Abstract:
:The aim of the present study was to evaluate the influence of the exogenous nitric oxide donor glyceryl trinitrate on cerulein-induced gallbladder contraction in patients with acalculous biliary pain. Quantitative hepatobiliary scintigraphy was performed on 33 patients. From the 60th min cerulein (1 ng/kg body wt/min for 10 min intravenous) then from the 90th min the same dose of cerulein plus glyceryl trinitrate (0.5 mg sublingually) (21 patients) or placebo (12 patients) were administered and the gallbladder ejection fraction was measured repeatedly. After the first dose of caerulein, the gallbladder ejection fraction was less than 35% in 23 of 33 patients (nonresponders), while it was more than 35% in the remaining 10 patients (responders). After the second dose of cerulein in 16 nonresponder patients glyceryl trinitrate administration significantly increased the previously impaired gallbladder ejection fraction while in 7 nonresponder patients placebo administration had no effect. In conclusion, normalization of the gallbladder ejection fraction in the majority of patients following glyceryl trinitrate administration suggests that impairment of gallbladder emptying is caused by a functional motility disorder rather than any organic disease.
journal_name
Dig Dis Scijournal_title
Digestive diseases and sciencesauthors
Madácsy L,Velosy B,Szepes A,Szilvássy Z,Pávics L,Csernay L,Lonovics Jdoi
10.1023/a:1019648123515subject
Has Abstractpub_date
2002-09-01 00:00:00pages
1975-81issue
9eissn
0163-2116issn
1573-2568journal_volume
47pub_type
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