Using adjustable headrests to improve breathing during painless surgery for overweight patients

A Study on Application of Adjustable Headrest in Painless Curettage Surgery for Overweight and Obese Patients: a Randomized Controlled Trial

Not applicable Interventional Maternal and Child Health Hospital of Hubei Province · NCT06929000

This study is testing if using adjustable headrests can help overweight patients breathe better and stay safe during painless surgery.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment300 (estimated)
Ages20 Years to 50 Years
SexFemale
SponsorMaternal and Child Health Hospital of Hubei Province Academic / other
Locations1 site (Wuhan, Hubei)
Trial IDNCT06929000 on ClinicalTrials.gov

What this trial studies

This study investigates the effects of adjustable headrests on ventilation function in overweight and obese patients undergoing painless curettage surgery. Participants will be randomly assigned to one of three groups: a supine head-straight position, a supine head-lateral position, or an adjustable headrest. The primary focus is to observe the incidence of hypoxemia during the procedure across these different positioning methods. The goal is to determine if the adjustable headrest can enhance patient safety and comfort during surgery.

Who should consider this trial

Good fit: Ideal candidates for this study are overweight or obese patients with a body mass index greater than 24 who are seeking painless surgical abortion.

Not a fit: Patients with abnormal lung function, respiratory diseases, or other specified exclusions may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly reduce the risk of hypoxemia in overweight and obese patients during surgical procedures.

How similar studies have performed: While this specific approach is novel, similar studies have explored the impact of patient positioning on surgical outcomes, suggesting potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* patients who choose to have painless surgical abortion
* Body mass index greater than 24
* the American Society of Anesthesiologists (ASA) physical status ranked I-II
* competent to provide informed consent

Exclusion Criteria:

* Abnormal lung function or respiratory system diseases
* Airway obstruction or respiratory malformation
* cervical spondylosis
* psychiatric disorders

Where this trial is running

Wuhan, Hubei

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Adjustable HeadrestsVentilation FunctionObese Patients
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.