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Hypothenar hammer syndrome. A case report
I Jiménez1, F Manguila2, M Dury2
1Departamento de Cirugía Ortopédica y Traumatología, Hospital Universitario Insular de Gran Canaria, Las Palmas de Gran Canaria, España.
Revista Espanola De Cirugia Ortopedica Y Traumatologia
|November 16, 2016
Summary
Hypothenar hammer syndrome, an uncommon ulnar artery injury, requires high clinical suspicion. Surgical repair with forearm vein bypass yielded good outcomes for this hand trauma case.
Area of Science:
- Vascular Surgery
- Hand Surgery
- Trauma Surgery
Background:
- Hypothenar hammer syndrome involves injury to the ulnar artery at Guyon's canal, often linked to repetitive trauma.
- Diagnosis relies on clinical suspicion and detailed patient history.
- Optimal treatment strategies remain undefined, varying from conservative measures to surgical reconstruction.
Observation:
- A 52-year-old male presented with digital numbness in the fourth and fifth fingers post-hypothenar eminence trauma.
- Clinical examination revealed absent ulnar artery vascularization via the Allen test.
- Angio-MRI confirmed thrombosis of the ulnar artery segment.
Findings:
- Resection of the thrombosed ulnar artery segment was performed.
- Arterial continuity was restored using a forearm vein bypass graft.
- The patient demonstrated a positive functional recovery at the 6-month follow-up.
Implications:
- This case highlights the successful surgical management of hypothenar hammer syndrome.
- Vascular reconstruction techniques can effectively restore arterial flow and function.
- Further research into standardized treatment protocols for this rare condition is warranted.
