Appl Clin Inform 2015; 06(03): 548-564
DOI: 10.4338/ACI-2015-02-RA-0021
Research Article
Schattauer GmbH

Transition Networks in a Cohort of Patients with Congestive Heart Failure

A novel application of informatics methods to inform care coordination
J. A. Merrill
1   Columbia University Medical Center, New York, NY, United States
,
B. M. Sheehan
2   Division of Health and Life Sciences, Intel Corporation, Santa Clara, CA, United States
,
K. M. Carley
3   Institute of Software Research, Carnegie Mellon University, Pittsburgh, PN, United States
,
P. D. Stetson
4   Memorial Sloan Kettering Cancer Center, New York, NY, United States
› Author Affiliations
Further Information

Correspondence to:

Jacqueline A Merrill, PhD, MPH, RN
Associate Professor of Nursing in Biomedical Informatics
Columbia University Medical Center
617 West 168th Street, Georgian 226
New York, New York 10034
Phone: 212 305 3194   

Publication History

received: 27 February 2015

accepted in revised form: 10 July 2015

Publication Date:
19 December 2017 (online)

 

Summary

Background: Unnecessary hospital readmissions are one source of escalating costs that may be reduced through improved care coordination, but how best to design and evaluate coordination programs is poorly understood. Measuring patient flow between service visits could support decisions for coordinating care, particularly for conditions such as congestive heart failure (CHF) which have high morbidity, costs, and hospital readmission rates.

Objective: To determine the feasibility of using network analysis to explore patterns of service delivery for patients with CHF in the context of readmissions.

Methods: A retrospective cohort study used de-identified records for patients 18 years with an ICD-9 diagnosis code 428.0–428.9, and service visits between July 2011 and June 2012. Patients were stratified by admission outcome. Traditional and novel network analysis techniques were applied to characterize care patterns.

Results: Patients transitioned between services in different order and frequency depending on admission status. Patient-to-service CoUsage networks were diffuse suggesting unstructured flow of patients with no obvious coordination hubs. In service-to-service Transition networks a specialty heart failure service was on the care path to the most other services for never admitted patients, evidence of how specialist care may prevent hospital admissions for some patients. For patients admitted once, transitions expanded for a clinic-based internal medicine service which clinical experts identified as a Patient Centered Medical Home implemented in the first month for which we obtained data.

Conclusions: We detected valid patterns consistent with a targeted care initiative, which experts could understand and explain, suggesting the method has utility for understanding coordination. The analysis revealed strong but complex patterns that could not be demonstrated using traditional linear methods alone. Network analysis supports measurement of real world health care service delivery, shows how transitions vary between services based on outcome, and with further development has potential to inform coordination strategies.

Citation: Merrill JA, Sheehan BM, Carley KM, Stetson PD. Transition networks in a cohort of patients with congestive heart failure: a novel application of informatics methods to inform care coordination. Appl Clin Inform 2015; 6: 548–564

http://dx.doi.org/10.4338/ACI-2015-02-RA-0021


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Conflict of Interest

At the time of the study PDS was CIO/CMIO at Columbia Doctors Faculty Practice and BS was Director of Quality Informatics. The other authors declare no conflicts of interest.


Correspondence to:

Jacqueline A Merrill, PhD, MPH, RN
Associate Professor of Nursing in Biomedical Informatics
Columbia University Medical Center
617 West 168th Street, Georgian 226
New York, New York 10034
Phone: 212 305 3194