Postoperative Length of Stay in Patients With Stress Hyperglycemia Compared to Patients With Diabetic Hyperglycemia: A Retrospective Cohort Study

Jason Shiffermiller, Matthew Anderson, Rachel E Thompson

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Postoperative hospital length of stay (LOS) is longer in patients with diabetes than in patients without diabetes. Stress hyperglycemia (SH) in patients without a history of diabetes has been associated with adverse postoperative outcomes. The effect of SH on postoperative LOS is uncertain. The aim of this study is to compare postoperative LOS in patients with SH to patients with diabetic hyperglycemia (DH) following noncardiac surgery. Methods: We carried out a retrospective cohort study of inpatients with at least two glucose measurements ≥180 mg/dL. Two groups were compared. Patients with SH had no preoperative history of diabetes. Patients were considered to have DH if they had an established preoperative diagnosis of diabetes mellitus or a preoperative hemoglobin A1c (HbA1c) ≥6.5%. The primary outcome measure was hospital LOS. Results: We included 270 patients with postoperative hyperglycemia—82 in the SH group and 188 in the DH group. In a linear regression analysis, hospital LOS was longer in the SH group than in the DH group (10.4 vs 7.3 days; P =.03). Within the SH group, we found no association between LOS and prompt treatment of hyperglycemia within 12 hours (P =.43), insulin dose per day (P =.89), or overall mean glucose (P =.13). Conclusions: Postoperative LOS was even longer in patients with SH than in patients with DH, representing a potential target for quality improvement efforts. We did not, however, find evidence that improved treatment of SH was associated with reduction in LOS.

Original languageEnglish (US)
JournalJournal of Diabetes Science and Technology
DOIs
StateAccepted/In press - 2024

Keywords

  • glycemic control
  • hospital length of stay
  • postoperative evaluation and care
  • stress hyperglycemia

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Bioengineering
  • Biomedical Engineering

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