Date	Event	Description
9 September 2008	Amended	Converted to new review format.
28 February 2003	New search has been performed	Differences between this review and the previous version: one new trial (357 patients and 399 operations), comparing primary closure with venous patching (saphenous or jugular vein) and with synthetic patching, has published its early and late results (AbuRahma 1996 and 1998) and has been included in the review.