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Modification of the Keller operation for increased functional capacity

The Journal of Foot Surgery

|January 1, 1982

Summary

This study introduces a new surgical technique for stabilizing the metatarsophalangeal joint. The method preserves hallux propulsion and prevents transfer lesions, allowing for faster functional recovery.

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Area of Science:

Orthopedic Surgery
Podiatric Biomechanics

Background:

Metatarsophalangeal joint instability can impair foot function and lead to secondary complications.
Traditional treatments may compromise the hallux's propulsive power or require lengthy recovery periods.

Purpose of the Study:

To describe a novel surgical technique for metatarsophalangeal joint stabilization.
To evaluate the method's ability to maintain hallux biomechanics and prevent transfer lesions.
To assess the recovery of metatarsophalangeal joint function.

Main Methods:

A surgical technique utilizing the flexor hallucis longus tendon for joint stabilization.
The procedure serves as an adjunct to medial and dorsal exostectomy.
Correction of proximal and distal articular set angles is incorporated.

Main Results:

The technique maintains the biomechanical integrity of the first metatarsophalangeal joint.
It obviates the need for interphalangeal joint fusion to prevent hallux flexus.
The procedure facilitates rapid recovery of metatarsophalangeal joint function.

Conclusions:

This stabilization technique effectively preserves hallux propulsive power.
It successfully prevents transfer lesions and hallux flexus without fusion.
The described method offers a rapid functional recovery for metatarsophalangeal joint procedures.

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