Clinical trials: Surgical Positioning
Thyroid Cancer, Endoscopy
Comparing the Establishment of Operation Space Between High Position and Low Position in Endoscopic Thyroid Surgery
Patients in our department endoscopic thyroidectomy were randomly divided into high position and low position established operating space group established operating space group.
- Trial name
- NCT03577951
- Testing
- high position space group, low position space group
- Where
- China
- Volunteers
- 48 people
- Sponsor
- Fujian Medical University
Heart Failure, Systolic, Robotic Surgery
Cardiac Performance During Steep Trendelenburg Position in Patients Undergoing Robotic Surgery Surgery.
The field of robotic-assisted laparoscopic surgery increases all the time. Older and more fragile patients which are not suitable for major open surgery could be scheduled for robotic- assisted surgery.
- Trial name
- NCT06336746
- Testing
- Esophageal Doppler
- Where
- Sweden
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Karlstad Central Hospital
Age-related Cataract
IOL-capsular Complex After Different Intraocular Lenses Implantation in Patients With High Myopia
The IOL-capsular complex is formed after cataract surgery and intraocular lens (IOL) implantation. Early postoperative mechanical wrapping of the anterior and posterior capsules plays a significant role in preventing IOL…
- Trial name
- NCT05255796
- Testing
- one-piece, plate-haptic
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Wenzhou Medical University
IOP
Effect of Acetazolamide on Intraocular Pressure After Being in the Trendelenburg Position.
Perioperative vision loss following laparoscopic colorectal surgery is rare but has been reported. Studies show Trendelenburg positioning during surgery can produce a significant rise in the IOP, and this rise is thought to be a…
- Trial name
- TaPPs (NCT03107429)
- Testing
- Acetazolamide, Trendelenburg Position
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Post Operative Sore Throat
Comparison of the Effect of Magnesium Sulfate and Dexamethasone on Postoperative Sore Throat After Spinal Surgery in Prone Position With Tracheal Intubation: a Double-blind, Randomized, Noninferiority Clinical Trial
The purpose of this study is to compare the effect of magnesium sulfate and dexamethasone on postoperative sore throat after spinal surgery in prone position with tracheal intubation.
- Trial name
- NCT01923831
- Testing
- Magnesium Sulfate, dexamethasone
- Where
- South Korea
- Volunteers
- 146 people
- Sponsor
- Yonsei University
Thyroid Surgery, Head Extension on the Anatomic Axes of the Superior Airway
The Effect of Thyroid Lobe Volume on the Common Carotid Artery Blood Flow
The goal of this observational study is to evaluate how thyroid lobe volume affects carotid artery blood flow dynamics in adult patients undergoing elective thyroidectomy.
- Trial name
- NCT06797388
- Where
- Turkey (Türkiye)
- Volunteers
- 132 people
- Sponsor
- Recep Tayyip Erdogan University
Ureteral Injury, Surgery--Complications
Ureteral Jets and Patient Positioning Study
The objective of the study is to identify the relationship between patient position during surgery and time to confirmation of ureteral patency on cystoscopy.
- Trial name
- NCT04732403
- Testing
- Patient Position
- Where
- United States
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Intracranial Pressure Increase, Postoperative Cognitive Dysfunction
The Effect of Optic Nerve Diameter on Postoperative Cognitive Function in Laparoscopic Hysterectomy
Prospective study, 40 patients ASA 2-3, 30-75 years old who were planned for laparoscopic hysterectomy operation will be included.One day before the operation and postoperative 1.3.7.
- Trial name
- NCT05286697
- Testing
- measuring optic nerve diameter
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Marmara University
General Anesthesia, Airway Management
I-gel Plus Supraglottic Airway Device for Surgical Procedures in Prone Position
I-gel Plus is a novel supraglottic airway device that has been evaluated in various studies with high success and low complication rates.
- Conditions
- General Anesthesia, Airway Management, Supraglottic Airway
- Trial name
- NCT06602817
- Testing
- Exposure: prone position, Exposure: Supine position
- Where
- Germany
- Volunteers
- 28 people
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Mechanical Ventilation
The Effect of Intraoperative Ventilation Mode on Hemodynamics and Lung Dynamics
In this study, it was aimed to compare the effects of pressure-controlled volume-guaranteed ventilation (PCV-VG) and volume-controlled ventilation (VCV) on lung dynamics and hemodynamics in patients undergoing vertebral surgery…
- Trial name
- NCT05776589
- Testing
- The mechanical ventilation mode
- Where
- Turkey (Türkiye)
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Izmir Ataturk Training and Research Hospital
Cerebral Oxygenation
The Influence of Anesthetic Technique on Cerebral Oxygenation During Spinal Surgery
Postural changes during anesthesia can lead to decreased cerebral blood flow and oxygenation, especially when moving from a supine to a prone position.
- Trial name
- NCT06325462
- Testing
- sensors of regional cerebral oxygen saturation (O3 regional oximeter, Masimo Corp, Irvine, CA) FDA Reg No. 3011353843
- Where
- Saudi Arabia
- Volunteers
- 54 people
- Sponsor
- Prince Sultan Military Medical City
Fluid Management During Elective Spine Surgeries
Conventional Fluid Management vs Plethysmographic Variability Index -Based Goal Directed Fluid Management
Plethysmographic variability index is a dynamic method for evaluation of volume status which depends on estimation of respiratory variations in pulse oximeter waveform amplitude.
- Trial name
- NCT05239286
- Testing
- General anaesthesia, Conventional fluid managment, PVI dependant goal directed fluid therapy
- Where
- Egypt
- Volunteers
- 66 people
- Sponsor
- Cairo University
Rotator Cuff Tears, Hemorrhage, Surgical
Effect of Intravenous Tranexamic Acid on Visual Clarity During Shoulder Arthroscopy in the Beach Chair Position
Shoulder arthroscopy offers numerous advantages and has led to a continuous increase in procedural complexity. Adequate intraoperative visual clarity is essential for successful performance of the procedure and is primarily…
- Conditions
- Rotator Cuff Tears, Hemorrhage, Surgical, Shoulder Injuries
- Trial name
- NCT05397652
- Testing
- Tranexamic Acid Injectable Product
- Where
- Croatia
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Nikola Matejcic
Intracranial Pressure, Laparoscopic Surgery
Comparison of the Effects of Sevoflurane and Desflurane on Optic Nerve Sheath Diameter During Laparoscopic Surgery
Laparoscopic surgeries require pneumoperitoneum and Trendelenburg position, which may lead to increased intracranial pressure (ICP).
- Conditions
- Intracranial Pressure, Laparoscopic Surgery, Optic Nerve Sheath Diameter
- Trial name
- NCT07525648
- Testing
- Sevoflurane, Desflurane
- Where
- Turkey (Türkiye)
- Volunteers
- 63 people
- Sponsor
- Medipol University
Lung Diseases, Ultrasonography
Lung Ultrasonography vs Fiberoptic Bronchoscopy for Aiding Lung Collapse in Patient Using Double Lumen Tube
The study contains the result from a comparison of diagnostic outcomes about lung collapse by using lung ultrasonography as a new diagnostic test compares to fiberoptic bronchoscopy as the standard test.
- Conditions
- Lung Diseases, Ultrasonography, Fiberoptic Bronchoscopy, One Lung Ventilation
- Trial name
- NCT03314519
- Testing
- Lung ultrasonography by experienced anaesthesiologist, Fiberoptic bronchoscopy for double lumen tube's position
- Where
- Thailand
- Volunteers
- 200 people
- Sponsor
- Mahidol University
Refractive Error
Evaluation of a Surgical Microscope Mounted Autorefractor When Used on Patients Lying in a Supine Position
The purpose of this study is to evaluate the accuracy and repeatability of an individually validated prototype autorefractor designed to be mounted on a surgical microscope.
- Trial name
- NCT01827748
- Testing
- Intraoperative Autorefractor IAR-1, Hartmann-Shack Auto Refractor
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Adventus Technology
Orthognathic Surgery
Body Posture Assessment Considering Jaws Position Before and After Orthognathic Surgery on Adult Patient.
Postural balance on both feet, characteristic of the human species, is possible by the tension of muscle of the whole body from toes to head.
- Trial name
- NCT01989715
- Testing
- analyzing the position of the body, muscle activity
- Where
- France
- Volunteers
- 27 people
- Sponsor
- Assistance Publique Hopitaux De Marseille
Fracture of Hip, Osteoarthritis, Hip
Mechanical Ventilation Based on Driving Pressure in Lateral Position
Previous studies showed that, best lung protective strategies of ventilation parameters are based on driving pressure in damaged lungs.
- Conditions
- Fracture of Hip, Osteoarthritis, Hip, Congenital Hip Deformity
- Trial name
- NCT04455789
- Testing
- routine lung protective, conventional mechanical ventilation
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Akdeniz University
Post Operative Pain
Dexamethasone or Dexmedetomidine as Adjunct in Fascia Iliaca Block During Positioning for Sub-arachnoid Block & Post-operative Analgesia After Femur Neck Fracture Surgery: A Randomized Control Trial
Femur fracture is a common injury occurring in the young due to trauma as well as amongst the elderly due to fall. Reduction and fixation of femur fractures pose a challenge to the anesthesiologist.
- Trial name
- NCT05484648
- Testing
- Dexamethasone, Dexmedetomidine
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Aga Khan University Hospital, Pakistan
Endotracheal Tube Position
Pilot Study for Verifying Endotracheal Tube Repositioning Using Ultrasound
The investigators will compare the response to oral endotracheal tube repositioning as measured by chest x-ray and measured by the air-wave device.
- Trial name
- NCT02407158
- Testing
- SonarMed Airwave Device
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Yale University