The goal of this observational study is to learn more about the effect of obstetric epidural anesthesia on regional lung ventilation in healthy parturient women. The main question it aims to answer is whether the initiation or epidural analgesia improves or not regional lung ventilation in healthy women at term during labor.
Participants will be subject to measurements of pulmonary impedance by electric impedance tomography before and after the start of epidural analgesia. No change will be applied to clinical care as a result of this measurement.
At-term pregnancy (at least 36 weeks)
ASA class I-II
American Society of Anesthesiologists (ASA) Class III or more
BMI>35 before pregnancy
Contraindication to routinely administrated drugs (levobupivacaine, lidocaine, sufentanil)
Contraindication to epidural analgesia
The study will include healthy pregnant patients that come for spontaneous or induced labor at the hospital's delivery room.
Case-only
Prospective
Not listed
Regional lung ventilation (ROI 1-4)
Assess regional ventilation as measured by electric impedance in each of the 4 Regions Of Interest (from anterior to posterior) in which the lung is divided, before and after epidural analgesia
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This trial is not recruiting at the moment. You can still explore other options:
