Research Article

Early Impairment of Right Ventricular Functions in Patients with Moderate Asthma and the Role of Isovolumic Acceleration

Volume: 25 Number: 2 August 20, 2022
  • Betül Banu Karasu *
  • Hüseyin Ayhan
EN

Early Impairment of Right Ventricular Functions in Patients with Moderate Asthma and the Role of Isovolumic Acceleration

Abstract

Introduction: Asthma is a common chronic lung disease that affects people all over the world. Pulmonary hypertension and right ventricular (RV) dysfunction are possible complications that may develop in the advanced stages of asthma. However, the number of studies investigating asthma and its implications on new RV parameters are very rare. This study aims to evaluate the RV functions in patients with moderate asthma before the development of pulmonary hypertension. Patients and Methods: Forty-one patients with moderate asthma and 40 healthy individuals were enrolled in this case-control study. All participants underwent a detailed two-dimensional echocardiographic examination. RV functions were measured through RV isovolumic acceleration (IVA) index in addition to conventional parameters. RV IVA, a tissue doppler derived parameter, was calculated as the ratio between maximum isovolumic myocardial velocity during isovolumic contraction and the time interval from the onset of this wave to the time at its maximum velocity. Results: There were no significant differences between the two groups in terms of baseline clinical characteristics, laboratory findings and echocardiographic parameters measuring left ventricular functions (p> 0.05). In asthmatic patients, RV isovolumic relaxation time and RV myocardial performance index were higher (p= 0.027 and p< 0.001 respectively), while RV fractional area change, tricuspid annular plane systolic excursion (TAPSE) and RV IVA values were all lower (p< 0.001). RV IVA was found to be inversely proportional to asthma duration. TAPSE [β= 0.632, 95% CI= (0.121) - (0.225), p< 0.001] and pulmonary artery systolic pressure [β= -0.188, 95% CI= (-0.057) - (-0.003), p= 0.032] were shown as independent predictors of RV IVA. Conclusion: Asthma is an important disease that may result in subclinical RV dysfunction even before the development of pulmonary hypertension. RV IVA, an easily obtained and load-independent parameter, may be a useful and reliable index that sensitively analyzes subtle deteriorations in the contractile function of RV in asthmatic patients. RV IVA may also correlate with asthma duration.

Keywords

References

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Details

Primary Language

English

Subjects

Clinical Sciences

Journal Section

Research Article

Authors

Betül Banu Karasu * This is me
0000-0001-7084-0038
Türkiye

Hüseyin Ayhan This is me
0000-0002-9991-7307
Türkiye

Publication Date

August 20, 2022

Submission Date

November 19, 2021

Acceptance Date

May 7, 2022

Published in Issue

Year 2022 Volume: 25 Number: 2

APA
Karasu, B. B., & Ayhan, H. (2022). Early Impairment of Right Ventricular Functions in Patients with Moderate Asthma and the Role of Isovolumic Acceleration. Koşuyolu Heart Journal, 25(2), 157-164. https://izlik.org/JA26ZX45LA
AMA
1.Karasu BB, Ayhan H. Early Impairment of Right Ventricular Functions in Patients with Moderate Asthma and the Role of Isovolumic Acceleration. Koşuyolu Heart Journal. 2022;25(2):157-164. https://izlik.org/JA26ZX45LA
Chicago
Karasu, Betül Banu, and Hüseyin Ayhan. 2022. “Early Impairment of Right Ventricular Functions in Patients With Moderate Asthma and the Role of Isovolumic Acceleration”. Koşuyolu Heart Journal 25 (2): 157-64. https://izlik.org/JA26ZX45LA.
EndNote
Karasu BB, Ayhan H (August 1, 2022) Early Impairment of Right Ventricular Functions in Patients with Moderate Asthma and the Role of Isovolumic Acceleration. Koşuyolu Heart Journal 25 2 157–164.
IEEE
[1]B. B. Karasu and H. Ayhan, “Early Impairment of Right Ventricular Functions in Patients with Moderate Asthma and the Role of Isovolumic Acceleration”, Koşuyolu Heart Journal, vol. 25, no. 2, pp. 157–164, Aug. 2022, [Online]. Available: https://izlik.org/JA26ZX45LA
ISNAD
Karasu, Betül Banu - Ayhan, Hüseyin. “Early Impairment of Right Ventricular Functions in Patients With Moderate Asthma and the Role of Isovolumic Acceleration”. Koşuyolu Heart Journal 25/2 (August 1, 2022): 157-164. https://izlik.org/JA26ZX45LA.
JAMA
1.Karasu BB, Ayhan H. Early Impairment of Right Ventricular Functions in Patients with Moderate Asthma and the Role of Isovolumic Acceleration. Koşuyolu Heart Journal. 2022;25:157–164.
MLA
Karasu, Betül Banu, and Hüseyin Ayhan. “Early Impairment of Right Ventricular Functions in Patients With Moderate Asthma and the Role of Isovolumic Acceleration”. Koşuyolu Heart Journal, vol. 25, no. 2, Aug. 2022, pp. 157-64, https://izlik.org/JA26ZX45LA.
Vancouver
1.Betül Banu Karasu, Hüseyin Ayhan. Early Impairment of Right Ventricular Functions in Patients with Moderate Asthma and the Role of Isovolumic Acceleration. Koşuyolu Heart Journal [Internet]. 2022 Aug. 1;25(2):157-64. Available from: https://izlik.org/JA26ZX45LA