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Related Concept Videos

Blood Pressure Imbalances and Circulatory Shock01:24

Blood Pressure Imbalances and Circulatory Shock

Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
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Cardiac output (CO), the amount of blood the heart pumps per minute, is a parameter in cardiovascular physiology determined by stroke volume and heart rate. Stroke volume, the amount of blood pushed from one of the ventricles per heartbeat, is influenced by preload, afterload, and contractility.
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Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...

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Updated: May 8, 2026

Standardized Hemorrhagic Shock Induction Guided by Cerebral Oximetry and Extended Hemodynamic Monitoring in Pigs
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Published on: May 21, 2019

Cognitive Functioning After Circulatory Shock: A Prospective Observational Study.

Salla Laurila1, Eva Nordenswan2, Henriikka Ollila3

  • 1Department of Intensive Care Medicine, Tampere University Hospital, Wellbeing Services County of Pirkanmaa, and Tampere University, Tampere, Finland.

Acta Anaesthesiologica Scandinavica
|May 7, 2026
PubMed
Summary
This summary is machine-generated.

Intensive care unit (ICU) survivors with circulatory shock experience significant cognitive impairment at discharge, but show notable improvement by 3 months post-ICU. This highlights the need for tailored support for these patients.

Keywords:
Montreal Cognitive Assessmentcognitive impairmentdecision makingintensive care unitrecoveryshock

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Area of Science:

  • Critical Care Medicine
  • Neuroscience
  • Rehabilitation Medicine

Background:

  • Cognitive impairment is common in intensive care unit (ICU) survivors, affecting memory, attention, and executive functions.
  • Circulatory shock is a critical condition that can exacerbate cognitive deficits in ICU patients.

Purpose of the Study:

  • To assess cognitive functioning in patients following circulatory shock immediately after ICU discharge and at a 3-month follow-up.
  • To determine the prevalence and trajectory of cognitive impairment in this patient population.

Main Methods:

  • A sub-study (ASSESS-SHOCK 2) of adult patients with circulatory shock was conducted.
  • Cognitive function was evaluated using the Montreal Cognitive Assessment (MoCA) test within 3 days of ICU discharge and again at 3 months.
  • Cognitive impairment was defined as a MoCA score below 26.

Main Results:

  • At discharge, 78.2% of patients exhibited cognitive impairment (median MoCA score 22).
  • At 3 months, cognitive impairment decreased to 44.4% (median MoCA score 26.5), showing significant improvement (p < 0.001).
  • Cognitive scores at 3 months approached those of healthy controls (33% impairment, median MoCA 27).

Conclusions:

  • A high prevalence of cognitive impairment exists in ICU survivors of circulatory shock upon discharge.
  • Cognitive function significantly improves between ICU discharge and the 3-month follow-up.
  • Findings are crucial for optimizing patient information delivery and shared decision-making strategies for ICU survivors.