CHIVA Method

	CHIVA Method CHIVA method is a type of surgery used to treat varicose veins that occur as a result of long term venous insufficiency. The term is a French acronym for Conservatrice Hémodynamique de l'Insuffisance Veineuse en Ambulatoire (ambulatory conservative hemodynamic treatment venous insufficiency). The method is based on the assumption that the symptoms of varicose veins are mainly the expression of an hemodynamic circulatory disorder, induced by various venous system malfunctions. CHIVA attempts to improve symptoms and signs without destroying the veins which remain available for vascular by pass. A very detailed free PDF document on the principles of the CHIVA method is available online Venous insufficiency of the pelvis and lower limbs __TOC__ Procedure CHIVA involves Doppler ultrasonography to assess the hemodynamics Hemodynamics or haemodynamics are the dynamics of blood flow. The circulatory system is controlled by homeostatic mechanisms of autoregulation, just as hydr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Varicose Veins Varicose veins, also known as varicoses, are a medical condition in which superficial veins become enlarged and twisted. Although usually just a cosmetic ailment, in some cases they cause fatigue, pain, itch, itching, and cramp, nighttime leg cramps. These veins typically develop in the legs, just under the skin. Their complications can include bleeding, ulcer (dermatology), skin ulcers, and superficial thrombophlebitis. Varices in the scrotum are known as varicocele, while those around the Human anus, anus are known as hemorrhoids. The physical, social, and psychological effects of varicose veins can lower their bearers' quality of life. Varicose veins have no specific cause. Risk factors include obesity, lack of exercise, leg trauma, and family history of the condition. They also develop more commonly during pregnancy. Occasionally they result from chronic venous insufficiency. Underlying causes include weak or damaged valves in the veins. They are typically diagnosed by examina ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Long Term Venous Insufficiency Chronic venous insufficiency (CVI) is a medical condition characterized by blood pooling in the veins, leading to increased pressure and strain on the vein walls. The most common cause of CVI is superficial venous reflux, which often results in the formation of varicose veins, a treatable condition. Since functional venous valves are necessary to facilitate efficient blood return from the lower extremities, CVI primarily affects the legs. When impaired vein function leads to significant symptoms such as oedema (swelling) or venous ulcer formation, the condition is referred to as chronic venous disease. It is also known as ''chronic peripheral venous insufficiency'' and should not be confused with post-thrombotic syndrome, a separate condition caused by damage to the deep veins following deep vein thrombosis (DVT). Most cases of CVI can be managed or improved through treatments targeting the superficial venous system or stenting the deep venous system. For instance, varicose ve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Doppler Ultrasonography Doppler ultrasonography is medical ultrasonography that employs the Doppler effect to perform imaging of the movement of tissues and body fluids (usually blood), and their relative velocity to the probe. By calculating the frequency shift of a particular sample volume, for example, flow in an artery or a jet of blood flow over a heart valve, its speed and direction can be determined and visualized. Duplex ultrasonography sometimes refers to Doppler ultrasonography or spectral Doppler ultrasonography. Doppler ultrasonography consists of two components: brightness mode (B-mode) showing anatomy of the organs, and Doppler mode (showing blood flow) superimposed on the B-mode. Meanwhile, spectral Doppler ultrasonography consists of three components: B-mode, Doppler mode, and spectral waveform displayed at the lower half of the image. Therefore, "duplex ultrasonography" is a misnomer for spectral Doppler ultrasonography, and more exact name should be "triplex ultrasonography". This is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Hemodynamics Hemodynamics or haemodynamics are the dynamics of blood flow. The circulatory system is controlled by homeostatic mechanisms of autoregulation, just as hydraulic circuits are controlled by control systems. The hemodynamic response continuously monitors and adjusts to conditions in the body and its environment. Hemodynamics explains the physical laws that govern the flow of blood in the blood vessels. Blood flow ensures the transportation of nutrients, hormones, metabolic waste products, oxygen, and carbon dioxide throughout the body to maintain cell-level metabolism, the regulation of the pH, osmotic pressure and temperature of the whole body, and the protection from microbial and mechanical harm. Blood is a non-Newtonian fluid, and is most efficiently studied using rheology rather than hydrodynamics. Because blood vessels are not rigid tubes, classic hydrodynamics and fluids mechanics based on the use of classical viscometers are not capable of explaining haemodynamics. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Vascular Procedures Vascular can refer to: * blood vessels, the vascular system in animals * vascular tissue Vascular tissue is a complex transporting tissue, formed of more than one cell type, found in vascular plants. The primary components of vascular tissue are the xylem and phloem. These two tissues transport fluid and nutrients internally. T ... , the transport system in plants {{disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Angiology Angiology (from Greek , ''angeīon'', "vessel"; and , ''-logia'') is the medical specialty dedicated to studying the circulatory system and of the lymphatic system, i.e., arteries, veins and lymphatic vessels. In the UK, this field is more often termed ''angiology'', and in the United States the term vascular medicine is more frequent. The field of vascular medicine (angiology) is the field that deals with preventing, diagnosing, and treating lymphatic and blood vessel related diseases. Overview Arterial diseases include the aorta ( aneurysms/dissection) and arteries supplying the legs, hands, kidneys, brain, intestines. It also covers arterial thrombosis and embolism; vasculitides; and vasospastic disorders. Naturally, it deals with preventing cardiovascular diseases such as heart attack and stroke. Venous diseases include venous thrombosis, chronic venous insufficiency, and varicose veins. Lymphatic diseases include primary and secondary forms of lymphedema. It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]