{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T01:52:31Z","timestamp":1747187551826,"version":"3.40.5"},"reference-count":20,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2019,7,25]],"date-time":"2019-07-25T00:00:00Z","timestamp":1564012800000},"content-version":"vor","delay-in-days":24,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pediatrics International"],"published-print":{"date-parts":[[2019,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Overnight catheter drainage (<jats:styled-content style=\"fixed-case\">OCD<\/jats:styled-content>) is introduced to avoid overdistention of the bladder at night\u2010time when clean intermittent catheterization proves ineffective for daytime management of neurogenic bladder. We adopted <jats:styled-content style=\"fixed-case\">OCD<\/jats:styled-content> using disposable silicone no\u2010balloon (<jats:styled-content style=\"fixed-case\">DS<\/jats:styled-content>nB) catheters, with the distal end outside the body opening into diapers. <jats:styled-content style=\"fixed-case\">OCD<\/jats:styled-content> using <jats:styled-content style=\"fixed-case\">DS<\/jats:styled-content>nB catheter, however, had risks of retrograde bacterial contamination. Therefore, in this study, the validity of equipping <jats:styled-content style=\"fixed-case\">DS<\/jats:styled-content>nB catheters with check valves to prevent retrograde bacterial contamination was examined.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>For the <jats:italic>in\u00a0vitro<\/jats:italic> study, excised saline\u2010filled swine bladders were drained using <jats:styled-content style=\"fixed-case\">DS<\/jats:styled-content>nB catheters with or without check valves, and the time required for intravesical pressure to reach 5\u00a0cmH<jats:sub>2<\/jats:sub>O was measured. For the <jats:italic>in\u00a0vivo<\/jats:italic> study, in cross\u2010over experiments comparing <jats:styled-content style=\"fixed-case\">DS<\/jats:styled-content>nB catheters with and without check valves, <jats:styled-content style=\"fixed-case\">OCD<\/jats:styled-content> using <jats:styled-content style=\"fixed-case\">DS<\/jats:styled-content>nB catheters for 10\u00a0h was performed in rabbits under analgesia. Bacterial growth from urine samples before and after <jats:styled-content style=\"fixed-case\">OCD<\/jats:styled-content> and residual urine volume were examined.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>For the <jats:italic>in\u00a0vitro<\/jats:italic> experiment, the median drainage time was 368.2\u00a0s (range, 88\u20131,085\u00a0s) and 344.7\u00a0s (range, 28\u2013840\u00a0s) with and without check valves, respectively (<jats:italic>n<\/jats:italic> = 6), which was not significantly different. For the <jats:italic>in\u00a0vivo<\/jats:italic> experiment, in cross\u2010over experiments (<jats:italic>n<\/jats:italic> = 8) new bacterial growth rates after <jats:styled-content style=\"fixed-case\">OCD<\/jats:styled-content> did not differ, and median residual urine volume was 17.1\u00a0<jats:styled-content style=\"fixed-case\">mL<\/jats:styled-content> (range, 0\u201375\u00a0<jats:styled-content style=\"fixed-case\">mL<\/jats:styled-content>) and 1.2\u00a0<jats:styled-content style=\"fixed-case\">mL<\/jats:styled-content> (range, 0\u20135\u00a0<jats:styled-content style=\"fixed-case\">mL<\/jats:styled-content>) with and without check valves, respectively (<jats:italic>P<\/jats:italic> = 0.055).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Installing a check valve in the <jats:styled-content style=\"fixed-case\">DS<\/jats:styled-content>nB catheter did not decrease new bacterial growth, while tending to increase residual urine volume. <jats:styled-content style=\"fixed-case\">DS<\/jats:styled-content>nB catheters without check valves appear to be better for continuous drainage of urine from bladder.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ped.13806","type":"journal-article","created":{"date-parts":[[2019,2,19]],"date-time":"2019-02-19T13:15:06Z","timestamp":1550582106000},"page":"706-711","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Validity of a disposable catheter to drain urine overnight in neurogenic bladder"],"prefix":"10.1111","volume":"61","author":[{"given":"Hiromi","family":"Furukawa","sequence":"first","affiliation":[{"name":"Department of Pediatrics Iwate Medical University School of Medicine Morioka Iwate Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7585-1182","authenticated-orcid":false,"given":"Ken","family":"Ishikawa","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Iwate Medical University School of Medicine Morioka Iwate Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1236-3098","authenticated-orcid":false,"given":"Shigekuni","family":"Tsuchiya","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Iwate Medical University School of Medicine Morioka Iwate Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6956-649X","authenticated-orcid":false,"given":"Saeko","family":"Nishimi","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Iwate Medical University School of Medicine Morioka Iwate Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Makoto","family":"Sasaki","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Iwate Medical University School of Medicine Morioka Iwate Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chinatsu","family":"Onodera","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Iwate Medical University School of Medicine Morioka Iwate Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akira","family":"Takada","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Iwate Medical University School of Medicine Morioka Iwate Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kotaro","family":"Oyama","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Iwate Medical University School of Medicine Morioka Iwate Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shoichi","family":"Chida","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Iwate Medical University School of Medicine Morioka Iwate Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2019,7,25]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.juro.2015.03.107"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.ju.0000176418.24299.ff"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-5347(05)65453-5"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1464-410X.2003.04353.x"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.ju.0000179394.57859.9d"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11884-016-0371-6"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.5489\/cuaj.955"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.4291\/wjgp.v7.i1.186"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00134-007-0592-4"},{"key":"e_1_2_8_11_1","doi-asserted-by":"crossref","first-page":"25","DOI":"10.2340\/1650197785172538","article-title":"Intra\u2010abdominal pressure and trunk muscle activity during lifting. 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