Objective To estimate the effect of low molecular weight heparin (LMWH) combined with conventional treatment on patients with acute exacerbation of chronic obstructive pulmonary disease(AECOPD).Methods Literature on randomized control trials( RCTs) with AECOPD treated by LMWH combined with conventional methods was collected in PubMed.The studies were selected according to inclusive and exclusive criteria.The data were extracted,the quality was assessed, and meta-analysis was conducted with RevMan 5.2 software.Results There were twelve RCTs including 879 patients with AECOPD in the current study.The results of meta-analysis showed that:①LMWH could obviously improve PaO2 and PaCO2 of patients with AECOPD as compared with the control group.②There was no statistically significant difference between the LMWH-treated group and control group in the improvement of FEV1 or hematocrit.Conclusion LMWH can significantly improve arterial blood gas analysis in AECOPD, but does not improve FEV1 or hematocrit.

The Hedgehog (Hh) signaling pathway plays a crucial role in embryo development of drosophila and a variety of vertebrate including humans,via regulating cell differentiation and proliferation.Mutation of Hh and aberrant activation or overexpression of the secreted Hh signaling molecules may induce cancer.Recent studies show that Hh signaling is associatied with invasion and metastasis in multiple types of malignant tumours.The machanisms are correlated with maintaining of cancer stem cells,epithelial-mesenchymal transition ( EMT),tumor cell autocrine/paracrine signaling and promotion of tumor angiogenesis and lymphangiogenesis.The study of mechanisms how Hh signaling promotes cancer metastasis,will provide new directions for molecular diagnosis,prognosis and molecular targeted therapy of cancer.

Vascular or endoluminal stent is a stent implanted in the lesion site to support stenosis vessels based on luminal balloon expansion,to reduce vascular elasticity recoil and remoulding,and maintain blood flow patent.Some stents can also prevent vascular restenosis.Stent size,surface coverage,radial supporting,extensibility,longitudinal recoil,fatigue test,material composition,corrosion-resistance,coagulation,surface roughness and biocompatibility(blood compatibility) are performance parameters to evaluate the stents.Vascular or endoluminal stent has been widely used in arterial and venous systems and non-vessel luminal systems.The incidence of complications following stenting is 11.6%,including acute or subacute thrombogenesis,restenosis,or stent dislocation.It is commonly demonstrated that intrastent restenosis is caused by hyperblastosis.

Humans ; Hypertension ; Sympathetic Nervous System ; metabolism ; pathology

Acupuncture Points ; Acupuncture Therapy ; Adolescent ; Adult ; Aged ; Female ; Headache ; therapy ; Humans ; Male ; Middle Aged ; Young Adult

Objective To explore the effect of the standardized swallowing assessment (SSA) on extubation time for patients with nasal feeding. Methods One hundred patients with nasal feeding in our department from January 2013 to December 2014 were divided into the observation group and control group randomly with 50 in each group. The control group was treated with education on aspiratioin prevention and the right time for extubation was decided following doctor′s order. SSA was used in the observation group with weekly SSA and swallowing function, then the patients took pertinent functional exercises till a right time for extubation was decided. The two groups were compared in terms of incidences of re-intubation and aspiration pneumonia. Result The observation group had significantly lower incidences of re-intubation and aspiration pneumonia than the control one (P<0.01). Conclusions SSA is used to assess the swallowing function as well as the aspiration risks , which helps patients to take functional exercise and helps nurses to decide the right time for extubation. It can effectively lower the incidences of re-intubation and aspiration pneumonia and improve patients′prognosis.

Objective To observe the effects of menopause on prothrombotic profiles in ovariectomized rats .Methods Thirty two healthy female SD rats of 9 to 10 months were divided into 4 groups, the control shamed and the observation groups ovariectomized .Rats in the baseline group and the early menopause group were sacrificed one week later , and the control and late menopause group 10 weeks later.The prothrombotic profiles were detected including plasma FIB , ATⅢ activity, PAI-1 levels, D-D level, vWF levels and NO concentration, TXA2 and PGI2 levels.Results In early menopause, plasma FIB increased dramatically while ATⅢactivity remained lit-tle changed.PAI-1 demonstrated an increasing trend .vWF significantly increased but NO significantly decreased .In later menopausal stage, PAI-1 increased dramatically but FIB somewhat decreased .Plasma ATⅢactivity significantly increased and vWF still remained a high level.NO increased a little.In both early and later stage, TXA2 and PGI2 simultaneously increased while D -D showed little change between groups .Conclusion Menopause plays different roles in different aspects of thromoembolism , resulting in increased risk in early menopause due to prothrombotic state and decreased risk in later menopause when new balances between profiles were established .

Objective To estimate the effect of the NO on the medial amygdaloid nucleus(Me), we studied the origins of the NOS positive terminals in the Me. Methods Noergic afferent projection to Me was identified by a combined NADPH-d histochemical staning and retrograde CTb immunocytochemical method after microinjecting CTb into Me. Results The double labeled of neurons (NOS and CTb) were located in dorsal raphe nucleus, locus ceruleus, basolateral amygdaloid nucleus, parabrachial nucleus, ventrolateral part of periaqueductal gray.Conclution The NADPH-d positive terminals in the Me originates from the aforementioned nucleus, and may relate to the function of the Me.

Objective To investigate radionuclide imaging pattern with ~ 99m Tc-MDP in rat arthritis induced by collagen, and the significance of the imaging in the early diagnosis of arthritis. Methods 70 male Wistar rats were divided into normal (n=28) and model group (n=42), both groups were respectively subdivided into 7 groups according to time of treatment. Collagen induced arthritis (CIA) model was reproduced by subcutaneous injection of collagen and adjuvant. For imaging, rats were injected with ~ 99m Tc-MDP through tail vein. The technique of Radome of Interesting (ROI) was used in knee and whole bone, and R value was calculated. The concentration of radionuclide was observed and compared with arthritis index (AI), paw thickness, pathological changes and ?-ray examination. Results Rats in model group showed higher concentration of radionuclide in the knee joint (P

BACKGROUND: Quite a few deoxidized reduced form of nicotinamide-adenime dinucleotide phosphate (NADPH-d) -positive neurons distribute in amygdala complex (AMC) and gamma-aminobutyric acid(GABA)is an important inhibitory neurotransmitter that also widely distributes in the central nervous system (CNS) of mammals. Whether there is coexistence of GABA and nitricoxide synthase (NOS) in AMC is unknown at present.OBJECTIVE: To observe whether there is GABA and NADPH-d-eoexist neuron in cortical nucleus of amygdala (Co) with the combination of NADPH-d hischemical and immunohistochemical double staining.DESIGN: A verifying controlled study based on the experimental animals.SETTING: Department of anatomy of two universities MATERIALS: The study was conducted in the department of Anatomy,Medical College of Zhejiang University between May 2004 and June 2004. Six SD rats in either gender with a body mass between 250 g and 300 g were selected.INTERVENTIONS: Coronary serial frozen slices of brain tissue were prepared. 4 sets of slices were selected for Nissl staining, NADPH-d histochemical staining, NADPH-d histochemical and GABA immunohistochemical double staining, and control experiment for the test of antibody specificity. GABA-labeled neurons, NADPH-d-positive neurons, and NADPH-d/GABA double-labeled neurons were counted in Co nucleus for the calculation of the percentage of double-labeled positive neurons to single-labeled positive neurons.MAIN OUTCOME MEASURES: Distribution of NADPH-d/GABA double labeled neuron; distribution of NADPH-d or GABA single labeled neuron.RESULTS: Most of GABA-positive neurons distributed in posteromed cortical amygdaloid nucleus (PMCo), posterolateral cortical amygdaloid nucleus (PLCo), which were mainly small types but few middle types. Most of NADPH-d-positive neurons distributed in PMCo, PLCo and anterior cortical amygdaloid nucleus (Aco), which were mainly middle sized and small sized neurons. The ratio of NADPH-d/GABA double-labeled neurons to single labeled neuron was 24.5% (GABA) or 46.7% (NADPH-d).CONCLUSION: There is GABA/NADPH-d-coexist neuronsin Co of rats,which suggests NO might have modulative effect on GABA neuron in Co.