ABSTRACTNeuroimaging allows noninvasive evaluation of the anatomy, physiology, and function of the brain. It is widely used for diagnosis, treatment planning, and treatment evaluation of neurological disorders as well as understanding functions of the brain in health and disease. Neuroimaging modalities include X-ray computed tomography (CT), magnetic resonance imaging (MRI), single photon emis...

BACKGROUND Assessment of hepatic fibrosis stage in patients with chronic hepatitis B (CHB) is indispensable for prognosis evaluation and therapeutic regime. Noninvasive tests are fast, safe and cheap and need low technical requirements for diagnosing hepatic fibrosis in CHB patients. OBJECTIVES Using the latent class model with a random-factor to estimate relative accuracy of noninvasive test...

Below is a discussion of an FDA-approved noninvasive Functional Electrical Stimulation (FES) System for ambulation by traumatic T1 to T12 paraplegics having no sensation and no motor function below their spinal cord injury (SCI). The system’s ambulation training, its ambulation performance evaluation and its medical evaluation are summarized.

BACKGROUND Services provided by cardiologists represent a major portion of Medicare expenditures for specialist physicians. The absolute growth and distribution of these services over the past decade have not been well described. METHODS AND RESULTS We analyzed fee-for-service Medicare Part B claims for each year from 1999-2008 and selected claims from physicians whose specialty code was card...

OBJECTIVE The purpose of this study was to review and illustrate various clinical applications of phase-contrast MRI. CONCLUSION Cardiac MRI has emerged as a valuable noninvasive clinical tool for evaluation of the cardiovascular system. Phase-contrast MRI has a variety of established applications in quantifying blood flow and velocity and several emerging applications, such as evaluation of ...

OBJECTIVE This study compared the performance of a novel noninvasive technology to fasting plasma glucose (FPG) and A1C tests for detecting undiagnosed diabetes and impaired glucose tolerance. RESEARCH DESIGN AND METHODS The design was a head-to-head evaluation in a naïve population. Consented subjects received FPG and A1C tests and an oral glucose tolerance test (OGTT). Subjects were also me...

coronary heart disease (cad) is the leading cause of death specially among elderly. coronary angiography is the best diagnostic method in the patients, but is unfortunately an invasive procedure with its inherent risks. myocardial perfusion scan is a noninvasive and sensitive method for evaluation of cad and is suggested by many investigators in recent years. in this study, 64 patients who had ...

meckel's diverticulum is a common congenital disorder which may result in gl bleeding. for definite diagnosis before surgery, radiographic procedures such as small intestine barium studies are not greatly successful; on the other hand tc-99m-pertechnetate imaging is a physiologic and noninvasive method with high sensitivity and specificity. in this report, three patients with rectorrhagia,...

Contemporary professional society recommendations for patients presenting to the emergency department with acute chest pain and low clinical risk encourage noninvasive testing for coronary artery disease (CAD) before, or shortly after, discharge from the emergency department. Recent reports indicate that a strategy of universal testing has a low diagnostic yield and may not be necessary. We exa...