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SHR Neuro Cancer Cardio Lipid Metab Microb

Schwarz, AM; Lipnik, G; Schwarz, UM; Maier, MJ; Weiglein, AH; Hohenberger, GM.
Projection of the A1-Pulley of the Thumb onto Superficial Anatomical Landmarks: An Anatomical Study and a Useful Guide to Surgeons
INDIAN J ORTHOP. 2021; Doi: 10.1007/s43465-021-00397-3 [OPEN ACCESS]
Web of Science PubMed FullText FullText_MUG

Leading authors Med Uni Graz: Schwarz Angelika
Co-authors Med Uni Graz: Hohenberger Gloria; Lipnik Georg; Weiglein Andreas
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Abstract:: Background: The aim of our study was to project the A1-pulley of the thumb onto the total thumb length to enable its complete division with and without direct sight. Materials and Methods: The study involved 50 hands from adult human cadavers. The proximal and distal borders of the A1-pulley were measured with reference to the first metacarpophalangeal joint (MCPJ). The length of the thumb was defined as the interval between the first carpometacarpal joint (CMCJ) and the apex of the thumb. The length of the pulley is calculated proportionally with reference to the line between the first CMCJ and apex of the thumb. Results: Approximated by computing 95% confidence intervals, the pulley can be expected to lie in an area between 34.0% (proximal border) and 57.8% (distal border) alongside this line. Conclusion: Percutaneous and minimally-invasive division of the A1-pulley needs to be performed between 34.0 and 57.8% of the length between the first CMCJ and apex of the thumb.
Find related publications in this database (Keywords): Trigger thumb; A1-pulley; Minimally invasive surgery; Anatomical landmarks