Sodium glucose co-transporter 2 inhibitors and quality of life in patients with heart failure: a comprehensive systematic review and meta-analysis of randomized controlled trials

Link to article at PubMed

Eur Heart J Cardiovasc Pharmacother. 2023 Nov 20:pvad088. doi: 10.1093/ehjcvp/pvad088. Online ahead of print.


BACKGROUND: Sodium Glucose Co-Transporter 2 Inhibitors (SGLT2i) are one of the cornerstones of heart failure (HF) therapy. Whilst benefits in terms of HF hospitalizations and death are well established, their impact on quality-of-life (QoL) has not been systematically investigated.

OBJECTIVE: This systematic review and meta-analysis aims to evaluate the impact of SGLT2i treatment on QoL in patients with HF, by analyzing data from randomized clinical trials (RCTs).

METHODS: We identified a total of 23 RCTs that investigated the role of SGLT2i in patients with HF, irrespective of their left ventricular ejection fraction (LVEF). RCTs that used Kansas City Cardiomyopathy Questionnaire overall summary score (KCCQ-OSS) to assess QoL and had a minimum follow-up of 3 months were included. The difference in mean change of the KCCQ-OSS between the SGLT2i group and the standard of care (SOC) group at 3 and 6 months from baseline was considered as the outcome measure.

FINDINGS: Fourteen RCTs (21 737 patients) were included in the analysis. A significant improvement in KCCQ-OSS over time (p < 0.001) was observed in both patients receiving SOC and those receiving SGLT2i in addition. The pooled estimate showed a significant improvement of 1.94 points (95% CI, 1.41-2.46) in KCCQ-OSS mean change at 3 months and of 2.18 points (95% CI, 1.13-3.24) at 6 months from baseline, with SGLT2i compared to SOC alone, irrespective of LVEF. A greater improvement in KCCQ-OSS was observed among patients with a recent episode of worsening HF compared to those with chronic stable HF.

CONCLUSIONS: Among patients with HF, irrespective of their LVEF and clinical status, the addition of SGLT2i to SOC demonstrated a significant improvement in quality of life as early as at 3-month follow-up.

PMID:37985675 | DOI:10.1093/ehjcvp/pvad088

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