Objective To assess atrophy of the multifidus in elderly patients with low back pain using magnetic resonance imaging.Methods Thirty patients with low back pain were recruited,and 15 healthy subjects formed a normal group.The cross sectional area (CSA) and signal strength of the multifidus muscles at the L4-5 and L5-S1 levels were measured along with the signal strength of the hip fat for all of the subjects in both groups using a superconducting magnetic scanner.Results There was no statistically significant CSA difference between the groups at either level.The contrast between multifidus muscle and adipose tissue was significantly different between the groups at both levels.Conclusion In evaluating atrophy of the multifidus muscle in elderly patients with low back pain,the contrast between multifidus muscle and adipose tissue at either level L4-5 or L5-S1 can be used for assessment.It is more reliable,specific and sensitive than the CSA of the muscle.

Climacteric syndrome is a common clinical disease with high incidence.The understanding of the disease is progressing in recent years.This article collects thirty-seven documents in this field in recent eight years.The pathogenesis of climacteric syndrome is divided into two aspects as the deficiency of the kidney and the imbalance of the liver, the spleen and the heart.It also sums up the therapy of climacteric syndrome from this two aspects.At last, the authors propose that we should pay attention to the importance of the liver, the spleen and the heart in both the pathogenesis and the therapy.

ObjectiveTo explore the change of the concentration of monoamine neurotransmitters in serum in patients with post stroke depression(PSD).Methods85 patients with acute stroke were screened by Center for Epidemiological Survey,Depression Scale(CES-D) and assessed by Hamilton Depression Scale(HAMD).A clinical diagnostic of depression was made based on Diagnostic and Statistical Mannal of Mental Disorders,edition 4(DSM-Ⅳ).There were 34 patients who involved with depression(PSD group), the others(51 cases) not(no depression group).Other 20 normal persons were chosen as a control(control group). In all patients and control subjects, the concentrations of monoamine neurotransmitters in serum was measured.ResultsThe concentration of monoamine neurotransmitters in serum was significantly lower in patients with post stroke depression.ConclusionsPost stroke depression is related to decrease of concentrations of monoamine neurotransmitters in serum.

0.05). 73.96% of eczema were taken place at the age of 1～6 months, 13.02% were at the age of 6 months to 2 years, and 13.61% were at the age of 2～3 years. The incidence of eczema is also relevant to feeding patterns, which is 62.23%, 23.08% and 14.79% respectively by breast-feeding, mixed feeding and artificial feeding. Some other factors that relevant to the onset of eczema also have been found in the study, such as constitution, weather, genetic background, and so on. Conclusion Feeding pattern, genetic background and some other factors were relevant to the onset of eczema.

ObjectiveTo investigate the effect of remifentanil on hepatic ischemia-reperfusion (I/R) injury in rats with liver cirrhosis.MethodsThirty male SD rats weighing 260-300 g were randomly divided into 3 groups (n =10 each):group liver cirrhosis (group C); group liver cirrhosis + hepatic I/R (group I/R) and group remifentanil (group R).Liver cirrhosis was produced in all animals in the 3 goups.I/R injury was induced by 20 min occlusion of the hepatic artery and portal vein entering the middle and left lobes of the liver followed by 4 h reperfusion at 1 week after establishment of hepatic cirrhosis in I/R and R groups.In group R remifentanil was infused iv at 1 μg·kg-1 ·min-1 starting from 10 min before ischemia until the end of 4 h reperfusion.Venous blood samples were taken from inferior vena cava at the end of 4 h reperfusion for measurement of serum ALT and AST activities.The animals were then sacrificed and liver specimens were taken from middle lobe for determination of Bcl-2 and Bax expression (by immuno-histochemistry) and hepatocyte apoptosis (by TUNEL) and microscopic examination.Apoptosis index (percentage of apoptotic cells) was calculated.ResultsI/R significantly increased serum ALT and AST activities,Bax expression and apoptosis index and decreased Bcl-2 expression in group I/R as compared with group C.Remifentanil significantly attenuated the I/R-induced changes in serum ALT and AST activities,Bax and Bcl-2 expression and apoptosis in group R as compared with group I/R.Remifentanil also ameliorated I/R-induced liver damage.ConclusionRemifentanil can auenuate hepatic I/R injury in rats with liver cirrhosis by up-regulating Bcl-2 expression and down-regulating Bax expression and inhibiting apoptosis.

Objective To investigate the effect of local insulin injection on neurological function after crushed injury of facial nerve in rats. Methods Facial nerve was crushing injured in 30 Sprague-Dawley rats, from which 20 selected rats were divided into treatment group (n=10) and control group (n=10). The treatment group was injected with insulin 250 ng/kg at innervated muscle, and the control group was injected with normal saline. They were assessed with neurologic deficit score everyday within 7 days after injection, and the regeneration of nerve fiber was observed with retrograde fluorogold labeling. Results Compared with that in the control group, the neurological deficit score was improved more 5~7 days after injection in the treatment group, and the count of fluorogold labeling cells increased more in the treatment group. Conclusion Local injection of insulin can promote the recovery of neurological function after crushed injury of facial nerve.

Objective To study the proliferation,collagen production and related gene expression in keloids and normal skin fibroblast.Methods Isolated primary cells of keloid fibroblasts (KFb,n=12) and normal human dermal fibroblasts (NFb,n=12) were identified,the cell viability and proliferating potential and the cell cycle were detected,and the difference on the collagen synthesis between KFb and NFb were compared.The expression of cell cycle-associated genes such as p21,p16,and p27 was dectected by real-time fluorescent quantitative PCR.Results The phase contrast optical microscopy imaging showed that both KFb isolated from keloid tissues and NFb from normal skin tissues possessed classic and similar fibroblast morphology.But there was a significant difference between cell proliferation,Hyp [(2.30±0.10) μg/ml vs.(1.66±0.13) μg/ml,P＜0.05] and collagen levels [(17.19±0.75) μg/ml vs.(12.37±0.94) μg/ml,P＜0.05].Compared with NFb,KFb exhibited more percentage of G2/M phase cells [(5.90±0.62)％ vs.(16.94 ％±1.93)％,P＜0.05]and less percentage of G0/G1 phase cells [(90.24 ±2.27)％ vs.(75.65±1.92)％,P＜0.05].Cell cycle related genes p16,p21 and p27 were low expressed.Collagen type Ⅰ was highly expressed at mRNA levels in KFb than that in NFb [0.84±0.11,1.32±0.2,1.69±0.12,4.33±0.27 in KFb vs.1.43±0.13,2.56±0.26,2.89±0.37,1.40±0.12 in NFb,P＜0.05].Conclusions There are cell dysfunction and abnormal cellular dynamics in keloid fibroblasts.The formation of keloid likely involves aberrant interactions of some genes that affected its development at different extents.

Objective To discuss the distribution laws of TCM syndromes of early threatened abortion; To analyze the related factors of pregnancy outcome of early threatened abortion. Methods The study included 1010 hospital patients who were diagnosed as early threatened abortion. Excel2010 was used to establish database in order to collect general information such as the age, menstrual history, times of abortion and adverse pregnancy, incidence of solar term and pregnancy week, the type of TCM syndromes and the pregnancy outcome (at least 3 months after being out of hospital) of patients. The distribution laws of TCM syndromes, and related factors of pregnancy outcome were analyzed. Results Among the 1010 cases, 762 cases were with kidney deficiency syndrome (75.4%); followed by blood heat syndrome, a total of 178 cases, accounting for 17.6%; qi and blood deficiency syndrome, a total of 40 cases, accounting for 4%; blood stasis syndrome, a total of 15 cases, accounting for 1.5%; liver stagnation syndrome, a total of 15 cases, accounting for 1.5%. The distribution of TCM syndromes was statistical significance in the different age groups and the incidence of pregnancy week (P<0.01). But there was no statistical significance in menstrual history, times of abortion, times of adverse pregnancy, and the incidence of solar term (P>0.05). Among the 1010 cases, follow-up to 698 cases, 567 cases were successful pregnancies, accounting for 81.2% of the follow-up of patients; 131 cases were failed pregnancies, accounting for 18.8% of the follow-up of patients. In the study, it found that there was statistical significance between different age groups and pregnancy outcomes (P=0.026). The pregnancy outcomes were related to the age groups (P=0.012, OR=1.063), and it was not related to TCM syndromes, times of abortion, times of adverse pregnancy, menstruation, pregnancy week. Conclusion Kidney deficiency syndrome is the main syndrome of early threatened abortion. The distribution of TCM syndromes is related to the age group and the incidence of pregnancy week of patients. Age of patients is the related factor affecting the pregnancy outcome.

Objective To analyze the reasons of non-planned decannulation (NPD) of peripheraly inserted central catheter (PICC) and explore the applicable prevention strategies.Methods We retrospectively analyzed the clinical data of 432 patients who underwent PICC cannulations maintenance between July 2005 and June 2008.The reasons of 26 cases of NPD were analyzed.Results The main reasons of NPD included cannulation occlusion,cannulation ectopia or translocation,cannulation exfoliation,cannulation-related infections,mechanical phlebitis,and thrombus formation.The complications usually were caused by the poor cannulation material,incorrect fixation,top of canuulation not reaching superior vena cava,lack of management measures for outpatients,accidents,and others.Effective measures for preventing NPD included:use silica gel cannulation;ensure the top of canuulation reach the superior vena cava;and improve the communications between outpatients and nurses.Conclusion NPD of PICC may be caused by various reasons and effective prevention measures should be taken.