CONTEXT: Multifactorial barriers prevent primary care clinicians from helping their adult patients with type 2 diabetes achieve good control of hemoglobin A1c (HbA1c) levels. Patients' depression and low self-efficacy can complicate diabetes management by impairing tasks needed for effective disease self-management.
OBJECTIVES: To evaluate whether nurse practitioners in collaborative practices with primary care clinicians are effective in helping improve control of HbA1c, blood pressure (BP), and low-density lipoprotein cholesterol (LDL-C) in adults with uncontrolled hyperglycemia, and to assess whether nurse practitioner-guided care affects depression and self-efficacy in these patients.
DESIGN: De-identified preintervention and postintervention data were collected from prospective review of medical charts of patients in a managed care organization's primary care clinics.
MAIN OUTCOME MEASURES: Preintervention and postintervention HbA1c values were evaluated as the primary outcome measure. Preintervention and postintervention values for BP, LDL-C, body weight, and depression and self-efficacy scores were secondary outcome measures.
RESULTS: After intervention, 50% of 26 patients achieved HbA1c benchmarks, 95.6% achieved systolic and diastolic BP benchmarks, and 57.8% achieved LDL-C benchmarks. Wilcoxon paired samples tests showed significantly increased self-efficacy (z = -3.42, p < 0.001) from preintervention to postintervention. Depression scores decreased slightly from preintervention (mean = 0.44, standard deviation = 1.34, median < 0.001) to postintervention values (mean = 0.18, standard deviation = 0.73, median < 0.001), but this decrease was not significant.
CONCLUSION: Integrating nurse practitioners into primary care teams to provide innovative methods of support to adults with uncontrolled hyperglycemia improves clinical outcomes and self-efficacy for patients with type 2 diabetes.
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