Comparative outcomes between collared versus collarless and short versus long stem of direct anterior approach total hip arthroplasty: a systematic review and indirect meta-analysis

European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie
Phonthakorn PanichkulJatupon Kongtharvonskul

Abstract

Early research shows several advantages of the direct anterior approach (DAA) in THA that claimed to be as effective but less invasive than the posterior approach. However, due to the difficult femoral exposure and possible complications related to femoral preparation, this approach may result in a higher rate of undersized stems when compared to other approaches. The present authors believe that the femoral implant design (collar or collarless stem, short or long stem) in a collared femoral stem may relate to lower rates of stem subsidence and limb length discrepancy (LLD) in mid-term to long-term follow-up when compared to collarless femoral stems. However, currently, there is no consensus as to which femoral implant design is the most suitable for DAA in THA. This systematic review and meta-analysis aim to assess and compare postoperative complications (neurapraxia, wound infection, LFCN, hematoma, artery injury, cup malposition, embolism, fracture and implant loosening) and revision rates due to dislocation, periprosthetic fracture and implant migration after DAA using collared compared to collarless femoral stem and short femoral stem compared to long femoral stem in THA. These clinical outcomes consist of the postoperativ...Continue Reading

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Citations

Nov 11, 2020·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Masanobu HiraoTetsuya Jinno
Jun 7, 2021·Archives of Orthopaedic and Trauma Surgery·Mandeep Singh DhillonDeepak Neradi
Jul 25, 2020·Orthopaedics & Traumatology, Surgery & Research : OTSR·Sivan SivaloganathanCharles Rivière

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