Seeing the Unseen: Evaluating Testicular Vascularity in Neonates by Using the Superb Microvascular Imaging Ultrasound Technique
Objectives To evaluate testicular vascularity in neonates by using the novel Superb Microvascular Imaging (SMI; Toshiba Medical Systems Corporation, Tokyo, Japan) ultrasound (US) technique and to compare this technique to conventional Doppler US techniques. Methods A total of 140 healthy neonates be...
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| Veröffentlicht in: | Journal of ultrasound in medicine 2019-07, Vol.38 (7), p.1847-1854 |
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| creator | Ayaz, Ercan Ayaz, Muzaffer Önal, Canver Yıkılmaz, Ali |
| description | Objectives
To evaluate testicular vascularity in neonates by using the novel Superb Microvascular Imaging (SMI; Toshiba Medical Systems Corporation, Tokyo, Japan) ultrasound (US) technique and to compare this technique to conventional Doppler US techniques.
Methods
A total of 140 healthy neonates between 2 and 60 days old who were admitted for routine screening were included in the study. However, in 9 cases, the Doppler study could not be completed. In the remaining 131 cases, color Doppler imaging (CDI), power Doppler imaging (PDI), Advanced Dynamic Flow (ADF; Toshiba Medical Systems), and monochrome SMI (mSMI) techniques were performed on a single representative testicle. Real‐time cine images were captured for 5 to 10 seconds for each technique by using a high‐frequency (7.2–14‐MHz) linear transducer. The images were evaluated by 3 observers using a grading system to quantify the degree of vascularity and artifact interference.
Results
A total of 131 testicles (74 right and 57 left) were evaluated, and vascularity was shown in 110 (84%) testicles with CDI, 109 (83%) with PDI, 94 (72%) with ADF, and 128 (98%) with mSMI by the consensus of all observers. The Doppler techniques were ranked from highest to lowest in the following order based on the degree of vascularity detected: mSMI > PDI > CDI > ADF (P CDI > PDI > mSMI (P |
| doi_str_mv | 10.1002/jum.14882 |
| format | Article |
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To evaluate testicular vascularity in neonates by using the novel Superb Microvascular Imaging (SMI; Toshiba Medical Systems Corporation, Tokyo, Japan) ultrasound (US) technique and to compare this technique to conventional Doppler US techniques.
Methods
A total of 140 healthy neonates between 2 and 60 days old who were admitted for routine screening were included in the study. However, in 9 cases, the Doppler study could not be completed. In the remaining 131 cases, color Doppler imaging (CDI), power Doppler imaging (PDI), Advanced Dynamic Flow (ADF; Toshiba Medical Systems), and monochrome SMI (mSMI) techniques were performed on a single representative testicle. Real‐time cine images were captured for 5 to 10 seconds for each technique by using a high‐frequency (7.2–14‐MHz) linear transducer. The images were evaluated by 3 observers using a grading system to quantify the degree of vascularity and artifact interference.
Results
A total of 131 testicles (74 right and 57 left) were evaluated, and vascularity was shown in 110 (84%) testicles with CDI, 109 (83%) with PDI, 94 (72%) with ADF, and 128 (98%) with mSMI by the consensus of all observers. The Doppler techniques were ranked from highest to lowest in the following order based on the degree of vascularity detected: mSMI > PDI > CDI > ADF (P < .001). Based on the presence of artifacts, the Doppler techniques were ranked as follows from high to low: ADF > CDI > PDI > mSMI (P < .001).
Conclusions
Superb Microvascular Imaging is a promising US technique that appears to detect testis vascularity better than conventional Doppler US techniques; however, further research is needed to support the results of this study.</description><identifier>ISSN: 0278-4297</identifier><identifier>EISSN: 1550-9613</identifier><identifier>DOI: 10.1002/jum.14882</identifier><identifier>PMID: 30548880</identifier><language>eng</language><publisher>England</publisher><subject>Doppler ultrasound ; Humans ; Infant, Newborn ; Male ; Microvessels - diagnostic imaging ; scrotal ultrasound ; Sensitivity and Specificity ; Superb Microvascular Imaging ; testicular vascularity ; Testis - blood supply ; Testis - diagnostic imaging ; Ultrasonography, Doppler - methods</subject><ispartof>Journal of ultrasound in medicine, 2019-07, Vol.38 (7), p.1847-1854</ispartof><rights>2018 by the American Institute of Ultrasound in Medicine</rights><rights>2018 by the American Institute of Ultrasound in Medicine.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3912-3442564774141f304ac279c2ccee83e0f7c25e6b3143c38176ea5c6a3dfde2783</citedby><cites>FETCH-LOGICAL-c3912-3442564774141f304ac279c2ccee83e0f7c25e6b3143c38176ea5c6a3dfde2783</cites><orcidid>0000-0003-2726-2097</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjum.14882$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjum.14882$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30548880$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ayaz, Ercan</creatorcontrib><creatorcontrib>Ayaz, Muzaffer</creatorcontrib><creatorcontrib>Önal, Canver</creatorcontrib><creatorcontrib>Yıkılmaz, Ali</creatorcontrib><title>Seeing the Unseen: Evaluating Testicular Vascularity in Neonates by Using the Superb Microvascular Imaging Ultrasound Technique</title><title>Journal of ultrasound in medicine</title><addtitle>J Ultrasound Med</addtitle><description>Objectives
To evaluate testicular vascularity in neonates by using the novel Superb Microvascular Imaging (SMI; Toshiba Medical Systems Corporation, Tokyo, Japan) ultrasound (US) technique and to compare this technique to conventional Doppler US techniques.
Methods
A total of 140 healthy neonates between 2 and 60 days old who were admitted for routine screening were included in the study. However, in 9 cases, the Doppler study could not be completed. In the remaining 131 cases, color Doppler imaging (CDI), power Doppler imaging (PDI), Advanced Dynamic Flow (ADF; Toshiba Medical Systems), and monochrome SMI (mSMI) techniques were performed on a single representative testicle. Real‐time cine images were captured for 5 to 10 seconds for each technique by using a high‐frequency (7.2–14‐MHz) linear transducer. The images were evaluated by 3 observers using a grading system to quantify the degree of vascularity and artifact interference.
Results
A total of 131 testicles (74 right and 57 left) were evaluated, and vascularity was shown in 110 (84%) testicles with CDI, 109 (83%) with PDI, 94 (72%) with ADF, and 128 (98%) with mSMI by the consensus of all observers. The Doppler techniques were ranked from highest to lowest in the following order based on the degree of vascularity detected: mSMI > PDI > CDI > ADF (P < .001). Based on the presence of artifacts, the Doppler techniques were ranked as follows from high to low: ADF > CDI > PDI > mSMI (P < .001).
Conclusions
Superb Microvascular Imaging is a promising US technique that appears to detect testis vascularity better than conventional Doppler US techniques; however, further research is needed to support the results of this study.</description><subject>Doppler ultrasound</subject><subject>Humans</subject><subject>Infant, Newborn</subject><subject>Male</subject><subject>Microvessels - diagnostic imaging</subject><subject>scrotal ultrasound</subject><subject>Sensitivity and Specificity</subject><subject>Superb Microvascular Imaging</subject><subject>testicular vascularity</subject><subject>Testis - blood supply</subject><subject>Testis - diagnostic imaging</subject><subject>Ultrasonography, Doppler - methods</subject><issn>0278-4297</issn><issn>1550-9613</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kE1PwjAYgBujEUQP_gHTox4G_do6vBmCigE9wLwupbyDkn3gumF28q9bvrx56pvm6fOmD0K3lHQpIay3rrMuFWHIzlCb-j7x-gHl56hNmAw9wfqyha6sXTuUUCkuUYsT3-EhaaOfKYDJl7haAY5yC5A_4uFWpbWqdtczsJXRdapK_KnsfjBVg02O36HIVQUWzxsc2ZNiWm-gnOOJ0WWxPT7Ao0wtd0CUVqWyRZ0vnFevcvNVwzW6SFRq4eZ4dlD0PJwNXr3xx8to8DT2NO9T5nEhmB8IKQUVNOFEKM1kXzOtAUIOJJGa-RDMORVc85DKAJSvA8UXyQJcBd5B9wfvpizcWlvFmbEa0lTlUNQ2ZtSXgS8ECRz6cEDdH6wtIYk3pclU2cSUxLvesesd73s79u6orecZLP7IU2AH9A7At0mh-d8Uv0WTg_IXeUaLdA</recordid><startdate>201907</startdate><enddate>201907</enddate><creator>Ayaz, Ercan</creator><creator>Ayaz, Muzaffer</creator><creator>Önal, Canver</creator><creator>Yıkılmaz, Ali</creator><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><orcidid>https://orcid.org/0000-0003-2726-2097</orcidid></search><sort><creationdate>201907</creationdate><title>Seeing the Unseen: Evaluating Testicular Vascularity in Neonates by Using the Superb Microvascular Imaging Ultrasound Technique</title><author>Ayaz, Ercan ; Ayaz, Muzaffer ; Önal, Canver ; Yıkılmaz, Ali</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3912-3442564774141f304ac279c2ccee83e0f7c25e6b3143c38176ea5c6a3dfde2783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Doppler ultrasound</topic><topic>Humans</topic><topic>Infant, Newborn</topic><topic>Male</topic><topic>Microvessels - diagnostic imaging</topic><topic>scrotal ultrasound</topic><topic>Sensitivity and Specificity</topic><topic>Superb Microvascular Imaging</topic><topic>testicular vascularity</topic><topic>Testis - blood supply</topic><topic>Testis - diagnostic imaging</topic><topic>Ultrasonography, Doppler - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ayaz, Ercan</creatorcontrib><creatorcontrib>Ayaz, Muzaffer</creatorcontrib><creatorcontrib>Önal, Canver</creatorcontrib><creatorcontrib>Yıkılmaz, Ali</creatorcontrib><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 ultrasound in medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ayaz, Ercan</au><au>Ayaz, Muzaffer</au><au>Önal, Canver</au><au>Yıkılmaz, Ali</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Seeing the Unseen: Evaluating Testicular Vascularity in Neonates by Using the Superb Microvascular Imaging Ultrasound Technique</atitle><jtitle>Journal of ultrasound in medicine</jtitle><addtitle>J Ultrasound Med</addtitle><date>2019-07</date><risdate>2019</risdate><volume>38</volume><issue>7</issue><spage>1847</spage><epage>1854</epage><pages>1847-1854</pages><issn>0278-4297</issn><eissn>1550-9613</eissn><abstract>Objectives
To evaluate testicular vascularity in neonates by using the novel Superb Microvascular Imaging (SMI; Toshiba Medical Systems Corporation, Tokyo, Japan) ultrasound (US) technique and to compare this technique to conventional Doppler US techniques.
Methods
A total of 140 healthy neonates between 2 and 60 days old who were admitted for routine screening were included in the study. However, in 9 cases, the Doppler study could not be completed. In the remaining 131 cases, color Doppler imaging (CDI), power Doppler imaging (PDI), Advanced Dynamic Flow (ADF; Toshiba Medical Systems), and monochrome SMI (mSMI) techniques were performed on a single representative testicle. Real‐time cine images were captured for 5 to 10 seconds for each technique by using a high‐frequency (7.2–14‐MHz) linear transducer. The images were evaluated by 3 observers using a grading system to quantify the degree of vascularity and artifact interference.
Results
A total of 131 testicles (74 right and 57 left) were evaluated, and vascularity was shown in 110 (84%) testicles with CDI, 109 (83%) with PDI, 94 (72%) with ADF, and 128 (98%) with mSMI by the consensus of all observers. The Doppler techniques were ranked from highest to lowest in the following order based on the degree of vascularity detected: mSMI > PDI > CDI > ADF (P < .001). Based on the presence of artifacts, the Doppler techniques were ranked as follows from high to low: ADF > CDI > PDI > mSMI (P < .001).
Conclusions
Superb Microvascular Imaging is a promising US technique that appears to detect testis vascularity better than conventional Doppler US techniques; however, further research is needed to support the results of this study.</abstract><cop>England</cop><pmid>30548880</pmid><doi>10.1002/jum.14882</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-2726-2097</orcidid></addata></record> |
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| source | MEDLINE; Wiley Online Library All Journals |
| subjects | Doppler ultrasound Humans Infant, Newborn Male Microvessels - diagnostic imaging scrotal ultrasound Sensitivity and Specificity Superb Microvascular Imaging testicular vascularity Testis - blood supply Testis - diagnostic imaging Ultrasonography, Doppler - methods |
| title | Seeing the Unseen: Evaluating Testicular Vascularity in Neonates by Using the Superb Microvascular Imaging Ultrasound Technique |
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