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BRL Abstracts Database |
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Your search for ultrasound produced 3296 results. Page 52 out of 330
| Title |
Biologic effects of ultrasound. |
| Author |
Baldes EJ,Herrick JF, Stroebel CF. |
| Journal |
Am J Phys Med |
| Volume |
|
| Year |
1958 |
| Abstract |
It has been stressed repeatedly in the United States that when ultrasound is to be used as a therapeutic agent, it is essential to know the primary effects which are responsible for a particular biologic reaction. These ?biologic reactions? are comprised of certain responses to the primary effects of ultrasound (1). Certain quantitative measurements are necessary for understanding the reaction pathways so that safe dosages and applications technics can be used most effectively (2-4). |
| Title |
Biologic effects of ultrasound. |
| Author |
Maulik D. |
| Journal |
Clin Obstet Gynecol |
| Volume |
|
| Year |
1989 |
| Abstract |
No abstract available. |
| Title |
Biological action of ultrasound and super-high frequency electromagnetic oscillations. |
| Author |
Gorodetskiy AA. |
| Journal |
Rep U S Dept Commerce NTIS |
| Volume |
|
| Year |
1965 |
| Abstract |
No abstract available. |
| Title |
Biological action of ultrasound in.relation to the cell cycle. |
| Author |
Clarke PR, Hill CR. |
| Journal |
Exp Cell Res |
| Volume |
|
| Year |
1969 |
| Abstract |
Abstract not available. |
| Title |
Biological aspects and clinical importance of ultrasound therapy in bone healing. |
| Author |
Erdogan Ö,Esen E. |
| Journal |
J Ultrasound Med |
| Volume |
|
| Year |
2009 |
| Abstract |
Objectives. The purpose of this study was to review past and recent literature findings regarding the effects of ultrasound therapy on bone healing and its clinical efficacy in medical and dental interventions. Methods. A literature review was conducted on the effects of ultrasound therapy on bone healing. The studies regarding clinical applications in long bones and maxillofacial bones were evaluated separately from each other. Results. The effects of therapeutic ultrasound on bone healing have been studied for half a century. Numerous clinical and experimental studies have addressed this relationship, and many of them have shown positive correlations. Although several theories have been proposed to explain the mechanism of action, the exact mechanism has not been fully understood. Conclusions. Therapeutic ultrasound therapy in clinical settings is a noninvasive application and has no serious complications or side effects. It may be an acceptable treatment of choice in many types of clinical procedures involving maxillofacial bones.
Key Words: bone healing • bone remodeling • fracture • low-intensity ultrasound • maxillofacial surgery • orthopedic surgery • therapeutic ultrasound.
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| Title |
Biological consequences of hyperthermia. |
| Author |
Miller MW, Ziskin MC. |
| Journal |
Ultrasound Med Biol |
| Volume |
|
| Year |
1989 |
| Abstract |
Because of the potential for certain modalities of clinical ultrasound to cause tissue heating, it was deemed important to survey the literature for reports on temperatures and hyperthermia exposure durations at which biological effects occur in a wide spectrum of organisms. In general the higher the temperature or the longer the hyperthermia exposure, the greater the chance for observing a perturbation to the biological system. Special attention was given to ascertaining temperature exposure conditions below which no biological effects have been reported. The physical mechanism(s) by which heat produces biological effects is(are) not known but substantial quantities of empirically derived data have allowed for the calculation of exposure temperature-duration equivalences. It appears reasonably well established that short exposures to sharply-elevated temperatures result in a protective effect against further thermal insult; the generation of heat shock proteins by cells coincides with the onset of such "thermal protection." The information contained in this review indicates an absence of reported effects in animals below 39 degrees C. |
| Title |
Biological effect of high frequency ultrasound. |
| Author |
Arkhipov NS. |
| Journal |
Ultrasonics |
| Volume |
|
| Year |
1969 |
| Abstract |
No Abstract Available. |
| Title |
Biological effect of high-frequency ultrasound. |
| Author |
Arkhipov NS, Bogin YuN. |
| Journal |
Ther Arch |
| Volume |
|
| Year |
1968 |
| Abstract |
No abstract available. |
| Title |
Biological effect of high-frequency ultrasound. |
| Author |
Arkhipov NS et al. |
| Journal |
Rep Joint Pub Research Services |
| Volume |
|
| Year |
1969 |
| Abstract |
No abstract available. |
| Title |
Biological effects and measurement approaches for ophthalmic ultrasonography. |
| Author |
Lizzi FL. |
| Journal |
Rep Riverside Res Inst |
| Volume |
|
| Year |
Unknown (late 70's) |
| Abstract |
Summary of presentation to: Biologic effects of ultrasound subcommittee obstetrical and gynecological device classification panel. Bureau of medical devices and diagnostic products food and drug administration. |
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