Related Experiment Video
Updated: Aug 8, 2026

A Modified Two Kidney One Clip Mouse Model of Renin Regulation in Renal Artery Stenosis
Published on: October 26, 2020
Target organ damage in hypertension: pathophysiology and implications for drug therapy
Sunil K Nadar1, Muzahir H Tayebjee, Franz Messerli
1Haemostasis, Thrombosis, and Vascular Biology Unit, University Department of Medicine, City Hospital, Birmingham B18 7QH, UK.
Insights
Hypertension causes target organ damage (TOD) through processes like endothelial activation and RAAS changes. Understanding these mechanisms is key to preventing cardiovascular and cerebrovascular events.
Area of Science:
- Cardiovascular Medicine
- Nephrology
- Neurology
Background:
- Hypertension is a major risk factor for cardiovascular and cerebrovascular events.
- It also leads to target organ damage (TOD), including left ventricular hypertrophy, renal failure, and retinopathy.
Purpose of the Study:
- To review recent advances in the pathophysiology of hypertensive target organ damage.
- To examine the mechanisms leading to TOD in hypertension.
Main Methods:
- Literature review of recent research on hypertensive target organ damage.
- Analysis of pathogenic processes involved in TOD.
Main Results:
- Hypertensive TOD involves complex processes including endothelial activation, platelet activation, and renin-angiotensin-aldosterone system (RAAS) alterations.
- These interconnected mechanisms contribute to the development of TOD.
Conclusions:
- A deeper understanding of hypertensive TOD pathogenesis is crucial.
- This knowledge can inform the development of improved treatment strategies to prevent hypertension-related complications.
Abstract:
Hypertension is a well known risk factor for cardiovascular and cerebrovascular events such as heart attacks and strokes. In addition, it is associated with earlier changes in organ systems in the body, such as left ventricular hypertrophy (LVH), proteinuria and renal failure, retinopathy and vascular dementia which are grouped under the term "target organ damage" (TOD). There are many processes involved in the pathogenesis of TOD and these include endothelial activation, platelet activation, increased thrombogenesis, changes in the renin aldosterone angiotensin system (RAAS), and collagen turnover. All these changes work hand in hand and lead to the production of hypertensive TOD. In this review, we aim to provide an overview of the recent advances in pathophysiology of hypertensive TOD, and examine how these changes lead to the production of TOD. A better understanding of these pathogenic processes would help us better devise treatment strategies in preventing the dreaded complications associated with hypertension.
Related Concept Videos
Hypertension II: Pathophysiology
Hypertension and Regulation of Blood Pressure
Hypertension III: Clinical Manifestations and Diagnostic Studies
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors
Hypertension I: Introduction
