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Can a simple iPad app improve C-arm based component position in anterior THA?

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Can a simple iPad app improve C-arm based component position in anterior THA? / Bechler, Ulrich; Springer, Bernhard; Rueckl, Kilian; Rolvien, Tim; Boettner, Friedrich.

in: ARCH ORTHOP TRAUM SU, Jahrgang 141, Nr. 8, 08.2021, S. 1401-1409.

Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung

Harvard

Bechler, U, Springer, B, Rueckl, K, Rolvien, T & Boettner, F 2021, 'Can a simple iPad app improve C-arm based component position in anterior THA?', ARCH ORTHOP TRAUM SU, Jg. 141, Nr. 8, S. 1401-1409. https://doi.org/10.1007/s00402-021-03807-1

APA

Bechler, U., Springer, B., Rueckl, K., Rolvien, T., & Boettner, F. (2021). Can a simple iPad app improve C-arm based component position in anterior THA? ARCH ORTHOP TRAUM SU, 141(8), 1401-1409. https://doi.org/10.1007/s00402-021-03807-1

Vancouver

Bechler U, Springer B, Rueckl K, Rolvien T, Boettner F. Can a simple iPad app improve C-arm based component position in anterior THA? ARCH ORTHOP TRAUM SU. 2021 Aug;141(8):1401-1409. https://doi.org/10.1007/s00402-021-03807-1

Bibtex

@article{e82c15d9929144c58790c009178a0038,
title = "Can a simple iPad app improve C-arm based component position in anterior THA?",
abstract = "INTRODUCTION: Correct acetabular component positioning improves hip biomechanics, impingement free range of motion and may lead to a reduced risk of postoperative dislocation. The C-arm is a simple and cost-effective tool for THA in a supine position, however, evaluation of the images can be challenging due to parallax. The current study aimed to investigate whether a software app-based measurement technique can control acetabular component position and leg length in anterior THA.MATERIALS AND METHODS: Ninety-three patients with end-stage osteoarthritis aged 65.2 ± 9.6 years (range 30-86 years) were included in this prospective study. All patients underwent direct anterior THA using a Hana orthopedic surgery table. C-arm imaging and an iPad software app were used to determine intraoperative acetabular anteversion, inclination and leg length discrepancy. The app provides a measuring tool that is applied to intraoperative c-arm images. The intraoperative measurements were compared to the measurements of standard postoperative AP-pelvis radiographs.RESULTS: Intraoperative software app-based anteversion measurements averaged 20.5° (range 16.0° to 24.0°) compared to 20.9° (range 14.7° to 25.6°) postoperatively. Mean intraoperative inclination was 40.5° (range 35° to 48°) compared to postoperative 40.7° (range 35° to 49°). Mean intraoperative leg length discrepancy was 0.9 mm (range - 4-5 mm) compared to postoperative 0.6 mm (range - 5-6 mm). A strong Pearson's correlation was observed between the intraoperative and postoperative measurements for anteversion (r = .701; P < .0001), inclination (r = .816; P < .0001) and leg length discrepancy (r = .542; P < .0001).CONCLUSIONS: The software app used in the current study allowed for a simple and accurate measurement of intraoperative cup position and leg length in direct anterior THA.",
author = "Ulrich Bechler and Bernhard Springer and Kilian Rueckl and Tim Rolvien and Friedrich Boettner",
year = "2021",
month = aug,
doi = "10.1007/s00402-021-03807-1",
language = "English",
volume = "141",
pages = "1401--1409",
journal = "ARCH ORTHOP TRAUM SU",
issn = "0936-8051",
publisher = "Springer",
number = "8",

}

RIS

TY - JOUR

T1 - Can a simple iPad app improve C-arm based component position in anterior THA?

AU - Bechler, Ulrich

AU - Springer, Bernhard

AU - Rueckl, Kilian

AU - Rolvien, Tim

AU - Boettner, Friedrich

PY - 2021/8

Y1 - 2021/8

N2 - INTRODUCTION: Correct acetabular component positioning improves hip biomechanics, impingement free range of motion and may lead to a reduced risk of postoperative dislocation. The C-arm is a simple and cost-effective tool for THA in a supine position, however, evaluation of the images can be challenging due to parallax. The current study aimed to investigate whether a software app-based measurement technique can control acetabular component position and leg length in anterior THA.MATERIALS AND METHODS: Ninety-three patients with end-stage osteoarthritis aged 65.2 ± 9.6 years (range 30-86 years) were included in this prospective study. All patients underwent direct anterior THA using a Hana orthopedic surgery table. C-arm imaging and an iPad software app were used to determine intraoperative acetabular anteversion, inclination and leg length discrepancy. The app provides a measuring tool that is applied to intraoperative c-arm images. The intraoperative measurements were compared to the measurements of standard postoperative AP-pelvis radiographs.RESULTS: Intraoperative software app-based anteversion measurements averaged 20.5° (range 16.0° to 24.0°) compared to 20.9° (range 14.7° to 25.6°) postoperatively. Mean intraoperative inclination was 40.5° (range 35° to 48°) compared to postoperative 40.7° (range 35° to 49°). Mean intraoperative leg length discrepancy was 0.9 mm (range - 4-5 mm) compared to postoperative 0.6 mm (range - 5-6 mm). A strong Pearson's correlation was observed between the intraoperative and postoperative measurements for anteversion (r = .701; P < .0001), inclination (r = .816; P < .0001) and leg length discrepancy (r = .542; P < .0001).CONCLUSIONS: The software app used in the current study allowed for a simple and accurate measurement of intraoperative cup position and leg length in direct anterior THA.

AB - INTRODUCTION: Correct acetabular component positioning improves hip biomechanics, impingement free range of motion and may lead to a reduced risk of postoperative dislocation. The C-arm is a simple and cost-effective tool for THA in a supine position, however, evaluation of the images can be challenging due to parallax. The current study aimed to investigate whether a software app-based measurement technique can control acetabular component position and leg length in anterior THA.MATERIALS AND METHODS: Ninety-three patients with end-stage osteoarthritis aged 65.2 ± 9.6 years (range 30-86 years) were included in this prospective study. All patients underwent direct anterior THA using a Hana orthopedic surgery table. C-arm imaging and an iPad software app were used to determine intraoperative acetabular anteversion, inclination and leg length discrepancy. The app provides a measuring tool that is applied to intraoperative c-arm images. The intraoperative measurements were compared to the measurements of standard postoperative AP-pelvis radiographs.RESULTS: Intraoperative software app-based anteversion measurements averaged 20.5° (range 16.0° to 24.0°) compared to 20.9° (range 14.7° to 25.6°) postoperatively. Mean intraoperative inclination was 40.5° (range 35° to 48°) compared to postoperative 40.7° (range 35° to 49°). Mean intraoperative leg length discrepancy was 0.9 mm (range - 4-5 mm) compared to postoperative 0.6 mm (range - 5-6 mm). A strong Pearson's correlation was observed between the intraoperative and postoperative measurements for anteversion (r = .701; P < .0001), inclination (r = .816; P < .0001) and leg length discrepancy (r = .542; P < .0001).CONCLUSIONS: The software app used in the current study allowed for a simple and accurate measurement of intraoperative cup position and leg length in direct anterior THA.

U2 - 10.1007/s00402-021-03807-1

DO - 10.1007/s00402-021-03807-1

M3 - SCORING: Journal article

C2 - 33582865

VL - 141

SP - 1401

EP - 1409

JO - ARCH ORTHOP TRAUM SU

JF - ARCH ORTHOP TRAUM SU

SN - 0936-8051

IS - 8

ER -