Erschienen in:
09.06.2022 | Operative Techniken
Acetabular defect management and revision arthroplasty via the direct anterior approach
verfasst von:
Boris Michael Holzapfel, MD PhD FEBOT, Kristoff Corten, Tyler Goldberg, Maximilian Rudert, Michael Nogler, Joseph Moskal, Martin Thaler
Erschienen in:
Operative Orthopädie und Traumatologie
|
Ausgabe 3/2022
Einloggen, um Zugang zu erhalten
Abstract
Objective
Acetabular revision arthroplasty and osseous defect management through the direct anterior approach (DAA) with or without proximal extension.
Indications
Aseptic or septic component loosening, periacetabular osseous defects, pelvic discontinuity, intrapelvic cup protrusion, anterior pseudotumors, iliopsoas tendonitis, polyethylene wear or iliopsoas abscess.
Contraindications
Clinically relevant gluteal tendon lesions, active infection, morbid obesity, large abdominal pannus, ASA (American Society of Anesthesiologists) score > III, inguinal skin infection.
Surgical technique
Electrocautery dissection is recommended to dissect the Hueter interval and to debulk pericapsular scar tissue. At all times during capsular debulking, it should be made sure not to damage the iliopsoas tendon or the neurovascular bundle. A stepwise releasing sequence can facilitate dislocation of the prosthesis. Most cases can be revised via the standard DAA but certain circumstances require an intra- or extrapelvic extension. Access to the anterior gluteal surface of the ilium can be provided using a “tensor snip”. More posterior access is provided by the extensile extrapelvic approach described by Smith-Petersen. The intrapelvic Levine extension offers access to the entire visceral surface of the ilium and large parts of the anterior column.
Postoperative management
Patient revised via the intra- or extrapelvic extension and patients suffering from extensive soft tissue or osseous defects should undergo postoperative weight-bearing restrictions with 20 kg for 6 weeks.
Results
Based on our studies, there is no limitation on the type of acetabular implant that can be used in DAA revision arthroplasty. Moreover, virtually all types of periacetabular osseous defects can be managed through the approach and its extensions. Acetabular revision arthroplasty via the DAA and its extensions is safe and can result in good midterm results.