Optimal timing for bilateral total knee arthroplasty: comparing simultaneous and staged procedures at various intervals: a systematic review and network meta-analysis.
{"title":"Optimal timing for bilateral total knee arthroplasty: comparing simultaneous and staged procedures at various intervals: a systematic review and network meta-analysis.","authors":"Cheng-Yang Chang, Kun-Han Lee, Jui-Chien Wang, Shang-Wen Tsai, Cheng-Fong Chen, Po-Kuei Wu, Wei-Ming Chen","doi":"10.1530/EOR-2024-0070","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>A staged bilateral total knee arthroplasty (BTKA) procedure is considered when a patient is not deemed suitable for simultaneous BTKA due to concerns about the risk of mortality and complications. However, no network meta-analysis has been conducted to compare simultaneous vs staged BTKA procedures with different intervals in terms of postoperative mortality and overall complication rates.</p><p><strong>Methods: </strong>Four databases - Medline, Embase, Cochrane Library and Web of Science - were searched from inception to December 19, 2023, for studies comparing patients who underwent staged BTKA with different intervals and simultaneous BTKA. The primary outcome domains were 1-year mortality and 90-day overall complications. Secondary outcomes included neurological, cardiovascular, pulmonary, infectious and venous thromboembolic complications within 90 days.</p><p><strong>Results: </strong>Fifteen observational studies were included. Staged BTKA with intervals between 6 weeks and 3 months (odds ratio (OR): 0.69, 95% CI: 0.53-0.91), between 3 and 6 months (OR: 0.67, 95% CI: 0.53-0.84) and longer than 6 months (OR: 0.67, 95% CI: 0.55-0.83) exhibited a lower mortality risk compared to simultaneous BTKA. Staged BTKA with an interval shorter than 6 weeks and longer than 6 months exhibited a higher risk of pulmonary (OR: 1.24, 95% CI: 1.03-1.49; OR: 1.64, 95% CI: 1.10-2.44) and infectious complications (OR: 1.50, 95% CI: 1.15-1.96; OR: 1.52, 95% CI: 1.14-2.02) compared to simultaneous BTKA. An interval between 3 and 6 months ranked best in outcomes of 1-year mortality (P score = 0.7849) and 90-day complications (P score = 0.7077).</p><p><strong>Conclusions: </strong>Staged BKTA with an interval of more than 6 weeks but less than 6 months is associated with a lower risk of postoperative mortality and complications. However, these results should be interpreted with caution due to potential biases inherent in the inclusion of nonrandomized studies.</p><p><strong>Level of evidence: </strong>II.</p>","PeriodicalId":48598,"journal":{"name":"Efort Open Reviews","volume":"10 1","pages":"28-36"},"PeriodicalIF":4.3000,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11728876/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Efort Open Reviews","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1530/EOR-2024-0070","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/1 0:00:00","PubModel":"Print","JCR":"Q1","JCRName":"ORTHOPEDICS","Score":null,"Total":0}
引用次数: 0
Abstract
Purpose: A staged bilateral total knee arthroplasty (BTKA) procedure is considered when a patient is not deemed suitable for simultaneous BTKA due to concerns about the risk of mortality and complications. However, no network meta-analysis has been conducted to compare simultaneous vs staged BTKA procedures with different intervals in terms of postoperative mortality and overall complication rates.
Methods: Four databases - Medline, Embase, Cochrane Library and Web of Science - were searched from inception to December 19, 2023, for studies comparing patients who underwent staged BTKA with different intervals and simultaneous BTKA. The primary outcome domains were 1-year mortality and 90-day overall complications. Secondary outcomes included neurological, cardiovascular, pulmonary, infectious and venous thromboembolic complications within 90 days.
Results: Fifteen observational studies were included. Staged BTKA with intervals between 6 weeks and 3 months (odds ratio (OR): 0.69, 95% CI: 0.53-0.91), between 3 and 6 months (OR: 0.67, 95% CI: 0.53-0.84) and longer than 6 months (OR: 0.67, 95% CI: 0.55-0.83) exhibited a lower mortality risk compared to simultaneous BTKA. Staged BTKA with an interval shorter than 6 weeks and longer than 6 months exhibited a higher risk of pulmonary (OR: 1.24, 95% CI: 1.03-1.49; OR: 1.64, 95% CI: 1.10-2.44) and infectious complications (OR: 1.50, 95% CI: 1.15-1.96; OR: 1.52, 95% CI: 1.14-2.02) compared to simultaneous BTKA. An interval between 3 and 6 months ranked best in outcomes of 1-year mortality (P score = 0.7849) and 90-day complications (P score = 0.7077).
Conclusions: Staged BKTA with an interval of more than 6 weeks but less than 6 months is associated with a lower risk of postoperative mortality and complications. However, these results should be interpreted with caution due to potential biases inherent in the inclusion of nonrandomized studies.
期刊介绍:
EFORT Open Reviews publishes high-quality instructional review articles across the whole field of orthopaedics and traumatology. Commissioned, peer-reviewed articles from international experts summarize current knowledge and practice in orthopaedics, with the aim of providing systematic coverage of the field. All articles undergo rigorous scientific editing to ensure the highest standards of accuracy and clarity.
This continuously published online journal is fully open access and will provide integrated CME. It is an authoritative resource for educating trainees and supports practising orthopaedic surgeons in keeping informed about the latest clinical and scientific advances.
One print issue containing a selection of papers from the journal will be published each year to coincide with the EFORT Annual Congress.
EFORT Open Reviews is the official journal of the European Federation of National Associations of Orthopaedics and Traumatology (EFORT) and is published in partnership with The British Editorial Society of Bone & Joint Surgery.