2017 Volume 31 Issue 4 Pages 442-447
We retrospectively examined 50 cases of bear-inflicted injuries transported to Iwate Medical University Emergency and Critical care Center. The patients were mostly male (average age : 69±5 years old), and were often attacked in May from 8 : 00-11 : 59 while picking wild plants. The patients had damage to the facial area in 90% of the cases without bilateral difference, and emergency surgery under general anesthesia was required in 68% of the cases. Prophylactic antibiotics were administered in all cases and the incidence rate for wound infection was 20%. The detected bacteria comprised 11 different strains ; 7 strains of facultative anaerobic bacteria and 4 strains of anaerobic bacteria, and β lactamase inhibitors were effective for 9 of the strains. When the incidence rates for wound infection were based on the given antibiotic, the incidence was 9.1% for β lactamase inhibitors and 28.5% for non-β lactamase inhibitors.
