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Hyperglycemic Events in Non–Intensive Care Unit Patients Receiving Parenteral Nutrition

Ohio State University Medical Center, Department of Pharmacy and Department of Surgery, Columbus, Ohio.

Correspondence: Melissa Pleva, PharmD, BCPS, BCNSP, University of Michigan Hospitals and Health Centers, Department of Pharmacy Services and College of Pharmacy, UH B2D301 SPC 0008, 1500 E. Medical Center Dr, Ann Arbor, MI 48109-0008; e-mail: mpleva{at}med.umich.edu.

Background: Evidence supports the benefits of tight glycemic control in many patient populations. There is no consensus on appropriate targets for blood glucose (BG) values in patients receiving parenteral nutrition (PN). Characterization of the frequency of BG abnormalities is necessary to identify effective strategies to improve glycemic control in this patient population.

Methods: Data were retrospectively collected over a 2-month period from 50 non–intensive care unit (ICU) patients who received PN. Frequencies of abnormal BG (defined as BG outside the range of 2 criteria: 80-200 mg/dL and 100-150 mg/dL) were determined. An event of hyperglycemia was defined as the 48-hour period following a BG value outside of 80-200 mg/dL. Each event was evaluated for resolution within 48 hours of the triggering BG value.

Results: Hyperglycemia (at least 1 BG value >200 mg/dL) occurred in 22 patients (44%). Of the 1738 BG values measured, 8.7% were >200 mg/dL, resulting in 1.4 events of hyperglycemia per patient. The average blood glucose value for the population was 140 mg/dL. The frequency of hyperglycemia and hypoglycemia increased substantially, with only 1 patient having a PN course with normoglycemia using the 100-150 mg/dL criterion.

Conclusion: The frequency of hyperglycemia in non-ICU PN patients is high according to either evaluation criterion. A method is described for using events to characterize hyperglycemia, which may be more useful than traditional methods in clinical decision making and identification of need for process improvements. These data suggest the need to develop better methods for BG control in non-ICU PN patients.

Key Words: blood glucose • hyperglycemia • hypoglycemia • parenteral nutrition • parenteral nutrition, total

This version was published on October 1, 2009

Nutrition in Clinical Practice, Vol. 24, No. 5, 626-634 (2009)
DOI: 10.1177/0884533609339069


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