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[Left ventricular diastolic function parameters after PTCA and stent implantation].

C M Schannwell1, F C Schoebel, M Schmitz

  • 1Heinrich-Heine-Universität Düsseldorf Medizinische Klinik und Poliklinik B Klinik für Kardiologie, Pneumologie und Angiologie Moorenstrasse 5 40225 Düsseldorf, Germany.

Zeitschrift Fur Kardiologie
|October 27, 2001
PubMed
Summary

Stent implantation rapidly improved left ventricular diastolic function after coronary revascularisation, while standard angioplasty showed no significant short-term benefit. This suggests stents normalize coronary blood flow more quickly.

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Area of Science:

  • Cardiology
  • Cardiovascular Medicine
  • Interventional Cardiology

Background:

  • Left ventricular diastolic dysfunction is a key indicator of cardiac health.
  • Coronary revascularisation aims to restore blood flow and improve cardiac function.
  • The comparative effects of angioplasty versus stenting on diastolic function require further elucidation.

Purpose of the Study:

  • To evaluate the impact of successful coronary revascularisation on left ventricular diastolic function.
  • To compare the short-term effects of coronary angioplasty with and without stent implantation on diastolic function.

Main Methods:

  • Doppler echocardiography was used to assess diastolic function parameters in 100 patients with one-vessel disease.
  • Measurements were taken before and 48 hours after elective coronary angioplasty.

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  • Patients were grouped based on successful angioplasty (n=58) or angioplasty with stent implantation (n=39).

    • Main Results:

    • Patients receiving stents showed an early improvement in left ventricular diastolic function 48 hours post-intervention.
    • No significant short-term improvement in diastolic function was observed in patients treated with angioplasty alone.
    • Both groups were comparable in terms of demographics and baseline characteristics.

    Conclusions:

    • Stent implantation appears to normalize coronary blood flow more rapidly than conventional coronary angioplasty.
    • Early diastolic function recovery may be accelerated with the use of stents in coronary revascularisation.