Abstract
AIMTo explore the value of three-dimensional (3D) visualization technology in the minimally invasive treatment for infected necrotizing pancreatitis (INP).METHODSClinical data of 18 patients with INP, who were admitted to the PLA General Hospital in 2017, were retrospectively analyzed. Two-dimensional images of computed tomography were converted into 3D images based on 3D visualization technology. The size, number, shape and position of lesions and their relationship with major abdominal vasculature were well displayed. Also, percutaneous catheter drainage (PCD) number and puncture paths were designed through virtual surgery (percutaneous nephroscopic necrosectomy) based on the principle of maximum removal of infected necrosis conveniently.RESULTSAbdominal 3D visualization images of all the patients were well reconstructed, and the optimal PCD puncture paths were well designed. Infected necrosis was conveniently removed in abundance using a nephroscope during the following surgery, and the median operation time was 102 (102 ± 20.7) min. Only 1 patient underwent endoscopic necrosectomy because of residual necrosis.CONCLUSIONThe 3D visualization technology could optimize the PCD puncture paths, improving the drainage effect in patients with INP. Moreover, it significantly increased the efficiency of necrosectomy through the rigid nephroscope. As a result, it decreased operation times and improved the prognosis.
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