1.Effect of xinmailong on ischemic cardiac muscle during hemorrhagic shock
Kunlun TIAN ; Juan SU ; Haiguang FENG ; Rongxiang NUI
Chinese Journal of Pathophysiology 2001;17(8):787-
Xinmailong injection solution was invented at 1988 by prof. Li Shunan in Dali medical college. It was made from the material which has high biological activeness to the cardiac and vascular system. During the experimental shock caused by excessive loss of blood in monkey and dog, it was found by ECG that the T-wave of anterion lead on left chest elevated and became high and sharp after acute blood loss. Arterial blood pressure dropped to 8-5.3 kPa for dog and 8-5.3-2.7 kPa for monkey, changes of T-wave all recovered to near normal level after xinmailong solution was injected intravenously (0.05-0.2 mL/kg). These Results implied that xinmailong might improve the ischemia of myocardium induced by hemorrhagic shock.
2.Effect of percutaneous dilatational tracheotomy in oral and maxillofacial surgery anesthesia
Baojian ZHAO ; Yingchun DONG ; Xinhe WANG ; Gang LI ; Rongxiang SU
The Journal of Clinical Anesthesiology 2016;32(4):369-371
Objective To investigate the effect of preoperative percutaneous dilatational trache-otomy (PDT)in oral and maxillofacial surgery anesthesia versus traditional surgical tracheotomy (ST).Methods General data,vital signs,operation time,anesthetics,the amount of bleeding and complications during the procedure were analyzed after reviewing the clinical data of 124 cases under-going radical correction of oral and maxillofacial tumor plus flap transferring and repairing and trache-otomy during May 2013 to May 201 5.Results A total of 124 cases were divided into two groups:PDT group (group P,n =41)and ST group (group S,n =83).There was no significant difference of general data between the two groups.The incision length and operation time were significantly shorter and the amount of bleeding was remarkably lower in group P than those in group S (P <0.05),while the incidence of complications was not significantly different between the two groups.Conclusion PDT has more advantages over traditional ST and is a better airway approach in oral and maxillofacial surgery.
3.Application of single-dose dexmedetomidine infusion in patients undergoing percutaneous dilatational tra-cheostomy
Rongxiang SU ; Yun SHAO ; Gang LI ; Xiaoping GU
Journal of Practical Stomatology 2015;(1):88-91
Objective:To observe the clinical effects of dexmedetomidine(DDM)under monitored anesthesia care(MAC)in oral and maxillofacial patients undergoing percutaneous dilatational tracheostomy(PDT).Methods:38 patients with oral and maxillofa-cial tumor undergoing PDT before surgery were randomly assigned into 2 groups(n =19).Patients in group D received a single-dose DDMof 0.5 μg/kg infused for 10 min;those in group Mreceived 2 mg of midazolam and 1 μg/kg of fentanil.Then all patients were given local anesthesia followed by PDT.MAP,HR and SpO2 were monitored before (T0 )and after drug administration (T1 ),at T2 (skin incision)and T3 (insert dilation catheter).Ramsay scorce,bucking,respiration depression and adverse cardiovascular reaction were recorded.All patients were followed up 24 h postoperatively for the observation of adverse recall of PDT.Results:Compared with T0 ,at T1 ,T2 MAP and HR in group D were lower,but MAP and HR at T3 in group Mwere higher(P <0.05).At T1 ,T2 and T3 ,MAP and HR in group D were significantly lower than those in group M(P <0.05).During operation,the incidence of bucking and respiration depression in group D was lower than that in group M(P <0.05).Conclusion:During PDT operation under MAC,a single-dose dexmedetomidine is effective in stablizing hemodynamics,reducing bucking and respiration depression.
4.Rapid analysis by HPLC in the quality control study of Chinese herbal medicine pseudo-ginseng and its Chinese drugs preparation′s specific chromatogram
Bingguo LIN ; Jiahui SU ; Rongxiang ZENG ; Yikun LAN
International Journal of Traditional Chinese Medicine 2018;40(5):447-452
Objective To study the HPLC rapid analysis method for the 5 kinds of saponins in pseudo-ginseng herbs and its traditional Chinese medicine preparations Xuesaitong injection at different habitats and analyze the fingerprint characteristics. Methods The Waters Nova-Pak-wat044375 flash chromatography column (4.6 mm×150 mm, 4 μm) was as stationary phase, and acetonitrile-0.5% formic acid solution (v/v) system was as the mobile phase. The gradient elution, column temperature was 30 ℃, and detection wavelength was of 203 nm. Twelve batches of Panax notoginseng in Yunnan, Sichuan, Guangxi, Jiangxi and other places four kinds of Xuesaitong injection from different manufacturers were taken for rapid analysis of HPLC and methodological study. The similarity analysis was carried out by Chinese medicine chromatographic fingerprint similarity evaluation system (2012 edition). Results The establishment of rapid HPLC fingerprints baseline separation occurred within 1 min of detection, and 5 kinds of ingredients were all successfully detected in the 40 min. The similarity of each component was more than 0.9, and with a good precision, stability and reproducibility, RSD within 5%. Conclusions The method of HPLC rapid analysis for Chinese herbal medicine pseudo-ginseng and its Chinese drugs preparation's specific chromatogram is simple, rapid and effective. It can fully reflect the changes of 5 representative components chromatogram in pseudo-ginseng and its preparation, and so it can be as the quality control evaluation of pseudo-ginseng and its preparation.
5.The clinical application of monitored anesthesia care in percutaneous dilatational tracheostomy.
Ying-chun DONG ; Rongxiang SU ; Weimei WU ; Gang LI
West China Journal of Stomatology 2011;29(6):626-628
OBJECTIVETo investigate the changes in hemodynamics and depth of anesthesia under monitored anesthesia care (MAC) in patients undergoing percutaneous dilatational tracheostomy (PDT).
METHODSForty-six patients with oral cancer were divided into two groups with 23 cases each: Local anesthesia group (group L) and MAC group (group M). Local and intratracheal surface anesthesia were performed with 2% lidocaine in group L. Midazolam, propofol and fentanyl were added to group M after local and intratracheal surface anesthesia, then PDT was carried out. During the induction, observer's assessment of alertness/sedation(OAA/S) scale was used to assess the depth of sedation. Mean arterial blood pressure (MAP), heart rate (HR), state entropy (SE) and response entropy (RE) were recorded before anesthesia (basal value, T1), after local anesthesia (T2), after intravenous administration/before incision (T3), during incision (T4), during dilating with stretching pliers (T5) and endotracheal intubation (T6). A postoperative follow-up was taken in group M.
RESULTSMAP and HR increased significantly at T4-T6 in group L and decreased at T3 (P < 0.05) with no change at T4-T6 in group M compared with those in T1. MAP and HR at T3-T6 in group M were obviously lower than those in group L. SE and RE at T3-T6 in group M were obviously lower than those at T1 or in group L (P < 0.01) and decreased significantly with the reduction of OAA/S scale (P < 0.05) during the induction. Intraoperative awareness in group M was not found through postoperative follow-up.
CONCLUSIONPatients undergoing PDT under MAC has more comfortability, more stable hemodynamics and no memory, so MAC is a better anesthesia for PDT than local anesthesia.
Anesthesia ; Female ; Heart Rate ; Humans ; Male ; Middle Aged ; Propofol ; Tracheostomy
6. Etiology and clinical analysis of central nervous system infection caused by Coxsackievirus B5 in severe hand, foot and mouth disease in Qingdao City, 2013-2014
Rongxiang LIANG ; Xiaoyan SHI ; Yanhui ZHANG ; Zhilei SU ; Feng ZHANG ; Qing CHAI ; Jinling GONG ; Zhaoguo WANG
Chinese Journal of Preventive Medicine 2018;52(11):1168-1172
Objective:
To illuminate the gene characteristics and clinical characterization of Coxsackievirus B5 (CV-B5) strains isolated from patients with sevre hand, foot and mouth disease (HFMD) in Qingdao city.
Methods:
A total of 1 844 patients of HFMD were consecutively admitted to Qingdao Women and Children's Hospital from 2013 to 2014. Information of the study population described above was collected retrospectively. The samples were collected from at least 1 site (throat swab, cerebrospinal fluid), which viral nucleic acid extracted and the entire VP1 gene sequences of CV-B5 isolates were amplified and sequenced, then the homology and phylogeny analysis were conducted by MEGA7.0. The prototype Faulkner strain and other VP1 amino acid sequences were derived from the GenBank database.
Results:
A total of 8 CV-B5 positive cases were obtained, including 4 males and 4 females; 6 severe hospitalized cases and 2 outpatients. The age of 6 hospitalized patients ranged from 3 to 48 months, with a median of 26 months. For the six inpatients, fever, convulsions vomiting, diarrhea and rash were the main clinical manifestation, and all combined with viral encephalitis. Compared with the prototype strain Faulkner, in the VP1 region,the nucleotide and the amino acid homologies was 77.3%-78.8% and 95.5%-97.0% respectively. Five out of the six severe cases with substitution of serine (S) to asparagine (N) at amino acid site 95 in the VP1 region. The sequences of 8 CV-B5 strains were classified into genogroup D.
Conclusion
Hand, foot and mouth disease associated with CV-B5 virus infection can result in nervous system involvement and the main complication was viral encephalitis. The CV-B5 strains associated with severe hand, foot and mouth disease had high nucleotide homology and present a certain regional aggregation.