Key result
Patients with poorly controlled hypertension exhibited a significantly higher prevalence of high vascular resistance compared to those with well-controlled blood pressure (41.1% vs. 27.7%, p=0.037).
Why the study?
Difficult-to-control blood pressure can stem from a mismatch between hypertensive haemodynamic types and drug classes, warranting investigation into haemodynamic type distribution in an outpatient setting.
Does non-invasive haemodynamic assessment using impedance cardiography identify different haemodynamic profiles between well-controlled and poorly controlled hypertensive patients?
Population
189 consecutive patients with primary hypertension at an outpatient clinic
Comparison
Well-controlled vs poorly controlled hypertension groups
Design
Prospective, observational study
Authors
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High vascular resistance links to poor control; leaves open whether impedance cardiography can guide therapy.
Cross-Sectional (n=189)
No
Does non-invasive haemodynamic assessment using impedance cardiography identify different haemodynamic profiles between well-controlled and poorly controlled hypertensive patients?
Absolute Event Rate: 41.1% vs 27.7%
p-value: p=0.037
Impedance cardiography reveals that poorly controlled hypertensive patients frequently exhibit high vascular resistance, suggesting that tailored, haemodynamic-guided antihypertensive therapy could improve blood pressure control.
Trzeciak et al. (2021) conducted a cross-sectional in Primary hypertension (n=189). Poorly controlled hypertension (BP ≥140/90 mmHg) vs. Well-controlled hypertension (BP <140/90 mmHg) was evaluated on High vascular resistance haemodynamic state (p=0.037). Patients with poorly controlled hypertension exhibited a significantly higher prevalence of high vascular resistance compared to those with well-controlled blood pressure (41.1% vs. 27.7%, p=0.037).
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