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Thromboembolism after elective and post-traumatic hip surgery--a controlled prophylactic trial with dextran 70 and low-dose heparin. 1979

D Bergqvist, and H O Efsing, and T Hallböök, and T Hedlund

A prospective randomized controlled study has been undertaken to evaluate two different prophylactic treatments against postoperative thromboembolic complications after hip surgery. Patients with hip fracture (77) and patients undergoing elective hip arthroplasty (213) were separately randomized into one of three groups: control, dextran 70, or low-dose heparin. Deep vein thrombosis was diagnosed in both groups with the 125I-fibrinogen test and pulmonary perfusion defects in the arthroplasty group with a combination of pulmonary X-ray and perfusion scintigraphy. The frequency of thrombosis was significantly higher in untreated hip fracture patients than in untreated arthroplasty patients. In hip fracture patients both treatments significantly reduced the frequency of thrombosis. Only dextran reduced the frequency of major thrombosis and in the heparin group one fatal pulmonary embolism occurred. After elective hip surgery the overall frequency of thrombosis was not influenced by the two treatments, but with dextran 70 thigh thrombi were reduced and with low-dose heparin the frequency of bilateral thrombosis was reduced. Two patients in the control group died of pulmonary embolism, but the frequency of pulmonary perfusion defects was not influenced by the treatment. Bleeding and transfusions were the same in the three groups.

UI MeSH Term Description Entries
D007279 Injections, Subcutaneous Forceful administration under the skin of liquid medication, nutrient, or other fluid through a hollow needle piercing the skin. Subcutaneous Injections,Injection, Subcutaneous,Subcutaneous Injection
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011183 Postoperative Complications Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. Complication, Postoperative,Complications, Postoperative,Postoperative Complication
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D011897 Random Allocation A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects. Randomization,Allocation, Random
D002986 Clinical Trials as Topic Works about pre-planned studies of the safety, efficacy, or optimum dosage schedule (if appropriate) of one or more diagnostic, therapeutic, or prophylactic drugs, devices, or techniques selected according to predetermined criteria of eligibility and observed for predefined evidence of favorable and unfavorable effects. This concept includes clinical trials conducted both in the U.S. and in other countries. Clinical Trial as Topic
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
D005593 Fracture Fixation, Internal The use of internal devices (metal plates, nails, rods, etc.) to hold the position of a fracture in proper alignment. Osteosynthesis, Fracture,Fixation, Internal Fracture,Fixations, Internal Fracture,Fracture Fixations, Internal,Fracture Osteosyntheses,Fracture Osteosynthesis,Internal Fracture Fixation,Internal Fracture Fixations,Osteosyntheses, Fracture

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