Minimally Invasive Mitral Valve Surgery: A Systematic Review

Table 1

Most recent observational cohort studies of minimally invasive mitral valve surgery.

Authors	Year	Minimally invasive; (number of patients)	Minithoracotomy; (number of patients)	Approach	Valve	Differences
Cohn et al. [8]	1997	50	50	PS, UHS	MV, AV	Longer CBP/XT times in MI group
Navia and Cosgrove [9]	1996	31	100	MT	MV	Longer CBP/XT times, less transfusion, reduced CVA, shorter; ICU/hospital stays in MI group
Glower et al. [31]	1998	21	20	MT	MV	Longer CBP/XT times, shorter return to normal activity time n MI group
Reichenspurner et al. [32]	1998	100	100	MT	MV	Reduced AF in MI group
Asher et al. [33]	1999	100	100	—	MV, AV	Longer CBP/XT times, shorter hospital stays in MI group
Grossi et al. [34]	1999	111	259	MT	MV, AV	Lower sepsis/wound complications, shorter hospital stays in MI group
Walther et al. [35]	1999	129	209	MT	MV, AV	Lower pain levels
Schneider et al. [36]	2000	21	13	MV	MT	Longer CPB time
Hamano et al. [37]	2001	21	27	PS, UHS, LHS	MV, AV	No differences
Grossi et al. [38]	2001	100	100	MT	MV	No differences
Grossi et al. [39]	2001	109	88	MT	MV, AV	Longer CBP/XT times, shorter hospital stays in MI group
Felger et al. [30]	2001	127	100	MT	MV	With AESOP shorter hospital stay time compared to ST group, shorter XC times compared to manually directed videoscope
Yamada et al. [40]	2003	66	50	LHS	MV, AV	Longer CBP/XT times in MI group
McCreath et al. [41]	2003	214	87	MT	MV	Reduced acute renal deseas in MI group
de Vaumas et al. [42]	2003	10	10	PS	MV	Longer CBP/XT times in PS group
Gaudiani et al. [43]	2004	205	616	UHS, LHS, MT	MV	Shorter hospital stay in MI repair group, less CVA in MI replacement group
Mihaljevic et al. [44]	2004	474	337	LHS, PS	MV	5-year survival better for MI group
Dogan et al. [45]	2005	20	20	MT	MV	Intraoperative complications in EABO group
Ryan et al. [46]	2005	117	117	MT	MV	Longer CBP/XT times in MI group