Video Experimental Relacionado
Updated: Sep 10, 2025
08:36
Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
Published on: August 8, 2019
12.1K
Diferencias de sexo en 24 horas Presión arterial en trabajadores de turno nocturno
Barbara Toffoli1, Silvia Berti1, Ilaria Pitteri1
1Department of Medical Surgical and Health Sciences, University of Trieste, Cattinara Teaching Hospital, Strada di Fiume 447, 34100 Trieste, Italy.
Journal of clinical medicine
|August 28, 2025
Resumen
Este estudio revela diferencias entre los sexos en las respuestas de la presión arterial al trabajo nocturno. Mientras que los hombres tenían una presión arterial más alta, las mujeres mostraron una menor tolerancia al trabajo por turnos, potencialmente relacionada con las variaciones del ritmo circadiano.
Área de la Ciencia:
- Fisiología cardiovascular
- Medicina de género
- Cronología
Sus antecedentes:
- La presión arterial (PA) es un factor clave de riesgo de enfermedad cardiovascular y presenta dimorfismo sexual.
- El trabajo por turnos, especialmente los turnos nocturnos, está relacionado con la hipertensión, pero los efectos específicos del sexo no se comprenden bien.
- La medicina de género investiga las diferencias de salud basadas en el sexo y el género.
Objetivo del estudio:
- Para investigar las diferencias de sexo en los perfiles de presión arterial de 24 horas durante los turnos diurnos frente a los nocturnos.
- Explorar cómo el trabajo nocturno afecta la regulación de la presión arterial en hombres y mujeres.
Principales métodos:
- Análisis post hoc de los datos de control ambulatorio de la presión arterial de un estudio previo.
- Comparación de perfiles de presión arterial de 24 horas en dos condiciones: un día con un turno de día y un día con un turno de noche.
- Análisis de 25 médicos (10 hombres, 15 mujeres) con poca exposición al trabajo de turno nocturno.
Principales resultados:
- Los machos mostraron niveles de presión arterial consistentemente más altos que las hembras.
- Las hembras mostraron un aumento significativo de la presión arterial sistólica (PAS) durante el turno de noche en comparación con una noche de descanso.
- Ambos sexos habían reducido la presión arterial durante los turnos nocturnos, pero las hembras mantuvieron esta reducción después del turno. La expresión del gen BMAL1 aumentó después del turno nocturno solo en las hembras.
Conclusiones:
- La regulación de la presión arterial demuestra diferencias significativas entre el sexo y el sexo.
- Las mujeres pueden tener una menor tolerancia al trabajo por turnos, posiblemente debido a la regulación del ritmo circadiano específica del sexo que afecta a la presión arterial.
- Estos hallazgos ponen de relieve la importancia de considerar el sexo para comprender el impacto cardiovascular del trabajo por turnos.
Videos de Conceptos Relacionados
01:15Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response
123
Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
123
01:28Factors affecting Blood pressure
4.4K
Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
Physiological Factors:
4.4K
01:28Special considerations while measuring blood pressure
822
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
822
01:30Alterations in Blood Pressure
1.5K
Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
1.5K
01:15Assessment of blood pressure in brachial artery(one-step method)
689
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Prepare for the Procedure:
689
01:17Hormonal Regulation of Blood Pressure
3.1K
Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction...
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction...
3.1K