- Changes in cerebral and somatic oxygenation during stage 1 palliation of hypoplastic left heart syndrome using continuous regional cerebral perfusion. Hoffman, G.M., Stuth, E.A., Jaquiss, R.D., Vanderwal, P.L., Staudt, S.R., Troshynski, T.J., Ghanayem, N.S., Tweddell, J.S. J. Thorac. Cardiovasc. Surg. (2004)