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Protocol for a systematic review of reporting standards of anaesthetic interventions in randomised controlled trials.

ABSTRACT: INTRODUCTION:There is significant variation in how anaesthesia is defined and reported in clinical research. This lack of standardisation complicates the interpretation of published evidence and planning of future clinical trials. This systematic review will assess the reporting of anaesthesia as an intervention in randomised controlled trials (RCT) against the Consolidated Standards of Reporting Trials for Non-Pharmacological Treatments (CONSORT-NPT) framework. METHODS AND ANALYSIS:Online archives of the top six journals ranked by impact factor for anaesthesia and the top three general medicine and general surgery journals will be systematically hand searched over a 42-month time period to identify RCTs describing the use of anaesthetic interventions for any invasive procedure. All modes of anaesthesia and anaesthesia techniques will be included. All study data, including the type of anaesthetic intervention described, will be extracted in keeping with the CONSORT-NPT checklist. Descriptive statistics will be used to summarise general study details including types/modes of anaesthetic interventions, and reporting standards of the trials. ETHICS AND DISSEMINATION:No ethical approval is required. The results will be used to inform a funding application to formally standardise general, local, regional anaesthesia and sedation for use in clinical research. The systematic review will be disseminated via peer-reviewed manuscript and conferences. PROSPERO REGISTRATION NUMBER:CRD42019141670.

SUBMITTER: Elliott L

PROVIDER: S-EPMC7045251 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Protocol for a systematic review of reporting standards of anaesthetic interventions in randomised controlled trials.

Elliott Lucy L Coulman Karen K Blencowe Natalie S NS Qureshi Mahim M Watson Sethina S Mouton Ronelle R Hinchliffe Robert J RJ

BMJ open 20200113 1

<h4>Introduction</h4>There is significant variation in how anaesthesia is defined and reported in clinical research. This lack of standardisation complicates the interpretation of published evidence and planning of future clinical trials. This systematic review will assess the reporting of anaesthesia as an intervention in randomised controlled trials (RCT) against the Consolidated Standards of Reporting Trials for Non-Pharmacological Treatments (CONSORT-NPT) framework.<h4>Methods and analysis</ ...[more]

PMID: 31937656

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Project description:ObjectivesTo determine the incidence and characteristics of randomised controlled trials that report using the modified intention to treat approach, and how the approach is described.DesignSystematic review.Data sourcesPubMed, Embase, Cochrane central register of controlled trials, ISI Web of Knowledge, Ovid, HighWire Press, Science-Direct, Ingenta, Medscape, BioMed Central, Springer, and Wiley, from inception to December 2006.Main outcome measuresIncidence of trials in which use of modified intention to treat was reported, and how the approach was described (classified according to the type and number of deviations from the intention to treat approach).Results475 randomised controlled trials reported use of a modified intention to treat analysis. Of these, 76 (16%) were published in five highly cited general medical journals. The incidence of all trials that reported use of modified intention to treat published in journals indexed in Medline increased from 0.006% in 1982-6 to 0.5% in 2002-6 (P<0.001 for linear trend). When the description of the modified intention to treat was examined in each trial, 192 (40%) reported one type of deviation from the intention to treat approach, 261 (55%) reported two or more types, and 22 (5%) did not describe any type. In 266 (56%) of the trials the deviation was related to the treatment received, in 196 (41%) to a post baseline assessment, in 118 (25%) to a baseline assessment, in 108 (23%) to a target condition, and in 23 (5%) to follow-up. Post-randomisation exclusions occurred in 380 (80%) trials. The results reported by 270 of the 352 (77%) superiority trials favoured the drug under investigation. All of the 123 trials using equivalence or non-inferiority methods to investigate interventions reported results that favoured their assumptions.ConclusionsRandomised controlled trials that report using a modified intention to treat are increasingly being published in the medical literature. The descriptions of such an approach were ambiguous, and may cover any type of descriptions for exclusion, such as missing data and deviation from protocol. Explicit statements about post-randomisation exclusions should replace the ambiguous terminology of modified intention to treat.

Project description:INTRODUCTION:The effectiveness of complex interventions for the management of musculoskeletal disorders has been estimated in many randomised clinical trials (RCTs). These trials inform which interventions are the most effective, however they do not always inform how an intervention achieved its clinical outcomes, nor how and what elements of an intervention were delivered to patients. Such information is useful for translating findings into clinical practice. A few process evaluation studies have been conducted alongside RCTs and a variety of methods have been used. To gain a better understanding of current practices of process evaluation in RCTs in musculoskeletal disorders, this systematic review is designed to answer the following research question: How are process evaluation of complex interventions tested in RCTs in musculoskeletal disorders being conducted? METHODS AND ANALYSIS:We will systematically search seven electronic databases (MEDLINE, SCOPUS, CINAHL, PsycINFO, EMBASE, Web of Science and Cochrane database) from the date of inception to August 2018 for studies on process evaluation of RCTs on non-surgical and non-pharmacological management of musculoskeletal disorders. We will include qualitative and quantitative studies conducted alongside RCTs, reported with the RCTs or separate studies that assessed interventions for musculoskeletal disorders. Two reviewers will screen abstracts and apply prespecified inclusion criteria to identify relevant studies, extract the data and assess the risk of bias within included studies. We will follow recommendations from the 'Cochrane Qualitative and Implementation Methods Group Guidance Series' when assessing methodological strengths and limitations of included studies. We will use a narrative synthesis to describe findings. ETHICS AND DISSEMINATION:Ethical approval is not required as this review will not collect original data. Findings from this systematic review will be presented at a scientific conference and published in a peer reviewed journal. PROSPERO REGISTRATION NUMBER:CRD42018109600.

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Protocol for a systematic review of reporting standards of anaesthetic interventions in randomised controlled trials.

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Protocol for a systematic review of reporting standards of anaesthetic interventions in randomised controlled trials.

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