نتایج جستجو برای: intrapulmonary shunt
تعداد نتایج: 17035 فیلتر نتایج به سال:
BACKGROUND We screened a large number of liver transplant candidates with contrast echocardiography to detect intrapulmonary right to left shunt (IPS). We found that IPS is frequently present in patients with left atrial enlargement. This finding raises a question concerning the correlation between IPS and left atrial size in patients with liver cirrhosis. OBJECTIVES The aim of this prospecti...
We report a 54-year-old patient with the association of hepatic dysfunction with cyanosis, severe hypoxemia, platypnea-orthodeoxia, diffuse cutaneous spider nevi, telangiectasia, palmar erythema, digital clubbing and findings of marked intrapulmonary vascular dilation and arterovenous shunt. The diagnosis of hepato-pulmonary-cutaneous syndrome, a term we think more appropriate and inclusive tha...
The mechanisms of impaired arterial oxygenation that occur in certain patients with chronic liver cirrhosis are still debated. In the present study, we investigated nine cirrhotic patients with severe respiratory disability (mean PaO2, 64 +/- 5 mm Hg), using the inert gas elimination technique to assess the distribution of ventilation-perfusion (VA/Q) ratios. We also determined shunt fraction d...
Patent foramen ovale (PFO) is a common congenital cardiac abnormality that affects one-quarter of the general population. Hypoxaemia, because large right-to-left shunt, rare complication PFO and occurs under exceptional physiological conditions. Case: This 90-year-old lady presented with progressive dyspnoea over several months. At presentation to hospital, she was hypoxaemic pO2 53 mmHg oxygen...
UNLABELLED Hepatopulmonary syndrome (HPS) is a complication of portal hypertension (PH) defined by the presence of liver disease, abnormal pulmonary gas exchange and evidence of intrapulmonary vascular dilatations (IPVD) producing a right to left intrapulmonary shunt. Liver transplantation (LT) is the treatment of choice; however, severe hypoxemia may contraindicate LT. The use of transjugular ...
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