The effects of hypertension and body mass index on cognition in schizophrenia

Joseph I Friedman1, Sylvan Wallenstein, Erin Moshier

  • 1Department of Psychiatry, Mount Sinai School of Medicine, Box 1230, One Gustave L. Levy Place, New York, NY 10029, USA. jfriedman1@rcn.com

Insights

Vascular risk factors like hypertension negatively impact cognition in schizophrenia patients. Treating these factors may improve cognitive function in this population.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Cardiology

Background:

  • Schizophrenia patients have a high prevalence of cardiovascular risk factors.
  • These risk factors are linked to cognitive decline and dementia.
  • The impact of vascular risk factors on schizophrenia cognition is understudied.

Purpose of the Study:

  • To investigate if vascular risk factors affect cognitive impairments in schizophrenia.
  • To compare the effects of vascular risk factors on cognition in schizophrenia versus non-psychiatric subjects.

Main Methods:

  • Compared 100 schizophrenia patients and 53 comparison subjects.
  • Assessed cognitive performance using 2x2 matrices based on vascular risk factors and group.

Main Results:

  • Hypertension significantly impaired immediate, delayed, and recognition memory in both groups.
  • Schizophrenia patients with hypertension showed worse recognition memory than controls.
  • Higher body mass index was linked to poorer delayed memory, though not statistically significant.

Conclusions:

  • Vascular risk factors significantly impact cognitive function in schizophrenia.
  • Targeting and treating vascular risk factors may enhance cognitive outcomes for schizophrenia patients.
  • Addressing undertreated vascular risk factors is crucial for improving schizophrenia patient cognition.
Abstract

Related Concept Videos

Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin studies.
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
Negative and Cognitive Symptoms of Schizophrenia01:30

Negative and Cognitive Symptoms of Schizophrenia

Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
Hypertension V: Nursing Management01:23

Hypertension V: Nursing Management

The nursing management of hypertension involves accurately assessing symptoms, making a comprehensive nursing diagnosis, collaborating with patients to set goals, and implementing targeted interventions to mitigate the condition's impact and improve patient well-being.Comprehensive AssessmentThe initial step in nursing care for hypertension involves a thorough patient assessment. It includes evaluating symptoms such as headaches, dizziness, blurred vision, and previous hypertension episodes.