Publications by authors named "Murai Y"

While veterinary pharmacy is common overseas, it has yet to gain traction in Japan. To clarify the actual situation in Japan, two surveys were conducted, targeting 4017 facilities (2000 pharmacies/drug stores, 2000 veterinary medical facilities, and 17 university-affiliated veterinary hospitals). We received 324 responses from pharmacy staff and 217 from veterinary hospital staff.

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Sphingolipids (SLs), found in all animals, plants, and fungi and in certain prokaryotic organisms, exhibit essential physiological functions that cannot be replicated by other lipids. Although SLs and their related biomolecules behave as lipid mediators, skin barrier systems and epitopes, their detailed biological functions have not yet been revealed, unlike those of proteins and nucleic acids, because the biosynthesis of SLs is not governed by the central dogma. Recently, SLs have been widely studied in relation to diseases such as obesity, dementia, and neuron agenesis and have attracted attention as molecules related to unmet medical needs.

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  • * The presence of anti-GAD antibodies is linked to type 1 diabetes and various neurological disorders collectively referred to as GAD antibody-spectrum disorders (GAD-SD).
  • * A case study of a 17-year-old male who developed GAD-SD and type 1 diabetes after a stem cell transplant is presented, showing symptoms like memory issues and abnormal brain scans, leading to treatment with steroids and insulin.
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The relationship between mechanical ventilation-induced brain volume changes and ICU-acquired weakness (ICU-AW) is not clear. We assessed brain volume change in ventilated patients and identified associations with changes in extremity muscle strength. Patients admitted to the ICU due to the need for ventilation, and who underwent at least two head CT scans during hospitalization, were included.

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A 66-year-old male patient underwent repair using the sutureless technique for an oozing-type cardiac rupture associated with myocardial infarction of the anterior left ventricular wall. On postoperative day 10, echocardiography revealed a thrombus in the apex region, and anticoagulation therapy was started with warfarin. The thrombus disappeared two months postoperatively.

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  • A 46-year-old woman with headaches and left hemiplegia due to intracranial internal carotid artery (IICA) dissection underwent an emergency STA-MCA bypass after experiencing cerebral hypoperfusion.
  • Post-surgery, her symptoms improved, and contrast-enhanced MRI revealed better delineation of the carotid artery over time, supporting her recovery.
  • The study emphasizes the effectiveness of STA-MCA bypass in increasing blood flow to the brain and highlights the usefulness of MRI in monitoring disease progression in IICA dissections.
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A solitary Peutz-Jeghers (PJ) polyp is a rare hamartomatous lesion without an associated PJ syndrome. However, little is known regarding malignancy arising in solitary PJ polyps. Here, we report a case of a solitary colonic PJ polyp with focal dysplasia.

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Background: Sore throat is a prevalent symptom of coronavirus disease 2019 (COVID-19), particularly when caused by the Omicron variants. However, the association between sore throat and immune responses to different severe acute respiratory syndrome coronavirus 2 variants remains unclear. This study aimed to elucidate the characteristics of immune responses associated with sore throat in patients with COVID-19 before and after the emergence of Omicron.

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Background: The stability of antimicrobials in peritonitis during peritoneal dialysis (PD) solutions is a critical factor influencing treatment success. This study investigated the stability of daptomycin (DAP) when combined with icodextrin-based PD solution, by measuring DAP concentrations and observing any structural changes.

Methods: A dose of DAP (350 mg) was dissolved in 7 mL of saline in a clean bench.

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Lower back and lower limb pain can hamper the rehabilitation of cerebral stroke patients. We report that peripheral nerve blocks enabled two patients to continue rehabilitation. Case 1 was an 83-year-old female with left hemiparesis due to cerebral infarction of the right basal ganglia.

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Background: Tarsal tunnel syndrome (TTS) is a common entrapment neuropathy of the posterior tibial nerve. Surgery can be performed less invasively under local anesthesia. We adopted zig-zag skin incision to prevent postoperative wound complications.

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Article Synopsis
  • - Dysfunctional breathing (DB) is a commonly overlooked issue in asthma patients in Japan, prompting a study to understand its clinical characteristics through a questionnaire survey conducted in three regions (Niigata, Kumamoto, and Tokyo) between September and November 2021.
  • - The survey involved 2,087 asthma patients, with 217 classified as having DB based on their Nijmegen questionnaire scores; significant differences emerged between DB and non-DB groups concerning factors like sex, disease duration, asthma control, and mental health.
  • - Results indicated that asthma patients with DB often experienced symptoms of depression and had poorly controlled asthma, highlighting a need for larger studies to further explore these findings and potential interventions.
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Antimicrobial resistance has emerged as a significant danger to global health, and the need for more effective antimicrobial resistance (AMR) control has been highlighted. Cinnamic acid is abundant in plant products and is a potential starting material for further modification, focusing on the development of new antimicrobial compounds. In the following review, we describe the classification of critical antibacterial-guided reactions applied to the main skeleton structure of cinnamic acid derivatives over the last decade.

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Pulse oximetry is used to screen for respiratory failure in dyspnea patients. However, pulse oximetry can yield false-positive results in certain situations. Unstable hemoglobinopathy is a disease in which mutations in the globin-encoding gene result in abnormal globin chain production, causing low percutaneous oxygen saturation (SpO) levels due to changes in hemoglobin absorbance and oxygen affinity.

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Hallucinations are vivid and transient experiences of objects, such as images or sounds, that occur in the absence of a corresponding stimulus. To understand the neurocomputational mechanisms of hallucinations, cognitive neuroscience has focused on experiments that induce false alarms (FAs) in healthy participants, psychosis-prone individuals, and patients diagnosed with schizophrenia. FAs occur when participants make decisions about difficult-to-detect stimuli and indicate the presence of a signal that was, in fact, not presented.

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  • Water diuresis complicates the treatment of profound hyponatremia, often appearing within the first 24 hours of therapy alongside shifts in urine characteristics.
  • Monitoring urine output and composition during early treatment is crucial for promptly identifying this condition.
  • In a study of 47 patients, 64% exhibited water diuresis, primarily due to various causes, with significant changes in urine volume and electrolytes noted shortly after treatment initiation.
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Objectives: Delayed bleeding is the most frequent adverse event associated with endoscopic mucosal resection (EMR) and hot snare polypectomy (HSP) of colorectal polyps. However, whether the incidence of delayed bleeding differs between outpatient and inpatient treatment is unknown. Therefore, in this study, we aimed to evaluate delayed bleeding rates between outpatient and inpatient endoscopic treatments and clarify the safety of outpatient treatment.

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Background: Dispensed drugs stored by patients are often in single-dose packages (SDPs) or are crushed and mixed after being removed from a press-through package (PTP) sheet. Information on their stability is extremely limited. To address this, we explored using chemiluminescence (CL) measurements to detect oxidative degradation.

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Background: Superior/middle cluneal nerve entrapment (CN-E) is an elicitor of low back pain (LBP). The painDETECT questionnaire is used to characterize CN-E symptoms.

Methods: Nineteen consecutive patients with LBP caused by CN-E (superior CN-E = 7; middle CN-E = 12) participated in a Japanese language painDETECT questionnaire survey before surgery.

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Methadone is used to treat intractable cancer pain when other opioid analgesics are ineffective. Methadone tablets may be difficult to administer in cases of gastrointestinal passage obstruction. However, changing the route of methadone tablet administration is possible.

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The flexor digitorum accessorius longus muscle (ALM) can be overlooked as the eliciting factor in patients with tarsal tunnel syndrome (TTS), an entrapment neuropathy of the posterior tibial nerve that elicits sole numbness and pain. Most elicitations are idiopathic, however, mass lesions within the tarsal tunnel can be also implicated. We report an 80-year-old woman whose flexor digitorum ALM led to the onset of bilateral TTS.

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The level of neutralizing antibodies required to confer protection against COVID-19 breakthrough infections (BIs) is unclear, and the ability to know the immune status of individuals against the rapidly changing endemic variants is limited. We assessed longitudinal serum anti-RBD antibody levels and neutralizing activities (NTs) against Omicron BA.5 and XBB.

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Moyamoya disease (MMD) is a cerebrovascular disorder that is predominantly observed in women of East Asian descent, and is characterized by progressive stenosis of the internal carotid artery, beginning in early childhood, and a distinctive network of collateral vessels known as "moyamoya vessels" in the basal ganglia. Additionally, a prevalent genetic variant found in most MMD cases is the p.R4810K polymorphism of RNF213 on chromosome 17q25.

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Purpose: Despite the importance of abscess lesions in clinical decisions regarding anaerobic bacteremia (AB), their impact on clinical characteristics remains unclear. Herein, we aimed to elucidate the clinical factors associated with AB that were unaccompanied by detectable abscess lesions during the initial phase of infection.

Methods: This was a multicenter retrospective observational study involving patients with culture-proven AB at six tertiary hospitals in Japan between January 2012 and March 2022.

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