Neurourology and urodynamics · 2010
A new method to measure vaginal sensibility.
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Lakeman M M E, Laan E, Vaart C H, Roovers J P
Аннотация
INTRODUCTION: Vaginal surgery may affect sexual function both positively and negatively. Possibly, negative consequences of surgical interventions on sexuality may be caused by reduced sensibility of the vaginal wall.
AIMS: To develop a new method to measure vaginal sensibility.
METHODS: We developed a technique to measure the sensibility of the vaginal wall consisting of a St Marks electrode on a gloved index finger, with a stimulating electrode mounted at the tip. Measurements were performed in four different target areas (caudal and cranial, posterior and anterior) by two independent female researchers in a random order. Subjects were 12 healthy women.
RESULTS: The intra-observer reproducibility of both researchers was almost perfect (Pearsons-Rho correlation coefficient 0.77-0.96 < 0.001). The inter-observer reproducibility was moderate (Pearsons-Rho correlation coefficient 0.39-0.49). Both researchers measured increased sensibility in the cranial posterior vaginal wall relative to the cranial anterior vaginal wall, but for all measurements, researcher 2 obtained higher sensibility ratings than researcher 1. In addition, researcher 2 found a decreased sensibility in the cranial anterior vaginal wall for women not using oral contraceptives. Phase of the menstrual cycle did not influence vaginal sensibility.
CONCLUSION: We developed a new instrument to measure vaginal sensibility. The instrument has excellent intra-observer reproducibility. This method is sufficiently sensitive so as to differentiate between anterior and posterior cranial vaginal wall sensibility, but outcome differs as a function of researcher. Further evaluation of the clinical use of this method is needed, provided that measurements are performed by the same researcher.
AIMS: To develop a new method to measure vaginal sensibility.
METHODS: We developed a technique to measure the sensibility of the vaginal wall consisting of a St Marks electrode on a gloved index finger, with a stimulating electrode mounted at the tip. Measurements were performed in four different target areas (caudal and cranial, posterior and anterior) by two independent female researchers in a random order. Subjects were 12 healthy women.
RESULTS: The intra-observer reproducibility of both researchers was almost perfect (Pearsons-Rho correlation coefficient 0.77-0.96 < 0.001). The inter-observer reproducibility was moderate (Pearsons-Rho correlation coefficient 0.39-0.49). Both researchers measured increased sensibility in the cranial posterior vaginal wall relative to the cranial anterior vaginal wall, but for all measurements, researcher 2 obtained higher sensibility ratings than researcher 1. In addition, researcher 2 found a decreased sensibility in the cranial anterior vaginal wall for women not using oral contraceptives. Phase of the menstrual cycle did not influence vaginal sensibility.
CONCLUSION: We developed a new instrument to measure vaginal sensibility. The instrument has excellent intra-observer reproducibility. This method is sufficiently sensitive so as to differentiate between anterior and posterior cranial vaginal wall sensibility, but outcome differs as a function of researcher. Further evaluation of the clinical use of this method is needed, provided that measurements are performed by the same researcher.