Femoral Artery Sclerosis Evaluation by Tissue Doppler in Patients with Hypertension

Xianghong Lei1, Juan Liu1

  • 1Department of Ultrasonography, Tianjin Union Medical Center (Tianjin People's Hospital), Tianjin, China (mainland).

Insights

Tissue Doppler imaging (TDI) effectively detects early femoral artery sclerosis in hypertensive patients. This method identifies arterial changes before intima-media thickness (IMT) alterations become apparent, aiding in early diagnosis.

Area of Science:

  • Cardiovascular Imaging
  • Vascular Ultrasound
  • Hypertension Research

Background:

  • Hypertension is a significant risk factor for cardiovascular disease.
  • Early detection of vascular changes in hypertensive patients is crucial for intervention.
  • Femoral artery intima-media thickness (IMT) is a marker of atherosclerosis.

Purpose of the Study:

  • To evaluate the efficacy of tissue Doppler imaging (TDI) in detecting early femoral artery sclerosis in hypertensive patients.
  • To compare TDI parameters with femoral artery IMT measurements.
  • To assess TDI's potential as an early diagnostic tool for femoral artery disease.

Main Methods:

  • One hundred hypertensive patients were divided into two groups based on femoral artery IMT (≥1.0 mm and <1.0 mm).
  • Fifty healthy individuals served as controls.
  • High-frequency ultrasound and pulsed wave TDI were used to examine femoral artery wall structure, IMT, and posterior wall motion, obtaining first (T1) and second (T2) peak durations.

Main Results:

  • Significant differences in femoral artery IMT were observed between the groups (P<0.05).
  • No significant difference in T1 peak duration was found across the groups (P=0.158).
  • A statistically significant difference in T2 peak duration was noted between hypertensive patients and controls (F=50.411, P=0.000), with higher values in hypertensive groups.

Conclusions:

  • TDI, specifically the second peak duration (T2), serves as an effective index for identifying early femoral artery sclerosis.
  • TDI can detect arterial changes prior to significant alterations in femoral artery IMT.
  • TDI shows promise as a valuable tool for the early diagnosis of atherosclerosis in hypertensive individuals.

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