Ketamine for the treatment of prehospital acute pain: a systematic review of benefit and harm

BackgroundFew publications have addressed prehospital use of ketamine in analgesic doses. We aimed to assess the effect and safety profile of ketamine compared with other analgesic drugs (or no drug) in adult prehospital patients with acute pain.MethodsA systematic review of clinical trials assessing prehospital administration of ketamine in analgesic doses compared with other analgesic drugs or no analgesic treatment in adults. We searched PubMed, EMBASE, Cochrane Library and Epistemonikos from inception until 15 February 2020, including relevant articles in English and Nordic languages. We used the Cochrane and Grading of Recommendations Assessment, Development and Evaluation methodologies and exclusively assessed patient-centred outcomes. Two independent authors screened trials for eligibility, extracted data and assessed risk of bias.ResultsWe included eight studies (2760 patients). Ketamine was compared with various opioids given alone, and intranasal ketamine given with nitrous oxide was compared with nitrous oxide given alone. Four randomised controlled trials (RCTs) and one cluster randomised trial included 699 patients. One prospective cohort included 27 patients and two retrospective cohorts included 2034 patients. Five of the eight studies had high risks of bias. Pain score with ketamine is probably lower than after opioids as demonstrated in a cluster-RCT (308 patients) and a retrospective cohort (158 patients) study, Δvisual analogue scale −0.4 (−0.8 to 0.0) and Δnumeric pain rating scale −3.0 (−3.86 to −2.14), respectively. Ketamine probably leads to less nausea and vomiting (risk ratio (RR) 0.24 (0.11 to 0.52)) but more agitation (RR 7.81 (1.85 to 33)) than opioids.ConclusionsThis systematic literature review finds that ketamine probably reduces pain more than opioids and with less nausea and vomiting but higher risk of agitation. Risk of bias in included studies is high.OtherScandinavian society of anaesthesiology and intensive care medicine funded meetings and software. The Norwegian Air Ambulance Foundation funded publication. Otherwise this research received no grant from any agency in the public, commercial or not-for-profit sectors.PROSPERO registration numberCRD42018114399.

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454 ASSOCIATION BETWEEN STATINS AND MAJOR ADVERSE CARDIAC EVENTS AMONG OLDER ADULTS WITH FRAILTY: A SYSTEMATIC REVIEW

Age and Ageing ◽

10.1093/ageing/afab118.03 ◽

2021 ◽

Vol 50 (Supplement_2) ◽

pp. ii5-ii7

Author(s):

M Hale ◽

H Zaman ◽

D Mehdizadeh ◽

O Todd ◽

H Callaghan ◽

...

Keyword(s):

Systematic Review ◽

Older Adults ◽

Primary Prevention ◽

Secondary Prevention ◽

Randomised Trial ◽

Risk Of Bias ◽

Cochrane Library ◽

Major Adverse Cardiovascular Events ◽

Primary And Secondary Prevention ◽

Cardiac Events

Abstract Background Statins reduce the risk of major adverse cardiovascular events (MACE), however, their clinical benefit for primary and secondary prevention among older adults with frailty is uncertain. This review investigates whether statins prescribed for primary and secondary prevention are associated with reduced MACE among adults aged ≥65 years with frailty. Methods Systematic review of studies published between 01.01.1952 and 01.01.2019 in MEDLINE, Embase, Scopus, Web of Science, Cochrane Library and the International Pharmaceutical Abstracts. Studies that investigated the effect of statins on MACE among adults ≥65 years with a validated frailty assessment were included. Data were extracted from the papers as per a pre-published protocol, PROSPERO: CRD42019127486. Risk of bias was assessed using the Cochrane Risk of Bias in non-randomised studies of interventions. Finding 18794 abstracts were identified for screening. From these, six cohort studies fulfilled the inclusion criteria. There were no randomised clinical trials. Of studies involving statins for primary and secondary prevention (n = 6), one found statins were associated with reduced mortality (hazard ratio (HR) 0.58, 95% confidence interval (CI) 0.37–0.93) and another found they were not (p = 0.73). One study of statins used for secondary prevention found they were associated with reduced mortality (HR 0.28, 95%CI 0.21–0.39). No studies investigated the effect of statins for primary prevention or the effect of statins on the frequency of MACE. Discussion This review summarizes the existing available evidence for decision making for statin prescribing for older adults with frailty. This study identified only observational evidence that, among older people with frailty, statins are associated with reduced mortality when prescribed for secondary prevention, and an absence of evidence evaluating statin therapy for primary prevention. The findings of this study highlight that randomised trial data are urgently needed to better inform the use of statins among older adults living with frailty.

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Acupuncture-Related Therapies for Parkinson's Disease: A Meta-Analysis and Qualitative Review

Frontiers in Aging Neuroscience ◽

10.3389/fnagi.2021.676827 ◽

2021 ◽

Vol 13 ◽

Author(s):

Xiaopeng Wen ◽

Kunbin Li ◽

Hao Wen ◽

Qian Wang ◽

Zhiyuan Wu ◽

...

Keyword(s):

Systematic Review ◽

Parkinson’S Disease ◽

Parkinson's Disease ◽

Rating Scale ◽

Meta Analysis ◽

Risk Of Bias ◽

Cochrane Library ◽

Hamilton Depression Scale ◽

High Quality ◽

Conventional Medication

Objective: This systematic review and meta-analysis aimed to assess the effects of the combination of acupuncture-related therapies with conventional medication compared with conventional medication in patients with Parkinson's disease (PD).Methods: A literature search within eight databases [including Medline, Embase, the Cochrane Library, PubMed, China National Knowledge Infrastructure (CNKI), China Biology Medicine (CBM), VIP, and Wanfang Database] was performed covering a time frame from their inception to August 2020. Randomized controlled trials (RCTs) comparing acupuncture-related therapies combined with conventional medication vs. conventional medication in patients with PD were eligible. Two authors independently assessed the risk of bias. Assessments were performed with the total and subscales scores of the Unified Parkinson's Disease Rating Scale (UPDRS), 39-item Parkinson's Disease Questionnaire (PDQ-39), the dosage of Madopar, Mini-Mental State Examination (MMSE), and 17-item Hamilton Depression Scale (HAMD). Data were analyzed by adopting the Cochrane Collaboration's RevMan 5.4 (Review Man, Copenhagen, Denmark); and mean effect sizes and 95% confidence intervals were estimated. Tests for heterogeneity were used to assess differences in treatment effects across different types of acupuncture used.Results: Sixty-six trials met the inclusion criteria, of which 61 trials provided data for the meta-analysis. We defined high-quality articles as those with a low risk of bias in four or more domains; and only 10 (15.15%) articles were of high quality. Compared with the controls, acupuncture-related therapies with conventional medication achieved a benefit in the primary outcomes of UPDRS (motor subscore: −3.90, −4.33 to −3.49, P < 0.01; total score: −7.37 points, −8.91 to −5.82, P < 0.001; activities of daily living subscore: −3.96, −4.96 to −2.95, P < 0.01). For the subgroup difference test among the effects of different acupuncture methods, significant differences existed in outcomes with the UPDRS-III, UPDRS-I, UPDRS-IV, and PDQ-39 scores and Madopar dosage, while non-significant differences existed with the UPDRS-total, UPDRS-II, HAMD, and MMSE scores.Conclusions: Acupuncture-related therapies combined with conventional medication may benefit individuals with PD. Our review findings should be considered with caution because of the methodological weaknesses in the included trials. Future, large randomized trials of acupuncture-related therapies for PD with high methodological quality are warranted.Systematic Review Registration: Identifier CRD42021228110.

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416 A NARRATIVE SYSTEMATIC REVIEW OF POSTOPERATIVE REHABILITATION FOLLOWING SURGERY FOR ESOPHAGEAL CANCER

Diseases of the Esophagus ◽

10.1093/dote/doaa087.105 ◽

2020 ◽

Vol 33 (Supplement_1) ◽

Author(s):

P Prasad ◽

K Hardy ◽

J Chmelo ◽

M Navidi ◽

A Phillips

Keyword(s):

Quality Of Life ◽

Systematic Review ◽

Positive Impact ◽

Controlled Trial ◽

Randomised Trial ◽

Risk Of Bias ◽

Moderate Intensity ◽

Cochrane Library ◽

The Impact

Abstract Esophagectomy is a complex procedure with associated high levels of morbidity. Rehabilitation programmes are being developed and increasingly utilised in the perioperative period and comprise a variety of physical, nutritional and psychological interventions. Such strategies may help reduce the incidence of postoperative complications, mitigate sarcopenia, prevent progressive frailty and restore quality of life. This systematic review aimed to identify and analyse studies reporting outcomes of post-esophagectomy rehabilitative interventions. Methods Major reference databases (PubMed, Medline, EMBASE, Cochrane Library and Google scholar) were interrogated and a systematic search with a pre-defined search strategy was performed up until January 2020. All eligible articles were screened in line with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Study quality was assessed using the MINORS (Methodological Index for Non-Randomized Studies) criteria for cohort studies and the Cochrane risk of bias tool for randomised studies. Results Three studies (n = 1 pilot study; n = 1 feasibility study and n = 1 randomised controlled trial) including some 108 patients were included in this narrative review, of whom 64 patients had undergone esophagectomy. Rehabilitative strategies utilised included a combination of physical activities such as walking and low- to moderate-intensity exercises, dietary counselling, psychological support and occupational therapy input. There was wide variation in the outcomes assessed between studies. Postoperative physical activity with exercises consistently demonstrated maximum positive impact upon cardiopulmonary fitness. The median MINORS score for included studies was 9 (8-10) and the risk of bias in the included randomised trial was low. Conclusion There is a paucity of data currently to help determine the impact that rehabilitation may have on clinical outcomes and quality of life following esophagectomy. While improved physical function has been demonstrated, there is a need to determine which interventions patients deem most important and acceptable to help them return to as close to baseline as possible. Additionally, there is a need to further understand the impact rehabilitation may have upon long-term outcomes.

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Effect of intra-partum Oxytocin on neonatal encephalopathy: a systematic review and meta-analysis

BMC Pregnancy and Childbirth ◽

10.1186/s12884-021-04216-3 ◽

2021 ◽

Vol 21 (1) ◽

Author(s):

Constance Burgod ◽

Stuti Pant ◽

Maria Moreno Morales ◽

Paolo Montaldo ◽

Phoebe Ivain ◽

...

Keyword(s):

Systematic Review ◽

Clinical Trials ◽

Meta Analysis ◽

Randomised Trial ◽

Risk Of Bias ◽

Cluster Randomised Trial ◽

Analysis Model ◽

Neonatal Encephalopathy ◽

Case Control Studies ◽

Middle Income

Abstract Background Oxytocin is widely used for induction and augmentation of labour, particularly in low- and middle-income countries (LMICs). In this systematic review and meta-analysis, we examined the effect of intra-partum Oxytocin use on neonatal encephalopathy. Methods The protocol for this study was registered with PROSPERO (ID: CRD42020165049). We searched Medline, Embase and Web of Science Core Collection databases for papers published between January 1970 and May 2021. We considered all studies involving term and near-term (≥36 weeks’ gestation) primigravidae and multiparous women. We included all randomised, quasi-randomised clinical trials, retrospective studies and non-randomised prospective studies reporting intra-partum Oxytocin administration for induction and/or augmentation of labour. Our primary outcome was neonatal encephalopathy. Risk of bias was assessed in non-randomised studies using the Risk Of Bias In Non-randomised Studies of Interventions (ROBINS-I) tool. The RoB 2.0 tool was used for randomised studies. A Mantel-Haenszel statistical method and random effects analysis model were used for meta-analysis. Odds ratios were used to determine effect measure and reported with 95% confidence intervals. Results We included data from seven studies (6 Case-control studies, 1 cluster-randomised trial) of which 3 took place in high-income countries (HICs) and 4 in LMICs. The pooled data included a total of 24,208 women giving birth at or after 36 weeks; 7642 had intra-partum Oxytocin for induction and/or augmentation of labour, and 16,566 did not receive intra-partum Oxytocin. Oxytocin use was associated with an increased prevalence of neonatal encephalopathy (Odds Ratio 2.19, 95% CI 1.58 to 3.04; p < 0.00001). Conclusions Intra-partum Oxytocin may increase the risk of neonatal encephalopathy. Future clinical trials of uterotonics should include neonatal encephalopathy as a key outcome.

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Effectiveness of Nutritional Education for Obese Older Adults With Frailty: A Systematic Review and Meta-Analysis

Innovation in Aging ◽

10.1093/geroni/igaa057.1291 ◽

2020 ◽

Vol 4 (Supplement_1) ◽

pp. 401-401

Author(s):

Yue-Heng Yin ◽

Liu Yat Justina

Keyword(s):

Systematic Review ◽

Physical Function ◽

Meta Analysis ◽

Experimental Studies ◽

Well Being ◽

Risk Of Bias ◽

Cochrane Library ◽

Nutritional Education ◽

Hand Search ◽

Education Interventions

Abstract Obesity has been shown to intensify the decline of physical function and lead to frailty. Nutrition is an important method in managing obesity and frailty, while seldom reviews have ever explored the effects of nutritional education interventions. We conducted a systematic review (PROSPERO: CRD42019142403) to explore the effectiveness of nutritional education interventions in managing body composition and physio-psychosocial parameters related to frailty. Randomized controlled trials and quasi-experimental studies were searched in CINAHL, Cochrane Library, EMBASE, MEDLINE, PsycINFO, PubMed and Scopus from 2001 to 2019. Hand search for the reference lists of included papers was conducted as well. We assessed the quality of included studies by Cochrane risk of bias tool. Meta-analyses and narrative synthesis were used to analyse the data. Two studies with low risk of bias were screened from 180 articles, which involved 177 older people with an average age of 69.69±4.08 years old. The results showed that nutritional education was significantly effective in reducing body weight and fat mass than exercises, and it was beneficial to enhancing physical function and psychosocial well-being. But the effects of nutritional education in increasing muscle strength were not better than exercises. The combined effects of nutritional education and exercises were superior than either exercises or nutritional education interventions solely in preventing the loss of lean mass and bone marrow density, and in improving physical function. Due to limited numbers of relevant studies, the strong evidence of effectiveness of nutritional education interventions on reversing frailty is still lacking.

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Impact of Vibration on the Levels of Biomarkers: A Systematic Review

The Journal of Indian Orthodontic Society ◽

10.1177/03015742211019520 ◽

2021 ◽

pp. 030157422110195

Author(s):

Ashish Agrawal ◽

TM Chou

Keyword(s):

Systematic Review ◽

Web Of Science ◽

Tooth Movement ◽

Orthodontic Tooth Movement ◽

Cochrane Collaboration ◽

Risk Of Bias ◽

Cochrane Library ◽

Inclusion Criteria ◽

Electronic Search ◽

Proquest Dissertation

Introduction: The objective of this systematic review is to assess the effect of vibrational force on biomarkers for orthodontic tooth movement. Methods: An electronic search was conducted for relevant studies (up to December 31, 2020) on the following databases: Pubmed, Google scholar, Web of Science, Cochrane Library, Wiley Library, and ProQuest Dissertation Abstracts and Thesis database. Hand searching of selected orthodontic journals was also undertaken. The selected studies were assessed for the risk of bias in Cochrane collaboration risk of bias tool. The “traffic plot” and “weighted plot” risk of bias distribution are designed in the RoB 2 tool. The 2 authors extracted the data and analyzed it. Results: Six studies fulfilled the inclusion criteria. The risks of biases were high for 4, low and some concern for other 2 studies. The biomarkers, medium, device, frequency and duration of device, as well as other data were extracted. The outcomes of the studies were found to be heterogenous. Conclusion: One study showed highly statistically significant levels of IL-1 beta with <.001. Rate of tooth movement was correlated with levels of released biomarkers under the influence of vibrational force in 3 studies, but it was found to be significant only in 1 study. It was further observed that vibration does not have any significant reduction in pain and discomfort.

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Prevalence of retinopathy in prediabetes: protocol for a systematic review and meta-analysis

BMJ Open ◽

10.1136/bmjopen-2020-040997 ◽

2021 ◽

Vol 11 (1) ◽

pp. e040997

Author(s):

Varo Kirthi ◽

Paul Nderitu ◽

Uazman Alam ◽

Jennifer Evans ◽

Sarah Nevitt ◽

...

Keyword(s):

Systematic Review ◽

Diabetic Retinopathy ◽

Data Extraction ◽

Meta Analysis ◽

International Diabetes Federation ◽

Current Data ◽

Risk Of Bias ◽

Fundus Photography ◽

Primary Data ◽

Cochrane Library

IntroductionThere is growing evidence of a higher than expected prevalence of retinopathy in prediabetes. This paper presents the protocol of a systematic review and meta-analysis of retinopathy in prediabetes. The aim of the review is to estimate the prevalence of retinopathy in prediabetes and to summarise the current data.Methods and analysisThis protocol is developed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Protocols (PRISMA-P) guidelines. A comprehensive electronic bibliographic search will be conducted in MEDLINE, EMBASE, Web of Science, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Google Scholar and the Cochrane Library. Eligible studies will report prevalence data for retinopathy on fundus photography in adults with prediabetes. No time restrictions will be placed on the date of publication. Screening for eligible studies and data extraction will be conducted by two reviewers independently, using predefined inclusion criteria and prepiloted data extraction forms. Disagreements between the reviewers will be resolved by discussion, and if required, a third (senior) reviewer will arbitrate.The primary outcome is the prevalence of any standard features of diabetic retinopathy (DR) on fundus photography, as per International Clinical Diabetic Retinopathy Severity Scale (ICDRSS) classification. Secondary outcomes are the prevalence of (1) any retinal microvascular abnormalities on fundus photography that are not standard features of DR as per ICDRSS classification and (2) any macular microvascular abnormalities on fundus photography, including but not limited to the presence of macular exudates, microaneurysms and haemorrhages. Risk of bias for included studies will be assessed using a validated risk of bias tool for prevalence studies. Pooled estimates for the prespecified outcomes of interest will be calculated using random effects meta-analytic techniques. Heterogeneity will be assessed using the I2 statistic.Ethics and disseminationEthical approval is not required as this is a protocol for a systematic review and no primary data are to be collected. Findings will be disseminated through peer-reviewed publications and presentations at national and international meetings including Diabetes UK, European Association for the Study of Diabetes, American Diabetes Association and International Diabetes Federation conferences.PROSPERO registration numberCRD42020184820.

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Effectiveness of Antalgic Therapies in Patients with Vertebral Bone Metastasis: A Protocol for a Systematic Review and Meta-Analysis

International Journal of Environmental Research and Public Health ◽

10.3390/ijerph18083991 ◽

2021 ◽

Vol 18 (8) ◽

pp. 3991

Author(s):

Antonio Jose Martin-Perez ◽

María Fernández-González ◽

Paula Postigo-Martin ◽

Marc Sampedro Pilegaard ◽

Carolina Fernández-Lao ◽

...

Keyword(s):

Systematic Review ◽

Bone Metastasis ◽

Data Extraction ◽

Meta Analysis ◽

Risk Of Bias ◽

Cochrane Library ◽

Pharmacological Intervention ◽

Vertebral Metastasis ◽

Randomized Controlled Clinical Trials

There is no systematic review that has identified existing studies evaluating the pharmacological and non-pharmacological intervention for pain management in patients with bone metastasis. To fill this gap in the literature, this systematic review with meta-analysis aims to evaluate the effectiveness of different antalgic therapies (pharmacological and non-pharmacological) in the improvement of pain of these patients. To this end, this protocol has been written according to the Preferred Reporting Items for Systematic review and Meta-Analysis Protocols (PRISMA-P) and registered in PROSPERO (CRD42020135762). A systematic search will be carried out in four international databases: Medline (Via PubMed), Web of Science, Cochrane Library and SCOPUS, to select the randomized controlled clinical trials. The Risk of Bias Tool developed by Cochrane will be used to assess the risk of bias and the quality of the identified studies. A narrative synthesis will be used to describe and compare the studies, and after the data extraction, random effects model and a subgroup analyses will be performed according to the type of intervention, if possible. This protocol aims to generate a systematic review that compiles and synthesizes the best and most recent evidence on the treatment of pain derived from vertebral metastasis.

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Vital Pulp Therapy in Permanent Mature Posterior Teeth with Symptomatic Irreversible Pulpitis: A Systematic Review of Treatment Outcomes

Medicina ◽

10.3390/medicina57060573 ◽

2021 ◽

Vol 57 (6) ◽

pp. 573

Author(s):

João Miguel Santos ◽

Joana F. Pereira ◽

Andréa Marques ◽

Diana B. Sequeira ◽

Shimon Friedman

Keyword(s):

Systematic Review ◽

Root Canal ◽

Small Sample ◽

Risk Of Bias ◽

Root Canal Treatment ◽

Cochrane Library ◽

Posterior Teeth ◽

Pulp Therapy ◽

Vital Pulp Therapy ◽

Irreversible Pulpitis

Background and Objectives: Symptomatic irreversible pulpitis in permanent mature teeth is a common indication for nonsurgical root canal treatment (NSRCT), but contemporary studies have reported on vital pulp therapy (VPT) applied in such teeth as a less invasive treatment. This systematic review assessed the outcomes of VPT, including partial and full pulpotomy performed with hydraulic calcium silicate cements (HCSCs) in permanent mature posterior teeth diagnosed with symptomatic irreversible pulpitis. Materials and Methods: The PRISMA guidelines were followed. The search strategy included PubMed®, EMBASE, Cochrane library and grey literature electronic databases. The quality assessment of the identified studies followed the Cochrane Collaboration Risk of Bias, ROBINS-I and Newcastle–Ottawa Scale tools. Results: The search of primary databases identified 142 articles, of which 9 randomized controlled trials and 3 prospective cohort studies were selected for review. The risk-of-bias was assessed as ‘high’ or ‘serious’, ‘fair’, and ‘low’ for three, seven and two articles, respectively. One to five years after VPT using HCSCs, the success rates mostly ranged from 78 to 90%. Based on two articles, the outcomes of the VPT and NSRCT were comparable at one and five years. Despite the necessity for the intra-operative pulp assessment in VPT procedures, the majority of the studies did not fully report on this step or on the time needed to achieve hemostasis. Small sample sizes, of under 23 teeth, were reported in three studies. Conclusions: The reviewed 12 articles reported favorable outcomes of the VPT performed with HCSCs in permanent mature posterior teeth with symptomatic irreversible pulpitis, with radiographic success in the range of 81 to 90%. Two articles suggested comparable outcomes of the VPT and root canal treatment. Universal case selection and outcome criteria needs to be established for VPT when considered as an alternative to NSRCT. This evidence supports the need for further research comparing longer-term outcomes of both of the treatment modalities.

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

Cancers ◽

10.3390/cancers13122984 ◽

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.

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