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Table 2 CMR chamber quantification

From: Mitral valve prolapse morphofunctional features by cardiovascular magnetic resonance: more than just a valvular disease

  Controls
[n = 44]
MVP (all)
[n = 80]
MVP (no significant MR)
[n = 34]
“Borderline” MVP
[n = 13]
LVEDV (ml/m2) 73 [67–90] 98 [86–116]** 90 [85–101]** 83 [74–89]
LVESV (ml/m2) 30 [25–34] 39 [31–445** 37 [30–44]* 35 [32–37]
LVEF (%) 61 [57–65] 60 [57–66] 60 [57–64] 59 [56–62]
LV mass (g/ m2) 51 [42–59] 54 [46–65] 48 [43–59] 47 [41–54]
LV end-diastolic diameter (cm/ m2) 2.6 [2.3–2.8] 2.8 [2.5–3.2]** 2.7 [2.5–3.2]* 2.8 [2.5–2.9]*
LV end-systolic diameter (cm/ m2) 1.7 [1.5–2.0] 1.9 [1.7–2.2]* 1.9 [1.8–2.1]* 1.9 [1.8–2.1]
Basal inferolateral thickness in diastole (cm) 0.7 [0.6–0.9] 0.8 [0.7–1.0]* 0.7 [0.6–0.9] 0.7 [0.6–0.7]
Basal inferolateral thickness in systole (cm) 1.2 [1.1–1.4] 1.5 [1.3–1.7]** 1.5 [1.3–1.6]** 1.3 [1.2–1.4]
Mid inferolateral thickness in diastole (cm) 0.6 [0.5–0.8] 0.6 [0.5–0.7] 0.6 [0.4–0.7]* 0.4 [0.3–0.5]**
Mid inferolateral thickness in systole (cm) 1 [0.9–1.2] 1 [0.8–1.2] 1 [0.7–1.2] 0.7 [0.6–0.8]**
Basal-to-mid inferolateral end-diastolic thickness ratio 1.1 [1–1.3] 1.4 [1.1–1.7]** 1.4 [1–1.6]* 1.7 [1.3–1.7]**
Basal-to-mid inferolateral end-systolic thickness ratio 1.2 [1–1.4] 1.5 [1.2–1.7]** 1.6 [1.3–1.8]** 1.9 [1.8–2.0]**
RVEDV (ml/ m2) 76 [69–86] 85 [75–104]* 85 [81–101]* 74 [63–99]
RVESV (ml/m2) 33 [28–38] 36 [28–47] 37 [28–48] 37 [27–42]
RVEF (%) 57 [55–62] 59 [53–65] 59 [53–63] 56 [51–60]
LA volume (ml/ m2) 38 [30–43] 50 [40–67]** 41 [34–49] 50 [36–59]*
Mitral valve regurgitant fraction (%) 4 [0–6] 20 [11–32]* 9 [1–13] N/A
LGE performed 44 (100%) 70 (85%) 25 (74%) 11 (85%)
Myocardial LGE 2 (5%) 23 (33%)** 8 (32%)* 3 (27%)
Intramyocardial pattern 2 (5%) 16 (23%)* 4 (16%)* 3 (27%)
Inferolateral LGE 0 (0%) 22 (32%)* 8 (33%)* 2 (18%)
  1. Values expressed as n (%) or medians [interquartile range]
  2. LA left atrium. LGE late gadolinium enhancement. LV left ventricle. LVEDV left ventricle end-diastolic volume. LVEF left ventricle ejection fraction. LVESV left ventricle. N/A not applicable. RVEDV right ventricular end-diastolic volume. RVEF right ventricular ejection fraction. RVESV: right ventricular end-systolic volume. SAX short axis view
  3. *P Value < 0.05 versus controls. **P Value < 0.01 versus controls