2004, Number S1
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Rev Inst Nal Enf Resp Mex 2004; 17 (S1)
Pulmonary hypertension in chronic obstructive pulmonary disease
Villegas EJF
Language: Spanish
References: 31
Page: 71-82
PDF size: 928.96 Kb.
ABSTRACT
Pulmonary hypertension is the most common and serious cardiovascular complication in patients with severe chronic obstructive pulmonary disease. Its has a variable degrees of severity, but when a patient is symptomatic or the diagnosis clinical of that disease, the quality of life and survival are very limited, for this reason it has been considered one of main predictors of mortality. There are several steps in its development with important anatomic changes in the pulmonary vasculature without non specific symptoms; however the patient usually refers respiratory symptoms as shortness of breath, retroesternal chest pain and pedal edema.
Standard evaluation includes history and physical examination, chest X ray, spirometry, electrocardiography, arterial blood gases, DLCO, 6-minute walk test, cardiopulmonary exercise testing and the exhale expired gases analysis, but all of them are usually inadequate to identify right ventricular dysfunction. Noninvasive techniques such as electrocardiogram, echocardiography, radionuclide ventriculography, transcutaneous jugular vein blood flow, high resolution CT-scan and magnetic resonance imaging, have largely replaced invasive pulmonary artery catheterization in the initial assessment of pulmonary hypertension and cor pulmonale, but the gold standard still being the right heart catheterization. There is not a specific treatment and includes bronchodilators both ß adrenergics and anticholinergics, theophylline, oxygen, diuretics, vasodilators, nitric oxide, prostaglandins, receptor-1 antagonists, sildenafil, phlebotomy and inotropic medications but the outcome is poor in a short time.
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