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You are watching: Debris in bladder on ultrasound

Back come 2016 yearly MeetingBladder Debris on Renal and Bladder Ultrasound: A bad Predictor of positive Urine CulturesJoseph W. McQuaid, MD, Michael P. Kurtz, MD, MPH, Tanya Logvinenko, PhD, Caleb P. Nelson, MD, MPH. Boston Children"s Hospital, Boston, MA, USA.BACKGROUND: Renal and bladder ultrasound (RBUS) is recommended in the review of youngsters after one initial, febrile urinary street infection. While it is not uncommon to observe debris within the bladder lumen ~ above sonography, the definition of this recognize is uncertain. In some cases, debris in taken as an indication of ongoing infection, however there have actually been no researches to day demonstrating this association. The target of this study is to evaluate the combination of bladder debris noted at time of RBUS with optimistic urine culture results from a catheterized specimen, amongst patients undergoing RBUS and voiding cystourethrogram (VCUG) on the exact same day. METHODS: A total of 3995 patient were determined with RBUS and VCUG perform on the very same day. RBUS reports to be reviewed because that the presence of bladder debris, and evaluation was restricted to patients under 60 months of age with a catheterized pee specimen sent for society at the moment of the studies. Those v prior postnatal imaging or a diagnosis the prenatal hydronephrosis to be excluded. 33 subjects with bladder debris top top RBUS were identified and also matched come 153 controls based top top age, gender, circumcision status, and also presence the hydronephrosis. A confident urine culture was defined as >50,000 nest forming units per mL the at the very least one organism. A conditional logistic regression version was provided to evaluate the association in between debris top top RBUS and positive urine society results. RESULTS: The median period of the cohort to be 17 month (IQR = 5-34) and also 68.8% were female. No statistically far-ranging association between debris ~ above RBUS and also positive urine society result to be detected (OR=2.03, 95% CI: 0.42-9.79, p=0.3791). In a multivariate version adjusting for age, existence of debris ~ above RBUS was still not significantly connected with confident urine culture; however, age had a far-reaching association with optimistic urine cultures, v odds the a optimistic urine society decreasing by 77% because that every 1-month rise in period (OR=0.23, 95% CI: 0.07, 0.80, p=0.0208). CONCLUSIONS: The visibility of bladder debris on RBUS is not predictive of a positive urine society at time of testimonial for an initial urinary street infection. Whether this conclusions might be applied much more broadly to all children, consisting of those presenting with clinical signs or symptoms of urinary street infection, stays to it is in determined. However, this is the just study to day to consider the predictive worth of echogenic bladder debris on ultrasound.
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