Clinical and Economic Analysis of Morphine Versus Fentanyl in Managing Ventilated Neonates With Respiratory Distress Syndrome in the Intensive Care Setting
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Purpose: Morphine and fentanyl opioids are common analgesic agents for consideration in the neonatal intensive care unit (NICU) for neonates with respiratory distress syndrome (RDS) and undergoing mechanical ventilation (MV). The aim of this study was to evaluate the clinical and economic impact of morphine versus fentanyl in neonates with RDS undergoing MV. Methods: Retrospective cost-effectiveness analysis of critically ill neonates with RDS receiving standard doses of morphine versus fentanyl at Women's Wellness and Research Center, Qatar. Clinical data of neonates were extracted from medical records of patients from 2014 to 2016. A decision analytic model based on the hospital's perspective was constructed to follow possible consequences of the initial dosing of analgesia, before potential titration. Primary end points were successful pain relief rate based on the Premature Infant Pain Profile scale and overall direct medical cost of therapy. Study population of 126 neonates was used to achieve results with 80% power and 0.05 significance. Sensitivity analysis was conducted to enhance robustness of conclusions against input uncertainties and to increase generalizability of results. Findings: Morphine achieved a success of 68% versus 43% with fentanyl (risk ratio = 1.72; 95% CI, 1.16 2.56; P = 0.0075). Morphine was associated with a minimal incremental cost-effectiveness ratio of USD 135 per additional case of successful pain relief over fentanyl. Higher morphine cost was reported in 2% of cases. Sensitivity analysis found model insensitivity to input uncertainties except NICU stay and cost of MV. Implications: This is the first cost-effectiveness evaluation of morphine versus fentanyl in the NICU. Morphine significantly improved the relieve of pain over fentanyl. It had 98% probability of dominance over fentanyl. Results in this study support the use of morphine over fentanyl as first-line monotherapy with MV in NICU settings.
- Pharmacy Research [329 items ]