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Table 2 2D echocardiographic RA volume and function between HCM patients and normal subjects (mean ± SD)

From: Right atrial function assessed by volume-derived values and speckle tracking echocardiography in patients with hypertrophic cardiomyopathy

Variable Values P Value
HCM(32) Normal(34)
RAVmax (ml) 34.19 ± 9.16 36.44 ± 7.70 0.282
RAVpre (ml) 22.94 ± 8.87 22.26 ± 5.01 0.704
RAVmin (ml) 13.66 ± 6.87 12.09 ± 4.11 0.261
Total RAEV (ml) 20.53 ± 5.14 24.35 ± 5.96 0.007
Passive RAEV (ml) 11.25 ± 4.54 14.18 ± 4.48 0.001
Active RAEV (ml) 9.28 ± 3.52 10.18 ± 3.01 0.270
Total RAEF(%) 61.15 ± 11.04 66.87 ± 9.06 0.024
Passive RAEF(%) 33.84 ± 13.06 38.68 ± 8.09 0.073
Active RAEF(%) 41.46 ± 10.31 46.29 ± 11.14 0.075
RA expansion index(%) 178.04 ± 78.18 224.25 ± 90.91 0.031
  1. Abbreviations: RAVmax maximum RA volume, RAVpre precontraction RA volume, RAVmin minimum RA volume; Total RAEV total RA emptying volume, Active RAEV active RA emptying volume, Passive RAEV passive RA emptying volume; Total RAEF total RA emptying fraction; Active RAEF active RA emptying fraction, Passive RAEF passive RA emptying fraction