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[Hyperglycemia at admission and outcome in elderly patients with acute ST segment elevation myocardial infarction

Hong-jie Chi1, Da-peng Zhang, Xin-chun Yang

  • 1Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China.

Zhonghua Xin Xue Guan Bing Za Zhi
|December 8, 2009
PubMed

Insights

Hyperglycemia in elderly patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI) is linked to worse outcomes. Higher blood glucose levels correlate with poorer tissue perfusion, cardiac function, and increased mortality rates.

Area of Science:

  • Cardiology
  • Endocrinology
  • Geriatrics

Context:

  • Acute ST-segment elevation myocardial infarction (STEMI) is a critical cardiovascular event.
  • Primary percutaneous coronary intervention (PCI) is a standard treatment for STEMI.
  • Elderly patients represent a vulnerable population with unique physiological responses to cardiac events and interventions.

Purpose:

  • To investigate the association between admission hyperglycemia and clinical outcomes in elderly patients with STEMI who underwent primary PCI.
  • To determine if elevated blood glucose levels impact tissue perfusion, cardiac function, and mortality post-PCI.

Summary:

  • This retrospective study analyzed 284 elderly patients (≥60 years) with STEMI treated with primary PCI, categorizing them by admission blood glucose levels.
  • Results indicated that higher glucose levels (> or = 11.0 mmol/L) were associated with a higher proportion of females, longer hospital stays, increased history of hypertension, poorer TIMI myocardial perfusion grade (TMPG), higher PCI complication rates, increased Intra-aortic balloon pump (IABP) use, and elevated Killip class.
  • Most significantly, the highest glucose group exhibited substantially higher in-hospital and one-year mortality rates compared to the normoglycemic group.

Impact:

  • Admission hyperglycemia is a significant predictor of adverse outcomes in elderly STEMI patients treated with primary PCI.
  • Findings highlight the importance of glycemic control in this high-risk patient population.
  • The study suggests that hyperglycemia adversely affects myocardial reperfusion and cardiac function, contributing to increased morbidity and mortality.
Abstract

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