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Objective@#To examine the association of 24 hour movement behaviors with emotional and behavioral problems among left behind children, so as to provide a theoretical reference for the practice of 24 hour activity interventions to promote emotional and behavioral problems in this population.@*Methods@#From February to May 2023, 1 117 left behind children in grades 4-6 from 10 primary schools in five cities in Zhejiang Province were selected using a convenient cluster sampling method to conduct a questionnaire survey examining 24 hour movement behaviors, as well as emotional and behavioral problems. The general linear model was adopted to analyze the association between satisfying the 24 hour movement behavior guidelines, and emotional and behavioral problems among left behind children.@*Results@#The sleep duration compliance rate was the highest (52.19%), while the moderate-to-vigorous PA (MVPA) compliance rate was the lowest (17.73%). The compliance rate of the three activities accounted for 7.43 %. There was a dose response between the number of guidelines satisfied, and the emotional and behavior of left behind children; that was, satisfaction of a higher number of guidelines was associated with a lower risk of emotional and behavioral problems among left behind children (difficulty factor: β=-0.56, 95%CI =-1.23--0.19; strength factor: β=0.50, 95%CI =-0.48-1.22, P < 0.01). Compared to satisfying none of the guidelines, satisfying the guidelines for screen time ( β=-0.23, 95%CI =-2.18- -0.14 ) and sleep duration ( β=-0.13, 95%CI =-1.66--0.11) was negatively correlated with the difficulty factor, while satisfying the guideline for MVPA ( β=0.13, 95%CI =0.09-1.08) and sleep duration ( β=0.18, 95%CI =0.09-1.40) was positively associated with the strength factor. In addition, satisfying two or all three of the guidelines was more strongly associated with these outcomes than satisfying one of the recommendations ( P <0.01).@*Conclusions@#Meeting the 24 hour movement behavior guidelines can improve emotional and behavioral problems among left behind children. It is necessary to raise their awareness of the effect of satisfying the 24 hour movement behavior guidelines and formulate comprehensive intervention measures.
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Objective:To explore the correlation between time in range (TIR) after short-term treatment and glycated hemoglobin after 3 months (HbA lc-3m) in patients with newly-diagnosed type 2 diabetes mellitus (T2DM). Methods:In this cross-sectional study, a total of 94 patients with newly-diagnosed T2DM who received treatment in the Department of Endocrinology of Inner Mongolia Autonomous Region People′s Hospital were enrolled from January 2018 to September 2022. The patients were followed-up for 3 months and had complete medical record. TIR was divided into three groups according to different target ranges of blood glucose (TIR1: TIR with blood glucose between 3.9 and 10.0 mmol/L, TIR2: TIR with blood glucose between 3.9 and 7.8 mmol/L, TIR3: TIR with fasting, premeal or bedtime blood glucose <6.1 mmol/L and 2 h postprandial blood glucose <8.0 mmol/L). The patients were divided into two groups based on whether their HbA 1c-3m level was less than 6.5%, and the baseline data and variations in TIR for distinct target glucose levels were compared between the two groups. Spearman′s correlation analysis and binary logistic regression analysis were used to analyze the relationship between baseline indicators, TIR after short-term treatment and HbA 1c-3m. Receiver operating characteristic curve (ROC) was drawn to evaluate the predictive ability of different TIR after short-term therapy for HbA 1c-3m. Results:There were statistically significant differences in TIR1 [81.0 (67.5, 94.6)% vs 71.4 (51.7, 85.7)%], TIR2 [57.7 (29.7, 70.8)% vs 40.9 (22.4, 52.3)%] and TIR3 [23.8 (10.2, 39.5)% vs 13.0 (4.8, 25.0)%] between patients with a HbA 1c-3m<6.5% and patients with a HbA 1c-3m≥6.5% (all P<0.05). Spearman correlation analysis showed that among all the patients with newly-diagnosed T2DM, TIR1, TIR2 and TIR3 were all negatively correlated with HbA 1c-3m [6.4 (6.1, 6.9)%] ( r=-0.322, -0.348, -0.303, respectively, all P<0.01). Logistic regression analysis showed that after adjusting for the confounding factors, TIR1 ( OR=1.021, 95% CI: 1.002-1.041; P=0.034), TIR2 ( OR=1.024, 95% CI: 1.006-1.043; P=0.011), TIR3 ( OR=1.037, 95% CI: 1.010-1.065; P=0.008) were all independently related to HbA 1c-3m. When HbA lc-3m<6.5% was taken as the target value, the area under the ROC curve: TIR1 was 0.639 (95% CI: 0.528-0.751), TIR2 was 0.671 (95% CI: 0.560-0.782), TIR3 was 0.659 (95% CI: 0.549-0.770), respectively. When HbA lc-3m<7.0% was taken as the target value, the area under the ROC curve: TIR1 was 0. 730 (95% CI: 0.619-0.841), TIR2 was 0.744 (95% CI: 0.642-0.846), TIR3 was 0.701 (95% CI: 0.588-0.814). There was no significant difference in the area among the three statistics ( P>0.05). Conclusions:For newly-diagnosed T2DM patients, TIR after short-term treatment is negatively correlated with HbA 1c after 3 months and has good predictive value for it.
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Objective To investigate the status and the influencing factors of thyroid volume of children aged 8-10 years in Tianjin. Methods Among the 1-2 primary schools were randomly selected from 12 districts in Tianjin. A total of 1 090 children were selected by class cluster sampling method (half male and half female, with a balanced age distribution). A questionnaire survey was conducted. Children’s height, weight and thyroid volume were measured, and their salt iodine content and urinary iodine content were detected. Results I n this study, the median urinary iodine in children was 161.35 µg/L, the mean thyroid volume was 2.56 mL, and the goiter rate was 3.58%. Univariate analysis showed that age, BSA, salt iodine content, urinary iodine content, eating habits, food taste, eating lunch at school, father's work, anxiety and depression, pressure, and different regional grouping were the influencing factors of thyroid volume (P<0.05). Multivariate linear regression showed that BSA, age, food taste, and urinary iodine content had significant independent effects on thyroid volume (P<0.05). Conclusion In Tianjin, the iodine nutrition level of children aged 8-10 years is at an appropriate level. When evaluating the thyroid volume of children, in addition to age factors, other factors such as physical development level and iodine intake should also be considered.
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BACKGROUND:In recent years,metal-organic frameworks have been widely used in the biomedical field because of their unique properties,and metal-organic frameworks can be applied to implant surface modification for improving their biological properties and the surgery's success rate. OBJECTIVE:To introduce metal-organic frameworks commonly used in implant surface modification and the preparation and action mechanism of surgical implants modified by metal-organic frameworks. METHODS:The articles concerning metal-organic frameworks used in implant surface modification published from 2010 to 2023 were searched on PubMed,Web of Science and CNKI.Finally,64 articles were included for review. RESULTS AND CONCLUSION:(1)Metal-organic frameworks have the properties of high porosity,large specific surface area,and diverse spatial structure.As bioactive material,metal-organic frameworks have attracted much attention in tissue engineering and regenerative medicine.(2)The metal-organic frameworks commonly used in the field of implant surface modification include three types.Zeolitic imidazolate frameworks are commonly used as carriers,carrying various drugs and biomolecules.The MIL series are suitable for drug carriers and nanoenzymes.Bio-metal-organic frameworks have many applications because of their diverse structure and are characterized by excellent biosafety.(3)The preparation of implant materials modified by metal-organic frameworks can be mainly divided into two types:one is to incorporate metal-organic frameworks into pretreated implants;the other is to synthesize metal-organic frameworks in situ on pretreated implants.(4)Metal-organic frameworks on the implant surface could release their components,load drugs,catalyze active reactions,or combine with other materials,giving implants antibacterial and anti-inflammatory characteristics and promoting osseointegration.The preparation method of metal-organic framework coatings needs further improvement,and the metabolism and distribution of metal-organic framework coatings should be deeply explored,and its clinical application should be actively promoted.
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Objective:To investigate the influencing factors for early tumor recurrence and the efficacy of adjuvant chemotherapy in gallbladder carcinoma (GBC) patients after curative-intent resection.Methods:The retrospective case-control study was conducted. The clinicopathological data of 506 patients with GBC in 11 medical centers, including The First Affiliated Hospital of Xi'an Jiaotong University et al, from January 2016 to December 2020 were collected. There were 168 males and 338 females, aged (62±11)years. All patients underwent curative-intent resection of GBC, and they were divided into patients with and without early recurrence based on time to postoperative recurrence. Observation indicators: (1) treatment; (2) follow-up and survival of patients; (3) analysis of influencing factors for early tumor recurrence after curative-intent resection of GBC; (4) efficacy of postoperative adjuvant chemotherapy. Measurement data with normal distribution were represented as Mean± SD, and measurement data with skewed distribution were represented as M(range). Count data were described as absolute numbers, and comparison between groups was conducted using the chi-square test. Comparison of ordinal data was conducted using the Mann-Whitney U test. Univariate analysis was conducted using the corresponding statistical methods based on data type. Multivariate analysis was conducted using the Logistic regression model with forward method. The Kaplan-Meier method was used to draw survival curve and calculate survival rate, and Log-Rank test was used for survival analysis. Results:(1) Treatment. Of 506 patients, there were 112 cases with postoperative adjuvant chemotherapy, and 394 cases without postopera-tive adjuvant chemotherapy. They underwent 5(range, 3-9)cycles of postoperative adjuvant chemo-therapy. (2) Follow-up and survival of patients. All 506 patients underwent postoperative follow-up, with the follow-up time of 55(range, 34-93)months. During the follow-up, there were 248 patients with tumor recurrence, including 158 cases of early recurrence and 90 cases of late recurrence, and there were 258 patients without tumor recurrence. Of 506 patients, 275 cases survived, and 231 cases died of multiple organ failure caused by tumor recurrence and metastasis. The postoperative recurr-ence-free survival time, overall survival time were 52(range,1-93)months, 62(range, 2-93)months. The 1-, 3-, 5-year disease-free survival rates and 1-, 3-, 5-year overall survival rates of the 506 pati-ents were 68.8%, 53.8%, 47.9% and 78.3%, 58.7%, 51.6%, respectively. Results of survival analysis showed that the median overall survival time of 158 patients with postoperative early recurrence and 348 patients without postoperative early recurrence (including 90 cases of late recurrence and 258 cases of no tumor recurrence) were 9(range, 2-73)months and unreached, showing a significant difference between them ( χ2=456.15, P<0.05). (3) Analysis of influencing factors for early tumor recurrence after curative-intent resection of GBC. Results of multivariate analysis showed that carcinoembryonic antigen (CEA) >5.0 μg/L, poorly differentiated tumor, liver invasion, and tumor N staging as stage N1-N2 were independent risk factors influencing early tumor recurrence after cura-tive-intent resection of GBC ( odds ratio=2.74, 6.20, 1.81, 2.93, 4.82, 95% confidence interval as 1.62-4.64, 1.82-21.12, 1.15-3.08, 1.68-5.09, 1.91-12.18, P<0.05), while postoperative adjuvant chemo-therapy was an independent protect factor ( odds ratio=0.39, 95% confidence interval as 0.21-0.71, P<0.05). (4) Efficacy of postoperative adjuvant chemotherapy. The median overall survival time of 394 patients without postoperative adjuvant chemotherapy and 112 patients with postoperative adjuvant chemotherapy were 57(range, 2-93)months and unreached, showing a significant differ-ence between them ( χ2=9.38, P<0.05). Of the 158 patients with postoperative early recurrence after curative-intent resection of GBC, 135 cases didn't receive adjuvant chemotherapy and 23 cases received adjuvant chemotherapy, with the overall survival time of 8(range, 2-73)months and 17(range, 8-61)months, respectively, showing a significant difference between them ( χ2=7.68, P<0.05). Conclusions:CEA >5.0 μg/L, poorly differentiated tumor, liver invasion, and tumor N staging as stage N1-N2 are independent risk factors influencing early tumor recurrence after curative-intent resection of GBC, while postoperative adjuvant chemotherapy is an independent protect factor. Postoperative adjuvant chemotherapy can prolong the overall survival time of patients with post-operative tumor early recurrence.
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OBJECTIVE There are serious hazards in depression,and the precise mechanism underlying the delayed onset of clinical antidepressants remains unclear.The purpose of this study was to investigate the regular pattern of the speed-limiting role of excitation/inhibition(E/I)function balance in the mechanism of antidepressant action.METHODS Based on the previous study,we focused on glutamatergic pyramidal neurons in the medial prefrontal cortex(mPFC)here and used its excitability to represent the establishment of a new E/I functional balance.We studied the changes in the firing activity of glutamatergic pyramidal neuron in the mPFC at different administration times for five types of antidepressants that act on different pharmacological targets and different onset times,including fluoxetine(SSRI),duloxetine(SNRI),vilazodone[serotonin 1A receptor(5-HT1A)ago-nist and SSRI],ketamine[N-methyl-D-aspartate(NMDA)receptor antagonist],and hypidone hydrochloride(YL-0919,new antidepressant with sigma-1 receptor ago-nist and SSRI).We first examined the initial onset time of activation of pyramidal neurons using multichannel elec-trophysiological recordings and tested the antidepressant behavioral effects using the FST.We then selected three antidepressants(fluoxetine,ketamine,and vilazodone)to explore its effects on the BDNF-mTOR pathway by West-ern blotting.In addition,we disrupted the E/I function bal-ance using chemogenetics to investigate the antidepres-sant-like effects of YL-0919 and ketamine in the FST and TST.RESULTS We found that treatment with fluoxetine for 17 days significantly increased the firing activity of pyramidal neurons and decreased the immobility duration in the FST.Similarly,it took duloxetine for 10 d,vilazodone for 4 d,YL-0919 for 3 d and ketamine for 24 h,to exert such effects.Meanwhile,Western blotting results sug-gested that the expression of BDNF and phosphorylation of mTOR in the mPFC significantly increased.How-ever,haloperidol,a classic antipsychotic(without antide-pressant effects),exerted no such effects on the firing activities of pyramidal neurons.In addition,disrupting the E/I function balance(via activating the GABA neurons and inhibiting the glutamate neurons)blocks out the antidepressant-like effects of YL-0919 and ketamine in the FST and TST.CONCLUSION Taken together,our findings suggest that the commencement of antide-pressant effects may be accompanied by the increase in the firing activity of pyramidal neurons and the activation of the BDNF-mTOR pathway,which may be a necessary and rate-limiting process.The re-establishment of the E/I balance may be a landmark event for the onset of antide-pressant effects.
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Objective:To explore the effect of applying standardized patient teaching based on Calgary-Cambridge communication model in nurse patient communication training for junior college interns, and to enrich the teaching methods of nurse patient communication training in domestic medical institutions.Methods:This study was a quasi-experimental study. In July 2022, 78 students were selected from 335 junior college interns in the First Affiliated Hospital of Shandong First Medical University by random coding method, and were randomly divided into the experimental group (39 students) and the control group (39 students) by lot. The control group received routine training. The experimental group received standardized patient teaching based on Calgary Cambridge communication model: teaching the key points of communication, guiding demonstration based on Calgary Cambridge communication model, and guiding reflection and exploration. The nurse patient communication ability, nurse patient communication practice skills, communication self-efficacy, and teaching satisfaction of the two groups of interns were compared between the two groups after 8 weeks of training.Results:After training, the total score of nurse patient communication ability evaluation in the experimental group was (91.41 ± 5.35) points, higher than that in the control group (88.08 ± 7.40) points, there was significant difference ( t=2.24, P<0.05); after training, the communication self-efficacy score of the experimental group was (30.21 ± 4.28) points, higher than that of the control group (27.94 ± 5.09) points, there was significant difference ( t=2.09, P<0.05); the total score of communication practice skills in the experimental group was (173.59 ± 18.48) points, higher than that in the control group (158.44 ± 15.57) points, there was significant difference ( t=3.82, P<0.05); the total score of communication teaching and training satisfaction in the experimental group was (16.77 ± 2.94) points, higher than that in the control group (15.22 ± 1.90) points, and there was significant difference ( t=2.68, P<0.05). Conclusions:The standardized patient teaching based on Calgary Cambridge communication model can effectively improve the practical skills of nurse patient communication of junior college interns, and promote the improvement of their nurse patient communication self-efficacy, which is conducive to the improvement of nurse patient communication ability junior college intern.
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Hepatolithiasis is a common biliary disease in China. Surgical treatment principles of hepatolithiasis include "removing lesions, cleaning stones, correcting strictures, recovering the drainage and preventing the recurrence". Laparoscopic techniques have been increasingly applied in surgical treatment of hepatolithiasis recently. Right posterior bile duct is a predilection site of hepatolithiasis. Due to its unique anatomy, right posterior lobectomy, right posterior bile duct lithotomy and plasty remain challenging under laparoscopy. Based on relevant literatures and clinical experiences, the authors explore the strategy of laparoscopic treatment right posterior bile duct hepatolithiasis, aiming to provide reference for surgical colleagues.
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Objective:To investigate the influencing factors of textbook outcomes in liver surgery (TOLS) after radical resection of gallbladder carcinoma.Methods:The retrospective case-control study was conducted. The clinicopathological data of 530 patients who underwent radical resection of gallbladder carcinoma in 15 medical centers, including the First Affiliated Hospital of Army Medical University et al, from January 2014 to January 2020 were collected. There were 209 males and 321 females, aged (61±10)years. Patients underwent radical resection of gallbladder carcinoma, including cholecystectomy, hepatectomy, invasive bile duct resection, and lymph node dissection. Observation indicators: (1) situations of TOLS; (2) influencing factors of TOLS. Measure-ment data with normal distribution were represented as Mean± SD, and comparison between groups was conducted using the independent sample t test. Measurement data with skewed distribution were represented as M( Q1, Q3), and comparison between groups was conducted using the Mann-Whitney U test. Count data were described as absolute numbers or percentages, and comparison between groups was conducted using the chi-square test. Comparison of ordinal data between groups was conducted using the Mann-Whitney U test. The univariate analysis was conducted using the corresponding statistical methods based on data type, and variables with P<0.10 were included in multivariate analysis. Multivariate analysis was conducted using the Logistic stepwise regression model. Results:(1) Situations of TOLS. All 530 patients underwent radical resection of gallbladder carcinoma, and there were 498 cases achieving R 0 resection, 508 cases without ≥grade 2 intra-operative adverse events, 456 cases without postoperative grade B and grade C biliary leakage, 513 cases without postoperative grade B and grade C liver failure, 395 cases without severe com-plications within postoperative 90 days, 501 cases did not being re-admission caused by severe com-plications within postoperative 90 days. Of the 530 patients, 54.53%(289/530) of patients achieved postoperative TOLS, while 45.47%(241/530) of patients did not achieve postoperative TOLS. (2) Influencing factors of TOLS. Results of multivariate analysis showed that American Society of Anesthesiologists classification >grade Ⅱ, preoperative jaundice, T staging as T3?T4 stage, N staging as N2 stage, liver resection as right hemi-hepatectomy, and neoadjuvant therapy were independent factors influencing TOLS in patients undergoing radical resection of gallbladder carcinoma ( odds ratio=2.65, 1.87, 5.67, 5.65, 2.55, 3.34, 95% confidence interval as 1.22?5.72, 1.18?2.95, 2.51?12.82, 2.83?11.27, 1.41?4.63, 1.88?5.92, P<0.05). Conclusion:American Society of Anesthesiologists classification >grade Ⅱ, preoperative jaundice, T staging as T3?T4 stage, N staging as N2 stage, liver resection as right hemi-hepatectomy, and neoadjuvant therapy are independent factors influencing TOLS in patients undergoing radical resection of gallbladder carcinoma.
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BACKGROUND@#Posttraumatic stress disorder (PTSD) and depression are highly comorbid. Psilocybin exerts substantial therapeutic effects on depression by promoting neuroplasticity. Fear extinction is a key process in the mechanism of first-line exposure-based therapies for PTSD. We hypothesized that psilocybin would facilitate fear extinction by promoting hippocampal neuroplasticity.@*METHODS@#First, we assessed the effects of psilocybin on percentage of freezing time in an auditory cued fear conditioning (FC) and fear extinction paradigm in mice. Psilocybin was administered 30 min before extinction training. Fear extinction testing was performed on the first day; fear extinction retrieval and fear renewal were tested on the sixth and seventh days, respectively. Furthermore, we verified the effect of psilocybin on hippocampal neuroplasticity using Golgi staining for the dendritic complexity and spine density, Western blotting for the protein levels of brain derived neurotrophic factor (BDNF) and mechanistic target of rapamycin (mTOR), and immunofluorescence staining for the numbers of doublecortin (DCX)- and bromodeoxyuridine (BrdU)-positive cells.@*RESULTS@#A single dose of psilocybin (2.5 mg/kg, i.p.) reduced the increase in the percentage of freezing time induced by FC at 24 h, 6th day and 7th day after administration. In terms of structural neuroplasticity, psilocybin rescued the decrease in hippocampal dendritic complexity and spine density induced by FC; in terms of neuroplasticity related proteins, psilocybin rescued the decrease in the protein levels of hippocampal BDNF and mTOR induced by FC; in terms of neurogenesis, psilocybin rescued the decrease in the numbers of DCX- and BrdU-positive cells in the hippocampal dentate gyrus induced by FC.@*CONCLUSIONS@#A single dose of psilocybin facilitated rapid and sustained fear extinction; this effect might be partially mediated by the promotion of hippocampal neuroplasticity. This study indicates that psilocybin may be a useful adjunct to exposure-based therapies for PTSD and other mental disorders characterized by failure of fear extinction.
Тема - темы
Humans , Mice , Animals , Psilocybin/metabolism , Fear , Extinction, Psychological , Brain-Derived Neurotrophic Factor/metabolism , Bromodeoxyuridine/pharmacology , Hippocampus/metabolism , Neuronal Plasticity , TOR Serine-Threonine Kinases/metabolismРеферат
Objective:To investigate the effects of preserving a large subfibular bone and ligament reinforcement to treat chronic ankle instability in children.Methods:A retrospective study was conducted to analyze the clinical data of qualified 43 children with chronic ankle instability and a large subfibular bone (the maximum diameter greater than 8 mm) who had been treated at Children's Osteopathy Hospital, Honghui Hospital, Xi'an Jiaotong University from May 2019 to February 2022. There were 29 boys and 14 girls with an age of (9.5±1.2) years. According to treatment methods, they were divided into group A (19 cases) where the subfibular bone was excised and the ligaments were reinforced and group B (24 cases) where the subfibular bone was preserved and the ligaments were reinforced. The talar anterior displacement and talar inclination angle at preoperation and immediate postoperation, and the ankle-hindfoot score of American Orthopaedic Foot and Ankle Society (AOFAS) and visual analogue scale (VAS) at preoperation and the last follow-up were recorded in both groups to make comparisons between the 2 groups and between preoperation and postoperation. Wound healing and complications were also recorded.Results:There was no significant difference in the preoperative general data between the 2 groups, showing comparability ( P>0.05). All patients were followed up for (11.6±5.8) months. In all patients, the talar anterior displacement and talar inclination angle at immediate postoperation were significantly improved compared with the preoperation, and the ankle-hindfoot AOFAS score and VAS at the last follow-up also significantly improved compared with the preoperation ( P<0.05). The talar anterior displacement at immediate postoperation in group B [5.0 (4.3, 5.0) mm] was significantly shorter than that in group A [6.0 (5.0, 6.0) mm] ( P=0.013). There were no significant differences between the 2 groups in the talar inclination angle at immediate postoperation, or in the ankle-hindfoot AOFAS score or VAS at the last follow-up ( P>0.05). Postoperative incision healing was good in all patients. Probably due to intraoperative pulling up of the incision, superficial peroneal nerve numbness occurred in 1 case but recovered spontaneously. The subfibula bones in group B healed within 1 year. Conclusion:For chronic ankle instability in children with a large subfibular bone, preservation of the subfibular bone and ligament reinforcement can better restore the ankle anteroposterior stability.
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Objective:To understand the needs of mothers with gestational diabetes mellitus(GDM) for nurturing care for 0-3 years old offspring, so as to provide reference for constructing gestational diabetes mothers′ foster care framework.Methods:Purposive sampling method was used to select 10 GDM mothers from January to August 2021 in the outpatient department of children′s health care, the First Affiliated Hospital of Shandong First Medical University. Using phenomenological research methods semi-structured interviews were used to collect data, and Colaizzi content analysis was used to analyze the data.Results:The nursing needs of GDM mothers can be divided into 4 themes: disease risk guidance needs, professional care guidance needs, accessible child care service needs and emotional and psychological support needs.Conclusions:It is great important to pay attention to the care needs of GDM mothers for their 0-3 years old offspring. At the same time, Understanding the care needs of GDM mothers can promote the physical and mental health of offspring of gestational diabetes mothers, provide them with professional and personalized care guidance and services. Effectively improve the nurturing and caring ability of GDM mothers, so as to better promote the health of infants and young children.
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Abdominal hernia repair is a challenging surgery with high complication rate and recurrence rate, especially in potentially contaminated or contaminated abdominal wall hernias. The application of hernia mesh has significantly reduced the recurrence rate. However, different types of meshes have their own advantages and disadvantages. There are still controversies regarding the selection of mesh in the environment of potential contaminated and contaminated abdominal hernia repair. The biological mesh, which was once considered that have anti-infection advantages and was widely used, has not been found to reduce the infection rate in recent studies, but instead leads to a higher recurrence rate and expensive medical costs. On the contrary, synthetic mesh represented by monofilament and large mesh polypropylene mesh have achieved good results in potentially contaminated or contaminated hernia repairs recently. The emergence of new types of meshes such as absorbable synthetic mesh may be a better choice for potentially contaminated or contaminated abdominal hernia repair. This article reviews the application progress of mesh in the environment of potential contaminated and contaminated abdominal hernia repair, aiming to provide reliable evidence for the selection of mesh for these patients.
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Since the development of tension-free hernia repair, the choice of mesh type and fixation mode has become a problem that surgeons must consider in operation. The selection of appropriate mesh fixation mode is of great significance to the prognosis of patients. In recent years, with the development of laparoscopic technology and hernia repair materials, new mesh types and mesh fixation techniques have been popularized in clinical practice, tack fixation and suture fixation have been less used in trans-abdominal preperitoneal hernia repair, and medical glue and self-gripping mesh have become the mainstream choice. Some scholars believe that in addition to large direct hernia, vacuum suction fixation is also a safe and effective fixation method. The best method of mesh fixation is still controversial, and the choice of intraoperative fixation methods is also to reach a unified standard. This paper reviews the advantages and disadvantages of different mesh fixation methods in trans-abdominal preperitoneal hernia repair, as well as the selection of intraoperative fixation methods, in order to provide basis for clinicians' intraoperative selection.
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Inguinal hernia is one of the most common diseases in general surgery. Surgery is the only treatment. In recent years, with the emergence and popularization of tension-free hernia repair, the recurrence rate has been lower than before. Chronic Postoperative Inguinal Pain (CPIP) has gradually become the focus of research. CPIP has now become one of the important efficacy indicators for inguinal hernia surgery. The etiology of CPIP is more complicated, mainly including neuropathic pain, non-neuropathic pain, somatic pain and visceral pain. Female, young, obese, low pain control, preoperative anxiety, preoperative pain, high pain sensitivity and other patient factors, and experience of the surgeon, open hernia repair, weight patch, patch fixation, surgery Surgical factors such as post-acute pain are risk factors for CPIP. CPIP is not only a product of neuropathic and nociceptive pain, but is also affected by various factors such as psychology, emotion, cognition, and genetics. Therefore, detailed medical history, physical examination, and correct pain and quality of life assessment tools are essential for the diagnosis of CPIP is very necessary. The treatment of CPIP should follow certain steps. The first choice is anticipatory treatment, drug treatment, psychological and behavioral treatment, physical therapy and other conservative treatments and interventional treatments, If the pain relief is not obvious after 6 months to 1 year by the above methods, surgical treatment is considered. So far, preventive analgesia and standardized surgery are the most important means to improve the prognosis of patients.
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Enhanced recovery after surgery (ERAS) is a systematic approach to care that optimizes perioperative management, improves clinical outcomes, and reduces healthcare costs. ERAS has been introduced into abdominal hernia repair in recent years. Preoperative management was optimized through health education, smoking cessation, weight control, blood glucose and pain management, infection and thrombosis prophylaxis. And prevention of hypothermia, standardized anesthesia management, fluid replacement control, minimally invasive operation, controlled catheter placement and other intraoperative management optimization measures. And multi-mode analgesia, early postoperative activity, recovery of gastrointestinal function and control of blood glucose and other postoperative management optimization measures effectively reduced the incidence of complications such as surgical site infection, alleviated the pain of patients, and shortened the hospital stay. ERAS factors such as perioperative pain management, early postoperative activity, and recovery of gastrointestinal function are the key to shorten hospital stay and improve prognosis during abdominal wall hernia repair. ERAS can be used safely and effectively for abdominal hernia repair.
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Hypothermia can have adverse effects on various systems of trauma patients, and significantly increase the mortality. All of the current rewarming equipments are contact rewarming equipment, which have the shortcomings of single function and poor effect. The medical staff of the First People's Hospital of Chenzhou designed a multi-functional infrared heating medical rewarming equipment, and obtained the National Utility Model Patent of China (ZL 2018 2 1705172.9). By integrating the infrared heating lamp tube and the air heating device and controlling them independently, the equipment can not only treat the wound by infrared alone, but also keep the wound warm by using the air heating function at low room temperature. In addition, it can also warm the patients with hypothermia separately. The device's dual functions of promoting wound healing and rewarming by infrared therapy and wind-heating are accurate. It is easy to operate with good controllability, and contributes to individualized precision treatment, which is worthy of transformation and promotion.
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Objective:To investigate mechanisms underlying the signal crosstalk of VEGF-IL-6-STAT3 between cutaneous melanoma cells and vascular endothelial cells.Methods:EC-304 vascular endothelial cells were divided into 3 groups: control group cultured in conventional endothelial cell-conditioned medium, vascular endothelial growth factor (VEGF) group cultured in endothelial cell-conditioned medium containing 50 μg/L VEGF 165, A375 co-culture group co-cultured with a melanoma cell line A375. After 24-, 48- and 72-hour treatment, the culture medium was collected, and enzyme-linked immunosorbent assay was performed to detect the level of interleukin-6 (IL-6) . Cultured A375 cells were divided into 4 groups: control group receiving conventional culture in Dulbecco′s modified Eagle′s medium (DMEM) , A375+ EC-304 group co-cultured with EC-304 cells, A375+ EC-304+ IL-6 group co-cultured with EC-304 cells in DMEM containing 50 μg/L IL-6 (an agonist of the signal transducer and activator of transcription-3 [STAT3] pathway) , A375+ EC-304+ JSI-124 group co-cultured with EC-304 cells in DMEM containing 1 μmol/L JSI-124 (a STAT3 pathway inhibitor) . After 24-, 48- and 72-hour treatment, cells were collected, and Western blot analysis, cell counting kit-8 (CCK8) assay and Transwell invasion assay were performed to determine the protein expression of STAT3 and phosphorylated (p) -STAT3, cellular proliferative activity and invasive activity, respectively. Two-way analysis of variance and t test were used for statistical analysis. Results:The level of IL-6 significantly increased in the culture medium of EC-304 cells in the VEGF group and A375 co-culture group compared with the control group ( FVEGF = 29.63, P < 0.001; FA375 = 11.09, P = 0.020) . Compared with the control group, the A375+ EC-304 group showed significantly enhanced protein expression of p-STAT3 in A375 cells ( P < 0.001) , increased cell activity ( P < 0.001) , and increased number of invasive cells (152.66 ± 16.04 vs. 86.13 ± 7.24, t= 4.43, P < 0.001) ; compared with the A375+ EC-304 group, the A375+ EC-304+ IL-6 group showed significantly increased protein expression of p-STAT3 ( P < 0.001) , enhanced cell activity ( P < 0.001) , and increased number of invasive cells (187.34 ± 14.38, t= 2.17, P < 0.001) ; compared with the A375+ EC-304 group, the A375+ EC-304+ JSI-124 group showed significantly decreased protein expression of p-STAT3 ( P < 0.001) , decreased cell activity ( P < 0.001) , and decreased number of invasive cells (124.92 ± 8.72, t=-1.86, P < 0.001) . Conclusion:There is a signal crosstalk of VEGF-IL-6-STAT3 between cutaneous melanoma cells and vascular endothelial cells, which may play an important role in the proliferation and invasion of A375 cells.
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Laparoscopic anatomical hepatectomy of segment 7 is recognized as one of the most difficult hepatectomies. Because of its location and anatomic characteristics, the resection of hepatic segment 7 has the difficulties of poor surgical view, instrumental accessibility, hepatic pedicle anatomy, confirmation of dividing line and secure hemostasis. When performing laparoscopic anatomical hepatectomy of segment 7, the authors routinely put patient at left semi-decubitus position, set all trocars at the right upper quadrant of the abdomen, and select proper approach for hepatic pedicle anatomy according to the results of individualized preoperative three-dimensional reconstruction. The authors use to transect the liver parenchyma at the plane between hepatic segment 6 and segment 7, with the direction perpendicular to the right hepatic vein, and then finish parenchymal dissection using right hepatic vein as the intrahepatic landmark. According to the authors experiences, choosing appropriate tactics can effectively reduce the difficulty of laparoscopic anatomical hepatectomy of segment 7, improve the safety and controllability of operation, and ensure the oncological radical effects.
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Objective:To investigate the application value of three-dimensional (3D) printing technology assisted laparoscopic anatomic liver resection of segment 8 (Lap-S8).Methods:The retrospective and descriptive study was conducted. The clinicopathological data of 8 liver cancer patients including 7 cases with hepatocellular carcinoma and 1 case with intrahepatic cholangio-carcinoma who underwent 3D printing technology assisted Lap-S8 in the Hunan Provincial People′s Hospital from January 2019 to December 2020 were collected. There were 7 males and 1 female, aged from 49.0 to 80.0 years, with a median age of 56.5 years. Of the 8 patients, 6 cases underwent laparoscopic anatomic liver resection of the entire segment 8, 1 case underwent laparoscopic anatomic liver resection of ventral subsegmental of the segment 8 and 1 case underwent laparoscopic anatomic liver resection of dorsal subsegmental of the segment 8. 3D printing technology was used to assist preoperative evaluation and intraoperative navigation for all 8 patients. Observation indicators: (1) surgical situations; (2) postoperative situations; (3) follow-up. Follow-up was conducted using outpatient examination, internet or telephone interview to detect survival and tumor recurrence of patients after operation up to March 2021. Measurement data with normal distribution were represented as Mean±SD, and measurement data with skewed distribution were represented as M(range). Count data were described as absolute numbers. Results:(1) Surgical situations: all the 8 patients underwent 3D printing technology assisted Lap-S8 successfully, without conversion to open surgery. The operation time, hepatic portal occlusion time and volume of intraoperative blood loss of the 8 patients were (216±41)minutes, (56±11)minutes and 75 mL(range, 50 to 300 mL), respectively. There was no intraoperative blood transfusion in 8 patients, and the surgical margin of the 8 patients was negative. (2) Postoperative situations: the duration of postoperative hospital stay of the 8 patients were (9±3)days. There was no complication such as postoperative hemorrhage, biliary fistula, liver abscess or abdominal infection occurred. (3) Follow-up: all the 8 patients were followed up for 3.0?24.0 months, with a median follow-up time of 12.5 months. During the follow-up, 1 of 8 patients with preoperative diagnosis of recurrent hepatocellular carcinoma developed tumor recurrence at 5 months after operation. The patient underwent laparoscopic surgery followed with the transcatheter arterial chemoembolization and target therapy, and survived with tumor. There was no tumor recurrence in the other 7 patients.Conclusion:3D printing technology assisted Lap-S8 is safe and feasible.