C-Section anesthesia study: which is safer for the heart?
NCT ID NCT07524296
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed study looked at 50 pregnant women having planned C-sections to see whether spinal or general anesthesia has less effect on the heart's electrical activity (QTc interval). Participants received one type of anesthesia and were monitored with an ECG. The goal was to help doctors choose the safer option for the heart during delivery.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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50 people
The number who actually took part.
- Started
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Oct 2023
- Finished
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Feb 2024
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * pregnant women who scheduled for an elective cesarean section delivery Exclusion Criteria: * baseline QTc \>440 ms, use of medications that affect the QTc interval, family history of long QT syndrome, electrocardiographic evidence of arrhythmia and/or conduction abnormalities, or the presence of a permanent pacemaker, contraindications to spinal anesthesia (high intracranial pressure, injection site infection, coagulation disorders, severe hypovolemia, aortic and/or mitral stenosis), history of spinal surgery, congenital spinal deformity or neuromuscular disease, anemia, electrolyte imbalance, significant cardiopulmonary/hepatic/renal disesase, obesity (Body Mass Index \> 30 kg/m2), an American Society of Anesthesiologists (ASA) physical classification ≥III or refusal to participate.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Haseki Traininng and Research Hospital
Istanbul, Turkey (Türkiye)
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