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Acute lung injury (ALI) is still a leading cause of morbidity and mortality in critically ill patients. Recently, our and other studies have found that hydrogen gas (H₂) treatment can ameliorate the lung injury induced by sepsis, ventilator, hyperoxia, and ischemia-reperfusion. However, the molecular mechanisms by which H₂ ameliorates lung injury remain(More)
Chronic neuropathic pain is an intractable pain with few effective treatments. Moderate cold stimulation can relieve pain, and this may be a novel train of thought for exploring new methods of analgesia. Transient receptor potential melastatin 8 (TRPM8) ion channel has been proposed to be an important molecular sensor for cold. Here we investigate the role(More)
OBJECTIVES The aim of this study was to compare the analgesic effects and pharmacokinetics of epidural versus intravenous administration of low doses of ketamine. METHODS 45 patients scheduled for selective gastrectomy were randomly assigned into 3 groups: 0.5mg/kg ketamine administered epidurally (Kepi group), 0.5 mg/kg ketamine administered(More)
BACKGROUND AND PURPOSE The diagnosis of patients with fever of unknown origin (FUO) remains a challenging medical problem for internal medicine. A reliable estimate of the diagnostic performance of FDG-PET and FDG-PET/CT in the assessment of FUO unidentified by conventional workup has never been systematically assessed, and present systematic review was(More)
Despite recent advances in antibiotic therapy and intensive care, sepsis is still considered to be the most common cause of death in intensive care units. Excessive production of reactive oxygen species plays an important role in the pathogenesis of sepsis. Recently, it has been suggested that molecular hydrogen (H2) exerts a therapeutic antioxidant(More)
BACKGROUND Molecular hydrogen (H2) as a new medical gas has an anti-inflammatory effect. In the present study, we investigated whether heme oxygenase-1 (HO-1) contributes to the anti-inflammatory effect of H2 in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. METHODS RAW 264.7 macrophages were stimulated by LPS (1 μg/mL) with presence or(More)
The aim of this study was to investigate whether propofol could provide postconditioning to ischemic brain injury and the role of phosphoinositide-3-kinase/Akt (PI3K/Akt) pathway in this phenomenon. Rats underwent 2 h of middle cerebral artery occlusion (MCAO) followed by 22 h of reperfusion were randomly divided into nine groups (n=15 each): sham-operated(More)
BACKGROUND Although remifentanil provides perfect analgesia during surgery, postoperative hyperalgesia after remifentanil administration might be a challenge to anesthesiologists. The trafficking and activation of N-methyl-D-aspartate (NMDA) receptors have a pivotal role in the development and maintenance of remifentanil-induced postoperative hyperalgesia.(More)
BACKGROUND The Guardian Laryngeal Mask Airway (G-LMA) is a new silicone-based single-use extraglottic device with the drainage port and a cuff pilot valve with pressure indicator. The aim of this study is to compare the clinical performance of this laryngeal mask airway with ProSeal laryngeal mask airway (P-LMA). METHODS In this prospective randomized(More)
BACKGROUND Sepsis is a potentially fatal whole-body inflammation caused by severe infection. Hydrogen gas (H2) is effective for treating sepsis. In this study, we hypothesized that the protective function of H2 in mice with septic lung injury occurred through the activation of heme oxygenase 1 (HO-1) and its upstream regulator nuclear factor-erythroid 2(More)