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Avoiding Complications in Total Knee Replacement Surgery – Body Weight Matters

April 7, 2018 By Stefan D. Tarlow MD

Study: Is there a reasonable BMI criterion for TJA?
A study published in the April 4 issue of The Journal of Bone & Joint Surgery attempts to assess various body mass index (BMI) criteria for total joint arthroplasty (TJA). The authors conducted a retrospective, cohort study of 27,671 TJAs to determine if various BMI eligibility criteria had been enforced, how many short-term complications would have been avoided, how many complication-free surgical procedures would have been denied, and the positive predictive value of BMI eligibility criteria as tests for major complications. They found that with a BMI criterion of ≥40 kg/m 2, 1,148 patients would have been denied a surgical procedure free of major complications, and 83 patients would have avoided a major complication. They write that the positive predictive value of a complication based on a BMI of ≥40 kg/m 2 as a test for major complications was 6.74 percent, while the positive predictive value of a complication using a BMI criterion of ≥30 kg/m 2 was 5.33 percent. “Although the acceptable balance between avoiding complications and providing access to care can be debated,” they write, “such a quantitative assessment helps to inform decisions regarding the advisability of enforcing a BMI criterion for [TJA].”

Filed Under: Total Knee Replacement

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Scottsdale Knee Specialist & Surgeon – Stefan D. Tarlow M.D

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Total Knee Replacement: Causes, What To Expect, and Recovery

The Knee MD of Phoenix

TSA- Checkpoint and Knee Replacement

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  • ABOUT
    ▼
    • About Dr. Tarlow
    • About the Practice
    • Health Plans
    • Medicare & Self-Pay
  • SURGICAL TREATMENTS
    ▼
    • Robotic Mako Total Knee Replacement
    • Makoplasty Robotic Partial Knee Surgery
    • Robotic Cementless (Press Fit) Total Knee Replacement
    • ACL Reconstruction
    • Knee Arthroscopy
    • In-Office Platelet Rich Plasma (PRP) Knee Injection
    • Knee Cartilage Repair Restoration Surgery
    • Subchondroplasty
    • Knee Arthritis Treatment Options
    • Patello Femoral (Knee Cap) Replacement Surgery
    • My Knee Cap Hurts
    • Hyalofast Cartilage Restoration Surgery
  • SPORTS INJURIES
    ▼
    • Basketball Knee Injuries
    • Skiing Knee Injuries
    • Soccer Knee Injuries
    • Volleyball Knee Injuries
  • CONTACT
  • LOCATIONS
  • Articles