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Conventional Radiology and Right Heart Catheterization in Estimating Primary Pulmonary Hypertension and Pulmonary Hypertension Secondary to Left-Sided Valvular Disease

Domenii publicaţii > Ştiinţe medicale + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Radulescu D, Pripon S, Duncea C, Constantea NA, Gulei I

Editorial: Acta Medica Indonesiana (The Indonesian Journal of Internal Medicine), 40(1), p.24-28, 2008.


Aim: to estimate the comparative value of conventional radiology and cardiac catheterization in establishing the diagnosis and severity of primary and secondary pulmonary hypertension. We also tried to achieve some correlations between the radiological and invasive parameters. Methods: we performed a retrospective study over an 11-years time period, analyzing data from a group of 14 patients diagnosed with primary pulmonary hypertension compared to a matched group of 20 patients suffering from pulmonary hypertension secondary to mitral and aortic valvular disease. All the patients had undergone conventional radiology (chest X-ray) and catheterization of the right heart cavities and pulmonary artery. Results: we detected significantly elevated pulmonary artery pressures and resistances in the primary pulmonary hypertension group compared to secondary hypertension patients. Cardiac output values were much lower in the primary pulmonary hypertension individuals compared with secondary pulmonary hypertension in left-sided valvular disease. The pulmonary artery arch diameter, the diameter of the right descending pulmonary artery and the value of the arterio-bronchial ratio were similar in the two groups. Conclusion: in both groups, we found a statistically significant positive correlation between the values of the pulmonary artery vascular resistance and the diameter of the right descending pulmonary artery, which are very specific parameters in the diagnosis of pulmonary hypertension. In the primary pulmonary hypertension group we identified a significant inverse correlation between the diameter of the right descending pulmonary artery and the values of cardiac output. This finding was not confirmed in the secondary group.

Cuvinte cheie: chest radiography, cardiac catheterization, pulmonary hypertension, pulmonary artery pressure, pulmonary artery resistance, cardiac output