RCT: The analgesic efficacy of ultrasound-guided bilateral transversus thoracic muscle plane block after open-heart surgeries. 8 Apr, 2022 | 09:45h | UTC The Analgesic Efficacy of Ultrasound-Guided Bilateral Transversus Thoracic Muscle Plane Block After Open-Heart Surgeries: A Randomized Controlled Study – Journal of Pain Research