Comparing Early Versus Elective Colonoscopy

Exclusion Criteria

• •An individual who meets any of the following criteria will be excluded from participation in this study:
• •1. Patients with hematemesis, black vomiting, or melena.
• •2. Patients with upper gastrointestinal bleeding, diagnosed by nasogastric tube or upper endoscopy.
• •3. Patients who have impossible consumed the oral bowel preparation solution.
• •4. Patients who have undergone computed tomography.
• •5. Patients who have been diagnosed with peptic ulcer diseases within the previous 10 days.
• •6. Ulcerative colitis or Crohn's disease patients.
• •7. Patients who have undergone abdominal surgery within the previous 10 days.
• •8. Patients who have undergone polypectomy, endoscopic mucosal resection, or endoscopic submucosal dissection of the lower gastrointestinal tract within the previous 10 days.
• •9. Patients with suspected perforation or peritonitis.
• •10. Patients with suspected intestinal obstruction.
• •11. Patients with hemorrhagic shock refractory to infusion or blood transfusion.
• •12. Patients who have undergone total colectomy.
• •13. Patients with suspected disseminated intravascular coagulation.
• •14. Patients with end-stage malignant disease.
• •15. Patients with severe cardiac failure.
• •16. Patients with active thrombosis.
• •17. Patients with severe respiratory failure.
• •18. Pregnant patients.