Right hemi-diaphragm paralysis following cardiac radiofrequency ablation

Diaphragm paralysis may occur after traumatic phrenic nerve injury. Here we report three patients in whom right hemi-diaphragmatic paralysis developed after cardiac radiofrequency ablation. We hypothesise that local focused thermal energy at the time of the ablation may have caused direct neuronal d...

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Bibliographic Details
Published in:Respiratory medicine 2006-09, Vol.100 (9), p.1657-1659
Main Authors: Swallow, E.B., Dayer, M.J., Oldfield, W.L., Moxham, J., Polkey, M.I.
Format: Article
Language:English
Subjects:
Adult
Atrial Fibrillation - surgery
Biological and medical sciences
Catheter Ablation - adverse effects
Catheters
Female
Hemi-diaphragm paralysis
Humans
Male
Medical sciences
Middle Aged
Nervous system
Nervous system (semeiology, syndromes)
Nervous system as a whole
Neurology
Phrenic Nerve - injuries
Phrenic nerve testing
Pneumology
Postoperative Complications - etiology
Radio Waves - adverse effects
Radiofrequency ablation
Respiratory Paralysis - etiology
Sinuses
Tachycardia, Sinus - surgery
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Summary:Diaphragm paralysis may occur after traumatic phrenic nerve injury. Here we report three patients in whom right hemi-diaphragmatic paralysis developed after cardiac radiofrequency ablation. We hypothesise that local focused thermal energy at the time of the ablation may have caused direct neuronal damage by axonal coagulation necrosis. The prognosis for this type of injury may be reasonably good; two of the three patients fully recovered diaphragm function by 1 year.
ISSN:0954-6111
1532-3064
DOI:10.1016/j.rmed.2005.12.012