Abstract
Background
We performed perfusion computed tomography (P-CT) and angiography of the pancreas in patients with severe acute pancreatitis (SAP) and compared the usefulness of these two methods in predicting the development of pancreatic necrosis.
Methods
We compared P-CT and angiography results taken within 3 days after symptom onset in 21 SAP patients. We divided the pancreas into three areas, the head, body, and tail, and examined each area for perfusion defects (via P-CT) and arterial vasospasms (by angiography). Three weeks later, all patients underwent contrast-enhanced CT to determine whether pancreatic necrosis had developed.
Results
Of the 21 SAP patients, 16 exhibited perfusion defects, while 17 proved positive for vasospasms in at least one area. Fourteen patients developed pancreatic necrosis. Of the 63 pancreatic areas from the 21 SAP patients, perfusion defects appeared in 25 areas (39.7%), 24 of which showed vasospasms (96.0%). Angiography showed 33 areas with vasospasms (52.4%), of which 24 showed perfusion defects (72.7%). Of the 25 areas with perfusion defects, 21 developed pancreatic necrosis (84.0%). Of the 33 areas with vasospasms, 21 developed necrosis (63.6%). Pancreatic necrosis developed only in the areas positive both for perfusion defects and for vasospasms. No areas without perfusion defect or vasospasms developed pancreatic necrosis. P-CT predicted the development of pancreatic necrosis with significantly higher accuracy than angiography.
Conclusion
While both P-CT and angiography are useful in predicting the development of pancreatic necrosis in patients with SAP, P-CT appears to be more accurate for this purpose.
Similar content being viewed by others
Abbreviations
- CT:
-
Computed tomography
- P-CT:
-
Perfusion CT
- CECT:
-
Contrast-enhanced CT
- SAP:
-
Severe acute pancreatitis
- H.U:
-
Hounsfield unit
References
Sekimoto M, Takada T, Kawarada Y, Hirata K, Mayumi T, Yoshida M, et al. JPN guidelines for the management of acute pancreatitis: epidemiology, etiology, natural history, and outcome predictors in acute pancreatitis. J Hepatobiliary Pancreat Surg. 2006;13:10–24.
Beger HG, Isenmann R. Diagnosis, objective assessment of severity, and management of acute pancreatitis. Santorini Consensus Conference. Int J Pancreatol. 1999;26:1–2 (discussion 2–3).
Takeda K, Mikami Y, Fukuyama S, Egawa S, Sunamura M, Ishibashi T, et al. Pancreatic ischemia associated with vasospasm in the early phase of human acute necrotizing pancreatitis. Pancreas. 2005;30:40–9.
Inoue K, Hirota M, Beppu T, Ishiko T, Kimura Y, Maeda K, et al. Angiographic features in acute pancreatitis: the severity of abdominal vessel ischemic change reflects the severity of acute pancreatitis. JOP. 2003;4:207–13.
Cuthbertson CM, Christophi C. Disturbances of the microcirculation in acute pancreatitis. Br J Surg. 2006;93:518–30.
Tsuji Y, Watanabe Y, Matsueda K, Yamamoto H, Ishida E, Yamamoto H. Usefulness of perfusion computed tomography for early detection of pancreatic ischemia in severe acute pancreatitis. J Gastroenterol Hepatol. 2006;21:1506–8.
Tsuji Y, Yamamoto H, Yazumi S, Watanabe Y, Matsueda K, Yamamoto H, et al. Perfusion computerized tomography can predict pancreatic necrosis in early stages of severe acute pancreatitis. Clin Gastroenterol Hepatol. 2007;5:1484–92.
Bize PE, Platon A, Becker CD, Poletti PA. Perfusion measurement in acute pancreatitis using dynamic perfusion MDCT. AJR Am J Roentgenol. 2006;186:114–8.
Park MS, Klotz E, Kim MJ, Song SY, Park SW, Cha SW, et al. Perfusion CT: noninvasive surrogate marker for stratification of pancreatic cancer response to concurrent chemo- and radiation therapy. Radiology. 2009;250:110–7.
Sheiman RG, Sitek A. Feasibility of measurement of pancreatic perfusion parameters with single-compartment kinetic model applied to dynamic contrast-enhanced CT images. Radiology. 2008;249:878–82.
d’Assignies G, Couvelard A, Bahrami S, Vullierme MP, Hammel P, Hentic O, et al. Pancreatic endocrine tumors: tumor blood flow assessed with perfusion CT reflects angiogenesis and correlates with prognostic factors. Radiology. 2009;250(2):407–16.
Balthazar EJ. Staging of acute pancreatitis. Radiol Clin North Am. 2002;40:1199–209.
Balthazar EJ, Freeny PC, van Sonnenberg E. Imaging and intervention in acute pancreatitis. Radiology. 1994;193:297–306.
UK guidelines for the management of acute pancreatitis. Gut 2005;54(Suppl 3):iii1–iii9.
Bollen TL, van Santvoort HC, Besselink MG, van Leeuwen MS, Horvath KD, Freeny PC, et al. The Atlanta classification of acute pancreatitis revisited. Br J Surg. 2008;95:6–21.
Takeda K, Yamauchi J, Shibuya K, Sunamura M, Mikami Y, Matsuno S. Benefit of continuous regional arterial infusion of protease inhibitor and antibiotic in the management of acute necrotizing pancreatitis. Pancreatology. 2001;1:668–73.
Takeda K, Matsuno S, Sunamura M, Kakugawa Y. Continuous regional arterial infusion of protease inhibitor and antibiotics in acute necrotizing pancreatitis. Am J Surg. 1996;171:394–8.
Takeda K. Antiproteases in the treatment of acute necrotizing pancreatitis: continuous regional arterial infusion. JOP. 2007;8:526–32.
Eckerwall GE, Axelsson JB, Andersson RG. Early nasogastric feeding in predicted severe acute pancreatitis: a clinical, randomized study. Ann Surg. 2006;244:959–65. discussion 965–967.
Tsuji Y, Koizumi K, Isoda H, Ueno K, Tada S, Chiba T. The radiological exposure of pancreatic perfusion CT. Pancreas. 2009 (in press).
Tsushima Y, Blomley JK, Kusano S, Endo K. The portal component of hepatic perfusion measured by dynamic CT: an indicator of hepatic parenchymal damage. Dig Dis Sci. 1999;44:1632–8.
Miles KA, Hayball MP, Dixon AK. Measurement of human pancreatic perfusion using dynamic computed tomography with perfusion imaging. Br J Radiol. 1995;68:471–5.
Tsushima Y, Kusano S. Age-dependent decline in parenchymal perfusion in the normal human pancreas: measurement by dynamic computed tomography. Pancreas. 1998;17:148–52.
Abe H, Murakami T, Kubota M, Kim T, Hori M, Kudo M, et al. Quantitative tissue blood flow evaluation of pancreatic tumor: comparison between xenon CT technique and perfusion CT technique based on deconvolution analysis. Radiat Med. 2005;23:364–70.
Wintermark M, Ko NU, Smith WS, Liu S, Higashida RT, Dillon WP. Vasospasm after subarachnoid hemorrhage: utility of perfusion CT and CT angiography on diagnosis and management. AJNR Am J Neuroradiol. 2006;27:26–34.
Axel L. Cerebral perfusion CT techniques. Radiology. 2004;233:935 (author reply 935).
Eastwood JD, Lev MH, Azhari T, Lee TY, Barboriak DP, Delong DM, et al. CT perfusion scanning with deconvolution analysis: pilot study in patients with acute middle cerebral artery stroke. Radiology. 2002;222:227–36.
Eastwood JD, Provenzale JM, Hurwitz LM, Lee TY. Practical injection-rate CT perfusion imaging: deconvolution-derived hemodynamics in a case of stroke. Neuroradiology. 2001;43:223–6.
Sahani DV, Holalkere NS, Kambadakone A, Matthes K, Mino-Kenudson M, Brugge WR. Role of computed tomography perfusion in the evaluation of pancreatic necrosis and pancreatitis after endoscopic ultrasound-guided ablation of the pancreas in a porcine model. Pancreas. 2009;38:775–81.
Kishimoto M, Tsuji Y, Katabami N, Shimizu J, Lee KJ, Iwasaki T, et al. Measurement of canine pancreatic perfusion using dynamic computed tomography: influence of input-output vessels on deconvolution and maximum slope methods. Eur J Radiol. 2009 (Epub ahead of print).
Traverso LW, Kozarek RA. Pancreatic necrosectomy: definitions and technique. J Gastrointest Surg. 2005;9:436–9.
Isenmann R, Rau B, Zoellner U, Beger HG. Management of patients with extended pancreatic necrosis. Pancreatology. 2001;1:63–8.
Inoue K, Hirota M, Kimura Y, Kuwata K, Ohmuraya M, Ogawa M. Further evidence for endothelin as an important mediator of pancreatic and intestinal ischemia in severe acute pancreatitis. Pancreas. 2003;26:218–23.
Wintermark M, Thiran JP, Maeder P, Schnyder P, Meuli R. Simultaneous measurement of regional cerebral blood flow by perfusion CT and stable xenon CT: a validation study. Am J Neuroradiol. 2001;22:905–14.
Bai Y, Gao J, Zou DW, Li ZS. Prophylactic antibiotics in acute pancreatitis: further high-quality trials are still warranted. Am J Gastroenterol. 2008;103:104–10.
Tsuji Y, Chiba T. Are prophylactic antibiotics really ineffective in reducing the risk of pancreatic necrosis? Am J Gastroenterol. 2008;103:2145–6.
Manes G, Uomo I, Menchise A, Rabitti PG, Ferrara EC. Timing of antibiotics prophylaxis in acute pancreatitis; a controlled randomized study with meropenem. Am J Gastroenterol. 2006;101:1348–53.
Jafri NS, Mahid SS, Idstein SR, Hornung CA, Galandiuk S. Antibiotic prophylaxis is not protective in severe acute pancreatitis: a systematic review and meta-analysis. Am J Surg. 2009;197:806–13.
Wittau M, Hohl K, Mayer J, Henne-Bruns D, Isenmann R. The weak evidence base for antibiotic prophylaxis in severe acute pancreatitis. Hepatogastroenterology. 2008;55:2233–7.
Besselink MG, van Santvoort HC, Boermeester MA, Nieuwenhuijs VB, van Goor H, Dejong CH, et al. Timing and impact of infections in acute pancreatitis. Br J Surg. 2009;96:267–73.
Acknowledgments
Grant support: Japan Society for the Promotion of Science.
Conflict of interest statement.
All authors declare that they are free of any commercial affiliations or other financial interests that might lead to the appearance of conflict of interest.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Tsuji, Y., Hamaguchi, K., Watanabe, Y. et al. Perfusion CT is superior to angiography in predicting pancreatic necrosis in patients with severe acute pancreatitis. J Gastroenterol 45, 1155–1162 (2010). https://doi.org/10.1007/s00535-010-0267-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00535-010-0267-8