1997 Fiscal Year Final Research Report Summary
Urodynamic and histological study of vesico-ureteral junction in refluxing and non-refluxing ureters
| Project/Area Number |
08457417
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Urology
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| Research Institution | Hokkaido University |
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Principal Investigator |
NONOMURA Katsuya Hokkaido University School of Medicine / Associate Professor, 医学部, 助教授 (60113750)
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| Co-Investigator(Kenkyū-buntansha) |
KAKIZAKI Hidehiro Hokkaido University Hospital / Instructor, 医学部附属病院, 助手 (10241324)
KOBAYASHI Shinya Hokkaido University Hospital / Assistant Professor, 医学部附属病院, 講師 (80221240)
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| Project Period (FY) |
1996 – 1997
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| Keywords | vesicoureteral reflux / megaloureter / ureteral pressure / intramural ureter / submucosal ureter |
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| Research Abstract |
A.Estimation of ureteral pressure in intramural ureter of children resulted the following :
(1) There is no difference of functional intramural ureteral length and pressure between refluxing ureter and non-refluxing ureter.
(2) Non-functional submucosal ureter of refluxing ureter is longer than that of non refluxing ureter.
These evidences conceive that the impotrance of submucosal tunnel for prohibiting vesicoureteral reflux.
B.Infants with vesicoureteral reflux and without any infravesical obstruction often have vestiges of fetal infravesical obstruction clinically.
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