Objective:We aimed to established normal uroflowmetric values and subsequently derived nomograms of _(max)imum flow rate(Q_(max))and average flow rate(Q_(avg))against voided volume(VV)in children aged 5-15 years at ou...Objective:We aimed to established normal uroflowmetric values and subsequently derived nomograms of _(max)imum flow rate(Q_(max))and average flow rate(Q_(avg))against voided volume(VV)in children aged 5-15 years at our institute.Methods:A total of 440 children underwent uroflowmetric evaluation with no history of urological,renal,psychiatric,or neurological disorder between 5 and 15 years of age.Each subject data regarding Q_(max),Q_(avg),VV,time to Q_(max),and flow time,as well as age,sex,height,and weight were recorded.Of the 440 children,around 300(68.18%)children could produce a normal flow rate at VV of more than 50 mL.Of the remaining 140(31.82%)children,50.00%voided less than 50 mL,and remaining 50.00%had abnormal voiding pattern,staccato or interrupted(21.43%each)and plateau or tower shaped(3.57%each).Cases were divided into two age groups(5-9 years and 10-15 years),and uroflowmetric analysis was done between boys and girls in both age groups to derive nomograms of Q_(avg) and Q_(max).Results:Q_(max) and Q_(avg) flow nomograms were plotted for boys and girls.Mean Q_(max) for boys was 16.68 mL/s and for girls 20.69 mL/s.The mean Q_(avg) values were 11.04 mL/s and 8.60 mL/s for girls and boys,respectively.The Q_(max) and Q_(avg) values were higher in girls.There were significant increases in flow rates with increasing age,body surface area,and VV in both sexes.Conclusions:Nomograms for Q_(max) and Q_(avg) may be a useful tool in evaluation of lower urinary tract disturbances in children.展开更多
文摘Objective:We aimed to established normal uroflowmetric values and subsequently derived nomograms of _(max)imum flow rate(Q_(max))and average flow rate(Q_(avg))against voided volume(VV)in children aged 5-15 years at our institute.Methods:A total of 440 children underwent uroflowmetric evaluation with no history of urological,renal,psychiatric,or neurological disorder between 5 and 15 years of age.Each subject data regarding Q_(max),Q_(avg),VV,time to Q_(max),and flow time,as well as age,sex,height,and weight were recorded.Of the 440 children,around 300(68.18%)children could produce a normal flow rate at VV of more than 50 mL.Of the remaining 140(31.82%)children,50.00%voided less than 50 mL,and remaining 50.00%had abnormal voiding pattern,staccato or interrupted(21.43%each)and plateau or tower shaped(3.57%each).Cases were divided into two age groups(5-9 years and 10-15 years),and uroflowmetric analysis was done between boys and girls in both age groups to derive nomograms of Q_(avg) and Q_(max).Results:Q_(max) and Q_(avg) flow nomograms were plotted for boys and girls.Mean Q_(max) for boys was 16.68 mL/s and for girls 20.69 mL/s.The mean Q_(avg) values were 11.04 mL/s and 8.60 mL/s for girls and boys,respectively.The Q_(max) and Q_(avg) values were higher in girls.There were significant increases in flow rates with increasing age,body surface area,and VV in both sexes.Conclusions:Nomograms for Q_(max) and Q_(avg) may be a useful tool in evaluation of lower urinary tract disturbances in children.
