Objetivo:
Evaluar la función uterina utilizando imágenes de resonancia magnética en cine para visualizar los movimientos contractiles del útero en pacientes con y sin endometriosis infiltrante profunda (con o sin adenomiosis asociada).
Materiales y Métodos:
Este fue un estudio de casos y controles prospectivo. La muestra del estudio comprendió 43 mujeres: 18 en el grupo de casos y 25 en el grupo de control. Realizamos imágenes de resonancia magnética en cine en un escáner de 3.0 T, enfocándonos en la presencia, dirección y frecuencia de la peristalsis uterina.
Resultados:
La frecuencia de la peristalsis uterina fue mayor en el grupo de casos que en el grupo de control, en la fase periovulatoria (3.83 vs. 2.44 ondas peristálticas en dos minutos) y en la fase lútea (1.20 vs. 0.91 ondas peristálticas en dos minutos). Sin embargo, esas diferencias no fueron estadísticamente significativas. Hubo una diferencia significativa entre las pacientes con adenomiosis y aquellas sin adenomiosis en términos de la frecuencia de peristalsis durante la fase folicular tardía/periovulatoria (0.8 vs. 3.18 ondas peristálticas en dos minutos; p < 0.05)
Conclusión:
La frecuencia de la peristalsis uterina parece ser mayor durante las fases periovulatoria y lútea en pacientes con endometriosis infiltrante profunda, mientras que parece ser significativamente menor durante la fase folicular tardía/periovulatoria en pacientes con adenomiosis. Ambos efectos podrían tener un impacto negativo en el transporte de espermatozoides y en las primeras etapas de la fertilización
Palabras clave:
Útero/fisiología; Contracción uterina; Infertilidad; Imágenes de resonancia magnética, cine; Endometriosis; Adenomiosis.

Objective:
To evaluate uterine function by using cine magnetic resonance imaging to visualize the contractile movements of the uterus in patients with and without deep infiltrating endometriosis (with or without associated adenomyosis).
Materials and Methods:
This was a prospective case-control study. The study sample comprised 43 women: 18 in the case group and 25 in the control group. We performed cine magnetic resonance imaging in a 3.0 T scanner, focusing on the presence, direction, and frequency of uterine peristalsis.
Results:
The frequency of uterine peristalsis was higher in the case group than in the control group, in the periovulatory phase (3.83 vs. 2.44 peristaltic waves in two minutes) and luteal phase (1.20 vs. 0.91 peristaltic waves in two minutes). However, those differences were not statistically significant. There was a significant difference between the patients with adenomyosis and those without in terms of the frequency of peristalsis during the late follicular/periovulatory phase (0.8 vs. 3.18 peristaltic waves in two minutes; p < 0.05)
Conclusion:
The frequency of uterine peristalsis appears to be higher during the periovulatory and luteal phases in patients with deep infiltrating endometriosis, whereas it appears to be significantly lower during the late follicular/periovulatory phase in patients with adenomyosis. Both of those effects could have a negative impact on sperm transport and on the early stages of fertilization
Keywords:
Uterus/physiology; Uterine contraction; Infertility; Magnetic resonance imaging, cine; Endometriosis; Adenomyosis.

Objective:
To evaluate uterine function by using cine magnetic resonance imaging to visualize the contractile movements of the uterus in patients with and without deep infiltrating endometriosis (with or without associated adenomyosis).
Materials and Methods:
This was a prospective case-control study. The study sample comprised 43 women: 18 in the case group and 25 in the control group. We performed cine magnetic resonance imaging in a 3.0 T scanner, focusing on the presence, direction, and frequency of uterine peristalsis.
Results:
The frequency of uterine peristalsis was higher in the case group than in the control group, in the periovulatory phase (3.83 vs. 2.44 peristaltic waves in two minutes) and luteal phase (1.20 vs. 0.91 peristaltic waves in two minutes). However, those differences were not statistically significant. There was a significant difference between the patients with adenomyosis and those without in terms of the frequency of peristalsis during the late follicular/periovulatory phase (0.8 vs. 3.18 peristaltic waves in two minutes; p < 0.05)
Conclusion:
The frequency of uterine peristalsis appears to be higher during the periovulatory and luteal phases in patients with deep infiltrating endometriosis, whereas it appears to be significantly lower during the late follicular/periovulatory phase in patients with adenomyosis. Both of those effects could have a negative impact on sperm transport and on the early stages of fertilization
Keywords:
Uterus/physiology; Uterine contraction; Infertility; Magnetic resonance imaging, cine; Endometriosis; Adenomyosis.