Articles

Japanese traditional herbal medicine reduces use of pregabalin and opioids for pain in patients with lumbar spinal canal stenosis: a retrospective cohort study

There has been an increase in the number of Japanese patients with lumbar spinal canal stenosis (LSCS) who complain of chronic pain or motor disturbance in the lower back or extremities. These patients are oft...

Authors: Mitsuhiko Oohata, Yuko Aoki, Michiko Miyata, Hiroki Mizobe and Kenji S. Suzuki

Anesthetic management of a hydrocephalus patient with inclusion body myositis

Inclusion body myositis (IBM) is an inflammatory muscle disease characterized by slowly progressive muscle weakness and wasting, especially affecting proximal leg and distal arm. We report a successful anesthe...

Authors: Daiki Takekawa, Hirotaka Kinoshita, Tomoyuki Kudo, Masato Kitayama, Tetsuya Kushikata and Kazuyoshi Hirota

Incidence of life-threatening respiratory events after laparoscopic colon surgery with or without continuous respiratory rate monitoring

Respiratory depression (RD) is a critical complication of general anesthesia. The present study investigated the incidence of postoperative life-threatening respiratory events after laparoscopic colon surgery ...

Authors: Hideaki Kawanishi, Junji Egawa, Satoki Inoue, Takashi Shiota and Masahiko Kawaguchi

Adhesions in the epidural space caused by frequent epidural blocks

We report a case of adhesions in the epidural space caused by more than 200 times epidural blocks that were observed with epiduroscopy. A 41-year-old man had repeatedly undergone lumbar epidural blocks to trea...

Authors: Nobuhiro Shimada, Takashi Igarashi, Kunihiko Murai, Tetsuhito Hara, Tomoko Kuramochi and Mamoru Takeuchi

Differences in heart rate variability may be related to the appearance of postoperative pain in patients undergoing breast cancer surgery

Some reports have highlighted the relationship between heart rate variability (HRV) and the degree of postoperative pain experienced. This study retrospectively examined whether differences in heart rate varia...

Authors: Shinya Uchida, Yuji Kadoi and Shigeru Saito

Perioperative risk factors for acute kidney injury after off-pump coronary artery bypass grafting: a retrospective study

Acute kidney injury (AKI) after cardiac surgery is associated with increased morbidity and mortality. Although morbidity of AKI after off-pump coronary artery bypass grafting (OPCAB) has been investigated, lit...

Authors: Yuta Kumada, Kenji Yoshitani, Yusuke Shimabara and Yoshihiko Ohnishi

Esophageal submucosal hematoma developed after endovascular surgery for unruptured cerebral aneurysm under general anesthesia: a case report

Esophageal submucosal hematoma is a rare complication after endovascular surgery. We report a case of an esophageal submucosal hematoma which may have been caused by rigorous cough during extubation.

Authors: Sachiko Ito, Shihoko Iwata, Izumi Kondo, Motoyo Iwade, Makoto Ozaki, Tatsuya Ishikawa and Takakazu Kawamata

Successful use of femoral nerve block with dexmedetomidine for fracture fixation of an intracapsular fracture of the femoral neck in a patient with severe aortic stenosis: a case report

We described a case in which femoral nerve block (FNB) and lateral femoral cutaneous nerve block (LFCNB) with dexmedetomidine (DEX) was useful for open reduction and internal fixation (ORIF) of a femoral neck ...

Authors: Yui Yamane, Takeshi Omae, Keito Kou and Sonoko Sakuraba

Effect of Goreisan, a traditional Japanese Kampo medicine, on postoperative nausea and vomiting in gynecological patients

Goreisan, a traditional Japanese Kampo medicine, may prevent postoperative nausea and vomiting (PONV). The purpose of this study was to evaluate the effect of Goreisan on PONV in a high-risk population in a ra...

Authors: Keiko Kume, Yusuke Kasuya and Makoto Ozaki

Iatrogenic carpal tunnel syndrome induced by wrist extension for placement of an indwelling radial artery catheter: a case report

A 38-year-old man with pancreatic cancer was scheduled to undergo pancreaticoduodenectomy. He had an unremarkable past medical history. After inducing general anesthesia, a left radial arterial catheter was su...

Authors: Kunitaro Watanabe, Shingo Mitsuda, Akira Motoyasu, Joho Tokumine, Kumi Moriyama and Tomoko Yorozu

Clinical anatomy of the cephalic vein for safe performance of venipuncture

The aims of this study were to elucidate why the cephalic vein provides a reliable cannulation site from a morphological viewpoint and identify an effective landmark for avoiding injury to the superficial bran...

Authors: Mitsuhiro Matsuo, Satoru Honma, Takahiro Sonomura and Mitsuaki Yamazaki

Neutrophil to lymphocyte ratio and platelet to lymphocyte ratio are superior to other inflammation-based prognostic scores in predicting the mortality of patients with gastrointestinal perforation

The neutrophil to lymphocyte ratio (NLR) is gaining interest as an independent predictor of survival in patients with various clinical conditions. No study to date has reported an association between inflammat...

Authors: Yuichiro Shimoyama, Osamu Umegaki, Tomoyuki Agui, Noriko Kadono and Toshiaki Minami

Anesthetic management of one-stage scheduled surgery for adrenal cortical carcinoma complicated by massive pulmonary tumor embolism

Authors: Kazuma Yunoki, Tsutomu Wada, Ikuko Miyawaki, Kazuo Yamazaki and Hiroyuki Mima

Factors affecting the early post-operative prognosis in morbidly obese surgical patients after laparoscopic sleeve gastrectomy – a retrospective cohort study

The number of morbidly obese patients who have undergone bariatric surgery has been gradually increasing in Japan. These obese patients are often complicated with metabolic, cardiac, respiratory, and other dis...

Authors: Takashi Kobayashi, Yoko Watanabe, Jun Aizawa and Kenji S. Suzuki

Conscious sedation with dexmedetomidine for implantation of a phrenic nerve stimulator in a pediatric case of late-onset congenital central hypoventilation syndrome

Patients with congenital central hypoventilation syndrome (CCHS) develop alveolar hypoventilation resulting from a failure of central ventilatory control. Late-onset CCHS (LO-CCHS), which may be precipitated b...

Authors: Keiko Hirooka, Kotoe Kamata, Shiro Horisawa, Minoru Nomura, Takaomi Taira and Makoto Ozaki

A case series of continuous paravertebral block in minimally invasive cardiac surgery

Minimally invasive cardiac surgery (MICS), via minithoracotomy, is thought to be a fast track to extubation and recovery after surgery. For this, good coverage analgesia is essential. Epidural anesthesia, a st...

Authors: Shintaro Tahara, Akito Inoue, Hajime Sakamoto, Yasuaki Tatara, Kayoko Masuda, Yoichiro Hattori, Yusaku Nozumi, Mitsumasa Miyagi and Surakshya Sigdel

Successful pulmonary embolectomy for massive pulmonary embolism during pregnancy: a case report

Pulmonary embolism (PE) resulting from venous thromboembolism is a leading cause of maternal mortality in pregnancy. In patients with massive PE and hemodynamic instability, the treatment options often conside...

Authors: Hiroki Taenaka, Chiyo Ootaki, Chie Matsuda and Yuji Fujino

Remifentanil for sedation and analgesia during awake division of tongue flap in children: a report of two cases

The tongue flap is an accepted treatment method for cleft palate repair. Orotracheal or nasotracheal intubation using a fiberoptic scope is preferred for the division of the tongue flap. We report two cases of...

Authors: Kaori K. Kuroiwa, Masaaki Nishizawa, Nami Kondo, Haruka Nakazawa and Takanobu Hirabayashi

Spinal cord infarction following epidural and general anesthesia: a case report

Epidural anesthesia is widely used for postoperative analgesia and rarely causes permanent neurological complications. We report a case of paraplegia following abdominal surgery under combined epidural/general...

Authors: Kaori Kobayashi, Noriko Narimatsu, Takafumi Oyoshi, Takashi Ikeda and Toshimitsu Tohya

A case in which a capnometer was useful for diagnosing laryngospasm following administration of sugammadex

Sugammadex has been reported to cause upper-airway obstruction, such as laryngospasm or bronchospasm. These two conditions are treated using different approaches, but the differential diagnosis is difficult.

Authors: Keito Kou, Takeshi Omae, Saiko Wakabayashi and Sonoko Sakuraba

Right ventricular functional assessment by three-dimensional transesophageal echocardiography is useful for withdrawal from a right ventricular assist device: a case report

Right ventricular assist device (RVAD) implantation is one type of surgical treatment used for right heart failure. It is important to assess right ventricular (RV) function precisely when RVAD withdrawal is c...

Authors: Hiroki Taenaka, Tatsuyuki Imada, Ryuichiro Abe, Akinori Uchiyama and Yuji Fujino

Risk factors for rescue analgesic use on the first postoperative day after upper limb surgery performed under single-injection brachial plexus block: a retrospective study of 930 cases

Postoperative pain management after upper limb surgery is important for preventing adverse events that can prolong hospital stay and cause readmission. This study aimed to identify the risk factors associated ...

Authors: Tatsunori Watanabe, Koji Moriya, Takuya Yoda, Naoto Tsubokawa, Andrey B. Petrenko and Hiroshi Baba

Factors affecting extubation time following pediatric ambulatory surgery: an analysis using electronic anesthesia records from an academic university hospital

In pediatric general anesthesia, our goal should be quicker extubation to facilitate rapid turnover in the operating room without compromising on safety and quality of anesthesia. Although many studies have fo...

Authors: Akihiro Kanaya, Norifumi Kuratani, Yoshinori Nakata and Masanori Yamauchi

Anesthetic management of a patient with narcolepsy by combination of total intravenous and regional anesthesia: a case report

Narcolepsy is a neurological disease characterized by excessive daytime sleepiness, cataplexy, and/or a sudden loss of muscle tone due to malfunction of the orexinergic system, which may cause delayed emergenc...

Authors: Daiki Takekawa, Tetsuya Kushikata, Masato Kitayama and Kazuyoshi Hirota

A case of a warfarinized renal cancer patient monitored for prothrombin time-international normalized ratio during methadone introduction

Warfarin, a widely used anticoagulant, interacts with various agents used in palliative care, such as oxycodone, morphine, acetaminophen, and non-steroidal anti-inflammatory drugs (NSAIDs); however, there are ...

Authors: Kaoru Yoshioka, Katsuya Ohmori, Soshi Iwasaki, Kazunobu Takahashi, Akemi Sato, Hiromasa Nakata, Atsushi Miyamoto and Michiaki Yamakage

Endovascular repair with extracorporeal membrane oxygenation as a rescue strategy for aortobronchial fistula: a case report

Aortobronchial fistula (ABF) is a rare and potentially lethal complication of thoracic aortic replacement surgery. Currently, thoracic endovascular aortic repair (TEVAR) has emerged as a less invasive alternat...

Authors: Kyosuke Takahashi, Misa Kajitani, Takaaki Kamada, Wataru Takayama and Yoshiro Kobayashi

Ultrasound-guided para-umbilical block: a pediatric case

Rectus sheath block is a common peripheral nerve block for patients undergoing umbilical hernia repair surgery. However, rectus sheath block alone can affect only anterior branches of intercostal nerves and, t...

Authors: Masayuki Akatsuka, Takeshi Murouchi, Johji Arakawa and Michiaki Yamakage

Schwartz–Jampel syndrome is not related to malignant hyperthermia

Schwartz–Jampel syndrome (SJS) is a rare syndrome that is clinically characterized by myotonia and skeletal abnormalities. Most reports regarding SJS have stated that patients with SJS are susceptible to malig...

Authors: Kohei Godai

A case of unexpected impaired oxygenation due to intraoperative pneumothorax: an adverse event associated with respiratory management with spontaneous respiration in a patient with esophagobronchial fistulae

Respiratory management in patients with esophagobronchial fistulae is challenging since positive pressure ventilation (PPV) may not be feasible due to air leaks and possible risks for regurgitation and aspirat...

Authors: Seiji Ishikawa, Tsubasa Akune, Tomoko Ishibashi and Koshi Makita

Effect of different surgical procedures on the accuracy of prediction of the plasma concentration of fentanyl: comparison between mastectomy and laparoscopic prostatectomy

The accuracy of simulation-predicted fentanyl concentration in different types of surgical procedure is not fully understood. We wished to estimate the effect of different types of surgical procedure on the ac...

Authors: Yoshihito Fujita, Saya Yoshizawa, Maiko Hoshika, Koichi Inoue, Shoko Matsushita, Hisao Oka and Kazuya Sobue

Sevoflurane prolonged the QTc interval and increased transmural dispersion of repolarization in a patient with long QT syndrome 3: a case report

We report that sevoflurane not only caused marked QTc interval prolongation but also increased transmural dispersion of repolarization in a patient with long QT syndrome 3 (LQT3). A 16-year-old male with LQT3 ...

Authors: Atsuhiro Kitaura, Shinichi Nakao, Shinichi Hamasaki, Kei Houri, Takatoshi Tsujimoto, Seishi Kimura and Mayuka Matsushima

Anesthetic management of cesarean section in a patient with a large anterior mediastinal mass: a case report

Symptomatic anterior mediastinal mass in pregnancy is rare, and cesarean section for such patients poses a risk of cardiopulmonary collapse.

Authors: Kunio Kusajima, Satoshi Ishihara, Takeshi Yokoyama and Katsuyuki Katayama

General anesthesia in a patient with asymptomatic second-degree two-to-one atrioventricular block

The major perioperative concern in patients with second-degree atrioventricular (AV) block is the progression to complete AV block. Therefore, the prophylactic implantation of a temporary pacemaker prior to su...

Authors: Marie Shigematsu-Locatelli, Takashi Kawano, Atsushi Nishigaki, Daiki Yamanaka, Bun Aoyama, Hiroki Tateiwa, Noriko Kitaoka and Masataka Yokoyama

Sudden onset of artery dissection in a 32-year-old woman with vascular Ehlers-Danlos syndrome due to psychological stress of her mother’s death: a case series

Patients with vascular Ehlers-Danlos syndrome (EDS) are susceptible to significant vascular complications, such as aortic and visceral arterial ruptures, aneurysms, and dissection. We describe a case of repeat...

Authors: Yuichiro Shimoyama, Osamu Umegaki, Tomoyuki Agui, Noriko Kadono and Toshiaki Minami

Bacillus cereus pneumonia in an immunocompetent patient: a case report

Bacillus cereus (B. cereus) rarely causes lower respiratory tract infections, although most reported cases of B. cereus pneumonia are fatal despite intensive antibiotic therapy. We pre...

Authors: Yuichiro Shimoyama, Osamu Umegaki, Yukimasa Ooi, Tomoyuki Agui, Noriko Kadono and Toshiaki Minami

Abdominal compartment syndrome during hip arthroscopy for an acetabular fracture: a case report

We encountered a case of abdominal compartment syndrome during hip arthroscopic surgery, caused by the irrigation fluid flowing into the peritoneal cavity.

Authors: Tomoharu Shakuo, Kiyoko Bito, Seiichi Yasuda and Chie Asagi

An educational program for decreasing catheter-related bloodstream infections in intensive care units: a pre- and post-intervention observational study

Central venous catheters (CVCs) are commonly used in the management of critically ill patients. This study aimed to determine whether an educational program could reduce the rate of catheter-related bloodstrea...

Authors: Yuichiro Shimoyama, Osamu Umegaki, Tomoyuki Agui, Noriko Kadono, Nobuyasu Komasawa and Toshiaki Minami

Dexmedetomidine-treated hyperventilation syndrome triggered by the distress related with a urinary catheter after general anesthesia: a case report

Hyperventilation syndrome (HVS) sometimes occurs in patients under stressful conditions and may provoke severe complications such as myocardial infarction and death. The authors report a case of HVS following ...

Authors: Junichi Saito, Erika Amanai and Kazuyoshi Hirota

A devised strategy for tracheal extubation for predicted difficult airway in a child with unilateral vocal cord paralysis: a case report

Extubation is a more challenging medical practice than intubation, and countermeasures against it are similar to those described in the Difficult Intubation Guidelines, but problems cannot be overcome by compl...

Authors: Mariko Nagata, Yasuyo Shimomura, Yoshitaka Hara, Tomoyuki Nakamura, Seiko Hayakawa, Hidefumi Komura, Junpei Shibata, Chizuru Yamashita and Osamu Nishida

A case of sudden onset of thyroid storm just before cesarean section manifesting congestive heart failure and pulmonary edema

Since acute respiratory failure (ARF) is a life-threatening complication, particularly in the gestational period, differential diagnosis and rapid treatment are required. Among the various causes of sudden ons...

Authors: Yuki Sugiyama, Ryusuke Tanaka, Yuki Yoshiyama, Takashi Ichino, Norimasa Hishinuma, Sari Shimizu, Noriko Imai, Kunihiro Mitsuzawa and Mikito Kawamata

Monitoring of central venous pressure and stroke volume variation in a case with a ruptured brain arteriovenous malformation and Fontan circulation

Patients with complex congenital heart disease increasingly undergo noncardiac surgeries because of advancements in surgical techniques and medical management. In Fontan circulation, maintaining an adequate tr...

Authors: Toshiyuki Nakanishi, Kazuyoshi Ishida, Kiyotaka Shiramoto and Mishiya Matsumoto

A case of left frontal high-grade glioma diagnosed during pregnancy

As pregnancy accelerates glioma growth, therapeutic abortion has been recommended prior to tumor resection. Additionally, it has also been suggested that the extent of glioma resection is closely correlated wi...

Authors: Kotoe Kamata, Risa Fukushima, Minoru Nomura and Makoto Ozaki

Postoperative management with dexmedetomidine in a pregnant patient who underwent AVM nidus removal: a case report

Following cerebral arteriovenous malformation (AVM) surgery, severe brain edema and hemorrhage may be caused by postoperative normal perfusion pressure breakthrough (NPPB). Sedation is necessary for this popul...

Authors: Chanatthee Kitsiripant, Kotoe Kamata, Rie Kanamori, Koji Yamaguchi, Makoto Ozaki and Minoru Nomura

Lower airway obstruction due to a massive clot resulting from late bleeding following mini-tracheostomy tube insertion and subsequent clot removal and re-intubation

Easier to perform than the conventional procedure, mini-tracheostomy (MT) is widely used in the operating room or intensive care unit to remove sputum or other obstructions of the upper airway. This option, ho...

Authors: Hiroshi Inoue, Jun Ito, Hiroaki Uchida, Mariko Morita, Takahiko Masuda, Kazuhiro Yamaya, Masaki Hata and Shigeaki Kato

Unexpected bioprosthetic mitral valve thrombus during left ventricular assist device implantation

Acute bioprosthetic valve thrombosis can occur after surgery and sometimes cause hemodynamic instability and cardiogenic shock. Risk factors for bioprosthetic valve thrombosis are hypercoagulability, atrial fi...

Authors: Tatsuyuki Imada, Sho Carl Shibata, Kenta Okitsu and Yuji Fujino

Coronary ostial stenosis detected by transesophageal echocardiography after aortic valve replacement: a case report

Coronary ostial stenosis is a life-threatening complication of aortic valve replacement (AVR). Clinical symptoms usually appear within the first 6 months after AVR (Funada and Mizuno et al., Circ J 70:1312–7, ...

Authors: Naomi Ono, Toshiyuki Sawai and Hisanari Ishii

Low preoperative regional cerebral oxygen saturation in hemodialysis patients

Regional cerebral oxygen saturation (rSO₂) monitoring by near-infrared spectroscopy provides valuable information regarding cerebral oxygen delivery, and it has been increasingly used in cardiovascular surgery. A...

Authors: Shino Matsukawa, Miho Hamada and Toshiyuki Mizota

When can we give general anesthesia to an infant with anticipated difficult airway management caused by facial vascular malformation?

A 13-month-old infant weighing 8.3 kg with a height of 72.3 cm visited our hospital for surgical resection of facial vascular malformation detected at birth. Because we anticipated the patient would have diffi...

Authors: Kumi Moriyama, Masanori Mitsuda, Masakazu Kurita, Mine Ozaki, Kiyoshi Moriyama and Tomoko Yorozu

A case report of intracranial hemorrhage after spinal anesthesia

Chronic subdural hematoma (CSDH) after spinal anesthesia is a rare complication. We experienced a patient who developed CSDH after postdural puncture headache (PDPH) following combined spinal and epidural anes...

Authors: Yuri Iwase, Manzo Suzuki and Hiroyasu Bito

Difficult tracheal intubation and post-extubation airway stenosis in an 11-month-old patient with unrecognized subglottic stenosis: a case report

Subglottic stenosis can lead to life-threatening difficult tracheal intubation during general anesthesia. We report a case of difficult tracheal intubation in an 11-month-old female who had unrecognized subglo...

Authors: Natsuko Ohsima, Fumimasa Amaya, Shunsuke Yamakita, Yoshinobu Nakayama, Hideya Kato, Yumi Muranishi, Toshiaki Numajiri and Teiji Sawa