PMC9558657_01
PMC9558657_02
SAP block with a linear USG probe and needle in midaxillary plane at fifth intercostal space. SAP = Serratus anterior plane, USG = Ultrasound
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F1
The fifth rib was identified and marked for the needle insertion [Figure 1].
Real-time image of SAP block. Hydro-dissection done with saline. SAP = Serratus anterior plane
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F2
The structures were identified in three planes using USG [Figure 2]. The tip of the needle was placed between the serratus anterior and external intercostal muscle (deep SAP). 1-3 mL of saline was injected to confirm the correct placement of the needle [Figure 2].
Drug spread in SAP with catheter in situ. SAP = Serratus anterior plane
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F3
On pain assessment, if NRS was >=4, 20 mL of 0.2% ropivacaine was given as bolus through SAP catheter, as shown in Figure 3.
SAP catheter in situ for drug delivery in the postoperative period. SAP = Serratus anterior plane
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F4
After final confirmation by USG, it was fixed there with precautions as shown in Figures 3 and 4.
PMC9558657_03
PMC9558657_04
Drug spread in SAP with catheter in situ. SAP = Serratus anterior plane
AER-16-172-g003.jpg
PMC9558657_04_AER-16-172-g003.jpg
F3
On pain assessment, if NRS was >=4, 20 mL of 0.2% ropivacaine was given as bolus through SAP catheter, as shown in Figure 3.
PMC9558657_05