Related Experiment Video
Updated: Jul 24, 2025
08:35
Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
Published on: May 26, 2022
3.3K
Clinical Outcomes in Hypertensive Emergency: A Systematic Review and Meta-Analysis
Tariq Jamal Siddiqi1, Muhammad Shariq Usman1, Ahmed Mustafa Rashid2
1Department of Medicine University of Mississippi Medical Center Jackson MS USA.
Journal of the American Heart Association
|July 8, 2023
Summary
Hypertensive emergencies in the emergency department often involve brain and heart damage, with ischemic stroke being most common. These emergencies carry significant risks of mortality and hospitalization.
Area of Science:
- Cardiology
- Neurology
- Emergency Medicine
Background:
- Hypertensive emergencies are critical medical conditions requiring prompt attention.
- Understanding the patterns of organ damage and patient outcomes is crucial for effective management.
Approach:
- A systematic review and meta-analysis of 15 studies involving 4370 patients presenting to emergency departments.
- PubMed database was queried for studies published up to November 30, 2021.
Key Points:
- Hypertensive emergencies occurred in 0.5% of all ED visits and 35.9% of patients with hypertensive crisis.
- The most common hypertension-mediated organ damage included ischemic stroke (28.1%), pulmonary edema/acute heart failure (24.1%), and hemorrhagic stroke (14.6%).
- In-hospital mortality for hypertensive emergencies was 9.9%.
Conclusions:
- Hypertension-mediated organ damage in the ED primarily affects the brain and heart.
- Patients with hypertensive emergencies face significant cardiovascular and renal morbidity and mortality.
- These findings highlight the need for vigilant monitoring and management of hypertensive emergencies in the ED setting.
Related Concept Videos
01:30Hypertension III: Clinical Manifestations and Diagnostic Studies
27
Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
27
01:28Hypertension I: Introduction
21
Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
21
01:29Hypertension II: Pathophysiology
20
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,...
20
01:23Hypertension V: Nursing Management
12
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.
12
01:18Hypertension and Regulation of Blood Pressure
2.1K
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...
2.1K
01:30Blood Pressure
1.3K
Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
1.3K