Rat Cardiovascular Model
Rat Cardiovascular Model - Related Videos
09:22
In Vivo Telemetry to Record Long-Term Cardiovascular Parameters, Temperature, and Activity in Spinal Cord Injury Rat Models
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2026
This article presents a step-by-step protocol for the placement of an in vivo telemetric implant in the descending aorta of rats, allowing continuous and long-term monitoring of cardiovascular parameters, core body temperature, and animal activity before and after severe high-thoracic spinal cord injury.
08:42
A Rat Carotid Balloon Injury Model to Test Anti-vascular Remodeling Therapeutics
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Cited by 8 •
2016
The rat carotid balloon injury model described below allows researchers to evaluate drugs or therapeutics that negate injury-induced arterial hyperplasia. Detailed pre-surgical preparation, surgical procedure, and post-surgical cares of the animal are described.
08:32
Orthotopic Aortic Transplantation: A Rat Model to Study the Development of Chronic Vasculopathy
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Cited by 7 •
2010
This video demonstrates the orthotopic aortic transplant model as a simple model to study the development of transplant vasculopathy (TVP) in rats.
09:39
Creation of Reversible Cholestatic Rat Model
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2011
Cholestasis is a clinical condition commonly encountered by both surgeons and gastroenterologists. Creation of a reversible cholestatic rat model can be challenging in view of the smaller size and unique hepatopancreatobiliary anatomy in rats. This video article demonstrates the creation of a reversible cholestatic model.
02:36
Generating a Glioblastoma Rat Model
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2025
Source: Bolcaen, J., et. al., PET and MRI Guided Irradiation of a Glioblastoma Rat Model Using a Micro-irradiator. J. Vis. Exp. (2017)This video demonstrates the procedure for establishing a glioblastoma rat model by stereotactically injecting brain tumor-causing glioblastoma cells into the prefrontal cortex.
FAQs
Blood pressure and heart rate provide core indicators of cardiovascular status, while cardiac function adds information about how effectively the heart performs. Vascular reactivity, meaning the response of blood vessels to controlled conditions, helps characterize vessel behavior. Evaluating these measurements together can reveal coordinated changes across cardiac and vascular systems rather than relying on a single outcome.
Researchers compare cardiovascular responses under controlled physiological or disease-related conditions. This design makes it possible to associate changes in blood pressure, heart rate, cardiac function, or vascular reactivity with specific disorder states. Studying these responses in models of hypertension, heart failure, or ischemia helps investigators examine how cardiovascular dysfunction develops and how it affects measurable system-level outcomes.
Each disorder represents a different cardiovascular problem and can produce distinct changes in the measured outcomes. Hypertension emphasizes elevated pressure, whereas heart failure and ischemia provide disease-related settings for examining cardiac function and broader cardiovascular responses. Separating these conditions allows investigators to study disorder-specific mechanisms and evaluate whether an intervention affects a particular pathological pattern.
A study generally establishes a controlled physiological or disease-related condition, then measures selected cardiovascular variables such as blood pressure, heart rate, cardiac function, and vascular reactivity. Investigators interpret the resulting responses in relation to the experimental condition. This workflow connects a defined model state with quantifiable outcomes that can support mechanistic analysis or intervention testing.
Researchers use this approach when they need to examine how a potential drug or other intervention changes cardiovascular responses in a controlled setting. Measurements such as blood pressure, heart rate, cardiac function, and vascular reactivity can show whether treatment-related effects occur. Testing within disease-related models also provides information about responses associated with hypertension, heart failure, or ischemia.
Its value in preclinical research comes from the combination of accessible anatomy, established laboratory protocols, and measurable physiological outcomes. These features allow investigators to examine cardiovascular disorders and test potential interventions before considering their relevance to human medicine. Findings can provide insight into disease mechanisms and treatment responses while preserving controlled experimental conditions.