Regularity and mechanism of medicinal and edible herbs in the treatment of myelosuppression / 新乡医学院学报

Objective To explore the regularity and potential mechanisms of medicinal and edible herbs(MEHs)in the treatment of myelosuppression through the retrieval,summary,sorting and visual analysis of relevant literature.Methods Literature about MEHs treatment for myelosuppression was reviewed in document databases,such as Web of Science,CNKI,Wanfang Data Knowledge Service Platform,China Science and Technology Journal Database,and China Biology Medicine Disc.Multivariate statistical analysis was performed using the SPSS and CiteSpace software to explore the frequency,efficacy and correlation of MEHs,as well as the potential mechanisms of MEHs in treating myelosuppression.Results A total of 123 recipes involving 170 traditional Chinese medicines(including 38 MEHs)were screened out.Five pairs of MEHs core combinations in the treatment of myelosuppression were obtained by cluster analysis.Their main functions included benefiting qi and nourishing blood,invigo-rating spleen and dispelling dampness,replenishing qi and solidifying kidney.The potential mechanisms were associated with many related signal pathways,such as Janus kinase 2-signal transducer and activator of transcription 5 andβ-catenini.Conclusion MEHs such as radix astragali combined with angelica sinensis,poria cocos and codonopsis pilosula are mainly used clinically to treat myelosuppression induced by chemotherapy.They play their therapeutic effects by promoting proliferation and delaying senescence of hematopoietic stem cells.

Clinical analysis of P2Y2 receptor agonist in the treatment of diabetic dry eye / 国际眼科杂志(Guoji Yanke Zazhi)

AIM: To evaluate the clinical efficacy of P2Y2 agonist diquafosol sodium(DQS)eye drops in the treatment of diabetic dry eye.METHODS: A total of 80 patients(160 eyes)with diabetic dry eye who admitted to our hospital from January 2022 to March 2022 were selected. They were randomly divided into study group and control group. A total of 40 patients(80 eyes)in the study group were treated with 3% DQS eye drops and 40 patients(80 eyes)in the control group were treated with 0.3% sodium hyaluronate eye drops. The ocular surface disease index(OSDI)score, non-invasive tear meniscus height(NITMH), first non-invasive tear film break-up time(NIBUTf), average non-invasive tear film break-up time(NIBUTav), tarsal gland loss score, lipid layer thickness grade and bulbar redness analysis(including conjunctival grade and ciliary grade), were examined before treatment and at 1wk, 1 and 3mo after treatment, respectively. Furthermore, corneal fluorescence staining and conjunctival lissamine green staining were analyzed based on the ocular surface staining score(OSS), and the conjunctival impression cytology and confocal microscopy were evaluated before and 3mo after treatment, respectively.RESULTS: There were no differences in OSDI score, tarsal gland loss score, conjunctival grade score and ciliary grade score between the two groups before and after treatment(P>0.05). OSS scores in the study group were lower than those in the control group, while NITMH, NIBUTf and NIBUTav were higher than those in the control group at 1 and 3mo after treatment(P<0.05). After 3mo of treatment, the density of conjunctival goblet cells increased and corneal dendritic cells decreased in the study group compared with the baseline(all P<0.05), while there were no significant changes in the control group compared with the baseline(all P>0.05).CONCLUSION: 3% DQS eye drops were effective in treating diabetic dry eye without serious complications.

Safety and efficacy of intense pulsed light in the treatment of severe chronic ocular graft-versus-host disease / 国际眼科杂志(Guoji Yanke Zazhi)

AIM: To investigate the safety and efficacy of intense pulsed light in the treatment of severe chronic ocular graft-versus-host disease.METHODS: Prospective randomized controlled study. A total of 35 cases(35 eyes), who had a history of allogenic hematopoietic stem cell transplantation(allo-HSCT), admitted to the Affiliated Hospital of Xuzhou Medical University from January to September 2022 and were diagnosed by our hospital's hematology and ophthalmology departments with severe chronic ocular graft-versus-host disease(coGVHD)were selected. One eye was randomly selected for inclusion in the study if both eyes met the enrollment criteria, and the eye was selected if a single eye met the enrollment criteria. All patients were administrated with Dextran and Hypromellose eye drops 4 times a day and Cyclosporine eye drops twice a day. The experimental group was additionally treated with intense pulsed light, once every two weeks a week, for 4 times in total. The evaluation indicators were evaluated before treatment and 2wk, 1 and 2mo after treatment. The evaluation indicators include ocular surface disease index(OSDI)score, best corrected visual acuity(BCVA), intraocular pressure(IOP), tear meniscus height(TMH), non-invasive break-up time(NIBUT), conjunctival injection score(CIS), meibomian gland area proportion(MGAP), meibomian gland evaluation(MGE), cornea fluorescein staining(CFS), conjunctival lissamine green staining(CLGS), lid margin abnormality score(LMAS), and Schirmer's Ⅰ test(SⅠt).RESULTS: After treatment, OSDI score, TMH, NIBUT, BCVA, CFS, CLGS, and CIS improved in both groups compared with those before treatment(all P<0.05), with NIBUT, CFS and CLGS showing more significant improvements in the test group. In the control group, MGAP, MGE of the upper and lower eyelids and LMAS did not change significantly before and after treatment(P>0.05), while in the experimental group, MGAP of the lower eyelids, MGE of upper and lower eyelids and LMAS improved compared with those before treatment(P<0.05), except for MGAP of the upper eyelids, which did not differ from that before treatment(P>0.05). There was no difference in SⅠt and IOP between the two groups before and after treatment(P>0.05). Patients did not experience adverse reactions such as skin burns, redness and swelling in the treated area and eyelash loss during the follow-up period.CONCLUSION: Intense pulsed light is safe and effective in the treatment of severe coGVHD, which can significantly improve the symptoms and signs of patients and enhance the stability of tear film.

Analysis of interleukin-36 expression in tears of allogeneic hematopoietic stem cell transplantation patients and its correlation with the ocular surface microenvironment / 国际眼科杂志(Guoji Yanke Zazhi)

AIM: To detect the expression of interleukin(IL)-36(α, β, γ)in tears of patients undergoing allogeneic hematopoietic stem cell transplantation(allo-HSCT), investigate its correlation with ocular surface microenvironment, and further analyze the relationship between its expression and ocular graft-versus-host disease(oGVHD).METHODS: Prospective study. A total of 35 patients(70 eyes)underwent allo-HSCT in the hematology department of our hospital in January 2020 were selected, and 35 healthy volunteers(70 eyes)with appropriate age and gender were selected as normal control group. The patients in the allo-HSCT group were followed up 3 times after operation once every 3mo. The subjects with postoperative ocular symptoms were divided into oGVHD and Non-oGVHD group.Ocular surface disease index(OSDI)questionnaire, Schirmer test, tear break-up time(TBUT), corneal fluorescein staining(FL), and conjunctival impression cytology(CIC)was conducted in three groups. Furthermore, the expression levels of IL-36(α,β,γ)in tears were detected by ELISA.RESULTS: In the normal control group, IL-36(α, β, γ)expression levels were 74.32±5.27, 70.02±8.43, 97.41±8.66 pg/mL, respectively; in the allo-HSCT group, IL-36(α, β, γ)baseline expression levels were 77.27±7.03, 74.53±7.53, 100.77±9.74 pg/mL, with no statistically significant differences between the two groups(t=1.648, 1.954, 1.262, all P>0.05). There were no significant differences in IL-36α, IL-36β and IL-36γ in Non-oGVHD group at different time points(P>0.05), while there were significant differences in IL-36α, IL-36β and IL-36γ in oGVHD group at different time points(P<0.05). Compared with Non-oGVHD group, the levels of IL-36α and IL-36β at different time points were significantly increased in oGVHD group(all P<0.05).IL-36(α, β, γ)of oGVHD group was positively correlated with OSDI score, FL and CIC, while it was negatively correlated with TBUT and Schirmer test(all P<0.05).CONCLUSION: Evaluation of levels of tear IL-36(α, β, γ)can be of significance in diagnosing oGVHD after allo-HSCT. IL-36(α, β, γ)is highly expressed in the tears of oGVHD patients before the onset of ocular symptoms, and it is correlated with the ocular surface parameters.

Safety and efficacy of lacrimal canalicular plug in the treatment of severe chronic ocular graft-versus-host disease / 国际眼科杂志(Guoji Yanke Zazhi)

AIM: To evaluate the safety and efficacy of lacrimal canalicular plug in the treatment of severe chronic ocular graft-versus-host disease(coGVHD).METHODS: Retrospective study. A total of 9 patients with severe coGVHD admitted to the dry eye clinic of the Affiliated Hospital of Xuzhou Medical University from June to September 2022 were included. All patients underwent binocular inferior lacrimal canaliculus plug. Ocular surface disease index(OSDI)score, tear meniscus height(TMH), corneal fluorescein staining(CFS)scores, conjunctival lisamine green staining(CLGS)score, noninvasive breakup time(NIBUT), Schirmer Ⅰ test(SⅠt)and the infiltration of Langerhans cells in the superficial corneal stroma tested by confocal corneal microscopy were observed before treatment and at 1 and 3 mo after treatment. At the same time, the complications related to lacrimal canalicular plug implantation were evaluated.RESULTS: The OSDI score decreased from 67.33±12.64 before treatment to 21.89±6.07 after 3mo of treatment(P<0.01); TMH increased from 0.09±0.02mm to 0.21±0.03mm after 3mo of treatment(P<0.05), and NIBUT increased from 2.24±0.68s before treatment to 6.77±2.05s after 3mo of treatment(P<0.01). In addition, the CFS and CLGS also changed significantly, from 9.11±1.45 and 6.33±1.00 before treatment to 2.22±0.67 and 2.56±0.88 at 3mo after treatment, respectively(all P<0.01). The density of Langerhans cells decreased from 140.22±38.18cells/mm2 before treatment to 39.67±9.75cells/mm2 3mo after treatment(P<0.01). SⅠt showed no significant difference before and after treatment(F=0.059, P=0.943). During the whole follow-up period, no complications such as plug abscission were observed.CONCLUSION: Lacrimal canalicular plug is safe and effective in the treatment of severe coGVHD. It can significantly improve the symptoms and signs of dry eye patients and reduce inflammatory reaction.

Chemical constituents in different parts of Ixeris sonchifolia based on UPLC-LTQ-Orbitrap-MS~n / 中国中药杂志

The chemical constituents in stem leaf, root, and flower of Ixeris sonchifolia were identified by the ultra performance li-quid chromatography coupled with linear ion trap quadrupole-orbitrap mass spectrometry(UPLC-LTQ-Orbitrap-MS~n). The separation was performed on an Acquity UPLC BEH C_(18) column(2.1 mm×100 mm, 1.7 μm) with a mobile phase of water(containing 0.1% formic acid, A)-acetonitrile(B) with gradient elution. With electrospray ionization source, the data of 70% methanol extract from stem leaf, root and flower of I. sonchifolia were collected by high-resolution full-scan Fourier transform spectroscopy, data dependent acquisition, precursor ion scan, and selected ion monitoring in the negative and positive ion modes. The compounds were identified based on accurate molecular weight, retention time, fragment ions, comparison with reference standard, Clog P and references. A total of 131 compounds were identified from the 70% methanol extract of I. sonchifolia, including nucleosides, flavonoids, organic acids, terpenoids, and phenylpropanoids, and 119, 110, and 126 compounds were identified from the stem leaf, root and flower of I. sonchifolia, respectively. In addition, isorhamnetin, isorhamnetin-7-O-sambubioside and caffeylshikimic acid were discovered from I. sonchifolia for the first time. This study comprehensively analyzed and compared the chemical constituents in different parts of I. sonchifolia, which facilitated the discovery of effective substances and the development and application of medicinal material resources of I. sonchifolia.

Regulation of platelet function by cantharidin via PI3K/Akt/PKC pathway / 中国药理学通报

To investigate the effect of cantharidin ( CTD) on platelet function and the mechanism of anti-platelet aggregation. Methods Washed platelets were collected from the venous blood of healthy volunteers. The effect of CTD on platelet aggregation and release was determined by aggregometer. The CTD concentration was 2.5 ,5 ,10 μmol • L

Common Syndromes of Cerebral Infarction Patients in Rural Areas of Eastern Henan Based on Latent Structure Model and Factor Analysis / 中国实验方剂学杂志

ObjectiveTo explore the common syndromes of patients with cerebral infarction in rural areas of eastern Henan based on latent structure model and factor analysis，and provide reference for clinical differentiation of cerebral infarction. MethodThe data samples of patients with cerebral infarction in rural areas in eastern Henan were preprocessed. With Lantern 5.0 of latent structure method and LTM-EAST algorithm of two-step latent tree analysis， the manifest variable latent structure model of related symptoms was built to interpret different latent nodes， and common syndromes of cerebral infarction were obtained via comprehensive cluster analysis. SPSS 20.0 was used for factor analysis and cluster analysis of related symptoms to infer the distribution of syndrome types. ResultThe data of 888 patients with cerebral infarction were included， involving symptoms， tongue and pulse （88 in total）. The 65 symptoms with a frequency of ≥5% were constructed into a latent structure model， and 31 latent variables were obtained. The Bayesian information criterion （BIC） score was -15 367.17. Based on professional knowledge， s6 common syndrome types were found， namely， syndrome of upward disturbance of wind-fire， Qi deficiency and blood stasis syndrome， syndrome of phlegm and blood stasis blocking collaterals， syndrome of phlegm-heat and fu-organ excess， syndrome of wind phlegm obstructing collaterals， and syndrome of stirring wind due to yin deficiency. In factor analysis， the symptoms with a frequency of >10% were selected， and 13 common factors were obtained and used for systematic cluster analysis. And 5 syndrome types were inferred： syndrome of wind phlegm obstructing collaterals， syndrome of phlegm-heat and fu-organ excess， Qi deficiency and blood stasis syndrome， syndrome of combined phlegm and blood stasis， and syndrome of yin deficiency and internal heat. According to the determination criteria of syndrome types in traditional Chinese medicine （TCM）， 6 common syndrome types of cerebral infarction were finally determined. ConclusionAccording to the severity of the disease， the common syndromes of patients with cerebral infarction in rural areas of Eastern Henan were divided into the following categories： apoplexy involving channel and collateral： syndrome of upward disturbance of wind fire， syndrome of wind phlegm obstructing collaterals， and syndrome of stirring wind due to yin deficiency. Apoplexy involving zang and fu-viscera： syndrome of phlegm-heat and fu-organ excess， and syndrome of phlegm and blood stasis blocking collaterals. Recovery period： Qi deficiency and blood stasis syndrome. This study was basically consistent with the syndrome law in TCM theory， and provided reference for further establishing syndrome diagnostic criteria of cerebral infarction.

Effect of Jingui Shenqiwan Combined with Fracture Three-stage Syndrome Differentiation on Recovery of Patients with Osteoporotic Vertebral Compression Fractures After Operation / 中国实验方剂学杂志

Objective:To evaluate the short-term and long-term efficacy of Jingui Shenqiwan combined with three-stage syndrome differentiation on osteoporotic vertebral compression fractures (OVCFs) after operation, and its regulatory effect on biomarkers of bone metabolism. Method:One hundred and thirty-five patients were randomly divided into control group (67 cases) and observation group (68 cases) by random number table. A total of 58 patients in control group completed the treatment (4 patients were exfoliated, 2 patients were lost to follow-up, 3 patients were eliminated); and 60 patients in observation group completed the treatment (3 patients were exfoliated, 2 patients were lost to follow-up, 3 patients were eliminated). Both groups patients were given calcitonin injection through intramuscular injection, 20 u/time, 1 time/week, for 12 weeks, calcium carbonate D3 chewable tablets (Ⅱ), 1 tablet/time, 2 times/day, and alendronate sodium tablets, 70 mg/time, 1 time/week. Patients in control group got Bushen Jiangu capsule, 4 grains/time, 3 times/day. And patients in observation group got modified Jingui Shenqiwan combined with fracture three-stage symptom differentiation, 1 dose/day. The courses of treatment in the two groups were 24 weeks, and a 24 week follow-up was provided. Before the operation and at the 12th and 24th week after operation, the short-term efficacy indexes, such as back pain, lumbar function, traditional Chinese medicine （TCM） syndromes and complications, were recorded. And the long-term efficacy indexes, such as recovery of responsible vertebral body, lumbar function, bone density and quality of life and incidence of 48 week re-fracture, were also recorded. Before and after operation, levels of bone alkaline phosphatase (BALP), osteocalcin (BGP), tartrate resistant acid phosphatase-5b (TRAP-5b), type I collagen carboxy terminal prepeptide (PICP), type I collagen cross-linked C-terminal peptide (β-CTX) and N-MID-OT were detected, and the safety was evaluated. Result:The comprehensive efficacy in observation group was superior to that in control group (Z=2.026, P<0.05). At the 12th and 24th week after operation, scores of back pain, lumbar function and TCM syndromes were all lower than those in control group (P<0.01), and score of lumbar function at the 48th week after operation was also lower than that in control group (P<0.01). Bone density was higher than that in control group at the 24th and 48th week after operation, and score of quality of life was lower than that in control group (P<0.01). At the 24th and 48th week after operation, Cobb angles were less than those in control group, and heights of responsible centrums (anterior, central, posterior) were higher than those in control group. Cumulative incidence of complications in control group was 51.72% (30/58), which was higher than 26.67% (16/60) in control group (χ2=7.784, P<0.01). The levels of BGP were higher than those in observation group at the 24th and 48th week after operation, and the levels of BALP, TRAP-5b, PICP, β-CTX and N-MID-OT were all lower than those in control group (P<0.01). And there was no side effect relating to Jingui Shenqiwan. Conclusion:Modified Jingui Shenqiwan combined with fracture three-stage symptom differentiation can reduce the symptoms of back pain and promote the recovery of lumbar function, with a significant short-term comprehensive efficacy. In the long term, it can improve the strength of responsible centrums, restore the anatomical structure of injured centrums, increase the bone density of centrums, further improve the lumbar function, reduce the occurrence of complications, regulate the markers of bone metabolism, and improve osteoporosis.

Evaluation of glide path preparation and shaping ability of two nickel-titanium engine driven systems in moderate curved root canals / 上海交通大学学报（医学版）

Objective:To evaluate the clinical application effect of two nickel-titanium engine driven systems on moderate curved root canals. Methods:Ninety mesial root canals with moderate curvature of extracted human first mandibular permanent molar were randomly divided into three groups: M3 PRO Group, MTwo group and K group. The glide path was firstly prepared by using #10/04 file in M3 PRO group and MTwo group and #10 file in K group respectively.Then the preparation of root canals up to #25 was performed according to the instruction manual in each different group using standardized technique. All data including time required in glide path preparation, shaping preparation, total root canals preparation and changes of working length in root canal were recorded and analyzed statistically by using Analysis of Variance (ANOVA) and LSD-t tests (P<0.05). Results:Root canal glide path preparation time: MTwo group showed significantly less preparation time while M3 PRO group exhibited significantly the longest preparation time. There was significant difference between MTwo group and M3 PRO group (P=0.001). Root canal shaping preparation time: M3 PRO group showed significantly less preparation time while K group exhibited significantly the longest preparation time. Both MTwo group and M3 PRO group showed significantly less preparation time than K group (P=0.004, P=0.001), but there was no significant difference between MTwo group and M3 PRO group (P=0.573). Total root canal preparation time: MTwo group showed the shortest time while K group exhibited the longest time. There were significant differences between MTwo group, M3 PRO group and K group (P=0.004, P=0.033), but no significant difference between MTwo group and M3 PRO group (P=0.451). Changes of root canal working length: There were significant differences among the three groups (P=0.037, P=0.037, P=0.000). M3 PRO group showed a minimal change while K group exhibited significant changes. Conclusion:MTwo nickel-titanium engine driven system with #10/04 file preform a high efficiency in glide path preparation, whilst M3 PRO nickel-titanium engine driven system show less changes in working length. Under the circumstances where the total time required for root canal preparation is not significant, M3 PRO nickel-titanium engine driven system is more suitable for root canal preparation in moderate curved root canals.

Advances in research on NLRP3 pyroptosis in ophthalmology / 国际眼科杂志(Guoji Yanke Zazhi)

@#Nucleotide-binding oligomerization domain(NOD)-like receptor family contains Pryrin domain protein 3(NLRP3)inflammasome, which is an intracellular protein complex. Large release of ROS can activate the production of intracellular NLRP3 inflammasome. It consists of NLRP3, a cysteine protease recruitment domain(ASC),and a pro-caspase-1 precursor, can activate caspase-1 while being assembled. Then, the cytokines interleukin-1 and interleukin-18(pro-Il-1/18)are cleaved into mature forms by caspase-1 to perform their pro-inflammatory functions. pyroptosis refers to the programmed cell death of Caspase-1-dependent cells mediated by inflammasome. This article reviews the structure and function of NLRP3 inflammasome, its relationship with pyroptosis, and the research progress in ophthalmic diseases.

Comparison of heart failure and COVID-19 in chest CT features and clinical characteristics / 中华心血管病杂志

Objective: To identify the characteristics including clinical features and pulmonary computed tomography (CT) features of heart failure and COVID-19. Methods: This study was a retrospective study. A total of 7 patients with heart failure and 12 patients with COVID-19 in the Second Xiangya Hospital of Central South University between December 1, 2019 and February 15, 2020 were enrolled. The baseline clinical and imaging features of the two groups were statistically analyzed. Results: There was no significant difference in age and sex between the two groups(both P>0.05), but the incidence of epidemiological contact history, fever or respiratory symptoms in the COVID-19 group was significantly higher than that in the heart failure group (12/12 vs. 0, P<0.001; 12/12 vs. 4/7, P=0.013). While the proportion of cardiovascular diseases and impaired cardiac function was significantly less than that of the heart failure group(2/12 vs.7/7, P<0.001；0 vs.7/7, P<0.001). For imaging features, both groups had ground-glass opacity and thickening of interlobular septum, but the ratio of central and gradient distribution was higher in patients with heart failure than that in patients with COVID-19 (4/7 vs. 1/12, P=0.04). In heart failure group, the ratio of the expansion of pulmonary veins was also higher (3/7 vs. 0，P=0.013), and the lung lesions can be significantly improved after effective anti-heart failure treatment. Besides, there were more cases with rounded morphology in COVID-19 group（9/12 vs. 2/7, P=0.048）. Conclusions: More patients with COVID-19 have epidemiological history and fever or respiratory symptoms. There are significant differences in chest CT features, such as enlargement of pulmonary veins, lesions distribution and morphology between heart failure and COVID-19.

Bisphosphonate-related osteonecrosis of the jaw complicated with wrist scaphoid osteomyelitis: a case report / 华西口腔医学杂志

Bisphosphonates can directly inhibit osteoclasts, which may lead to increased bone density, reduced blood flow, and osteonecrosis of the jaw. Bisphosphonate-related osteonecrosis is usually observed in the jaw bone. In this article, we report a patient with bisphosphonate-related osteonecrosis of the jaw (BRONJ) complicated with wrist scaphoid osteomyelitis. Furthermore, we introduce the pathogenesis, treatment, and prevention of BRONJ.

Tinnitus Matching-based Clinical Study on Acupuncture Treatment for Tinnitus of Kidney Essence Deficiency Type / 上海针灸杂志

Objective To make a tinnitus matching-based observation of the clinical therapeutic effect of acupuncture on tinnitus of kidney essence deficiency type.Methods Sixty patients with tinnitus of kidney essence deficiency type were randomized to groups A and B, 30 cases each. Group A received acupuncture based on syndrome differentiation- based point selection and group B, acupuncture based on disease differentiation-based point selection. Hearing condition was assessed by pure tone hearing threshold and tinnitus matching (tinnitus frequency and loudness matching test) in the two groups of patients before and after treatment.Results There were statistically significant pre-/post- treatment differences in various thresholds in pure tone audiometry in the two groups (P<0.05). There were statistically significant post-treatment differences in partial thresholds in pure tone audiometry (500 Hz, 750 Hz, 1000 Hz and 2000 Hz) between Group A and group B (P<0.05). Tinnitus matching had no statistically significant pre-/post-treatment difference within the two groups and no statistically significant post-treatment difference between the two groups (P>0.05). There was a statistically significant pre-/post-treatment difference in tinnitus loudness matching in the two groups (P<0.01). There was a statistically significant post-treatment difference in tinnitus loudness matching between Group A and group B (P<0.05).Conclusions Acupuncture is an effective way to treat tinnitus of kidney essence deficiency type. The therapeutic effect of syndrome differentiation-based acupoint selection is better than that of disease differentiation-based acupoint selection.

Modified posterior lumbar interbody fusion augmented with bone cement in the treatment of senile degenerative lumbar spondylolisthesis: study protocol for a self-controlled trial / 中国组织工程研究

BACKGROUND: Posterior lumbar interbody fusion is the main repair method for senile degenerative lumbar spondylolisthesis. For elderly patients with osteoporosis, single screw rod system fixation regularly results in dislocation. The incidence of implant loosening is high, and therefore, effective internal fixation is not achieved. OBJECTIVE: This study will use the modified posterior lumbar interbody fusion procedure combined with bone cement augmentation for the treatment of senile degenerative lumbar spondylolisthesis so as to increase the stability of the vertebral body, make the fixator firm, and to maximize the recovery of postoperative motor function. METHODS: Totally 113 patients with senile degenerative lumbar spondylolisthesis, aged 65-70 years, irrespective of sex, will be recruited from the Department of Orthopedics of Affiliated Hospital of Qinghai University of China. The patients will be treated with modified posterior lumbar interbody fusion combined with bone cement augmentation. Follow-up will be performed at 3 and 12 months. The primary outcome measure is recovery of motor function as indicated by the postoperative Oswestry Disability Index score at 12 months. The secondary outcome measures are the change in the rate of excellent and good Oswestry Disability Index scores (comparing preoperative scores with the 4-month postoperative scores), Visual Analogue Scale scores, intervertebral space height, foraminal height, the preoperative and 4 and 14 months postoperative slip distance and slip angle, incidence of adverse reactions, success rate of vertebral fusion, and incidence of secondary slip 4 and 14 months postoperatively. This trial has been approved by the Medical Ethics Committee of Affiliated Hospital of Qinghai University of China(approval number:QHY023G).The study protocol will be proformed in accordance with the Declaration of Helsinki, formulated by the World Medical Association. Written informed consent will be obtained from all participants. This trial was designed in October 2017. The recruitment of subjects and data collection will begin in June 2018. The recruitment will be finished in December 2018. Outcome measures will be analyzed in January 2020. This trial will be completed in February 2020. The results of the trial will be reported in a scientific conference or disseminated in a peer-reviewed journal. This trial had been registered in the Chinese Clinical Trial Registry (registration number: ChiCTR1800015335). Protocol version (1.0). DISCUSSION: This trial aims to observe the efficacy of modified posterior lumbar interbody fusion combined with bone cement augmentation in the treatment of senile degenerative lumbar spondylolisthesis and to validate whether the procedure is safe and reliable.

Expression of Rictor and mTOR in colorectal cancer and their clinical significance / 南方医科大学学报

<p><b>OBJECTIVE</b>To explore the expression of Rictor and mTOR in the colorectal cancer and their clinical significance.</p><p><b>METHODS</b>The expression levels of Rictor and mTOR in HCT116, SW480, LoVo and HCoEpiC cells were detected by indirect immunofluorescence and Western blotting. Sixty-two paraffin-embedded surgical specimens of colorectal cancer tissue and adjacent tissues were examined for Rictor expression using immunohistochemistry. The association of the expression levels of Rictor protein with the clinicopathologic features and the overall survival of the patients was analyzed.</p><p><b>RESULTS</b>The expression level of Rictor was significantly higher in colorectal cancer tissues than in the adjacent tissues (P<0.05). The expression levels of Rictor and mTOR in the colon cancer cell lines were higher than those in human normal colon epithelial cell line HCoEpiC. The expression of Rictor was correlated with Dukes stage and lymphatic metastasis of the tumors but not with other clinicopathological parameter (P>0.05). Patients with Rictor expression had a lower overall survival rate than those without Rictor expression.</p><p><b>CONCLUSION</b>Rictor overexpression is associated with the carcinogenesis and progression of colorectal cancer and can be an independent indicator for evaluating the prognosis of colorectal cancer patients.</p>

Effects of electroacupuncture on postoperative functional recovery in patients with gynaecological laparoscopic surgery / 中国针灸

<p><b>OBJECTIVE</b>To evaluate electroacupuncture on the efficacy and the safety of gastric and systemic functional recovery in patients with carbon dioxide pneumoperitoneum undergoing gynaecological laparoscopic surgery.</p><p><b>METHODS</b>Sixty patients undergoing gynaecological laparoscopic surgery were randomly divided into a regular anesthesia group (group A) and a combination electroacupuncture anesthesia group (group B), 30 cases in each group. The group A were treated with regular general anesthesia, and on the basis of general anesthesia, the group B were treated with electroacupuncture at bilateral Zusanli (ST 36) and Liangqiu (ST 34) by continuous wave and a frequency of 2 Hz 30 minutes before the surgery until the end of the operation. Sedation scale by Ramsay, nausea, vomiting and mental state scores of postoperative were evaluated and compared between the two groups.</p><p><b>RESULTS</b>Compared with the group A, the sedation scale (1.19 +/- 0.56 vs 1.96 +/- 0.90), nausea score (0.59 +/- 0.80 vs 1.81 +/- 0.88), vomiting score (0.48 +/- 0.94 vs 1.89 +/- 0.93) and mental state score (0.96 +/- 0.73 vs 1.69 +/- 0.75) were all decreased significantly in the group B (all P < 0.01).</p><p><b>CONCLUSION</b>Combination electroacupuncture anesthesia can relieve postoperative irritable, nausea and vomiting, improve mental state after the operation and promote the gastric and systemic functional recovery. It is a good method for the adjustment of carbon dioxide pneumoperitoneum during laparoscopic surgery.</p>

Simultaneous determination of 50 residual solvents in solid drug preparations by GC-MS / 中国药学杂志

OBJECTIVE: To develop an analytical method for determination of unknown residual solvents in solid drug products by GC-MS in order to meet the need of supervision. METHODS: Fifty residual solvents including benzene, carbontetrachloride, 1, 2-di-chloroethane, 1, 1, 1-trichloroethane, acelonitrile, chlorobenzene, acetone, etc, were determined by GC/MS using selected ion monitoring (SIM) mode. RESULTS: Good linearity was obtained with correlation coefficients of more than 0.9975 for all the solvents. The average recoveries of the quality control samples at low, middle and high concentrations were from 88.8% to 109.8% and the relative standard deviations (RSDs) were lower than 11.6%. The limits of detection (TODs) were in the range of 0.00003-0.3μg·mL-1, while the limits of quantitation (LOQs) were in the range of 0.00009-1 μg ·mL-1. CONCLUSION: The method is simple, rapid, sensitive and accurate, and can be used for the simultaneous determination of 50 residual solvents in solid preparations such as tablets and capsules.

Clinical application of 64-slice computed tomographic angiography-based virtual colonoscopy in the diagnosis of colonic tumors / 南方医科大学学报

<p><b>OBJECTIVE</b>To investigate the clinical value of 64-slice computed tomographic angiography (CTA)-based virtual colonoscopy in the diagnosis of colonic tumors.</p><p><b>METHODS</b>Philips/Brilliance 64 CT volumetric scanning was performed in 8 patients with colonic cancer and 2 with colonic polypi identified by postoperative pathological examination. Mimics software was used for surface rendering of the intestine with the Marching Cubes algorithm for 3-dimensional (3D) virtual endoscope (VE) reconstruction and CTA-based 3D reconstruction of the large intestine and the surrounding structures. The location, volume and appearance of the lesions displayed by the virtual techniques were compared with the pathological results.</p><p><b>RESULTS</b>The 3D reconstruction was successfully completed in all the 10 cases, and the imaging diagnoses showed a total match with the pathological diagnoses. No significant differences were found between virtual endoscopy and CT virtual endoscopy. Virtual colonoscopy combined with digital model reconstruction provided valuable information for accurate identification of the position of the lesions and the complex adjacent anatomical structures.</p><p><b>CONCLUSION</b>Virtual colonoscopy based on 64-slice CTA, when combined with 3D reconstruction technique, allows accurate display of the colonic lesions and potential metastasis, which can be crucial for clinical staging and surgical planning of colonic cancer.</p>

Intracranial mirror-image aneurysm: a report of 17 cases / 中华神经医学杂志

Objective To study the clinical characteristics and microsurgical skills of intracranial mirror-image aneurysm. Methods The clinical data and post-operative outcomes of 17 patients with 36 intracranial mirror-image aneurysms who underwent microsurgical operation were analyzed retrospectively. Results Thirty-five aneurysms were clipped directly and 1 did not give any treatment. One-time surgery was performed in 9 patients and 20 aneurysms were clipped. Two-stage operation was performed in the other 7 patients: 7 aneurysms were clipped in the first surgery and 7 in the second one. One patient received aneurysm clipping only in one side of the brain. CTA was performed again on 11 patients, noting that residual aneurysm neck of the 2 aneurysms existed in 23 clipped aneurysms, that the other aneurysms disappeared, and that the parent arteries were clear. GOS indicated that good surgical outcomes were achieved in 12 patients, light disability in 4 and severe disability in 1.Conclusion The surgical outcomes of intracranial mirror-image aneurysm performed microsurgical operation are predominance. Criminal aneurysms should be determined correctly and clipped firstly; and according to the sites and grades of the aneurysms and the patient's condition, good outcomes can be achieved by choosing one-time operation or two-stage operation.