The primary aim of the current study will be to determine if the use of an underbody heating mattress during cesarean sections will decrease the incidence of postoperative hypothermia, defined as core temperature less than 36C, and if hypothermia occurs, time to normothermia. As part of the primary outcome the difference in the incidence of shivering, its severity, and need for treatment will be investigated. As a secondary goal other maternal perioperative outcomes will be studied i.e. estimated blood loss, change in hemoglobin level on the morning after surgery ie postop day 1, need for blood transfusion, rate of wound infections, length of hospital stay, maternal satisfaction, time to first breastfeeding, time to first 'skin to skin' contact. The relationship between maternal hypothermia and newborn outcomes of temperature and APGAR scores will also be evaluated. Active preoperative and intraoperative warming may prevents inadvertent perioperative hypothermia and may be beneficial for pregnant patients undergoing cesarean delivery. The underbody warming mattress may be a step towards finding a suitable form of warming that is comfortable for awake patients, does not interfere with skin to skin contact and maternal-fetal bonding.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
19
Use of VitaHeat underbody heating mattress will be used for the intervention arm to reduce hypothermia post operatively
Cedars Sinai
Los Angeles, California, United States
Temperature
Temperature at time of post anesthesia care unit admission
Time frame: 15 minute intervals until normothermic, up to 45 minutes after admission Post Anesthesia Care Unit
Number of Participants With Shivering
Shivering at time of post anesthesia care unit admission
Time frame: 15 minute intervals until no shivering, up to 45 minutes after admission Post Anesthesia Care Unit
Vitals: Heart Rate
Vitals: Heart Rate from preoperative through end of post anesthesia recovery unit
Time frame: Preop up to 45 minutes after admission Post Anesthesia Care Unit, 15 min intervals
Blood Loss
Estimated blood loss with and without warming
Time frame: Documented at the end of 2 hour surgical procedure
Time to Neonatal Bonding
time to neonatal bonding as skin to skin
Time frame: time from delivery to first maternal contact during the 2 hour surgical procedure
Thermal Comfort Visual Analog Scale
Thermal comfort visual analog scale with scores 0-100 with 50 being temperature comfort/neutral, 100 being hottest, 0 being cold
Time frame: Preop up to 45 minutes after admission Post Anesthesia Care Unit, 15 min intervals
Vitals: Oxygen Saturation
Vitals: Oxygen Saturation from preoperative through end post anesthesia recovery unit
Time frame: Preop up to 45 minutes after admission Post Anesthesia Care Unit, 15 min intervals
Vitals: Blood Pressure
Vitals: blood pressure as mean arterial pressure
Time frame: Preop up to 45 minutes after admission Post Anesthesia Care Unit, 15 min intervals
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