Parkinson disease (PD), also known as paralysis agitans, is a common neurodegenerative disorder. In patients with PD and other extrapyramdial disorders, respiratory problems commonly contribute to morbidity and mortality and all physicians who are interested in this field must be able to do proper management of them. Pulmonary function assessment is recommended in PD, irrespective of severity of disease.
In patients with Parkinson disease, respiratory problems commonly contribute to morbidity and mortality. Some important pulmonary function tests are abnormal in Parkinson disease and obstructive disorders are the dominant clinical problem.
From the *Neurology Clinic, Milad General Hospital, Tehran, Iran; †Department of Internal Medicine, Tabriz Tuberculosis and Lung Disease Research Center, Tabriz University (Medical Science), Tabriz, Iran; and ‡Department of Neurology, Neuroscience Research Center, Tabriz University (Medical Science), Tabriz, Iran.
Address correspondence to: Mohammed Ali Arami, MD, Milad General Hospital, Neurology Clinic, Hemmat Highway, Tehran, Iran. E-mail: firstname.lastname@example.org.