Ischemic Pancreatitis Is an Important Cause of Acute Pancreatitis in the Intensive Care Unit

Background: Ischemic pancreatitis (IP) has mainly been described in case reports. The aims of the study were to assess the frequency, clinical characteristics and outcomes in patients with IP among patients hospitalized in the intensive care unit (ICU) for acute pancreatitis (AP). Methods: All patie...

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Bibliographic Details
Published in:Journal of Clinical Gastroenterology
Main Authors: Baldursdottir, Maria B., Andresson, Johannes A., Jonsdottir, Sigrun, Benediktsson, Halldor, Kalaitzakis, Evangelos, Bjornsson, Einar S.
Format: Article in Journal/Newspaper
Language:English
Published: Ovid Technologies (Wolters Kluwer Health) 2021
Subjects:
Gastroenterology
Iceland
Online Access:http://dx.doi.org/10.1097/mcg.0000000000001651
https://journals.lww.com/10.1097/MCG.0000000000001651
Description
Summary:Background: Ischemic pancreatitis (IP) has mainly been described in case reports. The aims of the study were to assess the frequency, clinical characteristics and outcomes in patients with IP among patients hospitalized in the intensive care unit (ICU) for acute pancreatitis (AP). Methods: All patients with first time AP between 2011 and 2018 in the ICU of Landspitali Hospital, Iceland were retrospectively included. IP as an etiology required a clinical setting of circulatory shock, arterial hypotension, hypovolemia and/or arterial hypoxemia [PaO 2 of 60 mm Hg (8.0 kPa), or less] before the diagnosis of AP without prior history of abdominal pain to this episode. Other causes of AP were ruled out. IP patients were compared with patients with AP of other etiologies, also hospitalized in the ICU. Results: Overall 67 patients with AP were identified (median age 60 y, 37% females), 31% idiopathic, 24% alcoholic, 22% IP, 15% biliary, and 8% other causes. Overall, 15 (22%) fulfilled the predetermined criteria for IP, 9 males (64%), median age 62 years (interquartile range: 46 to 65). IP was preceded mainly by systemic shock (73%). Other causes included dehydration, hypoxia, or vessel occlusion to the pancreas. Necrosis of the pancreas was rare with one patient requiring pancreatic necrosectomy. Inpatient mortality was higher among patients with IP than in other patients with AP (33% vs. 14%, P =0.12). Conclusions: IP was found in a significant proportion of AP patients hospitalized in the ICU. The main causes of IP were systemic shock and hypoxia. IP was associated with ∼30% mortality.

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