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12.07.2017 | original article | Ausgabe 23-24/2017

Wiener klinische Wochenschrift 23-24/2017

Value of the neutrophil-to-lymphocyte ratio in predicting left ventricular recovery in patients with peripartum cardiomyopathy

Zeitschrift:
Wiener klinische Wochenschrift > Ausgabe 23-24/2017
Autoren:
MD Ufuk Gürkan, MD Haldun Akgöz, MD Şukru Aksoy, PhD Özlem Can Gürkan, MD Altug Osken, MD Sennur Unal Dayi, MD Dilaver Oz, MD Recep Haci

Summary

Objective

The aim of this study was to assess the value of the neutrophil-to-lymphocyte ratio (NLR) in predicting left ventricular (LV) recovery in patients with peripartum cardiomyopathy (PPCM).

Methods

Patients with PPCM (n = 40), who were admitted to our tertiary reference hospital between 2007 and 2015 were retrospectively analyzed. All patients were followed-up for at least 12 months after the diagnosis. All patients had standard echocardiographic examination at baseline and the last follow-up visit. Recovery of LV function was defined as the presence of LV ejection fraction (EF) >45%. Data on blood parameters were also collected at baseline. Univariate and multivariate analysis were used to assess the significant predictive variables for persistent LV systolic dysfunction.

Results

Of the patients 21 (52.5%) did not recover LV function at the last follow-up visit (nonrecovery group), while 19 of the patients (47.5%) exhibited LV recovery (recovery group). The LV EF and fractional shortening (FS) were significantly lower in the nonrecovery group. The baseline LV end-diastolic diameter, LV end-systolic diameter (LVESD) and systolic pulmonary arterial pressure were significantly increased in the nonrecovery group. The NLR, C‑reactive protein and troponin levels were significantly higher in the nonrecovery group. In multivariate logistic regression analysis only NLR and LVESD were identified as independent predictors of persistent LV systolic dysfunction in patients with PPCM (p = 0.020 and p = 0.009 respectively).

Conclusion

Elevated NLR and increased LVESD were independent prognostic factors in predicting persistent LV dysfunction in patients with PPCM. The NLR might assist in identifying high risk patients with PPCM.

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