ArticleBMC musculoskeletal disorders2025
Computer-aided three-dimensional analysis of carpal alignment in scaphoid nonunion advanced collapse wrists: A comparative study with scapholunate advanced collapse and healthy wrists.
Article in BMC musculoskeletal disorders, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- The effectiveness of NMES-integrated therapy in scapholunate ligament injuries - a randomized controlled trial.BMC sports science, medicine & rehabilitation · 2025Article
- Comparison of Radiographic Stress Views in Detecting Scapholunate Ligament Injuries: A Cadaveric Model Study.Journal of clinical medicine · 2025Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo analyze three-dimensional carpal malalignment and height in scaphoid non-union advanced collapse (SNAC) wrists. MATERIALS AND
methodsTwelve cone-beam CT scans of SNAC wrists were analyzed using computer-aided software to define 3D carpal axes and measure intercarpal angles and carpal height ratio. Comparative data included 121 healthy wrists and 18 wrists with scapholunate advanced collapse (SLAC).
resultsSNAC wrists showed dorsal angulation of the lunate and even greater dorsal angulation of the triquetrum, resulting in an increased sagittal scapholunate angle and a decreased sagittal lunotriquetral angle compared to healthy wrists. Compared to SLAC wrists, SNAC wrists had similar sagittal radiolunate and scapholunate angles but a significantly lower lunotriquetral angle. Nonunions in the middle and distal third were associated with greater dorsal angulation of the lunate than proximal third nonunions. In the coronal plane, SNAC wrists showed ulnar tilting of the capitate and hamate compared to healthy wrists. Carpal height ratio was significantly decreased compared with healthy wrists but comparable to SLAC wrists.
conclusionScaphoid nonunion location influenced alignment, with proximal nonunions associated with reduced dorsal angulation of the lunate. SNAC wrists differ from SLAC wrists in exhibiting a decreased sagittal lunotriquetral angle, indicating a distinct pathomechanism of carpal instability.
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