Spinopelvic imbalances are associated with worse postoperative functional outcomes in patients undergoing total hip arthroplasty

Zandi R 1 , Manafi-Rasi A 2 , Talebi S 3 , Ehsani A 1 , Salarzadeh-Jenatabadi H 4

Affiliations 

  • 1 Department of Orthopedic Surgery, Taleghani Hospital Research Development Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  • 2 Department of Orthopedics, Imam Hossein Hospital, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  • 3 Department of Orthopedic Surgery, Taleghani Hospital Research Development Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Sh.talebi1365@gmail.com
  • 4 Department of Science and Technology Studies, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia
Eur J Orthop Surg Traumatol, 2023 Dec;33(8):3603-3609.
PMID: 37248436 DOI: 10.1007/s00590-023-03600-3

Abstract

PURPOSE: We aimed to investigate the relationship between spinopelvic imbalances and functional disabilities after total hip arthroplasty in an at least two years of follow-up.

METHODS: Patients with normal sagittal alignment and normal motion (PI-LL  10°) were defined as control, and patients with any of sagittal alignment or motion abnormalities were defined as case groups. Visual Analog Scale, SF-36, Harris hip score, HOOS-JR, and complications were recorded.

RESULTS: The differences of the means of Harris hip score, HOOS-JR, SF-36, and VAS score in the control and case groups were statistically significant. The mean of these parameters in patients with sagittal balanced (PI-LL  10°). Same results were noted in patients with decreased (∆SS  10°).

CONCLUSION: Our observations indicate that spinopelvic imbalances are associated with worse postoperative functional outcomes in patients undergoing total hip arthroplasty.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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