Related Experiment Video
Updated: Jul 6, 2025
07:18
Author Spotlight: A Unique Mouse Model of Asphyxia-Induced Cardiac Arrest
Published on: April 14, 2023
1.8K
Brain Health After COVID-19, Pneumonia, Myocardial Infarction, or Critical Illness
Costanza Peinkhofer1, Pardis Zarifkar1, Rune Haubo B Christensen2
1Department of Neurology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.
JAMA Network Open
|December 28, 2023
Summary
Brain health can be affected after hospitalization for COVID-19, but long-term cognitive and neurological complications are comparable to other severe illnesses. This suggests overall illness severity, not just COVID-19, impacts brain health post-hospitalization.
Area of Science:
- Neurology
- Infectious Diseases
- Cognitive Science
Background:
- Brain health concerns are prevalent following COVID-19 hospitalization.
- Long-term prospective studies with matched controls and in-person assessments are limited.
- Understanding post-COVID-19 neurological and psychiatric outcomes compared to other conditions is crucial.
Purpose of the Study:
- To compare long-term cognitive, psychiatric, and neurological complications in COVID-19 patients versus those hospitalized for other severe medical conditions.
- To assess outcomes against healthy control groups.
- To provide perspective on post-COVID-19 brain health concerns.
Main Methods:
- Prospective cohort study at two Danish academic hospitals.
- Included COVID-19 patients, hospitalized controls (pneumonia, myocardial infarction, non-COVID-19 ICU), and healthy controls.
- 18-month follow-up with cognitive (SCIP, MoCA), psychiatric, and neurological assessments.
Main Results:
- COVID-19 patients showed worse cognitive status than healthy controls but not hospitalized controls.
- Except for executive dysfunction, COVID-19 patients' brain health was not more impaired than hospitalized controls.
- Results were consistent across sensitivity analyses.
Conclusions:
- Post-COVID-19 brain health is impaired but comparable to other severe illnesses.
- Long-term brain health impacts may be linked to overall illness severity and hospitalization, not specific to COVID-19.
- Findings help contextualize concerns about brain health after COVID-19.
Related Concept Videos
01:30Pneumonia I: Introduction
239
Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
239
01:27Psychoneuroimmunology: Cardiovascular Disease
31
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
A key area of focus in PNI is the relationship between stress and coronary...
31
01:29Pneumonia II: Pathophysiology
279
The pathophysiology of pneumonia involves the following steps:
279
01:30Pneumonia III: Complications and Assessment
231
Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
231
01:30Pneumonia V: Nursing management and Prevention
2.1K
Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
2.1K
01:28Pneumonia IV: Management
331
The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
331