The main objective of this study is to evaluate the effect of lidocaine versus placebo according to the visual analog pain scale, during manual uterine aspiration in patients with endometrial thickening, by means of a prospective, randomized, double-blind, placebo-controlled clinical trial, taking into account women with a diagnosis of endometrial thickening, requiring MVA, which will be performed in the emergency area of Obstetrics and Gynecology of the Hospital Materno Infantil, by resident physicians of the second year of the residency of said postgraduate course supervised by specialist physicians. A sample of 126 participants will be studied, divided into 2 groups of 63 patients each (control and intervention), the first group will be given placebo and the second group will be given lidocaine 10%, 20 sprays, in addition to the pre-established pain management for MVA, and the pain perception before, during and after the procedure will be evaluated by means of the visual analog pain scale. The data will be tabulated and analyzed in Redcap (software) using descriptive statistics.
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Visual Analog Pain Scale
Timeframe: Since intervention until 2 hours