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The aim of this study is to observe the effect of adjustable headrests on ventilation function in overweight and obese patients through clinical experiments, and to explore the impact on the incidence of hypoxemia during painless curettage in overweight and obese patients.
Participants will be randomly allocated to three groups: the supine head-straight position group(Group A), the supine head-lateral position group(Group B), and the adjustable headrest group(Group C). These three groups of patients underwent painless curettage surgery in the daytime operating room and the occurrence of hypoxemia will be observed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| the adjustable headrest group: placing an adjustable pillows on the head | Experimental | the adjustable headrest group: placing an adjustable pillows on the patient's head to align the patient's external auditory canal horizontally with the sternum |
|
| the supine head-lateral position group | Active Comparator | the supine head-lateral position group: during the perioperative period, keep the patient's head tilted to the left or right |
|
| the supine head-straight position group | Placebo Comparator | the supine head-straight position group: during the perioperative period, keep the patient's head upright |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| the supine head-lateral position group | Other | the supine head-lateral position group: during the perioperative period, keep the patient's head tilted to the left or right |
|
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of hypoxemia | Incidence of hypoxemia will be recorded after anesthesia induction | 1,2 and 3 minutes after anesthesia induction |
| Respiratory rate and oxygen saturation | Respiratory rate and oxygen saturation will be recorded at 4 time points, including the time of entering the daytime operating room(Time 0), 1 minute after anesthesia induction(Time 1), 2 minute after anesthesia induction(Time 2), 3 minute after anesthesia induction(Time 3), 1 minute after the patient wakes up(Time 4) | The time of entering the daytime operating room, intraoperative period., 1 minute after the patient wakes up |
| Measure | Description | Time Frame |
|---|---|---|
| Heart rate and blood pressure | heart rate and blood pressure will be recorded at 4 time points, including the time of entering the daytime operating room(Time 0), 1 minute after anesthesia induction(Time 1), 2 minute after anesthesia induction(Time 2), 3 minute after anesthesia induction(Time 3), 1 minute after the patient wakes up(Time 4) | The time of entering the daytime operating room, intraoperative period, 1 minute after the patient wakes up |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| NaLi, MD | Contact | +862763490107 | lina@hbfy.com |
| Name | Affiliation | Role |
|---|---|---|
| Na Li NaLi, MD | Maternal and Child Health Hospital of Hubei Province | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Maternal and Child Health Hospital of Hubei Province | Recruiting | Wuhan | Hubei | 430000 | China |
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| the adjustable headrest group | Other | the adjustable headrest group: placing an adjustable pillows on the patient's head to align the patient's external auditory canal horizontally with the sternum |
|
| the supine head-straight position group | Other | the supine head-straight position group: during the perioperative period, keep the patient's head upright |
|