Study of the mechanism of ultrasound angioplasty from human thrombi and bovine aorta
Ultrasound angioplasty is a newly developed technology for percutaneous arterial recanalization. Data suggest that ultrasound is particularly effective in ablating fresh thrombi. Arterial walls were found to be resistant to ultrasound ablation. Thrombi, aortic wall segments, and hydroxyproline gelat...
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| Veröffentlicht in: | The American journal of cardiology 1994-12, Vol.74 (12), p.1263-1266 |
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| container_title | The American journal of cardiology |
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| creator | Rosenschein, Uri Frimerman, Aron Laniado, Shlomo Miller, Hylton I. |
| description | Ultrasound angioplasty is a newly developed technology for percutaneous arterial recanalization. Data suggest that ultrasound is particularly effective in ablating fresh thrombi. Arterial walls were found to be resistant to ultrasound ablation. Thrombi, aortic wall segments, and hydroxyproline gelatin were studied in vitro to determine their respective ablation rates. The elasticity of the samples was determined in a force-mode apparatus. The cavitation threshold was determined in an arterial phantom apparatus. Thrombi displayed ablation rates that were >20 times higher than those of aortic wall samples (591 ± 82 vs 25 ± 14 mg/s, p < 0.001). The differences in ablation rates were accompanied by significantly lower elasticities in the thrombus group compared with those in the aortic wall group (0.16 ± 0.05 vs 312 ± 37 g/cm
2, p < 0.001). Experiments with hydroxyproline gelatin suggest a negative correlation (r = −0.90) between elasticity and ultrasound ablation. Ultrasound ablation of thrombi was evident only above the cavitation threshold. Thus, ultrasound angioplasty has the potential to induce the selective injury required for successful transluminal intervention in the treatment of thrombus-rich lesions. |
| doi_str_mv | 10.1016/0002-9149(94)90560-6 |
| format | Article |
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2, p < 0.001). Experiments with hydroxyproline gelatin suggest a negative correlation (r = −0.90) between elasticity and ultrasound ablation. Ultrasound ablation of thrombi was evident only above the cavitation threshold. Thus, ultrasound angioplasty has the potential to induce the selective injury required for successful transluminal intervention in the treatment of thrombus-rich lesions.</description><identifier>ISSN: 0002-9149</identifier><identifier>EISSN: 1879-1913</identifier><identifier>DOI: 10.1016/0002-9149(94)90560-6</identifier><identifier>PMID: 7977102</identifier><identifier>CODEN: AJCDAG</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Angioplasty ; Angioplasty - methods ; Animals ; Aorta - diagnostic imaging ; Biological and medical sciences ; Blood pressure ; Cardiovascular disease ; Cattle ; Diseases of the cardiovascular system ; Elasticity ; Humans ; Medical research ; Medical sciences ; Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) ; Thrombosis - therapy ; Ultrasonic imaging ; Ultrasonic Therapy ; Ultrasonography</subject><ispartof>The American journal of cardiology, 1994-12, Vol.74 (12), p.1263-1266</ispartof><rights>1994</rights><rights>1995 INIST-CNRS</rights><rights>Copyright Elsevier Sequoia S.A. Dec 15, 1994</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c479t-402fc0e7add0149412337a5ecfdbf807ec2c5848ad7d7c5e66bc7527eef185773</citedby><cites>FETCH-LOGICAL-c479t-402fc0e7add0149412337a5ecfdbf807ec2c5848ad7d7c5e66bc7527eef185773</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/0002914994905606$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3371604$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/7977102$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Rosenschein, Uri</creatorcontrib><creatorcontrib>Frimerman, Aron</creatorcontrib><creatorcontrib>Laniado, Shlomo</creatorcontrib><creatorcontrib>Miller, Hylton I.</creatorcontrib><title>Study of the mechanism of ultrasound angioplasty from human thrombi and bovine aorta</title><title>The American journal of cardiology</title><addtitle>Am J Cardiol</addtitle><description>Ultrasound angioplasty is a newly developed technology for percutaneous arterial recanalization. Data suggest that ultrasound is particularly effective in ablating fresh thrombi. Arterial walls were found to be resistant to ultrasound ablation. Thrombi, aortic wall segments, and hydroxyproline gelatin were studied in vitro to determine their respective ablation rates. The elasticity of the samples was determined in a force-mode apparatus. The cavitation threshold was determined in an arterial phantom apparatus. Thrombi displayed ablation rates that were >20 times higher than those of aortic wall samples (591 ± 82 vs 25 ± 14 mg/s, p < 0.001). The differences in ablation rates were accompanied by significantly lower elasticities in the thrombus group compared with those in the aortic wall group (0.16 ± 0.05 vs 312 ± 37 g/cm
2, p < 0.001). Experiments with hydroxyproline gelatin suggest a negative correlation (r = −0.90) between elasticity and ultrasound ablation. Ultrasound ablation of thrombi was evident only above the cavitation threshold. Thus, ultrasound angioplasty has the potential to induce the selective injury required for successful transluminal intervention in the treatment of thrombus-rich lesions.</description><subject>Angioplasty</subject><subject>Angioplasty - methods</subject><subject>Animals</subject><subject>Aorta - diagnostic imaging</subject><subject>Biological and medical sciences</subject><subject>Blood pressure</subject><subject>Cardiovascular disease</subject><subject>Cattle</subject><subject>Diseases of the cardiovascular system</subject><subject>Elasticity</subject><subject>Humans</subject><subject>Medical research</subject><subject>Medical sciences</subject><subject>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. 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2, p < 0.001). Experiments with hydroxyproline gelatin suggest a negative correlation (r = −0.90) between elasticity and ultrasound ablation. Ultrasound ablation of thrombi was evident only above the cavitation threshold. Thus, ultrasound angioplasty has the potential to induce the selective injury required for successful transluminal intervention in the treatment of thrombus-rich lesions.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>7977102</pmid><doi>10.1016/0002-9149(94)90560-6</doi><tpages>4</tpages></addata></record> |
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| subjects | Angioplasty Angioplasty - methods Animals Aorta - diagnostic imaging Biological and medical sciences Blood pressure Cardiovascular disease Cattle Diseases of the cardiovascular system Elasticity Humans Medical research Medical sciences Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Thrombosis - therapy Ultrasonic imaging Ultrasonic Therapy Ultrasonography |
| title | Study of the mechanism of ultrasound angioplasty from human thrombi and bovine aorta |
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