TPG-backed Surgical Care Affiliates priced its IPO at $24 per share and went public. Shares now trade on the NASDAQ under the symbol SCAI. The company plans to use the proceeds to redeem all $150 million of its 10% senior subordinated notes due 2017. Surgical Care Affiliates partners with physicians, health systems and payors to develop and implement surgery strategies across the country. TPG carved out the company from HealthSouth (NYSE: HLS) in 2007 for about $945 million.