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Updated: Jul 4, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
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The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

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Total hip arthroplasty in the underweight.

Daniel T Alfonso1, R Damani Howell, Glinys Caceres

  • 1Department of Orthopaedic Surgery, Musculoskeletal Research Center, NYU-Hospital for Joint Diseases, New York, New York, USA.

The Journal of Arthroplasty
|June 7, 2008
PubMed
Summary

Total hip arthroplasty effectively improves function for underweight patients with arthritis. However, these patients face higher risks of dislocation and requiring blood transfusions post-surgery.

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Update on: Firsttrimester Diagnosis and Therapy @ 11 - 13 <sup>+6</sup> weeks' gestation : Amendment to the Guideline of DEGUM, ÖGUM, SGUMGG, DGGG, ÖGG, Gynecologie Suisse, DGPM, DGPGM, BVF, ACHSE (AWMF S2e LL085-002 1.1.2024) (https://register.awmf.org/de/leitlinien/detail/085-002).

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Update on: Firsttrimester Diagnosis and Therapy @ 11-13+6 weeks' gestation.

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Firsttrimester Diagnosis and Therapy @ 11 - 13 <sup>+6</sup> Weeks of Gestation - Part 2 : Guideline of the DEGUM, ÖGUM, SGUMGG, DGGG, ÖGG, Gynecologie Suisse, DGPM, DGPGM, BVF, ACHSE (AWMF S2e LL 085-002 1.1.2024) (https://register.awmf.org/de/leitlinien/detail/085-002).

Geburtshilfe und Frauenheilkunde·2024
Same author

Firsttrimester Diagnosis and Therapy @ 11 - 13 <sup>+6</sup> Weeks of Gestation - Part 1 : Guideline of the DEGUM, ÖGUM, SGUMGG, DGGG, ÖGG, Gynecologie Suisse, DGPM, DGPGM, BVF, ACHSE (AWMF S2e LL 085-002 1.1.2024) (https://register.awmf.org/de/leitlinien/detail/085-002).

Geburtshilfe und Frauenheilkunde·2024
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Firsttrimester Diagnosis and Therapy @ 11-13+6 Weeks of Gestation - Part 2.

Ultraschall in der Medizin (Stuttgart, Germany : 1980)·2024
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Firsttrimester Diagnosis and Therapy @ 11-13+6 Weeks of Gestation - Part 1.

Ultraschall in der Medizin (Stuttgart, Germany : 1980)·2024

Area of Science:

  • Orthopedics
  • Arthroplasty Surgery
  • Rheumatology

Background:

  • Underweight patients (BMI < 18.5) with arthritis present unique challenges for surgical interventions.
  • Total hip arthroplasty (THA) is a common procedure for hip arthritis, but outcomes in underweight populations require specific consideration.

Purpose of the Study:

  • To evaluate the outcomes and complication rates of total hip arthroplasty (THA) in underweight patients.
  • To assess the long-term functional improvements and risks associated with THA in this patient cohort.

Main Methods:

  • Retrospective review of 20 underweight patients (BMI < 18.5) who underwent THA at a single institution.
  • Analysis of surgical and medical complications within 30 days post-surgery.
  • Assessment of functional outcomes using Harris hip scores at long-term follow-up (average 6.1 years).

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Last Updated: Jul 4, 2026

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In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
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Published on: July 2, 2021

Main Results:

  • Surgical complications included prolonged drainage (1) and posterior dislocations (3).
  • Medical complications occurred in two patients, including one death.
  • Sixty-five percent of patients required at least one blood transfusion.
  • Harris hip scores significantly improved from 35 to 81 (P < .05).

Conclusions:

  • Total hip arthroplasty demonstrates effectiveness in improving function for underweight patients with hip arthritis.
  • Underweight patients undergoing THA exhibit an increased risk of dislocation and need for blood transfusions.
  • Careful patient selection and perioperative management are crucial for optimizing THA outcomes in underweight individuals.