4.Research progress of radiation pneumonitis
Journal of International Oncology 2011;38(11):849-852
Radiation pneumonitis (RP) is one of the most common toxicities in patients with lung cancer treated by radiotherapy,which limits the delivered dose and may thus hampers tumor control,then lowers the patients,life quality.Based on the progress of molecular biology,RP may be regarded as a continuous progression of events induced by various cytokines involving numerous cells.Researches on gene polymorphisms indicate different mechanisms in the pathogenesis of RP among different races.Besides,more studies focus on the predictive value of dosimetric parameters such as V20、mean lung dose(MLD) and biological markers such as transforming growth factor-β ( TGF-β1 ).Decreasing use of drugs which may exacerbate RP and increasing use of modern treatments may be beneficial in the prevention.Meanwhile as the respect of drug prevention,more and more emphases are being placed on the target molecule of radiation-induced injury.
5.Ageing-induced changes of peripheral benzodiazepine receptors in rat spinal cord synaptosoms
Chinese Journal of Geriatrics 2013;(5):561-563
Objective To investigate the changes of peripheral benzodiazepine receptors (PBRs)in rat spinal cord synaptosomes during ageing and to explore the correlation between PBRs in spinal cord synaptosomes and PBRs on platelet membranes.Methods A total of 24 Sprague-Dawley rats were divided into 3-month group and 24-month group (n=6 males and 6 females for each).All animals were sacrificed by decapitation and the spinal cords were immediately removed.Synaptosomal fractions from spinal cords were isolated by gradient centrifugation.The platelet membranes were prepared from venous blood by the method of hypotonic haemolysis.The specific binding of the radioactive PBRs antagonist [3H]PK11195 to membranes was determined.Results No significant differences in [3H] PK11195 binding activity in spinal cords and platelet membranes were observed between male and female rats in the same group (all P>0.05).[3H] PK11195 binding activity in spinal cords and platelet membranes were higher in 3-month group than in 24 month group [(213.94±10.65) fmol/mg pro.vs.(50.65± 2.74) fmol/mg pro.,(104.97± 2.24) fmol/mg pro.vs.(56.20±5.36) fmol/mg pro.,respectively,t=51.418,29.041,both P< 0.001].There was a positive correlation between [3H]PK11195 binding activity in platelet membranes and in spinal cord synaptosomes (r=0.985,P<0.001).Conclusions The level of PBRs is gradually decreased in rat spinal cord synaptosomes with ageing.[3H] PK11195 binding activity of platelet membranes can reflect the changes of PBRs in spinal cords.
6.The effects of functional activities on osteogenesis in the elderly
Chinese Journal of Physical Medicine and Rehabilitation 2013;35(8):643-645
Objective To evaluate the osteogenic potential of selected exercises and determine which one has the greatest value for the elderly.Methods Twenty healthy old subjects were recruited in the study.Each subject performed the following four exercises in random order:stepping onto a 4-in riser (STEP),sit-to-stand (STS),jumping (JUMP) and marching (MARCH).The subjects performed successively each of the 4 exercises for 1 minute,with an interval of 3 minutes between each.The Vicon action capture system was used to record the peak ground reaction of the subjects during their exercises.The osteogenic index (OI) was calculated by the formula:OI=peak GRF/ (body weight×9.8) × In (number of loading cycles±1).Results JUMP and MARCH had superior OI value (7.52 ±2.06,6.51 ±1.59) than STEP (5.22 ±0.63) among the4 exercises (P<0.05).STS was found to have the lowest OI (2.23 ± 0.42) in the elderly.There was no significant correlation between the height and OI in JUMP and MARCH (P >0.05).Conclusion STEP and MARCH had the higher OI value and could be deemed as the better ways to induce positive effects on bone health in the elderly population.
7.Application of popular scientific brochure with pictures in health education on infant vulvovaginitis
Chinese Journal of Practical Nursing 2011;27(16):9-11
Objective The study aims to assess the health education effects of popular scientific brochure with pictures on infant vulvovaginitis. Methods Parents of female child outpatients aged 0~5 years old with vulvovaginitis of our hospital were selected for health education, mainly about how to prevent vulvovaginitis. Popular scientific brochure with pictures was designed for use. Eighty six parents of female child patients aged 0~5 with vulvovaginitis were randomly divided into the control group and the observation group with 43 people in each group. In the control group, health brochures were issued and face-to-face guidance were carried out. In the observation group, popular scientific brochures with pictures were issued and faceto-face guidance were carried out Phone call investigations were done 4-8 weeks after issuing of education materials. Results Awareness rate, vulvovaginitis cure rate of their female child and satisfaction rate to education method of the observation group were significantly higher than the control group. Conclusions Health education guidance in form of popular scientific brochure with pictures can get more satisfactory effects.
8.Treatment of endoscopic sphincterotomy by endoscope to the patients with common duct stones after their gallbladders resected
Chinese Journal of Primary Medicine and Pharmacy 2009;16(5):844-845
Objective To evaluate the safety and therapeutic value of endoscopic sphincterotomy by endoscope to the patients with common duct stones after their gallbladders resected. Methods 158 patients with common duct stones after their gallbladders resected were given the treatments of endoscopic sphincterotomy and nasobiliary drainage in recent 4 years. Results 153 of 158 patients got succeed. The symptoms obviously improved such as jaundice and fever and epigastric distention and so on. As for the postoperative complications, the hyperamylasemia occurred in 85 patients of all patients,and active hemorrhage in 2 patients,and acute pancreatitis in 16 patients,and cholangitis in 5 patients,but no one occurred biliary fistula,no one died,too. Conclusion EST is the best way for us to treat the patients with common duct stones after their gallhladders resected by endoscope,and its curative effect is sure and its safety coefficient is higher.
9.Peripheral benzodiazepine receptors and cerebral ischemia
International Journal of Cerebrovascular Diseases 2009;17(4):305-308
1he increased peripheral benzodiazepine receptors are more significant than normal ones after cerebral ischemia. Its main reactions are the multiple pathological changes,including microglial activation, participating in neuroinflammation response, and regulation of mitochondrial function. Using radionuclide-laheled specific ligands of the peripheral benzodiaz-epine receptor (such as PK11195) for in vivo imaging contribute to the location and quantitative detection for brain injury and the study of the pathophysiological changes after cerebral ischemi-a. In addition, this receptor is promising to become a new target of neuroprotective treatment.This article reviews the recent progress in research on peripheral benzodiazepine receptors and cerebral ischemia.
10.Risk of preeclampsia and thyroid function in pregnant women with hypothyroidism
Chinese Journal of Perinatal Medicine 2017;20(2):110-114
Objective To investigate the relationship between gestational hypothyroidism and preeclampsia.Methods A retrospective study was conducted on 1 776 patients with gestational hypothyroidism,who gave birth in the International Peace Maternity & Child Health Hospital of China Welfare Institute,Shanghai Jiaotong University School of Medicine from January 2013 to December 2014.They were divided into three groups,including Improving Group (n=1 469),Progressing Group (n=133) and Remaining Group (n=174),based on their thyroid function at the first and third trimesters.Levels of thyroid hormones in the first and third trimesters were analyzed.Incidences of preeclampsia in those patients were calculated.And the correlation between thyroid function and incidence of preeclampsia was analyzed.T-test,Mann-Whitney U test,Chi-square test,variance analysis (SNK method) and Kruskal-Wallis H test or Logistic regression were performed for statistical analysis.Results (1) There were no statistical differences in age,gravidity and parity among the three groups.The pregestational body mass index in Progressing Group was lower than that in Improving group (21.1 ±2.9 vs 21.8±2.8,P<0.05).(2) In the first trimester,the level of thyroid stimulating hormone (TSH) in Remaining Group was higher than those in Improving and Progressing Groups [(4.21 ± 1.69) vs (3.77±.3.03) and (2.00±0.57) mU/L,F=27.635,P<0.01],and that in Improving Group was higher than that in Progressing Group (P<0.05).The level of free thyroxine (FT4) in Progressing Group was higher than those in Improving and Remaining Groups [(16.18±9.67) vs (14.58± 1.71) and (14.54± 1.74) pmol/L,F=16.188,P<0.01].In the third trimester,the TSH level in Remaining Group was higher than those in Improving and Progressing Groups [(5.07±0.86) vs (2.57±0.77) and (4.31 ±0.87) mU/L,F=28.986,P<0.01],while the TSH level in Improving Group was higher than that in Progressing Group (P<0.05).No statistical differences in FT4 levels (in the third trimester) and positive rates of thyroid peroxidase antibody (TPOAb) Were observed in the three groups.(3) Blood pressures (including diastolic and systolic blood pressures) in the first trimester and diastolic pressures in the third trimester showed no significant differences among the three groups.Systolic pressure of Improving Group in the third trimester was lower than that of Progressing Group [(119.4± 11.9) vs (121.8± 14.2) mmHg,P<0.05,1 mmHg=0.133 kPa].(4) The incidence of preeclampsia in Progressing Group was higher than those in Improving and Remaining Groups [7.52% (10/133) vs 1.29% (19/1 469) and 3.45% (6/174),x2=26.646,P<0.01],and the incidence in Progressing Group was higher than those in Remaining and Improving Groups (both P<0.05).The incidence of severe preeclampsia in Progressing Group was higher than that in Improving Group [6.02% (8/133) vs 0.41% (6/1 469),P<0.05].There were no significant differences in incidences of mild preeclampsia among the three groups.(5) After adjusting for age,body mass index,gravidity and parity,the risk of severe preeclampsia in Improving Group was lower than that in Remaining Group (OR=0.233,95%CI:0.057-0.946,P<0.05).Conclusions By improving thyroid function in pregnant women with hypothyroidism,the risk of preeclampsia,especially severe preeclampsia,could be reduced,which could improve maternal and neonatal outcomes.