Patients with multiple myeloma (MM) can develop cardiac abnormalities, predisposing them to the development of heart failure, arrhythmias, or infarction with poor prognosis. The purpose of this study is to evaluate the prognostic potential of electrocardiographic (ECG) parameters in patients with MM.
This study retrospectively included patients with MM from January 2010 to December 2018 in the First Affiliated Hospital of Xi’an Jiao Tong University. Univariate and multivariate Cox proportional hazard models were conducted to evaluate the relationship between ECG parameters and all-cause mortality in patients with MM.
A total of 409 patients were included (mean age 61.3 ± 9.7 years, 59.2% male). The relationship between ECG parameters (including PR interval, voltage, QRS axis, QRS duration, and QTc interval) and all-cause mortality in patients with MM was evaluated. Overall, patients with QTc interval ≥ 400 ms have a significantly higher all-cause mortality compared to those with QTc interval < 400 ms (P < 0.001). When stratified by the International Staging System (ISS), this relationship was true for stages II and III (P < 0.01), but not stage I (P > 0.05). Patients with MM and QRS duration ≥ 120 ms had a higher all-cause mortality compared to those with QRS duration < 120 ms for women (P < 0.01) but not for men (P > 0.05). PR interval, voltage, and QRS axis did not predict mortality.
QTc interval was independently associated with all-cause mortality in patients with MM, especially when QTc interval was more than 400 ms in more advanced stages II and III. ECG parameters may provide prognostic potential in patients with MM and aid risk stratification of these patients.
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We thank the participants of the study.
This study was funded by the Clinical Research Program of the First Affiliated Hospital of Xi’an Jiaotong University of China (XJTU1AF-CRF-2018-015). The journal’s Rapid Service Fee was funded by the authors.
All authors contributed to drafting the manuscript, reviewing the manuscript content critically, and designing and implementation of the research. All named authors meet the International Committee of Medical Journal Editors (ICMJE) criteria for authorship for this article, take responsibility for the integrity of the work as a whole, and have given their approval for this version to be published.
Jie Wang, Jiaqi An, Gary Tse, Pengcheng He, Haibo Liu, Aifeng Zhang, Guoliang Li, Yongxin Li, Chaofeng Sun and Yang Yan have nothing to disclose.
Compliance with Ethics Guidelines
This study analysis was conducted in accordance with the 1964 declaration of Helsinki and its later amendments and was approved by the Ethic Committee of the First Affiliated Hospital of Xi’an Jiao Tong University. Informed consent with consent to use clinical data for research purposes was obtained from all patients or relatives.
The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
To view digital features for this article go to https://doi.org/10.6084/m9.figshare.12090981.
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Wang, J., An, J., Tse, G. et al. Prognostic Potential of Electrocardiographic Parameters in Patients with Multiple Myeloma: A Retrospective Analysis of the Multiple Myeloma Population. Adv Ther 37, 2946–2955 (2020). https://doi.org/10.1007/s12325-020-01343-9
- Multiple myeloma
- QTc interval