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1.
Article in Chinese | WPRIM | ID: wpr-1019056

ABSTRACT

Objective To observe the effects of different virulence types of Helicobacter pylori on pepsin and inflammatory factors.Methods 110 patients admitted from December 2021 to March 2023 were collected and divided into HP positive group(n=79)and HP negative group(n=31)according to 13 carbon breath test results.The HP positive group was divided into type Ⅰ group(n=52),type Ⅱ group(n=11)and undetermined group(n=16)according to the Helicobacter pylori antibody typing.The HP negative group was selected and divided into blank control group(n=12).Gastric juice pH value,sodion(Na+),potassium(K+),chloridion(Cl-),IL-6,IL-8,gastrin 17(G-17),pepsinogen Ⅰ(PG Ⅰ)and pepsinogen Ⅱ(PG Ⅱ)were detected in all patients.Results Th-ere was no difference in pH,Na+,Cl-,K+ between Hp positive group and Hp negative group(P>0.05).The content of Cl-in HP-positive group was lower than that in HP-negative group(P<0.05).The levels of IL-6,IL-8,G-17,PG Ⅰ and PG Ⅱ in HP-positive group were significantly higher than those in HP-negative group(P<0.05).There was no significant difference in pH,Na+ and K+ between type Ⅰ group and type Ⅱ group,undetermined group and blank control group(P>0.05).The content of Cl-in type Ⅰ group and undetermined group was lower than that in blank control group(P<0.05).The levels of IL-6,IL-8 and PG Ⅰ in type I group were higher than those in type Ⅱ group,undetermined group and blank control group(P<0.05).There was a significant difference in PG Ⅱ between the blank control group and the other groups(P<0.05).There was no difference in G-17 content between type Ⅰ group and undetermined group(P>0.05).The level of G-17 in type I group was higher than that in type Ⅱ group and blank control group(P<0.05).Conclusion Type I Hp infection may cause gastric mucosal injury by increasing the expression of IL-6,IL-8 and G-17,and then lead to abnormal digestive function.

2.
Article in Chinese | WPRIM | ID: wpr-981652

ABSTRACT

OBJECTIVE@#To investigate the effectiveness of joystick technique assisted closed reduction and cannulated screw fixation in the treatment of femoral neck fracture.@*METHODS@#Seventy-four patients with fresh femoral neck fractures who met the selection criteria between April 2017 and December 2018 were selected and divided into observation group (36 cases with closed reduction assisted by joystick technique) and control group (38 cases with closed manual reduction). There was no significant difference in gender, age, fracture side, cause of injury, Garden classification, Pauwels classification, time from injury to operation, and complications (except for hypertension) between the two groups ( P>0.05). The operation time, intraoperative infusion volume, complications, and femoral neck shortening were recorded and compared between the two groups. Garden reduction index was used to evaluate the effect of fracture reduction, and score of fracture reduction (SFR) was designed and was used to evaluate the subtle reduction effect of joystick technique.@*RESULTS@#The operation was successfully completed in both groups. There was no significant difference in operation time and intraoperative infusion volume between the two groups ( P>0.05). All patients were followed up 17-38 months, with an average of 27.7 months. Two patients in the observation group received joint replacement due to failure of internal fixation during the follow-up, and the other patients had fracture healing. Within 1 week after operation, the Garden reduxtion index of the observation group was better than the control group; the SFR score of the observation group was also higher than that of the control group; the proportion of femoral neck shortening within 1 week after operation and at 1 year after operation in the observation group were lower than those in the control group. The differences of the above indexes between the two groups were significant ( P<0.05).@*CONCLUSION@#The joystick technique can improve the effectiveness of closed reduction of femoral neck fractures and reduce the incidence of femoral neck shortening. The designed SFR score can directly and objectively evaluate the reduction effect of femoral neck fracture.


Subject(s)
Humans , Treatment Outcome , Bone Screws , Femoral Neck Fractures/surgery , Plastic Surgery Procedures , Fracture Fixation, Internal/methods , Retrospective Studies
3.
Article in Chinese | WPRIM | ID: wpr-965523

ABSTRACT

Objective To establish the method for extracting exogenous short DNA fragments of Schistosoma japonicum from urine samples, and to evaluate the efficiency of this method for extraction from urine samples treated with various methods. Methods The S. japonicum SjG28 gene fragment was selected as a target sequence, and the 81 bp short DNA fragment was amplified on the target sequence using PCR assay. Following characterization using sequencing, the short DNA fragment was added into the urine samples as an exogenous short DNA fragment. Primers and probes were designed with SjG28 as a target gene, to establish the real-time fluorescent quantitative PCR (qPCR) assay. The sensitivity of this qPCR assay was evaluated with exogenous short DNA fragments that were diluted at a 1:10 dilution ratio as the DNA template, and the specificity of the qPCR assay was evaluated with the genomic DNA of S. mansoni, S. haematobium, Babesia, Ancyiostoma duodenaie, Cionorchis sinensis, and Paragonimus westermani as DNA templates. Exogenous short DNA fragments were added into artificial and healthy volunteers’ urine samples, followed by pH adjustment, centrifugation and concentration, and the efficiency of extracting exogenous short DNA fragments from urine samples was compared with the QIAmp Viral RNA Mini Kit (Qiagen kit) and BIOG cfDNA easy kit (BIOG kit). Results An 81 bp small DNA fragment of S. japonicum was successfully prepared, and the lowest detection limit of the established qPCR assay was 100 copies/μL of the 81 bp small DNA fragment of S. japonicum. If the genomic DNA of S. japonicum, S. mansoni, S. haematobium, Babesia, A. duodenaie, C. sinensis, and P. westermani served as DNA templates, the qPCR assay only detected fluorescent signals with S. japonicum genomic DNA as the DNA template. If the pH values of artificial urine samples were adjusted to 5, 6, 7 and 8, the recovery rates were (49.12 ± 2.09)%, (84.52 ± 4.96)%, (89.38 ± 3.32)% and (87.82 ± 3.90)% for extracting the exogenous short DNA fragment of S. japonicum with the Qiagen kit, and were (2.30 ± 0.07)%, (8.11% ± 0.26)%, (13.35 ± 0.61)% and (20.82 ± 0.68)% with the BIOG kit, respectively (t = 38.702, 26.955, 39.042 and 29.571; all P values < 0.01). If the Qiagen kit was used for extracting the exogenous short DNA fragment from artificial urine samples, the lowest recovery rate was seen from urine samples with a pH value of 5 (all P values < 0.05), and there were no significant differences in the recovery rate from urine samples with pH values of 6, 7 and 8 (all P values > 0.05). Following centrifugation of artificial [(64.30 ± 1.00)% vs. (58.87 ± 0.26)%; t = 12.033, P < 0.05] and healthy volunteers’ urine samples [(31 165 ± 1 017) copies/μL vs. (28 471 ± 818) copies/μL; t = 23.164, P < 0.05]. In addition, concentration of artificial urine samples with the 10 kDa Centrifugal Filter and concentration of healthy volunteers’ urine samples with the 100 kDa Centrifugal Filter were both effective to increase the recovery of the Qiagen kit for extracting the exogenous short DNA fragment of S. japonicum (both P values < 0.01). Conclusions A method for extracting exogenous short DNA fragments of S. japonicum from urine samples has been successfully established, and the Qiagen kit has a high extraction efficiency. Adjustment of urine pH to 6 to 8 and concentration of healthy volunteers’ urine samples with the 100 kDa Centrifugal Filter are both effective to increase the efficiency of extracting exogenous short DNA fragments of S. japonicum.

4.
Article in Chinese | WPRIM | ID: wpr-978427

ABSTRACT

Objective To determine the current status of occupational internal exposure to 131I in the thyroid of nuclear medicine workers, to explore the influencing factors for internal exposure, and to provide a basis for the radiation safety management of nuclear medicine. Methods The cluster sampling method was used to select 162 workers practicing 131I treatment in 24 hospitals in Hubei Province, China. Thyroid 131I activity levels were measured in vitro using a portable γ-spectrometer, and the committed effective dose was estimated. Results The thyroid 131I activity detected in 13 (54.17%) hospitals was above the lower limit of detection of the instrument. Two hospitals had the highest detection rates, 62.50% and 61.90%; the difference was significant compared with the remaining 11 hospitals (P < 0.0001). Thyroid 131I was detected in 34 workers in total, with a detection rate of 20.99% and a mean activity of 179.09 ± 138.71 (6.02-589.74) Bq. The highest detection rates were found in cleaners and nurses, which were 35.71% and 33.33%, respectively, with no significant difference in detection rate between positions (least P > 0.08). The mean value of the committed effective dose was 0.68 ± 0.52 (0.02-2.22) mSv/a in the 34 workers. Conclusion The 131I consumption and workplace ventilation may be important factors affecting the level of internal exposure. It is important to strengthen the training of nuclear medicine workers on radioprotection and workflow management, as well as the regular monitoring of occupational internal exposure for 131I treatment-related workers.

5.
Neuroscience Bulletin ; (6): 1577-1590, 2023.
Article in English | WPRIM | ID: wpr-1010636

ABSTRACT

Respiration protocols have been developed to manipulate mental states, including their use for therapeutic purposes. In this systematic review, we discuss evidence that respiration may play a fundamental role in coordinating neural activity, behavior, and emotion. The main findings are: (1) respiration affects the neural activity of a wide variety of regions in the brain; (2) respiration modulates different frequency ranges in the brain's dynamics; (3) different respiration protocols (spontaneous, hyperventilation, slow or resonance respiration) yield different neural and mental effects; and (4) the effects of respiration on the brain are related to concurrent modulation of biochemical (oxygen delivery, pH) and physiological (cerebral blood flow, heart rate variability) variables. We conclude that respiration may be an integral rhythm of the brain's neural activity. This provides an intimate connection of respiration with neuro-mental features like emotion. A respiratory-neuro-mental connection holds the promise for a brain-based therapeutic usage of respiration in mental disorders.


Subject(s)
Humans , Respiration , Brain , Hyperventilation , Heart Rate/physiology , Lung
6.
Chinese Journal of Immunology ; (12): 2613-2618,2623, 2023.
Article in Chinese | WPRIM | ID: wpr-1024697

ABSTRACT

Objective:To explore the mechanism of dendritic cells(DCs),novel regulatory B cells(B10 cells)and Th17/Treg imbalance in the pathogenesis of patients with chronic obstructive pulmonary disease(COPD)and their correlation with lung function.Methods:According to the"Guidelines for the Diagnosis and Treatment of Chronic Obstructive Pulmonary Disease"a total of 93 COPD patients were prospectively selected from the Ninth People's Hospital of Suzhou from May 2019 to December 2021,and 50 healthy subjects were selected as the control group.The patients were followed up for 1 year to observe the occurrence of acute exacer-bation COPD(AECOPD),and divided them into stable COPD group and AECOPD group.The course of disease,modified British Medical Research Society dyspnea index(mMRC)classification,COPD assessment test(CAT)score,BODE index score,6 min walking distance(6MWD),arterial partial pressure of oxygen(PaO2),arterial carbon dioxide Partial pressure(PaCO2)were com-pared between the two groups;compared the levels of FEV1,FVC,FEV1/FVC,and the percentage of FEV1 to predicted value(FEV1/Pred)in the three groups with peripheral blood DCs,B10 cells,Th17 cells,Treg cells and Th17/Treg,IL-12,IL-10,IL-17A and TGF-β1 levels.To analyze the correlation between peripheral blood DCs cells,B10 cells and Th17/Treg imbalance and pulmonary function indexes in AECOPD group.Logistic regression analysis of independent risk factors for AECOPD.Results:A total of COPD pa-tients had AECOPD events(40.86%).The course of disease,mMRC grade,CAT score,BODE index score,and PaCO2 in AECOPD group were significantly higher than those in COPD stable group(P<0.05),6MWD and PaO2 were significantly lower than those in COPD group.The levels of FEV1,FVC,FEV1/FVC and FEV1/Pred in the AECOPD group were significantly lower than those in the stable COPD group and control group(P<0.05);the levels of FEV1,FVC,FEV1/FVC and FEV1/Pred in the stable COPD group were significantly lower than those in control group(P<0.05).DCs,B10 cells and Treg cells in AECOPD group were significantly lower than those in stable COPD group and control group,while Th17 expression level and Th17/Treg were significantly higher than that in stable COPD group and control group(P<0.05).DCs,B10 cells and Treg cells in stable COPD phase were significantly lower than those in control group,while Th17 expression level and Th17/Treg were significantly higher than control group(P<0.05).The ex-pression levels of IL-12,IL-10 and TGF-β1 in the AECOPD group were significantly lower than those in the stable COPD group and control group(P<0.05),while IL-17A was significantly higher than that in the stable COPD group and control group.The expression levels of IL-12,IL-10 and TGF-β1 in patients with stable COPD were significantly lower than control group,while IL-17A was signifi-cantly higher than control group(P<0.05).Pearson analysis showed that peripheral blood DCs,B10 cells were positively correlated with FEV1,FVC,FEV1/FVC and FEV1/Pred levels(P<0.05),while Th17/Treg was positively correlated with FEV1,FVC,FEV1/FVC and FEV1/Pred levels all were negatively correlated(P<0.05).Logistic regression analysis found that mMRC grade and Th17/Treg were independent risk factors of AECOPD(P<0.05).Conclusion:With the progression of COPD,DCs,B10 cells,Th17 cells,Treg cells and Th17/Treg gradually become unbalanced,resulting in disordered expression levels of pro-inflammatory and anti-inflamma-tory factors.Peripheral blood DCs and B10 cells were positively correlated with lung function levels,while Th17/Treg were negatively correlated with lung function levels.mMRC grade and Th17/Treg are independent risk factors of AECOPD.Therefore,actively inter-vening in the imbalanced state of immune function in patients has specific and important clinical significance in reducing the immune damage of lung tissue and promoting the improvement of lung function.

7.
Article in Chinese | WPRIM | ID: wpr-989843

ABSTRACT

Objective:To investigate the effect of ulinastatin injection on left ventricular diastolic function and prognosis in patients with sepsis.Methods:A total of 100 patients with sepsis admitted to the Intensive Care Unit from January 2021 to March 2022 were selected. According to the random number table, they were randomly (random number) divided into the control group (conventional treatment) and experimental group (conventional treatment + ulinastatin injection). The baseline data on admission were compared between the two groups. The echocardiographic indexes [mitral peak velocity of early filling/early diastolic mitral annular velocity (E/e'), early diastolic mitral annular velocity (e'), mitral peak velocity of early filling/ mitral peak velocity of late filling (E/A), and tricuspid regurgitation rate (TRV)], myocardial damage-related and cardiac function-related indicators [troponin I (cTnI), N terminal pro B type natriuretic peptide (NTproBNP)] and inflammation-related indicators [C-reaction protein (CRP), procalcitonin (PCT), erythrocyte sedimentation rate (ESR)], length of ICU stay, duration of infection control, duration of vasoactive drug use and 28-day mortality were observed and compared between the two groups on admission and 7 days after treatment.Results:On the 7th day after treatment, the levels of e 'and E/A in the experimental group were significantly higher than those in the control group, and the levels of E/e', TRV, cTnI, NTproBNP, CRP and PCT were significantly decreased ( P<0.05). There were no significant differences in duration of infection control and duration of vasoactive drug use between the experimental group and the control group ( P<0.05), but the length of ICU stay was shorter and 28-day mortality was significantly lower in the experimental group than in the control group ( P<0.05). Conclusions:Ulinastatin can reduce the degree of inflammatory response, relieve myocardial injury, improve left ventricular diastolic function, and reduce the length of ICU stay and 28-day mortality in patients with sepsis.

8.
Article in Chinese | WPRIM | ID: wpr-990694

ABSTRACT

Patients with local advanced rectal cancer (LARC) can benefit from neoadju-vant chemoradiotherapy (nCRT) of reducing local recurrence rate and improving survival rate. However, tissue edema after nCRT may lead to unclear tissue spaces, making it challenging for lymph node dissection and nervous system protection. The difficulty in locating inferior margin of tumor after clinical complete remission or closing to clinical complete remission, as well as the increasing risk of anastomotic leakage after nCRT, pose difficulties and new challenges of total mesorectal excision for middle and low rectal cancer. Based on literatures and clinical experiences, the authors summarize the difficulties and strategies of total mesorectal excision after nCRT, in order to provide reference for colleagues.

9.
Article in Chinese | WPRIM | ID: wpr-958229

ABSTRACT

Objective:To study the correlation between type 2 innate lymphocyte (ILC2) and Treg/Th17 ratio in the peripheral blood of patients at different stages of Mycobacterium tuberculosis ( Mtb) infection. Methods:This study recruited 30 individuals with active tuberculosis (ATB group), 26 with treated tuberculosis (RTB group), 22 with latent tuberculosis infection (LTBI group) and 17 negative for tuberculin skin test (TST-negative group). Flow cytometry was used to detect the proportion of ILC2 in CD45 + cells, and that of Th17 and Treg cells in CD4 + T lymphocytes in the peripheral blood of patients in each group. Expression of Foxp3 and RORγt at mRNA level was detected by real-time fluorescence quantitative PCR. Pearson method was used to analyze the correlation between Th17 and Treg, and that between ILC2 and Treg/Th17 ratio in the peripheral blood of patients with ATB and RTB. Results:The proportions of ILC2 in RTB and ATB groups were significantly higher than those of LTBI and TST-negative groups, and the proportion of ILC2 in RTB group was significantly higher than that of ATB group ( P<0.05). The proportion of Th17 in RTB group was lower than that of ATB group ( P<0.05), and the proportions of Th17 in ATB and RTB groups were lower than those of LTBI and TST-negative groups. The proportion of Treg in RTB group was lower than that of ATB group ( P<0.05), and close to that of LTBI group and TST-negative group, but the Treg/Th17 ratios in ATB and RTB groups were higher than those of LTBI and TST-negative groups. There was no significant difference in Treg/Th17 ratio between ATB and RTB groups ( P>0.05). The expression of Foxp3 and RORγt at mRNA level and Foxp3/RORγt ratio changed accordingly. Meanwhile, there was no correlation between Th17 and Treg in ATB or RTB group ( r=0.023, P=0.444; r=0.428, P=0.150). There was a positive correlation between ILC2 and Treg/Th17 ratio in ATB group ( r=0.794, P=0.000), while no correlation was found between ILC2 and Treg/Th17 ratio in RTB group ( r=0.197, P=0.297). Conclusions:In this study, the proportion of ILC2 was increased in the peripheral blood of TB patients, and the proportion of ILC2 in RTB group was higher than that of ATB group. In RTB group, Th17 accounted for a low proportion in the peripheral blood and was involved in inflammatory reactions, while Tregs were not involved in inflammatory reactions, but might have a certain inhibitory effect in patients with ATB. Further studies found that Th17-involved inflammatory reactions were not regulated by Tregs. ILC2 was involved in Treg/Th17 imbalance in ATB patients, but not in RTB patients.

10.
Article in Chinese | WPRIM | ID: wpr-923437

ABSTRACT

@#Objective    To investigate the effectiveness and safety of robotic lobectomy in clinical N0 lung malignant tumor≥3 cm. Methods    We retrospectively analyzed the clinical data of 182 patients with lung malignant tumor≥3 cm receiving robotic or thoracoscopic lobectomy at Shanghai Chest Hospital in 2019. The patients were divided into a robotic surgery group (RATS group) and a thoracoscopic surgery group (VATS group). There were 39 males and 38 females with an average age of 60.55±8.59 years in the RATS group, and 51 males and 54 females with an average age of 61.58±9.30 years in the VATS group. A propensity score matching analysis was applied to compare the operative data between the two groups. Results    A total of 57 patients were included in each group after the propensity score matching analysis. Patients in the RATS group had more groups of N1 lymph node dissected (2.53±0.83 groups vs. 2.07±0.88 groups, P=0.005) in comparison with the VATS group. No statistical difference was found in operation time, blood loss, postoperative hospital stay, number of N1 and N2 lymph nodes dissected, groups of N2 lymph node dissected, lymph node upstage rate or postoperative complications. The hospitalization cost of RATS was higher than that of VATS (P<0.001). Conclusion    In contrast with thoracoscopic lobectomy, robotic lobectomy has similar operative safety, and a thorough N1 lymphadenectomy in patients with clinical N0 lung malignant tumor≥3 cm.

11.
Article in Chinese | WPRIM | ID: wpr-908423

ABSTRACT

Objective:To investigate the application value of different surgical approaches in the radical resection of Siewert type Ⅱ adenocarcinoma of esophagogastric junction (AEG).Methods:The retrospective cohort study was conducted. The clinicopathological data of 84 patients with Siewert Ⅱ AEG who were admitted to the Fourth Hospital of Hebei Medical University from March 2018 to March 2019 were collected. There were 65 males and 19 females, aged from 43 to 82 years, with a median age of 66 years. Of 84 patients, 24 cases undergoing radical resection of AEG via abdominal transhiatal approach (TH) were allocated into TH group, 32 cases undergoing radical resection of AEG via left thoracic approach (Sweet) were allocated into Sweet group, 28 cases undergoing radical resection of AEG via right thoracoabdominal approach (RTA) were allocated into RTA group. Observation indicators: (1) surgical and postoperative conditions of Siewert Ⅱ AEG patients in the 3 groups; (2) postoperative complications of Siewert Ⅱ AEG patients in the 3 groups. (3) Follow-up. Follow-up using outpatient examination and telephone interview was conducted to detect postoperative life quality, tumor recurrence and survival of patients up to March 2020. Measurement data with normal distribution were represented as Mean± SD, and comparison between groups was analyzed using the ANOVA. Measurement data with skewed distribution were represented as M (range), comparison among multiple groups was analyzed using the Kruskal-Wallis H test, and comparison between two groups was analyzed using the Dunn Bonferroni test. Count data were described as absolute numbers, and comparison between groups was analyzed using the chi-square test. Results:(1) Surgical and postoperative conditions of Siewert Ⅱ AEG patients in the 3 groups: the operation time for Siewert type Ⅱ AEG patients in TH group, Sweet group and RTA group were 216 minutes (range, 190-230 minutes), 174 minutes (range, 152-185 minutes) and 295 minutes (range, 261-337 minutes), respectively, showing a significant difference among the 3 groups ( H=57.977, P<0.05). There were significant differences between the TH group and the Sweet group, between the TH group and the RTA group, respectively ( P<0.05). There was also a significant difference between the Sweet group and the RTA group ( P<0.05). The volume of intraoperative blood loss for Siewert type Ⅱ AEG patients in TH group, Sweet group and RTA group were 150 mL (range, 100-163 mL), 150 mL (range, 150-200 mL) and 200 mL (range, 150-263 mL), respectively, showing a significant difference among the 3 groups ( H=11.097, P<0.05). There was no significant difference between the TH group and the Sweet group ( P>0.05). There were significant differences between the TH group and the RTA group, between the Sweet group and the RTA group, respectively ( P<0.05). The number of lymph node dissected for Siewert type Ⅱ AEG patients in TH group, Sweet group and RTA group were 15 (range, 9-19), 17 (range, 10-21) and 30 (range, 24-40), respectively, showing a significant difference among the 3 groups ( H=29.775, P<0.05). There was no significant difference between the TH group and the Sweet group ( P>0.05). There were significant differences between the TH group and the RTA group, between the Sweet group and the RTA group, respectively ( P<0.05). The number of thoracic lymph node dissected for Siewert type Ⅱ AEG patients in TH group, Sweet group and RTA group were 0, 2 (range, 1-3) and 6 (range, 3-9), respec-tively, showing a significant difference among the 3 groups ( H=48.140, P<0.05). There were significant differences between the TH group and the Sweet group, between the TH group and the RTA group, respectively ( P<0.05). There was also a significant difference between the Sweet group and the RTA group ( P<0.05). The number of abdominal lymph node dissected for Siewert type Ⅱ AEG patients in TH group, Sweet group and RTA group were 15 (range, 9-19), 12 (range, 8-19), and 24 (range, 17-35), respectively, showing a significant difference among the 3 groups ( H=18.149, P<0.05). There was no significant difference between the TH group and the Sweet group ( P>0.05). There were significant differences between the TH group and the RTA group, between the Sweet group and the RTA group, respectively ( P<0.05). The number of positive lymph node for Siewert type Ⅱ AEG patients in TH group, Sweet group and RTA group were 2 (range, 0-3), 0 (range, 0-3), and 5 (range, 1-6), respectively, showing a significant difference among the 3 groups ( H=7.729, P<0.05). There was no significant difference between the TH group and the Sweet group, between the TH group and the RTA group, respectively ( P>0.05). There was a significant difference between the Sweet group and the RTA group ( P<0.05). The time to postoperative first flatus of Siewert type Ⅱ AEG patients in TH group, Sweet group and RTA group were 3 days (range, 3-4 days), 3 days (range, 3-4 days), and 4 days (range, 3-5 days), respectively, showing no significant difference among the 3 groups ( H=3.125, P>0.05). The duration of postoperative hospital stay for Siewert type Ⅱ AEG patients in TH group, Sweet group and RTA group were 16 days (range, 14-17 days), 14 days (range, 12-15 days), and 19 days (range, 18-21 days), respectively, showing a significant difference among the 3 groups ( H=35.244, P<0.05). There was no significant difference between the TH group and the Sweet group ( P>0.05). There were significant differences between the TH group and the RTA group, between the Sweet group and the RTA group, respectively ( P<0.05). (2) Postoperative complications of Siewert Ⅱ AEG patients in the 3 groups: there were 6, 6, 11 Siewert type Ⅱ AEG patients of the TH group, Sweet group and RTA group with cardiopulmonary complication, respectively, 1, 1, 2 patients with anastomotic leakage and 1, 0, 1 patients with AEG-related death, showing no significant difference in the above indicators among the 3 groups ( χ2=3.263, 0.754, 1.595, P>0.05). (3) Follow-up: 78 of 84 Siewert type Ⅱ AEG patients were followed up for 9.0 to 24.0 months, with a median follow-up time of 16.6 months. Cases with reduced respiratory function at postoperative 3 months for the TH group, Sweet group and RTA group were 4, 3, 5, respectively. Cases with gastroesophageal reflux at postoperative 3 months for the 3 groups were 3, 6, 7, respectively. Cases with weight loss at post-operative 3 months for the 3 groups were 3, 2, 4, respectively. There was no significant difference in the above indicators among the 3 groups ( χ2=1.009, 1.107, 1.112, P>0.05). Cases tumor recurrence and metastasis in the TH group, Sweet group and RTA group were 5, 7, 4, cases who survived at postoperative 1 year in the 3 groups were 19, 24, 25, respectively. There was no significant difference in the above indicators among the 3 groups ( χ2=0.897, 1.261, P>0.05). Conclusion:RTA appiled in Siewert type Ⅱ AEG patients has a longer postoperative operation time, increased intra-operative blood loss and longer hospital stay, while has better advantages in lymph node dissection.

12.
Chinese Critical Care Medicine ; (12): 1003-1006, 2021.
Article in Chinese | WPRIM | ID: wpr-909443

ABSTRACT

Objective:To summarize critical cases of emergency helicopter transferring between hospitals and improve the quality and safety of critical care.Methods:The task records of Guangxi Aviation Medical Rescue Training Base from September 2017 to September 2020 were retrieved. The mission acceptance, implementation results, disease spectrum composition, pre-transfer preparation and medical intervention on board were summarized.Results:① General information: a total of 168 patients of helicopter transfer requests were registered, of which 36 patients were transferred, 35 patients were successful, 1 patient had cardiac arrest during the landing phase, and died several hours after continuous resuscitation. Of the 36 patients 30 were males and 6 were females, with median age of 50.5 (29.8, 66.0) years old, the average transfer time was (54.95±17.89) minutes, and the average transfer distance was (205.74±74.68) km. ② Disease spectrum included 11 cases of stroke (30.55%), 7 cases of trauma (19.45%), 5 cases of severe pneumonia (13.89%), 5 cases of heart and macro-vascular diseases (13.89%), 5 cases of abdominal emergency (13.89%), and 3 other conditions (8.33%).③ Severity: 31 patients (86.11%) were severe (≥15) according to acute physiology and chronic health evaluation Ⅱ (APACHEⅡ) score; 19 patients (52.78%) were high-risk emergency transport (≥6) according to Hamilton early warning score (HEWS); 6 patients (85.71% of trauma patients) were severe trauma (≥16) according to injury severity score (ISS). ④ Preparation before transfer: remote consultation was carried out to evaluate the latest state of the patient's condition, especially the respiratory and circulatory conditions. Relevant items were reviewed and emergency treatments were implemented when necessary. Targeted preparation was made for accidents that might occur during transfer, such as electrocardiogram (94.44%), blood gas analysis (94.44%), brain CT (36.11%) and other auxiliary examinations, endotracheal intubation or tracheotomy (72.22%), deep vein catheterization (91.67%), placement of gastric tube (86.11%) and urinary tube (88.89%), adjustment of sedative (38.89%), vasoactive drugs (58.33%) and drugs for dehydration and lowering intracranial pressure (33.33%), and fixation of fracture (11.11%), etc. ⑤ On-board medical intervention: cardiac monitoring, blood pressure, respiration and blood oxygen monitoring were carried out in all patients. The parameters of patients using ventilator were adjusted in time (66.67%). The dosage of patients using micropump was adjusted in time (91.67%). Other aspects included the use of sedative and analgesics (38.89%), sputum suction nursing (75.00%), all kinds of catheter nursing (endotracheal intubation/incision nursing of 72.22%, indwelling catheter nursing of 88.89%), and cardiopulmonary resuscitation for patient with cardiac arrest (2.78%).Conclusion:As the patients transferred by helicopter are mainly those of critically ill at this stage, the requirements for airborne medical equipment and rescue technology are high, and there is an urgent need to establish technical specifications and personnel training standards.

13.
Article in Chinese | WPRIM | ID: wpr-884684

ABSTRACT

Charcot Spinal Arthropathy (CSA) is a rare and progressive serious degenerative spinal disease. The clinical manifestations of CSA are concealed and atypical, which could lead to missed misdiagnosis, disease prognosis, and a huge burden on patients. However, there is no systematic review of CSA in China. The causes of CSA are mainly divided into spinal cord injury and non-injury neuropathy. The risk factors for CSA caused by spinal cord injury include long-segment fixation, scoliosis, laminectomy, overload spinal exercise and obesity. CSA usually occurs in the lower thoracic or lumbar spine. The symptoms of CSA include spinal deformity, unbalanced sitting posture and local pain. The CSA can be diagnosed after excluding non-specific chronic inflammation in histology and other inflammatory diseases or tumor based on the following items, damage to proprioception, pain and temperature perception, bone destruction, absorption and new bone formation on imaging. Conservative treatment can be considered for patients with CSA who have good stability without infections, stable nerve function, skin fistulas, balanced sitting posture, and autonomic dysfunction. Surgery is recommended for patients with symptoms lasting for more than 6 months with spinal instability, skin fistulas or complicated infections. Before surgery, it is recommended to evaluate the heterotopic ossification or rigidity of both hip joints. During operation, more attention should be paid to the adequate removal of necrotic tissue and inflammatory tissue in the lesion and sufficient bone grafting. Spinal fusion is recommended at the sacrum or pelvis. Postoperative complications include failure of internal fixation, new Charcot joint formation, difficulty in wound healing and infection. The authors emphasize that the overall thoracolumbar spine should be followed up for patients with spinal cord injury and paraplegia for the long-term. The typical symptoms of CSA are helpful for early diagnosis and selection of appropriate interventions.

14.
Article in Chinese | WPRIM | ID: wpr-885905

ABSTRACT

Objective:To systematically analyse the blood coagulation features of coronavirus disease 2019 (COVID-19) patients.Methods:An electronic search in PubMed, Scopus, Web of Science, EMbase, and CNKI to collect studies related to the blood coagulation features of COVID-19 patients from 1 January 2020 to 1 May 2020. Two reviewers independently screened literatures, extracted data and assessed the risk of bias of included studies. Then, the platelet count, D-dimer value, prothrombin time (PT), activated partial thromboplastin time (APTT) and fibrinogen of patients with different types of diseases were analyzed by using Stata12.0 software.Results:Thirty-nine retrospective studies involving 6 994 COVID-19 patients were included. The results of meta-analysis showed that:(1) compared with severe group, the platelet count (Weighted mean difference; WMD=20.11, 95% CI 11.53 to 28.69, P<0.001) and APTT (WMD=1.30, 95%CI 0.31 to 2.30, P=0.01) were found to be higher while D-dimer (WMD=-0.41, 95%CI-0.58 to-0.24, P<0.001), fibrinogen (WMD=-0.58, 95% CI-0.76 to-0.39, P<0.001) and PT (WMD=-0.51, 95%CI-0.92 to-0.10, P<0.001) were lower in mild group; the platelet count (WMD=-14.75, 95% CI-29.73 to-0.23, P=0.044) was found to be lower while D-dimer (WMD=1.06, 95% CI 0.65 to 1.47, P<0.001) was found to be higher in critical ill patients. (2)Compared with the survival group, the patients in death group displayed elevated levels of D-dimer (WMD=6.86, 95% CI 4.15 to 9.57, P<0.001) and PT (WMD=1.37, 95% CI 0.73 to 2.02, P<0.001) while platelet count (WMD=-36.40, 95% CI-63.23 to-9.58, P=0.008) remained low. Conclusion:Coagulation dysfunction was common in severe, critical ill and dead COVID-19 patients. Platelet count, D-dimer and PT levels were associated with the severity of the disease, and thus could be used as early warning indicators for the deterioration of the disease during hospitalization.

15.
Article in Chinese | WPRIM | ID: wpr-973715

ABSTRACT

Objective To apply InSpector 1000 portable γ spectrometer and its corresponding supporting software to the monitoring of thyroid 131I activity of radiation workers, and to estimate the internal radiation dose of medical staff in nuclear medicine department. Methods The spectrometer was calibrated and taken to participate in the 2018 thyroid radioactive iodine intercomparison program initiated by Lawrence Livermore National Laboratory in the United States to ensure the accuracy of the measurement; the spectrometer was used to measure 131I activity ofthe radiation workers of the nuclear medicine departments of two grade-A tertiary hospitals in Beijing and Jinan to verify the feasibility of the method. Results The InSpector 1000 portable γ spectrometer was qualified for international intercomparison. Measurement results from the grade-A tertiary hospital in Beijing showed that the thyroid 131I activity of each of 10 radiation workers was below the detection limit (33.30 Bq). Measurement results from the grade-A tertiary hospital in Jinan showed that the thyroid 131I activities of the 4 radiation workers were 64.05 Bq, 160.77 Bq, 416.67 Bq, below the detection limit (35.18 Bq) respectively, and of 3 of the 4 subjects 131I was detected in the thyroid, and their corresponding thyroid accumulative organ doses were 0.70 μSv, 1.77 μSv, and 4.58 μSv, respectively. Conclusion InSpector 1000 portable γ spectrometer has a strong feasibility for thyroid 131I monitoring of radiation workers in nuclear medicine. The spectrometer has a good application prospect in the field of radiation monitoring, and can play an important role in the field of radiation protection and nuclear emergency detection.

16.
Article in Chinese | WPRIM | ID: wpr-1004468

ABSTRACT

【Objective】 To investigate the availability and convenience of emergency blood transfusion in mainland China, and develop strategies for improvement. 【Methods】 The electronic questionnaire was self-made by the research team, and pushed to physicians and technicians related to emergency blood use and supply nationwide through the WeChat group of professional organizations such as the Chinese Medical Doctor Association′s Emergency Resuscitation and Disaster Medicine Professional Committee. The data was automatically aggregated by the internet survey platform named questionnaire star, and analyzed by statistics software SPSS 21.0. 【Results】 1) General information: A total of 3 151 questionnaires were collected, of which 85% (2 678 / 3 151), from 31 provinces, municipalities or autonomous regions in mainland China were valid, and 39%(1 044/2 678), 22%(577/2 678), 39%(1 057/2 678) were from the east, middle and west region, respectively; 78%(2 099/2 678) were from tertiary hospitals, and 22%(579/2 678) secondary hospitals and below; 60%(1 607/2 678), 16%(425/2 678), and 24%(646/2 678) were from Emergency Department(EM), Intensive Care Department (ICU) and other departments respectively. The respondents with senior position titles took up 34%(906/2 678) while those with intermediate and junior position titles took up 30% (798/2 678) and 36%(974/2 678) respectively. 2) Availability : 63%(1 680/2 678) of the respondents experienced untimely and insufficient blood supply at least once during June 2017 to May 2020, of which 75% (1 256/1 680) occurred in the past year. In the past half year, 51% (381/1 057) of respondents in the western region and 34% (713/2 099) in tertiary hospitals experienced more emergency blood shortages (P<0.05). The most prone to clinical blood supply shortage were red blood cells and whole blood, platelets and other plasma components, accounting for 43% (1151/2678), 42% (1125/2678) and 15% (402/2678), respectively. 48% (1 274/2 678) respondents believed that the insufficient blood supply for emergency use " has caused a significant adverse effect on the quality of rescue", and 40% (1 081/2 678) believed that it was " a potential medical safety threat" .3)Convenience: The waiting time for emergency blood transfusionwithin 0.5 h, 1 h and 2 h accounted for 28% (741/2 678), 71%(1 903/2 678) and 90% (2 547/2 678), respectively. The waiting time of emergency blood transfusion within 0.5 h accounted for 50% (286 / 577) in central region, which was significantly higher than that in eastern or western region (P < 0.05). 67% (889/2 678) of respondents experienced blood inventory depletion, of which 30%(792/2 678) had to wait for more than 8 hours for resuming blood supply. 80% (751/1 057) of the respondents in the western region experienced inventory depletion, significantly higher than that in the central region (P<0.05). 4)The influencing factors were mainly insufficient blood donation, growth of clinical demand in blood, blood waste due to expiration and clinical irrational use, accounted for 56% (1 485/2 678), 23% (619/2 678), 7% (183/2 678) and 6% (167/2 678) respectively. 60% (633/1 057) of the respondents in the western region considered insufficient blood donation as the influencing factors, statistically higher than that in the eastern and central regions (P<0.05).5)Suggestions for improvement included more voluntary blood donation, development of blood substitutes, standardization of clinical blood use and extension of blood storage shelf life, accounted for 49% (1 326/2 678), 24% (645/2 678), 19% (499/2 678), and 8% (208/2 678), respectively. 53% (561/1 057) of the respondents in the western region suggested strengthening voluntary blood donation (P<0.05), while 26% (268/1 044), 26% (152/577), 25% (553/2099) of respondents in the eastern, central region and tertiary hospitals respectively suggested strengthening the research and development of blood substitutes (P<0.05). 56% (504/906) of respondents with senior professional titles recommended strengthening voluntary blood donation, while 26% (453/1 772) and 0.9% (164/1 772) of those with intermediate and junior technical titles recommended research and development of blood substitutes and improvement of blood storage technology, respectively(P<0.05). 【Conclusion】 The whole blood reserve can not fully meet clinical emergency needs at present stage, especially in the western region and some tertiary hospitals,, showing the necessity to adopt comprehensive measures to further improve the availability and convenience of emergency blood transfusion, including strengthening voluntary blood donation, developing blood substitutes, prompting rational clinical blood use and improving blood storage technology.

17.
Article in Chinese | WPRIM | ID: wpr-811683

ABSTRACT

In December 2019, a new outbreak of coronavirus pneumonia began to occur. Its pathogen is 2019-nCoV, which has the characteristics of strong infectivity and general susceptibility. The current situation of prevention and control of new coronavirus pneumonia is severe. In this context, as front-line medical workers bearing important responsibilities and pressure, while through strict management strategy, we can minimize the risk of infection exposure. By summarizing the research progress and guidelines in recent years in the fields of colorectal cancer disease screening, treatment strategies(including early colorectal cancer, locally advanced colorectal cancer, obstructive colorectal cancer, metastatic colorectal cancer and the treatment of patients after neoadjuvant therapy), the choice of medication and time limit for adjuvant therapy, the protective measures for patients undergoing emergency surgery, the re-examination of postoperative patients and the protection of medical staff, etc., authors improve treatment strategies in order to provide more choices for patients to obtain the best treatment under the severe epidemic situation of new coronavirus pneumonia. Meanwhile we hope that it can also provide more timely treatment modeling schemes for colleagues.

18.
Article in Chinese | WPRIM | ID: wpr-869874

ABSTRACT

Twenty-three secondary and higher level hospitals in Nantong City were selected from June 3 to June 19, 2019, and the anesthesia safety and quality control surveys were conducted by using "Supervision and Evaluation Scale of Medical Quality Control Index System in a Department of Anesthesiology in Nantong City (2019 edition)" and "Special Supervision and Evaluation Scale of Perioperative Management and Information Construction in a Department of Anesthesiology in Nantong City (2019 edition)" . The results showed that the total score for medical quality control was 90.2±1.3, and the rate of reaching the standard was 87%.The department configuration score was (12.4±0.7), with the rate of reaching the standard 100%, 87% hospitals had anesthesia recovery rooms, but only 2 hospitals had anesthesia clinics.The staffing score was (15.50±0.23), with the rate of reaching the standard 74%, Nantong City had 0.67 anesthesiologists per 10 000 population, the ratio between the number of anesthesiologists and the number of operating rooms was (1.55±0.10), the ratio between the number of nurse anesthetists and the number of operating room was (0.30±0.04), and three hospitals even had no nurses in the department of anesthesiology.The department management and system score was (28.6±0.5), the rate of reaching the standard was 91%, and the operation safety verification system was not implemented in place in 87% hospitals.The medical technique score was (33.6±0.7), the rate of reaching the standard was 83%, and anesthesiology department was not equipped with anesthesia depth monitor, muscle relaxation monitor, body temperature monitor and other equipment in 35% hospitals.The perioperative management and information construction score was (40.2±1.7), the rate of reaching the standard was 48%, standardized post-operative ward round system was not carried out in 43% hospitals, and the surgical anesthesia information system was not used in 65% hospitals.In conclusion, the current status of anesthesia safety and quality control in secondary and higher level hospitals in Nantong City mainly manifests in the urgent need to improve the awareness of anesthesia safety and quality control, lack of doctors and nurses in a department of anesthesiology and lag of anesthesia information construction.

19.
Chinese Critical Care Medicine ; (12): 210-214, 2020.
Article in Chinese | WPRIM | ID: wpr-866797

ABSTRACT

Objective:To investigate the effects and mechanisms of low-dose hydrocortisone on myocardial injury in early septic shock rats.Methods:Seventy-two healthy male Sprague-Dawley (SD) rats were divided into Sham group, lipopolysaccharide (LPS) model group (LPS group) and low dose hydrocortisone intervention group (LD group) according to the random number table method, with 24 rats in each group. The rat model of septic shock was produced by intravenous injection of LPS at 20 mg/kg. Sham group was injected with an equal amount of physiological saline. The LD group was injected 5 mg/kg of hydrocortisone via right femoral vein after model establishment. Sham group and LPS group were injected with an equal amount of physiological saline. Blood pressure and heart rate (HR) of rats in each group were continuously monitored. In each group, 8 rats were sacrificed for arterial blood gas analysis at 0, 3 and 6 hours after model establishment, and the level of plasma N-terminal B-type brain natriuretic peptide precursor (NT-proBNP) was detected by enzyme linked immunosorbent assay (ELISA). The expressions of cleaved-caspase-3 and nuclear factor-κB p65 (NF-κB p65) were detected by Western Blot. Myocardial tissue was harvested 6 hours after model establishment, the histopathological changes were observed by hematoxylin eosin (HE) staining, and the apoptosis rate of myocardial cells was detected by terminal-deoxynucleoitidyl transferase mediated nick end labeling (TUNEL).Results:After LPS injection, mean arterial pressure (MAP) decreased significantly at 1 hour, then gradually increased, and was significantly higher than Sham group at 6 hours. There was no significant change in HR, and the difference was not statistically significant compared with Sham group. Blood lactic acid (Lac), base excess (BE), plasma NT-proBNP level, myocardial tissue caspase-3 and NF-κB p65 expression increased with the extension of time, all reach the peak in 6 hours, and significantly higher than Sham group. After early treatment with low-dose hydrocortisone in septic shock, MAP showed an increasing trend and Lac, BE decreased slowly. At 6 hours, MAP, Lac and BE were significantly lower than those in the LPS group [MAP (mmHg, 1 mmHg = 0.133 kPa): 98.6±7.5 vs. 106.1±8.5, Lac (mmol/L): 1.29±0.08 vs. 2.42±0.37, BE (mmol/L): 4.45±0.57 vs. 8.18±1.03, all P < 0.05]. The level of plasma NT-proBNP, and the expressions of caspase-3 and NF-κB p65 in myocardial tissue were significantly lower than those in LPS group at 3 hours and 6 hours after low-dose hydrocortisol treatment [NT-proBNP (ng/L): 2 740.56±97.31 vs. 4 425.60±743.32 at 3 hours, 2 638.81±205.12 vs. 4 993.01±373.78 at 6 hours; caspase-3/GAPDH: 0.567±0.045 vs. 0.841±0.162 at 3 hours, 0.496±0.071 vs. 1.116±0.172 at 6 hours; NF-κB p65/GAPDH: 0.852±0.734 vs. 1.232±0.115 at 3 hours, 0.783±0.047 vs. 1.383±0.215 at 6 hours, all P < 0.05]. HE staining results showed that myocardial cells in the LPS group were broken and inflammatory cells infiltrated. The myocardial histopathological changes in LD group were significantly less than those in LPS group. TUNEL staining showed that the apoptosis of myocardial cells in LPS group increased, and the apoptosis rate was significantly higher than that in Sham group [(82.41±1.57)% vs. (5.77±0.69)%, P < 0.05]. The apoptosis rate in LD group was significantly lower than that in LPS group [(27.82±1.77)% vs. (82.41±1.57)%, P < 0.05]. Conclusion:Low-dose hydrocortisone plays a protective role in the myocardial injury of early septic shock, and its mechanism may be related to the inhibition of caspase-3 and NF-κB p65 expression, the reduction of apoptosis rate and myocardial inhibition.

20.
Chinese Critical Care Medicine ; (12): 1241-1246, 2020.
Article in Chinese | WPRIM | ID: wpr-866998

ABSTRACT

Objective:To established the diagnostic criteria for venomous snakebite of Trimeresurus stejnegeri in Guangxi by ourselves, and explore the clinical effect and mechanism of covered vacuum sealing drainage (VSD) in the treatment for venomous snakebite of Trimeresurus stejnegeri in Guangxi.Methods:According to the Chinese emergency medicine for snakebite and the Chinese snake, the diagnostic criteria for venomous snakebite of Trimeresurus stejnegeri in Guangxi were formulated: ① the responsible venomous snake was identified as Trimeresurus stejnegeri in Guangxi; ② the appearance and morphology of the venomous snake described by the patient basically conformed to the characteristics of Trimeresurus stejnegeri in Guangxi;③ clinical manifestations of hematotoxin included local swelling, severe wound pain, and subcutaneous ecchymosis in some patients; having① or both ② and ③ could be diagnosed. The patients with venomous snakebite of Trimeresurus stejnegeri in Guangxi admitted to Snake Injury Treatment Base in Central and Northern Guangxi/Liuzhou Integrated Chinese and Western Medicine Snake Injury Treatment Center from January 2016 to January 2020 were enrolled. The patients were divided into the general treatment group and the covered VSD technology group, with 60 patients in each group. The general treatment group was treated with antivenom, anti-tetanus, closed injection around the wound, anti-inflammatory, magnesium sulfate gauze applied on the affected limb, symptomatic support treatment. The covered VSD technique was used in the covered VSD technology group based on the treatment options of the general treatment group. Treatment cycle of both groups were calculated from the next day of admission and lasted for 7 days. In the treatment cycle, blood was collected at 08:00 every day. The red blood cell count (RBC) and hemoglobin (Hb) were detected by automatic blood cell analyzer. The prothrombin time (PT), activated partial thromboplastin time (APTT) and fibrinogen (Fib) were detected by automatic blood coagulation analyzer, and the affected limb swelling degree and the appearance of subcutaneous ecchymosis were recorded. Results:At different time points in the treatment cycle, the dynamic change trends of PT, APTT and Fib in the covered VSD technology group and the general treatment group were significantly different. Fib in both groups decreased on the 1-4 days, and gradually rose on the 5th day, and the lowest Fib value in the covered VSD technology group on the 4th day was higher than that in the general treatment group (g/L: 0.70±0.03 vs. 0.41±0.01, P < 0.05). In the treatment cycle, PT of both groups increased in the early and middle stage, but decreased in the later stage. The peak value of PT of the covered VSD technology group on the 5th day was significantly lower than that of the general treatment group (s: 25.2±0.1 vs. 35.4±0.2, P < 0.05), and the PT of the covered VSD technology group returned to the normal range on the 7th day, while the PT of the general treatment group was still abnormal. APTT in both groups increased at the beginning of the treatment cycle and gradually decreased. The peak value of APTT of the covered VSD technology group on the 3th day was lower than that in the general treatment group (s: 47.3±0.1 vs. 55.7±0.2, P < 0.05), and the rate of increase and decline was also more gradual than that in the general treatment group. There was no significant difference in RBC or Hb between the two groups. With the passage of time, the degree of affected limb swelling was relieved to different degrees in both groups, and the remission degree in the covered VSD technology group was more obvious than that in the general treatment group, and there was significant difference between the two groups (χ 2 = 86.060, P = 0.000). The occurrence rate of subcutaneous ecchymosis in the covered VSD technology group was significantly lower than that in the general treatment group (13.3% vs. 40.0%, χ 2 = 10.909, P = 0.002). Conclusions:The application of covered VSD technology to the venomous snakebite of Trimeresurus stejnegeri in Guangxi does not aggravate the bleeding. It is beneficial to the reduction of the swelling of the affected limb, and also promotes the recovery of coagulation function, which can better control the occurrence of adverse events caused by coagulation dysfunction.

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