Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

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...
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Association between acute-phase glycaemic metrics and stroke-associated pneumonia in patients with acute ischaemic stroke.

BMJ neurology open·2026
Same author

Detection of atrial fibrillation via adhesive single-lead ECG vs. Holter monitoring in embolic stroke of undetermined source: the AVANT-GARDE trial.

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association·2026
Same author

Cd99l2 regulates excitatory synapse development and restrains immediate-early gene activation.

Cell reports·2026
Same author

Does lens opacity matter? The effect of cataract on deep learning based cardiovascular disease risk scores from fundus photos.

Asia-Pacific journal of ophthalmology (Philadelphia, Pa.)·2026
Same author

SVO70 (Optimal Target Low-Density Lipoprotein Cholesterol Level for Small Vessel Occlusion Stroke): Rationale and Study Design.

Journal of the American Heart Association·2026
Same author

Region- and cell type-specific changes in gene expression in the cerebellum after classical fear conditioning.

Communications biology·2026

Related Experiment Video

Updated: May 19, 2026

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
08:25

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling

Published on: April 7, 2015

Association between red cell index and stroke-associated pneumonia.

Ki-Woong Nam1,2, Hyung-Min Kwon1,2, Yong-Seok Lee3,4

  • 1Department of Neurology, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, South Korea.

BMC Neurology
|May 18, 2026
PubMed
Summary

The red cell index (RCI) can help predict stroke-associated pneumonia (SAP) in acute ischemic stroke (AIS) patients. Higher RCI levels indicate a greater risk of SAP and worse patient outcomes.

Keywords:
Blood cellInfectionIschemic strokePneumoniaPrognosis

Related Experiment Videos

Last Updated: May 19, 2026

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
08:25

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling

Published on: April 7, 2015

Area of Science:

  • Neurology
  • Infectious Diseases
  • Hematology

Background:

  • Stroke-associated pneumonia (SAP) is a frequent complication following acute ischemic stroke (AIS).
  • Current predictive models for SAP lack objectivity and ease of application.
  • There is a need for a more accessible marker to identify patients at risk of SAP.

Purpose of the Study:

  • To investigate the association between the red cell index (RCI) and the occurrence of SAP in AIS patients.
  • To determine if RCI can serve as an independent predictor of SAP.
  • To explore the relationship between RCI and patient outcomes in SAP.

Main Methods:

  • Analysis of 500 consecutive AIS patients.
  • SAP diagnosis based on modified Centers for Disease Control and Prevention criteria.
  • Calculation of RCI using red blood cell count, hemoglobin, lymphocyte count, and platelet count.

Main Results:

  • 12.4% of patients developed SAP.
  • RCI was a significant independent predictor of SAP (adjusted OR = 1.46; 95% CI, 1.08-1.97).
  • Higher RCI values correlated with increased ICU admission and intubation rates in SAP patients.

Conclusions:

  • Elevated RCI is associated with an increased risk of SAP in AIS patients.
  • RCI serves as a valuable predictive marker for SAP.
  • Higher RCI levels are linked to poorer clinical outcomes in patients with SAP.