Related Experiment Video

Updated: Jul 13, 2026

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension
05:57

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension

Published on: May 17, 2024

Pheochromocytoma underlying hypertension, stroke, and dilated cardiomyopathy

Pi Chi Lin1, Jen Te Hsu, Chang Min Chung

  • 1Division of Cardiology, Chia-yi Chang Gung Memorial Hospital, Pu-TZ City, Chai Yi Hsien 613, Taiwan, Republic of China.

Texas Heart Institute Journal
|July 12, 2007
PubMed

Insights

Pheochromocytoma, a rare adrenal tumor, can cause severe hypertension, dilated cardiomyopathy, and cerebrovascular events. Surgical removal of this tumor effectively treated the patient's symptoms and improved heart function.

Area of Science:

  • Cardiology
  • Endocrinology
  • Neurology

Background:

  • Hypertension is a common condition, but intractable cases warrant further investigation.
  • Dilated cardiomyopathy and cerebrovascular events can have various underlying causes.
  • Pheochromocytoma is a rare neuroendocrine tumor of the adrenal medulla.

Observation:

  • A 65-year-old man with a history of hypertension presented with symptoms including dilated cardiomyopathy, a transient cerebrovascular event, and intractable hypertension.
  • Diagnostic workup, including echocardiography and CT scan, was initiated due to severe sweating and hypertension.
  • Coronary angiography showed no abnormalities, prompting further investigation into the cause of the patient's complex symptoms.

Findings:

  • Computed tomography revealed a left adrenal pheochromocytoma.
  • Surgical resection of the pheochromocytoma led to rapid resolution of hypertension.
  • Cardiac function significantly improved four months post-surgery, with resolved 4-chamber dilatation and improved contractility.

Implications:

  • Pheochromocytoma should be considered in the differential diagnosis for patients presenting with unexplained dilated cardiomyopathy and cerebrovascular events.
  • Early diagnosis and surgical management of pheochromocytoma can reverse severe cardiovascular complications.
  • This case highlights the critical link between endocrine disorders and cardiovascular/neurological manifestations.

More Related Videos

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model03:45

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model

Published on: August 8, 2022

Related Concept Videos

Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

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...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

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,...
Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's phenomenon, is a...
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

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...
Psychoneuroimmunology: Cardiovascular Disease01:27

Psychoneuroimmunology: Cardiovascular Disease

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...