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Moving forward on the pathway of cell-based therapies in ischemic heart disease and heart failure - time for new recommendations?

ABSTRACT: Although substantial advances have been made in treating ischemic heart disease and subsequent heart failure, the overall morbidity and mortality from these conditions remain high. Stem cell-based therapy has emerged as a promising approach for prompting cardiac rejuvenation. Various cell types have been tested in the clinical arena, proving consistent safety results. As for efficiency outcomes, contradictory findings have been reported, partly due to inconsistency in study protocols but also due to poor survival, engraftment and differentiation of transplanted cells in the hostile milieu of the ischemic host tissue. Studies have varied in terms of route of delivery, type and dose of implanted stem cells, patient selection and randomization, and assessment of therapeutic effect. Founded on the main achievements and challenges within almost 20 years of research, a number of official documents have been published by leading experts in the field. Core recommendations have focused on developing and optimizing effective strategies to enrich cell retention and their regenerative potential. Issued consensus and position papers have stemmed from an unmet need to provide a harmonized framework for future research, resulting in improved therapeutic application of cell-based therapies for cardiac regeneration and repair.

SUBMITTER: Micheu MM

PROVIDER: S-EPMC6716081 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Moving forward on the pathway of cell-based therapies in ischemic heart disease and heart failure - time for new recommendations?

Micheu Miruna Mihaela MM

World journal of stem cells 20190801 8

Although substantial advances have been made in treating ischemic heart disease and subsequent heart failure, the overall morbidity and mortality from these conditions remain high. Stem cell-based therapy has emerged as a promising approach for prompting cardiac rejuvenation. Various cell types have been tested in the clinical arena, proving consistent safety results. As for efficiency outcomes, contradictory findings have been reported, partly due to inconsistency in study protocols but also du ...[more]

PMID: 31523365

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Project description:AimsFabry disease (FD) is often associated with heart failure (HF). However, data on HF prevalence, prognosis, and applicability of echocardiographic criteria for HF diagnosis in FD remain uncertain.Methods and resultsWe evaluated patients with genetically proven FD for symptoms and natriuretic peptides indicating HF. We then analysed the diagnostic utility of the currently recommended European Society of Cardiology (ESC) echocardiographic criteria for HF diagnosis and their relationship to natriuretic peptides. Finally, we examined the association between HF and echocardiographic criteria with mortality and cardiovascular events during follow-up. Of 116 patients with FD, 48 (41%) had symptomatic HF (mean age 58 ± 11 years, 62% male). HF with preserved ejection fraction (HF-pEF) was diagnosed in 43 (91%) patients, representing the dominant phenotype. Left ventricular mass index (LVMi) had the highest diagnostic utility (sensitivity 71% and specificity 83%) for HF diagnosis in FD, followed by E/e' > 9 (sensitivity 76% and specificity 78%) and global longitudinal strain (GLS) <16% (sensitivity 54% and specificity 88%). Log N-terminal pro-brain natriuretic peptide correlated significantly with LVMi (r = 0.60), E/e' (r = 0.54), and GLS (r = 0.52) (all Ps < 0.001) but not with left ventricular ejection fraction (r = -0.034, P = 0.72). During follow-up (mean 1208 ± 444 days), patients diagnosed with HF had a higher rate of all-cause mortality and worsening HF (33% vs. 1.5%, P < 0.001). Abnormal LVMi, E/e' > 9, and GLS < 16% were all associated with higher all-cause mortality and worsening HF.ConclusionsThis study found a high prevalence of symptomatic HF in FD patients. HF-pEF was the dominant phenotype. LVMi, E/e', and GLS yielded the highest diagnostic utility for HF diagnosis and were significantly correlated with natriuretic peptides levels. Echocardiographic criteria proposed by current ESC HF guidelines apply to Fabry patients and predict cardiovascular events. At follow-up, Fabry patients with HF diagnosis had high event rates and significantly worse prognosis than patients without HF.

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Moving forward on the pathway of cell-based therapies in ischemic heart disease and heart failure - time for new recommendations?

Publications

Moving forward on the pathway of cell-based therapies in ischemic heart disease and heart failure - time for new recommendations?

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