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Correlation between maximum voluntary contraction and endurance measured by digital palpation and manometry: An
Fátima Faní Fitz1, Liliana Stüpp2, Thaís Fonseca Costa3
1PT, MSc, Department of Gynecology, Universidade Federal de São Paulo (Unifesp), São Paulo, SP, Brazil.
Introduction::
Digital palpation and manometry are methods that can provide information regarding maximum voluntary contraction (MVC) and endurance of the pelvic floor muscles (PFM), and a strong correlation between these variables can be expected.
Objective::
To investigate the correlation between MVC and endurance, measured by digital palpation and manometry.
Method::
Forty-two women, with mean age of 58.1 years (±10.2), and predominant symptoms of stress urinary incontinence (SUI), were included. Examination was firstly conducted by digital palpation and subsequently using a Peritron manometer. MVC was measured using a 0-5 score, based on the Oxford Grading Scale. Endurance was assessed based on the PERFECT scheme.
Results::
We found a significant positive correlation between the MVC measured by digital palpation and the peak manometric pressure (r=0.579, p<0.001), and between the measurements of the endurance by Peritron manometer and the PERFECT assessment scheme (r=0.559, P<0.001).
Conclusion::
Our results revealed a positive and significant correlation between the capacity and maintenance of PFM contraction using digital and manometer evaluations in women with predominant symptoms of SUI.
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