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Knee arthroplasty utilization trends from 2010 to 2019
Samuel I Fuller1, Jordan S Cohen2, Alisa Malyavko1
1Department of Orthopaedic Surgery, George Washington University Hospital, 2300 M St NW, Washington DC 20037, USA.
The Knee
|October 10, 2022
Summary
Partial knee arthroplasty procedures like patellofemoral arthroplasty (PFA) and bicompartmental knee arthroplasty (BKA) saw decreased use, while computer assistance in unicompartmental arthroplasty (UKA) and total knee arthroplasty (TKA) increased. TKA remains the most common procedure for osteoarthritis.
Area of Science:
- Orthopedic surgery trends
- Arthroplasty procedures
- Surgical technology adoption
Background:
- Partial knee arthroplasty (UKA, PFA, BKA) offers bone/ligament preservation over TKA.
- Evolving implant designs and indications have influenced partial knee arthroplasty use.
- Computer-assisted navigation has become more prevalent in knee procedures.
Purpose of the Study:
- To analyze trends in partial and total knee arthroplasty utilization over a decade.
- To evaluate the adoption of computer-assistance in knee arthroplasty procedures.
- To compare the utilization rates of different arthroplasty types and navigation technologies.
Main Methods:
- Retrospective cohort analysis of the PearlDiver database (2010-2019).
- Identification of patients undergoing PFA, UKA, BKA, and TKA for osteoarthritis using CPT codes.
- Statistical analysis included CAGR and linear regression to assess utilization trends.
Main Results:
- PFA and BKA utilization significantly decreased (CAGR -5.73% and -10.49%, respectively).
- UKA and TKA utilization showed no significant change.
- Computer assistance significantly increased for UKA (+19.81%) and TKA (+3.90%), but not for PFA or BKA.
Conclusions:
- Total knee arthroplasty (TKA) remains the predominant procedure for osteoarthritis.
- Declining use of PFA and BKA may be linked to higher reported failure and revision rates compared to TKA.
- Increased adoption of computer assistance in UKA and TKA suggests a shift towards technologically aided joint replacement surgery.
