Humans ; Infant, Low Birth Weight ; Infant, Newborn ; Infant, Premature ; Infant, Premature, Diseases ; diagnosis ; prevention & control ; therapy ; Intracranial Hemorrhages ; diagnosis ; prevention & control ; therapy ; Phenobarbital ; therapeutic use

Objective To find out the optimum extraction process for Weiweining pill. Methods The extraction process was studied by uniform design with the yield of extracted Paeoniflorin, n-butanol extract and ethyl acetate extract as markers. Results The optimum extraction process was adding 16 times amont of 60% alcohol, refluxing and extracting for 2 times, 65 min for each time. Conclusion This extraction process shows good stability and is available for the production of Weiweining pill.

BACKGROUND: Compared with artificial intervertebral disc replacement,prothetic nucleus replacement is easier to perform with fewer risks and requiting smaller incision.OBJECTIVE: To evaluate the effect of prosthetic disc nucleus replacement for treatment of lumbar disc herniation.DESIGN: A self-controlled trial.SETTING: Department of Orthopaedics, Zhujiang Hospital, Southern Medical University.PARTICIPANTS: Thirty-three patients including 21 male and 12 female patients with lumbar disc herniation received prosthetic disc nucleus replacement in Zhujiang Hospital of Southern Medical University from January 2002 to October 2003.METHODS: All the patients received prosthetic lumbar nucleus replacement and 3 weeks after the operation, X-ray examination was performed for observing the height and morphology of the intervertebral space. All the patients were followed up for 8 months and the therapeutic effects were assessed in a four-grade system(excellent, good, improved, poor). MAIN OUTCOME MEASURES: The change in the symptoms of low-back pain and the range of movement (ROM) of the lumbar spine.RESULTS: According to the intention-to-treat analysis, none of the 33 patients was lost to the analysis. During the follow-up, 29 patients had excellent, 3 good, and 1 poor outcome in terms of the symptoms of low-back pain and ROM of the lumbar spine, with a total rate of good outcome of 96. 97%(32/33) . X-ray examination in the 3rd month revealed normal size of the intervertebral space in 29 cases, and increased but still narrowed intervertebral space in 3 cases. No aggravation of retrograde changes was found in the adjacent segments.CONCLUSION: Prosthetic disc nucleus replacement can effectively relieve low-back pain in lumbar disc herniation, restore the spinal movement and decrease retrograde changes of adjacent intervertebral space and articular process.

Objective To evaluate the effects of dexmedetomidine used to supplement analgesia with sufentanil on the stress response and inflammatory response after cardiac valve replacement with cardiopulmonary bypass (CPB).Methods Forty-four patients of both sexes,aged 18-64 yr,with body mass index of 18-30 kg/m2,of American Society of Anesthesiologists physical status Ⅱ or Ⅲ (New York Heart Association Ⅱ or Ⅲ),scheduled for elective cardiac valve replacement with CPB,were randomly divided into sufentanil analgesia group (group S,n =20) and dexmedetomidine supplementing sufentanil analgesia group (group DS,n=24) using a random number table.After induction of general anesthesia,the patients were endotracheally intubated and mechanically ventilated.Combined intravenous-inhalational anesthesia was used to maintain anesthesia.Dexmedetomidine was infused at 0.3 μg · kg-1 · h-1 from closure of the chest to the end of surgery in group DS,while the equal volume of normal saline was given instead in group S.The patient-controlled intravenous analgesia (PCIA) was used for postoperative analgesia.PCIA solution contained sufentanil 2 μg/kg in 100 ml of normal saline in group S,or sufentanil 2 μg/kg plus dexmedetomidine 3 μg/kg in 100 ml of normal saline in group DS.The PCIA pump was set up with a 0.5 ml bolus dose,a 5 min lockout interval and background infusion at a rate of 1.5 ml/h.Visual analogue scale score was maintained ≤ 3.When visual analogue scale score ≥ 4,morphine 0.1 mg/kg was injected intravenously.The occurrence of analgesics-related respiratory depression,bradycardia and hypotension was recorded.At the end of surgery (T0),and 12,24,48 and 72 h after surgery (T1-4),blood samples were collected from the central vein for determination of serum cortisol,β-endorphin,C-reactive protein,interleukin-2 (IL-2),and IL-6 concentrations by enzyme-linked immunosorbent assay.Results No analgesics-related adverse events were detected in the two groups.Compared with group S,the requirement for morphine was significantly decreased,the serum cortisol concentration was decreased at T2-4 and the serum β-endorphin,C-reactive protein concentrations were decreased at T1-4,the serum IL-2 concentrations were increased at T1-4,and the serum IL-6 concentrations were increased at T3 in group DS (P＜0.05).Conclusion Dexmedetomidine used to supplement analgesia with sufentanil can alleviate the stress response and inflammatory response after cardiac valve replacement with CPB.

OBJECTIVE To investigate the phylogenetic analysis of Acinetobacter baumannii strains in elderly.METHODS The 33 kinds resistant genes were detected by PCR and cluster analysis.RESULTS The positive rates of AmpC(chromosome type),TEM and PER were 85%,55% and 25%,respectively.The positive rates of aac(3)-Ⅰ,ant(3″)-Ⅰ,aac(3)-Ⅱ,aac(6′)-Ⅰb and armA were 95%,95%,40%,15% and 35%,respectively.The positive rate of qacE△1-sul1 was 75%.There were very high positive percentages of AmpC(chromosome type),TEM,PER,aac(3)-Ⅰ,ant(3″)-Ⅰ,armA and qacE△1-sul1 genes in A.baumannii isolates among elderly.There were clones transmitted phenomenon.CONCLUSIONS The resistance phenotype of A.baumannii isolates among elderly is in accordance with genetic testing.A.baumannii can induce clones transmitted hospital infection.

Objective To evaluate the safety and efficacy of infliximab (IFX) combined with conventional therapy in the treatment of Crohn's disease (CD) with incomplete intestinal obstruction.Methods From 2007 to 2013,22 cases of CD with incomplete intestinal obstruction were enrolled and were divided into IFX treatment group and conventional therapy group,each 11 cases.In conventional therapy group,patients were fasting or liquid food intake,received conventional therapy such as anti-infection and fluid supplement therapy to maintain water and electrolyte balance,long-term oral mesalazine,metacortandracin and imuran.In IFX treatment group,on the basis of conventional therapy patients received intravenous IFX 5 mg/kg at the 2nd,6th,14th,22nd and 30th week after admission.Regular blood test,liver function,erythrocyte sedimentation rate (ESR),C reaction protein (CRP) and CD active index (CDAI) of two groups were compared before and after treatment.Patients underwent endoscopy examination on admission day and the 30th week after treatment to evaluate the efficacy.The side effects were recorded during the period of treatment.The t test and Chi squaretest were used for comparison between groups.Results Compared with conventional therapy group,the average intestinal obstruction remission time of IFX treatment group shortened ((10.53±1.28) day vs (16.82±1.97) day) and the difference was statistically significant (t =2.985,P＜0.05).At the end of 30th week after treatment,clinical total effective rate of IFX treatment group and conventional therapy group was 9/11 and 7/11 (x2 ＝22.35,P＜0.05).Under endoscopy,total effective rate of these two groups was 7/11 and 5/11 (x2＝21.93,P＜0.05).At the end of 30th week after treatment,ESR,CRP and CDAI of IFX treatment group ((11.4±7.5) mm/1 h,(13.2±6.6) mg/L and 125.4±26.9) were all significantly lower than those on admission day ((31.3±5.7) mm/1 h,(45.3±7.6) mg/L and 240.5±35.2) (t=2.650,3.022,2.719,all P＜0.05).No serious side effects were observed in IFX treatment group and conventional therapy group during the treatment period.Conclusion For CD patients with incomplete intestinal obstruction,on the basis of conventional therapy,the addition of IFX could achieved better efficacy than conventional therapy alone.

ObjectiveTo investigate the effect of low frequency stimulation on motor function of stroke patients.Methods50 stroke patients were randomly divided into control group and treatment group with 25 cases in each group. Patients of control group received neuromedical and Bobath technical treatment; cases of treatment group received low frequency stimulation besides the above two methods. All patients were assessed respectively with the Fugl-Meyer Assessment and Clinical Nerve Function Impaired Scale at the admission and on 20 days after treatment.ResultsThe motor functions of both groups were improved (P<0.05). But the recovery of treatment group was superior to the control group (P<0.05).ConclusionLow frequency stimulation can promote the stroke patients' motor function recovery.

Objective To investigate the effect of angiotensin Ⅱ(Ang Ⅱ)on the expression of integrin-linked kinase(ILK)in rat glomerular mesangial cells.Methods SD rat glomerular mesangial cells were separated and cultured.They were treated with 10-7 mol/L Ang Ⅱ in various time-point(0,12,24,48,72 h),and then cultured rat glomerular mesangial cells were treated 48 h with Ang Ⅱ in various concentration(0,10-11,10-9,10-7,10-5 mol/L).Then total protein expression in rat glomerular mesangial cells stimulated by Ang Ⅱ at every time-point and every concentration-point was extracted.The expression of ILK protein was measured by Western blot.Results 1.Expression of ILK protein in rat glomerular cells stimulated by Ang Ⅱ in various time-point,or various concentration was significantly increased.In group of 10-7 mol/L Ang Ⅱstimulated cells,the protein semiquantity of ILK at 0,12,24,48,72 h respectively was 0.18?0.02,0.37?0.07,0.90?0.10,1.73?0.12,and 1.72?0.13(F=166.78 P

Objective To study the application of multi-slice spiral CT(MSCT) portography in diagnonsis of pancreatic portal hypertension. Methods Forty-seven patients with lesion in body or tail of pancrease,47 normal subjects and 126 patients with portal hypertension underwent MSCT portography with LightSpeed 16 CT scanner. The inner diameter of portal system and the main collateral veins were measured in maximun intensity projection (MIP) image. The volume of liver and spleen were also measured in volume rendering (VR) image. The liver parenchyma and main portal vein enhancement in portal vein phase were also taken. The endoscopy examination was made in 57 patiens with portal hypertension. Results In 47 patiens with lesion in body or tail of pancreas , stenosis or occlusion of spleen vein were found in 38 patients(pancreatic portal hypertension in 27 patients, chronic and acute pancreatitis in 11 patients). In 38 patients with pancreatic portal hypertension, esophageal varices was found in 5 patients(13.2%), gastric fundus varix in 25 patients (65.8%), gastric body variees in 22 patients (57.9%), short-gastric vein/post-gastric vein(SGV/PGV) in 26 patients (68.4%), coronal gastric vein in 26 patients (68.4%),dilated gasto-omenta vein in 24 patients(63.2%), mesenterica varicesin 1 patient, splenic vein occlusion in 14 patients (36.8%), splenic vein stenosis in 23 patinets(63.2%). Conclusions The patients with pancreatic portal hypertension were demonstrate characteristic changes in MSCT portography. The MSCT portography is helpful in etiological diagnosis of pancreatic portal hypertension by supplying images in vessel morphology.

Objective To investigated to implement condition of preventive measure and control effect for endemic fluorosis in Fengshun County from 2005 to 2006.Methods It was investigated according to the National Surveillance Program of Endemic Fluorosis.Hupo,Daizai and Anquan Villages of Tangxi Town in Fengshun County were selected as monitoring spots.The usage of reforming water facilities,fluoride content in drinking water and urine of children aged 8-12 years and the prevalence rate of dental fluorosis of children were investigated.Resul tsin 2005 and 2006.a total of 18 reforming water facilities were surveyed and six of which were damaged or out of service.In 2005,the fluoride content in drinking water in the 3 villages was 2.10,1.22 and 0.15 mg/L The prevalence rate of dental fluorosis of children aged 8-12 years was 54.23%(64/118),38.91%(79/203) and 9.10%(6/66).The urine fluoride content of children was 0.95,0.90 and 1.05 mg/L,respectively.In 2006,the fluoride content in drinking water in Hupo,Daizai and Anquan Village was 2.01,1.57 and 0.21 mg/L.The prevalence rate of dental fluorosis of children aged 8-12 years was 26.47%(27/102),12.50%(23/184)and 6.15%(4/65),respectively.The urine fluoride content of children was 0.97,0.61 and 0.59 mg/L.Conclusions The outcome of surveillance data in Fengshun County has reached the sanle level as that of non-disease area.However,the management of reforming water facilities should be improved.