Why the study?
Does surgical correction for mitral and aortic valve disease improve the index of pulmonary blood flow distribution between the upper and lower parts of the lungs in patients with acquired valvular heart disease?
Does surgical correction for mitral and aortic valve disease improve the index of pulmonary blood flow distribution between the upper and lower parts of the lungs in patients with acquired valvular heart disease?
Surgical correction's impact on upper-to-lower lung blood flow distribution remains uncertain in valvular disease; leaves open need for prospective confirmation.
The authors investigated the index ofpulmonary bloodflow distribution between the upper and lower parts of the lungs in three groups ofpatients with acquired valvular heart disease before, and 3 and 12 months after surgical correction for mitral and aortic valve disease.
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Kral et al. (1973) studied this question.
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