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CC BY-NC-ND 4.0 · Endosc Int Open 2021; 09(06): E777-E789
DOI: 10.1055/a-1352-3204
Original article

Trends in hospitalization, mortality, and timing of colonoscopy in patients with acute lower gastrointestinal bleeding

Kalpit Devani
1   Division of Gastroenterology and Liver Disease, Department of Internal Medicine, Prisma Health, University of South Carolina, Greenville, South Carolina, United States
,
Dhruvil Radadiya
2   Department of Internal Medicine, East Tennessee State University, Johnson City, Tennessee, United States
,
Paris Charilaou
3   Division of Gastroenterology & Hepatology, Department of Internal Medicine, Saint Peterʼs University Hospital/Rutgers – Robert Wood Johnson Medical School, New Brunswick, New Jersey, United States
,
Tyler Aasen
4   Division of Gastroenterology & Hepatology, Department of Internal Medicine, East Tennessee State University, Johnson City, Tennessee, United States
,
Chakradhar M. Reddy
4   Division of Gastroenterology & Hepatology, Department of Internal Medicine, East Tennessee State University, Johnson City, Tennessee, United States
,
Mark Young
4   Division of Gastroenterology & Hepatology, Department of Internal Medicine, East Tennessee State University, Johnson City, Tennessee, United States
,
Bhaumik Brahmbhatt
5   Division of Gastroenterology & Hepatology, Department of Internal Medicine, Mayo Clinic, Jacksonville, Florida, United States
,
Don C. Rockey
6   Division of Gastroenterology, Department of Internal Medicine, Medical University of South Carolina, United States
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Abstract

Background and study aims Current guidelines conditionally recommend performing early colonoscopy (EC) (< 24 hours) in patients admitted with acute lower gastrointestinal bleeding (LGIB). It remains unclear whether this practice is implemented widely. Therefore, we used the Nationwide Inpatient Sample to investigate trends for timing of colonoscopy in patients admitted with acute LGIB. We also assessed trend of hospitalization and mortality in patients with LGIB.

Patients and methods Adult patients with LGIB admitted from 2005 to 2014 were examined. ICD-9-CM codes were used to extract LGIB discharges. Trends were assessed using Cochrane-Armitage test. Factors associated with mortality, cost of hospitalization, and length of stay (LOS) were assessed by multivariable mixed-effects and exact-matched logistic, linear regression, and accelerated-failure time models, respectively.

Results A total of 814,647 patients with LGIB were included. The most common etiology of LGIB was diverticular bleeding (49 %) and 45 % of patients underwent EC. Over the study period, there was no change in the trend of colonoscopy timing. Although admission with LGIB increased over the study period, the mortality rate decreased for patients undergoing colonoscopy. Independent predictors of mortality were age, surgery (colostomy/colectomy) during admission, intensive care unit admission, acute kidney injury, and blood transfusion requirement. Timing of colonoscopy was not associated with mortality benefit. However, cost of hospitalization was $ 1,946 lower and LOS was 1.6 days shorter with EC.

Conclusion Trends in colonoscopy timing in management of LGIB have not changed over the years. EC is associated with lower LOS and cost of hospitalization but it does not appear to improve inpatient mortality.

Supplementary material



Publication History

Received: 29 July 2020

Accepted: 09 December 2020

Article published online:
27 May 2021

© 2021. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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