2.Effect of Stellate Ganglion Block on Bilateral Regional Cerebral Oxygen Saturation and Postoperative Cognitive Function.
Yuan ZHANG ; Yanning QIAN ; Hongguang BAO ; Hongwei SHI ; Jianwei ZHOU
Journal of Biomedical Engineering 2016;33(1):132-135
The present study was to examine the effect of stellate ganglion block (SGB) on bilateral regional cerebral oxygen saturation (rSO2) and postoperative cognitive function. Eighty patients undergoing selective coronary artery bypass graft with cardiopulmonary bypass (CPB) were randomly and equally divided into two groups. The patients in group S were given right SGB with ropivacaine, while the patients in group C were injected with normal saline. We compared the bilateral rSO2 after SGB. Minimum Mental State Examination (MMSE), Visual Verbal Learning Test (VVLT), and Digital Span Test (DST) were applied to observe the effect on cognitive function. We found that the incidence of postoperative cognitive dysfunction (POCD) 7 days after surgery in group S was lower than that in group C. The level of blocked side rSO₂ of S group were significantly higher before CPB time of rewarming than that before SGB (P < 0.05), much higher than corresponding non-blocked side rSO₂ before CPB (P < 0.05), and much higher than rSO₂ level in group C before CPB and after CPB (P < 0.05). The non-blocked side rSO₂ in group S before anesthesia were much lower than basic levels and those in group C (P < 0.05). It could be concluded from the above results that there was significant increase in the blocked-side rSO₂ compared to the non-blocked side and there was significant decrease in the incidence of POCD compared to the control group after SGB.
Autonomic Nerve Block
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adverse effects
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Cardiopulmonary Bypass
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adverse effects
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Cerebrum
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physiology
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Cognition
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Cognition Disorders
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Coronary Artery Bypass
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adverse effects
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Humans
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Incidence
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Oxygen
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physiology
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Oxygen Consumption
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Postoperative Complications
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Stellate Ganglion
3.Evaluation of the effects of carbon dioxide pneumoperitoneum on cardiovascular system with arterial pressure waveform analysis
Haiyan WEI ; Yuan ZHANG ; Hongwei SHI ; Hongguang BAO
Chinese Journal of Postgraduates of Medicine 2011;34(3):7-10
Objective Toinvestigate the effects of carbon dioxide pneumoperitoneum on cardiovascular system by making use of arterial pressure waveform analysis( FloTrac/Vigileo system) to observe the change of heart function of patients undergoing laparoscopy cholecystotomy. Methods Forty patients scheduled for elective laparoscopy cholecystotomy were divided into two groups with 20 cases each by random sampling.Ventilatory capacity was fixed (tidal volume was 10 ml/kg, frequency was 12 times/min) in group A and adjusted to keep arterial carbon dioxide tension (PaCO2) and end expiration carbon dioxide tension(PETCO2)in normal range in group B. The parameters, such as mean arterial pressure (MAP), cardiac output(CO),stroke volume (SV), stroke volume variability (SVV), heart rate(HR), pulse oxygen saturation (SpO2),PETCO2, PaCO2 were recorded and analyzed. Results In group A:HR,MAP,CI,SVV,PaCO2 and PETCO2 were increased at 10,30 min after pneumoperitoneum (P <0.05 or <0.01),there was no significant difference in SVV between the end of pneumoperitoneum and 5 min after intubation [(8 ±2)% vs. (9 ±3 )%](P> 0.05 ) ,but HR, MAP, CI,SVI,PaCO2 and PETCO2 increased significantly (P< 0.05 or < 0.01 ). In group B: HR, MAP, CI, SVI, PaCO2 and PETCO2 at 10,30 min after pneumoperitoneum were no changes (P >0.05 ), SVV was higher than that at 5 min after intubation (P < 0.01 ), there was no significant difference in SVV between the end of pneumoperitoneum and 5 ain after intubation [(9 ± 2)% vs. ( 10 ± 2)%] (P >0.05 ). HR, CI, SVI, PaCO2, PETCO2 at 30 min after pneumoperitoneum and the end of pneumoperitoneun were significantly higher in group A than those in group B (P < 0.05 or < 0.01 ). Conclusions During carbon dioxide pneumoperitoneum, hypercapnia can increase MAP, HR, CO,SV significantly, and intra abdominal pressure can decrease preload by hindering the reflow of inferior vena cava and abdominal viscera veins. Arterial pressure waveform analysis can promptly reflect the effects of carbon dioxide pneumoperitoneum on cardiovascular system and be in favour of adjusting the respiration parameters and managing transfusion in laparoscopic surgery.
4.mRNA expression change of myelin gene in hippocampus following cerebral ischemia
Ying-Zhu CHEN ; Huan BAO ; Ye TIAN ; Shi-Yao BAO ; Jun XU ; Cheng-Lin YUAN ;
Chinese Journal of Emergency Medicine 2006;0(09):-
Objective To study the mRNA expression of myelin basic protein (MBP) and myelin oligodendregha glyeoprotein (MOG) in hippocampus of rats following global brain ischemia.Method The four- vessel occlusion animal model in the Sprague-Dawley rats was used in this study.The mRNA expression levels of MBP and MOG in the hippocampus of rats were analyzed by reverse transcription polymerase chain reaction (RT- PCR) at day 2,4,7,14 and 28 days after global brain ischemia.There were eight rats at each time-point and sham operated group.Results The mRNA expression of both MBP and MOG in hippocampus of rats decreased at 2 days after global brain ischemia.The gene expression of myelin gene decreased significantly at 7 days and it reached to the lowest level at 28 days.Compared with sham operated group,the gene expression of MBP and MOG in hippocampus of rats decreased significantly at 7,14 and 28 days after global brain ischemia (P
5.Development and usage of the along-meridian treatment instrument.
Chinese Acupuncture & Moxibustion 2009;29(4):337-338
The points stimulated by output pulse of the electroacupuncture instrument are fixed, and this stimulation model makes Deqi sense of the distal point unable to reach the affected parts, only limiting around the point for most patients, so the therapeutic effects are influenced to a certain extent. From design, usage and other aspects, it is described that joint the output conducting wires to the acupuncture needles from the distal point to the proximal point in turn. When the output ports of the electroacupuncture instrument export the pulse wave one port by one port, the sense of Deqi of the patient propagates towards the affected area one point by one point. Finally, the sense of Deqi of the patient propagates and reaches to the affected area. The along-meridian treatment instrument overcomes the shortcomings of the existing electroacupuncture instrument, and obviously increases therapeutic effects.
Electroacupuncture
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instrumentation
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methods
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Equipment Design
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Humans
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Meridians
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Treatment Outcome
6.Effects of ultrasound-guided stellate ganglion block on cerebral oxygen metabolism and postoperative cognitive dysfunction in the elderly.
Yuan ZHANG ; Hao CHENG ; Chenjie XU ; Hongguang BAO ; Hongwei SHI ; Yali GE ; Haiyan WEI
Journal of Biomedical Engineering 2014;31(5):1107-1110
To observe the effects of ultrasound-guided stellate ganglion block (SGB) on cerebral oxygen metabolism and postoperative cognitive dysfunction (POCD) of elderly patients, we collected 80 elderly patients undergoing selective coronary artery bypass graft under cardiopulmonary bypass. The Mini Mental State Examination (MMSE) was applied to test the cognitive function. The SjvO2, Da-jvO2 and CEO2 were used for the analysis of the cerebral oxygen metabolism. We found that POCD was related to disequilibrium of cerebral oxygen metabolism. Ultrasound-guided SGB before surgery reduced the incidence of POCD because of the improvement of cerebral oxygen metabolism.
Aged
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Autonomic Nerve Block
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Cardiopulmonary Bypass
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Cognition Disorders
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prevention & control
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Coronary Artery Bypass
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Humans
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Neuropsychological Tests
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Oxygen Consumption
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Postoperative Complications
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Stellate Ganglion
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diagnostic imaging
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Ultrasonography
7.A case of infantile neuroaxonal dystrophy.
Ye WU ; Ying SHI ; Yun YUAN ; Xin-hua BAO ; Jiong QIN
Chinese Journal of Pediatrics 2004;42(10):796-796
8.Study on traceability system of genuine medicinal materials.
Bao-Sheng LIAO ; Jing-Yuan SONG ; Cai-Xiang XIE ; Jian-Ping HAN ; Shi-Lin CHEN
China Journal of Chinese Materia Medica 2014;39(20):3881-3888
Genuine medicinal materials with special characteristics of Traditional Chinese Medicine (TCM), is recognized as high quality medicine. Both ancient records and modern research considered that the origin is an important reason for the formation of genuine medicinal materials. However, blindly transplanting of genuine medicinal materials has led to the quality decline and counterfeit medicines appeared in production or sale progress, which may increase the risk of accidents in TCM. Frequent accidents emerged in Chinese herbal affects its export. What's more, it is a great threat to the medication safety in TCM clinical. There is an urgent need to implement traceability systems of TCM, which could provide convenient information record and traceability of TCM circulation. This paper reviews a variety of technical methods for genuine medicinal materials traceability, and proposed the establishment of genuine medicinal materials traceability system based on two-dimensional code and network database.
Databases, Factual
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Drugs, Chinese Herbal
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chemistry
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economics
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standards
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Medicine, Chinese Traditional
9.18F-FDG PET/CT for assessing therapeutic response to chemotherapy in patients with diffuse large B-cell lymphoma
Hong-sheng, LI ; Hu-bing, WU ; Quan-shi, WANG ; Qiao-yu, WANG ; Bao-yuan, LI
Chinese Journal of Nuclear Medicine 2011;31(3):145-150
Objective To explore the value of 18F-FDG PET/CT on the assessment of chemotherapy response in patients with diffuse large B-cell lymphoma (DLBCL). Methods 18F-FDG PET/CT was performed before and after 4 cycles of chemotherapy( R-CHOP or CHOP protocol) in 53 patients with DLBCL. The patients were divided into 3 groups: complete response group, partial response group and no response group. The therapeutic response was assessed by comparing post-treatment 18F-FDG PET/CT with pre-treatment PET/CT. Complete remission (CR) rate at the end of chemotherapy was calculated. χ2 test was performed with software SPSS 13.0. Results CR rates of complete response group, partially response group and no response group were 88.5% (23/26), 73.3% (11/15) and 8.3% (1/12), respectively (χ2=23.548, P=0.000). CR rates of the complete and partially response groups were significantly higher than those of no response group (χ2=22.656, P=0.000; χ2=11.407, P=0.001). Conclusion 18F-FDG PET/CT may be useful for the assessment of chemotherapy response in DLBCL.
10.Blood-saving effect of acute plateletpheresis and back-transfusion in patients undergoing open heart surgery with CPB
Haiyan WEI ; Hongwei SHI ; Hongguang BAO ; Yali GE ; Yuan ZHANG ; Xin CHEN
Chinese Journal of Anesthesiology 2011;31(7):812-815
ObjectiveTo assess the blood-saving effect of acute plateletpheresis (APP) and back-transfusion in patients undergoing open.heart surgery with CPB.MethodsThirty ASA Ⅱ or Ⅲ patients aged 41-63 yr weighing 52-72 kg undergoing open heart surgery with CPB were randomly divided into 2 groups (n =15 each):control group (group C) and APP group.In APP group,platelet-rich plasma was harvested immediately after induction of anesthesia and transfused back to the patient after termination of CPB and neutralization of heparin with protamine.In group C plateletpheresis was not performed.Hb,Plt,PT,APTT and Fib were measured before induction and at 1,24 and 48 h after operation.CPB time,aortic crossclamping time,postoperative chest tube drainage and blood product transfusion requirements were recorded.ResultsIn APP group the volume of the whole blood processed for plateletpheresis was (1285 ± 185) ml and ( 192 ± 38) ml of platelet-rich plasma was sequestered.The platelet count of the sequestered plasma was(817 ± 282) × 109/L,accounting for (21 ± 3) % of the total number of Pit in the whole blood volume.The plateletpheresis took (35 ± 10) min.The platelet count at 1 h after operation was significantly higher in APP group than in group C.The volume of postoperative chest tube drainage at 24 h after operation was significantly lower in APP group than in group C.Less allogeneic RBC and Plt were transfused in APP group than in group C.There was no significant difference in other variables between the 2 groups.ConclusionAPP has blood-saving effect in patients undergoing open heart surgery with CPB.