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Early experience with endoscopic carpal tunnel release

C P Kelly¹, D Pulisetti, A M Jamieson

¹Maelor Hospital, Wrexham, UK.

Journal of Hand Surgery (Edinburgh, Scotland)

|February 1, 1994

Summary

Endoscopic carpal tunnel release using the Chow technique showed a 78% satisfactory outcome. While effective, risks like incomplete division and nerve injury necessitate careful adherence to protocol.

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Area of Science:

Orthopedics
Neurosurgery
Surgical Techniques

Background:

Carpal tunnel syndrome (CTS) is a common condition causing hand pain and numbness.
Endoscopic carpal tunnel release (ECTR) offers a minimally invasive alternative to open surgery.

Purpose of the Study:

To evaluate the efficacy and safety of the Chow technique for endoscopic carpal tunnel release.
To identify factors contributing to unsatisfactory outcomes and complications.

Main Methods:

A retrospective review of 83 hands in 69 patients undergoing ECTR via the Chow method.
Data collection included patient demographics, surgical details, outcomes, and complications.

Main Results:

78% of patients reported satisfactory outcomes with symptom relief and no complications.
Reasons for poor results included incomplete ligament division (5 cases), misdiagnosis (2 cases), and post-operative nerve issues (5 cases).
Two cases of median nerve laceration occurred, one linked to protocol deviation.

Conclusions:

The Chow technique for ECTR demonstrates a high success rate but carries risks, including potential nerve injury.
Strict adherence to the standard protocol is crucial to minimize complications.
Further research is needed to definitively weigh the benefits against the risks of nerve injury compared to open release.

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