Table 2 Dimensional and functional echocardiographic parameters of the right heart in septic shock
From: Right heart in septic shock: prospective observational study
Dimensional and functional indices of right heart, mean ± SD | Normal non-indexed population reference limits [15] | Total septic shock (N = 88) | Septic shock | P value | 95 % CI of the difference | |
|---|---|---|---|---|---|---|
Survivor | Non-survivor | |||||
(n = 36) | (n = 52) | |||||
Chamber dimensions | ||||||
RV basal diameter, mm | ≤42 | 33.12 ± 6.66 | 32.26 ± 5.03 | 33.75 ± 7.61 | 0.41 | −03.00 to +01.30 |
RV SC WT, mm | ≤5 | 6.85 ± 1.56 | 6.71 ± 1.77 | 6.95 ± 1.42 | 0.96 | −00.80 to +00.75 |
RVOT-PSAX distal diameter, mm | ≤27 | 23.77 ± 4.61 | 23.71 ± 3.22 | 23.82 ± 5.35 | 0.42 | −00.74 to +01.80 |
RVOT-PLAX proximal diameter, mm | ≤33 | 24.23 ± 4.98 | 23.71 ± 3.48 | 24.57 ± 5.76 | 0.82 | −01.30 to +01.60 |
RA major dimension, mm | ≤53 | 33.33 ± 8.98 | 32.67 ± 6.06 | 33.79 ± 10.57 | 0.98 | −02.70 to +02.70 |
RA minor dimensions, mm | ≤44 | 26.73 ± 8.74 | 25.97 ± 8.56 | 27.26 ± 8.91 | 0.28 | −01.10 to +03.70 |
RA end-systolic area, cm2 | ≤18 | 16.40 ± 17.05 | 20.79 ± 25.31 | 13.23 ± 4.74 | 0.80 | −06.10 to +04.70 |
Systolic functions | ||||||
TAPSE, mm | ≥16 | 23.29 ± 5.84 | 23.56 ± 4.45 | 23.10 ± 6.67 | 0.47 | −01.10 to +02.40 |
PD peak velocity at annulus, cm/s | ≥10 | 71.19 ± 22.41 | 71.50 ± 22.45 | 70.97 ± 22.62 | 0.86 | −07.00 to +05.90 |
PD-MPI | ≤0.40 | 0.81 ± 2.81 | 0.36 ± 0.08 | 1.12 ± 3.64 | 0.16 | −01.20 to +00.21 |
TD-MPI | ≤0.55 | 0.39 ± 0.13 | 0.40 ± 0.13 | 0.39 ± 0.13 | 0.33 | −00.07 to +00.20 |
FAC, % | ≥35 | 42.10 ± 8.92 | 43.25 ± 6.26 | 41.36 ± 10.26 | 0.04 | 00.08 to +06.40 |
Diastolic functions | ||||||
E/A ratio | 0.8–2.1 | 1.34 ± 0.64 | 1.21 ± 0.43 | 1.43 ± 0.75 | 0.22 | −00.30 to +00.07 |
E/E′ ratio | ≤6 | 7.75 ± 4.14 | 7.00 ± 3.67 | 8.30 ± 4.42 | 0.17 | −02.20 to +00.40 |
Deceleration time, ms | ≥120 | 164.88 ± 29.22 | 169.44 ± 26.29 | 161.60 ± 30.99 | 0.50 | −06.60 to +13.40 |