Using prospective real-world data, this study aims to determine whether the lateral decubitus position reduces the incidence of post-procedure hypoxemia in patients undergoing painless gastroscopy/colonoscopy, thereby providing a simple, non-invasive, and low-cost optimization strategy for clinical practice.
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Eligibility Criteria
Inclusion Criteria:
1. Age ≥ 18 years.
2. Both sexes.
3. American Society of Anesthesiologists (ASA) physical status classification I-III.
4. Scheduled for combined painless esophagogastroduodenoscopy/colonoscopy or either of the two procedures.
5. Ability to understand the study protocol and provi…
Inclusion Criteria:
1. Age ≥ 18 years.
2. Both sexes.
3. American Society of Anesthesiologists (ASA) physical status classification I-III.
4. Scheduled for combined painless esophagogastroduodenoscopy/colonoscopy or either of the two procedures.
5. Ability to understand the study protocol and provide written informed consent.
6. A broad set of inclusion criteria was adopted to enroll a patient population that better reflects routine clinical practice. The study aimed to enhance the generalizability of the findings by including patients with various comorbidities, such as preprocedural hypoxemia (room-air SpO₂ ≤ 90%), history of pulmonary surgery, obstructive sleep apnea (OSA), and other pulmonary conditions (including asthma, COPD, chronic bronchitis, emphysema, and pulmonary bullae).
Exclusion Criteria:
1. Severe cardiovascular or cerebrovascular diseases.
2. Pregnant patients.
3. History of hypersensitivity to ciprofol.
Withdrawal Criteria:
1. Endotracheal intubation required during the procedure.
2. Voluntary withdrawal requested by the patient or their legal representative.
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