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Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

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Published on: July 17, 2020

Transcalcaneal talonavicular dislocation.

William M Ricci¹, Carlo Bellabarba, Roy Sanders

¹Tampa General Hospital, Florida, USA. ricciw@msnotes.wustl.edu

The Journal of Bone and Joint Surgery. American Volume

|April 10, 2002

Summary

This summary is machine-generated.

Transcalcaneal talonavicular dislocation is a severe foot injury. This condition frequently leads to chronic osteomyelitis and amputation, resulting in significant long-term functional limitations and pain.

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Area of Science:

Orthopedic Surgery
Traumatology
Foot and Ankle Surgery

Background:

Transcalcaneal talonavicular dislocation is a rare and severe foot injury.
Characterized by dorsal navicular dislocation from the talus and comminuted calcaneal fracture.
Previous literature documented only six cases.

Purpose of the Study:

To determine the prevalence of transcalcaneal talonavicular dislocation.
To analyze variations in injury patterns.
To evaluate treatment methods and patient outcomes.

Main Methods:

Retrospective review of eight patients (nine cases) treated between 1990 and 1998.
Initial management included hindfoot stabilization and soft tissue care.
Delayed open reduction, internal fixation of the calcaneus, and subtalar joint fusion were performed.

Main Results:

Follow-up ranged from 1.1 to eight years.
Four patients developed chronic osteomyelitis, leading to three amputations.
Remaining patients experienced functional limitations, including limping, shoe wear difficulty, and pain.

Conclusions:

Transcalcaneal talonavicular dislocation is associated with high rates of osteomyelitis and amputation.
Survivors often face severe functional deficits and chronic pain.
Counseling patients on long-term outcomes is crucial.