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Introduction: Cold snare polypectomy (CSP) and underwater endoscopic mucosal resection (UEMR) are used for small superficial nonampullary duodenal epithelial tumors (SNADETs). This study aimed to compare the resection depth of SNADETs removed by CSP versus UEMR.
Methods: Data from SNADETs resected with CSP or UEMR between April 2018 and July 2023 at Nagoya City University Hospital were collected retrospectively.
Gharial acoustic signaling: Novel underwater pops are temporally based, context-dependent, seasonally stable, male-specific, and individually distinctive.
J Anat
March 2025
Gharial Ecology Project, Madras Crocodile Bank Trust, Mamallapuram, Tamil Nadu, India.
Gharials (Gavialis gangeticus) produce a sudden, high amplitude, pulsatile, underwater sound called a POP. In this study, gharial POPs ranged from 9 to 55 ms, and were clearly audible on land and water, at ≥500 m. POPs were only performed underwater by adult males possessing a sex-specific, cartilaginous narial excrescence, termed the ghara.
View Article and Find Full Text PDFComparison of the Efficacy of Endoscopic Continuous Perfusion Combined With Y-Shaped Incision and Microscopic Retroauricular Incision in the Treatment of Attic Cholesteatoma: A Randomized Prospective Study.
Ear Nose Throat J
January 2025
Department of Otolaryngology, Northern Jiangsu People's Hospital, Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, PR China.
This study aimed to compare the efficacy of continuous perfusion of underwater bone grinding combined with a -shaped incision versus a microscopic posterior ear incision in the treatment of attic cholesteatoma. Clinical trials were prospective studies from the Northern Jiangsu People's Hospital. Adult patients with middle ear cholesteatoma requiring ear surgery agreed to participate between September 2019 and September 2023 (age > 18).
View Article and Find Full Text PDFBackground And Aims: Underwater endoscopic mucosal resection (UEMR) has emerged as a promising alternative to conventional endoscopic mucosal resection (CEMR) for the treatment of colorectal laterally spreading tumors (LSTs). This study aimed to compare the efficacy and safety of UEMR and CEMR in managing LSTs measuring 10-30 mm.
Methods: A post hoc analysis was performed on 88 patients with 88 colorectal LSTs, who were randomly assigned to two treatment groups: 42 with CEMR and 46 with UEMR.
LocoMote: AI-driven Sensor Tags for Fine-Grained Undersea Localization and Sensing.
IEEE Sens J
May 2024
Dept. of Electrical and Computer Engineering and the Dept. of Computer Science, University of California - Los Angeles, Los Angeles, CA 90095, USA.
Long-term and fine-grained maritime localization and sensing is challenging due to sporadic connectivity, constrained power budget, limited footprint, and hostile environment. In this paper, we present the design considerations and implementation of , a rugged ultra-low-footprint undersea sensor tag with on-device AI-driven localization, online communication, and energy-harvesting capabilities. uses on-chip (< 30 kB) neural networks to track underwater objects within 3 meters with ~6 minutes of GPS outage from 9DoF inertial sensor readings.
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