Hypoxemia
Conditions
Interventions
Patients Undergoing Gastrointestinal Endoscopy Under Anesthesia:none
Sponsors
Xiyuan Hospital of China Academy of Chinese Medical Sciences
Eligibility
Sex/Gender
All
Age
20 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. Age range 20 to 70 years old, no gender restriction. Populations of different age groups are included to improve the model's generalizability. 2. Clinical diagnosis Patients scheduled to undergo painless gastrointestinal endoscopy (including diagnostic and therapeutic procedures) at the collaborating research institutions (Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing Friendship Hospital Affiliated to Capital Medical University, etc.). 3. Anesthesia classification American Society of Anesthesiologists (ASA) physical status I or II, i.e., no underlying diseases or well-controlled underlying diseases (e.g., hypertension, diabetes mellitus, etc.) with blood pressure =160/100 mmHg and fasting blood glucose =7.8 mmol/L, and no severe organ dysfunction. 4. Informed consent Voluntarily participate in this study, understand the research purpose, procedures and potential risks, and sign a written informed consent form. 5. Cooperation requirements Able to cooperate with the collection of cephalofacial images in 5 standard preoperative positions (straight-ahead frontal view, frontal view with mouth open, frontal view with tongue protruded, straight-ahead lateral view, lateral view with maximal head extension in hyperextension position), and consent to data annotation and subsequent follow-up. 6. Basic conditions No facial malformations affecting cephalofacial image collection (e.g., severe facial trauma, malformation, extensive scarring, etc.), and no motor dysfunction of limbs that prevents proper body positioning.
Exclusion criteria
Exclusion criteria: 1. Patients with respiratory system diseases Those complicated with chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, active pulmonary inflammation, acute asthma attack, uncontrolled moderate to severe obstructive sleep apnea syndrome, or with a history of severe thoracic surgery. 2. Patients with mental and cognitive disorders Patients with confirmed chronic insomnia (=3 episodes per week for =1 month) or anxiety and depression disorders; or those with cognitive dysfunction who are unable to understand and cooperate with the research procedures or sign the informed consent form. 3. Special populations Pregnant or lactating women, or those with a history of substance abuse or alcohol dependence. 4. Patients with contraindications to the examination Those allergic to anesthetics required for painless gastrointestinal endoscopy (e.g., propofol, sufentanil) or other related drugs, or with absolute contraindications to gastrointestinal endoscopy (e.g., severe gastrointestinal perforation, massive hemorrhage, acute intestinal obstruction, etc.).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Hypoxemia; | — |
Countries
China
Contacts
Public ContactZHANG Li
Xiyuan Hospital of China Academy of Chinese Medical Sciences
Outcome results
None listed