[A new method of studying blood aggregation in geriatric surgical patients]. 1993

V D Malyshev, and G I Storozhakov, and A P Pleskov, and V Iu Shilo

A new technique of nephelometry based on the determination of optic radius of platelets and their aggregates has been tested in surgical patients of very advanced age with abdominal pathology. The technique in question makes it possible to use subthreshold inducer doses compatible with their real concentration in vivo. The nature of changes in platelet aggregation at preoperative stage has been described, postoperative course of hyperaggregation syndrome has been followed and qualitative disorders in aggregate forming processes have been specified. It has been shown that intravascular blood irradiation with low-intensive laser is effective for the correction of high platelet sensitivity.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009391 Nephelometry and Turbidimetry Chemical analysis based on the phenomenon whereby light, passing through a medium with dispersed particles of a different refractive index from that of the medium, is attenuated in intensity by scattering. In turbidimetry, the intensity of light transmitted through the medium, the unscattered light, is measured. In nephelometry, the intensity of the scattered light is measured, usually, but not necessarily, at right angles to the incident light beam. Turbidimetry,Nephelometry,Turbidimetry and Nephelometry
D010974 Platelet Aggregation The attachment of PLATELETS to one another. This clumping together can be induced by a number of agents (e.g., THROMBIN; COLLAGEN) and is part of the mechanism leading to the formation of a THROMBUS. Aggregation, Platelet
D011184 Postoperative Period The period following a surgical operation. Period, Postoperative,Periods, Postoperative,Postoperative Periods
D001792 Blood Platelets Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation. Platelets,Thrombocytes,Blood Platelet,Platelet,Platelet, Blood,Platelets, Blood,Thrombocyte
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000367 Age Factors Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time. Age Reporting,Age Factor,Factor, Age,Factors, Age
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D013514 Surgical Procedures, Operative Operations carried out for the correction of deformities and defects, repair of injuries, and diagnosis and cure of certain diseases. (Taber, 18th ed.). Surgical Procedures,Ghost Surgery,Operative Procedures,Operative Surgical Procedure,Operative Surgical Procedures,Procedure, Operative Surgical,Procedures, Operative Surgical,Surgery, Ghost,Surgical Procedure, Operative,Operative Procedure,Procedure, Operative,Procedure, Surgical,Procedures, Operative,Procedures, Surgical,Surgical Procedure

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