Computer Navigation for Revision Total Hip Arthroplasty Reduces Dislocation Rates

5 pages•Published: October 26, 2019

Zlatan Cizmic, Kaitlin Carroll, Seth Jerabek, Wayne Paprosky, Peter Sculco, Alejandro Gonzalez Della Valle, Patrick Meere, Alexander McLawhorn, Ran Schwarzkopf, Friedrich Boettner, David Mayman and Jonathan Vigdorchik

Abstract

INTRODUCTION: Computer-assisted hip navigation offers more accurate placement of hip components, potentially avoiding impingement, edge-loading, and dislocation; major causes of failure leading to revision THA. As such, the use of computer navigation may be particularly beneficial in the revision THA population. The purpose of this study was to determine if the use of computer-assisted hip navigation reduced the rate of dislocation in patients undergoing revision THA.

METHODS: A retrospective review of 72 patients undergoing computer-navigated revision THA between February 2016 and May 2017 was performed. Demographics, indications for revision, type of procedure performed, and postoperative complications were collected for all patients. Clinical follow-up was recorded at 3-months, 1-year and 2-years.

RESULTS: All 72 patients (48% female; 52% male) were included in the final analysis. Mean age of patients was 70.4 ± 11.2 years. Mean BMI was 26.4 ± 5.2 kg/m2. The most common indications for revision THA were instability (31%), aseptic loosening (29%), osteolysis/eccentric wear (18%), infection (11%), and miscellaneous (11%). At 3-months, 1-year, and 2-years there were no dislocations in any patients (0%). Compared to preoperative dislocation values, there was a significant reduction in the rate of dislocation with the use of computer-assisted hip navigation (31% vs. 0%; p<0.05).

DISCUSSION: Our study demonstrates a significant reduction in the rate of dislocation following revision THA with the use of computer navigation. Although the cause of postoperative dislocation is often multifactorial, the use of computer-assisted surgery may help to curtail femoral and acetabular malalignment in revision THA.

Keyphrases: computer assisted, dislocation, navigation, revision, revision total hip arthroplasty, rtha, tha, total hip arthroplasty

In: Patrick Meere and Ferdinando Rodriguez Y Baena (editors). CAOS 2019. The 19th Annual Meeting of the International Society for Computer Assisted Orthopaedic Surgery, vol 3, pages 57-61.

Links:	https://easychair.org/publications/paper/XCtw
	https://doi.org/10.29007/hftx

BibTeX entry

@inproceedings{CAOS2019:Computer_Navigation_Revision_Total,
  author    = {Zlatan Cizmic and Kaitlin Carroll and Seth Jerabek and Wayne Paprosky and Peter Sculco and Alejandro Gonzalez Della Valle and Patrick Meere and Alexander McLawhorn and Ran Schwarzkopf and Friedrich Boettner and David Mayman and Jonathan Vigdorchik},
  title     = {Computer Navigation for Revision Total Hip Arthroplasty Reduces Dislocation Rates},
  booktitle = {CAOS 2019. The 19th Annual Meeting of the International Society for Computer Assisted Orthopaedic Surgery},
  editor    = {Patrick Meere and Ferdinando Rodriguez Y Baena},
  series    = {EPiC Series in Health Sciences},
  volume    = {3},
  publisher = {EasyChair},
  bibsource = {EasyChair, https://easychair.org},
  issn      = {2398-5305},
  url       = {/publications/paper/XCtw},
  doi       = {10.29007/hftx},
  pages     = {57-61},
  year      = {2019}}

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