Percutaneous fasciotomy has been criticized by many surgeons for putting patients at risks.

However, we have proved that accidents are very rare.

Within our twenty years' practical experience, only five flexor tendon ruptures and very few severe collateral nerve damage have been recorded (about 1 for 2000 hands).

Minor adverse events were as follows : cracks and breaks of skin, early recurrences, minor infections, tingling of the finger and hoematoma.

On the other hand, surgical treatment is reported as causing serious damage: severed nerves (5%), deep necrosis (2%), severed arteries (2%) and sympathetic reflex dystrophy (2%).

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