Clinical trials: Artifacts
Lmbar Spine With Screws
AI Based Metal Artifact Reduction-PMAR
The study is going to enroll about 220 consecutive patients with screws in lumber spine after internal fixation surgery who underwent follow-up assessment using Incisive CT according to the department standard of care.
- Trial name
- NCT07619404
- Volunteers
- 220 people
- Sponsor
- Philips Clinical & Medical Affairs Global
Stereotactic Body Radiation Therapy, Lung Lesions
Impact of a Hypnotic Recording on Artifacts in 4D CT in the Context of Stereotactic Body Radiation Therapy for Lung Cancer
This is a single-center prospective cohort study evaluating the impact of a simple audio recording hypnosis system on the occurrence of artifacts on 4D CT scans in patients requiring SBRT radiotherapy for lung lesions (peripheral…
- Trial name
- HYPNOCT-4D (NCT07334990)
- Testing
- Hypnotic record
- Volunteers
- 25 people
- Sponsor
- Centre Leon Berard
Healthy
EEG and Auditory Evoked Potentials During Local Anesthesia
The aim of the present study was to investigate the sensitivity of AEP (auditory evoked potentials) to muscular artefacts using sedation and local anesthesia.
- Trial name
- NCT00408941
- Testing
- Propofol, Prilocaine
- Where
- Germany
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Arthroplasty, Replacement, Hip
MARS MRI in Revision THA With a Ceramic Femoral Head and Titanium Sleeve
Revision total hip replacement using a ceramic head utilizes a titanium sleeve which introduced another articulation into the system that may lead to a local soft tissue reaction.
- Trial name
- NCT05686915
- Testing
- MARS MRI, Titanium Labs, Cobalt Labs
- Where
- United States
- Volunteers
- 55 people
- Sponsor
- Colorado Joint Replacement
Heart Diseases
Creation of an ECG Database in 3T MRI With Healthy Heart and Several Kind of Cardiac Disease.
The aim is to create a database including recordings of ECG data recorded in an MRI acquisition
- Trial name
- DB-ECG-3T (NCT02562534)
- Testing
- MRI compatible ElectroCardioGraph
- Where
- France
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Metal Artifacts, Implant
Effect of FOV and mA on Metal Artifacts on CBCT
The aim of this study is to evaluate the effect of exposure parameters as milliampere (mA) and field of view (FOV) in CBCT on metal artifact of dental implant.
- Trial name
- NCT04935944
- Testing
- CBCT radiation
- Where
- Egypt
- Volunteers
- 4 people
- Sponsor
- Cairo University
Anesthesia, General
Characterization of Artifacts in the BIS™ EEG Signals in General Anesthesia Patients in Operating Room
This is an observational non-invasive study which aims to collect data from patients under general anesthesia in the operating room; this data will then be used for characterization and detection of artifacts that affect the EEG…
- Trial name
- RAMBAM (NCT03553953)
- Testing
- BIS device
- Where
- Israel
- Volunteers
- 98 people
- Sponsor
- Medtronic - MITG
Anxiety, Sedation
Preparing Kids for MRI Using VR
Children frequently exhibit pre-MRI anxiety that can cause motion, repeated sequences, prolonged room time, and exposure to sedation.
- Conditions
- Anxiety, Sedation, Child, Virtual Reality
- Trial name
- NCT07203716
- Testing
- Virtual Reality Orientation (Home+Booster), Virtual Reality Orientation (Pre-Scan Only), Usual Care (No VR)
- Volunteers
- 150 people
- Sponsor
- Haseki Training and Research Hospital
Normal, EEG
Exploratory Study on Artifact Denoising of Cerebral Blood Flow and EEG Data in Ambulance Settings
The purpose is to assess the extent of digital noise occurring during the measurement of cerebral blood flow and EEG in healthy adults within an ambulance setting and to explore the possibility of identifying and correcting…
- Conditions
- Normal, EEG, FNIRS
- Trial name
- NCT06701708
- Testing
- Participants are not assigned to interventions based on a protocol.
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Pusan National University Yangsan Hospital
Esophagus Cancer, Lung Cancer
Imaging Study Compare 4DCT Image
The goal of this clinical research study is to learn about ways to possibly reduce scanning errors when using 4-dimensional computed tomography (4D CT) scans to check lung function in patients with esophageal or lung cancer.
- Trial name
- NCT01626001
- Testing
- 4D CT scans
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- M.D. Anderson Cancer Center
Peripheral Arterial Occlusive Disease
Isovue in Peripheral Digital Subtraction Angiography (DSA)
No significant differences is expected in observed motion artifacts, heat or pain reported during peripheral DSA performed for diagnostic and/or endovascular therapeutic purposes.
- Trial name
- NCT01075217
- Testing
- iopamidol, iodixanol
- Where
- United States
- Volunteers
- 174 people
- Sponsor
- Bracco Diagnostics, Inc
Bone Anchored Devices, Osseo-Integrated Implants
Bone Conduction Implant and MRI
Bone conduction implants (BCI) are widely used in cases of conductive/ mixed hearing loss or single side deafness when surgical treatment or air hearing aids are not feasible.
- Conditions
- Bone Anchored Devices, Osseo-Integrated Implants, MRI Scans, Artifacts
- Trial name
- BAHA-IRM (NCT04448600)
- Testing
- MRI
- Where
- France
- Volunteers
- 20 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Breast Cancer, Interventional Radiology
Using Color Doppler US Artifact to Identify Tumor Markers
Before neoadjuvant chemotherapy (NACT) in cases of locally advanced breast cancer, malignant masses in the breast and biopsy-proven tumor involvement axillary lymph nodes are marked with metallic markers.
- Conditions
- Breast Cancer, Interventional Radiology, Doppler Ultrasound
- Trial name
- NCT06166173
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Istanbul Medeniyet University
Lower Urinary Tract Dysfunction
Urodynamic Assessment of the Lower Urinary Tract: Water vs. Air
Comparison of water-perfused (WP) and air-charged (AC) catheters for invasive urodynamic investigation (UDI) regarding consistency, features and artifacts.
- Trial name
- NCT04033770
- Testing
- Urodynamic investigation
- Where
- Switzerland
- Volunteers
- 490 people
- Sponsor
- University of Zurich
Transient Severe Arterial Phase Motion
Eovist vs. Dotarem Healthy Volunteer MRI
The purpose of this study is to evaluate changes in volunteer breath-holding capacity in response to gadoxetate disodium (Eovist) administration, compared with saline, and gadoterate dimeglumine (Dotarem).
- Trial name
- NCT02431598
- Testing
- gadoxetate disodium, gadoterate dimeglumine, Saline
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Duke University
Child Development, Adhd
Reducing Head Motion With Customized Head Mold in Young Children
The purpose of this study is to assess the safety and efficacy of a customized head mold for reducing head motion during MRI scanning in young children.
- Conditions
- Child Development, Adhd, Neuroimag
- Trial name
- NCT04817059
- Testing
- Caseforge headcase
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Movement Artifacts During SpO2 Measurements, Reduced Perfusion During SpO2 Measurements
SpO2 Measurement Depending on Different Pulse Oximeter Averaging Time Settings
The aim of this study is to characterize the noise in the SpO2 signal depending on different pulse oximeter averaging time settings.
- Trial name
- NCT04933773
- Testing
- Movement artifact - knocking, Movement artifact - tremor, Artifact - ambient light
- Where
- Czechia
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Czech Technical University in Prague
Movement, Involuntary
NIBP (Non-invasive Blood Pressure) Algorithm Enhancements (Characterize the Robustness of Motion Artifact Suppression)
The study intervention consists of a non-invasive blood pressure (NIBP) measurement device and cuff (FDA-cleared Philips IntelliVue X3 Rev.
- Trial name
- NCT05185037
- Testing
- Philips IntelliVue X3 patient monitor with investigational NIBP measurement algorithm (measured once per 3 minutes)
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- Philips Clinical & Medical Affairs Global
Bladder Cancer, Bladder Cancer Stage I
Loop Resection or Cold-cup Biopsy? A Study Comparing the Accuracy of Muscle Samples During Bladder Tumor Surgery
In this report the investigators compared two deep muscle sampling methods (Loop resection and Cold-Cup Biopsy) during endoscopic resection of bladder tumors for patients with suspected bladder cancer in Tygerberg hospital.
- Conditions
- Bladder Cancer, Bladder Cancer Stage I, TURBT
- Trial name
- NCT06796413
- Testing
- Loop Resection or Cold-cup biopsy
- Where
- South Africa
- Volunteers
- 120 people
- Sponsor
- University of Stellenbosch
Prosthetic Joint Infection, Unicompartmental Knee Arthroplasty
Metal Artifact Reduction Sequence MRI for Surgical Decision-Making in Infected Unicompartmental Knee Arthroplasty
A single-center retrospective cohort study was conducted in the Department of Orthopedics of Fujian Medical University Affiliated First Hospital.
- Trial name
- NCT07208968
- Where
- China
- Volunteers
- 28 people
- Sponsor
- First Affiliated Hospital of Fujian Medical University