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9011 studies found for:    Northwestern AND Radiology OR Xray OR CAT scan
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Rank Status Study
1 Completed The Use of X-ray in Bariatric Surgeries
Conditions: Complications of Bariatric Procedures;   X-rays; Effects
Intervention: Device: x-ray
2 Recruiting Abdominal Plain X-ray in the Emergency Departement
Conditions: Emergencies;   Diagnostic Imaging;   Abdomen, Acute
Intervention: Other: abdominal plain x-ray
3 Unknown  Improving Search Strategy for Identifying Urgent Conditions on the Chest X-ray
Condition: Using Expert Visual Search Strategy to Train Students to Read the Chest X-ray
Interventions: Other: training in visual search strategy;   Other: access to a library of chest x-rays without search strategy
4 Unknown  Low Dose Effects of X-rays in Pediatric Patients Undergoing a CT Examination.
Condition: Pediatric Patients Undergoing a Computed Tomography Examination
Intervention: Procedure: Blood test
5 Completed Specimen X-Rays of Removed Axillary Lymph Nodes to Guide Pathological Sampling
Condition: Breast Cancer
Intervention: Procedure: X-ray
6 Terminated X-Ray Computed Tomography and Blood Reactive Oxygen Species Level
Condition: Healthy
Intervention:
7 Recruiting Chest CT With Iterative Reconstruction as an Alternative to Conventional Chest X-ray Prior to Heart Surgery
Conditions: Cardiac Defects;   Disorder; Heart, Functional, Postoperative, Cardiac Surgery;   Stroke
Intervention: Other: CT scan
8 Recruiting Materialise X-ray Knee Guides for Total Knee Arthroplasty
Conditions: Arthroplasty;   Replacement;   Knee
Intervention: Device: X-Ray Knee Guide group
9 Completed A Multicenter, Randomized Study of Early Assessment by CT Scanning in Severely Injured Trauma Patients
Condition: Immediate Total Body CT Scanning in Trauma Patients.
Interventions: Other: Total body Computed Tomography.;   Other: Conventional imaging and selective CT scanning.
10 Recruiting Comparison of the Femoral Prothesis-rotation in Conventional X-ray, in Axial CT Slices and 3D-reconstructed CT
Condition: Osteoarthritis
Intervention: Other: Kanekasu radiographs
11 Not yet recruiting Zimmer CAS PSI X-Ray Knee in TKA (Total Knee Arthroplasty)
Condition: Total Knee Arthroplasty / Position of Customized X-Ray PSI Guides Using Optical Navigation
Intervention: Other: there is no intervention
12 Terminated Visualization of Anti-angiogenic Effects With Perfusion Computed Tomography (CTP)
Condition: Metastatic Colorectal Cancer
Intervention: Device: Computed tomography X-ray system
13 Completed
Has Results
X-ray Dose Reduction Study for Endovascular Interventional Radiology
Condition: Cardiovascular Disease
Interventions: Radiation: Low-dose DSA (83% reduction compared to normal dose) with novel X-ray imaging technology.;   Radiation: Normal dose DSA with conventional X-ray imaging technology
14 Completed A Prospective Trial Comparing the Cost of Post Operative X-rays for Fractures Treated With Stable Internal Fixation
Condition: Simplified Postoperative Radiographs
Interventions: Other: No-Xray;   Other: Xray
15 Completed Thoracic Computed Tomography Scan for Diagnosis of Aspirated Foreign Bodies.
Condition: Aspirated Foreign Body of Lower Respiratory Tract
Intervention: Procedure: Thoracic CT Scan
16 Not yet recruiting A Study to Compare the Efficacy and Safety of Ultrasound Guided Lead Implantation for Sacral Neuromodulation (SNM) in Subjects With Overactive Bladder (OAB) With X-Ray Guided Technique
Condition: Refractory Overactive Bladder
Interventions: Procedure: ultrasound;   Procedure: X-ray
17 Active, not recruiting Radiography Protocol in the Acute Phase After Proximal Femur Internal Fixation- Self Assessment and Recommendations
Condition: Pertrochanteric Fracture
Intervention: Radiation: X ray radiography
18 Not yet recruiting CT Scan and Lung Ultrasonography to Improve Diagnostic of Ventilation Acquired Pneumonia in ICU
Conditions: Ventilator-Associated Pneumonia;   Tracheobronchitis
Intervention: Other: CT Scan
19 Completed Xray Volume Imaging (Cone Beam CT) - Prostate Cancer
Condition: Prostatic Neoplasms
Intervention: Procedure: daily Xray volume imaging for planning radiotherapy
20 Unknown  Chest X-Ray or Chest CT Scan in Patients at High Risk of Developing Lung Cancer
Condition: Lung Cancer
Interventions: Procedure: annual screening;   Procedure: bronchoscopic and lung imaging studies;   Procedure: comparison of screening methods;   Procedure: computed tomography;   Procedure: radiography;   Procedure: study of high risk factors

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Study has passed its completion date and status has not been verified in more than two years.