Research Article

Diagnostic Value of High-Sensitivity Troponin T for Subclinical Left Ventricular Systolic Dysfunction in Patients with Sepsis

Table 1

Baseline characteristics, biochemical, hemodynamic, and echocardiographic data of patients classified in relation to the presence of left ventricular systolic dysfunction.

All patients (n = 116)Patients without LVSD (n = 66)Patients with LVSD (n = 50) value

Characteristics
Age, mean (years)67.3 ± 15.965.9 ± 15.969.1 ± 16.00.280
Male, n (%)91 (78.4)54 (81.8)37 (74.0)0.311
Heart rate (bpm)103.6 ± 19.3101.3 ± 19.8106.8 ± 18.30.139
MAP (mmHg)78.0 ± 15.082.2 ± 14.872.3 ± 13.5<0.001
CVP (mmHg)7.0 ± 2.66.8 ± 2.37.4 ± 2.90.261
SOFA score8.9 ± 4.17.3 ± 3.811.0 ± 3.6<0.001
APACHE II score18.1 ± 8.114.7 ± 6.922.6 ± 7.4<0.001
Shock, n (%)83 (71.5)37 (56.0)46 (92.0)<0.001
CRRT, n (%)53 (45.7)20 (30.3)33 (66.0)<0.001
LOS in ICU (days)7.1 ± 6.36.5 ± 5.47.8 ± 7.40.289
Mechanical ventilation, n (%)92 (79.3)48 (72.7)44 (88.0)0.044
In-hospital mortality, n (%)40 (34.5)10 (14.1)30 (53.6)<0.001

Comorbidities
Hypertension, n (%)50 (43.1)27 (40.9)23 (46.0)0.583
Type 2 DM, n (%)25 (21.5)11 (16.7)14 (28.0)0.142
Stroke, n (%)14 (12.1)10 (15.1)4 (8.0)0.242
CKD, n (%)21 (18.1)8 (12.1)13 (23.6)0.055
COPD, n (%)5 (4.3)3 (4.5)2 (4.0)0.886

Laboratory data
WBC (×109/L)14.6 ± 10.114.6 ± 10.015.5 ± 10.50.994
Lactate (mmol/L)3.4 (2.0–6.9)2.7 (1.8–4.7)5.9 (2.6–8.8)<0.001
Procalcitonin (ng/mL)31.5 (6.4–98.8)16.2 (3.6–82.5)46.1 (15.0–100.0)0.440
hs-cTnT (ng/L)55 (30–153)38 (19–109)113 (48–334)0.005
hs-cTnT > 14 ng/L, n (%)100 (86.2)52 (78.8)48 (96.0)0.007

Speckle-tracking echocardiographic
LS-A4C (%)−15.4 ± 3.3−17.4 ± 2.2−12.7 ± 2.5<0.001
LS-A2C (%)−15.2 ± 3.8−17.5 ± 2.5−12.1 ± 3.0<0.001
LS-A3C (%)−15.8 ± 3.5−17.9 ± 2.3−13.1 ± 2.7<0.001
GLS (%)−15.5 ± 3.2−17.6 ± 1.8−12.6 ± 2.4<0.001

Note. Continuous data are presented as means ± SD or median (interquartile range) and categorical data as n (%). A3C, apical three-chamber view; A4C, apical four-chamber view; A2C, apical two-chamber view; APACHE II, acute physiology and chronic health evaluation; COPD, chronic obstructive pulmonary disease; CKD, chronic kidney disease; CRRT, continuous renal replacement therapy; CVP, central venous pressure; DM, diabetes mellitus; GLS, global longitudinal strain by speckle-tracking echocardiography; hs-cTnT, high-sensitivity cardiac troponin T; LS, longitudinal strain; ICU, intensive care unit; LOS, length of stay; MAP, mean arterial pressure; SOFA, sequential organ failure assessment; WBC, white blood cell;  < 0.05.