Clinical trials: Surgical Positioning
Ventilators, Mechanical
Ventilation Strategy for the Elderly Patients in Prone Position
The investigators compare three ventilation modes; volume controlled ventilation, volume guaranteed pressure controlled ventilation and volume controlled ventilation with pause during spine surgery for the elderly patients.
- Trial name
- NCT04520893
- Testing
- ventilator setting vcv with pause, ventilator setting vcv, ventilator setting pcv-vg
- Where
- South Korea
- Volunteers
- 45 people
- Sponsor
- Eunhee Chun
Oxygen Deficiency
Postoperative SpO₂/FiO₂ in Obese and Non-Obese Patients: Role of STOP-BANG
The aim of this study is to evaluate the effect of the Reverse Trendelenburg position on oxygenation (SpO₂/FiO₂ ratio) in the early postoperative period in patients undergoing laparoscopic surgery.
- Trial name
- NCT07188649
- Testing
- oxygen deficiency
- Where
- Turkey (Türkiye)
- Volunteers
- 64 people
- Sponsor
- Istinye University
Acute Post Operative Pain, Hip Fracture
Pain Relief Comparison: Pericapsular Nerve Group Versus Quadratus Lumborum Block for Positioning in Femur Fracture Surgery
This study aims to compare the analgesic efficacy of Ultrasound Guided Pericapsular Nerve Group Block and Quadratus Lumborum Block for pain relief During patient Positioning for Spinal Anesthesia in proximal femur fracture…
- Conditions
- Acute Post Operative Pain, Hip Fracture, Regional Anaesthesia, Quadratus Lumborum Block
- Trial name
- NCT06917807
- Testing
- Pericapsuler nerve group block, Quadratus lumborum block
- Where
- Egypt
- Volunteers
- 42 people
- Sponsor
- Ain Shams University
Endotracheal Tube Cuff Pressure, Adenotonsillectomy
The Changes of ETT Cuff Pressures After Head and Neck Positions Placed for Adenotonsillectomy and Tonsillectomy in Children
The main purpose of this study was to assess the effect of each of position (neck extension by under-shoulder pillow and Crowe-Davis retractor use) during adenoidectomy and adenotonsillectomy on the intracuff pressure of ETTs in…
- Conditions
- Endotracheal Tube Cuff Pressure, Adenotonsillectomy, Tonsillectomy, Position
- Trial name
- NCT05364281
- Testing
- Intracuff pressure measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Istanbul University
Chest Tube, Thoracotomy
Position to Prevent Pleural Irritation (PPPI) for Pain and Sleep
Clinical Trial Aim: The study was conducted to investigate the effect of the Position given to Prevent Pleural Irritation (PPPI) due to chest tube on pain level and sleep quality in patients undergoing thoracic surgery.
- Conditions
- Chest Tube, Thoracotomy, Pain, Sleep
- Trial name
- NCT06919978
- Testing
- The Position to Prevent Pleural Irritation (PPPI)
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Akdeniz University
Anesthetized Healthy Patients (ASA 1 or 2) in the Supine Position, Excluding Head, Neck and Head Surgeries, Anesthetized Patient With Severe Systemic Disease (ASA 3 or 4)
Gas Kinetics and Metabolism in Anesthesia During Non Steady State
During clinical anesthesia, it is astonishing that CO2 monitoring consists mainly of end-tidal PCO2 to confirm endotracheal intubation and to estimate ventilation, and O2 monitoring consists of a single PO2 measurement to detect…
- Trial name
- NCT00225381
- Testing
- connection of measuring device to anesthesia circuit, drawing of blood sample through an arterial line, placed according to clinical criteria by primary anesthesia team, changing operating room bed position (head down and up position)
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of California, Irvine
Fluid Responsiveness
Pneumoperitoneum and Trendelenburg Position on Fluid Responsiveness
The increased intraabdominal pressure and intrathoracic pressure due to pneumoperitoneum negatively affect the cardiovascular system, relatively dynamic parameters may vary due to intraoperative fluid therapy.
- Trial name
- NCT04060069
- Testing
- Ringer Lactate
- Volunteers
- 45 people
- Sponsor
- Kocaeli University
Airway Device
BASKA Mask in Otologic Surgery in Lateral Position
This study aims to evaluate the Efficiency and safety of BASKA mask ventilation in comparison with endotracheal intubation during otologic surgery performed with the head and neck in the lateral position.
- Trial name
- BASKAvsETT (NCT05748782)
- Testing
- Baska Mask, Endotracheal tube
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Assiut University
Shoulder Surgery
Modeling the Effect of EtCO2 on Cerebral Oxygenation
The aim of this study was to investigate the relationship between the end-tidal carbon dioxide (EtCO2) and cerebral oxygen saturation (rSO2) and to identify the covariates in the pharmacodynamic relationship between EtCO2 and…
- Trial name
- NCT02284763
- Testing
- EtCO2
- Where
- South Korea
- Volunteers
- 55 people
- Sponsor
- Severance Hospital
Airway Obstruction
Safety and Efficacy of the LMA Supreme When Inserted With Patients in the Prone Position
This study is a non-randomized, observational, non-comparative prospective study to evaluate the safety, efficacy and performance of the LMA Supreme laryngeal mask airway when used according to the device's Instructions for Use.
- Trial name
- LMA (NCT03633942)
- Testing
- LMA Supreme
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Laser Spine Institute
Total Shoulder Arthroplasty
Patient Specific Instruments Versus Standard Surgical Instruments
Comparison of Glenoid Component Position Using Patient Specific Instruments Versus Standard Surgical Instruments: A Randomized Prospective Clinical Trial
- Trial name
- TIOSO-GPS (NCT01430468)
- Testing
- Glenoid Positioning System
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- The Cleveland Clinic
Uterine Myoma, Ovarian Cyst
The Effect of Different I:E Ratio on Gas Exchange of Patients Undergoing Gynecologic Laparoscopic Surgery With Trendelenburg Position
In patients undergoing gynecologic laparoscopic surgery with trendelenburg position, the disturbance of pulmonary gas exchange frequently occurs due to high intra-abdominal pressure.
- Conditions
- Uterine Myoma, Ovarian Cyst, Laparoscopic Gynecologic Surgery
- Trial name
- NCT01379313
- Testing
- conventional I:E ratio, 1:1 ratio, 2:1 group
- Where
- South Korea
- Volunteers
- 100 people
- Sponsor
- Samsung Medical Center
Urologic Surgical Procedures
Comparison of LMA Proseal and LMA Supreme for Efficient Ventilation During Lateral Positioned Laparoscopic Surgeres
The LMA Proseal and LMA Supreme are the third generation of LMA with potential advantages over the classic LMA.Several publications have reported the successful, safe use of Laryngeal Mask Airway devices in patients undergoing…
- Trial name
- NCT02852135
- Testing
- LMA Proseal, LMA Supreme
- Volunteers
- 186 people
- Sponsor
- Changhai Hospital
Pulmonary Pathology
Effect of Two Different Surgical Positions on Pulmonary Functions in Laparoscopic Gastrectomies
The primary purpose of the study is to investigate the effect of the 30° reverse trendelenburg position combined with the sunbed position on respiratory parameters in laparoscopic gastrectomies.
- Trial name
- NCT06402474
- Testing
- sunbed position
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people
- Sponsor
- Istinye University
Intraocular Pressure
Steep Trendelenburg Positioning on Intra-Ocular Pressure During Surgery for Endometrial Robotics Versus Laparotomy
The purpose of this study is to assess changes of intra-ocular pressure (IOP) and examine preoperative facts affecting IOP in endometrial cancer patients undergoing robotic hysterectomy compared to laparotomy.
- Trial name
- NCT00852774
- Volunteers
- healthy volunteers welcome
- Sponsor
- Ohio State University Comprehensive Cancer Center
Respiration, Artificial, Laparoscopy
Hemodynamic Effects of Ventilation Modes
Different ventilation modes can be used in laparoscopic surgeries. These surgeries are performed in steep Trendelenburg position with serious hemodynamic disturbances.
- Conditions
- Respiration, Artificial, Laparoscopy, Hemodynamics
- Trial name
- NCT03684291
- Testing
- Mode of Mechanical Ventilation
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Ufuk University
Cuff Pressure
Comparison of the Cuff Pressure Between a Taper-guard Cuffed Tube and a Cylindrical-shaped Cuffed Tube
Endotracheal pressure with different cuff shapes can result in different cuff pressure change after head positional change. In this study, 52 patients underwent middle ear surgery with general anesthesia were randomly allocated…
- Trial name
- NCT02797938
- Testing
- Taper guard tube, Cylindrical tube
- Where
- South Korea
- Volunteers
- 52 people
- Sponsor
- Kyungpook National University Hospital
Hip Fractures (ICD-10 72.01-72.2), Postoperative Pain Management After Total Hip Arthroplasty
Effect of Preoperative PENG Block on Spinal Anesthesia Positioning and Postoperative Analgesia in Hip Fracture Surgery
Hip fractures are among the most common orthopedic traumas, particularly in elderly patients, and are usually associated with significant pain during positioning for spinal anesthesia.
- Conditions
- Hip Fractures (ICD-10 72.01-72.2), Postoperative Pain Management After Total Hip Arthroplasty, Elderly Patients, Regional Anesthesia
- Trial name
- PENG-SPINE (NCT07194356)
- Testing
- Pericapsular nerve group (PENG) block, Standard Spinal Anesthesia (Control)
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Dr. Lutfi Kirdar Kartal Training and Research Hospital
Sinusitis
15-Degree Tilt, Head Up, Feet Down Body Position for Sinus Surgery Patients
Functional Endoscopic Sinus Surgery (FESS) is normally performed in our centre in a 0-degree supine position, with the patient laying flat.
- Trial name
- RTP (NCT01442740)
- Testing
- Reverse Trendelenburg Position
- Where
- Canada
- Volunteers
- 64 people
- Sponsor
- St. Paul's Hospital, Canada
Laparoscopic Gynecological Surgery
Effects of Standard and Modified Z-Trendelenburg Positions on Cerebral Oxygenation and Optic Nerve Sheath Diameter
The purpose of this study is to compare the effects of the standard Trendelenburg position and the modified Z-Trendelenburg position on cerebral oxygenation and optic nerve sheath diameter (ONSD) in patients undergoing…
- Trial name
- MOD-TREND (NCT07632287)
- Testing
- Standard Trendelenburg Position, Modified Z-Trendelenburg Position
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Ankara Etlik City Hospital