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Functional and Morphological Assessment of Diaphragm Innervation by Phrenic Motor Neurons

Functional and Morphological Assessment of Diaphragm Innervation by Phrenic Motor Neurons

Published on: May 25, 2015

The Mid-Term Changes of Pulmonary Function Tests After Phrenic Nerve Transfer.

Masoud Yavari¹, Seyed Esmail Hassanpour², Mohammad Khodayari¹

¹Department of Reconstructive Surgery, Shahid Behesti University of Medical Sciences, Tehran, IR Iran.

Archives of Trauma Research

|May 6, 2016

Summary

Phrenic nerve transfer can restore elbow flexion, but it significantly impacts pulmonary function. While patients regained arm strength, spirometry tests showed reduced lung function after the surgery.

Keywords:

Elbow Phrenic Nerve Transfer Pulmonary Function Tests

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Area of Science:

Neurosurgery
Pulmonary Medicine
Reconstructive Surgery

Background:

The phrenic nerve is a viable donor for restoring elbow flexion.
However, its critical role in respiration necessitates caution due to potential risks.

Purpose of the Study:

To evaluate the impact of phrenic nerve transfer on pulmonary function.
To assess the safety and efficacy of using the phrenic nerve for elbow flexion restoration.

Main Methods:

Retrospective review of pulmonary function tests (PFTs).
Serial spirometry performed before and after phrenic nerve transfer surgery in four patients.

Main Results:

All patients achieved M3 or higher biceps strength post-surgery.
No patients reported pulmonary or respiratory complications.
A significant decrease in spirometric parameters was observed after the procedure.

Conclusions:

Phrenic nerve transfer for elbow flexion restoration is linked to spirometric impairments.
The study underscores the importance of the phrenic nerve in maintaining pulmonary function.