Document Detail

Effects of treatment with β-blocker and aldosterone antagonist on central and peripheral haemodynamics and oxygenation in cirrhosis.
MedLine Citation:
PMID:  21399508     Owner:  NLM     Status:  Publisher    
OBJECTIVES: Patients with cirrhosis often exhibit abnormalities in cardiovascular regulation and oxygenation. Many of these patients are treated with β-blockers and aldosterone antagonists that may influence the regulation of systemic haemodynamics, but the specific effects on systemic haemodynamics and oxygenation are less studied. We therefore investigated systemic haemodynamics and oxygenation in patients with cirrhosis before and after 3 weeks of treatment with propranolol or spironolactone. MATERIALS AND METHODS: Twenty-two patients with cirrhosis were allocated into three groups as follows: a β-blocker group (n=7), a spironolactone group (n=8) and a control group (n=7). At baseline, and after 3 weeks, we measured the arterial blood pressure (BP), heart rate, Q-T frequency-corrected interval, baroreflex sensitivity, cardiac output, peripheral arterial inflow (ABFin), transcutaneous oxygenation and hormonal status. We also assessed immediate effects of propranolol in the β-blocker group. RESULTS: Short-term and long-term β-blockade significantly reduced BP (-7%) and heart rate (-15%) (P<0.01). Short-term β-blocker treatment improved the Q-T frequency-corrected interval but reduced the transcutaneous oxygenation (P<0.05). Baroreflex sensitivity and brain natriuretic peptide increased after short-term and after 3 weeks of β-blocker treatments (P<0.01). After 3 weeks, β-blockers reduced cardiac output and ABFin by 13 and 26%, respectively (P<0.05-0.01). In the spironolactone group, BP decreased by 8% (P<0.05) and renin increased by 370% (P<0.01). No changes were seen in the control group. CONCLUSION: Short-term and long-term treatments with β-blockers and aldosterone antagonist modestly affect haemodynamics and oxygenation. Careful monitoring, especially in patients with low arterial blood pressure, if cardiac dysfunction is suspected, should follow the administration of β-blockers.
Christine Winkler; Lise Hobolth; Aleksander Krag; Flemming Bendtsen; Søren Møller
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-10
Journal Detail:
Title:  European journal of gastroenterology & hepatology     Volume:  -     ISSN:  1473-5687     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9000874     Medline TA:  Eur J Gastroenterol Hepatol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
aDepartments of Clinical Physiology and Nuclear Medicine bMedical Gastroenterology, Faculty of Health Sciences, Hvidovre Hospital cCluster for Molecular Imaging, University of Copenhagen dDepartment of Clinical Physiology, Nuclear Medicine and PET, Rigshospitalet, Copenhagen, Denmark.
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