Table 1.

Mitral insufficiency quantification: selected validation studies.14, 15, 17

First Author (Year)	CMR Method	Reference Standard: Method	n	r
Fujita (1994)	Velocity mapping: (LV mitral inflow–Ao outflow) RV and RF	TTE: jet area	29	RV 074 RF 097
Hundley (1995)	Velocity mapping: (LV cine and aortic phase contrast)	catheterization: RV index	23	097
	RV index and RF	RF		096
Kizibash (1998)	Velocity mapping: (LV cine and aortic phase contrast) RF	TTE:
		pulsed Doppler RV	22	092
		pulsed Doppler RF	22	082

RV: regurgitant volume; RF: regurgitant fraction; LV: left ventricle; RV: right ventricle; Ao: aortic; TTE: transthoracic echocardiography