PLAINSBORO, N.J., May 9, 2007 (PRIME NEWSWIRE) -- Integra LifeSciences Holdings Corporation (Nasdaq:IART) today reported its financial results for the first quarter ending March 31, 2007. Total revenues in the first quarter of 2007 were $123.0 million, reflecting an increase of $45.9 million, or 60%, over the first quarter of 2006. Revenues from products acquired in 2006 were $34.7 million for the first quarter of 2007, as compared to $3.4 million in the first quarter of 2006.