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Fig. 1 | World Journal of Surgical Oncology

Fig. 1

From: Analgesic efficacy of an opioid-free postoperative pain management strategy versus a conventional opioid-based strategy following laparoscopic radical gastrectomy: an open-label, randomized, controlled, non-inferiority trial

Fig. 1

Trial intervention diagram. A The intervention of the C-STAPB group. B The intervention of the conventional group. (a) Bilateral transverse abdominal muscle plane catheterization. (b) Transversus abdominis plane block under ultrasound (red arrow for local anesthetic, orange arrow for the needle, blue arrow for the external oblique, yellow arrow for the internal oblique, green arrow for the transversus abdominis muscle). Abbreviations: C-STAPB, continuous subcostal transversus abdominis plane block

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World Journal of Surgical Oncology

ISSN: 1477-7819

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