Medical College of Wisconsin
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Hajime Iwasaki PhD, MD

Hajime Iwasaki PhD, MD profile photo picture

Associate Professor

Institution: Medical College of Wisconsin
Department: Anesthesiology

Publications (32)

  • Comparison of electromyographic recovery from rocuronium-induced neuromuscular block between the adductor pollicis and the flexor hallucis brevis muscles in pediatric patients younger than two years. (Takahashi Y, Uesaka T, Asano R, Ono S, Makino H, Iwasaki H) J Anesth 2026 Apr 09 PMID: 41954615 04/09/2026    
  • Monitoring of neuromuscular block for safe anesthesia: FAQs for proper understanding. (Suzuki T, Iwasaki H, Takagi S, Hara M, Matsuki Y, Japanese Society of Anesthesiologists Working Group for Revision of Guidelines of Monitoring for Safe Anesthesia) J Anesth 2026 Apr;40(2):173-181 PMID: 41790211 SCOPUS ID: 2-s2.0-105033965669 03/06/2026    
  • Ideal Versus Actual Body Weight for Dosage of Sugammadex in Patients With Body Mass Index Less Than 18.5: A Randomized Controlled Trial. (Sato H, Uesaka T, Suzuki T, Iwasaki H) Cureus 2026 Jan;18(1):e102536 PMID: 41777972 PMCID: PMC12951408 03/04/2026    
  • Comment on Koo et al.'s observational study. (Iwasaki H) Anaesth Crit Care Pain Med 2026 Jan;45(1):101686 PMID: 41238183 SCOPUS ID: 2-s2.0-105027565104 11/15/2025    
  • A Successful Use of Electromyography-Based Neuromuscular Monitoring in a Patient With Cerebral Palsy: A Case Report. (Uesaka T, Iwasaki H) A A Pract 2025 Oct 01;19(10):e02074 PMID: 41118604 SCOPUS ID: 2-s2.0-105019741454 10/21/2025    
  • Comparison of supramaximal currents obtained by acceleromyography and electromyography for monitoring the adductor pollicis muscle in pediatric patients. (Iwasaki H, Takahoko K, Yamagata C, Nambu Y, Suzuki A, Takada Y, Luthe SK, Makino H) J Clin Monit Comput 2025 Jun;39(3):625-630 PMID: 40085361 SCOPUS ID: 2-s2.0-105000064712 03/14/2025       1 Citation
  • Laryngospasm Treated With Intramuscular Rocuronium in a Pediatric Patient Without Intravenous Access: A Case Report. (Tabata H, Takahoko K, Luthe SK, Makino H, Iwasaki H) Cureus 2024 Mar;16(3):e56620 PMID: 38646292 PMCID: PMC11031713 04/22/2024    
  • Good clinical research practice (GCRP) in pharmacodynamic studies of neuromuscular blocking agents III: The 2023 Geneva revision. (Fuchs-Buder T, Brull SJ, Fagerlund MJ, Renew JR, Cammu G, Murphy GS, Warlé M, Vested M, Fülesdi B, Nemes R, Columb MO, Damian D, Davis PJ, Iwasaki H, Eriksson LI) Acta Anaesthesiol Scand 2023 Sep;67(8):994-1017 PMID: 37345870 SCOPUS ID: 2-s2.0-85162693630 06/22/2023       61 Citations
  • The impact of electrosurgical devices on electromyography-based neuromuscular monitoring during abdominal laparotomy: a case series. (Iwasaki H, Takahoko K, Matsui T, Takada Y, Takahashi Y, Sugawara A, Kurosawa A) J Clin Monit Comput 2023 Aug;37(4):1111-1114 PMID: 37243953 SCOPUS ID: 2-s2.0-85160275683 05/27/2023       3 Citations
  • Impact of intraoperative fluid restriction on renal outcomes in patients undergoing robotic-assisted laparoscopic prostatectomy. (Mori C, Iwasaki H, Sato I, Takahoko K, Inaba Y, Kawasaki Y, Tamaki G, Kakizaki H) J Robot Surg 2023 Oct;17(5):1989-1993 PMID: 37101057 SCOPUS ID: 2-s2.0-85153704232 04/27/2023       3 Citations
  • Fetal outcomes with and without the use of sugammadex in pregnant patients undergoing non-obstetric surgery: a multicenter retrospective study. (Noguchi S, Iwasaki H, Shiko Y, Kawasaki Y, Ishida Y, Shinomiya S, Ono Uokawa R, Mazda Y) Int J Obstet Anesth 2023 Feb;53:103620 PMID: 36634449 SCOPUS ID: 2-s2.0-85146065818 01/13/2023       8 Citations
  • Comparison of two electromyography-based neuromuscular monitors, AF-201P and TetraGraph, in rocuronium-induced neuromuscular block: A prospective comparative study. (Sato H, Iwasaki H, Doshu-Kajiura A, Katagiri S, Takagi S, Luthe SK, Suzuki T) Anaesth Crit Care Pain Med 2022 Dec;41(6):101145 PMID: 36057386 SCOPUS ID: 2-s2.0-85137288134 09/04/2022       8 Citations
  • A comparison between the adductor pollicis muscle and the abductor digiti minimi muscle using electromyography AF-201P in rocuronium-induced neuromuscular block: a prospective comparative study. (Iwasaki H, Sato H, Takagi S, Kitajima O, Luthe SK, Suzuki T) BMC Anesthesiol 2022 Apr 23;22(1):117 PMID: 35459095 PMCID: PMC9034586 SCOPUS ID: 2-s2.0-85128756943 04/24/2022       5 Citations
  • A Comparison Between the Adductor Pollicis Muscle Using TOF-Watch SX and the Abductor Digiti Minimi Muscle Using TetraGraph in Rocuronium-Induced Neuromuscular Block: A Prospective Observational Study. (Iwasaki H, Yamamoto M, Sato H, Doshu-Kajiura A, Kitajima O, Takagi S, Luthe SK, Suzuki T) Anesth Analg 2022 Aug 01;135(2):370-375 PMID: 35061641 SCOPUS ID: 2-s2.0-85134631831 01/22/2022       17 Citations
  • The Association Between Intraoperative Objective Neuromuscular Monitoring and Rocuronium Consumption During Laparoscopic Abdominal Surgery: A Single-Center Retrospective Analysis. (Takahoko K, Iwasaki H, Inaba Y, Matsuno T, Matsuno R, Luthe SK, Kanda H, Kawasaki Y) Cureus 2021 Nov;13(11):e19245 PMID: 34900450 PMCID: PMC8647774 12/14/2021    
  • Comparison of a new EMG module, AF-201P, with acceleromyography using the post-tetanic counts during rocuronium-induced deep neuromuscular block: a prospective, multicenter study. (Takagi S, Suzuki T, Nakatsuka H, Sasakawa T, Iwasaki H, Kotake Y, Nagata E, Kanmura Y) J Clin Monit Comput 2022 Oct;36(5):1347-1353 PMID: 34664189 SCOPUS ID: 2-s2.0-85117195031 10/20/2021       9 Citations
  • Plasma rocuronium concentration in cell salvage blood following cardiac surgery: a case series. (Iwasaki H, Takagi S, Kitajima O, Oshima Y, Luthe SK, Suzuki T) J Clin Monit Comput 2022 Aug;36(4):1213-1217 PMID: 34468914 SCOPUS ID: 2-s2.0-85114044583 09/02/2021       3 Citations
  • Extravascular leakage of induction doses of rocuronium: four cases in which both depth of neuromuscular block and plasma concentration of rocuronium were assessed. (Takagi S, Kijima M, Iwasaki H, Doshu-Kajiura A, Kitajima O, Suzuki T) J Clin Monit Comput 2022 Apr;36(2):587-592 PMID: 33745069 SCOPUS ID: 2-s2.0-85102876887 03/22/2021       2 Citations
  • Comparison of intrathecal morphine with continuous patient-controlled epidural anesthesia versus intrathecal morphine alone for post-cesarean section analgesia: a randomized controlled trial. (Sato I, Iwasaki H, Luthe SK, Iida T, Kanda H) BMC Anesthesiol 2020 Jun 03;20(1):138 PMID: 32493372 PMCID: PMC7268233 SCOPUS ID: 2-s2.0-85085991799 06/05/2020       13 Citations
  • Use of intraoperative neuromuscular monitor reduces the reversal dose of sugammadex: a single-center retrospective study. (Iwasaki H, Kurosawa A, Iida T, Sasakawa T, Kanda H) J Anesth 2020 Apr;34(2):276-280 PMID: 31993747 SCOPUS ID: 2-s2.0-85078442398 01/30/2020       6 Citations
  • Morphologic Evaluation of the Mitral Annulus During Displacement of the Heart in Off-Pump Coronary Artery Bypass Surgery. (Toyama Y, Kanda H, Igarashi K, Iwasaki H, Kanao-Kanda M, Iida T, Kunisawa T) J Cardiothorac Vasc Anesth 2018 Feb;32(1):334-340 PMID: 29217239 SCOPUS ID: 2-s2.0-85036650535 12/09/2017       1 Citation
  • Preparing for the unexpected: special considerations and complications after sugammadex administration. (Iwasaki H, Renew JR, Kunisawa T, Brull SJ) BMC Anesthesiol 2017 Oct 17;17(1):140 PMID: 29041919 PMCID: PMC5645926 SCOPUS ID: 2-s2.0-85031504162 10/19/2017       28 Citations
  • The use of succinylcholine after sugammadex reversal. (Asakura C, Iwasaki H) J Anesth 2016 Oct;30(5):915 PMID: 27294273 SCOPUS ID: 2-s2.0-84974777786 06/14/2016       5 Citations
  • A case series of re-establishment of neuromuscular block with rocuronium after sugammadex reversal. (Iwasaki H, Sasakawa T, Takahoko K, Takagi S, Nakatsuka H, Suzuki T, Iwasaki H) J Anesth 2016 Jun;30(3):534-7 PMID: 26951159 SCOPUS ID: 2-s2.0-84960082330 03/10/2016       13 Citations
  • Unilateral hypoglossal nerve palsy after use of the laryngeal mask airway supreme. (Takahoko K, Iwasaki H, Sasakawa T, Suzuki A, Matsumoto H, Iwasaki H) Case Rep Anesthesiol 2014;2014:369563 PMID: 25254120 PMCID: PMC4164424 09/26/2014    
  • Cannabinoid receptor type 1 antagonist, AM251, attenuates mechanical allodynia and thermal hyperalgesia after burn injury. (Ueda M, Iwasaki H, Wang S, Murata E, Poon KY, Mao J, Martyn JA) Anesthesiology 2014 Dec;121(6):1311-9 PMID: 25188001 PMCID: PMC4237656 SCOPUS ID: 2-s2.0-84914148153 09/05/2014       40 Citations
  • Prediction of optimal reversal dose of sugammadex after rocuronium administration in adult surgical patients. (Otomo S, Iwasaki H, Takahoko K, Onodera Y, Sasakawa T, Kunisawa T, Iwasaki H) Anesthesiol Res Pract 2014;2014:848051 PMID: 24672542 PMCID: PMC3942288 SCOPUS ID: 2-s2.0-84896114683 03/29/2014       6 Citations
  • Monitoring of neuromuscular blockade in one muscle group alone may not reflect recovery of total muscle function in patients with ocular myasthenia gravis. (Iwasaki H, Takahoko K, Otomo S, Sasakawa T, Kunisawa T, Iwasaki H) Can J Anaesth 2013 Dec;60(12):1222-7 PMID: 24092479 SCOPUS ID: 2-s2.0-84890507970 10/05/2013       8 Citations
  • [Evaluation of neuromuscular blockade using TOF-Watch SX in type 2 diabetes patients]. (Iwasaki H, Takahoko K, Otomo S, Sasakawa T, Kunisawa T, Iwasaki H) Masui 2013 Aug;62(8):929-34 PMID: 23984566 SCOPUS ID: 2-s2.0-84882375949 08/30/2013    
  • A temporary decrease in twitch response following reversal of rocuronium-induced neuromuscular block with a small dose of sugammadex in a pediatric patient. (Iwasaki H, Takahoko K, Otomo S, Sasakawa T, Kunisawa T, Iwasaki H) J Anesth 2014 Apr;28(2):288-90 PMID: 23963464 PMCID: PMC3983881 SCOPUS ID: 2-s2.0-84899618648 08/22/2013       11 Citations
  • [Excessive bleeding in the patients with past history of Hassab's operation]. (Iwamuro K, Nomoto H, Kitaoka Y, Iwasaki H, Fukuyama T, Koyama K, Miyao H) Masui 2011 Aug;60(8):978-81 PMID: 21861431 SCOPUS ID: 2-s2.0-80052073173 08/25/2011    
  • [Case report: a normal dose of rocuronium achieved the desired effect in a short time after the administration of sugammadex during reoperation]. (Sasakawa T, Iwasaki H, Kurosawa A, Kikuchi C, Takahata O, Iwasaki H) Masui 2011 May;60(5):621-4 PMID: 21626868 SCOPUS ID: 2-s2.0-79957496396 06/02/2011       2 Citations
    • Last update: 04/09/2026