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Antibiotic Duration Following Abdominal Gunshot Injuries With Associated Pelvis or Spine Involvement: A 20-Year Single-Center Experience.
Journal of Surgical Research 2023 June 23
INTRODUCTION: Optimal antimicrobial prophylaxis duration following gunshot wounds (GSW) to the abdomen with an associated orthopedic fracture is unknown. This study evaluated the safety and efficacy of short versus long courses of prophylactic antibiotics following penetrating hollow viscus injury with communicating orthopedic fracture.
METHODS: This retrospective study included adult patients admitted to the trauma service over a 20-y period who sustained an abdominal GSW with hollow viscus injury and communicating spine or pelvic fractures. Patients were stratified into cohorts based on prophylactic antibiotic duration: short course (SC, ≤48 h) and long course (>48 h). The primary outcome was the incidence of osteomyelitis and meningitis up to 1-y postinjury. Secondary outcomes included hospital length of stay and the incidence of multidrug-resistant organisms and Clostridioides difficile infections. Risk factors for osteomyelitis and meningitis were determined.
RESULTS: A total of 125 patients were included with 45 (36%) in the SC group. Median prophylactic antibiotic durations were SC, 1 (interquartile range [IQR], 1-2) versus long course, 7 (IQR, 5-7) d (P < 0.001). There was no difference in osteomyelitis and meningitis incidence (2 [4.4%] versus 4 [5%], P = 0.77). Median hospital length of stay (7 [IQR, 6-11] versus 9 [IQR, 6-15] d, P = 0.072) and incidence of multidrug-resistant organisms (6 [13.3%] versus 13 [16.3%], P = 0.86) and Clostridioides difficile infections (0 [0%] versus 1 [1.3%], P = 0.77) were similar between groups. There were no independent risk factors identified for osteomyelitis or meningitis.
CONCLUSIONS: A shorter course of antibiotic prophylaxis ≤48 h may be adequate following abdominal GSW that traverses a hollow viscus and results in pelvic fracture or spinal column injury.
METHODS: This retrospective study included adult patients admitted to the trauma service over a 20-y period who sustained an abdominal GSW with hollow viscus injury and communicating spine or pelvic fractures. Patients were stratified into cohorts based on prophylactic antibiotic duration: short course (SC, ≤48 h) and long course (>48 h). The primary outcome was the incidence of osteomyelitis and meningitis up to 1-y postinjury. Secondary outcomes included hospital length of stay and the incidence of multidrug-resistant organisms and Clostridioides difficile infections. Risk factors for osteomyelitis and meningitis were determined.
RESULTS: A total of 125 patients were included with 45 (36%) in the SC group. Median prophylactic antibiotic durations were SC, 1 (interquartile range [IQR], 1-2) versus long course, 7 (IQR, 5-7) d (P < 0.001). There was no difference in osteomyelitis and meningitis incidence (2 [4.4%] versus 4 [5%], P = 0.77). Median hospital length of stay (7 [IQR, 6-11] versus 9 [IQR, 6-15] d, P = 0.072) and incidence of multidrug-resistant organisms (6 [13.3%] versus 13 [16.3%], P = 0.86) and Clostridioides difficile infections (0 [0%] versus 1 [1.3%], P = 0.77) were similar between groups. There were no independent risk factors identified for osteomyelitis or meningitis.
CONCLUSIONS: A shorter course of antibiotic prophylaxis ≤48 h may be adequate following abdominal GSW that traverses a hollow viscus and results in pelvic fracture or spinal column injury.
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