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Perioperative changes in pelvic tilt after hip resurfacing using a direct lateral approach

	author = {Linsen T. Samuel and Jared Warren and Jacob M. Rabin and Alexander J. Acuña and Amy Shuster and Jordan Patterson and Michael A. Mont and Peter J. Brooks},
	title = {Perioperative changes in pelvic tilt after hip resurfacing using a direct lateral approach},
	journal = {Annals of Translational Medicine},
	volume = {0},
	number = {0},
	year = {2019},
	keywords = {},
	abstract = {Background: Proper positioning of the acetabular component is critical for prevention of dislocation and excessive wear for total hip arthroplasty (THA) and hip resurfacing. Consideration of preoperative pelvic tilt (PT) may aid in acetabular component placement. The purpose of this study was to investigate how PT changes after hip resurfacing, via pre and post-operative radiographic analysis of anterior pelvic plane (APP), and whether radiographic analysis of the APP is a reproducible method for evaluating PT in resurfaced hips. 
Methods: A consecutive group of 228 patients from a single surgeon who had hip resurfacing were evaluated. We obtained X-rays from an institutional database for these patients who had their surgeries between January 1st, 2014 to December 31st, 2016. PT was measured by two observers before and after resurfacing utilizing a standardized radiographic technique. Correlation coefficients were calculated for PT measurements between observers, and pre- and post-surgery. 
Results: Mean preoperative PT was 0.7° (SD ±6.6°) and 0.4° (SD ±6.1°). Mean post-operative PT was −1.2° (SD ±6.2°) and −1.2° (SD ±6.0°). Correlations between pre and post-operative PT were R=0.829 (P},
	issn = {2305-5847},	url = {}