Prophylactic antibiotic therapy during endovascular closure of patent foramen ovale: a clinical study

   Purpose of the study. To study the effect of prophylactic antibiotic therapy on the course of the postoperative period in patients undergoing endovascular closure of patent foramen ovale (PFO).

   Material and methods. The study included 276 patients who were submitted to endovascular closure of PFO. The follow-up duration was 12 months. Depending on prophylactic antibiotic therapy the patients were divided into 2 groups - those who did not receive and those who received prophylactic antibiotic therapy (115 and 161 patients, respectively).

   Results. Cephalosporins were prescribed to patients as prophylactic antibiotic therapy, and in the presence of allergic reactions they were replaced by glycopeptides. In total, patients received 1 to 2 drugs per prophylaxis course. Postoperative complications were present in 37 (22.98 %) patients who received prophylactic antibiotic therapy and 12 (10.43 %) who did not receive prophylaxis (p = 0.007). Access site complications were the most identified, but they were not inflammatory in nature. An elevation of body temperature over 37.1 °C was observed in 19 (11.80 %) patients receiving prophylactic antibiotic therapy compared to 5 (4.35 %) who did not receive prophylaxis (p = 0.03). Meanwhile, marked leukocytosis was absent in both groups. The duration of body temperature elevation did not differ between the groups. They also had a longer duration of hospitalization, 7.00 [6.00; 8.00] bed days, compared to 6.00 [4.00; 7.00].

   Discussion. It has been suggested that hyperthermia may be associated with prophylactic administration of antibacterial drugs causing death of persistent microflora. In patients who did not receive prophylactic antibiotic therapy, their concentration was lower, which did not lead to an increase in body temperature. Since there are no indications on the necessity of prophylactic antibiotic therapy before endovascular closure of PFO in clinical recommendations, it is suggested to evaluate its appropriateness for each patient individually.

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