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Hypertonic saline infusion with or without dextran 70 in the reperfusion phase of experimental acute limb ischaemia. 1997

L M Waagstein, and L Jivegård, and H Haljamäe
Department of Anaesthesiology and Intensive Care, Sahlgrenska University Hospital, Göteborg, Sweden.

OBJECTIVE To study the efficacy of hypertonic fluid therapy on central haemodynamics, leg blood flow, and skeletal muscle metabolism at reperfusion after subtotal bilateral limb ischaemia. METHODS Prospective, randomised, controlled study, in pigs (n = 24). METHODS Bilateral limb ischaemia was induced (aortic balloon catheter) and central haemodynamics, peripheral blood flow-thoracic fluid content, blood chemistry, and skeletal muscle metabolite levels were monitored. After 235 min of ischaemia infusion of normal 0.9% saline (NS), hypertonic 7.5% saline (HS), or HS in 6% dextran 70 (HSD) was started. Five minutes later the aortic balloon was deflated and the haemodynamic and metabolic alterations were studied for 180 min after reflow. RESULTS Aortic occlusion resulted in haemodynamic alterations, reduced limb perfusion and metabolic changes indicative of tissue ischaemia. The haemodynamic support prior to, and following, deflation of the aortic balloon was more efficient for HS and HSD than for NS. Lactate clearance and restitution of high energy phosphagen levels in skeletal muscle were faster and more pronounced in the HS and HSD groups. CONCLUSIONS Small-volume hypertonic saline, especially in combination with 6% dextran 70, will effectively reverse limb ischaemia induced haemodynamic and tissue metabolic disturbances.

UI MeSH Term Description Entries
D007511 Ischemia A hypoperfusion of the BLOOD through an organ or tissue caused by a PATHOLOGIC CONSTRICTION or obstruction of its BLOOD VESSELS, or an absence of BLOOD CIRCULATION. Ischemias
D008297 Male Males
D001783 Blood Flow Velocity A value equal to the total volume flow divided by the cross-sectional area of the vascular bed. Blood Flow Velocities,Flow Velocities, Blood,Flow Velocity, Blood,Velocities, Blood Flow,Velocity, Blood Flow
D003911 Dextrans A group of glucose polymers made by certain bacteria. Dextrans are used therapeutically as plasma volume expanders and anticoagulants. They are also commonly used in biological experimentation and in industry for a wide variety of purposes. Dextran,Dextran 40,Dextran 40000,Dextran 70,Dextran 75,Dextran 80,Dextran B-1355,Dextran B-1355-S,Dextran B1355,Dextran B512,Dextran Derivatives,Dextran M 70,Dextran T 70,Dextran T-40,Dextran T-500,Hemodex,Hyskon,Infukoll,Macrodex,Polyglucin,Promit,Rheodextran,Rheoisodex,Rheomacrodex,Rheopolyglucin,Rondex,Saviosol,Dextran B 1355,Dextran B 1355 S,Dextran T 40,Dextran T 500
D005260 Female Females
D005440 Fluid Therapy Therapy whose basic objective is to restore the volume and composition of the body fluids to normal with respect to WATER-ELECTROLYTE BALANCE. Fluids may be administered intravenously, orally, by intermittent gavage, or by HYPODERMOCLYSIS. Oral Rehydration Therapy,Rehydration,Rehydration, Oral,Oral Rehydration,Rehydration Therapy, Oral,Therapy, Fluid,Therapy, Oral Rehydration,Fluid Therapies,Oral Rehydration Therapies,Oral Rehydrations,Rehydration Therapies, Oral,Rehydrations,Rehydrations, Oral,Therapies, Fluid,Therapies, Oral Rehydration
D006614 Hindlimb Either of two extremities of four-footed non-primate land animals. It usually consists of a FEMUR; TIBIA; and FIBULA; tarsals; METATARSALS; and TOES. (From Storer et al., General Zoology, 6th ed, p73) Hindlimbs
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012462 Saline Solution, Hypertonic Hypertonic sodium chloride solution. A solution having an osmotic pressure greater than that of physiologic salt solution (0.9 g NaCl in 100 ml purified water). Hypertonic Saline Solution,Hypertonic Solution, Saline,Sodium Chloride Solution, Hypertonic,Hypertonic Saline Solutions,Hypertonic Solutions, Saline,Saline Solutions, Hypertonic,Sodium Chloride Solutions, Hypertonic,Saline Hypertonic Solution,Saline Hypertonic Solutions,Solution, Hypertonic Saline,Solution, Saline Hypertonic,Solutions, Hypertonic Saline,Solutions, Saline Hypertonic
D013552 Swine Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA). Phacochoerus,Pigs,Suidae,Warthogs,Wart Hogs,Hog, Wart,Hogs, Wart,Wart Hog

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