Biomaterial Database

Hemodynamic considerations regarding the mechanism and prevention of aortic dissection. 1994

F Robicsek, and M J Thubrikar

Carolinas Heart Institute, Carolinas Medical Center, Charlotte, North Carolina.

We describe the hemodynamic principles that we postulate are responsible for the development of aortic dissection. Two types are differentiated: the "hypertensive" and the "Marfan" types. The former is characterized by moderate aortic dilatation and considerable blood pressure elevation, the latter by considerable aortic dilatation only. The role of wall stress in the development of the intimal tear and the propagation of the process of dissection are discussed. We recommend that patients who are at high risk for developing aortic dissection--those with Marfan's syndrome and dilated aortas--should undergo aortoplasty and wall reinforcement as a simple, safe, and effective way to prevent aortic dissection.

UI	MeSH Term	Description	Entries
D008382	Marfan Syndrome	An autosomal dominant disorder of CONNECTIVE TISSUE with abnormal features in the heart, the eye, and the skeleton. Cardiovascular manifestations include MITRAL VALVE PROLAPSE; AORTIC ANEURYSM; and AORTIC DISSECTION. Other features include lens displacement (ectopia lentis), disproportioned long limbs and enlarged DURA MATER (dural ectasia). Marfan syndrome (type 1) is associated with mutations in the gene encoding FIBRILLIN-1 (FBN1), a major element of extracellular microfibrils of connective tissue. Mutations in the gene encoding TYPE II TGF-BETA RECEPTOR (TGFBR2) are associated with Marfan syndrome type 2.	Marfan Like Connective Tissue Disorder,Marfan Syndrome Type 1,Marfan Syndrome Type 2,Marfan Syndrome, Type II,Marfan Syndrome, Type I,Marfan's Syndrome,Marfans Syndrome
D011312	Pressure	A type of stress exerted uniformly in all directions. Its measure is the force exerted per unit area. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)	Pressures
D001794	Blood Pressure	PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS.	Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D004108	Dilatation, Pathologic	The condition of an anatomical structure's being dilated beyond normal dimensions.	Ectasia,Dilatation, Pathological,Dilatations, Pathologic,Dilatations, Pathological,Pathologic Dilatation,Pathologic Dilatations,Pathological Dilatation,Pathological Dilatations
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000784	Aortic Dissection	A tear in the inner layer of the AORTA leading to interstitial HEMORRHAGE, and splitting (dissecting) of the aortic TUNICA MEDIA layer. It typically begins with a tear in the TUNICA INTIMA layer.	Aneurysm, Dissecting,Aortic Dissecting Aneurysm,Dissecting Aneurysm,Dissecting Aneurysm Aorta,Aneurysm Aorta, Dissecting,Aneurysm, Aortic Dissecting,Aorta, Dissecting Aneurysm,Aortic Dissecting Aneurysms,Aortic Dissections,Dissecting Aneurysm Aortas,Dissecting Aneurysm, Aortic,Dissecting Aneurysms,Dissection, Aortic
D001011	Aorta	The main trunk of the systemic arteries.	Aortas
D001014	Aortic Aneurysm	An abnormal balloon- or sac-like dilatation in the wall of AORTA.	Aneurysm, Aortic,Aneurysms, Aortic,Aortic Aneurysms
D001696	Biomechanical Phenomena	The properties, processes, and behavior of biological systems under the action of mechanical forces.	Biomechanics,Kinematics,Biomechanic Phenomena,Mechanobiological Phenomena,Biomechanic,Biomechanic Phenomenas,Phenomena, Biomechanic,Phenomena, Biomechanical,Phenomena, Mechanobiological,Phenomenas, Biomechanic