Drug-resistant tuberculosis after gastrectomy. Double jeopardy?
1University of Colorado Health Sciences Center, Denver.
Chest
|January 1, 1991
Summary
Subtotal gastrectomy can alter tuberculosis outcomes. This case highlights how malabsorption after Billroth II surgery can lead to drug-resistant Mycobacterium tuberculosis infection due to altered pharmacokinetics.
Area of Science:
- Infectious Diseases
- Gastroenterology
- Pharmacology
Background:
- Subtotal gastrectomy, particularly Billroth II, is associated with an increased incidence of Mycobacterium tuberculosis infection.
- The impact of gastrectomy on the clinical course and treatment outcomes of tuberculosis has not been well-documented.
Observation:
- A patient who underwent a Billroth II subtotal gastrectomy developed tuberculosis.
- This patient experienced malabsorption of prescribed antibiotics.
- The infection subsequently progressed to a drug-resistant strain of Mycobacterium tuberculosis.
Findings:
- Subtotal gastrectomy can significantly alter the pharmacokinetics of antibiotics.
- Impaired drug absorption post-gastrectomy can lead to suboptimal therapeutic levels.
- This can contribute to the development of drug-resistant tuberculosis.
Implications:
- Altered drug pharmacokinetics should be recognized as a critical metabolic consequence of subtotal gastrectomy.
- Clinicians should consider potential malabsorption issues when treating tuberculosis in post-gastrectomy patients.
- This underscores the need for careful monitoring and potentially adjusted antibiotic regimens in this patient population.
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