Prognostic value of left ventricular global longitudinal strain in mitral regurgitation: a systematic review

Hiroki Ueyama, Toshiki Kuno, Hisato Takagi, Parasuram Krishnamoorthy, Francesca Romana Prandi, Alberto Palazzuoli, Samin K. Sharma, Annapoorna Kini, Stamatios Lerakis

Research output: Contribution to journalReview articlepeer-review

2 Scopus citations


Conventional echocardiographic assessment may overestimate the left ventricular (LV) function in mitral regurgitation (MR). LV global longitudinal strain (GLS) is more sensitive marker to detect subclinical LV dysfunction. Multiple studies have investigated the prognostic value of LV-GLS in MR to examine its potential to determine the timing and indication of intervention. This systematic review aimed to assess the prognostic value of LV-GLS in patients with mitral regurgitation (MR) to define its clinical applicability. PUBMED and EMBASE were queried through July 2021 to identify studies investigating the prognostic value of LV-GLS in MR. A total of 24 observational studies with 5267 patients were identified. Sixteen studies investigated for primary MR, 7 studies for secondary MR, and 1 study for both. Most studies included patients who underwent intervention. There was significant heterogeneity in patient population, intervention status, follow-up period, LV-GLS cutoff value, outcomes, and statistical methods among the studies. Meta-analysis was not performed considering the significant variability. With exception to 1 study, all studies demonstrated significant association between impaired LV-GLS and worse clinical and echocardiographic outcomes in primary MR. Prognostic value of LV-GLS in secondary MR was less certain due to inconsistent findings and limited reporting. LV-GLS is a promising parameter of prognostication in primary MR and can be considered as alternative to determine the timing of intervention. However, the optimal cutoff value remains unclear. The prognostic value of LV-GLS in secondary MR is less clear. Further large-scale prospective study is warranted before its routine clinical application.

Original languageEnglish
Pages (from-to)465-483
Number of pages19
JournalHeart Failure Reviews
Issue number2
StatePublished - Mar 2023


  • Global longitudinal strain
  • Primary mitral regurgitation
  • Secondary mitral regurgitation
  • Surgical intervention


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