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1.
Chinese Journal of Anesthesiology ; (12): 1319-1321, 2016.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-508001

ABSTRACT

Objective To investigate the effect of wire?reinforced epidural catheters on the success rate of epidural catheterization for labor analgesia. Methods A total of 200 nulliparous parturients who re?ceived labor analgesia voluntarily, of American Society of Anesthesiologists physical status Ⅰ or Ⅱ, aged 20-45 yr, with body mass index<35 kg∕m2, were divided into 2 groups (n=100 each) using a random number table: common catheter group ( group Ⅰ) and reinforced catheter group ( group Ⅱ) . After suc?cessful epidural puncture, the corresponding catheter was inserted inⅠandⅡgroups. The development of difficult insertion, intravascular catheter insertion or paresthesia during insertion was defined as a failure of epidural catheterization. The occurrence of the failure of epidural catheterization was recorded. Results Compared with group Ⅰ, the failure rate of epidural catheterization was significantly decreased in groupⅡ( P<0.05) . Conclusion Wire?reinforced epidural catheters can raise the success rate of epidural catheter?ization for labor analgesia.

2.
Chinese Journal of Trauma ; (12): 877-880, 2014.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-469529

ABSTRACT

Objective To assess the effect of hybrid debranching technique in treatment of patients with traumatic aortic arch rupture combined with pseudoaneurysm.Methods Clinical data of 3 patients with traumatic aortic arch rupture combined with pseudoaneurysm repaired using debranching technique from June 2011 to June 2013 were analyzed to determine their clinical features and treatment options.Hypersound or computed tomography angiography (CTA) was performed to confirm the therapeutic effects at postoperative 1 week,3,6,and 12 months as well as annually thereafter.Results All patients underwent operation uneventfully.Operation time was 6.8-10.5 hours (mean,7.6 hours) and intraoperative blood loss was 250-450 ml (mean,310 ml).Length of stay was 26-45 days (mean,32 days).There were no deaths at the 0.5-2 years of follow-up.Hypersound or CTA revealed no leakage of contrast medium after operation.Conclusion Hybrid debranching technique greatly reduces surgical trauma and provides satisfactory outcome and good function recovery.

3.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-418916

ABSTRACT

ObjectiveTo explore the effects of different doses of PcTx1,a specific blocker of acid-sensing ion channel 1a,on global cerebral ischemia/repedfusion (I/R) injury in rats,MethodsSixty adult male Sprague Dawley rats (weighing 250-300 g) were randomly divided into 6 grups ( n =10 each):sham operation group (group S),I/R group,different doses of PcTx1 ( 10 ng/ml,group P1 ; 25 ng/ml,group P2 ; 50 ng/ml,group P3 ;and 500 ng/ml,group P4 ) groups.Global cerebral ischemia was induced by the modified procedure of Pulsinelli 4-vessel occlusion.In groups P1,P2,P3 and P4,different doses of PcTx1 ( 10,25,50 and 500 ng/ml),6 μl each,were respectively injected into the lateral cerebral ventricle at the initiation of reperfusion,while equal volume of double distilled water was injected instead in group I/R.Six rats in each group were sacrificed at 24 h of reperfusion,and the brains were immediately removed,Thereafter,the contents of malondialdehyde (MDA),reduced glutathione (GSH) and ritric oxide (NO),the activities of constitutive NO synthase (eNOS) snd inducible NO synthase (iNOS) were detected in hippocampus.Four rats in each group were sacrificed at 72 h of reperfusion,and hematoxylin and eosin staining was used to observe the pathomorphological changes of the hippocampal neurons.ResultsCompared with group S,the other groups showed decreases in the contents of GSH,while increases in the contents of MDA and NO and the activities of cNOS and iNOS ( P < 0.05 or 0.01 ).The contents of GSH increased,while the contents of MDA and NO and the activities of cNOS and iNOS decreased in groups P2,P3 and P4 compared with group I/R ( P < 0.05 or 0.01).Compared with group P1,the contents of GSH increased,the contents of MDA and the activities of cNOS decreased in groups P2,P3 and P4,and the contents of NO and the activities of iNOS decreased in groups P3 and P4 ( P < 0.05 or 0.01 ).Compared with group P2,the activities of iNOS decreased in groups P3 and P4(P < 0.05 or 0.01).The damage to neurons in hippocampal CAI was severe in groups I/R and P1,but it was attenuated in groups P3 and P4.ConclusionPcTx1 25,50 and 500 ng/ml (6 μl)injected into lateral cerebral ventricle can attenuate global cerebral I/R injury in rats,and the dose 50 ng/ml (6 μl) is more suitable.

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