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Assessing the Safety of Sidestream End-Tidal Carbon Dioxide Monitoring during Ultrasound-Guided Transvaginal Oocyte Retrieval: A Randomized Controlled Trial

Application of Transnasal Microstream Capnography in Patients Undergoing Sedated Transvaginal Oocyte Retrieval

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500099612
Enrollment
Unknown
Registered
2025-03-26
Start date
2024-06-10
Completion date
Unknown
Last updated
2025-03-31

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Assisted Reproductive Technology

Interventions

Control group:Routine anesthesia ECG monitoring and finger pulse oximetry monitoring
Experimental Group:In addition to routine anesthesia monitoring, nasal cannula micro-stream PETCO2 monitoring is implemented to assess patients' ventilation status by observing PETCO2 values and wavef

Sponsors

Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Female patients aged >=18 years; 2. BMI between 18 and 25 kg/m²; 3. Classified as ASA physical status I–II by the American Society of Anesthesiologists (ASA); 4. No history of anesthesia drug allergies and no severe cardiopulmonary diseases.

Exclusion criteria

Exclusion criteria: 1. Patients with severe dysfunction of vital organs such as the heart, lungs, or kidneys; 2. Patients with neurological or psychiatric disorders; 3. Preoperative SpO2 < 95%; 4. Predicted difficult airway.

Design outcomes

Primary

MeasureTime frame
The number of cases where the surgical procedure was affected due to the patient's excessive abdominal breathing amplitude during the operation;

Secondary

MeasureTime frame
Number of abnormal blood oxygen saturation during surgery in the two groups;The number of artificial interventions (jaw support, mask oxygen, artificial airway placement);Surgeons' satisfaction with anesthesia cooperation;Total dose of propofol;Operation time;Anesthesia wake time;

Countries

China

Contacts

Public ContactChen Chen

Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital

478177776@qq.com+86 173 6197 6015

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026