Clinical trials: Anatomic Landmarks
Spinal Anesthesia
Ultrasound-assisted Spinal Anaesthesia in Patients With Difficult Anatomical Landmarks
Spinal anesthesia is the technique of choice in patients undergoing total joint arthroplasty at Toronto Western Hospital (UHN). The most significant predictor of the ease of performance of spinal anesthesia is the quality of…
- Trial name
- NCT00956137
- Testing
- Ultrasound guidance, Manual palpation
- Where
- Canada
- Volunteers
- 180 people
- Sponsor
- University Health Network, Toronto
Surgery
Optimal Depth for Esophageal Stethoscope
The purpose of the present study was to evaluate the optimal insertion depth of an esophageal stethoscope with a thermistor for core temperature monitoring.
- Trial name
- NCT05552092
- Testing
- Esophageal temperature monitoring according to the depth, Anatomical landmark
- Where
- South Korea
- Volunteers
- 40 people
- Sponsor
- Chosun University Hospital
Inguinal Hernia
Paravertebral Blocks: Pilot Study to Compare Nerve Stimulation vs. Anatomic Landmarks in Inguinal Hernia Repair
Primary aim: 1. To compare the nerve stimulation vs. anatomic techniques of paravertebral block of T11-L1 in providing surgical anesthesia for patients undergoing inguinal hernia repair. Secondary aims: 1.
- Trial name
- PVB (NCT00587704)
- Testing
- PVB using nerve stimulation, PVB using anatomic landmarks
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Mayo Clinic
Success Rate for Subclavian or Femoral Vein Catetherisation
Ultrasound Guidance Versus Anatomical Landmarks for CVC Catheterisation:
anatomical landmarks on the body surface were used to insert central vein catheter. However, ultrasound technique is emerging as a new technique for vein catheterisation.
- Trial name
- NCT03207932
- Testing
- Central vein catheterisation
- Where
- Italy
- Volunteers
- 200 people
- Sponsor
- University of Pisa
Proximal Humerus Interosseous Venous Access, Anatomic Landmark
Ultrasonographic Identification of the Proximal Humerus Landmarks
Evaluate whether discrete landmarks of the proximal humerus can be identified using ultrasound in patients with various body habitus and BMI.
- Conditions
- Proximal Humerus Interosseous Venous Access, Anatomic Landmark, Ultrasonography
- Trial name
- NCT03121794
- Testing
- Ultrasonographic exam, ultrasound machine
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- The Cleveland Clinic
Thyroid Nodule
Skin-crease Thyroidectomy
We performed a retrospective observational-analytic study. Anatomical measurements were performed on 118 participants during an ultrasound exam, and demographic data was collected from their medical files.
- Trial name
- NCT04248114
- Testing
- Ultrasound of the Neck
- Volunteers
- 118 people
- Sponsor
- Western Galilee Hospital-Nahariya
Anatomic Abnormality, Anatomy
Evaluation of a Femoralis, n Femoralis and m Iliopsoas Tendon Sonoanatomy According to Age Groups in Children
This study aims to examine the sonoanatomy of the inguinal region in children according to age groups.
- Conditions
- Anatomic Abnormality, Anatomy, Pediatrics, Anatomic Landmarks
- Trial name
- NCT04860479
- Testing
- ultrasound
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Derince Training and Research Hospital
Capsule Endoscopy
Real-Time Identification System of Magnetically Controlled Capsule Endoscopy Using Artificial Intelligence
The aim of this study is to evaluate the performance of real-time auxiliary system based on artificial intelligence algorithm in lesion detection and quality control in magnetically controlled capsule endoscopy.
- Trial name
- NCT04203264
- Testing
- Real-time artificial intelligence identification system
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Changhai Hospital
Orthognathic Surgery, Dentofacial Deformities
Development and Validation of an Automated Three-dimensional Cephalometry Method
This study is aimed to develop and assess the validity of an algorithm for automated three-dimensional cephalometry.
- Trial name
- AutoCEPH-3D (NCT04464252)
- Where
- France
- Volunteers
- 453 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Gallstones, Cholecystitis
Role of the Right Portal Pedicle and Rouviere's Sulcus as an Anatomic Landmark in Laparoscopic Cholecystectomy
Objective:To explore the role of the right portal pedicle and Rouviere's sulcus as an anatomic landmark in laparoscopic cholecystectomy.
- Conditions
- Gallstones, Cholecystitis, Polyps
- Trial name
- NCT02133027
- Testing
- Rouviere's sulcus, surgical instruments
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Zhujiang Hospital
Pulmonary Resection
Measurement of the Distance Between the Corresponding Anatomical Landmarks in the Thoracic Cavity and the Incisors
Patients who agree to receive pneumonectomy will be arranged to measure the distance from the incisors to the corresponding anatomical landmarks, including the cardia, the inferior pulmonary vein, the carina, the azygos vein, the…
- Trial name
- NCT03720405
- Where
- China
- Volunteers
- 520 people, healthy volunteers welcome
- Sponsor
- Nanfang Hospital, Southern Medical University
Regional Anesthesia
Evaluation of ChatGPT-4's Success Sonoanatomy
Aim and Importance: Regional anesthesia techniques have advanced significantly with the advent of ultrasound guidance. Peripheral nerve blocks and fascial plane blocks can now be performed safely and effectively under ultrasound…
- Trial name
- NCT06642389
- Testing
- Sonoanatomical Structure Identification, Block Type Prediction, Block Success Assessment
- Where
- Turkey (Türkiye)
- Volunteers
- 147 people
- Sponsor
- Kanuni Sultan Suleyman Training and Research Hospital
Tracheostomy Complication
Effectiveness of Reel-time Ultrasound-guided Tracheostomy and Landmark Percutaneous Dilatational Tracheostomy
This study aims to assess the impact of real-time ultrasound (US) use on complication rates and procedural success in percutaneous dilational tracheostomy (PDT) opened with forceps dilatation technique using anatomical landmarks.
- Trial name
- NCT05514613
- Testing
- retrospektif study; The effect of tracheostomy tecnique method on complications
- Where
- Turkey (Türkiye)
- Volunteers
- 1 people
- Sponsor
- HULYA TOPCU
Central Venous Catheterization
Ultrasound Guidance Versus Anatomical Landmarks for Subclavian Vein Catheterization
This was a prospective randomized study. After prior approval by the Ethics Committee, we included all patients aged over 18 years- old who were admitted to the intensive care unit (ICU) and who required a central venous…
- Trial name
- NCT04690296
- Testing
- cathetherization approach
- Volunteers
- 70 people
- Sponsor
- University Tunis El Manar
Knee Pain Chronic
A Comparison of Ultrasound Guided Genicular Nerve Blockade Using Current Versus Revised Anatomical Targets
comparison of effectiveness of ultrasound guided genicular nerve blockades and radio frequency stimulation
- Trial name
- NCT05073887
- Testing
- Current Targets
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Diskapi Teaching and Research Hospital
Pregnancy
Does Ultrasound Help Junior Anesthesia Residents With Placement of Labor Analgesia in Pregnant Patients
The investigators believe that ultrasound guided CSE technique will help junior resident rotating for the first time on the labor and delivery floor to place more accurately the epidural needle in the midline position as compared…
- Trial name
- NCT02747238
- Testing
- Ultrasound, No ultrasound, Epidural infusion
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Ventilator Lung, Ventilator-Induced Lung Injury
Phrenic Identification in the ICU
This will be a prospective observational study where the investigator will scan patients' necks with an ultrasound and look for anatomical landmarks that may help identify the phrenic nerve.
- Conditions
- Ventilator Lung, Ventilator-Induced Lung Injury, Diaphragm Disease, Phrenic Nerve
- Trial name
- NCT05875883
- Testing
- Neck ultrasound
- Where
- Canada
- Volunteers
- 63 people
- Sponsor
- Unity Health Toronto
Compare Ultrasound-guided Caudal Block to the Conventional Technique Based on Anatomical Landmarks
What Technique for Caudal Block in Children: Conventional or Ultrasound-guided
The goal of our study is to compare ultrasound-guided caudal block to the conventional technique based on anatomical landmarks.
- Trial name
- NCT06655571
- Testing
- Ultrasound guided caudal Block, Conventionel
- Where
- Tunisia
- Volunteers
- 94 people
- Sponsor
- Tunis University
Catheterization, Central Venous, Echocardiography, Transesophageal
Surface Landmarks and C-length as Predictors of Depth of Right IJV Catheter Insertion: A TEE-Guided Study
The primary aim of this study is to derive a prediction rule to estimate the required length for placement of the CVC tip at the mid-point of the SVC from simple anatomical landmarks that are consistent with the known surface…
- Conditions
- Catheterization, Central Venous, Echocardiography, Transesophageal, Anatomic Landmarks, Radiography
- Trial name
- NCT04274881
- Testing
- Catheterization of internal jugular vein
- Where
- Egypt
- Volunteers
- 70 people
- Sponsor
- Ain Shams University
Airway Management
Ultrasound Guided Versus Palpation Guided Cricothyrotomy With Poorly Defined Anatomical Landmarks
Inability to provide oxygen to the patient remains the most fearful anesthesia-related mishap. Cricothyrotomy (CT) is an infrequently performed but life saving procedure for an anesthesiologist, who is encountered with this…
- Trial name
- NCT01475487
- Testing
- Utrasound guided cricothyrotomy
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital