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Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
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Risk factors for in-patient myocardial infarction following total hip arthroplasty

Enzo C Mesarick1, Terrul L Ratcliff2, Jonathan Jose3

  • 1University of Texas Southwestern, Dallas, TX, USA.

Journal of Orthopaedics
|February 5, 2024
PubMed

Insights

Older age, female sex, and certain comorbidities increase myocardial infarction risk after total hip arthroplasty (THA). Understanding these factors aids in identifying high-risk patients and tailoring preventative strategies for better outcomes.

Area of Science:

  • Orthopedic Surgery
  • Cardiology
  • Health Services Research

Background:

  • Total hip arthroplasty (THA) is a common procedure for hip joint issues.
  • Myocardial infarction (MI) is a serious complication that can occur post-THA.
  • Identifying risk factors for post-THA MI is crucial for patient safety.

Purpose of the Study:

  • To identify demographic and comorbidity-related risk factors for myocardial infarction (MI) occurring immediately after total hip arthroplasty (THA).

Main Methods:

  • Utilized the 2016-2019 Nationwide Inpatient Sample database.
  • Identified patients undergoing primary THA with and without subsequent MI.
  • Performed univariate and multivariate logistic regression analyses to determine risk factors.

Main Results:

  • Older age, female sex, prior coronary artery bypass graft, obesity, colostomy, and Parkinson's disease were associated with increased odds of MI.
  • Elective admission and tobacco use disorder were associated with decreased odds of MI.
  • Patients experiencing MI had significantly longer hospital stays and higher costs.

Conclusions:

  • Patient background and comorbidities significantly influence the risk of MI post-THA.
  • Findings can guide the identification of high-risk individuals requiring enhanced precautions.
  • Tailored treatment strategies can be developed to mitigate MI risk in THA patients.
Abstract

Keywords:
In-patientMyocardial infarctionRiskTotal hip arthroplasty

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