scholarly journals The Protective Effect of Dexmedetomidine Against Ischemia-Reperfusion Injury after Hepatectomy: A Meta-Analysis of Randomized Controlled Trials

2021 ◽  
Vol 12 ◽  
Author(s):  
Ya-Qun Huang ◽  
Rui-Ting Wen ◽  
Xiao-Tong Li ◽  
Jiao Zhang ◽  
Zhi-Ying Yu ◽  
...  
Keyword(s):  
Protective Effect ◽  
Randomized Controlled Trials ◽  
Ischemia Reperfusion ◽  
Meta Analysis ◽  
Postoperative Recovery ◽  
Risk Of Bias ◽  
Cochrane Library ◽  
Controlled Trials ◽  
Remnant Liver ◽  
Randomized Controlled

Background: Hepatic inflow occlusion proceeded to reduce blood loss during hepatectomy induces ischemia-reperfusion (IR) injury in the remnant liver. Dexmedetomidine, a selective α2-adrenoceptor agonist used as an anesthetic adjuvant, has been shown to attenuate IR injury in preclinical and clinical studies. However, a meta-analysis is needed to systematically evaluate the protective effect of perioperative dexmedetomidine use on IR injury induced by hepatectomy.Methods: A prospectively registered meta-analysis following Cochrane and PRISMA guidelines concerning perioperative dexmedetomidine use on IR injury after hepatectomy was performed via searching Cochrane Library, PubMed, EMBASE, ClinicalTrials.gov, Web of Science, CNKI, WanFang, and Sinomed for eligible randomized controlled trials up to 2021.3.31. The main outcome is postoperative liver function. Risk of bias was assessed by the Cochrane Risk of Bias tool. Review Manager 5.3 and Stata12.0 were applied to perform data analyses.Results: Eight RCTs enrolling 468 participants were included. Compared with 0.9% sodium chloride, dexmedetomidine decreased serum concentration of ALT (WMD = −66.54, 95% CI: −92.10–−40.98), AST (WMD= −82.96, 95% CI: −106.74–−59.17), TBIL (WMD = −4.51, 95% CI: −7.32–−1.71), MDA (WMD = −3.09, 95% CI: −5.17–−1.01), TNF-α (WMD = −36.54, 95% CI: −61.33–−11.95) and IL-6 (WMD = −165.05, 95% CI: −225.76–−104.34), increased SOD activity (WMD = 24.70, 95% CI: 18.09–31.30) within postoperative one day. There was no significant difference in intraoperative or postoperative recovery parameters between groups.Conclusions: Perioperative administration of dexmedetomidine can exert a protective effect on liver IR injury after hepatectomy. Additional studies are needed to further evaluate postoperative recovery outcomes of dexmedetomidine with different dosing regimens.

scholarly journals Adjuvant Transarterial Chemoembolization Following Curative-Intent Hepatectomy Versus Hepatectomy Alone for Hepatocellular Carcinoma: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Cancers ◽  
2021 ◽  
Vol 13 (12) ◽  
pp. 2984
Author(s):  
Stepan M. Esagian ◽  
Christos D. Kakos ◽  
Emmanouil Giorgakis ◽  
Lyle Burdine ◽  
J. Camilo Barreto ◽  
...  
Keyword(s):  
Hepatocellular Carcinoma ◽  
Systematic Review ◽  
Randomized Controlled Trials ◽  
Transarterial Chemoembolization ◽  
Meta Analysis ◽  
Risk Of Bias ◽  
Cochrane Library ◽  
Controlled Trials ◽  
Curative Intent ◽  
Randomized Controlled

The role of adjuvant transarterial chemoembolization (TACE) for patients with resectable hepatocellular carcinoma (HCC) undergoing hepatectomy is currently unclear. We performed a systematic review of the literature using the MEDLINE, Embase, and Cochrane Library databases. Random-effects meta-analysis was carried out to compare the overall survival (OS) and recurrence-free survival (RFS) of patients with resectable HCC undergoing hepatectomy followed by adjuvant TACE vs. hepatectomy alone in randomized controlled trials (RCTs). The risk of bias was assessed using the Risk of Bias 2.0 tool. Meta-regression analyses were performed to explore the effect of hepatitis B viral status, microvascular invasion, type of resection (anatomic vs. parenchymal-sparing), and tumor size on the outcomes. Ten eligible RCTs, reporting on 1216 patients in total, were identified. The combination of hepatectomy and adjuvant TACE was associated with superior OS (hazard ratio (HR): 0.66, 95% confidence interval (CI): 0.52 to 0.85; p < 0.001) and RFS (HR: 0.70, 95% CI: 0.56 to 0.88; p < 0.001) compared to hepatectomy alone. There were significant concerns regarding the risk of bias in most of the included studies. Overall, adjuvant TACE may be associated with an oncologic benefit in select HCC patients. However, the applicability of these findings may be limited to Eastern Asian populations, due to the geographically restricted sample. High-quality multinational RCTs, as well as predictive tools to optimize patient selection, are necessary before adjuvant TACE can be routinely implemented into standard practice. PROSPERO Registration ID: CRD42021245758.

scholarly journals Efficacy of remdesivir versus placebo for the treatment of COVID-19: A protocol for systematic review and meta-analysis of randomized controlled trials

2020 ◽  
Author(s):  
Desye Gebrie ◽  
Desalegn Getnet ◽  
Tsegahun Manyazewal
Keyword(s):  
Systematic Review ◽  
Randomized Controlled Trials ◽  
Meta Analysis ◽  
Antiviral Drug ◽  
Risk Of Bias ◽  
Cochrane Library ◽  
Controlled Trials ◽  
Significant Heterogeneity ◽  
List Type ◽  
Randomized Controlled

AbstractBackgroundIn spite of the global containment on prevention efforts, the spread of coronavirus disease 2019 (COVID-19) is continuing to rise, with 1.1 million confirmed cases and 60,124 deaths recorded worldwide since 04 April 2020. The outbreak has a significant threat to international health and economy. At present, there is no approved vaccine or treatment for the disease, while efforts are underway. Remdesivir, a nucleotide-analogue antiviral drug developed for Ebola, is determined to prevent and stop infections with COVID-19, while results are yet controversial. Here, we aim to conduct a systematic review and meta-analysis of randomized controlled trials to compare the effectiveness of remdesivir and placebo in patients with COVID-19.Method and analysisWe will search MEDLINE-PubMed, Embase, Cochrane Library, ClinicalTrials.gov, and Google scholar databases without restriction in year of publication. We will include randomized controlled trials that assessed the effectiveness of remdesivir versus placebo for patients confirmed with COVID-19. We will follow the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA 2015) guidelines for the design and reporting of the results. The primary endpoint will be time to clinical recovery. The secondary endpoints will be all cause mortality, discharged date, frequency of respiratory progression, and treatment-emergent adverse events. Two independent authors will perform study selection, data extraction, and methodology quality assessment. RevMan 5.3 software will be used for statistical analysis. Random/fixed effect model will be carried out to calculate mean differences for continuous outcomes and risk ratio for dichotomous outcomes between remdesivir and placebo.Ethics and disseminationThis study does not require ethical approval, because no participant’s data will be involved in this systematic review and meta-analysis. The findings of this study will be published in reputable and peer-reviewed journal.RegistrationThis review protocol is submitted in PROSPERO database for registration and we will include the registration number in the revised version of the manuscript.Strengths and limitations of this study➣This systematic review and meta-analysis will be derived from only randomized controlled trials which will increase the quality of evidences.➣This systematic review and meta-analysis will be derived from only randomized controlled trials which will reduce between study heterogeneity.➣Subgroup and sensitivity analysis will be carried out to identify possible reasons that may cause significant heterogeneity between studies.➣The use of Cochrane risk of bias tool to assess risk of bias for each included studies to extract and synthesize evidence based conclusions.➣One of the limitation of this study might be the restriction of trials published in English language.

scholarly journals Are Randomized Controlled Trials on Pharmacotherapy and Psychotherapy for Positive Symptoms of Schizophrenia Comparable? A Systematic Review of Patient and Study Characteristics

2019 ◽  
Vol 46 (3) ◽  
pp. 496-504 ◽  
Author(s):  
Irene Bighelli ◽  
Claudia Leucht ◽  
Maximilian Huhn ◽  
Cornelia Reitmeir ◽  
Felicitas Schwermann ◽  
...  
Keyword(s):  
Randomized Controlled Trials ◽  
Meta Analysis ◽  
Treatment Strategies ◽  
Patient Characteristics ◽  
Risk Of Bias ◽  
Cochrane Library ◽  
Controlled Trials ◽  
Positive Symptoms ◽  
Randomized Controlled ◽  
Study Characteristics

Abstract Background We examined patient and study characteristics of pharmacotherapy and psychotherapy trials to establish whether the effects of these 2 treatment strategies can be compared meaningfully. Methods We inspected all randomized controlled trials included in 2 recent meta-analyses on antipsychotics and psychotherapy in patients with positive symptoms of schizophrenia, searching EMBASE, MEDLINE, PsycINFO, Cochrane Library, and ClinicalTrials.gov. Differences between psychotherapy and pharmacotherapy trials were analyzed with Wilcoxon–Mann–Whitney and chi-square tests. Results Eighty studies with 18 271 participants on antipsychotic drugs and 53 studies with 4068 participants on psychotherapy were included. Psychotherapy studies included less severely ill patients (P &lt; .0001), with a shorter duration of illness (P = .021), lasted for a longer period (P &lt; .0001), administered the intervention as add-on to antipsychotics (P &lt; .0001), had higher risk of bias in some domains including blinding of outcome assessment (P &lt; .0001), and were funded publicly more frequently (P &lt; .0001). Antipsychotic trials had larger sample sizes (P &lt; .0001) and more study centers (P &lt; .0001), included more males (P = .0001), inpatients (P &lt; .0001), and slightly older patients (P = .031), more often used diagnostic operationalized criteria (P = .006), and were sponsored by pharmaceutical companies. They did not differ in conflict of interest (P = .24). Conclusions We found key differences between the 2 groups of studies that encompass higher risk of bias in psychotherapy studies and the inclusion of more severe patients in drug trials. These differences imply that study and patient characteristics should be carefully taken into account before considering a network meta-analysis. In the interest of patients, psychopharmacologists and psychotherapists should optimize their treatments rather than seeing them in competition.

Electro-Acupuncture is Beneficial for Knee Osteoarthritis: The Evidence from Meta-Analysis of Randomized Controlled Trials

2017 ◽  
Vol 45 (05) ◽  
pp. 965-985 ◽  
Author(s):  
Na Chen ◽  
Jing Wang ◽  
Attilio Mucelli ◽  
Xu Zhang ◽  
Changqing Wang
Keyword(s):  
Knee Osteoarthritis ◽  
Randomized Controlled Trials ◽  
Physical Function ◽  
Pharmacological Treatment ◽  
Meta Analysis ◽  
Risk Of Bias ◽  
Cochrane Library ◽  
Controlled Trials ◽  
Great Opportunity ◽  
Randomized Controlled

Knee osteoarthritis (KOA) is a common chronic degenerative disease of the elderly. Electro-acupuncture (EA) is considered as a beneficial treatment for KOA, but the conclusion is controversial. This systematic review compiled the evidence from 11 randomized controlled trials to objectively assess the effectiveness and safety of EA for KOA. Eight databases including PubMed, Cochrane Library, Clinic trials, Foreign Medical Literature Retrial Service (FMRS), Science Direct, China National Knowledge Infrastructure (CNKI), Chinese Scientific Journal Database (VIP), and Wanfang Data were extensively searched up to 5 July 2016. The outcomes included the evaluation of effectiveness, pain and physical function. Risk of bias was evaluated according to the Cochrane risk of bias tool. Eleven RCTs with 695 participants were included. Meta-analysis indicated that EA was more effective than pharmacological treatment (RR [Formula: see text] 1.14; 95% CI [Formula: see text] 1.01,1.28; [Formula: see text]) and manual acupuncture (RR [Formula: see text] 1.12; 95% CI [Formula: see text] 1.02,1.22; [Formula: see text]). Also, EA had a more significant effect in reducing the pain intensity (SMD [Formula: see text]; 95% CI [Formula: see text]; [Formula: see text]) and improving the physical function in the perspective of WOMAC (MD [Formula: see text]; 95% CI [Formula: see text], 5.56; [Formula: see text]) and LKSS (pharmacological treatment: MD [Formula: see text]; 95% CI [Formula: see text], 6.64; [Formula: see text]). Furthermore, these studies implied that EA should be performed for at least 4 weeks. Conclusively, the results indicate that EA is a great opportunity to remarkably alleviate the pain and improve the physical function of KOA patients with a low risk of adverse reaction. Therefore, more high quality RCTs with rigorous methods of design, measurement and evaluation are needed to confirm the long-term effects of EA for KOA.

scholarly journals Effectiveness of Acupuncture for Lateral Epicondylitis: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

2020 ◽  
Vol 2020 ◽  
pp. 1-10 ◽  
Author(s):  
Yumei Zhou ◽  
Yuebao Guo ◽  
Rui Zhou ◽  
Ping Wu ◽  
Fanrong Liang ◽  
...  
Keyword(s):  
Acupuncture Therapy ◽  
Randomized Controlled Trials ◽  
Meta Analysis ◽  
Lateral Epicondylitis ◽  
Sham Acupuncture ◽  
Risk Of Bias ◽  
Cochrane Library ◽  
Controlled Trials ◽  
Efficacy Rate ◽  
Randomized Controlled

Objective. This study aimed at assessing the clinical effectiveness of acupuncture for lateral epicondylitis (LE). Methods. The following databases were systematically searched: China National Knowledge Infrastructure, Chinese Science and Technology Periodical Database, Wan Fang database, Chinese Biomedicine Literature, PubMed, EMBASE, and Cochrane Library from inception to May 2019. Randomized controlled trials (RCTs) meeting the inclusion criteria were included. RevMan 5.3 software was used to conduct meta-analyses. The study quality was evaluated with the Cochrane risk of bias. Results. Ten RCTs involving 796 individuals were included in this meta-analysis. Three studies reported randomized methods with a specific description. For the analyses of the clinical efficacy rate, acupuncture outperformed sham acupuncture (two RCTs, n = 130, P=0.15), medicine therapy (two RCTs, n = 124, P=0.02), and blocking therapy (four RCTs, n = 427, P=0.0001). For the analyses of the visual analog scale, acupuncture outperformed sham acupuncture (two RCTs, n = 92, P=0.18), medicine therapy (two RCTs, n = 144, P<0.00001), and blocking therapy (two RCTs, n = 132, P=0.03). The subgroup analyses comparing acupuncture with sham acupuncture therapy revealed heterogeneities. The follow-up information and adverse reactions were not analyzed because of the insufficient number of studies. Conclusions. Acupuncture appears to be superior to drug or blocking therapy or sham acupuncture therapy for LE. However, considering the low quality of the available trials, further large-scale RCTs with a low risk of bias are needed in the future.

scholarly journals Application of Intravenous Vitamin C in Adult Patients with Sepsis: A Meta-Analysis of Randomized Controlled Trials

2021 ◽  
Author(s):  
Han-Bing Chen ◽  
Peng Chen ◽  
Kang Li ◽  
Jun Shao
Keyword(s):  
Vitamin C ◽  
Randomized Controlled Trials ◽  
Meta Analysis ◽  
Risk Of Bias ◽  
Adult Patients ◽  
Cochrane Library ◽  
Controlled Trials ◽  
Randomized Controlled ◽  
Intravenous Vitamin ◽  
Quality Evidence

Abstract Background: The efficacy of intravenous vitamin C among sepsis patients is uncertain according to recent randomized controlled trials (RCTs). We conducted a meta-analysis to evaluate the efficacy of vitamin C application in adults with sepsis.Methods: We performed a systematic literature search in PubMed, Web of Science, Embase and the Cochrane Library. Eligible studies were RCTs that investigated the application of intravenous vitamin C in adult patients with sepsis. We assessed the risk of bias of the included studies using the Cochrane risk of bias tool and the certainty of evidence according to the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) approach, for each outcome.Results: Fourteen trials involving a total of 1823 patients were included. We found that there was no significant effect of vitamin C on 28-day mortality [risk ratio (RR) 0.87, 95% confidence interval (CI) 0.73 to 1.04, p = 0.12, TSA-adjusted CI 0.70 to 1.08, low quality evidence], but among patients who were treated with vitamin C monotherapy instead of combination therapy, the mortality was reduced (RR 0.66, 95% CI 0.49 to 0.88, p = 0.004). Vitamin C was associated with a significant improvement of 72-h ΔSOFA score (SMD = 0.20, 95% CI 0.07 to 0.32, p = 0.002, I2=11%, moderate quality evidence).Conclusions: In this meta-analysis of patients with sepsis, the use of vitamin C was not associated with reduction in 28-day mortality, but vitamin C may have a positive effect in improving organ function. As the certainty of evidence was low, Larger RCTs were needed.

scholarly journals Ischemic Preconditioning for Liver Transplantation: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

2021 ◽  
pp. 1-8
Author(s):  
Lina Jakubauskiene ◽  
Matas Jakubauskas ◽  
Philipp Stiegler ◽  
Bettina Leber ◽  
Peter Schemmer ◽  
...  
Keyword(s):  
Liver Transplantation ◽  
Mortality Rate ◽  
Randomized Controlled Trials ◽  
Ischemic Preconditioning ◽  
Ischemia Reperfusion Injury ◽  
Ischemia Reperfusion ◽  
Meta Analysis ◽  
Graft Loss ◽  
Controlled Trials ◽  
Randomized Controlled

<b><i>Background:</i></b> In recent decades, liver transplantation (LTx) has increased the survival and quality of life of patients with end-stage organ failure. Unfortunately, LTx is limited due to the shortage of donors. A lot of effort is put into finding new ways to reduce ischemia-reperfusion injury (IRI) in liver grafts to increase the number of suitable organs procured from expanded-criteria donors (ECD). The aim of this study was to systematically review the literature reporting LTx outcomes when using ischemic preconditioning (IPC) or remote ischemic preconditioning (RIPC) to reduce IRI in liver grafts. <b><i>Methods:</i></b> A literature search was performed in the MEDLINE, Web of Science, and EMBASE databases. The following combination was used: “Liver” OR “Liver Transplantation” AND “Ischemic preconditioning” OR “occlusion” OR “clamping” OR “Pringle.” The following outcome data were retrieved: the rates of graft primary nonfunction (PNF), retransplantation, graft loss, and mortality; stay in hospital and the intensive care unit; and postoperative serum liver damage parameters. <b><i>Results:</i></b> The initial search retrieved 4,522 potentially relevant studies. After evaluating 17 full-text articles, a total of 9 randomized controlled trials (RCTs) were included (7 IPC and 2 RIPC studies) in the qualitative synthesis; the meta-analysis was only performed on the data from the IPC studies. RIPC studies had considerable methodological differences. The meta-analysis revealed the beneficial effect of IPC when comparing postoperative aspartate aminotransferase (AST) corresponding to a statistically lower mortality rate in the IPC group (odds ratio [OR] 0.51; 95% confidence interval [CI] 0.27–0.98; <i>p</i> = 0.04). <b><i>Conclusion:</i></b> IPC lowers postoperative AST levels and reduces the mortality rate; however, data on the benefits of RIPC are lacking.

scholarly journals Effects of Supervised Multimodal Exercise Interventions on Cancer-Related Fatigue: Systematic Review and Meta-Analysis of Randomized Controlled Trials

2015 ◽  
Vol 2015 ◽  
pp. 1-13 ◽  
Author(s):  
José Francisco Meneses-Echávez ◽  
Emilio González-Jiménez ◽  
Robinson Ramírez-Vélez
Keyword(s):  
Systematic Review ◽  
Resistance Training ◽  
Randomized Controlled Trials ◽  
Meta Analysis ◽  
Risk Of Bias ◽  
Controlled Trials ◽  
Exercise Interventions ◽  
Training Interventions ◽  
Randomized Controlled ◽  
Cancer Related Fatigue

Objective. Cancer-related fatigue (CRF) is the most common and devastating problem in cancer patients even after successful treatment. This study aimed to determine the effects of supervised multimodal exercise interventions on cancer-related fatigue through a systematic review and meta-analysis.Design. A systematic review was conducted to determine the effectiveness of multimodal exercise interventions on CRF. Databases of PubMed, CENTRAL, EMBASE, and OVID were searched between January and March 2014 to retrieve randomized controlled trials. Risk of bias was evaluated using the PEDro scale.Results. Nine studiesn=772were included in both systematic review and meta-analysis. Multimodal interventions including aerobic exercise, resistance training, and stretching improved CRF symptoms (SMD=-0.23; 95% CI: −0.37 to −0.09;P=0.001). These effects were also significant in patients undergoing chemotherapyP<0.0001. Nonsignificant differences were found for resistance training interventionsP=0.30. Slight evidence of publication bias was observedP=0.04. The studies had a low risk of bias (PEDro scale mean score of 6.4 (standard deviation (SD) ± 1.0)).Conclusion. Supervised multimodal exercise interventions including aerobic, resistance, and stretching exercises are effective in controlling CRF. These findings suggest that these exercise protocols should be included as a crucial part of the rehabilitation programs for cancer survivors and patients during anticancer treatments.

Effect of Probiotic Consumption on Immune Response in Athletes: A Meta-analysis

2021 ◽  
Author(s):  
Rahele Tavakoly ◽  
Amir Hadi ◽  
Nahid Rafie ◽  
Behrouz Talaei ◽  
Wolfgang Marx ◽  
...  
Keyword(s):  
Randomized Controlled Trials ◽  
Weighted Mean Difference ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Controlled Trials ◽  
Monocyte Count ◽  
Randomized Controlled ◽  
Immunological Markers ◽  
Online Databases ◽  
Immunological Effects

AbstractThe possible effect of probiotic interventions on immunological markers in athletes is inconclusive. Therefore, to synthesize and quantitatively analyze the existing evidence on this topic, systematic literature searches of online databases PubMed, Scopus, Cochrane Library, and ISI Web of Sciences was carried out up to February 2021 to find all randomized controlled trials (RCTs) concerning the immunological effects of probiotics in athletes. In the random-effects model, weighted mean difference (WMD) and 95% confidence interval (CI) explained the net effect. The authors assessed the likelihood of publication bias via Egger’s and Begg’s statistics. A total of 13 RCTs (836 participants) were retrieved. Probiotic consumption reduced lymphocyte T cytotoxic count significantly (WMD=−0.08 cells×109/L; 95% CI: −0.15 to −0.01; p=0.022) with evidence of moderate heterogeneity (I 2=59.1%, p=0.044) and monocyte count when intervention duration was ≤ 4 weeks (WMD=−0.08 cells×109/L; 95% CI: −0.16 to −0.001; I 2=0.0%). Furthermore, leukocyte count was significantly elevated (WMD=0.48 cells×109/L; 95% CI: 0.02 to 0.93; I 2=0.0%) when multi-strain probiotics were used. Probiotic supplements may improve immunological markers, including lymphocyte T cytotoxic, monocyte, and leukocyte in athletes. Further randomized controlled trials using diverse strains of probiotics and consistent outcome measures are necessary to allow for evidence-based recommendations.

scholarly journals Therapies for Meibomian Gland Dysfunction: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

2017 ◽  
Vol 11 (1) ◽  
pp. 346-354 ◽  
Author(s):  
Kannan Sridharan ◽  
Gowri Sivaramakrishnan
Keyword(s):  
Systematic Review ◽  
Randomized Controlled Trials ◽  
Meta Analysis ◽  
Meibomian Gland ◽  
Risk Of Bias ◽  
Present Review ◽  
Meibomian Gland Dysfunction ◽  
Controlled Trials ◽  
Schirmer’S Test ◽  
Randomized Controlled

Introduction: Meibomian Gland Dysfunction (MGD) is a common, often overlooked, chronic condition affecting eyes for which various therapies are being evaluated. Considering the absence of a systematic review and meta-analysis, the present review was carried out. Methods: An appropriate search strategy eligibility criteria were framed and electronic databases were scrutinized for appropriate literature. Randomized Controlled Trials (RCTs) enrolling patients diagnosed with MGD were included. Outcome measures were Tear Break Up Time (TBUT), Schirmer’s test, Meibomian Gland (MG) secretion score, MG plugging score, OSDI and SPEED. Cochrane’s tool was used to assess the risk of bias and Forest plot were generated either with fixed or random effects model, with Standardized Mean Difference (SMD). Results: TBUTs, Schirmer’s test and OSDI scores for systemic antimicrobials with placebo were 1.58 [1.33, 1.83], 2.93 [0.78, 5.09] and -3.58 [-4.28, -2.89] respectively. No quantitative synthesis was attempted for either mebiomian plugging or meibomian secretion scores and no significant changes were observed with any other outcome parameter. Conclusion: Only the systemic antimicrobials were found to improve the clinical features of meibomian gland dysfunction. Varying effects of different therapeutic agents (heat therapies, omega-3-fatty acids and castor oil) were identified for MGD but the risk of bias pertaining to randomization and allocation concealment was found to be associated with most of the current RCTs. More high quality evidence is required to confirm the findings of the present review.

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