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Evaluation of cardiac findings in mucopolysaccharidosis

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Abstract

Purpose

Mucopolysaccharidoses (MPS) are a group of rare genetic diseases and heart involvement is one of the important conflicts in most types, which may cause serious complications. We used M-Mode and two-dimensional speckle tracking echocardiography (2D-STE) to explore cardiovascular involvements in MPS patients.

Method

The present cross-sectional study investigated the frequency of cardiac involvements in MPS patients. Included participants were MPS types I, II, III, IV, and VI who underwent specialized echocardiography exams to assess valvular function, systolic and diastolic function, left ventricular ejection fraction (LVEF), and global longitudinal strain (GLS).

Results

35 patients were enrolled in this study. The total mean age of patients was 9.58 ± 5.11 years and 71.4% were male. Type IV (40%) and type III (31.4%) were the most frequent MPS. Although LVEF did not differ notably among MPS types, GLS was significantly different (p = 0.029). Mitral regurgitation was observed remarkably more in MPS type III (p = 0.001) while mitral stenosis was more common in type III (p = 0.007). There was a significant association between LVEF and GLS (β= -0.662; p = 0.025) and between LVEF and MPS type (β = 1.82; p = 0.025) when adjusted for GLS.

Conclusion

Cardiac complications are very common and are one of the most important causes of death in MPS patients. 2D-STE seems to be superior to M-Mode for detection of early and subclinical cardiac dysfunction in MPS patients.

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Acknowledgements

The authors of this manuscript appreciate Pediatric Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Metabolic Liver Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran and all people who helped in preparation of this study. We also appreciate officials and nurses of metabolic and also echocardiography departments of Imam Hossein Children Hospital.

Funding

The authors declare that no funds, grants, or other support were received during the preparation of this manuscript.

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Authors and Affiliations

Authors

Contributions

Bahar dehghan: echocardiography,wrote paper,collected data,design studyNoushin Rostampour:wrote paper,collected data,patient examination,design studyMohammad Hosseini Saryazdi:wrote paperMohammad Jokar Rizi:wrote paperNeda Mostofizadeh:collected data,design studyMahin Hashemipour:collected data,design studyMehri khoshhali: Data analysisAll authors reviewed the manuscript.

Corresponding author

Correspondence to Noushin Rostampour.

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Ethics approval

This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Isfahan University of Medical Sciences, Isfahan, Iran (Date: 7–02-2022/No. 1400.073).

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Written informed consent was obtained from the parents.

Competing interests

The authors declare no competing interests.

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Dehghan, B., Rostampour, N., Sedighi, M. et al. Evaluation of cardiac findings in mucopolysaccharidosis. Int J Cardiovasc Imaging 40, 73–78 (2024). https://doi.org/10.1007/s10554-023-02983-y

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  • DOI: https://doi.org/10.1007/s10554-023-02983-y

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