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Management of Hypothenar Hammer Syndrome A Case Report

Brenen P. Swofford, Devon P. Swofford

(Department of Internal Medicine, Banner University Medical Center, Phoenix, AZ, USA)

Am J Case Rep 2018; 19:150-152

DOI: 10.12659/AJCR.906849

BACKGROUND: Hypothenar hammer syndrome is a relatively rare disease process caused by repetitive stress or injury to the hypothenar eminence leading to chronic injury to the ulnar artery. This chronic stress (usually as a result of occupational or sport activities) may result in arterial constriction or thickening, which may lead to thrombosis or aneurysm formation. A review of current literature revealed that reports related to management of hypothenar hammer syndrome are limited.
CASE REPORT: A 33-year-old male without significant past medical history presented with left hand/digit pain, skin discoloration, and coolness of the hand/digits after a mechanical accident experienced 12 hours prior to presentation. Angiography confirmed reduced flow in the ulnar and radial artery with significant spasm of the ulnar artery. Treatment consisted of heparin, nitroglycerin, and papaverine with rapid resolution of symptoms. The patient was discharged on anticoagulation and a calcium channel blocker, with scheduled follow-up.
CONCLUSIONS: Hypothenar hammer syndrome is a rare disease process which manifests in certain occupations and activities that put undue stress on the hypothenar area. The use of angiography for definitive diagnosis and the use of anticoagulation and calcium channel blockers for treatment should continue to be studied to determine a standard treatment regimen.

Keywords: Anticoagulants, Calcium Channel Blockers, Ulnar Artery

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