Objective To investigate the effect of irrigation with hypothermic artificial cerebral-spinal fluid (aCSF)on expression of aquaporin-4(AQP-4) in the spinal cord following spinal ischemia-reperfusion (I/R) in rabbits.Methods Fifty-four adult male New Zealand white rabbits weighing 2.0-2.5 kg were randomly divided into 3 groups (n=18 each):group sham operation(S group); group I/R and group irrigation with hypothermic aCSF (FI group). Spinal I/R was induced by clamping the abdominal aorta below renal artery for 60 min. Hypothermic aCSF(25 X.)was infused at L4,5 interspace at a rate of 30 ml/h and drained from L7,8 interspace during spinal ischemia.Neurological function was evaluated at 4, 24, 48 and 72 h of reperfusion and scored (0=no hind limb activity, 4=hind limb function completely recovered) in 6 animals in each group. Six animals were sacrificed at 4, 24 and 72 h respectively in each group.The lumbar segment (L5-8) was removed for measurement of water content and AQP-4 protein expression (by immuno-histochemistry).Results Neurological function scores were significantly lower,water content was higher and AQP-4 expression smaller in group I/R than in group S. I/R-induced effects were significantly attenuated by irrigation of hypothermic aCSF. Conclusion Irrigation with hypothermic aCSF can ameliorate the spinal cord I/R injuries by up-regulation of AQP-4 expression.

A 1-year-old boy developed multiple skin-colored nodules on the forehead and extremities when he was 4 months old.Physical examination revealed that his general condition was well with no hepatomegaly,splenomegaly,lymphadenectasis,testicle abnormality or gingival hypertrophy.Pathologically,the epidermis was normal,while the dermis and subcutaneous tissue were diffusely infiltrated with medium-to large-sized deformed cells,which had a small amount of cytoplasm,oval nucleus,irregular shape and fine chromatin.Some infiltrating cells had nuclear groove and nucleoli.Immunohistochemical studies showed that the tumor cells were positive for S-100 protein,CD56,CD123,CD163,CD68,Ki-67 (40％),weakly positive for CD4 (some),but negative for myeloperoxidase,CD1,CD21.Bone marrow smears showed a 24.5％ infltration by monoblasts and promonocytes.A diagnosis of monoblastic sarcoma cutis preceding acute monoblastic leukemia was made.

The investigator raised the possibility that the authors hadn't conducted the research. Therefore, the entire article has been retracted in accordance with this journal's policy and Editorial decision.

Objective:To investigate parents′ knowledge and attitude toward post-operative pain management in pediatric orthopedics and analyze influencing factors.Methods:A total of 170 parents of 6 to 16 years old children who underwent selective surgeries and were hospitalized because of limb fracture were conveniently selected in Children′s Hospital of Soochow University from April to December in 2019, They were investigated using the general data questionnaire, Pain Management Knowledge and Attitudes Questionnaire.Results:There were 167 parents completed questionnaires in our study. The mean score of parents′ knowledge, general attitude and negative attitude to pain medication were 15.0(3.00), 24.0(4.00) and 17.0(3.00) respectively. There were statistical differences between different educational levels of parents′ knowledge ( χ2 value was11.599, P=0.021), as well as different age of parent′s general attitude ( χ2 value was 7.053, P=0.029). Spearman-related results showed that parents′ cognition was positively correlated with general attitudes ( r value was 0.394, P<0.01). Conclusions:The majority of parents are at moderate to high level of knowledge, general attitude and negative attitude to pain medication. Pediatric nurses should pay more attention to parents′ knowledge deficit of and negative attitude toward pain assessment tools and pain-drugs to develop targeted educational intervention programs for promoting parental involvement.

Objective To explore the effect of high quality nursing care performing in the operating room and reasonable approach for assessment. Methods Stratified random sampling was used to select 93 nurses from two tertiary hospitals. The task performance and contextual performance was assessed before and after implementing a range of high quality nursing care program. Results The task performance scores and patient care, nursing information, nurse skills dimension scores respectively were 58.59 ±1.77, 19.27±1.16, 19.50±1.11, 19.80±0.70 after the operating room junior high quality nursing service project, which were 37.21 ± 1.92, 5.55 ± 0.86, 13.78 ± 1.12, 17.87 ± 0.98 before the implementation, the differences were statistically significant (t=-82.48--15.15, P<0.01). The performance scores and mutual support between colleagues, work out the extra burden, organizational support dimension scores were respectively 70.43 ± 2.94, 28.23 ± 1.21, 18.52 ± 1.29, 23.67 ± 1.86 after the operating room junior high quality nursing service project, which were 36.20 ± 1.79, 15.52 ± 1.94, 7.33 ± 1.11, 13.34 ± 0.87 before the implementation, the differences were statistically significant (t=-91.99--46.68, P<0.01). Conclusions The high quality nursing care program is a range of nursing service which can advance task performance and contextual performance of nurses in the operating room. Task performance and contextual performance are effective approaches by which high quality nursing care in operating room could be reasonably assessed.

Objective To sum up the specificity in clinical care of repetitive transcranial magnetic stimulation (rTMS),and provide reference for putting forward scientific and effective clinical care project.Methods 200 male schizophrenia patients with rTMS treatment were divided into the research group and the control group with 100 cases in each group randomly.Then,the research group adopted the specific nursing which was obtained from the pre-experiment while the control group adopted the routine care.Moreover,NORS scale was used to evaluate the treatment effect.Changhai Pain Measuring Scale was employed to assess headaches in pre-treatment and post-treatment.Results The data of the research group in NORS scale was obviously lower than the control group,and the difference between two groups had statistical significance.No case occurred adverse reaction in the research group,in contract with many cases with adverse reaction in the control group.Conclusions Specific nursing can reduce complications effectively for schizophrenia patients receiving rTMS treatment,and it is a scientific,effective and mature clinical care method.

Objective To investigate the pathological features of blood vessel inflammation in facioscapulohumeral muscular dystrophy ( FSHD ) and the role of vasculitis on the pathogenesis of FSHD. Methods The clinical manifestations and myopathological features of 26 FSHD patients were retrospectively analyzed and summarized. All of the patients were divided into 2 groups; inflammatory infiltration group and non-inflammatory infiltration group. The latter was further divided into 3 subgroups;endomysial inflammation subgroup, perivasculitis subgroup and transmural vasculitis subgroup.Immunohistochemical staining were carried out in inflammatory infiltration group with anti-CD3, anti-CD4,anti-CD8,anti-CD20 and anti-SMA antibody. The control group was composed of 10 dermatomyositis ( DM)cases and 10 polymyositis ( PM) cases. Results The age of onset was (25. 2 ± 12. 6) years old and the average course was (7. 8 ±7. 3) years. The sex ratio of male to female was 1.6: 1. Five of them had family history. The main clinical features were progressive weakness and atrophy of facial, shoulder girdles and proximal upper limbs muscles. The lower distal limbs and (or) lower distal limbs and pelvic girdle muscles were involved in 18 cases. The main pathological features were shown as followed. Seventeen of them had focal inflammatory cell infiltration, including endomysial inflammation (4/17) , perivasculitis (7/17) , and transmural vasculitis (6/17). Immunohistochemical staining confirmed the major types of inflammatory cells were CD4* T lymphocytes and CD20B lymphocytes, which was familiar with DM. While in PM, CD8+ T lymphocytes were dominant The proportionality of residual muscle fibers obviously decreased in inflammatory infiltration group ( 48. 0% ± 23. 6% ) than non-inflammatory infiltration group ( 94. 3% ±3. 1% , T = 198. 000, P = 0. 000). As to CK levels, there were no significant deviation. Conclusions Obvious inflammatory cell infiltration can be seen in FSHD, the locations of inflammatory cells are endomyosium inflammation, perivasculitis and transmural vasculitis. Transmural vasculitis indicates vascular pathological factor may have something to do with pathogenesis of FSHD.

Objective Survey of Guangxi Traditional Chinese Medicine hospital hand hygiene facilities at all levels was made with improvement measures proposed.Methods Hand Hygiene Norms for Medical Workers questionnaires designed by the Ministry of Health was used in a field survey on hand hygiene facilities of 89 TCM hospitals in Guangxi.Results Facilities of the non-hand-touch taps,hand sanitizer and hand disinfectants were found satisfactory at key departments at all TCM hospitals in the region,yet poor performance with the hand drying facilities.Hospitals with such departments with non-hand-touch taps,hand sanitizer and hand disinfectants accounted for 93.3％,100.0％ and 100.0％.Only 41.6％ of the hospitals were found to use dry hand towels as drying facilities.Significant difference was found at various levels of hospitals' hand hygiene facilities.Conclusion The hand hygiene facilities at such hospitals in Guangxi are receiving growing attention,yet further investment is still required for further improvement and compliance of the medical staff in hand hygiene.

During spermatogenesis, developing germ cells that lack the cellular ultrastructures of filopodia and lamellipodia generally found in migrating cells, such as macrophages and fibroblasts, rely on Sertoli cells to support their transport across the seminiferous epithelium. These include the transport of preleptotene spermatocytes across the blood-testis barrier (BTB), but also the transport of germ cells, in particular developing haploid spermatids, across the seminiferous epithelium, that is to and away from the tubule lumen, depending on the stages of the epithelial cycle. On the other hand, cell junctions at the Sertoli cell-cell and Sertoli-germ cell interface also undergo rapid remodeling, involving disassembly and reassembly of cell junctions, which, in turn, are supported by actin- and microtubule-based cytoskeletal remodeling. Interestingly, the underlying mechanism(s) and the involving biomolecule(s) that regulate or support cytoskeletal remodeling remain largely unknown. Herein, we used an in vitro model of primary Sertoli cell cultures that mimicked the Sertoli BTB in vivo overexpressed with the ribosomal protein S6 (rpS6, the downstream signaling protein of mammalian target of rapamycin complex 1 [mTORC1]) cloned into the mammalian expression vector pCI-neo, namely, quadruple phosphomimetic and constitutively active mutant of rpS6 (pCI-neo/p-rpS6-MT) versus pCI-neo/rpS6-WT (wild-type) and empty vector (pCI-neo/Ctrl) for studies. These findings provide compelling evidence that the mTORC1/rpS6 signal pathway exerted its effects to promote Sertoli cell BTB remodeling. This was mediated through changes in the organization of actin- and microtubule-based cytoskeletons, involving changes in the distribution and/or spatial expression of actin- and microtubule-regulatory proteins.