Sacubitril/Valsartan Shows Improvement of the Cardio-Ankle Vascular Index in a Hypertensive Patient

Kazuhiro Shimizu1, Tsuyoshi Tabata2, Masahiro Iwakawa1

  • 1Division of Cardiovascular Medicine, Department of Internal Medicine, Toho University Sakura Medical Center, Chiba, Japan.

Insights

This study shows that angiotensin receptor-neprilysin inhibitor (ARNI) effectively reduced arterial stiffness in a hypertensive patient. This suggests ARNI may help prevent heart failure by improving cardio-vascular interactions.

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Pharmacology

Background:

  • Hypertension is a major risk factor for cardiovascular disease.
  • Arterial stiffness, measured by cardio-ankle vascular index (CAVI), is an indicator of vascular health.
  • Traditional antihypertensive medications may not fully address arterial stiffness.

Observation:

  • A 72-year-old male patient presented with hypertension and markedly increased arterial stiffness (CAVI 13.5).
  • Initial treatment with valsartan (80 mg/day) for three months showed a minimal decrease in CAVI (to 13.0) and persistent blood pressure fluctuations.
  • Switching to angiotensin receptor-neprilysin inhibitor (ARNI) at increasing doses (up to 400 mg) led to improved CAVI, independent of immediate blood pressure readings.

Findings:

  • Angiotensin receptor-neprilysin inhibitor (ARNI) demonstrated a dose-dependent improvement in arterial stiffness (CAVI).
  • The reduction in CAVI suggests a beneficial effect of ARNI on vascular properties beyond its blood pressure-lowering effect.
  • This case highlights the potential of ARNI in managing arterial stiffness in hypertensive patients.

Implications:

  • Targeting cardio-vascular interactions with medications like ARNI may offer a novel strategy for preventing heart failure.
  • Further research into ARNI's impact on arterial stiffness and long-term cardiovascular outcomes is warranted.
  • Personalized hypertension management considering vascular parameters like CAVI could improve patient prognosis.

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