Abstract
Background
Although continuous regional arterial infusion (CRAI) of protease inhibitors and broad antibiotics has been suggested as one of the therapeutic option for patients with acute necrotic pancreatitis (ANP), the effectiveness has not been well-corroborated in clinical studies.
Methods
We conducted a retrospective cohort study using a Japanese national administrative database. Severe acute pancreatitis patients with a poorly enhanced pancreas region (i.e., definitive or clinically suspected ANP) were identified and dichotomized according to whether CRAI was performed. We compared the outcomes of in-hospital mortality, surgical interventions, hospital-free days, and healthcare costs between groups adjusted by the well-validated case-mix adjustment model using a multivariate mixed-effect regression analysis and a propensity score matching analysis.
Results
Of 243,312 acute pancreatitis patients, 702 eligible patients were identified, of these 339 patients underwent CRAI. The case-mix adjustment model established had good predictability for in-hospital mortality with an area under the receiver operating characteristics curve of 0.87. CRAI was significantly associated with reduced in-hospital mortality [14.5% in the CRAI group vs. 18.2% in the non-CRAI group, adjusted odds ratio (95% confidence interval; CI) = 0.60 (0.36–0.97)]. Significant associations were not observed for the frequency of surgical interventions and mean hospital-free days; however, significantly higher healthcare costs were observed in the CRAI group. Results of the propensity score matching analysis did not alter these results.
Conclusions
Analysis of a nationwide large-scale database suggested that CRAI was significantly associated with reduced in-hospital mortality for patients with ANP. Further randomized controlled trials are warranted.
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Abbreviations
- ANP:
-
Acute necrotizing pancreatitis
- AUROC:
-
Area under the receiver operating curve
- CI:
-
Confidence interval
- CRAI:
-
Continuous regional arterial infusion
- CT:
-
Computed tomography
- DPC:
-
Diagnosis procedure combination
- ICD-10:
-
International Classification of Diseases, 10th revision
- ICU:
-
Intensive care unit
- RCT:
-
Randomized controlled trial
- SAP:
-
Severe acute pancreatitis
- SD:
-
Standard deviation
- VIF:
-
Variance inflation factor
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Acknowledgements
AE received the Grants-in-Aid for Scientific Research (#17K17045) from Japan Society for the Promotion of Science. KF received a Grant-in-Aid for Research on Policy Planning and Evaluation (#H28-Seisaku-Shitei-009) from the Ministry of Health, Labour and Welfare, Japan. Remaining authors received no funding. The authors thank Editage (http://www.editage.jp) for English language editing.
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Endo, A., Shiraishi, A., Fushimi, K. et al. Impact of continuous regional arterial infusion in the treatment of acute necrotizing pancreatitis: analysis of a national administrative database. J Gastroenterol 53, 1098–1106 (2018). https://doi.org/10.1007/s00535-018-1452-4
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DOI: https://doi.org/10.1007/s00535-018-1452-4