One-dimensional NMR thermal mapping of focused ultrasound surgery
The aim of this study was to evaluate a technique for real-time monitoring of tissue temperature and tracking of the heat source during minimally invasive thermal interventions such as focused ultrasound surgery. A temperature-sensitive NMR line scan pulse sequence was directed interactively from a...
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| Veröffentlicht in: | Journal of computer assisted tomography 1994-05, Vol.18 (3), p.476-483 |
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| container_end_page | 483 |
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| container_issue | 3 |
| container_start_page | 476 |
| container_title | Journal of computer assisted tomography |
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| creator | HARDY, C. J CLINE, H. E WATKINS, R. D |
| description | The aim of this study was to evaluate a technique for real-time monitoring of tissue temperature and tracking of the heat source during minimally invasive thermal interventions such as focused ultrasound surgery.
A temperature-sensitive NMR line scan pulse sequence was directed interactively from a workstation during the application of focused ultrasound to samples of excised bovine skeletal muscle. The NMR signal along a sensitive line was monitored during and after heating by means of a scrolling display on the workstation.
The temperature sensitivity was found to be approximately 2 degrees C with a time resolution of 300 ms along a line intersecting the ultrasonic focal point. Experimental temperature rises determined from the NMR signal showed close agreement with theoretical temperature behavior derived from the heat equation. Temperature quantitation capabilities were lost upon onset of thermal denaturation and coagulation.
This technique could serve as a noninvasive guide in tracking the heat source and in monitoring thermal dose during focused ultrasound surgery and other minimally invasive thermal interventions. |
| doi_str_mv | 10.1097/00004728-199405000-00024 |
| format | Article |
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A temperature-sensitive NMR line scan pulse sequence was directed interactively from a workstation during the application of focused ultrasound to samples of excised bovine skeletal muscle. The NMR signal along a sensitive line was monitored during and after heating by means of a scrolling display on the workstation.
The temperature sensitivity was found to be approximately 2 degrees C with a time resolution of 300 ms along a line intersecting the ultrasonic focal point. Experimental temperature rises determined from the NMR signal showed close agreement with theoretical temperature behavior derived from the heat equation. Temperature quantitation capabilities were lost upon onset of thermal denaturation and coagulation.
This technique could serve as a noninvasive guide in tracking the heat source and in monitoring thermal dose during focused ultrasound surgery and other minimally invasive thermal interventions.</description><identifier>ISSN: 0363-8715</identifier><identifier>EISSN: 1532-3145</identifier><identifier>DOI: 10.1097/00004728-199405000-00024</identifier><identifier>PMID: 8188919</identifier><identifier>CODEN: JCATD5</identifier><language>eng</language><publisher>Hagerstown, MD: Lippincott</publisher><subject>Animals ; Biological and medical sciences ; Cattle ; In Vitro Techniques ; Investigative techniques, diagnostic techniques (general aspects) ; Magnetic Resonance Spectroscopy - methods ; Medical sciences ; Miscellaneous. Technology ; Muscles - physiology ; Muscles - surgery ; Radiodiagnosis. Nmr imagery. Nmr spectrometry ; Temperature ; Ultrasonic Therapy</subject><ispartof>Journal of computer assisted tomography, 1994-05, Vol.18 (3), p.476-483</ispartof><rights>1994 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c339t-de4d4147408d6c6ef23470aa64da08b4bd344cbd80a5cffeceb945310e305e0d3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4082593$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8188919$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>HARDY, C. J</creatorcontrib><creatorcontrib>CLINE, H. E</creatorcontrib><creatorcontrib>WATKINS, R. D</creatorcontrib><title>One-dimensional NMR thermal mapping of focused ultrasound surgery</title><title>Journal of computer assisted tomography</title><addtitle>J Comput Assist Tomogr</addtitle><description>The aim of this study was to evaluate a technique for real-time monitoring of tissue temperature and tracking of the heat source during minimally invasive thermal interventions such as focused ultrasound surgery.
A temperature-sensitive NMR line scan pulse sequence was directed interactively from a workstation during the application of focused ultrasound to samples of excised bovine skeletal muscle. The NMR signal along a sensitive line was monitored during and after heating by means of a scrolling display on the workstation.
The temperature sensitivity was found to be approximately 2 degrees C with a time resolution of 300 ms along a line intersecting the ultrasonic focal point. Experimental temperature rises determined from the NMR signal showed close agreement with theoretical temperature behavior derived from the heat equation. Temperature quantitation capabilities were lost upon onset of thermal denaturation and coagulation.
This technique could serve as a noninvasive guide in tracking the heat source and in monitoring thermal dose during focused ultrasound surgery and other minimally invasive thermal interventions.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Cattle</subject><subject>In Vitro Techniques</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Magnetic Resonance Spectroscopy - methods</subject><subject>Medical sciences</subject><subject>Miscellaneous. Technology</subject><subject>Muscles - physiology</subject><subject>Muscles - surgery</subject><subject>Radiodiagnosis. Nmr imagery. Nmr spectrometry</subject><subject>Temperature</subject><subject>Ultrasonic Therapy</subject><issn>0363-8715</issn><issn>1532-3145</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kE1PwzAMhiMEGmPwE5B6QNwCSZO0yXFCfEmDSQjOUZo4o6gfI2kP-_cEVmbJsi2_tuUHoYySG0pUeUuS8TKXmCrFiUgVTp7zIzSnguWYUS6O0ZywgmFZUnGKzmL8IoSWjPEZmkkqpaJqjpbrDrCrW-hi3XemyV5f3rLhE0Kb8tZst3W3yXqf-d6OEVw2NkMwsR87l8UxbCDsztGJN02Eiyku0MfD_fvdE16tH5_vlitsGVMDdsAdp7zkRLrCFuBzxktiTMGdIbLilWOc28pJYoT1HixUigtGCTAigDi2QNf7vdvQf48QB93W0ULTmA76Meqy4KqUUiSh3Att6GMM4PU21K0JO02J_qWn_-npAz39Ry-NXk43xqoFdxiccKX-1dQ30ZrGB9PZOh5k6bdcKMZ-AJMrd3g</recordid><startdate>19940501</startdate><enddate>19940501</enddate><creator>HARDY, C. J</creator><creator>CLINE, H. E</creator><creator>WATKINS, R. D</creator><general>Lippincott</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19940501</creationdate><title>One-dimensional NMR thermal mapping of focused ultrasound surgery</title><author>HARDY, C. J ; CLINE, H. E ; WATKINS, R. D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c339t-de4d4147408d6c6ef23470aa64da08b4bd344cbd80a5cffeceb945310e305e0d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Cattle</topic><topic>In Vitro Techniques</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Magnetic Resonance Spectroscopy - methods</topic><topic>Medical sciences</topic><topic>Miscellaneous. Technology</topic><topic>Muscles - physiology</topic><topic>Muscles - surgery</topic><topic>Radiodiagnosis. Nmr imagery. Nmr spectrometry</topic><topic>Temperature</topic><topic>Ultrasonic Therapy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HARDY, C. J</creatorcontrib><creatorcontrib>CLINE, H. E</creatorcontrib><creatorcontrib>WATKINS, R. D</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of computer assisted tomography</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HARDY, C. J</au><au>CLINE, H. E</au><au>WATKINS, R. D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>One-dimensional NMR thermal mapping of focused ultrasound surgery</atitle><jtitle>Journal of computer assisted tomography</jtitle><addtitle>J Comput Assist Tomogr</addtitle><date>1994-05-01</date><risdate>1994</risdate><volume>18</volume><issue>3</issue><spage>476</spage><epage>483</epage><pages>476-483</pages><issn>0363-8715</issn><eissn>1532-3145</eissn><coden>JCATD5</coden><abstract>The aim of this study was to evaluate a technique for real-time monitoring of tissue temperature and tracking of the heat source during minimally invasive thermal interventions such as focused ultrasound surgery.
A temperature-sensitive NMR line scan pulse sequence was directed interactively from a workstation during the application of focused ultrasound to samples of excised bovine skeletal muscle. The NMR signal along a sensitive line was monitored during and after heating by means of a scrolling display on the workstation.
The temperature sensitivity was found to be approximately 2 degrees C with a time resolution of 300 ms along a line intersecting the ultrasonic focal point. Experimental temperature rises determined from the NMR signal showed close agreement with theoretical temperature behavior derived from the heat equation. Temperature quantitation capabilities were lost upon onset of thermal denaturation and coagulation.
This technique could serve as a noninvasive guide in tracking the heat source and in monitoring thermal dose during focused ultrasound surgery and other minimally invasive thermal interventions.</abstract><cop>Hagerstown, MD</cop><pub>Lippincott</pub><pmid>8188919</pmid><doi>10.1097/00004728-199405000-00024</doi><tpages>8</tpages></addata></record> |
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| identifier | ISSN: 0363-8715 |
| ispartof | Journal of computer assisted tomography, 1994-05, Vol.18 (3), p.476-483 |
| issn | 0363-8715 1532-3145 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_76497885 |
| source | MEDLINE; Journals@Ovid Complete |
| subjects | Animals Biological and medical sciences Cattle In Vitro Techniques Investigative techniques, diagnostic techniques (general aspects) Magnetic Resonance Spectroscopy - methods Medical sciences Miscellaneous. Technology Muscles - physiology Muscles - surgery Radiodiagnosis. Nmr imagery. Nmr spectrometry Temperature Ultrasonic Therapy |
| title | One-dimensional NMR thermal mapping of focused ultrasound surgery |
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