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Topic: Pulmonary hypertension

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	Pulmonary hypertension - Wikipedia, the free encyclopedia
		In medicine, pulmonary hypertension (PH) is an increase in blood pressure in the pulmonary artery or lung vasculature, leading to shortness of breath, dizziness, fainting, and other symptoms, all of which are exacerbated by exertion.
		Pulmonary thromboendarterectomy (PTE) is a surgical procedure that is used for chronic thromboembolic pulmonary hypertension.
		Pulmonary hypertension as a risk factor for death in patients with sickle cell disease.
	en.wikipedia.org /wiki/Pulmonary_hypertension (2230 words)

	Pulmonary hypertension (Site not responding. Last check: 2007-10-17)
		Regardless of whether pulmonary hypertension is primary or secondary, the disorder results in thickening of the pulmonary arteries and narrowing of these blood vessels.
		Pulmonary hypertension is rarely detected during routine physical examinations and, therefore, often progresses to later stages before being diagnosed.
		Pulmonary hypertension is chronic and incurable with an unpredictable survival rate.
	www.lifesteps.com /gm/Atoz/ency/pulmonary_hypertension.jsp (887 words)

	Pulmonary Hypertension: Lung and Airway Disorders: Merck Manual Home Edition
		Pulmonary hypertension is the underlying cause of cor pulmonale.
		Secondary pulmonary hypertension can be caused by any disease that impedes the flow of blood through the lungs or that causes sustained periods of low oxygen in the blood.
		A sudden cause of pulmonary hypertension is pulmonary embolism (see Pulmonary Embolism), a condition in which blood clots become lodged in the arteries of the lung, causing serious problems.
	www.merck.com /mmhe/sec04/ch054/ch054a.html (1757 words)

	Pulmonary hypertension
		The signs and symptoms of pulmonary hypertension are subtle in the early stages of the disease and may not be apparent for months or even years.
		Pulmonary hypertension is defined as systolic lung blood pressure greater than 25 mm Hg at rest and 30 mm Hg during exercise.
		Climbers unaccustomed to high altitudes are also at risk of pulmonary edema, a condition in which the air sacs in the lungs fill with fluid instead of with air and which is always associated with pulmonary hypertension.
	www.cnn.com /HEALTH/library/DS/00430.html (3126 words)

	What Is Pulmonary Arterial Hypertension?
		Pulmonary (PULL-mun-ary) arterial hypertension (PAH) is continuous high blood pressure in the pulmonary artery.
		The pulmonary arteries are the blood vessels that carry oxygen-poor blood from the right ventricle (VEN-trih-kul) in the heart to the small arteries in the lungs.
		Secondary pulmonary arterial hypertension (SPAH) either is caused by or occurs because of another condition.
	www.nhlbi.nih.gov /health/dci/Diseases/pah/pah_what.html (353 words)

	Treatment of Pulmonary Hypertension at Mayo Clinic
		If the initial disease cannot be cured, the pulmonary hypertension may have to be treated directly, using many or all of the treatment methods used in primary pulmonary hypertension.
		Other forms of pulmonary hypertension are caused by caused by another condition or disease such as emphysema, blood clots to the lung (chronic thromboembolic pulmonary hypertension) or congenital heart disease.
		Chronic thromboembolic pulmonary hypertension is a type of pulmonary hypertension that is often missed or misdiagnosed.
	www.mayoclinic.org /pulmonary-hypertension (597 words)

	Primary pulmonary hypertension - Genetics Home Reference
		Primary pulmonary hypertension is a progressive disorder characterized by abnormally high blood pressure (hypertension) that affects arteries in the lungs (pulmonary arteries).
		Hypertension is caused by the narrowing (obstruction) of very small arteries throughout the lungs.
		Mutations in the BMPR2 gene cause primary pulmonary hypertension.
	ghr.nlm.nih.gov /condition=primarypulmonaryhypertension (747 words)

	Pulmonary hypertension definition - High Blood Pressure (hypertension) and related information on MedicineNet.com
		Secondary pulmonary hypertension may be due to congenital heart disease, pulmonary embolism, portal hypertension, collagen vascular disorders (such as lupus), sarcoidosis, and HIV infection.
		The goals of treatment for pulmonary hypertension are to treat the underlying cause, to reduce symptoms and improve quality of life, to slow the growth of the smooth muscle cells and the development of blood clots; and to increase the supply of blood and oxygen to the heart, while reducing its workload.
		Pulmonary Hypertension - Learn about pulmonary hypertension, an abnormal elevation of the pressure in the pulmonary circulation caused by the constriction of the blood vessels that supply blood to the lungs.
	www.medterms.com /script/main/art.asp?articlekey=5126 (530 words)

	MedlinePlus Medical Encyclopedia: Primary pulmonary hypertension
		Pulmonary hypertension is abnormally high blood pressure in the arteries of the lungs.
		The cause of primary pulmonary hypertension is unknown.
		Pulmonary hypertension is the result of greater resistance to blood flow.
	www.nlm.nih.gov /medlineplus/ency/article/000112.htm (429 words)

	Pulmonary Hypertension
		Pulmonary hypertension is a condition in which the blood pressure in the arteries of the lungs is unusually high.
		In a healthy person, the blood pressure in the arteries of the lungs is usually lower than the pressure of the blood in the rest of the body because the blood is pumped from the weaker right side of the heart (a shorter distance from the heart) into the lungs.
		If a person with pulmonary hypertension is not getting enough oxygen in the blood, he or she may need to continuously use oxygen through a device on the nose (a nasal canula) or an oxygen mask.
	www.csmc.edu /6987.html (953 words)

	Pulmonary Hypertension
		In the patient with pulmonary hypertension the mean blood pressure in the pulmonary artery is greater than 25 mmHg at rest and 30 mmHg during exercise.
		Severity of pulmonary hypertension may be assessed by examination, but several diagnostic procedures may be required to evaluate the precise amount of hypertension.
		In patients with pulmonary hypertension the chest x-ray reveals protrusion of the main pulmonary artery, increased width of the descending branch of the right pulmonary artery, and an increase in the cardiothoracic ratio.
	www.pcca.net /PulmonaryHypertension.htm (1436 words)

	[No title]
		The pulmonary artery is the blood vessel carrying oxygen-poor blood from the right ventricle, one of the pumping chambers of the heart, to the lungs.
		This abnormally high pressure (pulmonary hypertension) is associated with changes in the small blood vessels in the lungs, resulting in an increased resistance to blood flowing through the vessels.
		This means that it is diagnosed only after the doctor finds pulmonary hypertension and excludes or cannot find other reasons for the hypertension, such as a chronic obstructive pulmonary disease (chronic bronchitis and emphysema), pulmonary emboli, or some forms of congenital heart disease.
	www.mdchoice.com /pt/ptinfo/prim-ph.asp (3754 words)

	PERSISTENT PULMONARY HYPERTENSION OF THE NEWBORN (Site not responding. Last check: 2007-10-17)
		Persistent pulmonary hypertension of the newborn is a cardiopulmonary disorder characterized by systemic arterial hypoxemia secondary to elevated pulmonary vascular resistance with resultant shunting of pulmonary blood flow to the systemic circulation.
		Persistent pulmonary hypertension of the newborn in a pathophysiologic syndrome that results when the pulmonary vascular resistance fails to decrease after birth, despite improved alveolar oxygenation and lung expansion.
		Steinhorn RH, Millard SL, Morin FC: 1995 Persistent pulmonary hypertension of the newborn.
	neonatal.peds.washington.edu /NICU-WEB/pphn.stm (3559 words)

	Pulmonary Hypertension (Site not responding. Last check: 2007-10-17)
		Pulmonary hypertension is not as common as its brother, arterial hypertension, the high blood pressure familiar to most of us.
		Pulmonary hypertension is one of the major causes of morbidity and mortality of patients with sickle cell hemoglobinopathy (SCH).
		The aim of this study was to define the pulmonary pathologic changes and to investigate correlation between the pathologic changes, the antemortem diagnosis of pulmonary hypertension, and the severity of SCH.
	www.thedoctorsdoctor.com /diseases/lung_htn.htm (1548 words)

	eMedicine - Pulmonary Hypertension, Primary : Article by Ronald J Oudiz, MD
		Thrombotic pulmonary arteriopathy is characterized by in situ thrombosis of small muscular arteries of the pulmonary vasculature.
		Additionally, exposure of the pulmonary circulation to substances in the splanchnic circulation that normally are detoxified via the liver may contribute to the development of pulmonary hypertension.
		Thrombotic pulmonary arteriopathy is often present at earlier stages of PPH (ie, before the development of plexogenic pulmonary arteriopathy) or as an irreversible lesion in later stages.
	www.emedicine.com /med/topic1962.htm (4936 words)

	U-M CVC - Pulmonary Hypertension (Site not responding. Last check: 2007-10-17)
		Pulmonary hypertension is the term used to describe increased pressure in the arteries of the lungs.
		The most common diagnosis in patients referred to the adult Pulmonary Hypertension Clinic are primary pulmonary hypertension (PPH), thromboembolic pulmonary hypertension which is due to blood clots in the lungs known as pulmonary embolus, collagen disease such as lupus and scleroderma, and congenital heart disease.
		When pulmonary hypertension is due to collagen disease such as lupus and scleroderma it is referred to as secondary.
	www.med.umich.edu /cvc/adult/dispul.htm (1800 words)

	eMedicine - Pulmonary Hypertension, Secondary : Article by Sat Sharma, MD, FRCPC, FACP, FCCP, DABSM
		Pulmonary blood volume overload is caused by left-to-right intracardiac shunts, such as in patients with atrial or ventricular septal defects.
		Secondary pulmonary hypertension is observed as a complication of pulmonary or cardiac disorders, although not all patients with the underlying disorder develop this complication.
		During a pulmonary arterial thromboendarterectomy, a bilateral proximal thrombus was carefully dissected and extracted, leading to the resolution of secondary pulmonary artery hypertension.
	www.emedicine.com /med/topic2946.htm (7229 words)

	Echocardiography
		Pulmonary artery pressure was noninvasively estimated by three Doppler echocardiographic methods in 50 consecutive patients undergoing cardiac catheterization.
		The pulmonary regurgitant flow velocity patterns, characterized by a rapid rise in flow velocity immediately after closure of the pulmonary valve and a gradual deceleration until the next pulmonary valve opening, w ere successfully obtained in 18 of the 21 patients with pulmonary hypertension and in 13 of the 24 patients without pulmonary hypertension.
		As pulmonary artery pressure increased, pulmonary regurgitant flow velocity became higher; the pulmonary artery-to- right ventricular pressure gradient in diastole (PG) was estimated from the pulmonary regurgitant flow velocity (V) by means of the simplified Bernoulli equation (PG = 4V2).
	www2.umdnj.edu /~shindler/p_htn.html (1560 words)

	Pulmonary Hypertension -- familydoctor.org (Site not responding. Last check: 2007-10-17)
		"Pulmonary" means "in the lungs," and "hypertension" means "high blood pressure." Pulmonary hypertension happens when the pulmonary arteries (the vessels that carry blood from the heart to the lungs) narrow so they can't carry as much blood.
		When the cause of pulmonary hypertension isn't known, the disorder is called "primary" pulmonary hypertension.
		Both primary and secondary pulmonary hypertension are usually permanent conditions, although treatment can improve symptoms and long-term outcomes in some people.
	familydoctor.org /675.xml (394 words)

	Pulmonary Hypertension -- Benisty 106 (24): e192 -- Circulation
		Pulmonary hypertension is an abnormal elevation of the pressure
		Symptoms are often the first clue to pulmonary hypertension.
		Although pulmonary hypertension is a chronic disease, the outlook
	circ.ahajournals.org /cgi/content/full/106/24/e192 (757 words)

	Pulmonary hypertension - WrongDiagnosis.com
		Increased pressure with the the pulmonary circulation, usually secondary to cardiac or pulmonary disease.
		Detailed information about the causes of Pulmonary hypertension including medication causes and drug interaction causes can be found in our causes pages.
		With a diagnosis of Pulmonary hypertension, it is also important to consider whether there is an underlying condition causing Pulmonary hypertension.
	www.wrongdiagnosis.com /p/pulmonary_hypertension/intro.htm (792 words)

	Pulmonary Hypertension Information on Healthline
		Secondary pulmonary hypertension is increased pressure of the blood vessels of the lungs as a result of other medical conditions.
		Pulmonary function test- A test that measures how much air the lungs hold and the air flow in and out of the lungs.
		Right-heart cardiac catherization- A medical procedure during which a physician threads a catheter into the right side of the heart to measure the blood pressure in the right side of the heart and the pulmonary artery.
	www.healthline.com /galecontent/pulmonary-hypertension (847 words)

	Primary Pulmonary Hypertension (PPH) and the Fen Phen Diet Drug
		In contrast, secondary pulmonary hypertension (SPH) means the cause is known.
		Because PPH cannot be diagnosed until all types of secondary pulmonary hypertension (of which there are many) have been excluded on clinical grounds, PPH is very difficult to diagnose.
		In the United States, an estimated 500 to 1,000 new cases of primary pulmonary hypertension are diagnosed each year.
	www.pph-net.org (467 words)

	Pulmonary Hypertension
		High blood pressure in the arteries that supply the lungs is called pulmonary hypertension (PHT).
		The blood pressure measured by cuff on your arm isn't directly related to the pressure in your lungs.
		It's important to repair congenital heart problems (when possible) before permanent pulmonary hypertensive changes develop.
	www.americanheart.org /presenter.jhtml?identifier=11076 (703 words)

	MedlinePlus: Pulmonary Hypertension
		Pulmonary Arterial Hypertension (National Heart, Lung, and Blood Institute)
		Persistent Pulmonary Hypertension of the Newborn (PPHN) (Nemours Foundation)
		The primary NIH organization for research on Pulmonary Hypertension is the National Heart, Lung, and Blood Institute
	www.nlm.nih.gov /medlineplus/pulmonaryhypertension.html (284 words)

	Pulmonary Hypertension Causes, Diagnosis, Symptoms, and Treatment on MedicineNet.com
		Pulmonary Hypertension Causes, Diagnosis, Symptoms, and Treatment on MedicineNet.com
		What is primary pulmonary hypertension and what causes it?
		Tests used to evaluate patients with suspected pulmonary hypertension include chest x-ray and high-resolution CAT scanning, pulmonary function tests, and echocardiogram.
	www.medicinenet.com /pulmonary_hypertension/article.htm (639 words)

	PHA-UK - Pulmonary Hypertension Association UK - Welcome
		The Pulmonary Hypertension Association UK aims to provide support, understanding, and information for all those people whose lives are touched by Pulmonary Hypertension.
		By bringing people together, and providing a focus for everyone throughout the UK and around the world, the Association aims to make the lives of patients, relatives and carers easier and more able to cope with the challenges that Pulmonary Hypertension imposes.
		This site aims to provide information about all aspects of Pulmonary Hypertension including clear explanations of what it is, how it is diagnosed and what can be done to treat it.
	www.pha-uk.com (385 words)

	Primary Pulmonary Hypertension (PPH) Lawsuits
		Millions of people took these drugs and were given to them by their doctors in the hope of losing weight and becoming more healthy.
		Unfortunately thousands now suffer long term health risks or have developed a potentially fatal pulmonary artery disease.
		The legal system can provide compensation for people victimized by the negligence of these companies.
	www.primary-pulmonary-hypertension-pph.com (225 words)

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