Lmd In Dextrose
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Questions & Answers
Side Effects & Adverse Reactions
Although infrequent, severe and fatal anaphylactoid reactions consisting of marked hypotension or cardiac and respiratory arrest have been reported, most of these reactions have occurred in patients not previously exposed to intravenous dextran and early in the infusion period. It is strongly recommended, therefore, that patients not previously exposed to dextran be observed closely during the first minutes of the infusion period.
Anaphylactoid Reactions
There have been rare reports of serious and life-threatening dextran-induced anaphylactoid reactions (DIAR) associated with Dextran 40 and Dextran 70 administration. To reduce the likelihood of DIAR, 20 mL dextran 1 should be administered prior to infusion of Dextran 40 or Dextran 70 consistent with the dextran 1 package insert.1-5 See DOSAGE AND ADMINISTRATION. Investigators have reported a 35-fold decrease (from 1:2000 to 1:70,000) in the incidence of DIAR following prophylactic use of dextran 1.6 However, serious and life-threatening reactions may still occur following initiation of an infusion of any clinical dextran (see ADVERSE REACTIONS).
Because of the seriousness of anaphylactoid reactions, it is recommended that the infusion of intravenous dextran be stopped at the first sign of an allergic reaction provided that other means of sustaining the circulation are available. Resuscitative measures should be readily available for emergency administration in the event such a reaction occurs. In circulatory collapse due to anaphylaxis, rapid volume substitutions with an agent other than dextran should be instituted.
Because LMD (dextran 40) is a hypertonic colloid solution, it attracts water from the extravascular space. This shift of fluid should be considered if the drug is used for poorly hydrated patients where additional fluid therapy will be needed. If LMD is given in excess, vascular overload could occur. The latter possibility can be avoided with careful clinical monitoring preferably by central venous pressure.
Renal excretion of LMD causes elevations of the specific gravity of the urine. In the presence of adequate urine flow only minor elevation will occur, whereas in patients with reduced urine output, urine viscosity and specific gravity can be increased markedly. Since urine osmolarity is only slightly increased by the presence of dextran molecules, it is recommended that, when desired, a patient’s state of hydration be assessed by determination of urine or serum osmolarity. If signs of dehydration are present, additional fluid should be administered. An osmotic diuretic such as mannitol also can be used to maintain an adequate urine flow.
Although numerous studies attest to the “nephrotonic” effect of LMD, renal failure has been reported to occur after the use of LMD.
Evidence of tubular vacuolization (osmotic nephrosis) has been found following LMD administration in animals and man. While this appears to be reversible experimentally in animals and to be a consequence of high urine concentration of the drug, its exact clinical significance is presently unknown.
Occasional abnormal renal and hepatic function values have been reported following administration of LMD. However, the specific effect of LMD on renal and hepatic function could not be determined because most of the patients also had undergone surgery or cardiac catheterization. A comparative study of dextran 40 and 5% dextrose in water as pump-priming fluids in open-heart surgery has shown similar elevations of serum glutamic oxaloacetic transaminase (SGOT), aspartate aminotransferase and serum glutamic pyruvic transaminase (SGPT), alanine aminotransferase values in both groups.
Caution should be employed when LMD is administered to patients with active hemorrhage as the resulting increase in perfusion pressure and improved microcirculatory flow may result in additional blood loss.
Administering infusions of LMD that exceed the recommended dose should be avoided, since a dose-related increase in the incidence of wound hematoma, wound seroma, wound bleeding, distant bleeding (hematuria and melena) and pulmonary edema has been observed. Recommended doses should never be exceeded in patients with advanced renal disease, since excessive doses may precipitate renal failure.
Dextran may interfere to some extent with platelet function and should be used with caution in cases with thrombocytopenia. Transient prolongation of bleeding time and/or slightly increased bleeding tendency may occur with the administration of doses greater than 1,000 mL. Care should be taken to prevent a depression of hematocrit below 30% by volume. When large volumes of dextran are administered, plasma protein levels will be decreased.
Solutions containing sodium ions should be used with great care, if at all, in patients with congestive heart failure, severe renal insufficiency and in clinical states in which there exists edema with sodium retention.
The intravenous administration of this solution can cause fluid and/or solute overloading resulting in dilution of serum electrolyte concentrations, overhydration, congested states or pulmonary edema. The risk of dilutional states is inversely proportional to the electrolyte concentrations of administered parenteral solutions.
The risk of solute overload causing congested states with peripheral and pulmonary edema is directly proportional to the electrolyte concentrations of such solutions.
In patients with diminished renal function, administration of solutions containing sodium ions may result in sodium retention.
Legal Issues
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FDA Safety Alerts
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Manufacturer Warnings
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FDA Labeling Changes
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Uses
LMD (dextran 40) is indicated for use in the adjunctive treatment of shock or impending shock due to hemorrhage, burns, surgery or other trauma. It is not indicated as a replacement for whole blood or blood components if they are available. It should not replace other forms of therapy known to be of value in the treatment of shock.
LMD is also indicated for use as a priming fluid, either as a sole prime or as an additive, in pump oxygenators during extracorporeal circulation.
LMD is also indicated for use in prophylaxis of venous thrombosis and pulmonary embolism in patients undergoing procedures known to be associated with a high incidence of thromboembolic complications, such as hip surgery.
History
There is currently no drug history available for this drug.
Other Information
LMD (dextran 40) is a sterile, nonpyrogenic preparation of low molecular weight dextran (average mol. wt. 40,000) in 5% Dextrose Injection or 0.9% Sodium Chloride Injection. It is administered by intravenous infusion.
Also described as low viscous or low viscosity dextran, dextran 40 is prepared by acid hydrolysis and differential fractionation of a crude macromolecular polysaccharide produced from the fermentation of sucrose by the bacterium, Leuconostoc mesenteroides (strain B-512). The crude material is composed of linked glucose units. In the fraction represented by dextran 40, 80% of the molecules have a molecular weight ranging from 10,000 to 90,000 (average approximately 40,000) when measured by a light scattering method. More than 90% of the linkages are of the 1,6 alpha glucosidic, straight chain type.
Each 100 mL of 10% LMD (dextran 40) in 5% Dextrose Injection contains 10 g dextran 40 and 5 g dextrose hydrous in water for injection. Total osmolar concentration is 255 mOsmol/liter (calc.); pH is 4.4 (3.0 to 7.0).
Each 100 mL of 10% LMD (dextran 40) in 0.9% Sodium Chloride Injection contains 10 g dextran 40 and 0.9 g sodium chloride in water for injection. Total osmolar concentration is 310 mOsmol/liter (calc.); pH is 4.9 (3.5 to 7.0) (may contain sodium hydroxide and/or hydrochloric acid for pH adjustment). Electrolyte concentration per liter: Na+ 154 mEq; Cl- 154 mEq (not including ions for pH adjustment).
The solutions contain no bacteriostat, antimicrobial agent or added buffers (except for pH adjustment) and are intended only for single-dose injection. When smaller doses are required the unused portion should be discarded.
10% LMD (dextran 40) is an artificial colloid pharmacologically classified as a plasma volume expander; 5% Dextrose Injection is a fluid and nutrient replenisher; 0.9% Sodium Chloride Injection is a fluid and electrolyte replenisher.
Dextran 40 is a linear glucose polymer (polysaccharide) chemically designated (C6 H10 O5)n.
The structural formula for dextran (repeating unit) is:
Dextrose, USP is chemically designated D-glucose monohydrate (C6 H12 O6 • H2O), a hexose sugar freely soluble in water.
Sodium Chloride, USP is chemically designated NaCl, a white crystalline powder freely soluble in water.
Water for Injection, USP is chemically designated H2O.
The flexible plastic container is fabricated from a specially formulated polyvinylchloride. Water can permeate from inside the container into the overwrap but not in amounts sufficient to affect the solution significantly. Solutions inside the plastic container also can leach out certain of the chemical components of the plastic in very small amounts before the expiration period is attained. However, safety of the plastic has been confirmed by tests in animals according to USP biological standards for plastic containers.
Sources
Lmd In Dextrose Manufacturers
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Hospira, Inc.
![Lmd In Dextrose (Dextran 40) Injection, Solution Lmd In Sodium Chloride (Dextran 40) Injection, Solution [Hospira, Inc.]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Lmd In Dextrose | Hospira, Inc.
LMD (dextran 40) is administered by I.V. infusion only.
Dextran 1 should be administered prior to administration of clinical dextran solutions.
1. In shock, it is suggested that total dosage not exceed 20 mL/kg for adults and adolescents, during the first 24 hours. The first 10 mL/kg may be infused as rapidly as necessary to effect improvement. It is strongly recommended that central venous pressure be monitored frequently during the initial infusion of the drug. Should therapy continue beyond 24 hours, subsequent dosage should not exceed 10 mL/kg per day and therapy should not continue beyond five days. 2. In extracorporeal perfusion, the dosage of LMD used will vary with the volume of the pump oxygenator. LMD can serve as a sole primer or as an additive to other priming fluids. For adults and adolescents, generally 10 to 20 mL of a 10% solution (1 to 2 g) of LMD per kilogram of body weight are added to the perfusion circuit. Usually total dosage should not exceed 2 g/kg of body weight. 3. In prophylaxis of venous thrombosis and thromboembolism, the dosage of LMD for adults and adolescents, should be chosen according to the risk of thromboembolic complications, e.g., type of surgery and duration of immobilization. In general, treatment should be initiated during surgery; 500 to 1,000 mL (approximately 10 mL/kg of body weight) should be administered on the day of operation. Treatment should be continued at a dose of 500 mL daily for an additional two to three days; then, according to the risk of complications, 500 mL may be given every second or third day during the period of risk, for up to two weeks. 4. Infants may be given 5 mL per kg body weight and children 10 mL per kg.Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. See PRECAUTIONS.
Note: When infusing concentrated LMD, the administration set should include a filter.
Instructions for use
To Open
Tear outer wrap at notch and remove solution container. Some opacity of the plastic due to moisture absorption during the sterilization process may be observed. This is normal and does not affect solution quality or safety. The opacity will diminish gradually.
Preparation for Administration
(Use aseptic technique)
1. Close flow control clamp of administration set. 2. Remove cover from outlet port at bottom of container. 3. Insert piercing pin of administration set into port with a twisting motion until the set is firmly seated. Note: See full directions on administration set carton. 4. Suspend container from hanger. 5. Squeeze and release drip chamber to establish proper fluid level in drip chamber. 6. Open flow control clamp and clear air from set. Close clamp. 7. Attach set to venipuncture device. If device is not indwelling, prime and make venipuncture. 8. Regulate rate of administration with flow control clamp.WARNING: Do not use flexible container in series connections.
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