Extracorporeal pelvic floor magnetic stimulation in children with voiding dysfunction.
OBJECTIVE
To determine the effect of extracorporeal pelvic floor magnetic stimulation in children with an overactive bladder, as although such stimulation is an effective treatment for voiding dysfunction such as urge incontinence (UI) and urgency-frequency syndrome, experience in children is scarce.


METHODS
This prospective study included 42 children diagnosed with an overactive bladder, based on urodynamic or video-urodynamic study; a complete follow-up was available in 34. The children were grouped into those with UI only, not monosymptomatic nocturnal enuresis (nMNE), or MNE, according to their symptoms. Clinical variables were assessed by recording a voiding and nocturnal enuresis diary before and after magnetic stimulation, the latter being administered twice a week for 4 weeks using a size-adjusted magnetic chair (each session took 20 min).


RESULTS
The UI only and nMNE group had a significant decrease in voiding frequency and frequency of UI (P < 0.05); the MNE group also had a significant decrease in voiding frequency (P < 0.05). There was a significant increase in functional bladder capacity in all groups (P < 0.05) but no significant decrease in the mean volume and frequency of NE in the nMNE and MNE groups (P > 0.05).


CONCLUSIONS
Extracorporeal pelvic floor magnetic stimulation has an acute effect on voiding dysfunction such as urge syndrome in children. However, controlled studies with a sham-stimulation group and various durations of stimulation are necessary for its application as a primary treatment for voiding dysfunction in children.
Kim
Jae Wook
JW
Brain Korea 21 Project for Medical Science, Urological Science Institute, Yonsei University College Of Medicine, Seoul, Korea.
Kim
Myoung Jin
MJ
Noh
Ji Yeun
JY
Lee
Hye Young
HY
Han
Sang Won
SW
D002648:Child; D004775:Enuresis / Q000628:therapy*; D005260:Female; D006801:Humans; D008280:Magnetics / Q000627:therapeutic use*; D008297:Male; D017773:Pelvic Floor; D010812:Physical Stimulation / Q000379:methods*; D011446:Prospective Studies; D016896:Treatment Outcome; D014549:Urinary Incontinence / Q000628:therapy*