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Purpose <p>Osteoporosis is a well-recognized risk factor for complications after total knee arthroplasty (TKA). However, the effect of pre-TKA osteoporosis on healthcare utilization and patient-reported outcomes is poorly understood. Here, we characterize the association between pre-TKA osteoporosis and (1) healthcare utilization and patient-reported pain and function outcome measures; and (2) dual X-ray absorptiometry (DEXA) scan<i> T</i>-scores and the aforementioned outcomes.</p> Methods <p>A prospective cohort of primary elective TKA patients between July 2015 and January 2020 was obtained (<i>n</i> = 6318), of which 4922 (77.9%) completed 1-year follow-up. Outcomes included healthcare utilization (prolonged length of stay (LOS) ≥ 3D, discharge disposition (DD), 90-day readmission, and 1-year reoperation) as well as Knee Injury and Osteoarthritis Outcome Score (KOOS) Pain, KOOS-function (PS) and satisfaction.</p> Results <p>The prevalence of pre-TKA osteoporosis was 66.8%, of which 28.7% had a DEXA scan and 66.3% were on osteoporosis medications. Medicated osteoporotic patients were independently associated with higher odds of prolonged LOS (Odds Ratio (OR): 1.21 (95% Confidence Interval (CI) 1.02–1.43)) and non-home DD (OR:1.56 (95%CI 1.25–1.95)). Medicated and non-medicated osteoporosis patients were associated with higher odds of 90-day readmission. The odds of failing to achieve MCID or satisfaction were not associated with preoperative OP diagnosis.</p> Conclusion <p>Two-thirds of primary TKA recipients had osteoporosis. Among these patients, two-thirds were on medication and one-third had a DEXA scan. Osteoporotic patients are at a higher risk of 90-day hospital readmission, longer hospital stays and non-home discharge. Interestingly, osteoporosis status was not associated with failure to achieve clinically significant improvements or satisfaction at 1&#xa0;year following TKA.</p>

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Prevalence and impact of preoperative osteoporosis on healthcare utilization and patient-reported outcomes in primary total knee arthroplasty

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月4日

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  • Alvaro Ibaseta,
  • Ahmed K Emara,
  • Benjamin E Jevnikar,
  • Shujaa T Khan,
  • Ignacio Pasqualini,
  • Oguz Turan,
  • Cleveland Clinic Adult Reconstruction Research,
  • Nicolas S Piuzzi

摘要

Purpose

Osteoporosis is a well-recognized risk factor for complications after total knee arthroplasty (TKA). However, the effect of pre-TKA osteoporosis on healthcare utilization and patient-reported outcomes is poorly understood. Here, we characterize the association between pre-TKA osteoporosis and (1) healthcare utilization and patient-reported pain and function outcome measures; and (2) dual X-ray absorptiometry (DEXA) scan T-scores and the aforementioned outcomes.

Methods

A prospective cohort of primary elective TKA patients between July 2015 and January 2020 was obtained (n = 6318), of which 4922 (77.9%) completed 1-year follow-up. Outcomes included healthcare utilization (prolonged length of stay (LOS) ≥ 3D, discharge disposition (DD), 90-day readmission, and 1-year reoperation) as well as Knee Injury and Osteoarthritis Outcome Score (KOOS) Pain, KOOS-function (PS) and satisfaction.

Results

The prevalence of pre-TKA osteoporosis was 66.8%, of which 28.7% had a DEXA scan and 66.3% were on osteoporosis medications. Medicated osteoporotic patients were independently associated with higher odds of prolonged LOS (Odds Ratio (OR): 1.21 (95% Confidence Interval (CI) 1.02–1.43)) and non-home DD (OR:1.56 (95%CI 1.25–1.95)). Medicated and non-medicated osteoporosis patients were associated with higher odds of 90-day readmission. The odds of failing to achieve MCID or satisfaction were not associated with preoperative OP diagnosis.

Conclusion

Two-thirds of primary TKA recipients had osteoporosis. Among these patients, two-thirds were on medication and one-third had a DEXA scan. Osteoporotic patients are at a higher risk of 90-day hospital readmission, longer hospital stays and non-home discharge. Interestingly, osteoporosis status was not associated with failure to achieve clinically significant improvements or satisfaction at 1 year following TKA.