CONCLUSION
Ultrasound guided PIRS block could be an effective and safe analgesic
technique to manage sternal and subxiphoid drainage pain in patients
undergoing cardiac surgery via subxiphoid approach.
Keywords: Pectoralis-Intercostal Rectus Sheath block; PIRS;
Rectus Sheath block; Parasternal block; Pectointercostal fascial plane
block; Deep sternal wound infection; Awake cardiac surgery