AUTHOR=Zhang Liwen , Liu Aihong , Wang Lei , Zhang Yanping , Hu Zhaolan TITLE=Ultrasound-guided transversus abdominis plane block as an adjunctive anesthesia technique in elderly patients with combined massive ascites: a case report and literature review JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1541462 DOI=10.3389/fmed.2025.1541462 ISSN=2296-858X