Journal article
Validation of the Use of Electronic Medical Records for Identification of Post-gastric Bypass Hypoglycemia Cases
Obesity surgery, v 29(7), pp 2126-2131
01 Jul 2019
PMID: 30805857
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Objective
We sought to validate an algorithm designed to identify patients with post-gastric bypass hypoglycemia (PGBH) using clinician chart review.
Methods
We conducted a chart review study of non-diabetic patients who underwent Roux-en-Y gastric bypass (RYGB) at our institution from 2004 to 2013. The electronic medical record (EMR) algorithm was based on any post-operative glucose <60 mg/dl, diagnosis of hypoglycemia, or medication use for treatment of PGBH and identified 158 charts as PGBH and 1048 charts without PGBH. Two clinicians independently reviewed a random selection of 80 cases and 80 control charts and determined the presence or absence of PGBH by searching the chart using keywords and reviewing laboratory results, medications, and clinic notes.
Results
Of the 160 charts reviewed, the EMR algorithm agreed with the chart review for 130 (accuracy = 80%, 95% CI = 75–87%) with sensitivity of 89% (95% CI = 83–96%) and specificity of 86% (95% CI = 78–93%). We improved the algorithm’s accuracy to 90% by limiting the search to data obtained 3 months or more following RYGB.
Conclusion
The EMR algorithm has high sensitivity, specificity, and accuracy to identify post-gastric bypass hypoglycemia within our patient cohort. The use EMR-based algorithms may be a useful tool for future research to improve our understanding of epidemiology and risk factors for post-bariatric surgery hypoglycemia.
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Details
- Title
- Validation of the Use of Electronic Medical Records for Identification of Post-gastric Bypass Hypoglycemia Cases
- Creators
- Clare J. Lee - Johns Hopkins UniversityG. Craig Wood - Geisinger Obesity Research Institute, Geisinger ClinicNicole Bressler - Geisinger Obesity Research Institute, Geisinger ClinicTombra Govina - Geisinger Obesity Research Institute, Geisinger ClinicMariana Lazo - Johns Hopkins UniversityTodd T. Brown - Johns Hopkins UniversityJeanne M. Clark - Johns Hopkins MedicineChristopher Still - Geisinger Obesity Research Institute, Geisinger ClinicPeter Benotti - Geisinger Obesity Research Institute, Geisinger Clinic
- Publication Details
- Obesity surgery, v 29(7), pp 2126-2131
- Publisher
- Springer US
- Number of pages
- 6
- Grant note
- K23DK107921; P30 DK072488 / National Institute of Diabetes and Digestive and Kidney Diseases (http://dx.doi.org/10.13039/100000062)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Urban Health Collaborative; Community Health and Prevention
- Web of Science ID
- WOS:000469767700016
- Scopus ID
- 2-s2.0-85062059201
- Other Identifier
- 991022171248504721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Surgery