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The mean LAS RES in our study was 36.3% ± 8.4%. Normal Echo Values Below is a complete and thorough list of normal echo values. This list of normal echo values is from echopedia.org. Left Ventricle Left Ventricular Systolic Function Reference limits and values and partition values of left ventricular functionASE Women Men Reference range Mildly abnormal Moderately abnormal Severely abnormal Reference range Mildly abnormal 2019-08-31 · PARIS — Defining global longitudinal strain variance in a normal patient population may be used as a clinical decision-making tool to aid the clinician in the detection of myocardial dysfunction 2017-06-29 · Background Newer 2D strain software has a potential to assess layer-specific strain. However, normal reference values for layer-specific strain have not been established.

Because GLS normally varies with age, sex, and LV loading conditions, defining abnormal GLS is not straightforward. However, in adults, GLS 16% (sic) is abnormal, GLS >18% (sic) is normal, and GLS 16% to 18% is borderline. (Editor’s note: GLS is expressed as a negative number.) Mean LV GLS was -20.4% ± 2.2%, and mean DSR e and DSR a were 1.6 ± 0.4 s-1 and 0.8 ± 0.3 s-1, respectively. With aging, LAS RES and LAS CD showed significant decreases. Factors showing independent associations with LAS RES were age (B = -0.425, p < 0.001), DSR e (B = 4.706, p = 0.001), and LV GLS (B Reported normal values of GLS varied from −15.9% to −22.1% (mean, −19.7%; 95% CI, −20.4% to −18.9%). Normal global circumferential strain varied from −20.9% to −27.8% (mean, −23.3%; 95% CI, −24.6% to −22.1%).

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Global longitudinal strain (GLS), a comprehensive parameter of left ventricular (LV) systolic function, obtainable by 2D speckle-tracking echocardiography,hasgainedgrowingimportanceintheclinicalprac-tice.GLS results impairedin early, subclinicalstages ofthe majority of cardiac diseases, when LV ejection fraction (EF) is still normal.1,2 GLS In a large meta-analysis including more than 2500 healthy volunteers (mean age 47±11 years, 51% male), the normal values of LV GLS ranged from –15.9% to –22.1% (mean 19.7%, 95% CI −20.4% to −18.9%). 7 Although all were healthy individuals, clinical characteristics (eg, age, gender, body mass index and blood pressure), as well as the vendor-specific software used for longitudinal strain analysis, may explain the variation in LV GLS. (GLS of perturbed data + GLS of reference data) / 2 [%] 15.00 10.00 5.00 0.00-5.00-10.00-15.00-26.00 -20.00 -15.00 -10.00 -4.00 GLS of perturbed data GLS of reference data [%]-4.00-6.00-8.00-10.00-12.00-14.00-16.00-18.00-20.00-22.00-24.00-26.00 GLS of perturbed data [%] GLS of reference data [%]-26.00 -20.00 -10.00 -4.00 Global longitudinal strain (GLS) is the most studied among strain parameters and its prognostic value has been demonstrated in several clinical scenarios. GLS was widely adapted by cardio-oncology and some studies showed that less negative GLS values at completion of chemotherapy predicted future LV dysfunction, despite normal LVEF.

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With aging, LAS RES and LAS CD showed significant decreases. Factors showing independent associations with LAS RES were age (B = -0.425, p < 0.001), DSR e (B = 4.706, p = 0.001), and LV GLS (B Reported normal values of GLS varied from −15.9% to −22.1% (mean, −19.7%; 95% CI, −20.4% to −18.9%).

We considered normal value of GLS − 19.7% based on previously reported values for GE Medical System [16]. What is Normal? Global Longitudinal Strain GLS: -15.7 to -21.1%, mean -19.7% N = 2,597 Yingchoncharoen…Marwick et al.
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The corrected r-values for 2D GLS and 3D GLS were 0.88 (95% CI: 0.80, 0.98) and 0.61 (95% CI: 0.19, 1.04), respectively. Diagnostic accuracy of STE The data extracted from the selected studies are GLS Normal Values According to a meta-analysis GLS values changed from -15.9% to -22.1% (11) but a value above -20%±2%SD is generally accepted as normal (12). Smiseth et al. proposed that a GLS value >-12% (less negative values) indicates severe systolic dysfunction or adverse prognosis; whereas a value > -15–16% indicates risk in patients with preserved LVEF.

There was significant between-study heterogeneity and inconsistency. The source of variation was sought between studies using meta-regression.
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The following procedures take place: Status in ms min.