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Clinical Trial Summary

Epidural and spinal anesthesia techniques are frequently used all over the world in elective cesarean section operations. To evaluate the effects of epidural and spinal anesthesia techniques applied in cesarean section surgery on neonatal cerebral oxygenation using Near Infrared Spectroscopy (NIRS).


Clinical Trial Description

In all newborns, cerebral oxygen goes through a complex process as it moves from the fetus to the newborn stage. The type of delivery, anesthesia management, maternal factors before and during birth, and fetal malformations vary in the time it takes for arterial oxygen saturation to reach the expected level in the transition from the fetus to the newborn stage. NIRS is a regional oxygenation monitoring technique and measures regional oxygen saturation. NIRS can also be used as a non-invasive monitoring technique for cerebral oxygenation and hemodynamics. The transparency of tissue to infrared light (spectrum 700-1000 nm) and the formation of oxygenated hemoglobin (O2Hb) and deoxygenated hemoglobin in cerebral blood vessels within the infrared light. It is based on absorption by (HHb). Hypotension due to sympathetic system blockade is a common finding in neuraxial blocks. Preventing hypotension in pregnancy and prompt intervention when it develops are important to prevent fetal complications. Determining the best neuraxial method in terms of hemodynamics will guide clinicians in practical use. 80 pregnant women between the ages of 18-35 who are scheduled for cesarean section and newborns after cesarean section will be included in the study. Study randomization will be done in sealed envelopes using computer generated randomization codes by a doctor who will not be involved in newborn baby care. For the quality and standardization of the block, it will be performed by an anesthesiologist experienced in spinal and epidural anesthesia. Pregnant heart rate, blood pressure, and saturation values are recorded at regular intervals, and when there is a 25% or more decrease in blood pressure compared to the initial value, iv ephedrine will be administered to the patient. If the heart rate is 25% and In case of a fall on the baby, iv atropine will be administered. After birth, the newborn will be placed in a pre-heated radiant warmer and normal newborn care will be provided by the newborn team, as is done routinely. A NIRS probe and a right-hand transcutaneous pulse oximeter (spO2) will be attached to the left and right frontal regions of the newborn by another anesthetist (anesthesia technique: blind) participating in the study, other than the person performing the neuraxial block, and the measurements will be recorded by the same person. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06316596
Study type Interventional
Source Bursa Yüksek Ihtisas Education and Research Hospital
Contact Ahsen Gür Çelik
Phone +905071213621
Email gurahsen@gmail.com
Status Not yet recruiting
Phase N/A
Start date April 1, 2024
Completion date May 1, 2024

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