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Impact of surgical ventricular reconstruction for ischemic dilated cardiomyopathy on restrictive filling pattern

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Abstract

Purpose

Little information related to the effects of surgical ventricular reconstruction on left ventricular diastolic function is available. The aims of this study were to examine the effects of surgical ventricular reconstruction on left ventricular diastolic function and assess the predictive significance of that function on clinical outcome in patients with ischemic cardiomyopathy due to broad anteroseptal myocardial infarction undergoing surgical ventricular reconstruction.

Methods

We studied 21 patients undergoing surgical ventricular reconstruction and combined surgery for ischemic cardiomyopathy with a low ejection fraction (mean ejection fraction 23% ± 6%). Doppler echocardiography was performed before and 6 ± 4 months after the operation.

Results

There were no deaths within 30 days. Of the 21 patients, 6 reached the clinical endpoint (cardiac death or hospitalization due to congestive heart failure). The Doppler-derived restrictive filling pattern—defined as the deceleration time (DcT) <140 ms and the mitral peak early/mitral late diastolic filling velocity (E/A) ratio >1.5—was significantly related to reaching the clinical endpoint (P < 0.01). Furthermore, stepwise multivariate analysis showed that a preoperative restrictive filling pattern was the only independent predictor of reaching the clinical endpoint (P < 0.005, F = 11.2).

Conclusion

In patients with ischemic cardiomyopathy undergoing surgical ventricular reconstruction and combined surgery, surgical ventricular reconstruction did not change the restrictive filling pattern, and the preoperative restrictive filling pattern was an important marker of postoperative clinical outcome.

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Authors and Affiliations

  1. Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka, 565-0871, Japan

    Yasuhiro Shudo, Goro Matsumiya, Taichi Sakaguchi, Shigeru Miyagawa, Takashi Yamauchi, Koji Takeda, Shunsuke Saito & Yoshiki Sawa

  2. Department of Cardiovascular Surgery, Japan Labor Health and Welfare Organization, Osaka Rosai Hospital, Osaka, Japan

    Kazuhiro Taniguchi

Authors
  1. Yasuhiro Shudo
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  2. Goro Matsumiya
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  3. Taichi Sakaguchi
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  4. Shigeru Miyagawa
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  5. Takashi Yamauchi
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  6. Koji Takeda
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  7. Shunsuke Saito
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  8. Kazuhiro Taniguchi
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  9. Yoshiki Sawa
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Corresponding author

Correspondence to Yoshiki Sawa.

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Shudo, Y., Matsumiya, G., Sakaguchi, T. et al. Impact of surgical ventricular reconstruction for ischemic dilated cardiomyopathy on restrictive filling pattern. Gen Thorac Cardiovasc Surg 58, 399–404 (2010). https://doi.org/10.1007/s11748-010-0597-8

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  • DOI: https://doi.org/10.1007/s11748-010-0597-8

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