Korean Journal of Radiology

The Korean Society of Radiology (대한영상의학회)
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Prediction of Late Postoperative Hemorrhage after Whipple Procedure Using Computed Tomography Performed During Early Postoperative Period

  • Han, Ga Jin (Department of Radiology, Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine) ;
  • Kim, Suk (Department of Radiology, Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine) ;
  • Lee, Nam Kyung (Department of Radiology, Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine) ;
  • Kim, Chang Won (Department of Radiology, Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine) ;
  • Seo, Hyeong Il (Department of Surgery, Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine) ;
  • Kim, Hyun Sung (Department of Surgery, Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine) ;
  • Kim, Tae Un (Department of Radiology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine)
  • Received : 2017.04.24
  • Accepted : 2017.08.21
  • Published : 2018.04.01
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Abstract

Objective: Postpancreatectomy hemorrhage (PPH) is an uncommon but serious complication of Whipple surgery. To evaluate the radiologic features associated with late PPH at the first postoperative follow up CT, before bleeding. Materials and Methods: To evaluate the radiological features associated with late PPH at the first follow-up CT, two radiologists retrospectively reviewed the initial postoperative follow-up CT images of 151 patients, who had undergone Whipple surgery. Twenty patients showed PPH due to vascular problem or anastomotic ulcer. The research compared CT and clinical findings of 20 patients with late PPH and 131 patients without late PPH, including presence of suggestive feature of pancreatic fistula (presence of air at fluid along pancreaticojejunostomy [PJ]), abscess (fluid collection with an enhancing rim or gas), fluid along hepaticojejunostomy or PJ, the density of ascites, and the size of visible gastroduodenal artery (GDA) stump. Results: CT findings including pancreatic fistula, abscess, and large GDA stump were associated with PPH on univariate analysis ($p{\leq}0.009$). On multivariate analysis, radiological features suggestive of a pancreatic fistula, abscess, and a GDA stump > 4.45 mm were associated with PPH ($p{\leq}0.031$). Conclusion: Early postoperative CT findings including GDA stump size larger than 4.45 mm, fluid collection with an enhancing rim or gas, and air at fluid along PJ, could predict late PPH.

Keywords

Acknowledgement

Supported by : Pusan National University

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