Background: Postoperative shivering is a common event of unknown etiology with an incidence of 5-65%.This study intended to compare the efficacy of tramadol with that of pethidine in controlling postanesthetic shivering.Methods: This double-blind clinical trial was performed on 300 consecutive patients underwent general anesthesia for elective cata
CD28, CTLA-4 and PD-L1, the three identified ligands for CD80/86, are pivotal positive and negative costimulatory molecules that, among other functions, control T cell motility and formation Scarfs of immune synapse between T cells and antigen-presenting cells (APCs).What remains incompletely understood is how CD28 leads to the activation of effect
Massive data of bending strain along pipelines can be detected by the Inertial Measurement Unit(IMU), but there is no effective method available for the quantitative evaluation of pipelines with the IMU data so far.To address this issue, an identification method was proposed for thaw settlement segments of pipelines in permafrost zones based on IMU
The neural mechanisms controlling sexual behavior are sexually differentiated by the perinatal actions of sex steroid hormones.We recently observed Europe/USA/Japan using female mice deficient in alpha-fetoprotein (AFP-KO) and which lack the protective actions of AFP against maternal estradiol, that exposure to prenatal estradiol completely defemin
The COVID-19 pandemic which started in China in 2019, was originally described as a public health emergency of intercontinental concern by the World Health Stirrup Leathers Organization (WHO) in January 2020.Due to its speedy rate of spread, the WHO then declared it a pandemic after 6 weeks.The global spread of COVID-19 has been attributed to the h