Cardiovascular magnetic resonance imaging assessment of outcomes in acute myocardial infarction

Table 5 Cardiovascular magnetic resonance studies illustrating importance of segmental late gadolinium enhancement extent and functional recovery in acute myocardial infarction

Ref.	Year	n	LGE method	Cutoff (LGE)	Main findings	Time of CMR 1	Time of CMR 2
Khan et al[85]	2016		FWHM	50% SEE	SEE strong predictor or segmental functional improvement (AUC 0.840) and normalisation (AUC 0.887)	2 d	9 mo
Wong et al[54]	2014	45	FWHM	50% SEE	Inverse relationship between TEE and likelihood of functional recovery on WMS at 24 wk (area under curve 0.68)	8 d	13 wk
Natale et al[86]	2011	46	2SD	50% TEE	Inverse relationship TEE and likelihood of functional recovery on SWT (93% sens, 75% spec)	5 d	20 wk
Engblom et al[7]	2008	22	Manual	50% TEE	Inverse relationship between TEE and functional recovery on WMS	7 d	24 wk
Shapiro et al[87]	2007	17	Manual	50% SEE	Inverse relationship between TEE and likelihood of functional recovery on WMS at 26 wk. Odds-ratio of functional recovery 0.2 with each SEE quartile	6 d	26 wk
Kitagawa et al[88]	2007	18	2SD	50% TEE	Inverse relationship between TEE and functional recovery. 31% segments > 50% TEE still improved	5 d	39 wk
Janssen et al[89]	2006	67	Manual	50% TEE	Inverse relationship between TEE and functional recovery on WMS at 12w (51%-75%: 39% segments improved, 76%+: 21% improved)	4 d	12 wk
Motoyasu et al[90]	2004	23	2SD	50% TEE	Inverse relationship between SEE and functional recovery on SWT	25 d	24 wk
Beek et al[19]	2003	30	6SD	50% SEE	Inverse relationship between SEE and functional recovery on WMS	7 d	13 wk

WMS: Wall motion scoring; SWT: Systolic wall thickening; TEE: Transmural extent of enhancement; SEE: Segmental extent of enhancement; SD: Standard deviations.