CT-guided special approaches of drainage for intraabdominal and pelvic abscesses: One single center's experience and review of literature

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BackgroundTo explore the safety and efficacy of several special approaches of drainage for deep inaccessible intraabdominal and pelvic abscesses.MethodsBy searching of our institutional database, the clinical and radiologic information of all patients with special approaches of abscesses drainage was collected, consisting of etiology, diameter of abscess, duration of drainage, major complications, rates of success, failure and death, and pre-procedure, intra-procedure and post-procedure computed tomography scans.ResultsA total of 124 patients are eligible for the criterion in our center between January 2010 and January 2018. The mean diameter of abscess was 5.6 cm (range 3.0–9.8 cm) and mean duration of drainage was 10.3 days (range 4–43 days). Pain was complained in 6 patients (4.8%) and hemorrhage was observed in one patient. Complete resolution of the abscess following drainage was observed in 115 patients (92.7%). A total of 9 patients (7.3%) failed to percutaneous abscess drainage and 3 patients died of catheter-unrelated diseases. Transintestinal afferent loop of drainage was firstly attempted in six patients and complete resolution of abscess was achieved in five patients.ConclusionSpecial approaches, including transgluteal, presacral space, transhepatic, multiplane reconstruction (MPR)-assisted oblique approach and transintestinal afferent loop approach for those deep inaccessible intraabdominal and pelvic abscesses are safe and feasible.

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