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Updated: Dec 21, 2025

Knee Arthrocentesis in Adults
Published on: February 25, 2022
Resident Involvement Is Not Associated With Increased Risk of Postoperative Complications After Arthroscopic Knee
Zain M Khazi1, Trevor R Gulbrandsen2, Alan G Shamrock2
1University of Iowa Hospitals and Clinics, Department of Orthopedics and Rehabilitation, Iowa City, Iowa, U.S.A..
Resident involvement in knee arthroscopy does not increase postoperative complications. While operative times and hospital stays were longer with resident participation, these increases were not clinically significant.
Area of Science:
- Orthopedic Surgery
- Surgical Quality Improvement
- Medical Education
Background:
- Resident training is crucial for developing surgical expertise.
- The impact of resident involvement on patient outcomes in knee arthroscopy is not fully understood.
Purpose of the Study:
- To determine if resident involvement in knee arthroscopy impacts postoperative complications or operative times.
Main Methods:
- A retrospective cohort study using the American College of Surgeons National Surgical Quality Improvement Program registry (2006-2012).
- Propensity score matching was used to compare patients with and without resident involvement.
- Analysis included 30-day postoperative complications, operative time, and length of hospital stay.
Main Results:
- No significant difference in overall 30-day postoperative complications (1.1% in both groups).
- No significant difference in surgical or medical complications between groups.
- Resident involvement was associated with longer operative times (69.8 vs 66.8 minutes) and length of hospital stay (0.85 vs 0.21 days).
Conclusions:
- Resident involvement in knee arthroscopy does not pose a significant risk for 30-day postoperative complications.
- Increased operative time and length of stay associated with resident participation are statistically significant but likely clinically insignificant.
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