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Clinical Trial
. 2021 Dec 17;11(1):24158.
doi: 10.1038/s41598-021-03449-8.

Hypoalbuminemia affects one third of acute pancreatitis patients and is independently associated with severity and mortality

Affiliations
Clinical Trial

Hypoalbuminemia affects one third of acute pancreatitis patients and is independently associated with severity and mortality

Klementina Ocskay et al. Sci Rep. .

Abstract

The incidence and medical costs of acute pancreatitis (AP) are on the rise, and severe cases still have a 30% mortality rate. We aimed to evaluate hypoalbuminemia as a risk factor and the prognostic value of human serum albumin in AP. Data from 2461 patients were extracted from the international, prospective, multicentre AP registry operated by the Hungarian Pancreatic Study Group. Data from patients with albumin measurement in the first 48 h (n = 1149) and anytime during hospitalization (n = 1272) were analysed. Multivariate binary logistic regression and Receiver Operator Characteristic curve analysis were used. The prevalence of hypoalbuminemia (< 35 g/L) was 19% on admission and 35.7% during hospitalization. Hypoalbuminemia dose-dependently increased the risk of severity, mortality, local complications and organ failure and is associated with longer hospital stay. The predictive value of hypoalbuminemia on admission was poor for severity and mortality. Severe hypoalbuminemia (< 25 g/L) represented an independent risk factor for severity (OR 48.761; CI 25.276-98.908) and mortality (OR 16.83; CI 8.32-35.13). Albumin loss during AP was strongly associated with severity (p < 0.001) and mortality (p = 0.002). Hypoalbuminemia represents an independent risk factor for severity and mortality in AP, and it shows a dose-dependent relationship with local complications, organ failure and length of stay.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Figure 1
Figure 1
Relation between albumin level and local complications, as defined by the Revised Atlanta Criteria in acute pancreatitis. All types of local complications were significantly more frequent in the low albumin group. A dose-dependent increase was seen in the rate of local complications and peripancreatic fluid collection in both cohorts and in pancreatic necrosis and pseudocyst in the lowest measured albumin cohort. P < 0.05 is considered significant. Patients with albumin levels < 35 g/L were included in the low albumin group (Groups 5–7).
Figure 2
Figure 2
Relation between albumin level and organ failure, as defined by the Revised Atlanta Criteria in acute pancreatitis. Significantly more patients developed organ failure in the low albumin group in both cohorts. A dose-dependent increase was seen in the case of all analyses in the lowest measured albumin cohort. Heart failure was dose-dependently increased in the on-admission cohort as well. P < 0.005 is considered significant.
Figure 3
Figure 3
Relation between albumin level and disease severity, mortality, length of stay and maximum C-reactive protein level in acute pancreatitis. Severity, mortality, length of stay and maximum C-reactive protein levels were significantly and dose-dependently associated with hypoalbuminemia in both cohorts. P < 0.05 is considered significant.
Figure 4
Figure 4
Receiver operating curves for mortality and severity. AUC area under the curve; best cut-offs are shown in red.

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