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JOURNAL ARTICLE
MULTICENTER STUDY

Comparison Between Revised Atlanta Classification and Determinant-Based Classification for Acute Pancreatitis in Intensive Care Medicine. Why Do Not Use a Modified Determinant-Based Classification?

Felix Zubia-Olaskoaga, Enrique Maraví-Poma, Iratxe Urreta-Barallobre, María-Rosario Ramírez-Puerta, Mónica Mourelo-Fariña, María-Pilar Marcos-Neira
Critical Care Medicine 2016, 44 (5): 910-7
26783860

OBJECTIVE: To compare the classification performance of the Revised Atlanta Classification, the Determinant-Based Classification, and a new modified Determinant-Based Classification according to observed mortality and morbidity.

DESIGN: A prospective multicenter observational study conducted in 1-year period.

SETTING: Forty-six international ICUs (Epidemiology of Acute Pancreatitis in Intensive Care Medicine study).

PATIENTS: Admitted to an ICU with acute pancreatitis and at least one organ failure.

INTERVENTIONS: Modified Determinant-Based Classification included four categories: In group 1, patients with transient organ failure and without local complications; in group 2, patients with transient organ failure and local complications; in group 3, patients with persistent organ failure and without local complications; and in group 4, patients with persistent organ failure and local complications.

MEASUREMENTS AND MAIN RESULTS: A total of 374 patients were included (mortality rate of 28.9%). When modified Determinant-Based Classification was applied, patients in group 1 presented low mortality (2.26%) and morbidity (5.38%), patients in group 2 presented low mortality (6.67%) and high morbidity (60.71%), patients in group 3 presented high mortality (41.46%) and low morbidity (8.33%), and patients in group 4 presented high mortality (59.09%) and morbidity (88.89%). The area under the receiver operator characteristics curve of modified Determinant-Based Classification for mortality was 0.81 (95% CI, 0.77-0.85), with significant differences in comparison to Revised Atlanta Classification (0.77; 95% CI, 0.73-0.81; p < 0.01), and Determinant-Based Classification (0.77; 95% CI, 0.72-0.81; p < 0.01). For morbidity, the area under the curve of modified Determinant-Based Classification was 0.80 (95% CI, 0.73-0.86), with significant differences in comparison to Revised Atlanta Classification (0.63, 95% CI, 0.57-0.70; p < 0.01), but not in comparison to Determinant-Based Classification (0.81, 95% CI, 0.74-0.88; nonsignificant).

CONCLUSION: Modified Determinant-Based Classification identified four groups with different clinical presentation in patients with acute pancreatitis in ICU, with better discriminatory power in comparison to Determinant-Based Classification and Revised Atlanta Classification.

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