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(C) Vancouver
General Hospital.
This monograph may not be reproduced without permission.
For further information, please contact a Pharmacist. |
NAME OF DRUG
dextran 40
CLASSIFICATION
Plasma volume expander
ALTERNATE NAMES
RHEOMACRODEX, MACRODEX, GENTRAN
INDICATIONS
- to improve local circulation in various conditions, especially peripheral vascular
occlusion or reconstruction
- plasma volume expansion during hypovolemic shock due to surgery or trauma
- prophylaxis of post-operative and post-traumatic thromboembolism
RECONSTITUTION AND STABILITY
- stable at room temperature
COMPATIBILITY
- compatible with NS, D5W
- compatible with amikacin, aminophylline, cefamandole, cloxacillin, epinephrine,
erythromycin, gentamicin, heparin, hydrocortisone, piperacillin, ranitidine, sodium
bicarbonate, tobramycin, vancomycin, verapamil, vitamin B with C
- incompatible with ampicllin, promethazine
ROUTES OF ADMINISTRATION
VH & HSC ADMINISTRATION POLICY
DOSAGE
Disturbances of arterial or venous circulation
- dextran 40 - 500-1000 mL (10-20 mL/kg) in first 24 hours; thereafter 500 mL every 1-2
days for up to 2 weeks
Thromboembolism prophylaxis
- dextran 40 - 500-1000 mL (10-20 mL/kg) on day of surgery, then 500 mL daily x 2-3 days,
then 500 mL every 2-3 days for up to 2 weeks
Shock
- dextran 40 - initially 500-1000 mL (10-20 mL/kg) infused as rapidly as needed; may
follow with 500 mL (10 mL/kg) during the same 24 hour period; thereafter 500 mL (10 mL/kg)
may be repeated daily for up to 5 days
dosage adjustment may be necessary in patients with renal insufficiency
POTENTIAL HAZARDS OF PARENTERAL ADMINISTRATION
- acute renal failure, hemorrhage due to thrombocytopenia or interferences with
coagulation proteins
- hypersensitivity reactions including generalized urticaria, tightness of chest,
wheezing, hypotension, nausea and vomiting
IMPORTANT IMPLICATIONS
-
urine output should be monitored
- monitor for signs of circulatory overload
- contraindicated with marked thrombocytopenia or a bleeding diathesis
- use caution when administered to patients with heart failure or those patients at
risk of overloading the circulation
Revised June 2008