Journal
AMERICAN JOURNAL OF MEDICINE
Volume 108, Issue 1, Pages 20-27Publisher
EXCERPTA MEDICA INC
DOI: 10.1016/S0002-9343(99)00298-3
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PURPOSE: We sought to evaluate the effect of automated telephone assessment and self-care education calls with nurse follow-up on the management of diabetes. SUBJECTS AND METHODS: We enrolled 280 English- or Spanish-speaking adults with diabetes who were using hypoglycemic medications and who were treated in a county health care system. Patients were randomly assigned to usual care or to receive an intervention that consisted of usual care plus biweekly automated assessment and self-care education calls with telephone follow-up by a nurse educator. Outcomes measured at 12 months included survey-reported self-care, perceived glycemic control, and symptoms, as well as glycosylated hemoglobin (Hb A(1c)) and serum glucose levels. RESULTS: We collected follow-up data for 89% of enrollees (248 patients). Compared with usual care patients, intervention patients reported more frequent glucose monitoring, foot inspection, and weight monitoring, and fewer problems with medication adherence (all P less than or equal to 0.03). Follow-up Hb A(1c) levels were 0.3% lower in the intervention group (P = 0.1), and about twice as many intervention patients had Hb A(1c) levels within the normal range (P = 0.04). Serum glucose levels were 41 mg/dL lower among intervention patients than usual care patients (P = 0.002). Intervention patients also reported better glycemic control (P = 0.005) and fewer diabetic symptoms (P < 0.0001), including fewer symptoms of hyperglycemia and hypoglycemia. CONCLUSIONS: Automated calls with telephone nurse follow-up may be an effective strategy for improving self-care behavior and glycemic control, and for decreasing symptoms among vulnerable patients with diabetes. Am J Med. 2000;108:20-27. (C)2000 by Excerpta Medica, Inc.
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