Effect of Age on Postoperative Outcomes Following Total Knee Arthroplasty

The Journal of Knee Surgery
Randa D K ElmallahMichael A Mont

Abstract

The demand for total knee arthroplasty (TKA) continues to grow exponentially, and this has been attributed to a higher prevalence of osteoarthritis and excellent procedural success. In particular, with increasing life expectancies and obesity rates, surgeons are seeing patients with a wider age range. Therefore, we assessed the effects of patient age on: (1) range of motion (ROM); (2) pain and function; (3) physical and mental status; and (4) activity levels following TKA. We assessed 278 TKA patients (108 men, 170 women), with subdivision into three age-specific groups: < 55, 55 to 74, and 75 years or older. ROM was assessed and functional outcomes were evaluated using the Knee Society scoring (KSS) system, the short form-36 (SF-36), and the lower extremity activity scale (LEAS). The patients were assessed preoperatively and postoperatively at 6 weeks, 3 months, 12 months, and then yearly thereafter until 7 years. All cohorts demonstrated improvements in ROM, with no significant differences between the age groups. For KSS objective, there were no significant differences between groups after 6-week follow-up, though in pain and motion, the 75 years and older had the highest mean score at final follow-up (97 points). In KSS func...Continue Reading

Citations

Dec 1, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Laura J KleebladAndrew D Pearle
Nov 18, 2020·Knee Surgery & Related Research·Seung Hoon LeeYong Seuk Lee
Jul 20, 2021·The Journal of Arthroplasty·Said Mohamad SayahDaniel Steffens
Sep 5, 2021·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Thomas LaskowRavi Varadhan

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