H2 antagonists, proton pump inhibitors and COVID-19 Kazuyoshi Hirota Editorial 24 January 2022 Pages: 329 - 331
What changes occurred in patients with chronic pain in the early phase of the COVID-19 pandemic? Satoshi Tanaka Editorial 02 February 2022 Pages: 332 - 334
Paths of thoracic epidural catheters in children undergoing the Nuss procedure for pectus excavatum repair Kanna NakamuraAyanori SugitaMasakazu Hayashida Original Article Open access 04 March 2022 Pages: 335 - 340
Postoperative delirium is an independent factor influencing the length of stay of elderly patients in the intensive care unit and in hospital Andrea KirfelVera GuttenthalerMaria Wittmann Original Article Open access 19 February 2022 Pages: 341 - 348
Epidemiology of constipation in critically ill patients and its impact on in-hospital mortality: a retrospective observational study Takuo YoshidaShigehiko UchinoYusuke Sasabuchi Original Article 21 February 2022 Pages: 349 - 358
Cost-effectiveness analysis of sedation and general anesthesia regimens for children undergoing magnetic resonance imaging in Japan Soichiro ObaraYoshinori NakataKazue Yamaoka Original Article 03 March 2022 Pages: 359 - 366
The frequency of postoperative BNP measurement and intervention threshold of BNP concentration in pediatric cardiac intensive care unit: a prospective multicenter observational study Tomoyuki KanazawaKazuyoshi ShimizuTatsuo Iwasaki Original Article 10 March 2022 Pages: 367 - 373
Continuing versus withholding angiotensin receptor blocker (ARB)/calcium channel blocker (CCB) combination tablets during perioperative periods in patients undergoing minor surgery: a single-blinded randomized controlled trial Kazuyo TakeuchiMasakazu HayashidaKeisuke Yamaguchi Original Article Open access 05 March 2022 Pages: 374 - 382
Comparison of three obturator nerve block techniques for injectate spread into the obturator canal: a randomized controlled trial Tetsuya UchinoMasahiro MiuraTakaaki Kitano Original Article Open access 19 March 2022 Pages: 383 - 389
Incidence of intraoperative anaphylaxis caused by blood products: a 12-year single-center, retrospective study Yasuhiro AmanoTakahiro TamuraKimitoshi Nishiwaki Original Article 13 April 2022 Pages: 390 - 398
Recognized and unrecognized dural punctures in 12,981 labor epidurals: an audit of management Victoria A. EleyWally AbeypalaAdrian Chin Original Article Open access 27 April 2022 Pages: 399 - 404
Evaluation of contrast-enhanced ultrasonography with Sonazoid® in visualization of local anesthetic distribution in rectus sheath block: a prospective, clinical study Eiko OnishiKazutomo SaitoMasanori Yamauchi Original Article 26 April 2022 Pages: 405 - 412
Dural puncture epidural versus conventional epidural analgesia for labor: a systematic review and meta-analysis of randomized controlled studies Haiying YinXin TongHan Huang Review Article 21 April 2022 Pages: 413 - 427
Venoarterial extracorporeal membrane oxygenation for septic cardiomyopathy caused by Pasteurella multocida infection: a case report Ai NagaiTakeshi AdachiMasayasu Arai Clinical Report 23 March 2022 Pages: 428 - 431
Cefepime-induced encephalopathy in a COVID-19 patient: a case report Tomoyuki NakamuraTomoaki YatabeOsamu Nishida Clinical Report 29 April 2022 Pages: 432 - 435
Effects of anesthetics on expression of dopamine and acetylcholine receptors in the rat brain in vivo Keisuke YoshidaMasahiro MurakawaAtsuyuki Hosono Short Communication 09 February 2022 Pages: 436 - 440
Genesis of “negative pressure” during hanging drop; the answer is positive pressure Masayuki Miyabe Short Communication 07 April 2022 Pages: 441 - 443
Density spectral array as an additional sedative indicator Yi-Wei NiPo-Nien ChenJockey Tse Letter to the Editor 11 April 2022 Pages: 444 - 444
The relationship between EMG and processed EEG Kazuhiro ShirozuKen Yamaura Letter to the Editor 06 May 2022 Pages: 445 - 446
Comparing analgesic efficacy of different block modalities Yu-Jing YuanXin LuoFu-Shan Xue Letter to the Editor 10 April 2022 Pages: 447 - 448
Correction to: Optimal length of the pre-inserted tracheal tube for excellent view in nasal fiberoptic intubation Jiwon LeeJung-Man LeeHyun Jeong Kim Correction 30 April 2022 Pages: 451 - 451