Lactated Ringerâ€™s IrrigationBaxter Sterile Container System |
Lactated Ringerâ€™s Irrigation in the Baxter Sterile Container System is a sterile, nonpyrogenic, isotonic solution for the preparation of slushed solution. It contains no antimicrobial agents. Composition, osmolarity, pH, ionic concentration and caloric content are shown in Table 1.
The Baxter Sterile Container System is designed to provide a slush container with asterile exterior surface for use within the surgical field. Within the overwrap, the unit is packaged in a dispensing bag which maintains the sterility of this surface.
The flexible plastic slush container is fabricated from a specially formulated polyvinyl chloride (PL 146 Plastic). The amount of water that can permeate from inside the container into the overwrap is insufficient to affect the solution significantly. Solutions in contact with the plastic container can leach out certain of its chemical components in very small amounts within the expiration period, e.g., di-2-ethylhexyl phthalate (DEHP), up to 5 parts per million. However, the safety of the plastic has been confirmed in tests in animals according to USP biological tests for plastic containers as well as by culture toxicity studies.
|Size (mL)||Composition (g/L)||Osmolarity (mOsmol/L) (calc)||pH||Ionic Composition (mEq/L)||Caloric Content (kcal/L)|
|Sodium Chloride, USP, (NaCl)||Sodium Lactate, (C3H5NaO3)||Potassium Chloride, USP, (KCl)||Calcium Chloride, USP (CaCl2Â·2H2O)||Sodium||Potassium||Calcium||Chloride||Lactate|
|Lactated Ringerâ€™s Irrigation||1000||6||3.1||0.3||0.2||273||6.5|
(6.0 to 7.5)
Slushed solution is used to induce regional hypothermia in conditions such as certain open heart and kidney surgical procedures by direct application of slushed solution. The objective of regional hypothermia is to reduce cellular metabolic activity so that body tissues can tolerate a period of total or relative ischemia thereby inhibiting the formation and buildup of destructive autolytic enzymes and anaerobic by-products usually produced and accumulated in ischemic tissues.
INDICATIONS AND USAGE
Slushed solution is used to create regional hypothermia in order to reduce and minimize manifestations of warm-temperature ischemia. Temperature probes may be used to determine requirements for replacement or addition of slushed solution.
Not for injection. For use in slush preparation for regional hypothermia.
Avoid prolonged direct contact between ice crystals and body tissues.
Experience in use of slushed solutions in pediatrics is limited.
Carcinogenesis and Mutagenesis and Impairment of Fertility
Studies performed with slushed Lactated Ringerâ€™s Irrigation have not been performed to evaluate carcinogenic potential, mutagenic potential, or effects on fertility.
Animal reproduction studies have not been conducted with slushed Lactated Ringerâ€™s Irrigation. It is also not known whether slushed Lactated Ringerâ€™s Irrigation can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Slushed Lactated Ringerâ€™s Irrigation should be given to a pregnant woman only if clearly needed.
It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when slushed Lactated Ringerâ€™s irrigation is administered to a nursing mother.
Safety and effectiveness of slushed Lactated Ringerâ€™s Irrigation in pediatric patients have not been established by adequate and well controlled trials; however, the use of electrolyte solutions in the pediatric population is referenced in the medical literature.
The warnings, precautions and adverse reactions identified in the label copy should be observed in the pediatric population.
Do not administer unless seals of outer dispensing bag are intact.
No serious adverse reactions are known.
DOSAGE AND ADMINISTRATION
The volume of slushed solution required will vary with patientâ€™s age, clinical condition, cooling effect desired and duration of cooling effect desired, according to physicianâ€™s instructions.
Lactated Ringerâ€™s Irrigation in the Baxter Sterile Container System is supplied as follows:
Exposure of pharmaceutical products to heat should be minimized. Avoid excessive heat. Avoid freezing except during controlled slushing procedure. It is recommended that this product be stored at room temperature (25ÂºC); brief exposure up to 40ÂºC does not adversely affect this product.
The following instructions are intended only as guidelines for the preparation of slush using the Baxter Sterile Container System.
The specific procedure necessary to achieve the desired slush consistency will depend on the type of freezer used, location of the product in the freezer, and the utilization of freezer capacity.
1. Remove product from shipping carton and place in freezer at a temperature between minus 4Â°C and minus 15Â°C for 2 to 6 hours.
Note: A pre-cooled product will require less time to slush.
2. During the freezing process, remove product from freezer periodically and carefully massage to break up large frozen chunks of solution.
3. Return product to freezer and repeat procedure until desired slush consistency is obtained.
A. To prepare unit outside the surgical field.
1. Tear overwrap down side at slit and remove dispensing bag which contains the slush container.
2. Allow unit to stand at room temperature for approximately 10 minutes to allow container material to regain flexibility.
3. Check that all the seals of the dispensing bag are intact including the tamper evident button. If any broken seals or holes are detected, discard unit as sterility may be impaired.
4. Grasp tab of dispensing bag and peel open (Figure 1). Remove wrapped inner slush container.
5. Grasp point of sterile transfer wrap (Figure 2), and pull forward then back to expose sterile slush container (Figure 3). Caution should be exercised to avoid touch contamination.
B. To transfer sterile slush container to the surgical field.
1. Using sterile gloved hands, remove slush container from the sterile transfer wrap (Figure 4). Place on surgical field or use immediately.
2. Grasp tab at top of slush container and peel directly across the width of the container with a steady motion (Figure 5).
3. Slush is ready for dispensing.
Baxter Healthcare Corporation
Deerfield, IL 60015 USA
07-19-04-502 Rev. October 2003
BAXTER and PL 146 are trademarks of Baxter International Inc.
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