Heart tissue viability monitoring in vivo by using combined fluorescence, thermography and electrical activity measurements
A prototype system for in vivo monitoring of the heart tissue viability by using combined measurements of fluorescence, thermography and electrical activity has been elaborated for cardiac surgery. The fluorescence imaging of nicotinamide adenine dinucleotide NAD(P)H in the blue light range (lambda=...
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| Veröffentlicht in: | Biomedizinische Technik 2005-12, Vol.50 (12), p.419-425 |
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| creator | Krisciukaitis, A Minet, O Tamosiunas, M Zabarylo, U Bytautas, A Baniene, R Mildaziene, V Lekas, R Jakuska, P Lukosevicius, K Benetis, R Beuthan, J |
| description | A prototype system for in vivo monitoring of the heart tissue viability by using combined measurements of fluorescence, thermography and electrical activity has been elaborated for cardiac surgery. The fluorescence imaging of nicotinamide adenine dinucleotide NAD(P)H in the blue light range (lambda=467 nm) by using UV light (lambda=347 nm) excitation was used to detect metabolic disturbances. The method of the principal component analysis was used for the processing of the fluorescence image sequences. Far infrared (lambda=7.5-13 microm) imaging was used to evaluate temperature dynamics of the tissue surface during circulation disturbances. Evaluation of the epicardial electrogram shape by using continuous wavelet transform was used to detect and evaluate ischemia-caused disturbances of the electrical activity of the tissue. The combination of temperature, fluorescence and electrical activity estimates obtained from synchronically registered parameters during the experiments on model systems and experimental animals yielded qualitatively new results for the evaluation of cardiac tissue viability and enabled to achieve a versatile evaluation of the heart tissue viability. |
| doi_str_mv | 10.1515/BMT.2005.059 |
| format | Article |
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The fluorescence imaging of nicotinamide adenine dinucleotide NAD(P)H in the blue light range (lambda=467 nm) by using UV light (lambda=347 nm) excitation was used to detect metabolic disturbances. The method of the principal component analysis was used for the processing of the fluorescence image sequences. Far infrared (lambda=7.5-13 microm) imaging was used to evaluate temperature dynamics of the tissue surface during circulation disturbances. Evaluation of the epicardial electrogram shape by using continuous wavelet transform was used to detect and evaluate ischemia-caused disturbances of the electrical activity of the tissue. The combination of temperature, fluorescence and electrical activity estimates obtained from synchronically registered parameters during the experiments on model systems and experimental animals yielded qualitatively new results for the evaluation of cardiac tissue viability and enabled to achieve a versatile evaluation of the heart tissue viability.</description><subject>Animals</subject><subject>Diagnosis, Computer-Assisted - instrumentation</subject><subject>Diagnosis, Computer-Assisted - methods</subject><subject>Dogs</subject><subject>Electroencephalography - instrumentation</subject><subject>Electroencephalography - methods</subject><subject>Equipment Design</subject><subject>Equipment Failure Analysis</subject><subject>Heart - physiopathology</subject><subject>Infrared Rays</subject><subject>Myocardial Ischemia - diagnosis</subject><subject>Myocardial Ischemia - physiopathology</subject><subject>NAD - metabolism</subject><subject>Spectrometry, Fluorescence - instrumentation</subject><subject>Spectrometry, Fluorescence - methods</subject><subject>Systems Integration</subject><subject>Tissue Survival</subject><issn>0013-5585</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo1kDFPwzAUhD2AaClszMgTEyl2khfXI1RAkYpYyhzZyUtrlNjFdipF_HkClOlOp0-n0xFyxdmcA4e7h9fNPGUM5gzkCZkyxrMEYAETch7CB2M5gGRnZMKLPJUyF1PytULlI40mhB7pwShtWhMH2jlrovPGbqmxY35wVA-0Dz9B5TptLNa0aXvnMVRoK7ylcYe-c1uv9ruBKltTbLGK3lSqpaqK5vDbiyr0Hju0MVyQ00a1AS-POiPvT4-b5SpZvz2_LO_XyT5lMiZNDVgUWvOcC95oFCotYHS5yATWOYhMpZJrzJVmTKacQSGA6xHQUC80y2bk5q93791njyGWnRlHt62y6PpQFpIJKRmM4PUR7HWHdbn3plN-KP_vyr4Bnn9s-A</recordid><startdate>200512</startdate><enddate>200512</enddate><creator>Krisciukaitis, A</creator><creator>Minet, O</creator><creator>Tamosiunas, M</creator><creator>Zabarylo, U</creator><creator>Bytautas, A</creator><creator>Baniene, R</creator><creator>Mildaziene, V</creator><creator>Lekas, R</creator><creator>Jakuska, P</creator><creator>Lukosevicius, K</creator><creator>Benetis, R</creator><creator>Beuthan, J</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>200512</creationdate><title>Heart tissue viability monitoring in vivo by using combined fluorescence, thermography and electrical activity measurements</title><author>Krisciukaitis, A ; Minet, O ; Tamosiunas, M ; Zabarylo, U ; Bytautas, A ; Baniene, R ; Mildaziene, V ; Lekas, R ; Jakuska, P ; Lukosevicius, K ; Benetis, R ; Beuthan, J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p209t-fd5e66bb14171fbe7a26571f4737ed4573a291be4ab00921056751b1f4b5d8b03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Animals</topic><topic>Diagnosis, Computer-Assisted - instrumentation</topic><topic>Diagnosis, Computer-Assisted - methods</topic><topic>Dogs</topic><topic>Electroencephalography - instrumentation</topic><topic>Electroencephalography - methods</topic><topic>Equipment Design</topic><topic>Equipment Failure Analysis</topic><topic>Heart - physiopathology</topic><topic>Infrared Rays</topic><topic>Myocardial Ischemia - diagnosis</topic><topic>Myocardial Ischemia - physiopathology</topic><topic>NAD - metabolism</topic><topic>Spectrometry, Fluorescence - instrumentation</topic><topic>Spectrometry, Fluorescence - methods</topic><topic>Systems Integration</topic><topic>Tissue Survival</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Krisciukaitis, A</creatorcontrib><creatorcontrib>Minet, O</creatorcontrib><creatorcontrib>Tamosiunas, M</creatorcontrib><creatorcontrib>Zabarylo, U</creatorcontrib><creatorcontrib>Bytautas, A</creatorcontrib><creatorcontrib>Baniene, R</creatorcontrib><creatorcontrib>Mildaziene, V</creatorcontrib><creatorcontrib>Lekas, R</creatorcontrib><creatorcontrib>Jakuska, P</creatorcontrib><creatorcontrib>Lukosevicius, K</creatorcontrib><creatorcontrib>Benetis, R</creatorcontrib><creatorcontrib>Beuthan, J</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Biomedizinische Technik</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Krisciukaitis, A</au><au>Minet, O</au><au>Tamosiunas, M</au><au>Zabarylo, U</au><au>Bytautas, A</au><au>Baniene, R</au><au>Mildaziene, V</au><au>Lekas, R</au><au>Jakuska, P</au><au>Lukosevicius, K</au><au>Benetis, R</au><au>Beuthan, J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Heart tissue viability monitoring in vivo by using combined fluorescence, thermography and electrical activity measurements</atitle><jtitle>Biomedizinische Technik</jtitle><addtitle>Biomed Tech (Berl)</addtitle><date>2005-12</date><risdate>2005</risdate><volume>50</volume><issue>12</issue><spage>419</spage><epage>425</epage><pages>419-425</pages><issn>0013-5585</issn><abstract>A prototype system for in vivo monitoring of the heart tissue viability by using combined measurements of fluorescence, thermography and electrical activity has been elaborated for cardiac surgery. The fluorescence imaging of nicotinamide adenine dinucleotide NAD(P)H in the blue light range (lambda=467 nm) by using UV light (lambda=347 nm) excitation was used to detect metabolic disturbances. The method of the principal component analysis was used for the processing of the fluorescence image sequences. Far infrared (lambda=7.5-13 microm) imaging was used to evaluate temperature dynamics of the tissue surface during circulation disturbances. Evaluation of the epicardial electrogram shape by using continuous wavelet transform was used to detect and evaluate ischemia-caused disturbances of the electrical activity of the tissue. The combination of temperature, fluorescence and electrical activity estimates obtained from synchronically registered parameters during the experiments on model systems and experimental animals yielded qualitatively new results for the evaluation of cardiac tissue viability and enabled to achieve a versatile evaluation of the heart tissue viability.</abstract><cop>Germany</cop><pmid>16429947</pmid><doi>10.1515/BMT.2005.059</doi><tpages>7</tpages></addata></record> |
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| source | MEDLINE; De Gruyter journals |
| subjects | Animals Diagnosis, Computer-Assisted - instrumentation Diagnosis, Computer-Assisted - methods Dogs Electroencephalography - instrumentation Electroencephalography - methods Equipment Design Equipment Failure Analysis Heart - physiopathology Infrared Rays Myocardial Ischemia - diagnosis Myocardial Ischemia - physiopathology NAD - metabolism Spectrometry, Fluorescence - instrumentation Spectrometry, Fluorescence - methods Systems Integration Tissue Survival |
| title | Heart tissue viability monitoring in vivo by using combined fluorescence, thermography and electrical activity measurements |
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