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Comparison of bispectral index-guided endoscopic ultrasonography with continuous vs. intermittent infusion of propofol: a retrospective study in Japan
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Ayana Okamoto, Ken Kamata, Tomohiro Yamazaki, Shunsuke Omoto, Kosuke Minaga, Mamoru Takenaka, Masatoshi Kudo
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Clin Endosc 2024;57(6):814-820. Published online July 24, 2024
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DOI: https://doi.org/10.5946/ce.2024.019
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 Graphical Abstract
 Abstract
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 - Background
/Aims: This study aimed to evaluate the safety and efficacy of continuous propofol infusion for anesthesia during endoscopic ultrasonography (EUS).
Methods
A total of 427 consecutive patients who underwent EUS between May 2018 and February 2019 were enrolled in this study. The patients were divided into two propofol infusion groups: continuous (n=207) and intermittent (n=220). The following parameters were compared: (1) propofol dose, (2) respiratory and circulatory depression, (3) body movement requiring discontinuation of the examination, (4) awakening score, and (5) patient satisfaction.
Results
The median total maintenance dose of propofol was significantly higher in the continuous group than in the intermittent group (160.0 mg vs. 130.0 mg, respectively); however, the reduction in SpO2 was significantly lower in the continuous group (2.9% vs. 13.2%). Body movements occurred less frequently in the continuous group than in the intermittent group (40.1% vs. 49.5%, respectively). The rate of complete awakening was significantly higher in the continuous group than in the intermittent group. Finally, there was a significant difference in the percentage of patients who answered “absolutely yes” when asked about receiving EUS again: 52.7% in the continuous group vs. 34.3% in the intermittent group.
Conclusions
Continuous infusion resulted in stable sedation and reduced propofol-associated risks.
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Usefulness of the double-guidewire technique for endoscopic procedures in the field of biliary and pancreatic diseases
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Mamoru Takenaka, Masatoshi Kudo
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Clin Endosc 2022;55(5):605-614. Published online August 23, 2022
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DOI: https://doi.org/10.5946/ce.2022.032
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Abstract
PDFPubReaderePub
- The double-guidewire method has been increasingly used in endoscopic procedures for biliary and pancreatic diseases in recent years, including endoscopic retrograde cholangiopancreatography and endoscopic ultrasonography-related procedures. In addition, double-lumen catheters with uneven distal and proximal lumen openings have been introduced, making it possible to easily create a double-guidewire situation, and the usefulness of the double-guidewire technique using uneven double-lumen cannulas has been widely reported. Although the advantages of using two guidewires depend on the particular situation and the appropriate use of the two guidewires, deepening the knowledge of the double-guidewire method will contribute greatly to troubleshooting in daily practice. In this review, the usefulness of the double-guidewire technique is discussed with respect to two main areas: selective insertion of guidewires and devices and biliary cannulation.
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Citations
Citations to this article as recorded by  - Advancements in Research on Challenges in Selective Biliary Cannulation during Endoscopic Retrograde Cholangiopancreatography (ERCP)
天雨 张
Journal of Clinical Personalized Medicine.2024; 03(01): 100. CrossRef - Double-guidewire technique for selective biliary cannulation does not increase the rate of post-endoscopic retrograde cholangiopancreatography pancreatitis in patients with naïve papilla
Han Taek Jeong, June Hwa Bae, Ho Gak Kim, Jimin Han
Clinical Endoscopy.2024; 57(2): 226. CrossRef - Dedicated Echoendoscope for Interventional Endoscopic Ultrasound: Comparison with a Conventional Echoendoscope
Toshio Fujisawa, Shigeto Ishii, Yousuke Nakai, Hirofumi Kogure, Ko Tomishima, Yusuke Takasaki, Koichi Ito, Sho Takahashi, Akinori Suzuki, Hiroyuki Isayama
Journal of Clinical Medicine.2024; 13(10): 2840. CrossRef - INTRAOPERATIVE SIGNS OF ACUTE BILIARY PANCREATITIS
S. M. Vasyliuk, O. V. Prudnikov, V. V. Ivanyna, O. S. Tkachuk, N. M. Pavliuk, B. V. Krysa, V. M. Atamaniuk
Kharkiv Surgical School.2022; (4-5): 55. CrossRef
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Bispectral index-guided propofol sedation during endoscopic ultrasonography
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Ayana Okamoto, Ken Kamata, Takeshi Miyata, Tomoe Yoshikawa, Rei Ishikawa, Tomohiro Yamazaki, Atsushi Nakai, Shunsuke Omoto, Kosuke Minaga, Kentaro Yamao, Mamoru Takenaka, Yasutaka Chiba, Toshiharu Sakurai, Naoshi Nishida, Masayuki Kitano, Masatoshi Kudo
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Clin Endosc 2022;55(4):558-563. Published online July 12, 2022
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DOI: https://doi.org/10.5946/ce.2022.001
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Abstract
PDFPubReaderePub
- Background
/Aims: Bispectral index (BIS) monitors process and display electroencephalographic data are used to assess the depth of anesthesia. This study retrospectively evaluated the usefulness of BIS monitoring during endoscopic ultrasonography (EUS).
Methods
This study included 725 consecutive patients who underwent EUS under sedation with propofol. BIS monitoring was used in 364 patients and was not used in 361. The following parameters were evaluated: (1) median dose of propofol; (2) respiratory and circulatory depression; (3) occurrence of body movements; (4) awakening score >8 at the time; and (5) awakening score 2 hours after leaving the endoscopy room.
Results
The BIS group received a significantly lower median dose of propofol than the non-BIS group (159.2 mg vs. 167.5 mg; p=0.015) in all age groups. For patients aged ≥75 years, the reduction in heart rate was significantly lower in the BIS group than in the non-BIS group (1.2% vs. 9.1%; p=0.023). Moreover, the occurrence of body movements was markedly lower in the BIS group than in the non-BIS group (8.5% vs. 39.4%; p<0.001).
Conclusions
During EUS examination, BIS monitoring is useful for maintaining a constant depth of anesthesia, especially in patients 75 years of age or older.
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Citations
Citations to this article as recorded by - Propofol‐alone sedative efficacy in observational biliopancreatic endoscopic ultrasound
Hisaki Kato, Yuki Kawasaki, Kazuya Sumi, Yuki Shibata, Norihiro Nomura, Jun Ushio, Junichi Eguchi, Takayoshi Ito, Haruhiro Inoue
DEN Open.2025;[Epub] CrossRef - General anesthesia and/or deep hypnotic state in propofol-based conscious sedation for endoscopy
Halim Bou Daher, Ali El Mokahal, Mohamad Ali Ibrahim, Rana Yamout, Nour Hochaimi, Chakib Ayoub, Yasser H. Shaib, Ala I. Sharara
iGIE.2024; 3(2): 286. CrossRef - EEG bispectral index sensor guidance improves accuracy and safety of procedural sedation
A. Oh, N. Karim, A. Pitt, S. Hodgetts, D.W. Edwards, D. Mullan, H-U. Laasch
Clinical Radiology.2024; 79(12): e1490. CrossRef - Comparison of bispectral index-guided endoscopic ultrasonography with continuous vs. intermittent infusion of propofol: a retrospective study in Japan
Ayana Okamoto, Ken Kamata, Tomohiro Yamazaki, Shunsuke Omoto, Kosuke Minaga, Mamoru Takenaka, Masatoshi Kudo
Clinical Endoscopy.2024; 57(6): 814. CrossRef - Advances in Analgosedation and Periprocedural Care for Gastrointestinal Endoscopy
Sonja Skiljic, Dino Budrovac, Ana Cicvaric, Nenad Neskovic, Slavica Kvolik
Life.2023; 13(2): 473. CrossRef - Clinical and economic value of bispectral index monitoring for adequate endoscopic sedation
Se Woo Park
Clinical Endoscopy.2022; 55(4): 518. CrossRef - Respiratory Failure during BIS-Guided Sedation in a Patient with Relapsing Polychondritis: A Case Report
Jaesang Lee, Hosik Moon, Sungjin Hong, Jinyoung Chon, Hyejin Kwon, Hunwoo Park, Jiyung Lee
Medicina.2022; 59(1): 65. CrossRef
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Endoscopic Ultrasound Fine-Needle Biopsy May Contribute to the Diagnosis of Malignant Lymph Nodes
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Mamoru Takenaka, Shunsuke Omoto, Masatoshi Kudo
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Clin Endosc 2020;53(5):508-509. Published online September 24, 2020
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DOI: https://doi.org/10.5946/ce.2020.199
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Citations
Citations to this article as recorded by - The “echo-free space” technique: A safe and reliable method for endoscopic ultrasound scope insertion into the esophagus
Shunsuke Omoto, Mamoru Takenaka, Kota Takashima, Yoriaki Komeda, Masatoshi Kudo
Endoscopy.2024; 56(S 01): E500. CrossRef - The “echo-free space” technique: a safe and reliable method for endoscopic ultrasound scope insertion
Shunsuke Omoto, Mamoru Takenaka, Tomohiro Fukunaga, Kota Takashima, Yoriaki Komeda, Seok Jeong, Masatoshi Kudo
Endoscopy.2023; 55(S 01): E698. CrossRef
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