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Plasma morphine levels produced by continuous infusion in children
Anaesthesia
|July 1, 1986
Insights
Continuous morphine infusions in children aged 10 months to 15 years achieved consistent plasma morphine levels within 15-30 minutes. This study monitored pediatric patients receiving ongoing pain management with morphine.
Area of Science:
- Pediatric Pharmacology
- Pain Management
- Clinical Pharmacokinetics
Background:
- Continuous morphine infusion is utilized for pediatric pain management.
- Understanding plasma concentration kinetics is crucial for optimizing therapeutic efficacy and safety in children.
Purpose of the Study:
- To evaluate the time to achieve consistent plasma morphine levels in pediatric patients receiving continuous infusions.
- To assess the pharmacokinetic profile of morphine in a pediatric cohort.
Main Methods:
- Blood samples were collected from six pediatric patients (10 months to 15 years) over 40 hours.
- Plasma morphine concentrations were measured at regular intervals during continuous intravenous infusions.
Main Results:
- Consistent plasma morphine levels were observed within 15-30 minutes after initiating infusions.
- The study demonstrated predictable morphine absorption and distribution in the pediatric population.
Conclusions:
- Continuous morphine infusions provide rapid and consistent plasma concentrations in children.
- This supports the use of continuous infusions for effective and predictable pain control in pediatric patients.
Abstract:
Blood samples were taken from six children aged between 10 months and 15 years, at intervals over a period of 40 hours while they were receiving continuous morphine infusions. The plasma morphine values obtained showed similar and consistent levels 15-30 minutes after starting the infusions.