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Pancreatic exocrine insufficiency linked to mortality in chronic pancreatitis

25 Sep 2017

Pancreatic exocrine insufficiency (PEI) appears to be independently associated with reduced survival among patients with chronic pancreatitis (CP), according to a study.

Researchers followed a cohort of 430 CP patients (mean age 47.8 years; 79.1 percent male) for a mean of 8.6 years. CP and PEI diagnoses were established using pancreatic imaging and the 13C-labeled mixed triglyceride breath test, respectively.

The effect of PEI and other clinical features on mortality risk was evaluated in multivariate Cox proportional hazard regression models.

In the cohort, the prevalence rate of PEI was 29.3 percent. Mortality was 10.9 percent. Cancer (40.4 percent) was the most commonly reported cause of death, followed by infection (21.3 percent) and acute cardiovascular event (14.9 percent).

Multivariate analyses revealed associations between increased mortality and presence of PEI (hazard ratio [HR], 2.59; 95 percent CI, 1.42 to 4.71; p<0.003), liver cirrhosis (HR, 3.87; 1.95 to 7.69; p<0.001), age at diagnosis (HR, 1.05; 1.03 to 1.09; p<0.001), toxic aetiology of CP (HR, 3.11; 1.11 to 8.70; p<0.05) and respiratory comorbidity (HR, 2.19; 1.12 to 4.31; p<0.03).

Of note, nutritional markers were markedly lower in patients with PEI relative to those without the condition (p<0.001) and in patients who died relative to survivors (p<0.001).

Researchers noted that the increase in mortality with PEI was revealed despite the administration of pancreatic enzyme replacement therapy at a median daily dose of 150,000 units of lipase to the patients, suggesting that the results might have underestimated the true impact of this complication on mortality.

Further research into optimal treatment of PEI and its impact on reducing the associated mortality burden in CP is therefore warranted, they added.

Characterized by long-term inflammation of the pancreas, CP may result in fibrosis and irreversible damage to both exocrine and endocrine tissue. The effect of PEI in patients with CP has been typically limited to the consideration of gastrointestinal symptoms (eg, steatorrhea and weight loss), leading to undertreatment of PEI. [Aliment Pharmacol Ther 2010;32:1–25; Clin Gastroenterol Hepatol 2007;5:484–488]

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Most Read Articles
01 Nov 2014
Current management of liver abscess is by intravenous antibiotics and percutaneous treatment. The efficacy of this management was assessed in this study.
05 Aug 2014
Clinical and laboratory data of acute kidney injury in patients with liver abscess were analyzed in this review.
08 Oct 2014
Anal fissure is an ulceration of the anoderm in the anal canal. Treatments usually do not target these causative factors. Recently, this review has been published giving an update on the management of anal fissure.
15 Feb 2012
This intervention review assessed the efficacy and morbidity of various anal fissure medical therapies in place for surgery.