1.Pharmacokinetic interactions between empagliflozin and donafenib/lenvatinib in rats
Ying LI ; Zihan LIU ; Wenyu DU ; Jing AN ; Congyang DING ; Yue ZHAO ; Bingnan REN ; Zefang YU ; Yajing LI ; Zhanjun DONG
Journal of Clinical Hepatology 2025;41(9):1853-1860
ObjectiveTo investigate the influence of empagliflozin combined with donafenib or lenvatinib on the pharmacokinetic parameters of each drug, and to provide a reference for combined medication in clinical practice. MethodsA total of 48 healthy male Sprague-Dawley rats were divided into 8 groups: empagliflozin group 1 and 2, donafenib group, lenvatinib group, donafenib pretreatment+empagliflozin group, lenvatinib pretreatment + empagliflozin group, empagliflozin pretreatment+donafenib group, and empagliflozin pretreatment+lenvatinib group, with 6 rats in each group. The doses of empagliflozin, donafenib, and lenvatinib were 2.5 mg/kg, 40 mg/kg, and 1.2 mg/kg, respectively. The rats in the empagliflozin group, donafenib group, and lenvatinib group were given a blank solvent by gavage for 7 consecutive days, followed by a single dose of empagliflozin, donafenib, or lenvatinib on day 7 after the administration of the blank solvent; the rats in the pretreatment groups were given the pretreatment drug by gavage for 7 consecutive days, followed by a single dose of drug combination on day 7 after administration of the pretreatment drug. Blood samples were collected at different time points, and plasma was separated to measure the concentration of each drug. A validated ultra-performance liquid chromatography-tandem mass spectrometry method was used to measure the plasma concentrations of donafenib, lenvatinib, and empagliflozin, and a non-compartmental model was used to calculate the main pharmacokinetic parameters of each drug (area under the plasma concentration-time curve [AUC], time to peak [Tmax], peak concentration [Cmax], and half-life time [t1/2]). The independent-samples t test was used for comparison of normally distributed continuous data between two groups, and the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between two groups. ResultsCompared with the empagliflozin group, the donafenib pretreatment+empagliflozin group had significant increases in the AUC0-t and AUC0-∞ of empagliflozin (P=0.011 and 0.008), while the lenvatinib pretreatment+empagliflozin group had no significant change in the AUC of empagliflozin, with a slightly shorter Tmax (P=0.019). Compared with the donafenib group, the empagliflozin pretreatment+donafenib group had significant increases in the AUC0-t and AUC0-∞ of donafenib (P=0.027 and 0.025), as well as a significant increase in Cmax (P=0.015) and significant reductions in CLz/F and Vz/F (P=0.005 and 0.004); compared with the lenvatinib group, the empagliflozin pretreatment+lenvatinib group had a reduction in the t1/2 of lenvatinib by approximately 5 hours (P=0.002), with a trend of reduction in AUC0-t (P0.05). ConclusionEmpagliflozin combined with donafenib may alter the pharmacokinetic parameters of both drugs, leading to a significant increase in the exposure levels of both drugs, and efficacy and adverse reactions should be monitored during co-administration. There are no significant changes in the exposure levels of empagliflozin and lenvatinib during co-administration.
2. Study on relationship of target organ injury of mechanism and "structure-effect-dose" of Hedysari Radix during radiotherapy-chemotherapy induced
Sha-Sha ZHAO ; Hai HE ; Zi-Yang WANG ; Yao-Ying XING ; Yuan REN ; Jing SHAO ; Sha-Sha ZHAO ; Hai HE ; Zi-Yang WANG ; Yao-Ying XING ; Jing SHAO ; Yuan REN ; Jing SHAO ; Jing SHAO
Chinese Pharmacological Bulletin 2024;40(2):371-380
Aim To explore the possible mechanism of "component-target-pathway" of Radix Hedysari against target organ damage caused by radiotherapy and chemotherapy, and to verify the " dose-effect" relationship of the main active components. Methods TCMSP, Uniprot, Swiss Target Prediction, GeneCards, Cytoscape, Omicshare and other platforms were used for network pharmacology analysis. Autodock, Pymol and Ligplot were used for molecular docking. The water extract of Radix Hedysari was used for animal experiment verification. The contents of eight main components were determined by HPLC. Results Four active components, eight key targets and four key pathways of Radix Hedysari were identified to resist the damage of target organs caused by radiotherapy and chemotherapy. Molecular docking showed that formononetin and quercetin had good binding activity with HSP90AA1, naringenin and MAPK3, and ursolic acid and TP53. Animal experiments showed that gastrointestinal factors MTL and VIP increased significantly, liver and kidney factors Cr, BUN, AST and ALT decreased significantly, inflammatory factor IL-10 increased significantly and TNF-a decreased significantly. The content of ononm was the highest (2 . 884 8 µg • g "
3.Evaluation of GRADE Clinical Research Evidence of Chinese Patent Medicine Combined with Western Medicine in Treatment of Hypertension with Dyslipidemia
Jiaheng WANG ; Yukun LI ; Liangyu CUI ; Yilan ZHENG ; Zhiwei ZHAO ; Cong REN ; Tianyue JING ; Tong YIN ; Liying WANG ; Xuejie HAN
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(10):95-105
ObjectiveTo evaluate the effect of antihypertensive and lipid-regulating Chinese patent medicine combined with conventional Western medicine in the treatment of hypertension with dyslipidemia. To carry out the evidence synthesis of clinical research and provide evidence-based evidence support for clinical decision-making. MethodThe databases including China National Knowledge Infrastructure (CNKI),Wanfang Data Knowledge Service Platform (WF),VIP,SinoMed,Embase,PubMed,Web of Science (WOS),and the Cochrane Library were searched for randomized controlled trials (RCT) of all listed Chinese patent medicines in the treatment of hypertension with dyslipidemia from the establishment of the databases to April 15,2023. The literature was screened and extracted,and the risk of bias tool 2.0 (RoB2) was used to assess the quality and risk of bias of the methodology. Revman 5.4.1 software was used to analyze the outcome indicators. Grading of Recommendations Assessment,Development and Evaluation (GRADE) was applied to assess the quality of evidence formed by clinical research data. The inclusion and recommendation of Chinese patent medicines in the National Drug Catalogue for Basic Medical Insurance,Work-related Injury Insurance and Maternity Insurance (2022) and domestic guidelines and consensus were searched to form a bubble chart. ResultA total of 15 studies were included. The evaluation of the methodological quality of each study showed that the risk of bias stemmed from the lack of blinding and allocation concealment,and low sample size. The comprehensive analysis of clinical studies showed that Dengzhan Shengmai capsules combined with rosuvastatin and amlodipine besylate,Yindan Xinnaotong capsules combined with simvastatin and levamlodipine tablets,Xiaoshuan Tongluo capsules combined with nifedipine controlled release tablets and pravastatin sodium tablets,Xinshubao capsules combined with atorvastatin calcium tablets and irbesartan,Wenyading capsules combined with enalapril,and Jiangzhining tablets combined with conventional Western medicines were all superior to conventional Western medicines used in the control group in improving systolic blood pressure (SBP),diastolic blood pressure (DBP),cholesterol (TC),triglyceride (TG),low density lipoprotein cholesterol (LDL-C),and high density lipoprotein cholesterol (HDL-C). There was no significant difference in the incidence of adverse reactions between the two groups. The GRADE evaluation of the main outcome indicators showed that the evidence quality of SBP and incidence of adverse reactions was graded as B,that of DBP as C,and that of total TC,TG,LDL-C,and HDL-C as D. The evaluation of Chinese patent medicines covered by medical insurance and recommended by guidelines and consensus showed that Yindan Xinnaotong soft capsules,Dengzhan Shengmai capsules and Xiaoshuan Tongluo capsules belonged to class B drugs of medical insurance,and were recommended for 7,6 and 3 times in the guidelines and consensus,respectively. ConclusionCompared with simple medicine treatment,Chinese patent medicine combined with conventional Western medicine has more advantages in improving blood pressure and blood lipid,and shows higher safety. Among them,Yindan Xinnaotong soft capsules,Dengzhan Shengmai capsules and Xiaoshuan Tongluo capsules have stronger clinical applicability and economy. All the trials included in this article adhered to the principle of randomization and reported the outcome measures. However,the quality of evidence in related clinical studies was low. In terms of trial design,large-sample,multi-center,blinded randomized controlled trials based on the consolidated standards of reporting trials (CONSORT) statement are still needed for comprehensive trial designs and reporting,to further improve the GRADE quality evaluation and guideline formulation under the guidance of evidence-based medicine,so as to provide higher quality evidence-based research evidence for clinical decision-making.
4.GRADE Clinical Study Evidence Evaluation and Expert Consensus on Antihypertensive Chinese Patent Medicines Combined with Western Medicines for Treatment of Hypertension
Liangyu CUI ; Yukun LI ; Tianyue JING ; Yu WANG ; Cong REN ; Tong YIN ; Zhiwei ZHAO ; Jiaheng WANG ; Chenge SUN ; Dasheng LIU ; Zhizheng XING ; Xuejie HAN ; Liying WANG
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(10):106-115
ObjectiveTo evaluate the quality of research and evidence related to antihypertensive Chinese patent medicines combined with western medicines for the treatment of hypertension, synthesize and update the evidence, form expert consensus, and provide evidence for clinical decision-making. MethodThe databases of China National Knowledge Infrastructure (CNKI), WanFang Data Knowledge Service Platform (WanFang), Vip Chinese Science and Technology Journal Database (VIP), Chinese Biomedical Literature Service System (Sinomed), National Library of Medicine (PubMed), Cochrane Library, Web of Science, and US Clinical Trials Registry were searched for randomized controlled trials of antihypertensive Chinese medicine combined with western medicine for the treatment of hypertension from database construction to July 31, 2022. The quality of the literature was evaluated using the bias risk assessment tool in Cochrane Handbook 6.3. Evidence synthesis of main outcome indicators was performed using R software. The Grading of Recommendations Assessment, Development, and Evaluation profiler (GRADEprofiler) 3.6 was employed to evaluate the quality of evidence. Expert consensus was formed based on the Delphi method after two rounds of voting. Result64 pieces of literature were included, and the results of literature quality evaluation and risk of bias showed that 70.31% (45/64) of the studies indicated some risks, and 29.69% (19/64) indicated high risks. Compared with conventional western medicines, the combination of Chinese patent medicines with western medicines can significantly lower systolic pressure (SBP) and diastolic pressure (DBP), increase the effective rate of antihypertensive, reduce the incidence of adverse reactions, endothelin-1, and traditional Chinese medicine syndrome scores. Egger's test showed that Songling Xuemaikang capsules reduced SBP and DBP. Tianma Gouteng granules reduced SBP and DBP and increased the effective rate of antihypertensive, and Xinmaitong capsules reduced SBP and increased the effective rate of antihypertensive, without significant publication bias. Songling Xuemaikang capsules increased the effective rate of antihypertensive, and Xinmaitong capsules decreased DBP, with significant publication bias. The results of the GRADE evidence quality evaluation showed that most evidence was at grades B and C. Finally, four strong recommendations and 14 weak recommendations were formed. ConclusionCompared with conventional western medicines for the treatment of hypertension, antihypertensive Chinese patent medicines combined with western medicines have advantages in reducing blood pressure and improving drug use safety, but they are mostly weak recommendations in terms of efficacy, and more high-quality evidence is needed.
5.Application and Biological Evaluation of Magnetic Cell Sorting Technology
Tian HONG ; Jing-Wen LI ; Ren-Ai LI ; Er-Ning CHEN ; Lu-Lu ZHAO ; Mei-Hong DU
Progress in Biochemistry and Biophysics 2024;51(1):123-135
Magnetic cell sorting technology is a highly specific and rapid cell sorting technology using superparamagnetic nanocomposites for cell sorting, which is widely used in immunology, stem cytology, oncology, clinical medicine and other fields. Magnetic cell sorting technology is divided into positive isolation, negative isolation/untouched cell isolation, depletion, multi-step isolation and automated cell separation systems. In this review, we firstly give a brief introduction to the classification and application of magnetic cell sorting technology, then discuss several new techniques and challenges based on magnetic cell sorting in recent years, such as improving the sorting efficiency by improving the structure of magnetic materials and magnetic field structure. The necessity of biological evaluation of magnetic cell sorting products was emphatically analyzed. Through the biological evaluation, the advantages and disadvantages of magnetic cell sorting products can be understood, and the research and development ability could be improved. Therefore, 10 biological evaluation technical parameters related to magnetic cell sorting products were proposed: yield, purity, sterility, cytotoxicity, cell morphology, viability, light scattering characteristics of cells, fluorescent antibody labeling ability of cells, cell activation and cell proliferation. The 10 biological evaluation technical parameters play an important role in promoting the standardized application of magnetic cell sorting.
6.Bioequivalence study of ezetimibe tablets in Chinese healthy subjects
Pei-Yue ZHAO ; Tian-Cai ZHANG ; Yu-Ning ZHANG ; Ya-Fei LI ; Shou-Ren ZHAO ; Jian-Chang HE ; Li-Chun DONG ; Min SUN ; Yan-Jun HU ; Jing LAN ; Wen-Zhong LIANG
The Chinese Journal of Clinical Pharmacology 2024;40(16):2378-2382
Objective To evaluate the bioequivalence and safety of ezetimibe tablets in healthy Chinese subjects.Methods The study was designed as a single-center,randomized,open-label,two-period,two-way crossover,single-dose trail.Subjects who met the enrollment criteria were randomized into fasting administration group and postprandial administration group and received a single oral dose of 10 mg of the subject presparation of ezetimibe tablets or the reference presparation per cycle.The blood concentrations of ezetimibe and ezetimibe-glucuronide conjugate were measured by high-performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS),and the bioequivalence of the 2 preparations was evaluated using the WinNonlin 7.0 software.Pharmacokinetic parameters were calculated to evaluate the bioequivalence of the 2 preparations.The occurrence of all adverse events was also recorded to evaluate the safety.Results The main pharmacokinetic parameters of total ezetimibe in the plasma of the test and the reference after a single fasted administration:Cmax were(118.79±35.30)and(180.79±51.78)nmol·mL-1;tmax were 1.40 and 1.04 h;t1/2 were(15.33±5.57)and(17.38±7.24)h;AUC0-t were(1 523.90±371.21)and(1 690.99±553.40)nmol·mL-1·h;AUC0-∞ were(1 608.70±441.28),(1 807.15±630.00)nmol·mL-1·h.The main pharmacokinetic parameters of total ezetimibe in plasma of test and reference after a single meal:Cmax were(269.18±82.94)and(273.93±87.78)nmol·mL-1;Tmax were 1.15 and 1.08 h;t1/2 were(22.53±16.33)and(16.02±5.84)h;AUC0_twere(1 463.37±366.03),(1 263.96±271.01)nmol·mL-1·h;AUC0-∞ were(1 639.01±466.53),(1 349.97±281.39)nmol·mL-1·h.The main pharmacokinetic parameters Cmax,AUC0-tand AUC0-∞ of the two preparations were analyzed by variance analysis after logarithmic transformation.In the fasting administration group,the 90%CI of the log-transformed geometric mean ratios were within the bioequivalent range for the remaining parameters in the fasting dosing group,except for the Cmax of ezetimibe and total ezetimibe,which were below the lower bioequivalent range.The Cmax of ezetimibe,ezetimibe-glucuronide,and total ezetimibe in the postprandial dosing group was within the equivalence range,and the 90%CI of the remaining parameters were not within the equivalence range for bioequivalence.Conclusion This test can not determine whether the test preparation and the reference preparation of ezetimibe tablets have bioequivalence,and further clinical trials are needed to verify it.
7.XEN drainage tube implantation combined with mitomycin C for open angle glaucoma
Rumeng ZHAO ; Huiling CUI ; Jing REN ; Di WANG ; Haijun LI
International Eye Science 2024;24(6):965-969
AIM: To investigate the clinical efficacy and safety of XEN drainage tube implantation combined with mitomycin C(MMC)for open angle glaucoma(OAG).METHODS:A total of 37 OAG patients(37 eyes)were retrospectively included, grouped by anti-glaucoma surgical treatment as the first choice or not, with 17 patients(17 eyes)in the group with primary surgical treatment, and 20 patients(20 eyes)in the group with the numerous surgeries. The intraocular pressure(IOP), kinds of IOP-lowering drugs, and complications were collected and analyzed in 1 a follow-up postoperatively.RESULTS:Upon the one-year follow-up, IOP had decreased from 27.56±9.94, 28.43±14.18 mmHg to 15.16±3.65, 17.18±5.83 mmHg in both groups, respectively, representing a reduction of 55.01% and 60.43%, respectively(t=4.863, P<0.001; t=3.255, P=0.004). The IOP at various follow up points were lower than preoperative points in both groups(Ftime=6.876, Ptime<0.001; Fintergroup=0.242, Pintergroup=0.626; Ftime×intergroup=0.959, Ptime×intergroup=0.458). The complete success rate was 47% and 45%, the qualified success rate was 76% and 75%(Z=-0.115, P=0.909), respectively, and there was no significant difference in the cumulative survival rate between two groups(χ2=0.042, P=0.838; χ2=0.004, P=0.949). At the last follow up, IOP-lowering drugs were reduced from 3(2, 3)to 1(0, 2)in both groups(Z=-3.289, -3.796, all P<0.001), and no significant difference between groups(Z=-0.581, P=0.561). Hypotony is the most common short-term complications, anterior chamber haemorrhage followed, while, filtering bleb encapsulation is the most frequent long-term complication, no serious complications occurred, but with XEN drainage tube exposure in 1 eye and drop in 1 eye.CONCLUSION:Initial XEN drainage tube implantation combined with MMC and numerous glaucoma surgeries are both safe and effective treatment for OAG patients, while the incidence of filtering bleb encapsulation is high in those with numerous glaucoma surgeries.
8.Expert opinions on operation rules of Morita therapy outpatient service
Jiangbo LI ; Zucheng WANG ; Yuhua CUI ; Yingzhi LU ; Weijie QU ; Haiyin ZHANG ; Fuqiang MAO ; Fengqing QIE ; Wanghong SHI ; Qinfeng ZHANG ; Lingyi PAN ; Ling ZHANG ; Jianzhong LI ; Guangcheng CUI ; Tongxian CHEN ; Xiuqing MA ; Wei RONG ; Jianjun ZHANG ; Qingfang ZHONG ; Yanchi ZHANG ; Boquan ZHANG ; Xinrui WANG ; Wenyou MA ; Qingtao REN ; Yongfa JING ; Huanzhong LIU ; Zhenjian YU ; Laitian ZHAO ; Tianming HAN ; Xue HAN
Chinese Mental Health Journal 2024;38(1):68-72
Morita therapy has been bom for more than 100 years.Inpatient Morita therapy is highly oper-able and easy to master.It can improve many refractory neuroses through four-stage treatment.But more neuroses are treated in outpatient clinics,and Morita therapy cannot be used in hospitalized patients.Therefore,the formula-tion of expert opinions on outpatient operations is particularly important.This paper is based on domestic and for-eign references,and after many discussions by domestic Morita therapy experts,and then drew up the first version of the expert opinions on operation of outpatient Morita therapy.Meanwhile the operation rule of Morita therapy in three stages of outpatient treatment was formulated:in the etiological analysis stage,under the theoretical guidance of Morita therapy,analyze the pathogenic factors,to improve treatment compliance and reduce resistance;during the operating stage,guide patients to engage in constructive and meaningful actions,realizing the achievement of letting nature take its course principle;in the cultivating character and enriching life stage,pay attention to positive infor-mation,expanding the scope and content of actions,improving the ability to adapt to complex life,and preventing recurrence caused by insufficient abilities.It will lay a foundation for the promotion of Morita therapy in domestic outpatient clinics,so that more patients with neurosis and other psychological diseases could receive characteristic Morita therapy treatment in outpatient clinics.
9.Efficacy and Mechanism of Lutongning Granules in Treatment of Trigeminal Neuralgia Induced by Injection of Talc into Infraorbital Foramen of Model Rats Based on P2X7R-mediated Neuroinflammation
Qiyue SUN ; Shuran LI ; Shuangrong GAO ; Shanshan GUO ; Zihan GENG ; Lei BAO ; Ronghua ZHAO ; Jingsheng ZHANG ; Bo PANG ; Yingli XU ; Yu ZHANG ; Shan CAO ; Yaxin WANG ; Xiaolan CUI ; Bing HAN ; Jing SUN
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(15):56-63
ObjectiveTo evaluate the effectiveness of Lutongning granules in the treatment of trigeminal neuralgia in animal models and study its mechanism of action, so as to provide laboratory data support for the clinical application of Lutongning granules and precise treatment. MethodMale SD rats were randomly divided into normal group, model group, carbamazepine group (0.06 g·kg-1·d-1), high-dose Lutongning group (2.70 g·kg-1·d-1), and low-dose Lutongning group (1.35 g·kg-1·d-1) according to the stratified basic mechanical pain thresholds, with 10 rats in each group. A trigeminal neuralgia model of rats was prepared by injecting 30% talc suspension into the infraorbital foramen area of the rat. The drug groups were administered 10 mL·kg-1 of drugs by gavage after 2 h of modeling. The normal group and the model group were administered distilled water by gavage under the same conditions once a day for 10 consecutive days. Von Frey brushes were used to determine the mechanical pain threshold of rats. A fully automated blood and body fluid analyzer was employed to detect the blood routine of rats. Hematoxylin and eosin (HE) staining was utilized to detect the pathological changes in the trigeminal ganglion and medulla oblongata tissue. Transmission electron microscopy was used to scan the ultrastructure of the medulla oblongata tissue. Enzyme-linked immunosorbent assay (ELISA) was used to detect the levels of inflammatory factors interleukin (IL)-1, IL-6, IL-8, tumor necrosis factor (TNF)-α, neuropeptide substance P, and β-endorphins (β-EP) in the serum of rats, and Western blot was used to detect the protein expression levels of IL-1β, purinergic receptor P2X7 (P2X7R), and phosphorylated p38 mitogen-activated protein kinase (p-p38 MAPK). ResultCompared with that in the normal group, the pain threshold of rats in the model group was significantly lower (P<0.01). The absolute value of neutrophils (NEUT#) and the percentage of neutrophils (NEUT) were significantly improved, and the percentage of lymphocytes (LYMPH) was significantly reduced (P<0.01). The serum levels of IL-1, IL-6, IL-8, and TNF-α were significantly increased (P<0.01). SP content in brain tissue was significantly increased, and β-EP content was significantly decreased (P<0.01). The relative protein expression of IL-1β, P2X7R, and p-p38 MAPK was significantly increased (P<0.05). HE staining and transmission electron microscopy results of medulla oblongata tissue revealed neuronal degeneration, mild proliferation of microglial cells, reduction in the number of myelinated nerves, and obvious demyelination. The trigeminal nerve fibers of rats were disarranged, and some nerve fibers showed vacuolization. Axons were swollen, and Schwann cells proliferated. Demyelination was observed. Compared with the model group, each administration group significantly increased the pain threshold of rats (P<0.05, P<0.01), reduced NEUT# and NEUT, and elevated LYMPH (P<0.05, P<0.01). The administration group significantly decreased the levels of IL-1, IL-6, IL-8, and TNF-α in serum and SP in brain tissue (P<0.01) and increased the level of β-EP (P<0.01). They significantly down-regulated the protein expression of IL-1β, P2X7R, and p-p38 MAPK(P<0.05, P<0.01) and significantly ameliorated the pathological changes in medulla oblongata tissue and trigeminal nerves of rats. ConclusionLutongning Granules had significant therapeutic effects on trigeminal neuralgia induced by injection of talc into the infraorbital foramen of model rats, and the mechanism may be related to amelioration of P2X7R-mediated neuroinflammation and inhibition of demyelination of myelinated nerves.
10.Meta-analysis of Efficacy and Safety of Intrawound Vancomycin Powder for Preventing Surgical Site Infections in Total Knee and Total Hip Arthroplasty
Jiawei HE ; Jing WANG ; Yang WANG ; Baochao JI ; Xinyu REN ; Jun ZHAO
Chinese Journal of Modern Applied Pharmacy 2024;41(6):812-822
OBJECTIVE
To systematically evaluate the efficacy and safety of intrawound vancomycin powder for preventing surgical site infections in total knee and total hip arthroplasty.
METHODS
Computer retrieval of PubMed, Embase, Web of Science, the Cochrane Library, CNKI, Wanfang Database, Chinese Biomedical Literature Database, The clinical research about intrawound vancomycin in total knee arthroplasty(TKA) and total hip arthroplasty(THA) for the prevention of surgical site infections were screened. The quality of included studies was assessed using the Cochrane risk bias assessment tool and the Newcastle-Ottawa Scale. Meta-analysis was performed using RevMan 5.4 software.
RESULTS
Finally, 20 literature were included, including 1 prospective randomized controlled trial, 2 prospective cohort study, and 17 retrospective cohort study, with a total of 34900 patients. Meta-analysis showed that interventional group had a decreased tolal rate of prosthetic joint infection(PJI)[OR=0.44, 95%CI(0.35−0.56), P<0.000 01] and superficial infection[OR=0.27, 95%CI(0.19−0.41), P<0.000 01]compared with control group. Subgroup analysis showed that TKA and THA, primary and revision patients who received intrawound vancomycin had lower rates of PJI, the differences were statistical significance(P<0.05). Meta-analysis of 11 studies reported adverse reaction suggested that the total rate of adverse reactions in the intervention group(7.68%) was higher than that in the control group(5.68%) with significant differences[OR=1.47, 95%CI(1.14−1.89), P=0.003)].
CONCLUSION
The current literature suggests that intrawound vancomycin can decrease the rate of PJI and superficial infection in primary and revision TKA and THA , however, it may increase risk of aseptic wound complications and other adverse reaction.


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