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Axial pelvic tilt in direct anterior Total hip Arthroplasty using a traction table

Aichmair, Alexander, Dominkus, Martin and Hofstaetter, Jochen (2020) Axial pelvic tilt in direct anterior Total hip Arthroplasty using a traction table. BMC Musculoskeletal Disorders.

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Abstract

Background: Direct anterior approach total hip arthroplasty may be undertaken on a traction table, but the effects that patient positioning can have on axial pelvic tilt (aPT) are unknown. The aim of this study was to assess the degree of error from patient positioning on the traction table during anterior minimally-invasive surgery (AMIS) THA. Methods: Patients were included who underwent direct anterior THA via the AMIS technique at a single institution between 11/2018 and 03/2019. Axial pelvic tilt was measured (a) in the supine position on the operating table, and (b) after positioning on the traction table, by the same consultant surgeon in all cases. Results: In the above-mentioned study period, 50 patients (F: 32; M: 18) with an average age of 60.6 ± 13.6 (range: 26.5 to 88.3) years, and an average BMI of 27.2 ± 5.0 (range: 17.9 to 41.5) kg/m2 met the inclusion criteria. When measured in supine position, the average aPT was − 0.2 ± 1.7 (range: − 5.6 to 3.8) degrees. After positioning on the traction table, the average aPT was − 3.5 ± 2.1 (− 8.5 to 1.6) degrees (p < 0.001). In patients with an aPT of more than 5 degrees, the caput-collum-diaphyseal (CCD) angle was significantly lower (125 ± 11° vs. 134 ± 8°, p = 0.007). Conclusion: This study raises awareness for the potential risk of aPT during positioning of the patient on the traction table, commonly used during direct anterior THA via the AMIS technique.
Item Type: Fachpublikation (peer reviewed)
Divisions: Orthopädisches Spital Speising > Michael-Ogon-Labor
Depositing User: Research Lab
Date Deposited: 21 Sep 2021 13:46
Last Modified: 21 Sep 2021 13:46
URI: https://eprints.vinzenzgruppe.at/id/eprint/9251

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