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Pulmonary Hypertension: Classification and Pathogenesis

Pulmonary Hypertension: Classification and Pathogenesis

Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...

Nephrotic Syndrome I : Introduction

Nephrotic Syndrome I : Introduction

Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of fluid...

Portal Hypertension

Portal Hypertension

Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...

Chronic Kidney Disease II: Clinical Manifestations

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Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...

Rheumatic Heart Disease I: Introduction

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Renal Corpuscle

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Updated: Jun 13, 2026

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Published on: November 18, 2018

Pulmonary renal vasculitis syndromes.

Richard W Lee¹, David P D'Cruz

¹Rayne Institute, St Thomas' Hospital, London, UK.

Autoimmunity Reviews

|May 18, 2010

Summary

Pulmonary renal vasculitis syndrome involves lung and kidney inflammation, often caused by ANCA-associated vasculitis or Goodpasture's disease. Early, aggressive treatment is crucial for these life-threatening systemic conditions.

Area of Science:

Nephrology
Rheumatology
Pulmonology
Critical Care Medicine

Background:

Pulmonary renal vasculitis syndrome is a critical condition characterized by diffuse alveolar hemorrhage and acute glomerulonephritis.
It often indicates severe, life-threatening systemic vasculitis requiring immediate and intensive treatment.
Common causes include anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis and anti-glomerular basement membrane (Goodpasture's) disease, with other conditions like lupus and antiphospholipid syndrome also implicated.

Purpose of the Study:

To review the clinical features of pulmonary renal vasculitis syndrome.
To discuss recent advances in the therapy for this condition.
To enhance understanding of the underlying pathophysiology.

Main Methods:

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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

Published on: June 16, 2020

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Last Updated: Jun 13, 2026

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Published on: November 18, 2018

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease

Published on: June 16, 2020

Literature review of clinical features.
Analysis of therapeutic advancements.
Exploration of pathophysiological mechanisms.

Main Results:

Pulmonary renal vasculitis syndrome presents with diffuse alveolar hemorrhage and acute glomerulonephritis.
Systemic vasculitis is a common and severe manifestation.
Multidisciplinary care involving rheumatology, nephrology, respiratory, and critical care specialists is essential.

Conclusions:

Prompt diagnosis and aggressive management, including plasma exchange and immunosuppression, are vital.
Specialist centers are crucial for optimal patient outcomes.
Continued research into pathophysiology and therapy is ongoing.