A patient with nonunion of the capitate presented for treatment with a painful, snapping wrist. Grafting was successful in obtaining union of the fracture and relief of symptoms.
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Clinical efficacy of Ni-Ti memory alloy four-corner arthrodesis concentrator in the treatment of scaphoid nonunion advanced collapse: a follow-up of over 10 years.
J Plast Surg Hand Surg
August 2024
Department of Orthopedics, 920th Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming, P. R. China.
Article Synopsis
- The study investigates the effectiveness of the Ni-Ti shape memory alloy four-corner arthrodesis concentrator (NT-FCAC) for treating scaphoid nonunion advanced collapse (SNAC) with a decade-long follow-up.
- Twenty-six patients underwent surgery involving scaphoidectomy and arthrodesis, showing significant improvements in grip strength, wrist mobility, and reduced pain levels postoperatively.
- Over a 10-15 year follow-up, all patients achieved wrist bone fusion with no severe complications, although no significant changes in pain and functionality were observed after 60 months.
Lunate-capitate arthrodesis for scaphoid nonunion: a comparative study.
BMC Musculoskelet Disord
August 2024
Orthopedic Surgery Department, Mansoura University, Algomhoria Street, Mansoura, 33516, Dakahlia, Egypt.
Article Synopsis
- The study investigates the effectiveness of two surgical procedures (lunate-capitate fusion and four-corner fusion) for treating advanced wrist injuries known as SNAC II and III, focusing on functional and radiological outcomes and complications.
- It includes a retrospective analysis of 65 patients who underwent surgery between 2015 and 2024, with a follow-up of at least two years, and compares the outcomes of the two fusion techniques.
- Results showed that both groups experienced functional improvements post-surgery and had similar average healing times, indicating that both procedures could be effective in addressing SNAC injuries.
Idiopathic Avascular Necrosis of the Capitate Treated with a Medial Femoral Trochlea Vascularized Osteochondral Flap: A Case Report.
JBJS Case Connect
April 2024
Department of Orthopedic Surgery, University of Virginia, Charlottesville, Virginia.
Case: Capitate avascular necrosis should be entertained in a differential diagnosis of young, active adults with midcarpal wrist pain. We present a case study of a 30-year-old laborer who developed avascular necrosis (AVN) of his right proximal capitate. Grip strength and wrist motion were limited on examination, with advanced imaging confirming AVN.
View Article and Find Full Text PDFProximal Row Carpectomy with and without Capitate Resurfacing: A Preliminary Systematic Review and Meta-Analysis.
JBJS Rev
April 2024
Department of Plastic and Reconstructive Surgery, University of Florida, Gainesville, Florida.
Background: In wrist salvage, proximal row carpectomy (PRC) has increasingly shown superior outcomes to four-corner fusion (4CF). Furthermore, PRC with resurfacing capitate pyrocarbon implants (PRC + RCPIs) provides a treatment option that may allow patients to avoid 4CF or wrist arthrodesis and help restore natural joint function and distribute loads evenly across the implant, though RCPI has yet to be evaluated on a large scale. We aimed to compare outcomes between PRC and PRC + RCPI for the treatment of scapholunate advanced collapse (SLAC) and scaphoid nonunion advanced collapse (SNAC) wrists.
View Article and Find Full Text PDFA Novel Technique of Arthroscopic-Assisted Four-Corner Fusion and Robot-Assisted Fixation for Scaphoid Nonunion Advanced Collapse Wrist: A Single Case Study.
Orthop Surg
February 2024
Department of Orthopedic Surgery, Zhongshan JiShuiTan Orthopedic Hospital, Zhongshan, China.
Objective: Scaphoid nonunion advanced collapse (SNAC) is a relatively common and debilitating wrist disorder yet its treatment remains challenging and controversial. We aim to describe a novel technique of a dual arthroscopic and robotic assisted four-corner fusion (4CF) in the treatment of SNAC wrist.
Methods: In this study, we describe an original arthroscopic and robotic assisted 4CF, which is novel and currently unpublished in literature.
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