Abstract
The aim of this investigation was to compare microbiological analyses of 100 computed tomography-guided drainages from infectious foci (thoracic, abdominal, musculoskeletal), transported and analyzed by two widely established techniques, that are (i) sterile vials or (ii) inoculated blood culture bottles. The mean number of detected microorganisms from blood culture (aerobic/anaerobic) or conventional method (sterile vial, solid and broth media) per specimen were comparable with 1.29 and 1.41, respectively (p = 1.0). The conventional method showed a trend towards shorter time-to-result (median 28.62 h) in comparison to blood culture incubation (median 43.55 h) (p = 0.0722). Of note, detection of anaerobes (13% vs. 36%) and the number of detected microorganisms in polymicrobial infections (2.76 vs. 3.26) differed significantly with an advantage towards conventional techniques (p = 0.0015; p = 0.035), especially in abdominal aspirations. Despite substantially overlapping results from both techniques, the conventional approach includes some benefits which justify its role as standard approach.
Highlights
Computed tomography-(CT) guided percutaneous drainage has been the standard therapy for intra-abdominal and pelvic abscess [1]
During the postoperative course, the role of CT-guided drainage as a minimally invasive procedure prevailed over surgical interventions
A total of 100 CT-guided drainages from infectious foci were taken in the Institute of Diagnostic and Interventional Radiology, Pediatric Radiology and Neuroradiology, Rostock University Medical Center, Rostock, Germany by a radiologist
Summary
Computed tomography-(CT) guided percutaneous drainage has been the standard therapy for intra-abdominal and pelvic abscess [1]. During the postoperative course, the role of CT-guided drainage as a minimally invasive procedure prevailed over surgical interventions. As a complication of gastrointestinal surgery, intra-abdominal abscesses lead to increased morbidity and mortality [3]. The primary goal of abscess treatment is the mechanical relief of the infectious process to avoid secondary complications [4]. The additive antibiotic therapy of abscesses is recommended for certain patient groups in order to avoid a worsening condition by peritonitis and sepsis [4]. In percutaneous puncture of abscesses, microbiological diagnostics often lead to a change in the antibiotic therapy regimen [5,6,7]. Adequate antibiosis is an important condition for a positive outcome, especially for critically ill patients [8]
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