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Articles 31 - 60 of 98
Full-Text Articles in Life Sciences
Nuclear Magnetic Resonance: Current And Future Clinical Applications, Jerry W. Froelich, David O. Hearshen, Robert D. Halpert, Suresh Patel
Nuclear Magnetic Resonance: Current And Future Clinical Applications, Jerry W. Froelich, David O. Hearshen, Robert D. Halpert, Suresh Patel
Henry Ford Hospital Medical Journal
Nuclear magnetic resonance has evolved from a laboratory analytical tool to become a rapidly developing discipline in clinical medicine. We present a brief historical overview, an introduction to the basic principles of the phenomenon, and a statement of the current status of clinical imaging. We have elected to use the traditional terminology nuclear magnetic resonance to refer to the imaging component of the field rather than the American College of Radiology (ACR) modification magnetic resonance. We do this out of respect for the founders of the field.
Percutaneous Nephrolithotomy: Current Methods And The Henry Ford Hospital Experience, P. C. Shetty, Rajinder P. Sharma, Raymond H. Littleton, Gary A. Krasicky, Matthew W. Burke, Brian J. Miles, James H. Thrall, Joseph C. Cerny
Percutaneous Nephrolithotomy: Current Methods And The Henry Ford Hospital Experience, P. C. Shetty, Rajinder P. Sharma, Raymond H. Littleton, Gary A. Krasicky, Matthew W. Burke, Brian J. Miles, James H. Thrall, Joseph C. Cerny
Henry Ford Hospital Medical Journal
The combined radiologic/urologic approach to percutaneous renal stone extraction has been practiced at Henry Ford Hospital since November of 1982. This article describes the current methodology and reviews our experience in performing 121 percutaneous nephrolithotomies (PCNL). We conclude that PCNL is a safe, reliable, and cost-effective alternative to open nephrolithotomy in most patients.
Current Concepts Of Metabolic Functional Imaging With Positron Emitters, John W. Keyes Jr.
Current Concepts Of Metabolic Functional Imaging With Positron Emitters, John W. Keyes Jr.
Henry Ford Hospital Medical Journal
Positron emitting radionuclides have unique properties that make them nearly ideal as radioactive tracers for in vivo metabolic studies. Using positron emission tomographic (PET) scanning and positron-labeled radiopharmaceuticals, one can study local glucose metabolism in tissues, blood flow, oxygen utilization, protein synthesis, and many other functions noninvasively in normal subjects and patients who have various diseases. A review of some of these techniques and the relative advantages and problems associated with the PET approach is presented.
Applications Of Magnetic Resonance Imaging In Clinical Urology, Barbara A. Demas, Hedvig Hricak
Applications Of Magnetic Resonance Imaging In Clinical Urology, Barbara A. Demas, Hedvig Hricak
Henry Ford Hospital Medical Journal
During the past two years, the value of magnetic resonance imaging (MRI) in the diagnosis and staging of a variety of urologic neoplasms has been demonstrated, and the ability of MRI to determine sites of renal obstruction and causes of posttransplant renal failure have been reported. Its excellent soft-tissue contrast resolution has allowed accurate delineation of regional anatomy in the kidney, prostate gland, urinary bladder, urethra, uterus, and vagina. The importance of MRI in the urologic diagnosis is expected to increase as clinical imaging systems become widely available.
Stability In Mechanical Expansion Of The Maxilla With Surgical/Mechanical Expansion Of The Mandible In An Adult Baboon, Robert D. Mitchell
Stability In Mechanical Expansion Of The Maxilla With Surgical/Mechanical Expansion Of The Mandible In An Adult Baboon, Robert D. Mitchell
Loma Linda University Electronic Theses, Dissertations & Projects
Expansion of the maxilla at the midpalatal suture has had much investigation and is a recognized option in orthodontic therapy. Lateral expansions of the mandible through surgical separation at the symphysis have been done in animal studies. A combination of these procedures has not yet been done together.
The purpose of this study was to expand both the maxilla and the mandible of a baboon simultaneously while maintaining occlusion. The amount of expansion and stability was studied using photographs, models, cephalograms, and tetracycline bone labels using U.V. microscopy.
A young adult baboon with full dentition and normal occlusion was used. …
A Study Of Transferable Antibiotic Resistance In Enteric Bacteria, Charles H. Regeski
A Study Of Transferable Antibiotic Resistance In Enteric Bacteria, Charles H. Regeski
Loma Linda University Electronic Theses, Dissertations & Projects
A group of 48 enteric bacteria was selected from a total of 170 at Loma Linda University Medical Center because of resistance to three or more antibiotics. They were examined to see if any of the antibiotic resistances were transferred by conjugation to either of two recipient bacteria. These were a restrictionless, antibiotic sensitive, azide resistant mutant of Escherichia coli K 12 designated E. coli 1228 and a similar phenotypic strain of Salmonella typhimurium LT2 designated LB 5000. Forty-three transferred one or more antibiotic resistances to either or both recipients, a frequency of 25.3% of the total bacteria and 89.6% …
Cryptosporidiosis In The Immunosuppressed Mouse And In Cell Culture, Mercy Prabhu Das
Cryptosporidiosis In The Immunosuppressed Mouse And In Cell Culture, Mercy Prabhu Das
Loma Linda University Electronic Theses, Dissertations & Projects
Cryptosporidiosis is a parasitic infection primarily of animals that has been recently recognized as an important disease in immunocompromised humans. Most cases to date have occurred in patients with acquired immunodeficiency syndrome (AIDS). Persons with abnormal humoral or cellular immune function, and even normal subjects, have also been affected.
To determine whether or not mice, when experimentally immunosuppressed, would develop cryptosporidiosis, a test was designed using the AKR/J strain. This strain was selected because, it was previously reported that it was the strain shown to respond most readily to the production of disease caused by the opportunistic protozoan, Pneumocystis carinii …
Cerebral Angiography In Posterior Fossa Revascularization, Roushdy S. Boulos, Suresh Patel, Bharat Mehta, Clifford Jack
Cerebral Angiography In Posterior Fossa Revascularization, Roushdy S. Boulos, Suresh Patel, Bharat Mehta, Clifford Jack
Henry Ford Hospital Medical Journal
With advances in microsurgical techniques and refinement of cerebral angiography, many new surgical approaches for the treatment of vertebrobasilar insufficiency (VBI) have been developed. Detailed selective cerebral angiography is essential for confirming the clinical diagnosis, for demonstrating the exact anatomical and topographical vascular pathology, and for deciding on the best surgical procedure. Angiography is recommended to evaluate treated patients both in the early and late postoperative periods. It is an essential element of any future randomized study to assess the value of surgical vs medical treatment of patients with VBI. The benefits of cerebral angiography far outweigh the small risk …
Digital Radiography: A Review, David J. Kastan, Laurens V. Ackerman, Peter J. Feczko, Gordon H. Beute
Digital Radiography: A Review, David J. Kastan, Laurens V. Ackerman, Peter J. Feczko, Gordon H. Beute
Henry Ford Hospital Medical Journal
The fully digital radiology department remains a radiologist's dream. The technology necessary for implementation does not yet exist other than in prototype form. When the technology catches up with the radiologist's ideas, many new capabilities will exist. Electronically stored images will be available for viewing wherever a computer terminal exists. The problem of film loss would be nonexistent. Images could be quickly transmitted for interpretation via microwave networks to sites far removed from where they are acquired. Patient radiation exposure would decrease. Computers would help decrease perception errors and would assist in image interpretation. It may be ten years before …
Preliminary Experience With Digital Subtraction Angiography In Cardiac Evaluation, Matthew W. Burke, P. C. Shetty, Rajinder Sharma, James F. Brymer, Fareed Khaja
Preliminary Experience With Digital Subtraction Angiography In Cardiac Evaluation, Matthew W. Burke, P. C. Shetty, Rajinder Sharma, James F. Brymer, Fareed Khaja
Henry Ford Hospital Medical Journal
iVe report our initial experience using digital subtraction angiography (DSA) techniques for cardiac evaluation. DSA of the heart may be performed with intravenous or right atrial injection of contrast medium (IVDSA) and with left ventricular or aortic root contrast injection (lADSA). The right ventricle and the atria are best demonstrated by IVDSA, while the left ventricle and coronary arteries are best demonstrated by lADSA. The advantages and disadvantages of DSA ofthe bean are discussed. Present equipment limitations restrict the routine use of cardiac DSA, but these should be overcome with advances in technology.
Artificial Intelligence And Image Processing, Laurens V. Ackerman, Matthew W. Burke
Artificial Intelligence And Image Processing, Laurens V. Ackerman, Matthew W. Burke
Henry Ford Hospital Medical Journal
The evolution of artificial intelligence since the 1950s is discussed, especially as it is being applied in radiology to image processing. Developments in artificial intelligence are now being used to provide a new approach to image processing. Initially, the computer dealt with numeric representations using languages such as FORTRAN and BASIC. Now symbolic languages such as LISP and PROLOG have expanded the use of the computer into nonnumeric symbolic reasoning that is just being applied to image understanding. This paper explains the new languages and their application to image understanding.
Santa Clara Magazine, Volume 27 Number 7, Summer 1985, Santa Clara University
Santa Clara Magazine, Volume 27 Number 7, Summer 1985, Santa Clara University
Santa Clara Magazine
2 - COMMON COURTESY By Thomas J. Peters. Competitive advantage is boiled down to service, quality, and courtesy. Everyone should provide it. Why else be in business?
9 - THE RISE AND FALL OF OPEC By T John Whalen, Jr. Traces the evolution of OPEC, discusses the dominant factors that led to its loss of power, and analyzes its impact on world oil prices and supplies.
13 - AN AFFLUENT AMERICAN RESPONDS TO GLOBAL POVERTY By William J. Wood, S.J. A Jesuit reflects on global poverty and explains why he is an affluent American, and describes those who are in …
Aspects Of Cardiovascular Oxygen Transport In Vertebrates, Michael Scott Hedrick
Aspects Of Cardiovascular Oxygen Transport In Vertebrates, Michael Scott Hedrick
Dissertations and Theses
The hematological and rheological characteristics of blood from a number of vertebrates was compared to assess possible species differences in blood viscosity that may influence cardiovascular oxygen transport. Nucleated red blood cells (RBCs) were more viscous (measured by cone-plate viscometry) in comparison with enucleate (mammalian) RBCs at hematocrits greater than 40% when measured at equivalent temperatures. The lower viscosity of enucleate RBCs is attributed to an enhanced deformability of enucleate cells in comparison to nucleated cells.
One Man’S Beef, William Severini Kowinski
One Man’S Beef, William Severini Kowinski
Profiles
Henry Spira believes that animals have rights but no say. He speaks for all species.
Autoregulation Of Collagenase Production By A Protein Synthesized And Secreted By Synovial Fibroblasts: Cellular Mechanism For Control Of Collagen Degradation, Constance Brinckerhoff, Mary Benoit, William Culp
Autoregulation Of Collagenase Production By A Protein Synthesized And Secreted By Synovial Fibroblasts: Cellular Mechanism For Control Of Collagen Degradation, Constance Brinckerhoff, Mary Benoit, William Culp
Dartmouth Scholarship
No abstract provided.
Visual Evoked Potentials In The Great Apes, Sarah T. Boysen, Gary G. Berntson
Visual Evoked Potentials In The Great Apes, Sarah T. Boysen, Gary G. Berntson
Sentience Collection
No abstract provided.
The Development Of Multispecialty Group Practice At Henry Ford Hospital Through The Years, Bruce W. Steinhauer
The Development Of Multispecialty Group Practice At Henry Ford Hospital Through The Years, Bruce W. Steinhauer
Henry Ford Hospital Medical Journal
No abstract provided.
Electron Microscopic Examination Of Various Types Of Ancient Specimens, Jeanne M. Riddle
Electron Microscopic Examination Of Various Types Of Ancient Specimens, Jeanne M. Riddle
Henry Ford Hospital Medical Journal
No abstract provided.
In Defense Of The Pickwickian Syndrome, Howard Markel
In Defense Of The Pickwickian Syndrome, Howard Markel
Henry Ford Hospital Medical Journal
No abstract provided.
Metastatic Bronchogenic Carcinoma Simulating Osteoarthritis, David Wendt, Paul Kvale
Metastatic Bronchogenic Carcinoma Simulating Osteoarthritis, David Wendt, Paul Kvale
Henry Ford Hospital Medical Journal
No abstract provided.
Leiomyosarcoma Of The Heart: A Twenty-Year Cure, Gerald Fine, B. Usha Raju
Leiomyosarcoma Of The Heart: A Twenty-Year Cure, Gerald Fine, B. Usha Raju
Henry Ford Hospital Medical Journal
Excision of a predominantly intracavitary right atrial tumor, which mimicked a number ofother clinical disorders, effected a 20-year cure. Microscopic, ultrastructural, and immunocytochemical characteristics of the tumor were those of smooth muscle; cellular anaplasia, mitotic activity and tumor infiltration of the auricular myocardium indicated malignant neoplasia, a leiomyosarcoma. Distribution of the tumor was consistent with its origin from the auricular endocardium.
Central Pontine Myelinolysis In A Patient With Adrenal Insufficiency, John E. Brunner
Central Pontine Myelinolysis In A Patient With Adrenal Insufficiency, John E. Brunner
Henry Ford Hospital Medical Journal
Central pontine myelinolysis is a demyelinating process that has occurred in association with rapid correction of hyponatremia. Presented here is the case of a patient who had adrenal insufficiency and who experienced signs of central pontine myelinolysis after rapid correction of severe hyponatremia (28 mEq/L of sodium administered in the first 24 hours, initial serum sodium level 97mEq/L). Sustained hyponatremia and the use of intravenous contrast material after hyponatremia correction are discussed as possible risk factors in the development of central pontine myelinolysis.
Diagnosis Of Hepatic Portal Venous Gas By Computed Tomography: Role Of Intravenous Contrast Material, Allan M. Haggar, Michael A. Sandler, Martin L. Gross, Beatrice L. Madrazo
Diagnosis Of Hepatic Portal Venous Gas By Computed Tomography: Role Of Intravenous Contrast Material, Allan M. Haggar, Michael A. Sandler, Martin L. Gross, Beatrice L. Madrazo
Henry Ford Hospital Medical Journal
We describe a case of hepatic portal venous (HPV) gas. The diagnosis was assisted by findings of computed tomography (CT). The HPV gas resulted from a diverticular abscess in a patient who had a stable clinical course. If the possibility of HPV gas exists, scanning without intravenous administration of contrast material should be performed. If postcontrast scans alone are obtained, the opacified portal blood may mask small amounts of HPV gas, as was true in this case. Also, postcontrast scans can easily distinguish HPV gas from air within the biliary tree if findings of precontrast scans are equivocal.
Adverse Interactions Of Drugs In Critical Care Patients, Barbara Zarowitz, William Conway, John Popovich Jr.
Adverse Interactions Of Drugs In Critical Care Patients, Barbara Zarowitz, William Conway, John Popovich Jr.
Henry Ford Hospital Medical Journal
No abstract provided.
The Invalidity Of Monitoring Transcutaneous Oxygen Tension In Patients Who Have Chronic Renal Failure, John R. Armstrong, Thomas W. Kreps, William A. Conway, Francis Dumler, John Popovich Jr.
The Invalidity Of Monitoring Transcutaneous Oxygen Tension In Patients Who Have Chronic Renal Failure, John R. Armstrong, Thomas W. Kreps, William A. Conway, Francis Dumler, John Popovich Jr.
Henry Ford Hospital Medical Journal
We assessed accuracy of monitoring transcutaneous oxygen tension (PtcO2) in patients with chronic renal failure (CRF). Sixteen stable individuals undergoing chronic maintenance hemodialysis were studied. Correlations between simultaneously determined PtcO2 and arterial oxygen tension (PaO2) were made both before and during dialysis. Comparisons were made with a group of 22 consecutive patients in whom respiration was mechanically assisted, who were hemodynamically stable (urine output greater than 30 mL/hour, pulse less than 130 beats/min, and mean arterial blood pressure greater than 80 mm Hg in the absence of pressor agents), and who had normal renal function.
Among CRF patients, the correlation …
Dr Frank J. Sladen: The Osler Connection, Richmond W. Smith Jr.
Dr Frank J. Sladen: The Osler Connection, Richmond W. Smith Jr.
Henry Ford Hospital Medical Journal
No abstract provided.