• Title/Summary/Keyword: Cochrane Risk of Bias

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The Assessment of Risk of Bias on Clinical Trials of Korean Medicine for Alopecia (탈모증의 한약제제 임상연구에 대한 비뚤림 위험 평가)

  • Ryu, Deok-hyun;Roh, Seok-sun
    • Journal of Haehwa Medicine
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    • v.24 no.1
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    • pp.25-36
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    • 2015
  • Objective : This study aims to evaluate a risk of bias by Risk of Bias tool and RoBANS(Risk of Bias Assessment tool for Non-randomized Study) tool for clinical trial papers proving treatment effect of herbs to alopecia and provides the newest reason of effectiveness of herbs to alopecia. Methos : Data were collected through electronic database including NDSL, KISS, KMBASE, Koreantk, OASIS, KoreaMed, KISTI, Pubmd, Cochrane CENTRAL and CINAHL. Two experts in Oriental Medince assessed risk of bias of randomized controlled trials by Cochrane group's Risk of Bias tool and non-randomized controlled trials by RoBANS tool after searching, reviewing and selecting papers. Results : Total number of selected trials is 20 including 4 randomized controlled trials, 13 non-randomized controlled trials and 3 case reports. This study evaluates the risk of bias of 17 papers including 4 randomized controlled trials and 13 non-randomized controlled trials except 3 case reports by risk of bias tool and RoBANS tool. All papers of randomized controlled trials are evaluated unclear for random sequence generation and allocation concealment as there are no word on them. And all papers of non-randomized controlled trials are evaluated unclear for blinding of outcome assessments and relatively low for others. Conclusion : We must try to specify concretely methods of allocation concealment after planning and practicing it for reducing a selection bias in randomized controlled trials. Also report a reason of missing value and blinding outcome assessments. And we have to agonize and mention methods of blinding of researchers for reducing a detection bias in non-randomized controlled trials.

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A Systematic Review of Clinical Researches of Korean Medicine for Alopecia (탈모증의 한약제제 치료효과에 대한 체계적 문헌 고찰)

  • Ryu, Deok-Hyun;Roh, Seok-Sun
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.30 no.2
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    • pp.1-18
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    • 2017
  • Objectives : This review aims to evaluate a risk of bias by risk of bias tool and RoBANS(Risk of Bias Assessment tool for Non-randomized Study) tool for clinical trial papers proving treatment effect of Korean medicines to alopecia and provides the newest reason of effectiveness of herbs to alopecia. Methods : Data were collected through electronic database including NDSL, KISS, KMBASE, Koreantk, OASIS, KoreaMed, KISTI, Pubmed, Cochrane CENTRAL and CINAHL. Two experts in Oriental Medicine assessed risk of bias of randomized controlled trials by Cochrane group's Risk of Bias tool and non-randomized controlled trials by RoBANS tool after searching, reviewing and selecting papers. Results : Total number of selected trials is 20 including 4 randomized controlled trial, 13 non-randomized controlled trials and 3 case reports. This study evaluate the risk of bias of 17 papers including 4 randomized controlled trials and 13 non-randomized controlled trials except 3 case reports by risk of bias tool and RoBANS tool. All papers of randomized controlled trials are evaluated unclear for random sequence generation and allocation concealment as there are no word on them. And all papers of non-randomized controlled trials are evaluated unclear for blinding of outcome assessments and relatively low for others. Conclusions : Korean medicine intervention can be an effective for treatment in alopecia. It was evaluated by hair density, thickness and expert panel assessment of photographs and all results are statistically significant. But enhancing levels of evidence, we must try to reduce bias in researches and report a safety, protocol and IRB.

Chuna Manual Therapy for Spondylolisthesis: A Systematic Review and Meta-analysis (척추전방전위증의 추나 치료에 대한 체계적 문헌 고찰 및 메타 분석)

  • Hong, Su Min;Ha, Hyun Ju;Yoon, Kwang Sik
    • Journal of Korean Medicine Rehabilitation
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    • v.30 no.4
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    • pp.65-77
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    • 2020
  • Objectives This study is aimed to evaluate the effectiveness of Chuna therapy for spondylolisthesis. Methods We searched th following 10 online databases without a language restriction (National Digital Science Library [NDSL], Research Information Sharing Service [RISS], Oriental Medicine Advanced Searching Integrated System [OASIS], KMBASE, MEDLINE/PubMed, Cochrane library, Ebscohost, EMBASE, Ovid, China National Knowledge Infrastru [CNKI]) to find randomized controlled trials that used Chuna therapy for spondylolisthesis. The methodological quality of each randomized controlled clinical trial was assessed using the Cochrane risk of bias tool and meta-analyses were perfomed. Results Eleven randomized controlled trials were included. Chuna therapy showed statistically significant reduction of symptoms. Meta-analysis showed positive results for Chuna therapy for spondylolisthesis in terms of therapeutic effects to traction, chinese medicine, therapeutic exercise. Conclusion In this study, we reviewed studies about Chuna therapy used for spondylolisthesis. The studies showed that Chuna therapy can significantly effective on spondylolisthesis. But according to Cochrane risk of bias evaluation method, most of the studies's risk of bias were unclear. Therefore, more high-quality studies will be needed.

Acupuncture for Facet Joint Syndrome: A Review of Clinical Study (후관절 증후군의 침 치료에 대한 문헌 연구 보고)

  • Ji-Hyang Gu
    • Journal of Korean Medicine Rehabilitation
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    • v.33 no.1
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    • pp.13-29
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    • 2023
  • Objectives To evaluate the evidence supporting the effectiveness of acupuncture for facet joint syndrome. Methods We conducted search across 9 electronic databases (PubMed, EMBASE, Cochrane CENTRAL (CENTRAL), KoreaMed, Kmbase, Koreanstudies Information Service System (KISS), ScienceOn, China National Knowledge Infrastructure (CNKI), and Wanfang) to find clinical trials that used acupuncture as treatment for facet joint syndrome. The methodological quality of randomized controlled clinical trials (RCTs) were assessed using the Cochrane Risk of Bias (RoB) tool, while non-randomized controlled clinical trials (nRCTs) were assessed using the Cochrane Risk of Bias Assessment tool for Non-randomized Study (RoBANS) tool. Results Nine RCTs and one nRCT met our inclusion criteria. Fire needle was more effective than medial branch block in terms of visual analogue scale (VAS) after 1 month (p=0.02). Also, Fire needle was more effective than Ibuprofen in terms of VAS and oswestry disability index (ODI) (p<0.05). However, in the rest of the study results, the intervention group did not show a statistically significant difference than the control group. Conclusions Although our review found encouraging but limited evidence of acupuncture for facet joint syndrome, most of the studies included in the analysis were evaluated as methodologically high risk of bias. From now on further well-designed RCTs should be encouraged.

The Effects of Oral Care with Chlorhexidine for Ill Patients to Prevent Ventilator-associated Pneumonia : A Meta-Analysis (중환자의 인공호흡기 관련 폐렴 예방을 위한 클로르헥시딘의 효과 : 메타 분석)

  • Lee, Ha-Nee;Park, Jeong Sook
    • The Journal of the Korea Contents Association
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    • v.17 no.8
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    • pp.241-249
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    • 2017
  • This study was to determine the effectiveness of oral decontamination with chlorhexidine for prevention of ventilator associated pneumonia(VAP) using meta-analysis. MEDLINE, Pubmed, Cochrane library CINAHL and RISS, Koreamed, KISS databases were searched. key words used 'Ventilator-associated pneumonia', 'oral care', 'chlorhexidine' Ninety studies met the inclusion criteria for the meta-analysis. data were analyzed by the Revman 5.3 program of cochrane library and assessed for methodological quality using RoB (The Cochrane's Risk of Bias). The main findings of the current study suggest that chlorhexidine oral care have a positive impact on Ventilator associated pneumonia.

A Systematic Review of Acupuncture for Oculomotor Nerve Palsy

  • Ku, Yong Ho;Kang, Jae Hui;Kong, Hae Jin;Ryu, Hwa Yeon;Lee, Hyun
    • Journal of Acupuncture Research
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    • v.36 no.2
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    • pp.59-71
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    • 2019
  • Acupuncture treatment for oculomotor nerve palsy has been increasing recently. This study analyzed randomized controlled trials (RCTs) and case reports, using the Cochrane risk of bias tool to investigate the efficacy of acupuncture therapy for oculomotor nerve palsy. This analysis was performed on March 7, 2019, using online databases (PubMed, Cochrane, NDSL, OASIS, CNKI) where 208 articles were retrieved. Of these, there were 18 case reports and 18 RCTs that matched the inclusion criteria, of which 32 studies used acupuncture as the primary intervention, 1 used pharmacopuncture, 1 used fire-needling, and 1 used electroacupuncture. The most commonly used acupoints were BL1, BL2, ST2, TE23, Ex-HN5, LI4, GB14, ST36, GB20 and GB1. Significant findings were reported in all RCTs. Six adverse events were reported in 3 RCTs, with no effect on the outcome. No side effects were reported in the case reports. The risk-of-bias analysis showed that the articles did not report the experimental protocol used and it was not clear whether the study was blinded. Hence, it was difficult to assess the risk of bias. Analysis of 36 studies showed that acupuncture therapy for oculomotor nerve palsy was effective in many cases. It was difficult to evaluate the potential bias.

Systematic Review and Meta-analysis of Chuna Therapy for Sciatica (좌골신경통에 적용한 추나 치료에 대한 체계적 문헌 고찰 및 메타 분석)

  • Hong, Su Min;Oh, Seung Joon;Lee, Eun Jung
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.34 no.6
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    • pp.299-308
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    • 2020
  • This study aimed to evaluate the effects of Chuna therapy for Sciatica. We searched the following 16 online databases without a language restriction (Pubmed, Cochrane, Embase, CINAHL, Ovid, Kmbase, RISS, NDSL, OASIS, KISS, KNAL, KTKP, DBpia, CNKI, Wangfang, J-stage) to find randomized controlled clinical trials that used Chuna therapy for Sciatica. The methodological quality of randomized controlled clinical trials (RCTs) were assessed using the Cochrane risk of bias tool and meta-analysis were performed. Among 496 articles that were searched, 15 RCTs were finally selected for systematic review. 14 studies showed that Chuna therapy has positive effect on sciatica. Two studies noted that there were side effects, and the difference between the intervention group and the control group was statistically insignificant. One study noted no side effects and the rest of the study, there was no mention of side effects. Meta-analysis showed positive results for Chuna single therapy in terms of efficiency rate compared to painkiller, herb medicine excepting acupuncture. When comparing Chuna therapy plus acupuncture and acupuncture, Chuna therapy plus acupuncture had a more positive result than acupuncture in terms of efficiency rate. Cochrane Risk of Bias (RoB)evaluation method, most of the studies's selection, performance, detection and reporting bias were unclear. The studies showed that Chuna therapy can significantly effective on sciatica. However, most of the studies's Risk of Bias included in the analysis were not low enough. In the future, to prove the level of evidence of Chuna therapy, more high-quality studies will be needed.

Effects of Chuna Manual Therapy(CMT) on Rotator Cuff Disorder: A Systematic Review (회전근개 질환에 대한 추나 치료의 효과: 체계적 문헌 고찰)

  • Hong, Su-Min;Do, Ki-Won;Yoon, Kwang-Sik
    • The Journal of Churna Manual Medicine for Spine and Nerves
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    • v.16 no.1
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    • pp.1-11
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    • 2021
  • Objectives This study aimed to evaluate the efficacy of Chuna manual therapy(CMT) in the treatment of rotator cuff disorder. Methods We searched th following nine online databases without language restriction (MEDLINE/PubMed, Cochrane library, Ebscohost, CNKI, RISS, NDSL, KMBASE, and KISS) to identify randomized controlled trials (RCTs) that used CMT in the treatment of rotator cuff disorder. The methodological quality of each RCT was assessed using the Cochrane risk-of-bias tool. Results Four RCTs were included. in the meta-analysis. CMT resulted in a significant reduction in symptoms in these trials. However, there was a high risk of bias in the RCTs. Conclusions We reviewed RCTs that studied the effects of CMT for rotator cuff disorder. While the studies indicate that CMT has favorable effects on rotator cuff disorder. But the risk of bias for most of the studies was high. Therefore, high-quality studies are required to make further conclusions.

Ultrasonography for Facial Nerve Palsy: A Systematic Review and Meta-Analysis Protocol

  • Seojung Ha;Bo-In Kwon;Joo-Hee Kim
    • Journal of Acupuncture Research
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    • v.41 no.1
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    • pp.63-68
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    • 2024
  • Background: Facial nerve palsy presents a significant healthcare challenge, impacting daily life and social interactions. This systematic review investigates the potential utility of ultrasonography as a diagnostic tool for facial nerve palsy. Methods: Electronic searches will be conducted across various databases, including MEDLINE, EMBASE, CENTRAL (Cochrane Central register of Controlled Trials), CNKI (China National Knowledge Infrastructure), KMBASE (Korean Medical Database), ScienceON, and OASIS (Oriental Medicine Advanced Searching Integrated System), up to February 2024. The primary outcome will focus on ultrasonography-related parameters, such as facial nerve diameter and muscle thickness. Secondary outcomes will encompass clinical measurements, including facial nerve grading scales and electrodiagnostic studies. the risk of bias in individual study will be assessed using the Cochrane Risk of Bias assessment tool, while the grading of recommendations, assessment, development, and evaluations methodology will be utilized to evaluate the overall quality of evidence. Conclusion: This study aims to review existing evidence and evaluate the diagnostic and prognostic value of ultrasonography for peripheral facial nerve palsy.

Effects of Psychosocial Interventions on Cortisol and Immune Parameters in Patients with Cancer: A Meta-analysis (암 환자에게 적용한 심리사회적 중재가 코티졸과 면역기능에 미친 효과: 메타분석)

  • Oh, Pok Ja;Jang, Eun-Su
    • Journal of Korean Academy of Nursing
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    • v.44 no.4
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    • pp.446-457
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    • 2014
  • Purpose: This study was done to evaluate the effects of psychosocial interventions on cortisol and immune response in adult patients with cancer. Methods: MEDLINE via PubMed, Cochrane Library CENTRAL, EMBASE, CINAHL and domestic electronic databases were searched. Twenty controlled trials (11 randomized and 9 non-randomized trials) met the inclusion criteria with a total of 862 participants. Methodological quality was assessed using the Cochrane's Risk of Bias for randomized studies and the Risk of Bias Assessment tool for non randomized studies. Data were analyzed using the RevMan 5.2.11 program of Cochrane library. Results: Overall, study quality was moderate to high. The weighted average effect size across studies was -0.32 (95% CI [-0.56, -0.07], p=.010, $I^2 $=45%) for cortisol concentration, -0.62 (95%CI [-0.96,-0.29], p<.001, $I^2 $=0%) for T lymphocyte (CD3) and -0.45 (95%CI [-0.74, -0.16], p=.003, $I^2 $=0%) for Th lymphocyte (CD4) numbers. Psychosocial interventions were not effective for Tc lymphocyte (CD4), NK cell, monocyte, and cytokine response. Conclusion: Although these results provide only small evidence of successful immune modulation, they support the conclusion that psychosocial interventions can assist cancer patients in reducing emotional distress and improving immune response.