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  • Title: The significance of hepatopulmonary syndrome in liver transplantation.
    Author: Culafić Dj, Djukić V, Jesić R.
    Journal: Acta Chir Iugosl; 2004; 51(3):67-71. PubMed ID: 16018369.
    Abstract:
    The objective of the study is to determine the diagnostic role of pulmonary functional tests and perfusion pulmonary scintigraphy for quantifying the oxygenation and vascular abnormality in patients with liver cirrhosis. The prospective study included 70 patients with liver cirrhosis. Arterial blood gases analysis were performed in both supine and sitting positions while inhaling room air, and 15 minutes after exposure of hyperoxic mixture. Perfusion pulmonary scintigraphy using albumin macroagregate labelled with radioactive technetium (99mTc-MAA) was performed for the visualisation of intrapulmonary vascular dilatation. The diagnosis of hepatopulmonary syndrome was made in 10 (14.3%) patients. The patients with hepatopulmonary syndrome had severe hypoxemia (Pa,O2 7.41 +/- 1.81 kPa), and poor response to 100% oxygen inhalation (Pa,O2 21.07 +/- 14.41 kPa) and higher alveolo-arterial gradient (5.73 +/- 2.65 kPa). Radioisotope marker 99mTc-MAA skipped intrapulmonary circulation in all patients with HPS and in no one without pulmonary vascular dilatations. The combined approach of 100% inspired oxygen and perfusion pulmonary scintigraphy may identify early oxygenation disorders and alter the priority for liver transplantation, especially in view of potential syndrome resolution.
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