What question did this study set out to answer?

To compare the incidence of postoperative dislocation and component alignment among anterior, lateral, and posterolateral surgical approaches in robotic arm-assisted total hip arthroplasty.

May 3, 2022Hip InternationalOpen Access

Dislocation risk after robotic arm-assisted total hip arthroplasty: a comparison of anterior, lateral and posterolateral approaches

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Authors

AMAndrea MarcovigiUniversity of Modena and Reggio Emilia DSDario SandoniUniversity of Modena and Reggio Emilia LCL CiampaliniUniversity of Modena and Reggio Emilia

Discussion

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Implication

Multicenter comparative study reveals low dislocation rates across surgical approaches in robotic total hip arthroplasty, suggesting robotic navigation enhances overall joint stability.

Key Points

To compare the incidence of postoperative dislocation and component alignment among anterior, lateral, and posterolateral surgical approaches in robotic arm-assisted total hip arthroplasty.
Reviewed 1,059 patients undergoing robotic arm-assisted total hip arthroplasty across three centers between 2014 and 2019, categorized by anterior (n=323), lateral (n=394), or posterior (n=342) approach.
Assessed dislocation occurrences at 6 months of follow-up and recorded cup inclination, cup anteversion, stem anteversion, and combined anteversion using an integrated robotic navigation system.
A total of 3 dislocations occurred (2 posterior, 1 anterior), yielding an overall dislocation rate of 0.28% and an incidence rate of 0.14% (0.30% for anterior, 0% for lateral, and 0.34% for posterior).
Cup positioning inside the Lewinnek safe zone was achieved in 95.4% of anterior, 82.2% of posterior, and 82.0% of lateral approaches.
Combined version safe zone placement was reached in 98.0% of posterior, 73.0% of lateral, and 47.1% of anterior procedures.

Cite This Study

Marcovigi et al. (2022) studied this question.

synapsesocial.com/papers/6a95b40f240653f7dc7ea6e8 https://doi.org/10.1177/11207000221094513

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Implication

Multicenter comparative study reveals low dislocation rates across surgical approaches in robotic total hip arthroplasty, suggesting robotic navigation enhances overall joint stability.

Dislocation risk after robotic arm-assisted total hip arthroplasty: a comparison of anterior, lateral and posterolateral approaches

Discussion

Member takes

Implication

Key Points

Cite This Study

Dislocation risk after robotic arm-assisted total hip arthroplasty: a comparison of anterior, lateral and posterolateral approaches

Discussion

Member takes

Implication

Key Points

Cite This Study

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