abstract：RATIONALE AND OBJECTIVES:Balloon dilatation is a mechanical form of controlled injury used to alleviate vascular stenoses. Several factors influence successful angioplasty. Few mechanical models exist to illustrate the physical principles of balloon dilatation. METHODS:We used mechanical analysis of membrane stresses,...

journal_title：Academic radiology

authors： Kinney TB,Lee MJ,Mueller PR,Waltman AC

更新日期：1995-05-01 00:00:00

abstract：:Disturbances in blood capillary exchange of fluid, macromolecules, and cells across intact and abnormal microvessels and deranged lymphatic transport are integral, interacting components in disorders of tissue swelling. Lymphedema or low-output failure of the lymph circulation is often indolent for many years before l...

journal_title：Academic radiology

authors： Witte CL,Witte MH

更新日期：1995-04-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We compared the performance of fast spin-echo (FSE) with conventional spin-echo (CSE) magnetic resonance (MR) imaging sequences in the detection of meniscal tears. METHODS:Seventy-three patients underwent MR examination of the knee for suspected internal derangement. Each patient was scanned w...

journal_title：Academic radiology

authors： Anderson MW,Raghavan N,Seidenwurm DJ,Greenspan A,Drake C

更新日期：1995-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We tested deployment feasibility and intraarterial biocompatibility of polyethylene terephthalate (PET) self-expandable vascular stents in a porcine peripheral artery model. METHODS:To assess the thrombogenicity and neointimal response to oversized PET self-expandable stents, we implanted 10 s...

journal_title：Academic radiology

authors： De Scheerder IK,Wilczek KV,Verbeken EV,Barios L,Piessens J,De Geest H

更新日期：1995-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Simultaneous single-photon emission computed tomography (SPECT) neuroimaging with both technetium-99m (99mTc) hexamethylpropyleneamine oxime (HMPAO) and iodine-123 (123I) N-isopropyl-iodoamphetamine is a recently introduced method with potential for assessing activation phenomena in the brain. ...

journal_title：Academic radiology

authors： Bushnell DL,Madsen M,Cremer S,Kahn D,Kirchner PT

更新日期：1995-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:I developed a volume estimation technique for the crescentic volume of the right ventricle (RV) of the heart. A geometric model was desired to avoid the lengthy data collection and reduction required by Simpson's rule. METHODS:An ellipsoidal shell model was developed that requires only simple ...

journal_title：Academic radiology

authors： Denslow S

更新日期：1994-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We evaluated the inter- and intraobserver reproducibility of measuring five morphologic parameters of the anorectum in defecography (evacuation proctography). METHODS:Measurements from 42 defecographic studies were statistically analyzed. The parameters measured during resting, squeezing, and ...

journal_title：Academic radiology

authors： Yang X,Partanen K,Farin P,Ji H,Soimakallio S

更新日期：1994-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of this prospective randomized study was to compare the long-term instructional effectiveness of a computer-based radiology multimedia textbook (MMTB) with that of a traditional lecture. METHODS:Volunteer faculty/fellows and residents were randomly assigned to either a computer-bas...

journal_title：Academic radiology

authors： Erkonen WE,D'Alessandro MP,Galvin JR,Albanese MA,Michaelsen VE

更新日期：1994-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:A survey of chief residents of academic radiology programs is conducted annually on behalf of the American Association of Academic Chief Residents in Radiology (A3CR2). Data are obtained to improve the training of diagnostic radiology residents and to increase the understanding of radiologists ...

journal_title：Academic radiology

authors： Oser AB,Baker SM,Wilson AJ,Evens RG

更新日期：1994-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:In percutaneous ethanol injection therapy, uncontrolled spread of ethanol sometimes causes complications. This study tested the accuracy of ultrasonography in showing the spread of ethanol during injection in normal postmortem pig livers. METHODS:Methylene blue-stained 96% (vol) ethanol (0.5-2...

journal_title：Academic radiology

authors： Tapani E,Vehmas T,Taavitsainen M

更新日期：1994-09-01 00:00:00