MP51-08 VOIDING PATTERN IN HEALTHY TERM NEWBORNS: A 24 HOURS VOLUME/FREQUENCY CHART USING ALARM BELLS

Abstract

You have accessJournal of UrologyPediatric Urology IV (MP51)1 Sep 2021MP51-08 VOIDING PATTERN IN HEALTHY TERM NEWBORNS: A 24 HOURS VOLUME/FREQUENCY CHART USING ALARM BELLS Dmitry Khunovich, Alexander Tsivian, Ami Sidi, and David Ben Meir Dmitry KhunovichDmitry Khunovich More articles by this author , Alexander TsivianAlexander Tsivian More articles by this author , Ami SidiAmi Sidi More articles by this author , and David Ben MeirDavid Ben Meir More articles by this author View All Author Informationhttps://doi.org/10.1097/JU.0000000000002077.08AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract INTRODUCTION AND OBJECTIVE: The frequency/volume chart is an excellent screening method for the evaluation of voiding disorders in children. It is simple and practical and provides relevant information on daily voiding patterns. For the evaluation of suspected pediatric bladder dysfunction, a 4-hour observation period has been used in Sweden for more than a decade. Voiding patterns in healthy neonates are characterized by small, frequent voids of varying volumes. Their voiding frequency is 10 to 15 times per day until almost 12 months of age; some have suggested that normalization of urinary flow begins after the first year of life with decrease of urinary frequency to 8–10 times per day at the age of 2–3 years. It is often necessary to evaluate the bladder function in neonates with overt or suspected neuropathic bladder. However, there are no reference values for a 24-hour observation for this age group. To our knowledge, this study is the first evaluating the voiding pattern in newborns during a consecutive 24-hour period. Aim 1st- To obtain a more comprehensive data on the voiding patterns in newborns using 24-hour observations. The secondary end point of the study was the observation on defecation patterns. METHODS: Healthy newborns. 24-hour long observation period of voiding parameters. The diaper was equipped with an alarm bell (Malem™ Audio Alarm (MO3). The residual volume was not measured. RESULTS: 24 newborns completed the study, 11 girls and 13 boys, aged 7 to 49 hours (median, 19.5). The median birth age was 39.1 weeks (range 38.2-41.2), median weight was 3.284 kg (range 2.7-3.998). There was no correlation between age, height, or body weight and any micturition parameter. Neither were there any differences between girls and boys. The newborns voided 2 to 10 times during the 24-hour observation period with a median frequency of 6. The voided volume (VV) range was 10-39 ml (median 16 ml). The maximal VV in each infant was 12 to 53 ml (median, 26 ml). All but 1 infant voided within 24 hours of birth, the range was 1-36 hours (median 8.5). One infant voided for the 1st time 36 hours after birth without any obvious reason. Defecations were recorded in 23 infants during the 24-hour observation period with frequency of 0 to 7 (median, 3). CONCLUSIONS: This pilot study found that healthy newborns voids with a median frequency of 6 during a 24-hour observation period and not once an hour as previously suggested. 4-hour observation, evaluating infants and pre-toiled trained children, is insufficient. 24-hour observation should be used and may be effectively done using alarm bell. Source of Funding: No © 2021 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 206Issue Supplement 3September 2021Page: e899-e899 Advertisement Copyright & Permissions© 2021 by American Urological Association Education and Research, Inc.MetricsAuthor Information Dmitry Khunovich More articles by this author Alexander Tsivian More articles by this author Ami Sidi More articles by this author David Ben Meir More articles by this author Expand All Advertisement Loading ...