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Technical Obstacles in Total Knee Arthroplasty Learning: A Steps Breakdown Evaluation.

Katharine D Harper1, Landon D Brown1, Bradley S Lambert1

  • 1Department of Orthopedics and Sports Medicine, Houston Methodist Hospital (Dr. Harper, Dr. Brown, Dr. Clyburn, and Dr. Incavo); the Orthopedic Biomechanics Research Laboratory, Department of Orthopedics and Sports Medicine, Houston Methodist Hospital (Dr. Lambert), Houston, TX; and the Biomechanics Environments Laboratory, Department of Mechanical Engineering, Texas A&M University, College Station, TX (Dr. Lambert).

Journal of the American Academy of Orthopaedic Surgeons. Global Research & Reviews
|December 21, 2019
PubMed
Summary
This summary is machine-generated.

Senior residents performing total knee arthroplasty (TKA) face challenges with conceptual tasks, not just technical skills. This suggests a need to shift TKA training focus towards conceptual understanding for improved surgical proficiency.

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Area of Science:

  • Orthopaedic Surgery
  • Surgical Education

Background:

  • Total knee arthroplasty (TKA) is a fundamental orthopaedic procedure.
  • Competency in TKA is expected for all surgical residents.
  • Identifying learning obstacles in TKA is crucial for effective training.

Purpose of the Study:

  • To identify the most common technical and conceptual obstacles encountered by residents during TKA training.
  • To assess the relationship between surgical experience and proficiency in TKA steps.

Main Methods:

  • Prospective, observational cohort study.
  • Faculty surveys assessing resident performance on 10 TKA-related questions (0-5 scale).
  • Residents divided into junior (<20 cases) and senior (>20 cases) groups.

Main Results:

  • Senior residents scored higher than junior residents across all assessed skills (P < 0.05).
  • Proficiency in TKA steps was interconnected, with earlier steps significantly impacting subsequent success (P < 0.01).
  • Residents demonstrated greater difficulty with conceptual aspects of TKA compared to purely technical execution.

Conclusions:

  • Even senior residents may not master all TKA steps, potentially impacting future independent practice.
  • Conceptual challenges, rather than technical ones, appear to be the primary learning hurdle in TKA.
  • Surgical training curricula should emphasize conceptual understanding alongside technical skill development for TKA.