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Related Concept Videos

Hyperglycemia01:29

Hyperglycemia

25
Hyperglycemia is an abnormally high blood glucose level. It is diagnosed by fasting glucose ≥126 mg/dL, 2-hour oral glucose tolerance test (or OGTT) ≥200 mg/dL, random glucose ≥200 mg/dL with symptoms, or HbA1c ≥6.5%. However, HbA1c results may be unreliable in certain conditions, such as anemia or hemoglobinopathies, and the diagnosis should be confirmed unless classic symptoms are present. Postprandial hyperglycemia is typically considered significant when glucose...
25
Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

54
An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
54
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

44
Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
44
Hypoglycemia01:26

Hypoglycemia

30
Hypoglycemia is a blood glucose level below 70 mg/dL. It commonly occurs in individuals using insulin or insulin-secreting drugs, but may also arise in non-diabetic conditions. People with type 1 diabetes are at the highest risk because they depend on exogenous insulin. People with type 2 diabetes are also at risk, especially when treated with insulin or medications such as sulfonylureas, which increase insulin release regardless of blood glucose levels. It develops when insulin levels exceed...
30
Complications of Diabetes Mellitus01:22

Complications of Diabetes Mellitus

35
Diabetes mellitus is a chronic metabolic disorder characterized by persistent hyperglycemia due to insulin deficiency, resistance, or both. Prolonged hyperglycemia disrupts metabolic homeostasis and leads to acute and chronic complications.Acute ComplicationsAcute complications result from sudden metabolic imbalance.Diabetic ketoacidosis (DKA) mainly appears in type 1 diabetes but may also develop in type 2 diabetes, particularly under extreme stress. It arises from severe insulin deficiency,...
35
Stroke: Introduction and Types01:29

Stroke: Introduction and Types

55
A stroke is an acute neurological event caused by the sudden disruption of cerebral blood flow, leading to rapid loss of neuronal function. Neurons depend on continuous oxygen and glucose supply, so even brief interruptions can cause irreversible injury within minutes. Strokes are classified into ischemic and hemorrhagic types.Ischemic StrokeIschemic strokes are most common and occur due to arterial occlusion, depriving brain tissue of oxygen and nutrients. This leads to energy failure, ionic...
55

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Related Experiment Video

Updated: May 2, 2026

A Mouse Model of Hemorrhagic Transformation Induced by Acute Hyperglycemia Combined with Transient Focal Ischemia
09:35

A Mouse Model of Hemorrhagic Transformation Induced by Acute Hyperglycemia Combined with Transient Focal Ischemia

Published on: November 15, 2024

957

Acute ischemic stroke and hyperglycemia.

Margaret E Clark1, Jessica E Payton, Laura I Pittiglio

  • 1Oakland University, Troy (Ms Clark); Oakland University, White Lake (Ms Payton); and Oakland University, Rochester, Michigan (Dr Pittiglio).

Critical Care Nursing Quarterly
|March 6, 2014
PubMed
Summary
This summary is machine-generated.

Hyperglycemia within 48 hours after acute ischemic stroke negatively impacts patient outcomes. Controlling blood glucose levels is crucial for improving recovery and reducing complications.

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Area of Science:

  • Neurology
  • Endocrinology
  • Critical Care Medicine

Background:

  • Hyperglycemia, or high blood sugar, is a common complication following acute ischemic stroke.
  • Elevated glucose levels in the initial 48 hours post-stroke are associated with poorer patient outcomes, including increased morbidity and mortality.

Purpose of the Study:

  • To review the scientific literature on the effects of hyperglycemia in the acute phase of ischemic stroke.
  • To emphasize the importance of prompt and efficient glucose control in stroke patients.
  • To highlight the critical role of nursing staff in managing hyperglycemia post-stroke.

Main Methods:

  • Systematic review of existing studies and literature reviews.
  • Analysis of research data on hyperglycemia and stroke outcomes.

Main Results:

  • Evidence indicates that hyperglycemia detrimentally affects stroke outcomes.
  • Controlling blood glucose levels in the acute phase (first 48 hours) is associated with improved clinical results.
  • Further research is needed to fully elucidate optimal glucose management strategies.

Conclusions:

  • Effective glucose management is vital for enhancing patient recovery after acute ischemic stroke.
  • Nurses play an essential role in the immediate and efficient control of hyperglycemia in the critical post-stroke period.