Complications

Complication
Timeframe
Likelihood
short term
low

Some patients report worsening of paresthesias when they start wearing a wrist splint. Mostly this seems to be related to splints that are too tight and/or ill fitting. Symptoms quickly disappear on discontinuation of the splint. A different style and/or size of splint can be tried or the splint can be custom-made.

short term
low

Corticosteroid injected intraneurally can cause acute severe neuropathy. This is a rare complication.

variable
low

A wide variety of complications have been reported, ranging from wound hematomas through to reflex sympathetic dystrophy.[63][64] Re-operation rates following endoscopic or open surgery appear to be less than 5%.[65] [ Cochrane Clinical Answers logo ]

variable
low

Represents less than approximately 5% of patients.[65] [ Cochrane Clinical Answers logo ] Electromyogram (EMG) studies are very useful initial investigations, particularly if the preoperative studies are available to compare. The original diagnosis should be reconfirmed and consideration given to whether an additional diagnosis is also present (e.g., polyneuropathy, radiculopathy). 

Repeat surgery carries lower success rates and higher complication rates.

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