Patients with diabetes are 40% more likely to be readmitted to the hospital

May 01, 2019

WASHINGTON-- Patients with diabetes and low blood glucose have higher rates of death following hospital discharge, according to a study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism.

The cost for hospital readmissions within 30 days of discharge is estimated to be close to $25 billion per year in the U.S. Patients with diabetes are frequently admitted to the hospital. Unfortunately, many of them experience high risk of re-hospitalization or even death after discharge because of factors like hypoglycemia, or low blood glucose.

"In our novel nationwide study, we examined data of almost 1 million hospitalizations at the VA health care system," said the study's first author, Elias Spanakis, M.D., of the Baltimore VA Medical Center and the University of Maryland School of Medicine in Baltimore, Md. "We found that patients with diabetes who are discharged with low or even near normal glucose values during the last day of the hospital stay are at a higher risk of dying or being readmitted to the hospital."

In the nationwide cohort study, researchers examined 843,978 admissions of patients with diabetes at the Veteran Affairs hospitals over a 14-year period to determine the readmission and mortality rates. They found patients with diabetes experienced greater 30-day readmission rates, 30-, 90- and 180-day post-discharge mortality and higher combined 30-day readmission/mortality when they had blood sugar levels below 100 mg/dl.

"Although future studies are needed, physicians should avoid discharging patients with diabetes from the hospital until glucose values above 100 mg/dl are achieved during the last day of the hospitalization," Dr. Spanakis said.

Other authors of the study include: Guillermo E. Umpierrez of the Emory University School of Medicine in Atlanta, Ga.; Tariq Siddiqui, Min Zhan, Soren Snitker, and Jeffrey C. Fink of the University of Maryland School of Medicine; and John D. Sorkin of the Baltimore Veterans Affairs Medical Center GRECC (Geriatric Research, Education, and Clinical Center) in Baltimore, Md.

The study received funding support from the U.S. Department of Veterans Affairs Clinical Sciences Research and Development Service, the Baltimore VA Patient Safety Center of Inquiry, the U.S. Public Health Service, the National Institute of Diabetes and Digestive and Kidney Diseases, the National Institute on Aging, and the Baltimore VA Geriatric Research, Education, and Clinical Center.

The study, "Association of Glucose Concentrations at Hospital Discharge with Readmissions and Mortality: A Nationwide Cohort Study," will be published online, ahead of print.

The Society has embarked on a multi-year quality improvement project, the Hypoglycemia Prevention Initiative, to design and test clinical interventions in primary care settings that will aim to decrease the number of patients at high-risk and the frequency and severity of their episodes.
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Endocrinologists are at the core of solving the most pressing health problems of our time, from diabetes and obesity to infertility, bone health, and hormone-related cancers. The Endocrine Society is the world's oldest and largest organization of scientists devoted to hormone research and physicians who care for people with hormone-related conditions.

The Society has more than 18,000 members, including scientists, physicians, educators, nurses and students in 122 countries. To learn more about the Society and the field of endocrinology, visit our site at http://www.endocrine.org. Follow us on Twitter at @TheEndoSociety and @EndoMedia.

The Endocrine Society

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