Pulmonary valve stenosis is a common congenital heart disease,and its early diagnosis and treatment can improve growth and prognosis in children with pulmonary valve stenosis.With the development of the diagnostics and treatment,percutaneous balloon pulmonary valvuloplasty has replaced surgery as the first choice for isolated pulmonary valve stenosis.This paper reviews the recent progress in diagnosis and treatment of pulmonary valve stenosis.

Adult ; Female ; Humans ; Hydrocarbons ; adverse effects ; Male ; Middle Aged ; Occupational Exposure ; adverse effects ; Pulmonary Ventilation ; drug effects ; Radiography, Thoracic ; Smoke ; adverse effects ; X-Ray Film

Adult ; Calcium-Transporting ATPases ; metabolism ; Erythrocyte Membrane ; metabolism ; Female ; Humans ; Hydrocarbons ; adverse effects ; Lipid Peroxidation ; Male ; Middle Aged ; Occupational Exposure ; Sodium-Potassium-Exchanging ATPase ; metabolism ; Young Adult

Adult ; Female ; Humans ; Hydrocarbons ; adverse effects ; Kidney ; drug effects ; physiology ; Liver ; drug effects ; physiology ; Male ; Middle Aged ; Occupational Exposure ; adverse effects ; Smoke ; adverse effects ; Young Adult

Combined Modality Therapy ; Disease Progression ; Gastrointestinal Neoplasms ; diagnosis ; therapy ; Humans ; Physicians ; psychology

Objective To study the frequency of lymphocyte cells in hypertrophic adenoid in children with otitis media with effusion. Methods The study group consisted of 45 children suffering from hypertrophic adenoid coexisting with otitis media with effusion (HA/OME). The control group consisted of 34 children with adenoid hypertrophy(HA),but without otitis media. Adenoids excision was implemented. Cells were stained with fluorescently labeled protein-specific antibody. The lymphocyte of adenoids was determined by flow cytometry. Results Lymphocyte cells(CD3+CD4+CD69+T cells(1.29%),CD3+CD4+HLA-DR+T cells(0.61%),CD3+CD8+CD69+ T cells (1.39%),CD3+CD8+HLA-DR+ T cells (0.09%),CD19+CD69+ B cells (2.07%) and CD19+CD62L+B cells(0.21%)in HA/OME group were higher than in HA group:(CD3+CD4+CD69+T cells(1.94%), CD3+CD4+HLA-DR+T cells(0.84%),CD3+CD8+CD69+T cells(2.08%),CD3+CD8+HLA-DR+T cells(0.18%), CD19+CD69+ B cells (3.98%),CD19+CD62L+ B cells (0.46%). In addition ,there are the higher percentage lymphocyte cells(CD3+CD4+ T cells(8.97%),CD3+CD8+ T cells(4.27%),CD3+CD8+ Fas+ T cells(1.24%) and CD19+Fas+ B cells (3.23%) in HA/OME group than those in HA group:(CD3+CD4+ T cells (6.37%), CD3+CD4+CD69+ T cells (1.29%),CD3+CD4+HLA-DR+ T cells (0.61%) and CD3+CD8+ T cells(3.61%). Conclusions The local immune dysfunction resulting from hypertrophic adenoids may have a relationship with otitis media.

Objective To observe the effects of cigarette smoke extract (CSE) on the proliferation and secretion of hydrogen peroxide (H2O2) in human lung fibroblasts (HLFs) induced by transforming growth faetor-β1(TGF-β1).Methods Cultured HLFs were divided into a normal group and a model group induced by TGF-β1 (5 ng/mL),then intervened with CSE at different concentrations (0% ,2.5% ,5%, 10%, respectively).Brdu ELISA assay was used to detect cell proliferation.H2O2release from cultured cells was assayed using a fluorimetric method.Cellular localization of H2O2 and expression of α-SMA were performed using a fluorescent-labeling strategy.Results TGF-β1 stimulated group showed positive expression of α-SMA, implying TGF-β1 had induced fibroblasts to differentiate into myofibroblasts.In TGF-β1 stimulated group,2.5% and 5% CSE promoted cell proliferation (P < 0.01 or 0.05), while 10% CSE inhibited cell proliferation (P < 0.01).In the normal group, both low and high concentration of CSE inhibited cell proliferation (P < 0.01 or P < 0.05), and the inhibition effect was dose-dependent.HLF induced by TGF-β1 generated low constitutive levels of extracellular H2O2 that was markedly enhanced by CSE treatment (P < 0.01).Pretreatment with DPI, an inhibitor of NADPH oxidase, abolished secretion of H2O2.Cellular localization of H2O2 by a fluorescent-labeling strategy demonstrated that extracellular secretion of H2O2 is specific to the myofibroblast.Conclusions Low concentration of CSE can promote myofibroblast proliferation, and markedly increase extracellular secretion of H2O2.CSE possibly take part in the development and progress of idiopathic pulmonary fibrosis by increasing oxidative stress.

Objective To observe the distribution and concentration of ~(125)I-nerve growth factor (NG-F) in rabbits' eyes after intravitreal injection and posterior juxtascleral injection.Methods Intravitreal injection(group A) and posterior juxtascleral injection (group B) were performed with the dosage of 30μg/100μl ~(125)I-NGF on left and right eyes in 45 white rabbits respectively.The γ-counts and the concentration of ~(125)I-NGF (%ID/g) of each ocular tissue was determined 15 and 30 minutes,and 1,3,6,12,24,and 48hours after injection.Results The ~(125)I-NGF diffusion in group A was faster in ocular content and ocular inner wall.The vitreous content of ~(125)I-NGF decreased gradually in group A,the curve changes in other eye tissues were normal.The concentration of ~(125)I-NGF reached the peak 3 hours after injection in aqueous humor,iris and ciliary body,retina,and choroids,but 6 hours after injection in sclera and 8 hours in cornea.The changes of concentration of ~(125)I-NGF in group B showed normal curve change.The peak time in group B were all 6 hours,in all the tissues except aqueous humor (3 hours).Except the high concentration in vitreous body caused by intravitreal injection,the concentration of ~(125)I-NGF in retina was the highest in group A.Conclusion Intravitreal injection of ~(125)I-NGF can gain higher concentration in each ocular tissue than posterior juxtaseleral injection,especially in retina.So intravitreal injection of NGF is a better ocular delivery method to treat the ocular fundus diseases.

Although choledochoscope has been described as an ideal approach for cholelithiasis, larger,impacted or residual biliary duct stones could hardly be taken out. Choledochoscopic laser lithotripsy was used in 1978. At present, however, it has not wildly been applied in the biliary surgery. In this article, we reviewed the domestic and foreign literatures to state the application and prospect of choledochoscope combined with laser lithotripsy in cholelithiasis.

Objective To evaluate the safety and local control rate and short term survival status of the treatment for primary liver cancer by microwave ablation.Methods From January 2006 to January 2014,a total of 209 lesions in which the average diameter was 3.92 cm in 187 patients was performed the microwave ablation therapy.There were 12 lessions adjacent to lung,diaphragm,abdominal wall,stomach,colon and gallbladder area. Enhanced CT examination was performed one month after ablation and the imaging data,liver function,AFP level and quality of life were followed up every three month to evaluate the effectiveness.Results 88.99 percent of le-sions achieved complete elimination after an average 1.35 times ablation.The completed elimination ratio for small lesions less than 3 cm was up to 100%.Local tumor progression occurred in 23 lesions.Seventheen patients had mild complications.The slight complication rate was about 5.82%.Death and other serious complications did not occur in this study.Conclusion Microwave ablation is safe and feasible for the lesions of liver cancer with live cancer less than 5 cm,which is located in the special dangerous area of liver cancer.Microwave ablation can significantly prolong the survival time of patients,especially for small HCC patients with <3cm.