Hipertensão arterial pulmonar
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Pulmonary arterial hypertension is a progressive disorder characterised by abnormally high blood pressure (hypertension) in the pulmonary artery, the blood vessel that carries blood from the heart to the lungs. Pulmonary arterial hypertension is one form of a broader condition known as pulmonary hypertension. Pulmonary hypertension occurs when most of the very small arteries throughout the lungs narrow in diameter, which increases the resistance to blood flow through the lungs. To overcome the increased resistance, blood pressure increases in the pulmonary artery and in the right ventricle of the heart, which is the chamber that pumps blood into the pulmonary artery. Ultimately, the increased blood pressure can damage the right ventricle of the heart.
Descrição
Pulmonary arterial hypertension is a progressive disorder characterised by abnormally high blood pressure (hypertension) in the pulmonary artery, the blood vessel that carries blood from the heart to the lungs. Pulmonary arterial hypertension is one form of a broader condition known as pulmonary hypertension. Pulmonary hypertension occurs when most of the very small arteries throughout the lungs narrow in diameter, which increases the resistance to blood flow through the lungs. To overcome the increased resistance, blood pressure increases in the pulmonary artery and in the right ventricle of the heart, which is the chamber that pumps blood into the pulmonary artery. Ultimately, the increased blood pressure can damage the right ventricle of the heart.
Signs and symptoms of pulmonary arterial hypertension occur when increased blood pressure cannot fully overcome the elevated resistance. As a result, the flow of oxygenated blood from the lungs to the rest of the body is insufficient. Shortness of breath (dyspnea) during exertion and fainting spells are the most common symptoms of pulmonary arterial hypertension. People with this disorder may experience additional symptoms, particularly as the condition worsens. Other symptoms include dizziness, swelling (edema) of the ankles or legs, chest pain, and a rapid heart rate.
Padrões de herança
The source lists the following possible inheritance patterns: Autosomal dominant. More than one pattern can apply in different cases.
Related genes
Other names
Ayerza syndrome
Familial primary pulmonary hypertension
FPPH
Idiopathic pulmonary hypertension
PAH
PPH
PPHT
Hipertensão pulmonar primária
Sporadic primary pulmonary hypertension
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Uso de terapia de oxigênio na DPOC
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Doença cardíaca congênita
Patent ductus arteriosus (PDA). The ductus arteriosus is a tube which connects the two main arteries of the heart (the pulmonary artery and the aorta). This connection is important when the baby is in the womb, but after birth it closes off. An increased risk of blood clots and strokes. Hipertensão pulmonar. This is a knock-on effect where there.
Leitura adicional e referências
- Hipertensão arterial pulmonar; MedlinePlus, National Library of Medicine.
- Austin ED, Loyd JE. The genetics of pulmonary arterial hypertension. Circ Res. 2014 Jun 20;115(1):189-202. doi: 10.1161/CIRCRESAHA.115.303404.
- Geiger H, Tinker RJ, Talbert J, Phillips JA III, Austin ED. Heritable Pulmonary Arterial Hypertension Overview. 2002 Jul 18 [updated 2026 Apr 9]. In: Adam MP, Bick S, Mirzaa GM, Wallace SE, Amemiya A, editors. GeneReviews(R) [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2026. Available from http://www.ncbi.nlm.nih.gov/books/NBK1485/
- Machado RD, Aldred MA, James V, Harrison RE, Patel B, Schwalbe EC, Gruenig E, Janssen B, Koehler R, Seeger W, Eickelberg O, Olschewski H, Elliott CG, Glissmeyer E, Carlquist J, Kim M, Torbicki A, Fijalkowska A, Szewczyk G, Parma J, Abramowicz MJ, Galie N, Morisaki H, Kyotani S, Nakanishi N, Morisaki T, Humbert M, Simonneau G, Sitbon O, Soubrier F, Coulet F, Morrell NW, Trembath RC. Mutations of the TGF-beta type II receptor BMPR2 in pulmonary arterial hypertension. Hum Mutat. 2006 Feb;27(2):121-32. doi: 10.1002/humu.20285.
- Machado RD, Southgate L, Eichstaedt CA, Aldred MA, Austin ED, Best DH, Chung WK, Benjamin N, Elliott CG, Eyries M, Fischer C, Graf S, Hinderhofer K, Humbert M, Keiles SB, Loyd JE, Morrell NW, Newman JH, Soubrier F, Trembath RC, Viales RR, Grunig E. Pulmonary Arterial Hypertension: A Current Perspective on Established and Emerging Molecular Genetic Defects. Hum Mutat. 2015 Dec;36(12):1113-27. doi: 10.1002/humu.22904. Epub 2015 Oct 12.
- Montani D, Gunther S, Dorfmuller P, Perros F, Girerd B, Garcia G, Jais X, Savale L, Artaud-Macari E, Price LC, Humbert M, Simonneau G, Sitbon O. Pulmonary arterial hypertension. Orphanet J Rare Dis. 2013 Jul 6;8:97. doi: 10.1186/1750-1172-8-97.
- Soubrier F, Chung WK, Machado R, Grunig E, Aldred M, Geraci M, Loyd JE, Elliott CG, Trembath RC, Newman JH, Humbert M. Genetics and genomics of pulmonary arterial hypertension. J Am Coll Cardiol. 2013 Dec 24;62(25 Suppl):D13-21. doi: 10.1016/j.jacc.2013.10.035.
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