Document Detail

Malabsorption of digoxin tablets, gel caps, and elixir in a patient with an end jejunostomy.
MedLine Citation:
PMID:  7849335     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To report a case of malabsorption of digoxin from tablets, gel caps, and elixir in a patient with an end jejunostomy. CASE SUMMARY: A 69-year-old man with 18 cm of functioning jejunum following a surgical end jejunostomy was receiving oral digoxin. The patient presented on referral for short bowel syndrome, secretory diarrhea, and malabsorption. He was receiving digoxin tablets 0.75 mg/d with a serum digoxin concentration of 0.5 ng/mL. Attempts to achieve therapeutic digoxin serum concentrations of approximately 1.0 ng/mL by administration of digoxin in the form of liquid-filled gel caps and elixir were unsuccessful. DISCUSSION: Variable results have been presented in the literature regarding the ability to achieve therapeutic concentrations of digoxin following oral administration in patients with malabsorption syndromes. Several studies have suggested that changing the form of administered digoxin from tablet to elixir or liquid-filled gel caps may improve absorption in patients with small intestine malabsorption. Such changes in oral dosage form failed to achieve therapeutic digoxin serum concentrations in this case. CONCLUSIONS: The markedly diminished length and the lack of continuity of this patient's small intestine and colon likely resulted in severe malabsorption of orally administered digoxin. Some patients with end jejunostomies may require intravenous forms of medication because of inadequate absorption of orally administered medications.
E D Ehrenpreis; S Guerriero; J J Nogueras; M A Carroll
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Publication Detail:
Type:  Case Reports; Comparative Study; Journal Article    
Journal Detail:
Title:  The Annals of pharmacotherapy     Volume:  28     ISSN:  1060-0280     ISO Abbreviation:  Ann Pharmacother     Publication Date:  1994 Nov 
Date Detail:
Created Date:  1995-03-16     Completed Date:  1995-03-16     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9203131     Medline TA:  Ann Pharmacother     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1239-40     Citation Subset:  IM    
Department of Gastroenterology, Cleveland Clinic Florida, Ft. Lauderdale 33309.
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MeSH Terms
Administration, Oral
Digoxin / administration & dosage,  pharmacokinetics*
Malabsorption Syndromes / metabolism
Short Bowel Syndrome / metabolism
Reg. No./Substance:
0/Capsules; 0/Tablets; 0/Vehicles; 20830-75-5/Digoxin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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