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Postoperative complications in underweight patients undergoing total hip arthroplasty: A comparative analysis to

Mikhail Zusmanovich1, Benjamin Kester1, James Feng1

  • 1Division of Adult Reconstruction, Department of Orthopaedic Surgery, NYU Langone Medical Center, Hospital for Joint Diseases, New York, NY, 10003, United States.

Journal of Orthopaedics
|June 9, 2018
PubMed

Insights

Underweight patients undergoing total hip arthroplasty (THA) do not experience increased medical or surgical complications. However, these patients do have a longer length of hospital stay (LOS).

Area of Science:

  • Orthopedic Surgery
  • Arthroplasty Research
  • Patient Outcomes

Background:

  • Underweight individuals undergoing total hip arthroplasty (THA) are an understudied population.
  • Complications profiles for underweight THA patients are not well-established.
  • Comparison with normal weight individuals is lacking.

Purpose of the Study:

  • To evaluate the complication profiles of underweight patients undergoing THA.
  • To compare outcomes between underweight and normal weight patients after THA.
  • To identify potential risks associated with THA in underweight populations.

Main Methods:

  • Utilized the NSQIP database for patient selection.
  • Matched patients and divided them into underweight and normal weight groups based on Body Mass Index (BMI).
  • Analyzed recorded complications to determine differences in outcomes.

Main Results:

  • Multivariate analysis indicated a significantly increased length of hospital stay (LOS) for underweight patients (p=0.006).
  • No statistically significant increase in medical or surgical complication rates was observed in underweight patients.
  • Infectious complication rates were not higher in the underweight group.

Conclusions:

  • Underweight patients undergoing THA do not face elevated rates of infectious or medical complications.
  • A longer length of hospital stay (LOS) is a notable outcome for underweight THA patients.
  • THA can be performed in underweight patients without a higher risk of common complications, though LOS should be considered.
Abstract

Keywords:
BMIComplicationsMalnutritionTotal hip arthroplastyUnderweight

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