Ultrasound-guided transversus thoracic muscle plane block: Complication in 299 consecutive cases

It has been reported that a transversus thoracic muscle plane (TTP) block can block multiple anterior branches of the intercostal nerves (Th2 to 6), which dominate the internal mammary region [1,2,3,4,5]. Some complications such as hematoma, infection, and pneumothorax may occur after a TTP block. In the present study, we reported the incidence of these complications in patients who received an ultrasound-guided TTP block. This study was approved by the Showa University Hospital Institutional Review Board (approval number 2234) and was registered at the University Hospital Medical Information Network (UMIN ID number UMIN000026296).

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