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A dual dimensional optimization strategy for automatic osteotomy preoperative planning in congenital radioulnar synostosis.
Sci Rep
December 2024
Department of Hand Surgery, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China.
Congenital radioulnar synostosis (CRUS) presents a complex forearm deformity, requiring precise osteotomy planning for anatomical restoration. This study proposes an automatic osteotomy preoperative planning method for forearms with CRUS. Proximal forearm bones are first aligned with the template forearm and then a dual dimensional optimization (DDO) strategy is used to optimize the spatial transformation parameters of the distal fragment.
View Article and Find Full Text PDFThe pronator contracture syndrome: A new entity in supination restriction.
Shoulder Elbow
March 2024
Ziekenhuis Oost-Limburg, Department of Orthopaedic Surgery and Traumatology, Genk, Belgium.
Forearm rotation is essential for daily activities and functional dexterity, involving both pronation and supination. Forearm rotation limitations can result from various pathologies, often linked to trauma, structural changes in radio-ulnar joints, and interosseous membrane alterations. Soft tissue contracture, such as post-burn scarring or specific neurological conditions, can also restrict forearm rotation.
View Article and Find Full Text PDFPost-traumatic synostosis of the metatarsals - a case report.
BMC Musculoskelet Disord
November 2024
Changi General Hospital, 2 Simei St 3, Singapore, 529889, Singapore.
Article Synopsis
- Synostosis is the abnormal fusion of bones, commonly described as a congenital condition, particularly at the radio-ulnar joint, though it can also occur post-traumatically.
- A 57-year-old man experienced malunion and synostosis of the fourth and fifth metatarsals after a fifth metatarsal fracture, leading to two surgeries for excision of the synostosis, with successful outcomes after the second intervention.
- This case represents the first documented instance of post-traumatic synostosis in metatarsals and adds to existing literature on the condition.
Article Synopsis
- - The one-bone forearm procedure is a promising treatment for severe forearm deformities, but traditionally faced issues like nonunion and infection; a modified technique was developed to improve union rates by enhancing fixation between key bone segments.
- - A study on 28 young patients with forearm supination contracture due to neonatal brachial plexus injury showed an average correction of 116° and a complete bone union rate within about 6.6 weeks, with 100% success and no complications reported.
- - This modified technique not only enables significant rotational correction but also demonstrates a low complication rate, making it a valuable option for treating severe supination deformities in children.
Decompression corrective osteotomy of the distal radius for treatment of the DRUJ-incongruency and impingement syndrome with focus on posttraumatic cases.
Injury
September 2024
Hand Trauma Centre, Elisabethenstraße 19, 88212 Ravensburg, Germany.
Introduction: Posttraumatic or congenital ulna-minus variance with altered shape of the sigmoid notch and increased tension of the distal oblique band of the interosseous membrane (DIOM) can lead to painful impingement in the distal radioulnar joint (DRUJ) during rotation and loading of the forearm. As an operative treatment concept, a new method was described in 2016. Its goal is to restore the osseous congruency, which is required for normal painless function.
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