| Not Yet Recruiting | Comparison of Hemodynamic Variables Between Using Conventional Invasive Catheter Monitoring and Non-invasive P Monitoring | N/A | 2025-08-22 |
| Completed | Effect of Dexmedetomidine and Remimazolam on Body Temperature in Patients Undergoing Spinal Anesthesia Temperature Change, Body | N/A | 2025-04-15 |
| Recruiting | Electrosurgical Bipolar Systems Versus Conventional Electrocautery After SLNBx Breast Cancer | N/A | 2024-05-07 |
| Unknown | Factors Associated With Occluding the Upper Esophagus by Paratracheal Force Intubation Complication | — | 2024-02-27 |
| Unknown | Gastric Volume Following Sips of Water Intake Stomach Filling | — | 2024-02-26 |
| Unknown | Upwards Laryngeal Handshake Technique and Simple Palpation for Locating the Cricoid Cartilage Technique for Locating the Cricoid Cartilage | N/A | 2024-02-26 |
| Unknown | Change of Gastric Fluid Volume After Oral Hydration in Fasted Objects Preoperative Fasting | — | 2024-02-22 |
| Completed | Effect of Paratracheal and Cricoid Pressure on the Placement of the I-gel. Paratracheal Pressure | N/A | 2022-09-01 |
| Completed | Effect of Paratracheal Pressure on Mask Ventilation Ventilation | N/A | 2022-07-04 |
| Completed | Patient Positions for Locating the Cricothyroid Membrane Cricothyroid Membrane | N/A | 2022-07-01 |
| Completed | Head and Neck Positions for Endotracheal Intubation Using a Videolaryngoscope Endotracheal Intubation | N/A | 2021-12-01 |
| Completed | Effectiveness of Cricoid and Paratracheal Pressures for Occluding Esophagus Intubation Complication | N/A | 2021-09-01 |
| Completed | Effect of Sevoflurane and Propofol on the Optic Nerve Sheath Diameter Optic Nerve Sheath Diameter | — | 2021-07-26 |
| Unknown | Gastric Insufflation During Positive Pressure Ventilation Gastric Insufflation | N/A | 2021-07-20 |
| Completed | Evaluation of Blood Biomarkers as an Indicator of Delayed Neurocognitive Recovery Postoperative Cognitive Dysfunction | N/A | 2021-01-06 |
| Completed | Changes of Optic Nerve Sheath Diameter Between Obese and Non-obese Patients Undergoing Laparoscopic Gynecologi Optic Nerve Sheath Diameter | N/A | 2020-08-03 |
| Unknown | Effect of Sedatives on Perioperative Electroencephalogram in Elderly Patients Undergoing Spinal Anesthesia Effect of Sedatives | — | 2020-04-01 |
| Unknown | Postoperative Changes in Optic Nerve Sheath Diameter in Patients Undergoing Spinal Anesthesia for Cesarean Del Intracranial Hypotension | — | 2020-04-01 |
| Unknown | Changes in Optic Nerve Sheath Diameter in Patients Undergoing Spinal Surgery in the Prone Position Optic Nerve Sheath Diameter | — | 2020-04-01 |
| Completed | Effect of Semi-sitting Position on Mask Ventilation Ventilation | N/A | 2020-03-09 |
| Completed | Modified Laryngeal Handshake Technique Airway Complication of Anesthesia | N/A | 2020-03-05 |
| Completed | Paratracheal Force Required for Occluding the Upper Esophagus Anesthesia Intubation Complication | N/A | 2020-03-03 |
| Completed | Correlation of the Dural Sac Dimension With the Spread of Spinal Anesthesia Elderly Patients | — | 2019-10-10 |
| Completed | The Effect of Head and Shoulder Positioning on the Cross-sectional Area of the Subclavian Vein in Obese Adults Normal Volunteers | — | 2019-08-20 |
| Unknown | Effectiveness of Transcranial Direct Current Stimulation for TKR Transcranial Direct Current Stimulation, Post Operative Pain | N/A | 2019-05-01 |
| Unknown | Ultrasound Assessment of Gastric Emptying of Korean Meals: Rice and Noodle Preoperative Fasting | — | 2018-06-15 |
| Completed | Effect of an Endoscopic Bite Block on Mask Ventilation Ventilator Lung | N/A | 2018-06-07 |
| Completed | Cricoid Pressure vs. Paralaryngeal Pressure to Prevent Regurgitation Intubation Complication | — | 2018-06-01 |
| Unknown | Effect of Patient Position on Arterial, End-tidal and Transcutaneous Carbon Dioxide Ventilation Perfusion Mismatch | N/A | 2018-05-20 |
| Unknown | Comparison of Lighted Stylet and GlideScope for Double-lumen Endobronchial Intubation Intubation;Difficult | N/A | 2018-05-06 |
| Unknown | Ultrasound Assessment of Gastric Contents in Fasted Elderly Patients With Hip Fracture Hip Fractures | — | 2017-12-26 |
| Completed | Ultrasound Assessment of Gastric Contents in Fasted Patient Undergoing Cholecystectomy Gastroparesis | — | 2017-10-31 |
| Completed | Effect of Intraoperative Neuromuscular Blockade on Postoperative Sore Throat and Hoarseness Sore Throat | — | 2017-09-01 |
| Unknown | Effect of Intraoperative Muscle Relaxation Depth on Postoperative Sore Throat and Hoarseness After General Ane Sore Throat | N/A | 2017-08-01 |
| Completed | Ultrasound Assessment of the Anatomic Landmarks for Spinal Anesthesia in Patients With Hip Fracture Hip Fractures | N/A | 2017-06-09 |
| Completed | Comparison of the LMA Protector and the I-gel Mechanical Ventilation | N/A | 2017-05-01 |
| Completed | The Effect of Head Positioning on the Cross-sectional Area of the Subclavian Vein. Normal Volunteers | — | 2016-08-10 |
| Completed | Topiramate and Cerebrovascular Response in Migraineurs Migraine Disorders | Phase 4 | 2008-12-01 |