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Updated: Feb 2, 2026

Antibiotic Dereplication Using the Antibiotic Resistance Platform
Published on: October 17, 2019
Cancel that PICC line order; cholecystostomy tube and short course of antibiotics
Charles Walker1, Katelyn Young1, Ali Moosavi1
1Geisinger Medical Center, USA.
Insights
Short-course antibiotics (<7 days) are as effective as long-course antibiotics (≥7 days) after cholecystostomy. This study found comparable outcomes, including infection recurrence and readmissions, supporting shorter antibiotic durations.
Area of Science:
- Medical research
- Infectious disease
- Surgical outcomes
Background:
- Current guidelines lack specific recommendations for antibiotic duration post-cholecystostomy.
- This study addresses the need for evidence-based antibiotic duration protocols.
Purpose of the Study:
- To compare clinical outcomes between short-course (<7 days) and long-course (≥7 days) antibiotic regimens following cholecystostomy.
- To evaluate the safety and efficacy of reduced antibiotic duration in patients undergoing cholecystostomy.
Main Methods:
- Retrospective review of 214 adult patients who underwent cholecystostomy between 2007 and 2017.
- Comparison of outcomes including vital signs, laboratory values, infection rates, readmissions, and mortality between short-course and long-course antibiotic groups.
Main Results:
- No significant differences were observed in tachycardia, leukocytosis, or time to normalization of vital signs between groups.
- Rates of Clostridium difficile infection, cholecystitis recurrence, and gallbladder-related unplanned readmissions were similar for both short-course and long-course antibiotics.
- Mortality rates at 30 and 90 days did not differ between the two antibiotic duration groups.
Conclusions:
- Antibiotic treatment duration of less than 7 days is comparable in efficacy and safety to longer durations post-cholecystostomy.
- Findings support the use of shorter antibiotic courses for intra-abdominal infections with source control, aligning with emerging medical literature.
Background:
Current guidelines do not specifically address optimal antibiotic duration following cholecystostomy. This study compares outcomes for short-course (<7 days) and long-course (≥7 days) antibiotics post-cholecystostomy.
Methods:
This was a retrospective review of cholecystostomy patients (≥18 years) admitted (1/1/2007-12/31/2017) to one healthcare system.
Results:
Overall, 214 patients were studied. Demographics were similar, except short-course patients had higher Charlson Comorbidity Index (p < 0.0001). There were no intergroup differences in tachycardia (22.5%[short-course] vs 23.3%[long-course]) or leukocytosis (67.1%[short-course] vs 64.4%[long-course]) at drain placement nor time to normalization for pulse, temperature or leukocytosis. There were no differences regarding Clostridium Difficile infection (5.0%[short-course] vs 1.6%[long-course]) or cholecystitis recurrence (8.8%[short-course] vs 10.9%[long-course]). No differences were observed regarding gallbladder-related unplanned readmissions (30-day:18.8%[short-course] vs 17.2%[long-course]; 90-day: 20.0%[short-course] vs 25.8%[long-course]). There were no 30- or 90-day mortality differences (overall mortality: 18.3%).
Conclusion:
Post-cholecystostomy outcomes were comparable between short-course and long-course antibiotics, consistent with emerging literature supporting short-course antibiotics for intra-abdominal infection with source control.
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