Research progress on the correlation between blood pressure variability and hypertensive microvascular disease

Q: What are the key findings of this study?

Blood pressure variability is an independent risk factor exacerbating microvascular damage and cardiovascular events in hypertensive adults, with reported hazard ratios up to 1.97 for diabetes risk and odds ratio 1.171 for retinopathy risk.

Q: What is the clinical evidence from this study?

Study design: Review. Population: Adults with hypertension at risk for microvascular complications including elderly and those with diabetes and obesity. Primary outcome: Association of blood pressure variability (BPV) with microvascular complications and cardiovascular events in hypertensive populations.

Q: What does this research mean for the field?

Blood pressure variability (BPV) increases the risk of stroke corresponding to a hazard ratio of 1.27 (95% CI: 1.05–1.54). Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

Yi Huang; Hongyu Kuang; Jie Zhu; Jia Wei; Pei Pan; Xiaolei Hu; K E Yang; Xiaoshu Yi; Huaan Du

doi:10.3389/fcvm.2026.1759344

February 9, 2026Frontiers in Cardiovascular MedicineOpen Access

Research progress on the correlation between blood pressure variability and hypertensive microvascular disease

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Key result

Higher BPV in hypertensives is linked to CV events, microvascular damage, and ~97% higher diabetes risk.

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Why the study?

Hypertensive microvascular disorder leads to substantial target organ damage, and blood pressure variability has been identified as an independent risk factor exacerbating endothelial injury.

Key Points

To systematically evaluate the classification, clinical significance, and pathogenic mechanisms of blood pressure variability (BPV) in driving microvascular damage independently of mean blood pressure.
Reviewed clinical metrics across ultra-short-term, short-term, medium-term, and long-term blood pressure variability assessment modalities.
Evaluated pathophysiological links between blood pressure fluctuations and microvascular complications across retinal, coronary, and cerebral vascular beds in hypertensive and diabetic cohorts.
Retinal microvascular degeneration correlated negatively with 24-hour diastolic blood pressure standard deviation (β = −0.707, p = 0.002), while the highest quartile of inter-visit systolic BPV increased new-onset retinopathy risk (OR = 1.171, 95% CI: 1.129–1.214, p < 0.001).
Long-term systolic blood pressure variability predicted coronary atherosclerotic plaque progression (OR = 1.09, 95% CI: 1.02–1.17, p = 0.02) and elevated mortality risk when expressed as average real variability (aHR = 1.18, 95% CI: 1.08–1.30).
Short-term morning blood pressure surge increased stroke risk in Big Dipper hypertension (aHR = 1.14, 95% CI: 1.00–1.30), and long-term systolic BPV strongly predicted haemorrhagic stroke (HR = 1.27, 95% CI: 1.05–1.54) in a cohort of 9,958 subjects.

PICO

P

Population

Adults with hypertension at risk for microvascular complications including elderly and those with diabetes and obesity

O

Primary Outcome

Association of blood pressure variability (BPV) with microvascular complications and cardiovascular events in hypertensive populations

Limitations

High heterogeneity among studies in BPV measurement methods, temporal scales, and populations studied
Lack of large-scale prospective randomized controlled trials targeting BPV reduction for direct clinical benefit
Confounding metabolic factors in diabetic populations complicate clear causal inference
Variability in diagnostic criteria for microvascular diseases limits standardization

Implication

Blood pressure variability acts as an independent pathogenic mechanism for hypertensive microvascular complications, suggesting that maintaining BPV stability is crucial for early prevention and treatment.

Abstract

The hypertensive microvascular disorder is a significant complication that can lead to substantial target organ damages, including cognitive impairments, visual impairments, and deterioration in renal function. Recent studies have indicated that blood pressure variability (BPV) is an independent risk factor for the progression of this pathology. The present paper aims to systematically elucidate the concept, classification, and clinical significance of BPV, focusing on how it acts as a pathogenic mechanism independent of mean blood pressure to exacerbate endothelial injury and cause target organ damage. This review was conducted to evaluate the influences of multiple factors on BPV, including neurohumoral regulation, the behavioural environment and comorbidities. It also emphasises the intrinsic link between BPV and microvascular complication risk in specific populations, such as those with diabetes and obesity. In summary, it is evident that a comprehensive exploration of the underlying mechanisms of BPV is imperative for the early prevention and treatment of hypertensive microvascular diseases.

Discussion

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Cite This Study

Huang et al. (2026) conducted a review in Adults with hypertension at risk for microvascular complications including elderly and those with diabetes and obesity. Blood pressure variability is an independent risk factor exacerbating microvascular damage and cardiovascular events in hypertensive adults, with reported hazard ratios up to 1.97 for diabetes risk and odds ratio 1.171 for retinopathy risk.

synapsesocial.com/papers/698d6d695be6419ac0d52436 https://doi.org/10.3389/fcvm.2026.1759344

Topics

Hypertension management

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Research progress on the correlation between blood pressure variability and hypertensive microvascular disease

Figures

Key Points

PICO

Limitations

Implication

Abstract

Discussion

Cite This Study

Topics

Research progress on the correlation between blood pressure variability and hypertensive microvascular disease

Figures

Key Points

PICO

Limitations

Implication

Abstract

Discussion

Cite This Study

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