Organ support & nutrition

Incidence, Mortality, and Long‐Term Survival in Patients With Acute Pancreatitis Admitted to Intensive Care: A Nationwide Cohort Study

Acta Anaesthesiol ScandPublished Nationwide observational cohort study

Authors' conclusion

Admissions to the ICU for AP seem to increase in a national cohort, and 90-day mortality occurred in almost every 1 of 4 patients. Patients with ICU-treated AP discharged alive from the hospital have good long-term survival, although with reduced longevity compared to the age- and gender-adjusted general population.

Study context

Population
Adults with acute pancreatitis admitted to Norwegian intensive care units (ICUs), 2016–2021
Participants
1,183 adults
Outcome
Incidence over time and predictors of 90-day mortality
Follow-up
90 days
Methodological detailsregistry-based
  • Registry-based

Main finding

As reported in the abstract

Incidence and mortality

Average annual incidence per 100,000 inhabitants (increased, ptrend = 0.048)

3.8

In-hospital mortality (n = 243)

20.5%

90-day mortality (n = 270)

22.8%

1-year cumulative mortality (n = 331)

28.0%

Observational data: associations, not effects.

Further findings

Independent predictors of 90-day mortality

OR (95% CI)
Age1.05 (1.04–1.07)
SAPS II score1.06 (1.05–1.07)
Charlson Comorbidity Index score1.2 (1.10–1.31)

Risk of death in hospital survivors (multivariable survival analysis)

HR (95% CI)
Age1.05 (1.04–1.07)
SAPS II1.01 (1.00–1.02)
CCI1.29 (1.21–1.38)
Biliary etiology0.48 (0.30–0.78)
Longer ICU LOS0.98 (0.97–1.00)

Independent predictors of 90-day mortality

Pancreatitis etiology also an independent predictor

Risk of death in hospital survivors (multivariable survival analysis)

No association between advanced organ support and death after hospital discharge

Long-term survival of patients discharged alive vs age- and gender-matched population

Relative long-term survival approximately
90%

Original publication

Incidence, Mortality, and Long‐Term Survival in Patients With Acute Pancreatitis Admitted to Intensive Care: A Nationwide Cohort Study. Acta Anaesthesiol Scand. Published 10 December 2025. doi:10.1111/aas.70164

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