Adherence to Antibiotic Prophylaxis for Percutaneous Transhepatic Cholangiography: A Single-Centre Experience

Debamita Bhattacharjee, Twishaa Sheth, Alfred Adiamah, Dhanwant Gomez
Curēus 2020 May 6, 12 (5): e7989
Background Percutaneous transhepatic cholangiography (PTC) is associated with high rates of sepsis. The aim of the current study was to audit the adherence to trust guidelines on antibiotic prophylaxis in patients undergoing PTC. Secondary aims included the management and outcome of patients with sepsis post-procedure. Methods This was a retrospective analysis of 50 consecutive patients who underwent a PTC procedure between January 2016 to January 2017. Collated data included PTC indication, drug allergies, antibiotics given pre-PTC, culture results, and antibiotic sensitivities within one-month post-PTC. Results Complete data were available for 41 patients and 61 PTC procedures. The median age was 68 years, and 51% were females. The indication for PTC was malignancy (n=32, 78%), benign conditions (n=1, 2%), and unknown diagnosis at the time of PTC (n=8, 20%). Three cases did not receive antibiotic prophylaxis. Only 27 (44%) PTC procedures received appropriate pre-PTC antibiotics as per guidelines, with no adherence to guidelines in all penicillin-allergic patients. In six patients who were not being treated for sepsis pre-PTC, a newly positive post-PTC blood/drain culture was observed within one month. Organisms grown in the post-PTC cultures were 56% gram-negative, the majority being Escherichia coli. The 30-day mortality rate was 12.2% (5/41). Conclusions Poor adherence to recommended antibiotic regimes is a significant contributing factor for sepsis post-PTC. Investigating barriers to guideline implementation, stricter adherence, and peer education are interventions that could improve post-PTC outcomes.

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