70 research outputs found
Prediction of right ventricular dysfunction from radiographic estimates of right descending pulmonary artery in hemodynamically stable pulmonary embolism patients
No full textBackground: The evaluation of right ventricular (RV) dysfunction by echocardiography is one of the most important established determinants of the prognosis of acute pulmonary embolism. The aim of the study was to investigate possible association between diameter of right descending pulmonary artery on chest X-rays and RV dysfunction by echocardiography in hemodynamically stable pulmonary embolism patients. Methods: Eighty-nine patients with the diagnosis of hemodynamically stable pulmonary embolism were included. Results: The frequency of RV dysfunction was significantly higher in patients with an enlarged right descending pulmonary artery on chest X-rays (p = 0.001). There was a significant positive correlation between the diameter of the right descending pulmonary artery on postero-anterior chest X-rays and the diameter of the RV (r = 0.469; p = 0.002). Diameter of right descending pulmonary artery on chest X-rays was also found as a significant predictor of RV dysfunction besides the troponin-T levels and systolic pulmonary arterial pressure (p < 0.05). Conclusions: Diameter of right descending pulmonary artery on chest X-rays may provide information about the risk for pulmonary embolism patients and may be used as a prognostic radiological parameter for the appropriate management of acute pulmonary embolism. (Cardiol J 2013; 20, 2: 184-189
Comparative assessment of costs and CO2 emissions for various residential energy options
No full textIn this chapter, the heating and hot water demands of a North American residence are assessed and compared. Five specific systems are analyzed: ground and air source heat pumps, stand-alone PV, PV–fuel cell hybrid, and a wind turbine–fuel cell hybrid system. They are compared with traditional sources of energy such as natural gas, coal, and fuel oil. From the results, although renewable sources have no CO2 emissions, heat pump systems have significant cost advantages over the other systems
A Rare Cause of Mediastinal Enlargement: Sinus Histiocytosis with Massive Lymphadenopathy
No full textUna causa poco común de agrandamiento mediastínico: histiocitosis sinusal con linfadenopatías masivas
No full textThe relationship between socio-demographic characteristics of patients and diagnostic delay in acute pulmonary thromboembolism
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Frequency And Predictors Of Obesity Hypoventilation And Other Causes Of Alveolar Hypoventilation In Hospitalized Patients At A Tertiary Health Care Institution
No full textClassification of intermediate-risk pulmonary embolism patients with cardiac troponin and shock index
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