Table 1

Clinical and haemodynamic data

Patient		Age (years)		NYHA class		Rhythm		Valve procedures		Ees (mm Hg/ml)				Eps (mm Hg/ml)				Ea (mm Hg/ml)				Ea/Ees
Patient		Age (years)		NYHA class		Rhythm		Valve procedures		Pre	Post			Pre	Post			Pre	Post			Pre	Post
1	59	IV	AF	CS	0.43	0.87			0.484	1.052			1.02	1.04			2.36	1.20
2	66	IV	AF	MR, CS	0.38	0.68			0.225	1.021			0.91	1.12			2.43	1.64
3	46	IV	NSR	MR, CS	0.24	0.56			0.21	0.421			1.70	0.76			7.00	1.35
4	38	IV	NSR	CS	0.70	2.05			0.701	2.432			1.25	1.38			1.78	0.67
5	47	IV	NSR	TA, MVR	0.20	1.88			0.807	2.939			0.58	0.73			2.88	0.39
6	56	IV	NSR	TA, MR, CS	0.72	2.43			1.26	3.138			2.18	0.78			3.02	0.32
7	50	III	NSR	MR, CS	0.48	1.79			0.536	1.879			1.40	0.91			2.91	0.51
8	62	IV	AF	TA, MR, CS	0.40	0.89			0.41	0.721			0.93	1.62			2.34	1.82
9	56	IV	AF	TA, MR, CS	1.03	1.50			1.141	1.782			1.38	1.85			1.34	1.24
10	58	III	AF	TA, MVR	0.84	1.86			0.404	1.888			1.46	1.24			1.72	0.67
11	41	IV	NSR	TA, MVR	0.24	1.69			0.195	1.771			1.94	2.21			7.96	1.31
Mean	53				0.52^†	1.47^§			0.58^†	1.73^1-150 ^§			1.34	1.24			3.25^†	1.01^1-150 ^1-152
SD	9				0.27	0.62		0.36	0.88		0.47	0.49		2.17	0.52
Controls
Mean (SD)	52 (7)				3.27 (2.29)			4.04 (2.65)			1.16 (0.37)			0.52 (0.32)

↵1-150 p ⩽ 0.05, ^†p ⩽ 0.01 versus control;
↵1-152 p ⩽ 0.05, ^§p ⩽ 0.001 versus pre. AF, atrial fibrillation; CS, coaptation stitch across the mitral valve; Ea, arterial elastance (mm Hg/ml); Ea/Ees, ventriculoarterial coupling; Ees, first end systolic elastance estimate; Eps, second end systolic elastance estimate; MR, mitral valve repair; MVR, mitral valve replacement; NSR, normal sinus rhythm; NYHA, New York Heart Association; TA, tricuspid annnuloplasty.