Key result
Extending postoperative systemic antibiotic prophylaxis for ≥24 hours following CIED implantation did not significantly reduce the risk of infection compared to control (RR 0.83).
Why the study?
Although pre-procedural antibiotic prophylaxis reduces CIED infection rates, limited data exist on post-procedural antibiotic use, especially beyond 24 hours.
Does extending postoperative systemic antibiotic prophylaxis for 24 hours or more reduce CIED infection in patients undergoing CIED implantation?
Meta-Analysis (n=27,375)
Does extending postoperative systemic antibiotic prophylaxis for 24 hours or more reduce CIED infection in patients undergoing CIED implantation?
Relative Risk: 0.83 (95% CI 0.47–1.44)
p-value: p=0.50
Extending postoperative systemic antibiotic prophylaxis beyond 24 hours following CIED implantation does not reduce the risk of infection, supporting current antibiotic stewardship guidelines.
No benefit from extended post-procedural antibiotics after CIED implantation; challenges routine prolongation and reinforces pre-procedural prophylaxis alone.
Background Cardiac implantable electronic devices (CIED) represent established life-sustaining interventions for various cardiac conditions, but post-placement infections are associated with high morbidity and mortality. Although pre-procedural antibiotic prophylaxis effectively reduces CIED infection rates, limited data exist on post-procedural antibiotic use, especially beyond 24 hours. This study assesses the efficacy of post-procedural antibiotic usage in preventing CIED placement-related infections. Methods We conducted a systematic review and meta-analysis, including studies that examined the comparative outcomes among patients. The study cohorts were divided into two groups: (1) those who underwent preoperative antibiotic prophylaxis followed by a continuation of 24 hours or more postoperatively (intervention group); and (2) those who received either preoperative-only antibiotic prophylaxis or preoperative prophylaxis with a duration of less than 24 hours postoperatively (control group). Risk of bias was assessed with ROBINS-I and ROB-2 tools. Risk ratio (RR) was pooled using random-effect or fixed-effect meta-analyses with inverse variance method. Results Our analysis of ten studies, including four randomized controlled trials and six cohort studies with 27,375 participants, revealed no statistically significant differences in outcomes between two groups. These outcomes included (CIED) infection rates (RR 0.83, 95% CI 0.47, 1.44), mortality (RR 1.22, 95% CI 0.66, 2.25), pocket hematoma (RR 1.01, 95% CI 0.54, 1.92) and re-intervention (RR 0.71, 95% CI 0.20, 2.50). The larger randomized controlled trial had an obvious impact on the overall findings. Conclusions The present systematic review and meta-analysis found no advantage in extending postoperative antibiotic prophylaxis for more than 24 hours following (CIED) implantation. These findings align with prevailing guidelines which support antibiotic stewardship practices. This approach has the ability to reduce adverse drug events, curb the potential for antibiotic resistance and alleviate the financial burdens associated with prolonged postoperative antibiotic prophylaxis.
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A 2024 study conducted a meta-analysis in Cardiac implantable electronic device (CIED) implantation (n=27,375). Postoperative systemic antibiotic prophylaxis for ≥24 hours vs. Preoperative-only antibiotic prophylaxis or preoperative prophylaxis plus <24 hours postoperative prophylaxis was evaluated on Cardiac Implantable Electronic Device (CIED) infection necessitating the removal of the system within 6 months post-procedure (RR 0.83, 95% CI 0.47, 1.44, p=0.50). Extending postoperative systemic antibiotic prophylaxis for ≥24 hours following CIED implantation did not significantly reduce the risk of infection compared to control (RR 0.83).
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