CRT in Patients with Heart Failure: Time Course of Perfusion and Wall Motion Changes

Table 2

Value of scintigraphic variable obtained at baseline and at short- and medium-term of followup. T0: time 0, T1: first step of followup, T2: second step of followup. EDVi: end diastolic volume index, ESVi: end systolic volume index, SMS: summed motion score, STS: summed thickening score, SRS: summed rest score, and EF: ejection fraction.

Variables (mean)	T0	T1	T2	Difference T1-T2
EDVi	167.75	144.66∗∗∗	138.79∗∗∗	−5.87 n.s.
ESVi	133.97	112.55∗∗∗	105.41∗∗∗	−7.14 n.s.
SMS	48.91	40.42∗∗∗	38.47∗∗∗	−1.95 n.s.
STS	34.41	31.25∗∗	31.11∗∗	−0.14  n.s.
SRS	14.69	11.58∗∗	12.06∗∗	+0.48 n.s.
EF	22.27	27.38∗∗∗	28.64∗∗∗	+1.26 n.s.

∗∗P <  .05 versus T0; ∗∗∗P <  .01 versus T0; n.s.: not significant.