VARIABILIDAD DE LA PRESIÓN ARTERIAL Y RIESGO DE EVENTOS CARDIOVASCULARES Y MORTALIDAD EN ADULTOS CON HIPERTENSIÓN ARTERIAL: REVISIÓN SISTEMÁTICA FOCALIZADA Y ACTUALIZACIÓN DE LA EVIDENCIA

Autores/as

Palabras clave:

hipertensión; variabilidad de la presión arterial; riesgo cardiovascular; mortalidad; presión arterial sistólica; revisión sistemática

Resumen

DOI: https://doi.org/10.46296/yc.v10i19.0949

Resumen

Introducción: La presión arterial (PA) media continúa siendo el objetivo central del tratamiento antihipertensivo, pero las fluctuaciones intraindividuales de la PA pueden identificar riesgo residual no capturado por el promedio. Objetivo: sintetizar la evidencia sobre la asociación entre variabilidad de la presión arterial (VPA) y eventos cardiovasculares y mortalidad en adultos con hipertensión arterial. Métodos: revisión sistemática focalizada y actualización de evidencia basada en estudios de cohortes y análisis post hoc de ensayos con hipertensión establecida. Se priorizaron medidas de variabilidad visita a visita (desviación estándar [DE], coeficiente de variación [CV], variabilidad independiente de la media [VIM] y variabilidad real promedio [ARV]) y, secundariamente, variabilidad de 24 horas. Se consideraron MACE, ictus, eventos coronarios, insuficiencia cardiaca, mortalidad cardiovascular y mortalidad por todas las causas. Debido a la heterogeneidad de métricas, escalas y contrastes, se realizó síntesis cualitativa. Resultados: se integraron 13 estudios clave. La mayoría mostró una relación independiente y graduada entre mayor VPA sistólica y peor pronóstico. En ASCOT-BPLA, el decil superior de DE sistólica se asoció con mayor riesgo de ictus (HR 3,25; IC95% 2,32–4,54). En VALUE (n=13.803), el quintil superior de DE sistólica duplicó el riesgo de eventos cardiovasculares (HR 2,10; IC95% 1,70–2,40), y cada 5 mmHg adicionales de DE aumentaron la mortalidad 10% (HR 1,10; IC95% 1,04–1,17). En 225.759 hipertensos chinos, cada incremento de 10 mmHg en la DE sistólica se asoció con mayor riesgo cardiovascular (HR 1,35; IC95% 1,30–1,39) y de mortalidad (HR 1,40; IC95% 1,34–1,45). Sin embargo, SPRINT no confirmó una asociación independiente consistente del componente sistólico bajo control intensivo, y STEP sugirió que el valor pronóstico puede atenuarse con estrategias intensivas. Conclusiones: la VPA sistólica elevada es un marcador pronóstico reproducible en hipertensión, especialmente cuando el control promedio no es intensivo o estable. Su medición complementa, pero no sustituye, el control de la PA media. Se requieren umbrales y protocolos estandarizados antes de recomendar su uso rutinario como objetivo terapéutico.

Palabras claves: hipertensión; variabilidad de la presión arterial; riesgo cardiovascular; mortalidad; presión arterial sistólica; revisión sistemática.

Abstract

Background: Mean blood pressure (BP) remains the main therapeutic target in hypertension, but intra-individual BP fluctuations may capture residual risk not reflected by average BP. Objective: To synthesize evidence on the association of blood pressure variability (BPV) with cardiovascular events and mortality in adults with hypertension. Methods: Focused systematic review and evidence update of cohort studies and post hoc trial analyses in established hypertension. Visit-to-visit variability—standard deviation (SD), coefficient of variation (CV), variability independent of the mean (VIM), and average real variability (ARV)—was prioritized, with 24-hour variability considered secondarily. Outcomes included major adverse cardiovascular events (MACE), stroke, coronary events, heart failure, cardiovascular mortality, and all-cause mortality. Because exposure metrics, scales, and contrasts were highly heterogeneous, a qualitative synthesis was performed. Results: Thirteen key studies were integrated. Most showed an independent graded association between higher systolic BPV and adverse outcomes. In ASCOT-BPLA, the highest decile of systolic SD was associated with stroke (HR 3.25; 95% CI 2.32–4.54). In VALUE (n=13,803), the highest quintile of systolic SD doubled cardiovascular event risk (HR 2.10; 95% CI 1.70–2.40), while each 5-mmHg increase in SD increased mortality by 10% (HR 1.10; 95% CI 1.04–1.17). In 225,759 Chinese adults with hypertension, each 10-mmHg increase in systolic SD was associated with cardiovascular disease (HR 1.35; 95% CI 1.30–1.39) and mortality (HR 1.40; 95% CI 1.34–1.45). Conversely, SPRINT did not show a consistent independent association for systolic office BPV under intensive control, and STEP suggested attenuation of prognostic value with intensive treatment. Conclusions: Elevated systolic BPV is a reproducible prognostic marker in hypertension, particularly when average BP control is not intensive or stable. BPV may complement—but should not replace—mean BP control. Standardized thresholds and measurement protocols are needed before routine use as a therapeutic target.

Keywords: hypertension; blood pressure variability; cardiovascular risk; mortality; systolic blood pressure; systematic review.

Información del manuscrito:
Fecha de recepción:
09 de abril de 2026.
Fecha de aceptación: 18 de junio de 2026.
Fecha de publicación: 10 de julio de 2026.

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Publicado

2026-07-10

Cómo citar

Balarezo-Espinoza, M. P., Guzmán-Chávez, L. G., Delgado-Astudillo, P. F., Caldas-Hidalgo, E. A., & Flores-Cumba, J. A. (2026). VARIABILIDAD DE LA PRESIÓN ARTERIAL Y RIESGO DE EVENTOS CARDIOVASCULARES Y MORTALIDAD EN ADULTOS CON HIPERTENSIÓN ARTERIAL: REVISIÓN SISTEMÁTICA FOCALIZADA Y ACTUALIZACIÓN DE LA EVIDENCIA. REVISTA CIENTÍFICA MULTIDISCIPLINARIA ARBITRADA YACHASUN - ISSN: 2697-3456, 10(19), 521–534. Recuperado a partir de https://www.editorialibkn.com/index.php/Yachasun/article/view/1028