For patients diagnosed with mild acute pancreatitis (AP) in the ED, an observation pathway may significantly reduce hospitalization rate and associated costs without compromising patient safety or quality of care, according to investigators.
Over a 2-year period, the observation pathway at Beth Israel Deaconess Medical Center, Boston, reduced hospitalizations by 31.2%, reported lead author Awais Ahmed, MD, of Harvard Medical School, Boston, and colleagues.
“AP carries a significant burden on the health care system, accounting for the third most common reason for gastrointestinal-related admissions in the United States,” the investigators wrote in the Journal of Clinical Gastroenterology. “As such, streamlining care for AP patients to reduce admissions can reduce the associated financial burden.”
The investigators’ efforts to reduce admissions for patients with AP began in 2016, when they first implemented an observation pathway at Beth Israel. This 6-month pilot study demonstrated proof of concept because it reduced admissions by 22.2% and shortened average length of stay without negatively affecting rates of mortality or readmission.
Based on these encouraging results, the hospital implemented the observation pathway as a standard of care. The present study analyzed 2 years of data from patients diagnosed with AP following the end of the pilot study. The primary outcome was hospitalization rate. Secondary outcomes included health care utilization, 30-day mortality rate, 30-day readmission rate, and median length of stay.
Patients with mild AP entered the observation pathway at the discretion of the supervising clinician, as well as based on absence of exclusion criteria, such as end organ damage, chronic pancreatitis, cholangitis, and other considerations.
Over 2 years, 165 patients were diagnosed with AP in the ED, of whom 118 (71.5%) had mild AP. From this latter group, 54 (45.8%) entered the observation pathway, while 64 (54.2%) were admitted as inpatients, primarily (n = 58) because of exclusion criteria. Within the observation group, 45 out of 54 patients (83.3%) successfully completed the pathway and were discharged. Six of these patients were readmitted within 30 days. Among the 9 patients who did not complete the pathway, 6 failed to meet discharge criteria, resulting in admission, whereas 3 patients left the hospital against medical advice.
Combining data from this 2-year period and the pilot study, the hospitalization rate for mild AP was reduced by 31.2%. In the present study, hospitalization was reduced by 27% for patients with AP of any severity. This figure was steady over a 3-year period, at 25.8%.
Median length of stay for patients with mild AP was significantly shorter in the present study’s observation pathway than in a historical cohort (19.9 vs. 72.0 hours); this remained significant when also including patients from the pilot study (21.2 vs. 72.0 hours). Compared with the historic cohort, patients in the observation had significantly fewer radiographic studies, and more patients were discharged in less than 24 hours. Meanwhile, 30-day readmission and mortality rates remained unchanged.
“In summary, our long-term data of a single center emergency department–based observation management pathway for mild AP demonstrates durability over more than 2 years in maintaining its objective of reducing hospitalization,” the investigators concluded. “This is associated with a [shorter] length of stay, and reduced health care resource utilization, suggesting a possible decrease in ﬁnancial cost of managing mild AP, without affecting readmission rates or mortality.”
These findings encourage further research, the investigators suggested, while noting that the observation pathway may not be appropriate for all treatment centers.
“The generalizability of the pathway is limited, given its single center location, and tertiary environment,” the investigators wrote. “Smaller hospitals, lacking multidisciplinary support for complications of AP, may find it challenging to implement such a pathway, and thus triage these patients for inpatient admission at their facility or to nearby tertiary centers.”The investigators reported no conflicts of interest.
SOURCE: Ahmed A et al. J Clin Gastroenterol. 2020 Apr 14. .
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