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Efficacy of Transcutaneous Electrical Nerve Stimulation in the Treatment of Overactive Bladder
Nidhi Sharma1, Kaja Rekha2, Krishnamurthy Jayashree Srinivasan3
1Associate Professor, Department of Obstetrics and Gynaecology, Saveetha Medical College , Chennai, Tamil Nadu, India .
Introduction:
Overactive Bladder (OAB) accounts for 40-70% cases of incontinence. The etiology is unknown though detrusor instability is found in urodynamic evaluation of almost all cases. Detrusor instability or hyperreflexia can be inhibited by direct inhibition of impulses in the pre-ganglionic afferent neuron or by inhibition of bladder pre-ganglionic neurons of the efferent limb of micturition reflex. Transcutaneous Electrical Nerve Stimulation (TENS) is based on the gate control theory of abolishing the local micturition reflex arc.
Aim:
To assess the effectiveness and safety of TENS in idiopathic OAB.
Materials And Methods:
It is a prospective experimental study to evaluate the effectiveness of TENS v/s placebo in reducing OAB symptoms. (n1=20, n2 =20). Ten treatment sessions (5 sessions/week) of 30 minutes, were conducted.
Results:
There was a significant improvement in Overactive Bladder Symptom Scores (OABSS) in TENS group and 2 patients were completely dry following TENS therapy.
Conclusion:
In elderly women, patients with OAB where other co-medications have their own anticholinergic side effects and impairment of cognition is a concern, TENS can be a useful intervention. TENS units are safe, economical and easily commercially available.
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