Pulmonology Medical News about pulmonary vasoconstriction; hypercapnia

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Effects of hypercapnia with and without acidosis on hypoxic pulmonary vasoconstriction
Lung Cellular and Molecular Physiology, 09/01/09

Ketabchi F et al. – The increased HPV during hypercapnic–acidosis is beneficial to lung gas exchange by improving ventilation–perfusion matching and preserving the capillary barrier function. These effects seem to be linked to NO–mediated pathways.

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Urotensin-II contributes to pulmonary vasoconstriction in a perinatal model of persistent pulmonary hypertension of the newborn secondary to meconium aspiration syndrome
Pediatric Research, 10/07/09 Relevance Score: 67%

Chronic hypoxia augments depolarization-induced Ca2+-sensitization in pulmonary vascular smooth muscle through superoxide-dependent stimulation of RhoA
Lung Cellular and Molecular Physiology, 11/12/09 Relevance Score: 65%

Hemodynamic and Gas Exchange Effects of Sildenafil in Patients with COPD and Pulmonary Hypertension
American Journal of Respiratory and Critical Care Medicine, 10/30/09 Relevance Score: 65%

Pulmonary hypertension and current anesthetic implications
Middle East Journal of Anesthesiology, 10/09/09 Relevance Score: 63%

Late Pulmonary Valve Replacement in Congenital Heart Disease Patients Without Original Congenital Pulmonary Valve Pathology
Pediatric Cardiology, 11/19/09 Relevance Score: 46%