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Detecting Language Associated With Home Healthcare Patient's Risk for Hospitalization and Emergency Department Visit
Journal article   Open access   Peer reviewed

Detecting Language Associated With Home Healthcare Patient's Risk for Hospitalization and Emergency Department Visit

Jiyoun Song, Marietta Ojo, Kathryn H. Bowles, Margaret V. McDonald, Kenrick Cato, Sarah Collins Rossetti, Victoria Adams, Sena Chae, Mollie Hobensack, Erin Kennedy, …
Nursing research (New York), Vol.71(4), pp.285-294
07/01/2022
DOI: 10.1097/NNR.0000000000000586
PMCID: PMC9246992
PMID: 35171126
url
https://www.ncbi.nlm.nih.gov/pmc/articles/9246992View
Open Access

Abstract

Background About one in five patients receiving home healthcare (HHC) services are hospitalized or visit an emergency department (ED) during a home care episode. Early identification of at-risk patients can prevent these negative outcomes. However, risk indicators, including language in clinical notes that indicate a concern about a patient, are often hidden in narrative documentation throughout their HHC episode. Objective The aim of the study was to develop an automated natural language processing (NLP) algorithm to identify concerning language indicative of HHC patients' risk of hospitalizations or ED visits. Methods This study used the Omaha System-a standardized nursing terminology that describes problems/signs/symptoms that can occur in the community setting. First, five HHC experts iteratively reviewed the Omaha System and identified concerning concepts indicative of HHC patients' risk of hospitalizations or ED visits. Next, we developed and tested an NLP algorithm to identify these concerning concepts in HHC clinical notes automatically. The resulting NLP algorithm was applied on a large subset of narrative notes (2.3 million notes) documented for 66,317 unique patients (n = 87,966 HHC episodes) admitted to one large HHC agency in the Northeast United States between 2015 and 2017. Results A total of 160 Omaha System signs/symptoms were identified as concerning concepts for hospitalizations or ED visits in HHC. These signs/symptoms belong to 31 of the 42 available Omaha System problems. Overall, the NLP algorithm showed good performance in identifying concerning concepts in clinical notes. More than 18% of clinical notes were detected as having at least one concerning concept, and more than 90% of HHC episodes included at least one Omaha System problem. The most frequently documented concerning concepts were pain, followed by issues related to neuromusculoskeletal function, circulation, mental health, and communicable/infectious conditions. Conclusion Our findings suggest that concerning problems or symptoms that could increase the risk of hospitalization or ED visit were frequently documented in narrative clinical notes. NLP can automatically extract information from narrative clinical notes to improve our understanding of care needs in HHC. Next steps are to evaluate which concerning concepts identified in clinical notes predict hospitalization or ED visit.
 Nursing Life Sciences & Biomedicine Science & Technology

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