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Objective To establish a method for determinning quetiapine in human hair by HPLC.Methods A reverse phase HPLC system was performed on Inertsil ODS-C18 column (4.6 mm ×150 mm,5μm)with the mobile phase consisted of 0.01 mol/Lammonioum-methanol(32︰68).The flow rate was 1.0 mL/min,column temperature was 40℃,the detection wavelength was 254 nm.N-hexane was used as extracting solvent.Results The calibration curve was linear in the range of 5-200 ng/mg.for quetiapine.The recovery of extraction >75.0%, the recovery of method was between 95.0% and 105.0%, the intra-day and inter-day precision were all no more than 10.0%.This method met the requirements of biological samples. Conclusion A HPLC method of concentration of quetiapine in human hair is established, which is simple,sensitive,accurate and has a certain value.
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Objective To investigate changes of serum proteins and related enzymes in patients with schizophrenia and its relationship to metabolic syndrome.Methods Five hundred and three inpatients with schizophrenia and 60 healthy volunteer were selected in this study.The demographic information and medical history data of them were recorded and levels of serum proteins and enzymes were measured,and the metabolic syndrome (MS) was diagnosed according to IDF criteria.Results Serum protein contents of schizophrenic patients (total protein (71.14 ±6.13) g/L,albumin (44.56 ±4.24)g/L,globulin(26.35 ±5.04) g/L,apoprotein A(10.97 ± 0.27) g/L,and apoprotein B (0.69 ± 0.25) g/L) were significantly lower than control group (79.96 ± 6.10) g/L,(49.44 ±5.63) g/L,(30.52 ±4.00) g/L,(10.97 ±0.27) g/L,and(0.69 ±0.25)g/L (P＜0.01).Urea nitrogen ((4.36± 1.36) mmol/L) was lower than control group ((5.22 ± 1.31) mmol/L) and C-reaction protein ((3.17 ± 6.58) mg/L) was higher than control group (1.35 ± 1.83) (P ＜ 0.01).Alanine aminotransferase ((24.28 ± 32.76) IU/L),a-L Fucosidase((17.49 ± 4.83) U/L),adenosine dehydrogenase((17.81 ± 5.67) U/L),and creatine kinase isoenzyme((10.50 ±4.92)IU/L) were higher than control group (18.12 ±9.77)IU/L,(15.98 ± 3.58)U/L,(11.75 ±5.48) U/L,and (9.12 ±3.62)IU/L,P＜0.01),but AST isoenzyme ((5.97 ±4.97) U/L)was lower than control group ((7.05 ± 6.72) U/L).Alanine Aminotransferase,alkaline phosphatase,γ-glutamyl transpeptidase,and a-L Fucosidase,AST isoenzyme and cystatin-c of schizophrenic patients with MS were significantly higher than non-MS patients(P ＜ 0.05).Conclusion There are significant metabolic disorders of proteins and enzymes in patients with schizophrenia,and abnormal changes of many enzymes are significantly associated with metabolic syndrome.
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ObjectiveTo investigate prevalence of metabolic syndrome (MS) and related factors in patients with schizophrenia.MethodsFive hundred and three inpatients with schizophrenia and 60 healthy volunteers were included in this study.The demographic information and medical data of these participants were recorded,and their physiological and biochemical parameters were measured,the MS was diagnosed according to CDand IDF criteria.ResultsThe MS prevalence in patients with schizophrenia was 12.1％ according to CDS criteria and 28.4％ based on IDF standard,significantly higher than control group; the prevalence of MS was higher among female patients ( 15.3％ or 39.8％ ) than male patients ( 10.4％ or 22.4％ ) ; the prevalence of MS was higher among patients aged 40 or over ( 14.3％ or 30.9％ ) than patients aged 40 below (6.4％ or 22.1％ ).Dyslipidaemia (elevated TG and reduced HDL-C),obesity (BMI and waist) and increased blood glucose were the most important risk factors ( OR value ＞ 6.0),increased total cholesterol,high blood pressure,elevated LDL-C,increased uric acid,female,in marriage,and paranoid type were also important risk factors (OR value ＞ 2.0).Stepwise discriminate analysis showed triglyceride (0.569),BMI (0.451 ),HDL-C ( -0.298 ),gender (0.297 ),age (0.294)and LDL-C (0.210) 6 factors had a separate identification role in MS.ConclusionThe prevalence of MS in patients with schizophrenia in significantly higher than that in the general population,females are higher than males in the patients with patients,and older patients are higher than younger patients.Dyslipidemia,obesity and elevated blood glucose are the most important risk factors and predictors of the MS.