Related Experiment Video
Updated: Jul 4, 2026
09:51
The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
Published on: September 7, 2022
Does different time interval between staggered bilateral total knee arthroplasty affect perioperative outcome? A
Chia-Chan Wu1, Chih-Peng Lin, Yu-Chang Yeh
1Department of Anesthesiology, Far Eastern Memorial Hospital, Taipei County, Taiwan, ROC.
The Journal of Arthroplasty
|June 3, 2008
Summary
Staggered bilateral total knee arthroplasty (BTKA) performed 2 or 7 days apart showed similar complication rates. This suggests the interval between surgeries does not significantly impact patient outcomes after BTKA.
Area of Science:
- Orthopedic Surgery
- Arthroplasty Research
Background:
- Staggered bilateral total knee arthroplasty (BTKA) is a surgical approach for patients requiring knee replacement in both knees.
- Previous research indicates that performing BTKA 4–7 days apart reduces complications compared to other methods.
Purpose of the Study:
- To investigate if the time interval between staggered bilateral total knee arthroplasty (BTKA) affects clinical outcomes.
- To compare complication rates between BTKA performed with a 2-day versus a 7-day interval.
Main Methods:
- Retrospective study of 79 patients who underwent BTKA between 2002 and 2004.
- Patients were divided into two groups based on the interval between the first and second total knee arthroplasty (TKA): 2 days (n=46) or 7 days (n=33).
- Analysis of major and minor perioperative complications during hospitalization.
Main Results:
- No significant difference in the incidence of major complications (e.g., myocardial infarction, pulmonary embolism) between the 2-day and 7-day interval groups.
- Similar rates of minor complications (e.g., transient hypotension, low SpO2) were observed in both groups.
- Perioperative complication rates for the first and second TKAs were comparable regardless of the 2- or 7-day interval.
Conclusions:
- The interval between staged bilateral total knee arthroplasty (BTKA) procedures, specifically 2 versus 7 days, does not appear to influence the occurrence of major or minor perioperative complications.
- These findings suggest flexibility in scheduling staggered BTKA within this timeframe without compromising patient safety regarding immediate postoperative complications.