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Survival and new-onset morbidity after critical care admission for acute pancreatitis in Scotland: a national electronic healthcare record linkage cohort study.

Abstract：

INTRODUCTION:Severe acute pancreatitis (AP) requiring critical care admission (ccAP) impacts negatively on long-term survival. OBJECTIVE:To document organ-specific new morbidity and identify risk factors associated with premature mortality after an episode of ccAP. DESIGN:Cohort study. SETTING:Electronic healthcare registries in Scotland. PARTICIPANTS:The ccAP cohort included 1471 patients admitted to critical care with AP between 1 January 2008 and 31 December 2010 followed up until 31 December 2014. The population cohort included 3450 individuals from the general population of Scotland frequency-matched for age, sex and social deprivation. METHODS:Record linkage of routinely collected electronic health data with population matching. PRIMARY AND SECONDARY OUTCOME MEASURES:Patient demographics, comorbidity (Charlson Comorbidity Index), acute physiology, organ support and other critical care data were linked to records of mortality (death certificate data) and new-onset morbidity. Kaplan-Meier and Cox regression analyses were used to identify risk factors associated with mortality. RESULTS:310 patients with AP died during the index admission. Outcomes were not ascertained for five patients, and the deprivation quintile was not known for six patients. 340 of 1150 patients in the resulting postdischarge ccAP cohort died during the follow-up period. Greater comorbidity measured by the Charlson score, prior to ccAP, negatively influenced survival in the hospital and after discharge. The odds of developing new-onset diabetes mellitus after ccAP compared with the general population were 10.70 (95% CI 5.74 to 19.94). A new diagnosis of myocardial infarction, stroke, heart failure, liver disease, peptic ulcer, renal failure, cancer, peripheral vascular disease and lung disease was more frequent in the ccAP cohort than in the general population. CONCLUSIONS:The persistent deleterious impact of severe AP on long-term outcome and survival is multifactorial in origin, influenced by pre-existing patient characteristics and acute episode features. Further mechanistic and epidemiological investigation is warranted.

journal_name

BMJ Open

journal_title

BMJ open

authors

Ventre C,Nowell S,Graham C,Kidd D,Skouras C,Mole DJ

doi

10.1136/bmjopen-2018-023853

subject

Has Abstract

pub_date

2018-12-14 00:00:00

pages

e023853

issue

issn

2044-6055

pii

bmjopen-2018-023853

journal_volume

pub_type

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Survival and new-onset morbidity after critical care admission for acute pancreatitis in Scotland: a national electronic healthcare record linkage cohort study.