Prognostic impact of fasting plasma glucose on mortality and re-hospitalization in patients with acute heart failure

Yu Yang Chen, Yuan Chen, Shu Min Liang, Zi Zhuo Su, Xiao Rong Shu, Hai Feng Zhang, Siu Hin Wan, Jing Feng Wang, Shuang Lun Xie

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Background: The impact of fasting plasma glucose (FPG) on survival outcomes in patients with acute heart failure (HF) is unclear, and the relationship between intensity of glycemic control of FPG in diabetes mellitus (DM) patients and HF prognosis remains uncertain. This retrospective study aimed to evaluate the prognostic impact of FPG in patients with acute HF. Methods: A total of 624 patients hospitalized with acute HF from October 2000 to April 2014 were enrolled in this study. All patients were stratified by three groups according to their admission FPG levels (i.e., DM, impaired fasting glucose [IFG], and non-DM). All-cause and cardiovascular mortality was the primary end point, and HF re-hospitalization was the secondary end point during follow-up period. Results: A total of 587 patients were included in final analysis. The all-cause mortality rates of patients with DM, IFG, and non-DM were 55.5%, 40.3%, and 39.2%, with significant difference (P = 0.001). Moreover, compared with those with IFG (34.3%) and non-DM (32.6%), patients with DM had significantly higher rate of cardiovascular mortality (45.1%). Multiple Cox regression analysis showed that DM as well as IFG was related to all-cause mortality (DM: Hazard ratio [HR] = 1.936, P < 0.001; IFG: HR = 1.672, P = 0.019) and cardiovascular mortality (DM: HR = 1.739, P < 0.001; IFG: HR = 1.817, P = 0.013). However, they were both unrelated to HF re-hospitalization. DM patients with strictly controlled blood glucose (FPG <3.9 mmol/L) had higher all-cause mortality than patients with non-DM, IFG, and DM patients with moderately controlled glucose (3.9 mmol/L≤ FPG <7.0 mmol/L). Likewise, both the primary end point and secondary end point were found to be worse in DM patients with poorly controlled blood glucose (FPG ≥7.0 mmol/L). Conclusions: IFG and DM were associated with higher all-cause mortality and cardiovascular mortality in patients with acute HF. The association between mortality and admission FPG in DM patients with acute HF appeared U-shaped.

Original languageEnglish (US)
Pages (from-to)2032-2040
Number of pages9
JournalChinese medical journal
Volume131
Issue number17
DOIs
StatePublished - Sep 5 2018
Externally publishedYes

Keywords

  • Diabetes Mellitus
  • Heart Failure
  • Hyperglycemia
  • Prognosis

ASJC Scopus subject areas

  • Medicine(all)

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