Sternotomy PIFB Block in Open Heart Surgery

The US probe will be placed at sagittal plane, 2 cm lateral to the midline of the sternum to identify the second to the fifth costal cartilage from the ribs. Consequently, the US probe will be positioned in the space between the fourth and fifth costal cartilages at the sternum. After identifying the fascial planes of the chest wall, the pectoralis major muscle (PMM), the external intercostal muscle (EIM), the costal cartilage, the pleura, and the lungs. A sterile 22G blunt Stimuplex, 50 mm needle (B. Braun, Bethlehem, Pa) will be advanced and placed under the PMM and above the EIM. Following negative aspiration, PN solution with investigational product according to group randomization/allocation will be injected at each side in 5 mL aliquots ensuring appropriate spread of the PN solution. The separation of the fascial plane and the spread of the drug will be observed on the ultrasound image in real time.

The US probe will be placed at sagittal plane, 2 cm lateral to the midline of the sternum to identify the second to the fifth costal cartilage from the ribs. Consequently, the US probe will be positioned in the space between the fourth and fifth costal cartilages at the sternum. After identifying the fascial planes of the chest wall, the pectoralis major muscle (PMM), the external intercostal muscle (EIM), the costal cartilage, the pleura, and the lungs. A sterile 22G blunt Stimuplex, 50 mm needle (B. Braun, Bethlehem, Pa) will be advanced and placed under the PMM and above the EIM. Following negative aspiration, PN solution with investigational product according to group randomization/allocation will be injected at each side in 5 mL aliquots ensuring appropriate spread of the PN solution. The separation of the fascial plane and the spread of the drug will be observed on the ultrasound image in real time.