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de Jonge SW, Hulskes RH, Zokaei Nikoo M, Weenink RP, Meyhoff CS, Leslie K, Myles P, Forbes A, Greif R, Akca O, Kurz A, Sessler DI, Martin J, Dijkgraaf MG, Pryor K, Belda FJ, Ferrando C, Gurman GM, Scifres CM, McKenna DS, Chan MT, Thibon P, Mellin-Olsen J, Allegranzi B, Boermeester M, Hollmann MW. Benefits and harms of perioperative high fraction inspired oxygen for surgical site infection prevention: a protocol for a systematic review and meta-analysis of individual patient data of randomised controlled trials. BMJ Open 2023; 13:e067243. [PMID: 37899157 PMCID: PMC10619062 DOI: 10.1136/bmjopen-2022-067243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 07/27/2023] [Indexed: 10/31/2023] Open
Abstract
INTRODUCTION The use of high fraction of inspired oxygen (FiO2) intraoperatively for the prevention of surgical site infection (SSI) remains controversial. Promising results of early randomised controlled trials (RCT) have been replicated with varying success and subsequent meta-analysis are equivocal. Recent advancements in perioperative care, including the increased use of laparoscopic surgery and pneumoperitoneum and shifts in fluid and temperature management, can affect peripheral oxygen delivery and may explain the inconsistency in reproducibility. However, the published data provides insufficient detail on the participant level to test these hypotheses. The purpose of this individual participant data meta-analysis is to assess the described benefits and harms of intraoperative high FiO2compared with regular (0.21-0.40) FiO2 and its potential effect modifiers. METHODS AND ANALYSIS Two reviewers will search medical databases and online trial registries, including MEDLINE, Embase, CENTRAL, CINAHL, ClinicalTrials.gov and WHO regional databases, for randomised and quasi-RCT comparing the effect of intraoperative high FiO2 (0.60-1.00) to regular FiO2 (0.21-0.40) on SSI within 90 days after surgery in adult patients. Secondary outcome will be all-cause mortality within the longest available follow-up. Investigators of the identified trials will be invited to collaborate. Data will be analysed with the one-step approach using the generalised linear mixed model framework and the statistical model appropriate for the type of outcome being analysed (logistic and cox regression, respectively), with a random treatment effect term to account for the clustering of patients within studies. The bias will be assessed using the Cochrane risk-of-bias tool for randomised trials V.2 and the certainty of evidence using Grading of Recommendations, Assessment, Development and Evaluation methodology. Prespecified subgroup analyses include use of mechanical ventilation, nitrous oxide, preoperative antibiotic prophylaxis, temperature (<35°C), fluid supplementation (<15 mL/kg/hour) and procedure duration (>2.5 hour). ETHICS AND DISSEMINATION Ethics approval is not required. Investigators will deidentify individual participant data before it is shared. The results will be submitted to a peer-review journal. PROSPERO REGISTRATION NUMBER CRD42018090261.
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Affiliation(s)
- Stijn W de Jonge
- Department of Surgery, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Department of Anaesthesiology, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Gastroenterology Endocrinology and Metabolism, Amsterdam, The Netherlands
| | - Rick H Hulskes
- Department of Surgery, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Department of Anaesthesiology, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
| | | | - Robert P Weenink
- Department of Anaesthesiology, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
| | - Christian S Meyhoff
- Department of Anaesthesia and Intensive Care, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark
| | - Kate Leslie
- Department of Critical Care, Melbourne Medical School, University of Melbourne, Melbourne, Victoria, Australia
| | - Paul Myles
- Department of Anaesthesiology and Perioperative Medicine, Alfred Hospital, Monash University, Melbourne, Victoria, Australia
| | - Andrew Forbes
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Robert Greif
- Department of Anaesthesiology and Pain Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Ozan Akca
- Department of Anaesthesiology and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Andrea Kurz
- Department of Outcomes Research, Cleveland Clinic, Cleveland, Ohio, USA
- Department of General Anaesthesiology, Cleveland Clinic, Cleveland, Ohio, USA
| | - Daniel I Sessler
- Department of Outcomes Research, Cleveland Clinic, Cleveland, Ohio, USA
- Department of General Anaesthesiology, Cleveland Clinic, Cleveland, Ohio, USA
| | - Janet Martin
- Department of Anaesthesiology and Perioperative Medicine, and Department of Epidemiology and Biostatistics, University of Western Ontario, London, Ontario, Canada
| | - Marcel Gw Dijkgraaf
- Epidemiology and Data Science, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Public Health, Methodology, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
| | - Kane Pryor
- Department of Anaesthesiology, Weil Medical College of Cornell University, New York City, New York, USA
| | - F Javier Belda
- Department of Surgery, Hospital Clinico Universitario de Valencia, Valencia, Valenciana, Spain
- Department of Anaesthesia and Critical Care, Hospital Clinico Universitario de Valencia, Valencia, Spain
| | - Carlos Ferrando
- Department of Anaesthesiology and Critical Care, Hospital Clínic de Barcelona, Barcelona, Spain
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Gabriel M Gurman
- Department of Anaesthesiology and Critical Care Medicine, Ben-Gurion University of the Negev, Be'er Sheva, Israel
| | - Christina M Scifres
- Department of Obstetrics and Gynaecology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - David S McKenna
- Department of Obstetrics and Gynaecology, Wright State University and Miami Valley Hospital, Dayton, Ohio, USA
| | - Matthew Tv Chan
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, China
| | - Pascal Thibon
- Centre d'appui pour la Prévention des Infections Associées aux Soins, CPias Normandie, Centre Hospitalo-Universitaire, Caen, Normandy, France
| | | | | | - Marja Boermeester
- Department of Surgery, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Gastroenterology Endocrinology and Metabolism, Amsterdam, The Netherlands
| | - Markus W Hollmann
- Department of Anaesthesiology, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
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