Clinical trials: Surgical Positioning
Shoulder Injuries, Anesthesia
The Effects of Preloading Before Beach Chair Position
The main objective of this study is whether preloading before positioning would be effective for less hemodynamic instability. The study also analyzes that patients with preloading will decrease postoperative nausea and vomiting…
- Conditions
- Shoulder Injuries, Anesthesia, Hemodynamic Instability
- Trial name
- NCT04671537
- Testing
- Preloading with crystalloid fluid
- Where
- Turkey (Türkiye)
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Istanbul University
Major Abdominal Surgery, Atelectasis
Optimal Interval for Periodic Alveolar Recruitment Maneuvers Achieving 90% Lung Re-expansion During Intraoperative Ventilation
This study aims to determine the optimal interval for periodic alveolar recruitment maneuvers (PARM) that can achieve effective lung re-expansion in 90% of patients undergoing intraoperative mechanical ventilation during…
- Conditions
- Major Abdominal Surgery, Atelectasis, Lung-protective Ventilation, Lung Ultrasound Score
- Trial name
- NCT07239557
- Testing
- Different interval of PARM
- Where
- China
- Volunteers
- 52 people
- Sponsor
- Sixth Affiliated Hospital, Sun Yat-sen University
Mechanical Ventilation, General Anesthesia
Comparison of Volume-controlled and Pressure-controlled Ventilation in Clasp-knife Position
Carbon dioxide (CO2) pneumoperitoneum and clasp-knife positioning are commonly used to improve surgical access during robot-assisted laparoscopic urological surgery.
- Conditions
- Mechanical Ventilation, General Anesthesia, Urological Surgery, Robotic Surgery
- Trial name
- NCT06056401
- Testing
- record Hemodynamic variables, respiratory variables and arterial blood gas at specific times
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Sun Yat-sen University
Cataract
Anterior Capsule Polishing Effect on Effective Lens Position
The purpose of this study is to evaluate effects of anterior capsule polishing on effective lens position (ELP) and actual axial movement of the intraocular lens (IOL) by measuring anterior chamber depth (ACD) patients with…
- Trial name
- NCT01598428
- Testing
- anterior capsule polishing
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Shandong University
Rotator Cuff Tear Arthropathy
Vasopressin to Prevent Hypotension During Beach Chair Surgery
Patients undergoing surgery in beach chair position (BCP) are at risk for cerebral ischaemia. The impacts of arginine vasopressin (AVP) on haemodynamics and cerebral oxygenation are evaluated during surgery in BCP.
- Trial name
- NCT01687894
- Testing
- Vasopressins, propofol, sevoflurane
- Where
- South Korea
- Volunteers
- 74 people
- Sponsor
- Chonnam National University Hospital
Tibial Fractures
Efficacy Study of Surgical Technique in Intramedullary Tibia Nailing, Using Trigen META Tibia Nails
Multicentre Prospective Randomized Clinical Trial, to evaluate patients after surgery for extra-articular tibial fractures treated with Smith\& Nephew's Trigen META intramedullary nailing system; comparing two surgical…
- Trial name
- TrigenMETA (NCT01358292)
- Testing
- Semi-extended Surgical Technique, Standard Surgical Technique
- Where
- 5 sites in Germany, Spain and 1 more
- Volunteers
- 95 people
- Sponsor
- Smith & Nephew Orthopaedics AG
Jugular Venous Flow
Jugular Venous Flow Neurosurgical Patients
Our hypothesis is that there will be a decrease in internal jugular venous flow in the park bench position when compared to the supine position.
- Trial name
- NCT02002507
- Testing
- comparison of different neurosurgical position
- Where
- Canada
- Sponsor
- University Health Network, Toronto
Optic Nerve Diameter, Intracranial Pressure Increase
Effect of Optıc Nerve Dıameter ın Tymphanoplasty Surgery Performed ın Lateral Head Posıtıon
Studies exist to determine the effect of laparoscopic surgical procedures on increased intra-abdominal pressure; these studies include optic nerve sheath diameter (ONSD) measurement in various positions such as trendelenburg and…
- Trial name
- ONSD (NCT07407972)
- Testing
- optic nerve diameter
- Where
- Turkey (Türkiye)
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital
Hemodynamic Instability, Anesthesia
Hemodynamic Changes and Propofol Pharmacokinetic Variation During Anesthesia Induction and Knee-chest Positioning
Induction of anesthesia and the knee-chest position are associated with hemodynamic changes that may impact patient outcomes. Changes from baseline in cardiac output and other hemodynamic variables following induction of…
- Conditions
- Hemodynamic Instability, Anesthesia, Surgery
- Trial name
- NCT03961958
- Testing
- Propofol reduction
- Where
- Portugal
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Salamanca
Regional Anesthesia Morbidity
Effect of Modified 45-degree Head-up Tilt Position in Cesarean Operation to the Success of Spinal Anesthesia
The success of the application of spinal block in 3 different application as the sitting position, side decubitus position and 45 degrees head upside side decubitus position will be evaluated.
- Trial name
- cesarean (NCT03740399)
- Testing
- spinal anesthesia
- Where
- Turkey (Türkiye)
- Volunteers
- 180 people
- Sponsor
- Trakya University
Positive End Expiratory Pressure, Lung Ultrasound
Comparison of PEEP Effect on Perioperative Oxygenation and Postoperative Pulmonary Complications in Lithotomy Position
The main purpose of the study is to compare the effectiveness of PEEP application in terms of perioperative oxygenation level in the use of classical LMA and i-gel, which is often preferred.
- Trial name
- NCT05261295
- Testing
- PEEP, ZEEP
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Ankara City Hospital Bilkent
Shoulder Surgery, Beach Chair Position
Effect of Interscalene Block on Heart Rate Variability (HRV)
The Left interscalene block has a different effect on heart's autonomic nervous system, as measured with Heart Rate Variability, compared to Right interscalene block
- Conditions
- Shoulder Surgery, Beach Chair Position, Interscalene Block, HRV
- Trial name
- NCT01185457
- Where
- Greece
- Volunteers
- 50 people
- Sponsor
- Larissa University Hospital
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
Robotic Surgical Procedures
Prevention of Endotracheal Tube Migration by Cuff Palpation During Robotic Surgical Procedure
After intubation, the endotracheal tube was finally fixed after palpating endotracheal cuff at three sites (just below the cricoid cartilage, at suprasternal level and just below suprasternal notch).
- Trial name
- NCT04440787
- Testing
- Three point cuff palpation technique
- Where
- India
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Rajiv Gandhi Cancer Institute & Research Center, India
Delirium, Anesthesia
Incidence of Postoperative Delirium in Cancer Patients After Laparoscopic Surgery in Trendelenburg Position
Postoperative delirium is an acute mental syndrome that is caused by diffuse cerebral dysfunction resulting from the action of predisposing and precipitating factors acting together.
- Trial name
- NCT03572517
- Testing
- Subarachnoid block, Spinal morphine
- Where
- Brazil
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- AC Camargo Cancer Center
Urological Cancer, Gastrointestinal Cancer
Correlation Between Intraocular Pressure Measurement by Tomometer and Anterior Chamber Depth Measurement by Ultrasound
Intra ocular pressure (IOP) may theoretically increase due to steep Trendelenberg position and studies showed that IOP reaches peak levels after steep Trendelenberg position on an average of 13 mmHg higher than preanesthesia…
- Conditions
- Urological Cancer, Gastrointestinal Cancer, Malignant Female Reproductive System Neoplasm
- Trial name
- NCT02818530
- Testing
- IOP by tonometer, Anterior chamber depth measurement by ultrasound
- Where
- India
- Volunteers
- 10 people
- Sponsor
- Tata Memorial Centre
Lumbar Disc Herniation, Respiratory Mechanics
Pulmonary Mechanics and Cerebral Oxygenation During Prone Lumbar Disc Surgery
This prospective observational study aims to evaluate the relationship between changes in respiratory mechanics and cerebral oxygenation in adult patients undergoing elective lumbar disc surgery in the prone position under…
- Conditions
- Lumbar Disc Herniation, Respiratory Mechanics, Cerebral Oxygenation
- Trial name
- NCT07862257
- Testing
- Prone Positioning
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Sehit Prof. Dr. Ilhan Varank Sancaktepe Training and Research Hospital
Facial Swelling, Tooth Position Anomalies
Platelet-Rich Fibrin as an Antibiotic Delivery Vehicle in Mandibular Third Molar Surgery
The present study aims to evaluate the effect of platelet-rich fibrin (PRF) used as a local antibiotic delivery vehicle on postoperative outcomes, including facial swelling, trismus, and pain, following mandibular third molar…
- Conditions
- Facial Swelling, Tooth Position Anomalies, Tooth, Impacted, Tooth Extraction Status Nos
- Trial name
- NCT07764757
- Testing
- Antibiotic-enriched Platelet-Rich Fibrin (PRF), Platelet-Rich Fibrin (PRF)
- Where
- Italy
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Amerigo Giudice
Laparoscopy, Airway Management
Ambu AuraGain vs LMA Supreme in Laparoscopic Surgery
The aim of the study is to compare the performance of two supraglottic airway devices (SGA), the new Ambu AuraGain and the LMA Supreme, in sixty female patients undergoing gynaecologic laparoscopy in the trendelemburg position.
- Conditions
- Laparoscopy, Airway Management, Supraglottic Airway Devices
- Trial name
- NCT02511652
- Testing
- Ambu AuraGain evaluation, LMA Supreme evaluation, Laparoscopic surgery
- Where
- Spain
- Volunteers
- 60 people
- Sponsor
- Hospital Clinic of Barcelona
Lefort I Osteotomy
Waferless One Stage Segmental Lefort I Maxillary Positioning in Transverse Deficiency
In Maxillary transverse deficiency, is waverless lefort I multiple pieces osteotomy using virtually planned patient specific titanium implants feasible and does it provide accuracy? This prospective case series study evaluating…
- Trial name
- NCT03884699
- Testing
- Accuracy of planned transverse Maxillary distance using Mimics software after fixation using Patient specific implant
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Cairo University