The registration of pre-operative volumetric datasets to intra-operative two-dimensional images provides an improved way of verifying patient position and medical instrument location. In applications from orthopedics to neurosurgery, it has a great value in maintaining up-to-date information about changes due to intervention. This paper proposes a mutual information-based registration algorithm...
The goal of this paper is to assess the predictive capacity of computational models of transvenous defibrillation by comparing the results of patient-specific simulations to clinical defibrillation thresholds DFT. Nine patient-specific models of the thorax and in situ electrodes were created from segmented CT images taken after implantation of the...
Conventional transvenous defibrillation is performed with an ICD using a dual current pathway. The defibrillation energy is delivered from the RV electrode to the superior vena cava SVC electrode and the metallic case CAN of the ICD. Biventricular defibrillation uses an additional electrode placed in the LV free wall with...
Small bowel MRI Magnetic Resonance Imaging is a new imaging modality which excellently depicts small intestine pathology in patients with inflammatory bowel disease. Virtual endoscopy based on sectional imaging is a recently introduced technique to create endoscopy like views. The aim of this study was to evaluate the feasibility of...
Orientation and shape of the acetabulum was determined by the use of three dimensional reconstruction of CT data sets in 22 patients with a total of 30 slipped capital femoral epiphyses. They developed an interactive three dimensional software program to measure the anteversion and inclination of the acetabulum without projectional...
A three-dimensional analysis based on CT was performed to study the 3D geometry of the proximal femur in cases of slipped capital femoral epiphysis SCFE. For this purpose, new interactive software was developed to analyze hip joint geometry using three-dimensional models without pelvis tilting and projected errors. 22 patients, 8...
SCFE is defined as the slippage of the femoral head relative to the femoral neck along the proximal femoral growth plate. The femoral head shifts and rotates along the proximal end of the femoral neck usually posteriorly and inferiorly. Furthermore, a program was developed to simulate different techniques of osteotomies....
Clinical information systems typically present patient data in chronologic order, organized by the source of the information (e.g., laboratory, radiology). This study evaluates the functionality and utility of a knowledge-based system that generates concept oriented views organized around clinical concepts such as disease or organ system of clinical data. Computer-generated,...
Standard transvenous defibrillation is performed with implantable cardioverter defibrillators ICD using a dual-current pathway. The defibrillation energy is delivered from the right ventricle RV electrode to the superior vena cava SVC electrode and the ICD metallic housing. Clinical studies of biventricular defibrillation, which uses an additional electrode, placed on the...
The goal of this paper is to assess the predictive capacity of computational models of transvenous defibrillation by comparing the results of patient-specific simulations to clinically determined defibrillation metrics. Solutions for seven patient-specific models have been completed. The 3-D models of the thorax and in situ electrodes were created from...
This paper evaluates an image registration technique which can improve the information content of intra-operative image data by deformable matching of pre-operative images. In this paper, pre-treatment 1.5 tesla T magnetic resonance MR images of the prostate are registered with 0.5 T intra-operative images. The method involves rigid and non-rigid...
More Than 1,200 Patients Now Followed to Three Years MINNEAPOLIS -- According to new data released today at the American College of Cardiology meeting, Medtronic's Endeavor drug-eluting stent has a safety profile more commonly associated with a bare-metal stent, long considered a benchmark for stent safety. ...
Wireless News03-28-2008Phase Forward and Harvard Clinical Research Institute to Showcase at American College of Cardiology Scientific ConferenceWIRELESS NEWS-March 28, 2008-Phase Forward and Harvard Clinical Research Institute to Showcase at American College of Cardiology Scientific Conference C2008 10Meters - http://www.10meters.com Phase Forward, a provider of data management solutions for clinical...
Companies to Illustrate Impact of Phase Forward's EDC Technologies on HCRI's Cardiac Device Clinical Trials WALTHAM, Mass. -- Phase Forward (NASDAQ: PFWD), a leading provider of data management solutions for clinical trials and drug safety, and Harvard Clinical Research Institute HCRI, an academic research organization working with sponsors...
The American College of Sports Medicine ACSM is launching a new national campaign called "Exercise is Medicine [TM]" to educate and train health care professionals on how to effectively prescribe regular exercise for their patients. As the ACSM states, "This large-scale exercise initiative calls on physicians, regardless of specialty, and...
Byline: Andis Robeznieks Gordon Schiff is leaving his posts as director of clinical quality research and improvement at Chicago's 460-bed John H. Stroger Jr. Hospital of Cook County and professor of medicine at Rush Medical College to become an associate professor at Harvard...
Tawakol et al. from the Massachusetts General Hospital and Harvard Medical School Boston reported in the November 7 issue of the Journal of the American College of Cardiology (2006;48:1818-1824) on a study designed to determine whether ^sup 18^-FDG PET could measure atherosclerotic carotid plaque inflammation in patients who subsequently underwent...
PHILADELPHIA -- There are just as many systems failures at the root of malpractice cases as individual errors or negligence, Dr. Luke Sato said at the annual meeting of the American College of Physicians. For example, the Risk Management Foundation of the Harvard Medical...
PHILADELPHIA -- There are just as many systems failures at the root of malpractice cases as individual errors or negligence, Dr. Luke Sato said at the annual meeting of the American College of Physicians. For example, the Risk Management Foundation of the Harvard Medical...
PHILADELPHIA -- There are just as many systems failures at the root of malpractice cases as individual errors or negligence, Dr. Luke Sato said at the annual meeting of the American College of Physicians. For example, the Risk Management Foundation of the Harvard Medical Institutes Inc., the insurance...
Articles 2006-07-01
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