Síndromes clínicos de embolia pulmonar

The clinical profile of patients with pulmonary thromboembolism depends on the severity of the embolic obstruction, and the presence or not of ischaemic parenchyma damage. The classification of the three classic syndromes still has prognostic interest, and is possibly due to physiopathologial conditioners which nowadays are still not clearly understood. “Pulmonary infarction síndrome” has a better short and medium term prognosis than the “isolated dyspnea syndrome”. It is not known why the obstruction of pulmonary arteries sometimes accompanies a lung infarct; neither do we have a reasonable explanation for the different incidence according to age, or the case of the thrombogenic process. The bronchial circulation seems to have little responsability in this respect and the main factor may be the persistence of an adequate retrogade perfusion