• Failure of the right side of the heart with cardiac dilation and fluid retention occurred in 55 of 170 patients who died of cystic fibrosis; six patients survive. All had severe hypoxia, but 24% had normal Paco2. Cardiac catheterization showed high mean pulmonary artery pressure and resistance. Pulmonary artery wedge pressure was greater than 12 mm Hg in 40% of the patients. Mean survival was eight months. Male survival was significantly better than female survival. Digitalis treatment was of no clear benefit. Tolazoline hydrochloride was also ineffective. Recent medical advances have not substantially affected prognosis.
(Am J Dis Child 134:267-272, 1980)
Stern RC, Borkat G, Hirschfeld SS, et al. Heart Failure in Cystic Fibrosis: Treatment and Prognosis of Cor Pulmonale With Failure of the Right Side of the Heart. Am J Dis Child. 1980;134(3):267–272. doi:10.1001/archpedi.1980.02130150025007
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