Objective To investigate the correlation between tetramine poisoning and hypocalcemia in children.Methods According to different severe cases grade,tetramine poisoning children were divided into critical group(70-90 score),extremely critical group(

Back Pain ; epidemiology ; Cohort Studies ; Female ; Humans ; Indium ; Life Tables ; Low Back Pain ; epidemiology ; Male ; Metallurgy ; Occupational Health ; Pneumoconiosis ; epidemiology ; Prevalence ; Retrospective Studies

BACKGROUND:The two main cages used in anterior cervical surgery are titanium cages and poly(ether-ether-ketone) cages, but it is stil controversial in imaging performances and clinical outcomes.
OBJECTIVE:To systematical y evaluate imaging performances and clinical outcomes between titanium cages and poly(ether-ether-ketone) cages in anterior cervical discectomy and fusion surgery.
METHODS:The Cochrane library (issue 5, 2013), Medline database, EMBASE, CNKI and Wanfang database were retrieved by computer. The deadline of al the retrieves concerning control study of uses of titanium cages and poly(ether-ether-ketone) cages was June 1st, 2013. Two reviewers assessed literatures independently, and the meta-analysis was conducted by RevMan 5.2 software.
RESULTS AND CONCLUSION:A total of four literatures including 235 patients, 128 of titanium cages and 107 of poly(ether-ether-ketone) cages, were included. Meta-analysis results showed that there was no statistical y significant difference between the groups in fusion rates, subsidence and dislocation rates of short-term fol ow-up and clinical outcomes (al P>0.05). There were statistical y significant differences between the groups in subsidence and dislocation rates of long-term fol ow-up (P<0.05). Poly(ether-ether-ketone) cage group was superior to titanium cages group in maintenance of cervical curvature and intervertebral height. This meta-analysis showed that poly(ether-ether-ketone) cages had good fusion rates and clinical outcomes, less subsidence and dislocation rates, and can better maintain cervical curvature and intervertebral height compared with titanium cages.

Objective To observe the BMD threshold of hip fracture in the elderly, analyze the pre-imposing factors leading to femoral neck fracture or intertrochanteric fracture, and provide some evidences for fracture prevention. Methods The BMD examination were performed on 496 fractured patients over 60 years old which were grouped after admission according to their age, gender and fracture types, and then the results were statistically analyzed. Results The BMD of fracture cases in the elderly over 60 years old was 2.5 s less than peak bone volume. There is no obvious difference in BMD between femoral neck fracture and intertrochanteric fracture among various age groups. According to our study, most hip fractures happened at the age of 60-79 years, accounting for 73%of all hip fractures. Conclusions Decreased bone mass or osteoporosis is an important factor leading to hip fracture in the elderly. The fracture types (femoral neck fracture or intertrochanteric fracture) depend mainly on the impaction force to the hip, not only on the BMD change.

This paper gives a brief introduction of the significance and background of the digital pictures' database in CQMU.It introduces its design methods,realization approaches,and solutions to the pictures' patent claim.Meanwhile this paper also han- dles its functions in editing pictures online,indexing pictures off line and its management.

Abstract: Objective To explore the correlation between lung function in patients with chronic obstructive pulmonary disease (COPD) and tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β) levels in exhaled breath condensate (EBC), and to provide a convenient methodological basis for the diagnosis and treatment of COPD and the determination of its efficacy. Methods A total of 81 COPD patients and 40 healthy controls were selected from the respiratory department of the Fourth Affiliated Hospital of Guangzhou Medical University from August 2020 to February 2022 as the research subjects. The COPD patients were divided into 41 cases in the acute exacerbation group and 40 cases in the remission group according to their status. All participants underwent lung function detection, venous blood and EBC collection, and the levels of TNF-α and IL-1β in EBC and venous blood were analyzed by enzyme-linked immunosorbent assay (ELISA), and correlation analysis was performed by Pearson correlation analysis method. Results The levels of TNF-α and IL-1β in EBC of in the acute exacerbation group, the healthy control group, the remission group were (5.16±0.18) pg/μL and (7.75±0.27) pg/μL, (2.66±0.31) pg/μL and (2.41±0.24） pg/μL, (3.61±0.29) pg/μL and (3.17±0.38) pg/μL, respectively. Compared with the healthy control group, the levels of TNF-α and IL-1β in EBC in the COPD acute exacerbation group were significantly higher than those in the healthy control group and the COPD remission group (F=9.451, 8.217, P<0.001). Serum tests were consistent with this result. Correlation analysis showed that the levels of TNF-α and IL-1β in EBC were significantly positively correlated with the level of serum inflammation levels (P<0.001), while significantly negatively correlated with lung function (P<0.001).  Conclusions TNF-α and IL-1β in EBC are potential biomarkers of inflammation in patients with COPD, and their detection can be used to effectively assess lung function in patients with COPD. 

Objectives To reveal etiologies of persistent isolated hematuria (PIH) through ultrastructural pathological examination, to disclose clinicopathological correlation in cases with PIH, and to summarize appropriate management of patients with PIH.
Methods we retrospectively studied 155 PIH patients receiving renal biopsy between January, 2003 and December, 2008 in Peking Union Medical College Hospital. All the clinical data and follow-up result were analyzed.
Results All subjects included 38 children and 117 adults, with mean age of 11.38±3.25 years for children and 35.17±8.44 years for adults. Thin basement membrane nephropathy (TBMN) was the most common pathology (55.3% of children and 49.6% of adults), followed by IgA nephropathy (18.4% of children and 32.5% of adults, mainly grade 2-3) and mesangial proliferative glomerulonephritis (MsPGN) without IgA deposition (13.2%of children and 12.8%of adults). Besides, Alport syndrome (2.6%of children) and membrane nephropathy (2.6%of children and 0.9%of adults) were demonstrated as other causes of PIH. Elevated mean arteral pressure or protein excretion rate, as well as episodic macrohematuria, indicated higher risk for MsPGN rather than TBMN. On the other hand, severity of microhematuria was irrelevant to pathological types of PIH. Totally, 86 patients were followed up and 37 cases therein stayed on track for long term (mean duration 41.11±28.92 months, range 8-113 months). Most cases had benign clinical course except 3 cases with TBMN, 5 cases with IgA nephropathy, 1 case with MsPGN (without IgA deposition), and 1 case with Alport syndrome, who developed hypertension or proteinuria. All of them were administered timely intervention.
Conclusions Close follow-up should be required as the primary management for PIH. Equally important is careful monitoring for early identification of undesirable predictors;while renal biopsy and other timely intervention are warranted if there is hypertension, significant proteinuria or renal impairment.

Acute Disease ; Antibodies, Viral ; blood ; Antiviral Agents ; therapeutic use ; Ascitic Fluid ; etiology ; Child ; Herpesvirus 4, Human ; drug effects ; immunology ; Humans ; Magnetic Resonance Imaging ; Male ; Pancreatic Pseudocyst ; complications ; therapy ; Pancreatitis ; complications ; therapy

LFA-1/ICAM-1 costimulation plays an important role in immunologic reaction of many different T cell populations. After TCR/CD3 complex cross-linking MHC/peptide, LFA-1, expressed on T cell increases a higher affinity and avidity for ICAM-1 rapidly. LFA-1 is a key molecule in formation of the immune synapse. LFA-1/ICAM-1 costimulation can engage various signaling events of T cell by up-regulating the activities of PI 3-kinase, sphingomyelinase, and c-Jun NH2-terminal kinase. With the costimulation of LFA-1/ICAM-1, engagement of TCR molecules results in a significant increase of T cell activities, including higher Th1 cytokines production, strongly proliferative response and higher T cell cytotoxicity.
Animals ; Cytokines ; biosynthesis ; Cytotoxicity, Immunologic ; Humans ; Intercellular Adhesion Molecule-1 ; physiology ; Lymphocyte Activation ; Lymphocyte Function-Associated Antigen-1 ; physiology ; Signal Transduction ; T-Lymphocytes ; immunology

Multiple myeloma (MM) is a malignant plasma cell neoplasm that can not be cured with the conventional chemotherapy. Although new drugs, such as bortezomib, are highly effective in controlling the disease, the hematopoietic stem cell transplantation (HSCT) still should be performed, so as to increase the patients response and survival time. For over a decade, autologous HSCT has been a critical component in the treatment plan for newly diagnosed myeloma. The survival outcome with auto-HSCT seems to be highly dependent on the ability of this approach to enhance the depth of response. Maintenance therapy prolongs the responses after auto-HSCT by continuous administration of drug, such as thalidomide. However, patients invariably relapse after single auto-HSCT or double auto-HSCT. Allogeneic HSCT for myeloma has a potential for curing MM with the presence of a graft versus myeloma effect. Currently, allogeneic approaches should be considered in MM transplant procedure. Clinical data suggest that the mortality after allo-HSCT is definitely lower with the reduced-intensity regimens, but the relapse rate was higher than myeloablative regimens. Individual-adapted treatment strategy is benefited for MM transplant candidates. This article reviews the whole process of MM transplant candidates, including regimens for initial therapy, time of transplantation, choice of transplantation procedure and maintenance therapy.
Hematopoietic Stem Cell Transplantation ; methods ; Humans ; Multiple Myeloma ; surgery