scholarly journals Meta-analysis of Glutamine on Immune Function and Post-Operative Complications of Patients With Colorectal Cancer

2021 ◽  
Vol 8 ◽  
Author(s):  
Tao Yang ◽  
Xuhong Yan ◽  
Yibo Cao ◽  
Tiantian Bao ◽  
Guangsong Li ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Immune Function ◽  
Anastomotic Leakage ◽  
Meta Analysis ◽  
Pooled Analysis ◽  
Small Sample ◽  
Cochrane Library ◽  
Control Group ◽  
Operative Complications ◽  
Post Operative Complications

The aim of this meta-analysis was to evaluate the clinical significance of glutamine in the management of patients with colorectal cancer (CRC) after radical operation. Electronic databases, including PubMed, EMBASE, MEDLINE, Cochrane Library, Chinese Biomedical Database (CBM), China National Knowledge Infrastructure (CNKI), VIP medicine information system (VIP), and Wanfang electronic databases were comprehensively searched from inception to 30, July 2021. Prospective randomized trials with glutamine vs. routine nutrition or blank therapy were selected. The immune function related indicators (including IgA, IgG, IgM, CD4+, CD8+, and the ratio of CD4+/CD8+), post-operative complications [including surgical site infection (SSI), anastomotic leakage, and length of hospital stay (LOS)], and corresponding 95% confidence intervals (CIs) were assessed in the pooled analysis. Subsequently, the heterogeneity between studies, sensitivity, publication bias, and meta-regression analysis were performed. Consequently, 31 studies which contained 2,201 patients (1,108 in the glutamine group and 1,093 in the control group) were included. Results of pooled analysis indicated that glutamine significantly improved the humoral immune function indicators [including IgA (SMD = 1.15, 95% CI: 0.72–1.58), IgM (SMD = 0.68, 95% CI: 0.48–0.89), and IgG (SMD = 1.10, 95% CI: 0.70–1.50)], and the T cell immune function indicators [including CD4+ (SMD = 0.76, 95% CI: 0.53–0.99) and the ratio of CD4+/CD8+ (SMD = 0.92, 95% CI: 0.57–1.28)]. Meanwhile, the content of CD8+ was decreased significantly (SMD = −0.50, 95% CI: −0.91 to −0.10) followed by glutamine intervention. Pooled analysis of SSI (RR = 0.48, 95% CI: 0.30–0.75), anastomotic leakage (RR = 0.23, 95% CI: 0.09–0.61), and LOS (SMD = −1.13, 95% CI: −1.68 to −0.58) were decreased significantly in glutamine group compared with control group. Metaregression analysis revealed that the covariate of small-sample effects influenced the robustness and reliability of IgG outcome potentially. Findings of the present work demonstrated that glutamine ought to be applied as an effective immunenutrition therapy in the treatment of patients with CRC after radical surgery. The present meta-analysis has been registered in PROSPERO (no. CRD42021243327).Systematic Review Registration:https://www.crd.york.ac.uk/PROSPERO, Identifier: CRD42021243327.

scholarly journals Butorphanol effectively prevents etomidate-induced myoclonus: a pooled analysis of 788 patients

2018 ◽  
Vol 47 (1) ◽  
pp. 353-360
Author(s):  
Yu Zhu ◽  
Chengmao Zhou ◽  
Qixiong He
Keyword(s):  
Randomized Controlled Trials ◽  
Meta Analysis ◽  
Pooled Analysis ◽  
Cochrane Library ◽  
Control Group ◽  
Controlled Trials ◽  
Anesthesia Induction ◽  
Randomized Controlled

Objective To evaluate the efficacy of pre-injection of butorphanol on etomidate-induced myoclonus during anesthesia induction. Methods Randomized controlled trials (RCTs) of the ability of butorphanol to prevent etomidate-induced myoclonus were collected by searching PubMed, Cochrane Library, CNKI, and WanFang databases, from the day of database establishment until May 2017. The literature was screened independently by two evaluators, and the data were then extracted and independently evaluated. Finally, meta-analysis was performed by using RevMan 5.2 software. Results Eight RCTs were analyzed. The results of meta-analysis showed that: 1. compared with the control group, butorphanol was effective in preventing etomidate-induced myoclonus [RR = 0.15, 95% CI: 0.11, 0.21]; 2. butorphanol was effective in preventing mild, moderate, and severe etomidate-induced myoclonus [RR = 0.40, 95% CI: 0.25, 0.63; RR = 0.15, 95% CI: 0.08, 0.27; and RR = 0.04, 95% CI: 0.01, 0.09]; 3. butorphanol did not increase the incidence of dizziness and nausea associated with etomidate. Conclusions Butorphanol could reduce the incidence and degree of etomidate-induced myoclonus. Notably, it did not increase the incidence of dizziness and nausea associated with etomidate.

scholarly journals Efficacy and Toxicity Profile of Elotuzumab for Multiple Myeloma: A Systematic Review and Meta-Analysis

Blood ◽  
2018 ◽  
Vol 132 (Supplement 1) ◽  
pp. 5640-5640
Author(s):  
Faiza Jamil ◽  
Madeeha Shafqat ◽  
Sharoon Samuel ◽  
Zunairah Shah ◽  
Ceren Durer ◽  
...  
Keyword(s):  
Multiple Myeloma ◽  
Clinical Trials ◽  
Adverse Events ◽  
Meta Analysis ◽  
Single Agent ◽  
Random Effect Model ◽  
Drug Regimen ◽  
Pooled Analysis ◽  
Cochrane Library ◽  
Control Group

Abstract Background: Elotuzumab (elo) is a humanized monoclonal antibody, which has been approved by the FDA for use in combination with lenalidomide (lena) and dexamethasone (dexa) in patients (pts) with relapsed and refractory multiple myeloma (RRMM). Elotuzumab is effective as a single agent, as well as in combination for multiple myeloma treatments, supporting the use of elo in pts with RRMM and newly diagnosed multiple myeloma (NDMM) pts. Method: After review of literature using database searches was done on 6/27/18 (Pubmed, Embase, Cochrane Library, Web of Science and Clinical Trials.gov), 9 prospective and 1 retrospective study with 1128 enrolled pts met the inclusion criteria to date in RRMM and 2 clinical trials including 123 pts in NDMM (Table 1). CMA software v.3 was used for meta-analysis. A random-effect model was applied. Result: Regimens used in RRMM: Based on pooled analysis (95% CI), an overall response rate (ORR) of 66% (54-76.2) was calculated in 685 evaluable pts treated with elo based regimens in RRMM (Figure 1). Most common grade (G) ≥ 3 hematological adverse events (HAE) and non-hematological adverse events (NHAE) based on regimen were calculated using pooled analysis in RRMM pts (Table 2). Anemia was noted in 12.1% ( 7.7-18.6) in 559 pts, while neutropenia in 14.5% (7.5-26.4) out of 591 pts and thrombocytopenia (tcp) in 11.9% (7.9-17.4) in 198 evaluable pts. Diarrhea 5.5% (3.6-8.3), pyrexia 2.4% (1.5-4), peripheral neuropathy (PN) 8.4% (3.8-17.8) were measured in 626, 668 and 143 pts respectively. Elotuzumab as monotherapy: 1 study (n=34) evaluated the efficacy of elo as single agent in RRMM. The median age, time from diagnosis and number of prior therapies were 64.5 years (y) (46-87), 4.4 y (0.9-12.8) and 4.5 y (2-10) respectively. It produced an ORR of 1.4% (0.1-19.1 95% CI) in 34 evaluable pts. Adverse events recorded were pyrexia and fatigue in 17.6% and 8.8% pts respectively. Elotuzumab in two drug regimen: In RRMM, 2 clinical trials (n=49) evaluated the efficacy (95% CI) of elo, ORR of 25% (4.1-72.3) was calculated. The best PFS (progression free survival) produced was in combination of elo 20 mg with bortezumib (bort) 1.3mg/m2 of 9.46 months as compared to 1.8 months when elo10mg/kg + dexamethasone (dexa) 28mg was used. In our analysis for safety, common G≥ 3 HAE calculated were, thrombocytopenia 8.7% (3.3-21.1) n=49, neutropenia 10.7 % (3.5-28.4) n=28 pts and anemia 7.1% (1.8-24.5) n=28 pts. NHAE included diarrhea 1.7% (0.1-22.3), PN 10.7% (3.5-28.4), pyrexia 1.7% (0.1-22.3) in 28 evaluable pts each. Elotuzumab in three drug regimen: In RRMM, 10 clinical trials including 602 pts evaluated the efficacy of elo as a part of triple drug regimen, producing an ORR of 72.2% (54-76.2). The best results were produced with the combination of elo 10-20mg/kg + lenalidomide (lena) 25mg + dexa 40mg producing a PFS of 32.2 mo and 28.62 mo in its phase I and II cohorts respectively. Based on pooled analysis (95% CI) common HAE calculated were neutropenia 17.5% (7.6-35.4) in n=563, thrombocytopenia 12.7% (8.2-19.4) in n=149 and anemia 13% (8-20.5) in n=531 pts. Common G ≥ 3 NHAE estimated were diarrhea 5.7% (3.7-8.6), PN 6.6% (2-19.2), pyrexia 2.5% (1.5-4.1) in 598, 115 and 640 pts respectively. Elotuzumab based regimen in NDMM: A currently ongoing clinical trial NCT02272803 has produced promising results in NDMM pts. As a part of three drug regimen with dose of elo 10mg/kg-20mg/kg, lena 25mg, dexa 20mg in 40 pts produced an ORR of 87.5% (73.2-95.8) versus control group of lena 25mg plus dexa 40mg in 42 pts with an ORR of 73.8% (58-86.1). The PFS rate recorded at 1 year was 93% (79-98%) and 91% (73-97%) respectively. The HAE G ≥ 3 included, neutropenia 18% and leukopenia 15%. In another study with 41 pts, elo was used in combination with lena, bort and dexa producing an ORR of 100% and greater than grade 3 adverse events including Tcp 15%, PN 2%. Conclusion: Results produced in our study suggest that elotuzumab is highly effective when used in pts with RRMM and NDMM. Combination regimens for elo produces an ORR ranging from 79-83% with elo + lena+ dexa, proving that the best results were produced by three drug regimens. Large prospective studies are required to evaluate efficacy and safety of elotuzumab in combination therapies. Disclosures No relevant conflicts of interest to declare.

Meta-Analysis on the Efficacy of Indocyanine Green Fluorescence Angiography for Reduction of Anastomotic Leakage After Rectal Cancer Surgery

2020 ◽  
pp. 000313482098284
Author(s):  
Zonglin Li ◽  
Yejiang Zhou ◽  
Gang Tian ◽  
Yi Liu ◽  
Yifan Jiang ◽  
...  
Keyword(s):  
Rectal Cancer ◽  
Indocyanine Green ◽  
Anastomotic Leakage ◽  
Operation Time ◽  
Pooled Analysis ◽  
Fluorescence Angiography ◽  
Cochrane Library ◽  
Control Group ◽  
Significant Heterogeneity ◽  
Colorectal Anastomoses

Background Indocyanine green (ICG) fluorescence angiography is a new technique that help surgeons to assess the blood perfusion of the anastomotic intestine. The aim of this study is to evaluate whether ICG fluorescence angiography can reduce the anastomotic leakage (AL) rate after colorectal anastomoses for rectal cancer (RC) patients. Methods Studies comparing AL rates between use and nonuse of ICG fluorescence angiography up to April 2020 were systematically searched from PubMed, Embase, Web of Science, Cochrane Library, and China National Knowledge Infrastructure. A pooled analysis was performed for the available data regarding the baseline features, AL rate, and other surgical outcomes. ReMan 5.3 software was used to perform the statistical analysis. Quality evaluation and publication bias were also conducted. Results Thirteen studies with a total of 2593 patients (1121 in the ICG group and 1472 in the control group) undergoing colorectal anastomoses after RC surgery were included. In the pooled analysis, the baseline data, operation time, and intraoperative blood loss in 2 groups were all comparable and without significant heterogeneity. However, the AL rate in the ICG group was significantly lower (OR .31; 95% CI .22-.44; P < .00001) than that in the control group. Additionally, ICG fluorescence angiography was associated with a decreased overall complication rate (OR .60; 95% CI .47-.76; P < .0001) in patients who undergo RC surgery. Conclusions The present study revealed that ICG fluorescence angiography reduced AL rate after colorectal anastomoses for RC patients. However, more high-quality randomized controlled trials are needed to confirm this benefit.

scholarly journals Prognostic and diagnostic value of circRNAs expression in colorectal carcinoma: a meta-analysis

2019 ◽  
Author(s):  
Jinpeng Yuan ◽  
Dongming Guo ◽  
Xinxin Li ◽  
Juntian Chen
Keyword(s):  
Colorectal Cancer ◽  
Tumor Suppressor ◽  
Noncoding Rna ◽  
Meta Analysis ◽  
Circular Rna ◽  
Diagnostic Value ◽  
Cochrane Library ◽  
Control Factor ◽  
Control Group ◽  
Potential Biomarker

Abstract Background: Circular RNA (circRNAs) is a new star in the network of noncoding RNA, regarded as a key control factor in numerous tumors. The purpose of our study was to evaluate the clinical, prognostic and diagnostic role of circRNAs in colorectal cancer. And all the articles were qualified by the Newcastle‐Ottawa Scale. Methods: An online search of electronic databases, including PubMed, the Cochrane Library and Web of Science online databases, was conducted to identify as many relevant papers as possible. Nineteen relevant studies were enrolled in this meta-analysis, with seven on diagnosis, eight on prognosis and 11 on clinicopathological features. Results: Diagnostic value of pooled results showed that the area under the curve (AUC) was 0.82, from the control group to identify the sensitivity of the patients with colorectal cancer was 83%, specificity of 72%. In terms of prognostic role, carcinogenic circRNAs has a negative effect on overall survival (OS: HR = 2.29, 95% CI: 1.50-3.52), tumor suppressor circRNAs expression increase associated with longer survival (OS: HR = 0.37, 95% CI: 0.22-0.64). On the clinical characteristics, highly carcinogenic circular RNA expression and abnormal adverse clinical outcomes. The consequences of the tumor suppressor circular RNA, however, are completely opposite.Conclusions: These results suggested that circRNAs may be a potential biomarker for the diagnosis and prognosis of colorectal cancer.Keywords: circular RNA, colorectal cancer, diagnosis, prognosis

scholarly journals Hypertension Induced by Combination Therapy of Cancer: A Systematic Review and Meta-Analysis of Global Clinical Trials

2021 ◽  
Vol 12 ◽  
Author(s):  
Xiaodan Guo ◽  
Xiaoyu Qian ◽  
Ying Jin ◽  
Xiangyi Kong ◽  
Zhihong Qi ◽  
...  
Keyword(s):  
Combination Therapy ◽  
Cancer Treatment ◽  
Cancer Patients ◽  
Meta Analysis ◽  
Combined Treatment ◽  
Small Sample ◽  
Cochrane Library ◽  
Control Group ◽  
Combination Therapies ◽  
Multiple Cancer

Background: Nowadays, due to the limitation of single therapy, combination therapy for cancer treatments has become important strategy. With the advancement of research on cardiotoxicities induced by anti-cancer treatment, among which cancer treatment-induced hypertension is the most frequent case. However, due to the small sample size and the absence of comparison (single-arm study alone), these studies have limitations to produce a feasible conclusion. Therefore, it is necessary to carry out a meta-analysis focusing on hypertension caused by cancer combination therapy.Methods: We systematically searched PubMed, Embase, Cochrane Library, Web of Science, and CNKI, from database inception to November 31, 2020, with randomized controlled trials (RCTs) associated with hypertension induced by cancer combination drugs. The main endpoint of which was to assess the difference in the incidence of hypertension in cancer patients with monotherapy or combination therapy. We calculated the corresponding 95% confidence interval (95% CIs) according to the random effect model and evaluated the heterogeneity between different groups.Results: According to the preset specific inclusion and exclusion criteria, a total of 23 eligible RCTs have been included in the present meta-analysis, including 6,241 patients (Among them, 2872 patients were the control group and 3369 patients were the experimental group). The results showed that cancer patients with combination therapy led to a higher risk of hypertension (All-grade: RR 2.85, 95% CI 2.52∼3.22; 1∼2 grade: RR 2.43, 95% CI 2.10∼2.81; 3∼4 grade: RR 4.37, 95% CI 3.33∼5.72). Furthermore, compared with the control group who received or did not receive a placebo, there was a higher risk of grade 3-4 hypertension caused by cancer combination treatment.Conclusion: The present meta-analysis carries out a comprehensive analysis on the risk of patients suffering from hypertension in the process of multiple cancer combination therapies. Findings in our study support that the risk of hypertension may increase significantly in cancer patients with multiple cancer combination therapies. The outcomes of this meta-analysis may provide a reference value for clinical practice and may supply insights in reducing the incidence of hypertension caused by cancer combined treatment.

scholarly journals Effects of Microbiota-Driven Therapy on Circulating Trimethylamine-N-Oxide Metabolism: A Systematic Review and Meta-Analysis

2021 ◽  
Vol 8 ◽  
Author(s):  
Lina Miao ◽  
Jianpeng Du ◽  
Zhuhong Chen ◽  
Dazhuo Shi ◽  
Hua Qu
Keyword(s):  
Systematic Review ◽  
Small Sample Size ◽  
Meta Analysis ◽  
Intervention Group ◽  
Small Sample ◽  
Current Evidence ◽  
Cochrane Library ◽  
Control Group ◽  
Bias Analysis ◽  
Betaine Aldehyde

Aim: This study was designed to systematically evaluate the effects of microbiota-driven therapy on decreasing TMAO and its related metabolites.Methods and Results: PubMed, EMBASE and Cochrane Library databases were searched (up to July 2021). Randomized controlled trials (RCTs), compared microbiota-driven therapy (prebiotics, probiotics, or synbiotics) with placebo on decreasing TMAO and its related metabolites, were eligible. Two researchers extracted the data independently and the disagreement was resolved by a third researcher. The risk of bias of included study was evaluated using Cochrane tool (RoB 2.0). Meta-analysis, meta-regression analysis and publication bias analysis were performed by RevMan 5.3 or Stata 12.0 software. Ten studies (12 arms) involving 342 patients (168 patients in the intervention group and 174 patients in the control group) were included. Compared with the control group, microbiota-driven therapy did not reduce circulating TMAO [SMD = −0.05, 95% CI (−0.36, 0.26), P = 0.749], choline [SMD = −0.34, 95% CI (−1.09, 0.41), P = 0.373], betaine aldehyde [SMD = −0.704, 95% CI (−1.789, 0.382), P = 0.204], and L-carnatine [SMD = −0.06, 95% CI (−0.38, 0.25), P = 0.692].Conclusion: Current evidence does not support that microbiota-driven treatment reduce circulating levels of TMAO, choline, betaine aldehyde, and L-carnitine. However, given the small sample size, this conclusion needs to be proved in the future.Systematic Review Registration: PROSPERO:CRD42019119107.

scholarly journals XRCC2 Arg188His polymorphism and colorectal cancer risk: a meta-analysis

2021 ◽  
Vol 49 (10) ◽  
pp. 030006052110394
Author(s):  
Zhiyu Wang ◽  
Yaning Wei ◽  
Lin An ◽  
Chenglin Xi ◽  
Kunjie Wang ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Risk Factor ◽  
Cancer Risk ◽  
Confidence Intervals ◽  
Sequential Analysis ◽  
Meta Analysis ◽  
Pooled Analysis ◽  
Cochrane Library ◽  
Trial Sequential Analysis ◽  
X Ray

Objective To investigate the potential correlation between the Arg188His (rs3218536) polymorphism of X-ray repair cross-complementing 2 ( XRCC2) and colorectal cancer (CRC) risk, as the association remains unclear. Methods The CNKI, PubMed, EMBASE and Cochrane library databases were systematically searched for relevant studies published up to July 2021. Data were extracted from included studies, and analysed for pooled or subgroup odds ratios (ORs) with 95% confidence intervals (CIs) using STATA 12.0 software. Results Seven published studies were included. Pooled analysis revealed that the XRCC2 Arg188His polymorphism was associated with increased CRC risk (His versus Arg: OR 1.14, 95% CI 1.01, 1.29). Trial Sequential Analysis to test the power of the results showed that they were unreliable and the meta-analysis required additional studies. Conclusion The current meta-analysis suggests that the XRCC2 Arg188His polymorphism may be a risk factor for CRC.

scholarly journals EXPRESS: Stroke risk following traumatic brain injury: systematic review and meta-analysis

2021 ◽  
pp. 174749302110042
Author(s):  
Grace Mary Turner ◽  
Christel McMullan ◽  
Olalekan Lee Aiyegbusi ◽  
Danai Bem ◽  
Tom Marshall ◽  
...  
Keyword(s):  
Systematic Review ◽  
Stroke Risk ◽  
Meta Analysis ◽  
Vitamin K Antagonists ◽  
Cochrane Library ◽  
Control Group ◽  
Large Sample Size ◽  
Hazard Ratios ◽  
Increased Risk ◽  
The Cochrane Library

Aims To investigate the association between TBI and stroke risk. Summary of review We undertook a systematic review of MEDLINE, EMBASE, CINAHL, and The Cochrane Library from inception to 4th December 2020. We used random-effects meta-analysis to pool hazard ratios (HR) for studies which reported stroke risk post-TBI compared to controls. Searches identified 10,501 records; 58 full texts were assessed for eligibility and 18 met the inclusion criteria. The review included a large sample size of 2,606,379 participants from four countries. Six studies included a non-TBI control group, all found TBI patients had significantly increased risk of stroke compared to controls (pooled HR 1.86; 95% CI 1.46-2.37). Findings suggest stroke risk may be highest in the first four months post-TBI, but remains significant up to five years post-TBI. TBI appears to be associated with increased stroke risk regardless of severity or subtype of TBI. There was some evidence to suggest an association between reduced stroke risk post-TBI and Vitamin K antagonists and statins, but increased stroke risk with certain classes of antidepressants. Conclusion TBI is an independent risk factor for stroke, regardless of TBI severity or type. Post-TBI review and management of risk factors for stroke may be warranted.

scholarly journals Impact of interstitial lung disease on mortality in ANCA-associated vasculitis: A systematic literature review and meta-analysis

2021 ◽  
Vol 18 ◽  
pp. 147997312199456
Author(s):  
Peining Zhou ◽  
Jing Ma ◽  
Guangfa Wang
Keyword(s):  
Systematic Review ◽  
Interstitial Lung Disease ◽  
Confidence Interval ◽  
Lung Disease ◽  
Mortality Risk ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Control Group ◽  
Anca Associated Vasculitis ◽  
Retrospective Cohort Studies

Several retrospectivee described the association of interstitial lung disease (ILD) and ANCA-associated vasculitis (AAV). However, the relationship between the ILD and mortality in AAV patients have not been established so far. This study aims to estimate the relevance of AAV-associated-ILD (AAV-ILD) and mortality risk by conducting a systematic review and meta-analysis.A comprehensive systematic review was conducted in accordance with the guidelines of PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-analyses). PubMed, Embase.com and the Cochrane Library (Wiley) were searched for original observational studies. Summary estimates were derived with a random-effects model and reported as risk ratio (RR), tested for publication bias and heterogeneity. Ten retrospective cohort studies were included, comprising 526 AAV-ILD patients enrolled from 1974 to 2018. Meta-analysis yielded a pooled RR of 2.90 (95% confidence interval 1.77–4.74) for death among those with AAV-ILD compared to control group. UIP pattern was associated with an even poorer prognosis in comparison to non-UIP pattern (RR 4.36, 95% confidence interval 1.14–16.78). Sensitivity analysis suggested that the meta-RR result was not skewed by a single dominant study. ILD might be associated with a higher mortality risk in AAV patients.

scholarly journals Association between serum visfatin levels and psoriasis and their correlation with disease severity: a meta-analysis

2021 ◽  
Vol 49 (3) ◽  
pp. 030006052110023
Author(s):  
Qian Zou ◽  
Jiawei Si ◽  
Yatao Guo ◽  
Jiayu Yu ◽  
Huijuan Shi
Keyword(s):  
Body Mass Index ◽  
Meta Analysis ◽  
Severity Index ◽  
Cochrane Library ◽  
Control Group ◽  
Inclusion Criteria ◽  
Subgroup Analyses ◽  
Mean Differences ◽  
The Cochrane Library ◽  
Psoriasis Severity

Objective To determine the association between serum visfatin levels and psoriasis and to evaluate the correlation between serum visfatin levels and the severity of psoriasis. Methods The electronic databases PubMed®, Embase® and the Cochrane Library were searched for articles published from inception to 1 May 2020. Data were extracted and then standard mean differences (SMDs) and 95% confidence intervals (CIs) were calculated for pooled estimates. Results A total of 11 studies met the inclusion criteria and were included (448 patients diagnosed with psoriasis and 377 controls). This meta-analysis demonstrated that patients with psoriasis had significantly higher levels of visfatin than the controls (SMD = 0.90, 95% CI 0.52, 1.28). Subgroup analyses showed that differences in serum visfatin levels between the patient group and the control group were associated with ethnicity, Psoriasis Area and Severity Index (PASI) and body mass index. Additionally, a meta-analysis of correlations showed that visfatin levels in patients with psoriasis were positively correlated with PASI ( r = 0.51, 95% CI 0.14, 0.75). Conclusions This meta-analysis showed that serum visfatin levels in patients with psoriasis were significantly higher than those in the controls and a positive correlation between serum visfatin levels and psoriasis severity was observed.

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