Potentially-toxic and essential elements profile of AH1N1 patients in Mexico City.

During spring of 2009, a new influenza virus AH1N1 spread in the world causing acute respiratory illness and death, resulting in the first influenza pandemic since 1968. Blood levels of potentially-toxic and essential elements of 40 pneumonia and confirmed AH1N1 were evaluated against two different groups of controls, both not infected with the pandemic strain. Significant concentrations of potentially-toxic elements (lead, mercury, cadmium, chromium, arsenic) along with deficiency of selenium or increased Zn/Cu ratios characterized AH1N1 cases under study when evaluated versus controlled cases.

[Biopathology of idiopathic pulmonary arterial hypertension].

In recent years, several important outcomes have allowed increasing our understanding in the biopathology of idiopathic pulmonary arterial hypertension. Although the triggering event remains unknown, some of the adjacent mechanisms of disease had been identified. Pharmacological manipulation of such mechanisms, due to advances in the biopathology, has produced some clear clinical benefits, related to the survival of these patients.

[Clinical-hemodynamic correlation of the NYHA/WHO system in idiopathic pulmonary artery hypertension. Clinical, therapeutic and long-term prognosis implications].

Background: The most often used functional classification for categorizing the degree of cardiac disability in patients with chronic left ventricular failure is the NYHAN/WHO system. In Idiopathic Pulmonary Arterial Hypertension [I-PAH], this system although used, has not been studied in detail regarding pulmonary hemodynamic parameters association and for long-term prognosis in each of the NYHA/WHO classes.

Methods: We retrospectively, studied the NYHA/ WHO system in 83 I-PAH patients.