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Phrenic nerve involvement in Charcot-Marie-Tooth disease
Lucien Abboud1, Saghbini Fadi El, Tamejiro Takubo
1James H. Quillen Veterans Affairs Medical Center, Mountain Home, TN 37684-4000, USA.
Tennessee Medicine : Journal of the Tennessee Medical Association
|November 22, 2005
Summary
Diaphragmatic weakness, a common complication of Charcot-Marie-Tooth (CMT) disease, can cause breathing difficulties and increase mortality risk. Early detection through chest imaging is crucial for managing this pulmonary complication in CMT patients.
Area of Science:
- Neurology
- Pulmonology
- Medical Imaging
Background:
- Charcot-Marie-Tooth (CMT) disease is a progressive neurological disorder affecting peripheral nerves.
- Diaphragmatic involvement in CMT is often underestimated, despite its potential impact on respiratory function.
Observation:
- Patients with CMT may present with unexplained breathlessness and orthopnea.
- Hypercarbia can develop as a consequence of impaired respiratory mechanics.
Findings:
- Diaphragmatic weakness is a more prevalent complication in Charcot-Marie-Tooth (CMT) disease than previously recognized.
- Elevated hemidiaphragms on chest roentgenograms are indicative of diaphragmatic dysfunction in CMT patients.
Implications:
- Recognizing diaphragmatic weakness is vital for explaining respiratory symptoms in CMT.
- Prompt investigation of diaphragmatic dysfunction can mitigate risks of pulmonary morbidity and mortality in affected individuals.
- Chest imaging plays a key role in identifying diaphragmatic compromise in the context of CMT.