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Updated: Dec 22, 2025

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique
Published on: April 1, 2022
Radial artery aneurysm formation and spontaneous rupture after snake bite to the right forearm
Wu Linfeng1, Xie Lutao2, Lan Pin2
1Department of Orthopedics, Lishui Central Hospital (Lishui Hospital of ZheJiang University, Fifth Affiliated Hospital of Wenzhou Medical College), Lishui City, ZheJiang Province, China.
Objective:
To report the outcome of a patient who developed aneurysm after a Deinagkistrodon acutus snakebite.
Case Report:
A 65-year-old man, bitten by Deinagkistrodon acutus in his right forearm, came to our hospital 10 h after the bite. A pulsatile bulge was found on the right wrist at the third night, and spontaneous ruptured and hemorrhaged suddenly, an emergency surgery was arranged. A ruptured aneurysm of the radial artery was identified and the aneurysm was removed during the surgery. The patient underwent a total of six surgeries, regretfully, he was eventually discharged from the hospital with the right forearm amputated.
Conclusion:
A bite by the Deinagkistrodon acutus snake may be accompanied by aneurysm and spontaneous rupture, and vessel assessment is necessary in snakebite patients.
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