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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
Elvira Manzano, 6 days ago
Bisphosphonates have proven antifracture efficacy and remain to be the cornerstone of osteoporosis treatment. However, a drug holiday is of particular importance with bisphosphonates due to some signals with long-term use of the drug, including rare incidence of atypical femoral fracture (AFF) and osteonecrosis of the jaw (ONJ), says a leading endocrinologist at AFOS 2017.
Yesterday
Drinking coffee, whether caffeinated or decaffeinated, is associated with a reduced risk of cardiovascular disease (CVD) and ischaemic heart disease (IHD) mortality in patients with a prior myocardial infarction (MI), according to a recent study.
3 days ago
Breast cancer patients have notably different microbiomes in the local breast tissue and urinary tract, a recent study reveals. Particularly, species in the Methylobacterium genus are reduced in the local breast tissue while the urinary tract is enriched in gram-positive bacteria.
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