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* From the Royal Adelaide Hospital Chest Clinic, Adelaide, Australia.
Correspondence to: Sally A. Chapman, MD, Royal Adelaide Hospital Chest Clinic, 275 North Terrace, Adelaide 5000, Australia; e-mail: schapman{at}mail.rah.sa.gov.au
Bronchial artery embolization is an effective treatment for patients with hemoptysis. Serious complications are rare, but may occur if the arterial supply to other structures is compromised. We present a case of unilateral diaphragmatic paralysis following bronchial artery embolization in a patient with cystic fibrosis. We believe that the diaphragmatic paralysis was due to the inadvertent obstruction of the left pericardiacophrenic artery during the embolization procedure, with compromise of the phrenic nerve blood supply. This resulted in a significant loss of lung function in our patient, who did not recover despite the subsequent return of diaphragmatic function.
Key Words: bronchial arteries cystic fibrosis diaphragm embolization hemoptysis phrenic nerve therapeutic
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