Document Detail

Effect of dihydroergotamine on leg blood flow during combined epidural and general anaesthesia and postoperative deep vein thrombosis after cholecystectomy.
MedLine Citation:
PMID:  8100105     Owner:  NLM     Status:  MEDLINE    
The effects of dihydroergotamine (DHE) on the circulation of the leg during combined epidural and general anaesthesia were studied to determine if DHE would enhance leg blood flow and prevent postoperative deep vein thrombosis in a double-blind trial of 40 elderly female patients subjected to cholecystectomy. Central and big toe temperature, arterial blood pressure, heart rate, calf volume and arterial inflow of the leg by electrical impedance plethysmography and the venous outflow by Doppler method were measured. DHE 0.5 mg subcutaneously reduced the volume of the leg, i.e. increased the electrical impedance, probably due to venous vasoconstriction. Simultaneously the need for etilefrine hydrochloride was reduced. No significant changes in the pulsatile inflow of the leg or the outflow were detected. Deep vein thrombosis (DVT) was detected by fibrinogen uptake test in five patients (three in DHEH and two in the control group) and verified by ascending phlebography in four patients. Intraoperative characteristics in patients with postoperative DVT were tachycardia (P < 0.001), enhanced need for etilefrine (P < 0.01) and a more rapid increase in big toe temperature (P < 0.05) after induction of epidural analgesia, compared with patients without DVT. Femoral vein flow velocity remained at the preinduction level, whereas pulsatile arterial inflow slightly increased. Together with a low basal impendance of the leg, the changes were indicative of a more intense vasodilatation, probably leading to stagnant flow and development of postoperative deep vein thrombosis.
H Hendolin; E Poikolainen; M A Mattila; E Alhava; A Hänninen; E Puttonen; M Kataja
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Acta anaesthesiologica Scandinavica     Volume:  37     ISSN:  0001-5172     ISO Abbreviation:  Acta Anaesthesiol Scand     Publication Date:  1993 Apr 
Date Detail:
Created Date:  1993-07-22     Completed Date:  1993-07-22     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0370270     Medline TA:  Acta Anaesthesiol Scand     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  288-95     Citation Subset:  IM    
Department of Anaesthesia, Kuopio University Hospital, Finland.
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MeSH Terms
Anesthesia, Epidural*
Anesthesia, General*
Blood Flow Velocity / drug effects
Blood Pressure / drug effects
Body Temperature / drug effects
Cholecystectomy / adverse effects*
Dihydroergotamine / pharmacology*
Double-Blind Method
Etilefrine / administration & dosage,  therapeutic use
Femoral Vein / drug effects
Heart Rate / drug effects
Heparin / administration & dosage,  pharmacology
Leg / blood supply*
Plethysmography, Impedance
Pulsatile Flow / drug effects
Regional Blood Flow / drug effects
Stroke Volume / drug effects
Thrombophlebitis / etiology*
Reg. No./Substance:
511-12-6/Dihydroergotamine; 709-55-7/Etilefrine; 9005-49-6/Heparin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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