“…The use of muscle flaps, especially the pectoralis major or the rectus abdominus, 17 to fill mediastinal space has also been well described in pediatric patients. 6,[18][19][20] In these reports, the sternum was debrided, re-sutured, re-wired, or left open and covered with the muscle flaps. More recently, the addition of negative pressure wound pressure therapy [21][22][23][24][25][26][27] 10 muscles as a single myocutaneous unit.…”