AlHijjah 6, 1433, Oct 22, 2012, SPA -- The number of sick pilgrims who underwent open-heart surgery at King Abdullah Medical City in Makkah since the beginning of the pilgrimage season this year reached 12 pilgrims from several nationalities. This was stated by director of the Center for Heart Health at King Abdullah Medical City Dr. Adel Tash who thanked Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud and the crown prince for their support for pilgrims.