Hyponatremia in Cirrhosis

May 30, 2017 by in GASTROENTEROLOGY Comments Off on Hyponatremia in Cirrhosis

Fig. 14.1 Proposed pathogenesis of hypervolemic hyponatremia in cirrhosis. Portal hypertension causes splanchnic vasodilatation with subsequent activation of the renin–angiotensin–aldosterone system (RAAS) and sympathetic nervous system (SNS), and a nonosmotic…

read more

Hepatocellular Carcinoma

May 30, 2017 by in GASTROENTEROLOGY Comments Off on Hepatocellular Carcinoma

Fig. 22.1 Age-adjusted incidence of liver cancer worldwide, by geographical distribution. (Adapted with permission from GLOBOCAN 2012 [1]) Table 22.1 Estimated incidence and mortality of the most common cancers worldwide…

read more

Portopulmonary Hypertension

May 30, 2017 by in GASTROENTEROLOGY Comments Off on Portopulmonary Hypertension

  Mean pulmonary artery pressure (normal 9–18 mmHg) Pulmonary vascular resistance (normal < 2 Wood units) Cardiac output (normal 4.0–8.0 L/min) Pulmonary artery wedge pressure (normal 6–12 mmHg) Vasoconstriction with vasoproliferation (POPH) Elevated…

read more

Hepatopulmonary Syndrome

May 30, 2017 by in GASTROENTEROLOGY Comments Off on Hepatopulmonary Syndrome

Physiologic abnormality Diagnostic criteria Impaired gas exchange Arterial blood gas sampling while breathing ambient air with:  PaO2 < 80 mm Hg or  Alveolar–arterial oxygen gradient ≥ 15 mmHg if age <65 years,…

read more

Liver Support Systems

May 30, 2017 by in GASTROENTEROLOGY Comments Off on Liver Support Systems

Device Bioreactor detail Additional treatments Cell type Cell-matrix attachment Configuration HepatAssist BAL Porcine hepatocytes Microcarrier attached Hollow fibre cartridge/chamber Plasmapheresis and adsorption AMC–BAL (Academic medical centre–bio artificial liver) Porcine hepatocytes…

read more

Ascites and Refractory Ascites

May 30, 2017 by in GASTROENTEROLOGY Comments Off on Ascites and Refractory Ascites

Fig. 13.1 The pathophysiology of ascites. RAAS renin–angiotensin–aldosterone system, ADH antidiuretic hormone, NO nitric oxide In an effort to maintain homeostasis, this new altered hemodynamic state and renal response results…

read more

Gastric and Ectopic Varices

May 30, 2017 by in GASTROENTEROLOGY Comments Off on Gastric and Ectopic Varices

Fig. 11.1 Classification of gastric varices. Gastroesophageal varices: lesser curve GOV1 and fundal GOV2. Isolated gastric varices; fundal IGV1 and other IGV2. Reproduced with permission from John Wiley and Sons…

read more

Portal Vein Thrombosis

May 30, 2017 by in GASTROENTEROLOGY Comments Off on Portal Vein Thrombosis

Grade 1. Cross-sectional obstruction of less than 50 % of the portal vein lumen Minimal or absent extension into the superior mesenteric vein Grade 2. Cross-sectional obstruction of more than…

read more
Get Clinical Tree app for offline access