Effect of a notch at the distal end of a microcatheter on vein deformation in segmental adrenal venous sampling: a preliminary study using computational fluid dynamics
This study aimed to evaluate the effect of a notch at the distal end of a microcatheter on vein deformation in segmental adrenal venous sampling. A three-dimensional fluid–structure interaction simulation was performed using commercial finite element software. A computational model of a vein with a...
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| Veröffentlicht in: | Medical & biological engineering & computing 2019-07, Vol.57 (7), p.1425-1436 |
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| creator | Kinoshita, Tomo Seiji, Kazumasa Putra, Narendra Kurnia Watanabe, Tomohito Matsumoto, Sho Ohta, Makoto Takase, Kei |
| description | This study aimed to evaluate the effect of a notch at the distal end of a microcatheter on vein deformation in segmental adrenal venous sampling. A three-dimensional fluid–structure interaction simulation was performed using commercial finite element software. A computational model of a vein with a catheter inserted into it was constructed. The outer and inner diameters of the vein were 0.9 mm and 0.6 mm, respectively, whereas those of the catheter were 0.6 mm and 0.5 mm, respectively. The velocity of the blood flow at the outlet was 85 mm/s. The pressure at the inlet was 0 Pa. The mesh consisted of approximately 660,000 elements. The effect of the number (0–4) and shape (no notch, 1/4 circular, 1/3 circular, semicircular, 2/3 circlecircular, and 3/4 circular) of the notches at the distal end of the microcatheter on the vein deformation when a suction pressure was applied was evaluated. The venous wall displacement was the smallest with the one-notch catheter, followed by the four-notch catheter, and was the smallest with the catheter having 1/4-circular notches, followed by the one with 1/3-circular notches. In conclusion, microcatheters having one notch and 1/4-circular notches reduce vein deformation and lead to successful segmental adrenal venous sampling.
Graphical abstract
Comparing catheters having different notch shapes. |
| doi_str_mv | 10.1007/s11517-019-01968-1 |
| format | Article |
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Graphical abstract
Comparing catheters having different notch shapes.</description><identifier>ISSN: 0140-0118</identifier><identifier>EISSN: 1741-0444</identifier><identifier>DOI: 10.1007/s11517-019-01968-1</identifier><identifier>PMID: 30887302</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Biomedical and Life Sciences ; Biomedical Engineering and Bioengineering ; Biomedicine ; Blood flow ; Blood Flow Velocity ; Catheters ; Central Venous Catheters ; Circularity ; Computational fluid dynamics ; Computer Applications ; Computer simulation ; Deformation ; Equipment Design ; Finite element method ; Fluid dynamics ; Human Physiology ; Humans ; Hydrodynamics ; Imaging ; Medical instruments ; Models, Cardiovascular ; Neuroendocrine tumors ; Notches ; Original Article ; Phlebotomy - instrumentation ; Pressure ; Radiology ; Sampling ; Suction ; Veins ; Veins & arteries ; Veins - injuries</subject><ispartof>Medical & biological engineering & computing, 2019-07, Vol.57 (7), p.1425-1436</ispartof><rights>International Federation for Medical and Biological Engineering 2019</rights><rights>Medical & Biological Engineering & Computing is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c392t-1216233f79e58438c0561d802a38900b9dc35fe0755d0c39f1b06ae7b27d2d93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11517-019-01968-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11517-019-01968-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30887302$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kinoshita, Tomo</creatorcontrib><creatorcontrib>Seiji, Kazumasa</creatorcontrib><creatorcontrib>Putra, Narendra Kurnia</creatorcontrib><creatorcontrib>Watanabe, Tomohito</creatorcontrib><creatorcontrib>Matsumoto, Sho</creatorcontrib><creatorcontrib>Ohta, Makoto</creatorcontrib><creatorcontrib>Takase, Kei</creatorcontrib><title>Effect of a notch at the distal end of a microcatheter on vein deformation in segmental adrenal venous sampling: a preliminary study using computational fluid dynamics</title><title>Medical & biological engineering & computing</title><addtitle>Med Biol Eng Comput</addtitle><addtitle>Med Biol Eng Comput</addtitle><description>This study aimed to evaluate the effect of a notch at the distal end of a microcatheter on vein deformation in segmental adrenal venous sampling. A three-dimensional fluid–structure interaction simulation was performed using commercial finite element software. A computational model of a vein with a catheter inserted into it was constructed. The outer and inner diameters of the vein were 0.9 mm and 0.6 mm, respectively, whereas those of the catheter were 0.6 mm and 0.5 mm, respectively. The velocity of the blood flow at the outlet was 85 mm/s. The pressure at the inlet was 0 Pa. The mesh consisted of approximately 660,000 elements. The effect of the number (0–4) and shape (no notch, 1/4 circular, 1/3 circular, semicircular, 2/3 circlecircular, and 3/4 circular) of the notches at the distal end of the microcatheter on the vein deformation when a suction pressure was applied was evaluated. The venous wall displacement was the smallest with the one-notch catheter, followed by the four-notch catheter, and was the smallest with the catheter having 1/4-circular notches, followed by the one with 1/3-circular notches. In conclusion, microcatheters having one notch and 1/4-circular notches reduce vein deformation and lead to successful segmental adrenal venous sampling.
Graphical abstract
Comparing catheters having different notch shapes.</description><subject>Biomedical and Life Sciences</subject><subject>Biomedical Engineering and Bioengineering</subject><subject>Biomedicine</subject><subject>Blood flow</subject><subject>Blood Flow Velocity</subject><subject>Catheters</subject><subject>Central Venous Catheters</subject><subject>Circularity</subject><subject>Computational fluid dynamics</subject><subject>Computer Applications</subject><subject>Computer simulation</subject><subject>Deformation</subject><subject>Equipment Design</subject><subject>Finite element method</subject><subject>Fluid dynamics</subject><subject>Human Physiology</subject><subject>Humans</subject><subject>Hydrodynamics</subject><subject>Imaging</subject><subject>Medical instruments</subject><subject>Models, Cardiovascular</subject><subject>Neuroendocrine tumors</subject><subject>Notches</subject><subject>Original Article</subject><subject>Phlebotomy - instrumentation</subject><subject>Pressure</subject><subject>Radiology</subject><subject>Sampling</subject><subject>Suction</subject><subject>Veins</subject><subject>Veins & arteries</subject><subject>Veins - 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Academic</collection><jtitle>Medical & biological engineering & computing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kinoshita, Tomo</au><au>Seiji, Kazumasa</au><au>Putra, Narendra Kurnia</au><au>Watanabe, Tomohito</au><au>Matsumoto, Sho</au><au>Ohta, Makoto</au><au>Takase, Kei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of a notch at the distal end of a microcatheter on vein deformation in segmental adrenal venous sampling: a preliminary study using computational fluid dynamics</atitle><jtitle>Medical & biological engineering & computing</jtitle><stitle>Med Biol Eng Comput</stitle><addtitle>Med Biol Eng Comput</addtitle><date>2019-07-01</date><risdate>2019</risdate><volume>57</volume><issue>7</issue><spage>1425</spage><epage>1436</epage><pages>1425-1436</pages><issn>0140-0118</issn><eissn>1741-0444</eissn><abstract>This study aimed to evaluate the effect of a notch at the distal end of a microcatheter on vein deformation in segmental adrenal venous sampling. A three-dimensional fluid–structure interaction simulation was performed using commercial finite element software. A computational model of a vein with a catheter inserted into it was constructed. The outer and inner diameters of the vein were 0.9 mm and 0.6 mm, respectively, whereas those of the catheter were 0.6 mm and 0.5 mm, respectively. The velocity of the blood flow at the outlet was 85 mm/s. The pressure at the inlet was 0 Pa. The mesh consisted of approximately 660,000 elements. The effect of the number (0–4) and shape (no notch, 1/4 circular, 1/3 circular, semicircular, 2/3 circlecircular, and 3/4 circular) of the notches at the distal end of the microcatheter on the vein deformation when a suction pressure was applied was evaluated. The venous wall displacement was the smallest with the one-notch catheter, followed by the four-notch catheter, and was the smallest with the catheter having 1/4-circular notches, followed by the one with 1/3-circular notches. In conclusion, microcatheters having one notch and 1/4-circular notches reduce vein deformation and lead to successful segmental adrenal venous sampling.
Graphical abstract
Comparing catheters having different notch shapes.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>30887302</pmid><doi>10.1007/s11517-019-01968-1</doi><tpages>12</tpages></addata></record> |
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| subjects | Biomedical and Life Sciences Biomedical Engineering and Bioengineering Biomedicine Blood flow Blood Flow Velocity Catheters Central Venous Catheters Circularity Computational fluid dynamics Computer Applications Computer simulation Deformation Equipment Design Finite element method Fluid dynamics Human Physiology Humans Hydrodynamics Imaging Medical instruments Models, Cardiovascular Neuroendocrine tumors Notches Original Article Phlebotomy - instrumentation Pressure Radiology Sampling Suction Veins Veins & arteries Veins - injuries |
| title | Effect of a notch at the distal end of a microcatheter on vein deformation in segmental adrenal venous sampling: a preliminary study using computational fluid dynamics |
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