Arterial thrombosis
Contents:
Description:
Arterial thrombosis — the morbid condition which is characterized by formation of a parcel of blood in this or that site of a vascular bed of arteries.
Symptoms of Arterial thrombosis:
Men, than women are ill more often. The peak of incidence falls on 5-6 decades of life. Symptoms the same diseases, as at an embolism of arteries also depend on severity of ischemia and speed of its development. Generally it is considered that development of ischemia at fibrinferment slower and not such bright, as at an embolism. However on these signs it is impossible to build the differential diagnosis. The previous chronic disease of vessels and lack of embologenny sources can be a basic sign (a heart disease, aneurism, etc.). From additional methods of inspection it is necessary to point to an angiography which allows to establish localization and extent of the thrombosed segment, and, above all, a condition of the arteries located distalny fibrinferment, first of all. On angiograms characteristic signs of chronic obliterating damage of arteries are visible: segmented stenoses, an izjedennost (roughness) of contours of an artery, the created collaterals. At an embolism, on the contrary, the border of occlusion has a characteristic concave surface and sharply breaks, overlying vessels have smooth walls, collaterals are poorly expressed.
Reasons of Arterial thrombosis:
Acute arterial thrombosis extremely seldom develops in healthy arteries. More than in 90% of cases it arises at patients with chronic obliterating diseases of arteries of genesis atherosclerotic (generally). Are more rare reasons of thrombosis: disturbance of coagulant system of blood and delay of a blood-groove. In a varying degree they are present at patients with chronic obliterating it is time zheniye of arteries.
Treatment of Arterial thrombosis:
At acute thrombosis urgent operation is shown only in those cases which are followed by the heavy ischemia menacing to viability of an extremity. But also in these cases all efforts have to be naprvlena on preliminary specification of local operability (doppler sonography, an angiography).
At those patients at whom after thrombosis ischemia of an extremity does not carry heavy degree it is better to make recovery of blood circulation in the delayed period. During this period conservative therapy and comprehensive examination of the patient is conducted.
Many authors put forward the following arguments in favor of the delayed operation: 1) specification of local operability (a condition of arteries), 2) development of collateral circulation, 3) improvement of a condition of soft tissues, 4) planned operation is always more preferable emergency (the prepared team of surgeons, plastic material, etc.).
