Prevention of maternal hypothermia after scheduled cesarean delivery under spinal anesthesia with active warming of intravenous fluids: an exploratory double-blind randomized controlled trial (CESAR-RESOL2)
Primary resultResult — go to the resultRelative risk 0.74 95% CI 0.53–1.02Authors' conclusion
Active fluid warming reduces the incidence of hypothermia after cesarean delivery, although the study was underpowered to detect a significant difference.
Study context
- Population
- Patients undergoing scheduled cesarean delivery with spinal anesthesia and intrathecal morphine
- Participants
- 35 vs 35
- Comparison
- Active IV fluid warming vs no active warming
- Interventionn = 35
- Controln = 35reference
- Primary endpoint
- Maternal hypothermia (temperature < 36 °C)
- Follow-up
- PACU arrival
Methodological detailsdouble-blind, exploratory
- Double-blind
- Exploratory
Primary result
As reported in the abstract
Relative risk
0.74
95% CI 0.53–1.02
P = 0.056
By group
Intervention vs Control
RR 0.74 (95% CI 0.53–1.02); P = 0.056
Further findings
Mean maternal temperature at PACU arrival · significantly higher in the intervention group
P = 0.005
Shivering, thermal discomfort, neonatal outcomes
- No significant differences
Original publication
Prevention of maternal hypothermia after scheduled cesarean delivery under spinal anesthesia with active warming of intravenous fluids: an exploratory double-blind randomized controlled trial (CESAR-RESOL2). Int J Obstet Anesth. Published 11 June 2026. doi:10.
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