Etiology and management of total hip arthroplasty dislocation: a retrospective cohort study in a tertiary referral centre

Mattia Loppini¹, Giuseppe Salvatore², Riccardo Ruggeri³,Francesco Traverso³, Federico Della Rocca³, Giuseppe Mazziotta³, Giuseppe Santoro³, Franco Astore³, Guido Grappiolo³

1. Humanitas University, Milan, Italy
2. Campus Bio-Medico University, Rome, Italy
3. Humanitas Clinical and Research Center, Milan, Italy

Abstract

Total Hip Arthroplasty is one of the most successful surgical procedure of the past century and numbers are increasing every year, due to life expectation improvement and these growing also revision surgery is becoming more frequent.

Complications after surgery are between 2% – 10% and include: early mobilization, infection and dislocation. Postoperative dislocation is a challenging complication after primary and revision of total hip arthroplasty (THA) that affects patient outcome worldwide.

Recent studies report an incidence of 1,9% after primary THA, the 60% are within 5 weeks after surgery. Instability is one of the more common complications, and usually it happens within the first year after surgery.

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