Complex sentence: KCI was founded in 1976 in San Antonio, Texas, USA by Dr. Jim Leininger, an emergency room physician who was concerned that patients would often survive serious physical trauma, only to develop life-threatening complications as the result of their immobility.
Split into simpler sentences: KCI was founded in 1976 in San Antonio, Texas, USA by Dr. Jim Leininger-an emergency room physician. He realized that patients would often survive serious physical trauma, only to develop life-threatening complications as the result of their immobility.