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Rethinking Repeat Two-Stage Knee Exchange Arthroplasty: Outcomes, Risks, and Decision-Making.
J Arthroplasty
January 2025
Department of Orthopaedic Surgery, Chang Gung Memorial Hospital (CGMH), No. 5 Fu-Hsing Street, Kweishan, Taoyuan, Taiwan; Bone and Joint Research Center, Chang Gung Memorial Hospital (CGMH), No. 5 Fu-Hsing Street, Kweishan, Taoyuan, Taiwan; College of Medicine, Chang Gung University (CGU), 259 Wen-Hwa 1st Road, Kweishan, Taoyuan, Taiwan. Electronic address:
Background: Chronic periprosthetic joint infection (PJI) presents a major challenge in knee arthroplasty, with varying success rates reported for two-stage exchange arthroplasty (EA) and a lack of consensus on managing failures from such procedures. This study evaluated repeat two-stage EA outcomes for knee PJI after initial treatment failure to identify the risk factors for reimplantation unsuitability and reinfection.
Methods: We analyzed 114 patients who underwent repeat EA for chronic knee PJI between 2010 and 2018.
Rethinking rotator cuff repair: a critical opinion on the "double pulley-triple row" technique.
Front Surg
December 2024
Department of Orthopedic Surgery, Hallym University Dongtan Sacred Heart Hospital, Dongtan, Republic of Korea.
The 'Japanese paradox' of total hip arthroplasty: where are we going?
Expert Rev Med Devices
January 2025
Department of Orthopaedic Surgery, Kansai Medical University, Hirakata, Osaka, Japan.
Introduction: There is a worldwide trend toward 'revisiting' cemented total hip arthroplasty (THA). In Japan, however, cemented THAs accounts for 11%, and the percentage of cemented hemiarthroplasty is estimated to be less than 10%. This review was designed to reconsider the option of cemented THA and to encourage policy changes in Japan to support the best possible care for patients.
View Article and Find Full Text PDFTowards Accurate Biocompatibility: Rethinking Cytotoxicity Evaluation for Biodegradable Magnesium Alloys in Biomedical Applications.
J Funct Biomater
December 2024
CS-Surgical Sciences and Technologies-SS Omics Science Platform for Personalized Orthopedics, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy.
Magnesium and its alloys represent promising candidates for biomedical implants due to their biodegradability and mechanical properties, which are similar to natural bone. However, their rapid degradation process characterized by dynamic pH fluctuations and significant hydrogen gas evolution during biocorrosion adversely affects both in vitro and in vivo assessments. While the ISO 10993-5 and 12 standards provide guidelines for evaluating the in vitro biocompatibility of biodegradable materials, they also introduce testing variability conditions that yield inconsistent results.
View Article and Find Full Text PDF[Concept of coronal alignment in total knee arthroplasty].
Rev Med Suisse
December 2024
Service de chirurgie orthopédique et traumatologie de l'appareil moteur, Hôpitaux universitaires de Genève, 1211 Genève 14.
Total knee arthroplasty (TKA) is one of the most performed orthopedic surgeries worldwide. For many years, TKA implants were positioned according to a systematic approach known as mechanical alignment, which prioritized implant survival over the restoration of a more physiological knee. A high dissatisfaction rate of 20% after knee prosthesis has led to a rethinking of coronal alignment and a move towards a more personalized approach.
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