Ureteric jet in the anaesthetised child
We have already suggested that there is an active bimodal sphincteric mechanism in the human vesicoureteral junction (VUJ). This mechanism is affected by immaturity, hormonal effects and surgical ablation. This study set out to investigate the effects of anaesthesia on this mechanism. A total of 16...
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| Veröffentlicht in: | Ultrasound in medicine & biology 2003-09, Vol.29 (9), p.1237-1240 |
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| creator | Leung, Vivian Yee Fong Metreweli, Con Yeung, Chung Kwong Sihoe, Jennifer Dart Yin |
| description | We have already suggested that there is an active bimodal sphincteric mechanism in the human vesicoureteral junction (VUJ). This mechanism is affected by immaturity, hormonal effects and surgical ablation. This study set out to investigate the effects of anaesthesia on this mechanism. A total of 16 children undergoing surgery were recruited. They were well hydrated. The ureteric jets before and after anaesthesia were recorded using the colour and pulse wave Doppler. Of the total, 14 children showed mature (complex pattern) and two showed immature (monophasic pattern) waveforms before surgery. After anaesthesia, all showed the monophasic waveform (
p = 0.01). Thus, the sphincteric action of VUJ as manifest by the complexity of the ureteric jet was modified by anaesthesia by loss of the complex pattern. This supports the hypothesis that the complex pattern is a neural modulation of the simpler myogenic mechanism that produces the monophasic jet. (Email: leuyf2@ctimail.com) |
| doi_str_mv | 10.1016/S0301-5629(03)00973-6 |
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p = 0.01). Thus, the sphincteric action of VUJ as manifest by the complexity of the ureteric jet was modified by anaesthesia by loss of the complex pattern. This supports the hypothesis that the complex pattern is a neural modulation of the simpler myogenic mechanism that produces the monophasic jet. (Email: leuyf2@ctimail.com)</description><identifier>ISSN: 0301-5629</identifier><identifier>EISSN: 1879-291X</identifier><identifier>DOI: 10.1016/S0301-5629(03)00973-6</identifier><identifier>PMID: 14553798</identifier><identifier>CODEN: USMBA3</identifier><language>eng</language><publisher>Amsterdam: Elsevier Inc</publisher><subject>Adolescent ; Anaesthesia ; Anesthetics - pharmacology ; Biological and medical sciences ; Child ; Child, Preschool ; Children ; Female ; Humans ; Infant ; Male ; Medical sciences ; Monophasic waveform ; Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) ; Sphincteric mechanism ; Technology. Biomaterials. Equipments. Material. Instrumentation ; Ultrasonography, Doppler, Color - methods ; Ultrasonography, Doppler, Pulsed - methods ; Ureter - diagnostic imaging ; Ureter - drug effects ; Ureter - physiology ; Ureteric jet ; Urodynamics - drug effects ; vesicoureteral junction ; VUJ</subject><ispartof>Ultrasound in medicine & biology, 2003-09, Vol.29 (9), p.1237-1240</ispartof><rights>2003 World Federation for Ultrasound in Medicine & Biology</rights><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c422t-78b74db6efb37fec31d9bc4593a61aa3a88643ae66211193d23b658ce51f17e33</citedby><cites>FETCH-LOGICAL-c422t-78b74db6efb37fec31d9bc4593a61aa3a88643ae66211193d23b658ce51f17e33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0301562903009736$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15207404$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/14553798$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Leung, Vivian Yee Fong</creatorcontrib><creatorcontrib>Metreweli, Con</creatorcontrib><creatorcontrib>Yeung, Chung Kwong</creatorcontrib><creatorcontrib>Sihoe, Jennifer Dart Yin</creatorcontrib><title>Ureteric jet in the anaesthetised child</title><title>Ultrasound in medicine & biology</title><addtitle>Ultrasound Med Biol</addtitle><description>We have already suggested that there is an active bimodal sphincteric mechanism in the human vesicoureteral junction (VUJ). This mechanism is affected by immaturity, hormonal effects and surgical ablation. This study set out to investigate the effects of anaesthesia on this mechanism. A total of 16 children undergoing surgery were recruited. They were well hydrated. The ureteric jets before and after anaesthesia were recorded using the colour and pulse wave Doppler. Of the total, 14 children showed mature (complex pattern) and two showed immature (monophasic pattern) waveforms before surgery. After anaesthesia, all showed the monophasic waveform (
p = 0.01). Thus, the sphincteric action of VUJ as manifest by the complexity of the ureteric jet was modified by anaesthesia by loss of the complex pattern. This supports the hypothesis that the complex pattern is a neural modulation of the simpler myogenic mechanism that produces the monophasic jet. (Email: leuyf2@ctimail.com)</description><subject>Adolescent</subject><subject>Anaesthesia</subject><subject>Anesthetics - pharmacology</subject><subject>Biological and medical sciences</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Children</subject><subject>Female</subject><subject>Humans</subject><subject>Infant</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Monophasic waveform</subject><subject>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</subject><subject>Sphincteric mechanism</subject><subject>Technology. Biomaterials. Equipments. Material. Instrumentation</subject><subject>Ultrasonography, Doppler, Color - methods</subject><subject>Ultrasonography, Doppler, Pulsed - methods</subject><subject>Ureter - diagnostic imaging</subject><subject>Ureter - drug effects</subject><subject>Ureter - physiology</subject><subject>Ureteric jet</subject><subject>Urodynamics - drug effects</subject><subject>vesicoureteral junction</subject><subject>VUJ</subject><issn>0301-5629</issn><issn>1879-291X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkMlKxEAQhhtRdFweQcnF7RDtSqW3k8jgBoIHHfDWdDoVbMlktDsj-PZmFvToqerw_X8VH2OHwC-Ag7x85sghF7IwZxzPOTcKc7nBRqCVyQsDr5ts9IvssN2U3jnnSqLaZjtQCoHK6BE7nUTqKQafvVOfhS7r3yhznaM0LH1IVGf-LbT1PttqXJvoYD332OT25mV8nz8-3T2Mrx9zXxZFnytdqbKuJDUVqoY8Qm0qXwqDToJz6LSWJTqSsgAAg3WBlRTak4AGFCHusZNV70ecfc6HL-w0JE9t6zqazZNVUGhErv8FQRthuFk0ihXo4yylSI39iGHq4rcFbhcq7VKlXXiyHO1SpZVD7mh9YF5Nqf5Lrd0NwPEacMm7tomu8yH9caLgquTlwF2tOBq8fQWKNvlAnac6RPK9rWfhn1d-AJG1jhc</recordid><startdate>20030901</startdate><enddate>20030901</enddate><creator>Leung, Vivian Yee Fong</creator><creator>Metreweli, Con</creator><creator>Yeung, Chung Kwong</creator><creator>Sihoe, Jennifer Dart Yin</creator><general>Elsevier Inc</general><general>Elsevier</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>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20030901</creationdate><title>Ureteric jet in the anaesthetised child</title><author>Leung, Vivian Yee Fong ; Metreweli, Con ; Yeung, Chung Kwong ; Sihoe, Jennifer Dart Yin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c422t-78b74db6efb37fec31d9bc4593a61aa3a88643ae66211193d23b658ce51f17e33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Adolescent</topic><topic>Anaesthesia</topic><topic>Anesthetics - pharmacology</topic><topic>Biological and medical sciences</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Children</topic><topic>Female</topic><topic>Humans</topic><topic>Infant</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Monophasic waveform</topic><topic>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</topic><topic>Sphincteric mechanism</topic><topic>Technology. Biomaterials. Equipments. Material. 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This mechanism is affected by immaturity, hormonal effects and surgical ablation. This study set out to investigate the effects of anaesthesia on this mechanism. A total of 16 children undergoing surgery were recruited. They were well hydrated. The ureteric jets before and after anaesthesia were recorded using the colour and pulse wave Doppler. Of the total, 14 children showed mature (complex pattern) and two showed immature (monophasic pattern) waveforms before surgery. After anaesthesia, all showed the monophasic waveform (
p = 0.01). Thus, the sphincteric action of VUJ as manifest by the complexity of the ureteric jet was modified by anaesthesia by loss of the complex pattern. This supports the hypothesis that the complex pattern is a neural modulation of the simpler myogenic mechanism that produces the monophasic jet. (Email: leuyf2@ctimail.com)</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><pmid>14553798</pmid><doi>10.1016/S0301-5629(03)00973-6</doi><tpages>4</tpages></addata></record> |
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| subjects | Adolescent Anaesthesia Anesthetics - pharmacology Biological and medical sciences Child Child, Preschool Children Female Humans Infant Male Medical sciences Monophasic waveform Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Sphincteric mechanism Technology. Biomaterials. Equipments. Material. Instrumentation Ultrasonography, Doppler, Color - methods Ultrasonography, Doppler, Pulsed - methods Ureter - diagnostic imaging Ureter - drug effects Ureter - physiology Ureteric jet Urodynamics - drug effects vesicoureteral junction VUJ |
| title | Ureteric jet in the anaesthetised child |
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