PleuraFlow Shown to Enable Improved Outcomes for Cardiac Surgery Patients in New Clinical Study Results October 20, 2020 Los Angeles Biotechnology Network News Los Angeles Biotech News Comments Off on PleuraFlow Shown to Enable Improved Outcomes for Cardiac Surgery Patients in New Clinical Study Results IRVINE, Calif.–(BUSINESS WIRE)–New study results on ClearFlow’s PleuraFlow ACT system have shown improved outcomes for cardiac surgery patients.