Outcome prediction in sepsis: Speckle tracking echocardiography based assessment of myocardial function

Table 4 Univariate analysis of systolic dysfunction and association with 30-day and 6-month mortality

		Baseline	30-day mortality			6-month mortality
		Baseline	Survivors	Nonsurvivors	Pvalue	Survivors	Nonsurvivors	Pvalue
Strain analysis
RV free wall strain	RV dysfunction	43/60 (72%)			0.33			0.001
	• < −21	17	13	4		12	5
	• –13 to −21	31	21	10		18	13
	• > −13	12	6	6		1	11
GLS	LV dysfunction	36/52 (69%)			0.40			0.44
	• < −17	16	9	7		7	9
	• –10 to −17	25	19	6		16	9
	• > −10	11	8	3		6	5
Standard echocardiographic analysis
RV dysfunction		19/60 (32%)			0.26			0.17
Mild		12	6	6		3	9
Moderate		4	3	1		3	1
Severe		3	3	0		2	1
LV dysfunction		20/60 (33%)			0.50			0.55
Mild (EF = 45 to 55%)		8	5	3		4	4
Moderate (EF = 35 to 45%)		8	7	1		6	2
Severe (EF < 35%)		4	3	1		2	2

Data presented as n(%). Strain is a measure of myocardial deformation and is described in negative values; greater negative numbers indicate better function. EF, ejection fraction; GLS, global longitudinal strain; LV, left ventricle; RV, right ventricle.

ISSN: 1364-8535