An ultra performance liquid chromatography method has been developed for determination of flavones in different origin and different parts from Bupleurum smithii var. parvifoliaum. The separation was performed at 30 degrees C on an Acquity UPLC BEH C18 column eluted with methanol and 0.1% phosphoric acid solution as mobile phases in gradient elution. The detection wavelength was set at 256 nm and the flow rate was 0.4 mL x min(-1). There flavones of rutin, quercetin and isorhamnetin were separated well, the linear calibration curves were obtained over the ranges of 0.106-1.06 microg for rutin (r = 0.999 8, n = 6), 0.004 87-0.048 7 microg for quercetin (r = 0. 999 7, n = 6), 0.022 0-0.220 microg for isorhamnetin (r = 0.999 8, n = 6). The mean recoveries of the three compounds were 99.3%, 97.8%, 98.9% with RSD of 2.4%, 3.0%, 3.2%. The result showed that the method is convenient and feasible for determination of the flavone content in B. smithii var. parvifoliaum.
Bupleurum ; chemistry ; China ; Chromatography, High Pressure Liquid ; instrumentation ; methods ; Drugs, Chinese Herbal ; analysis ; standards ; Flavones ; analysis ; Quality Control

Objective:To study the perioperative anticoagulant therapy for patients in prevention of moderate or high risk of pulmonary embolism(PE)after general surgery.Method:1146 patients who had undergone major general surgery were divided into a non-anticoagulant therapy group and an anticoagulant therapy group.There were 743 patients without the anticoagulant therapy during Jan.2005 to Aug.2008,a preventive anticoagulant therapy was performed on 403 patients who recived 5 000IU(142 patients at moderate risk of PE)or 10 000IU(261 patients at high risk of PE)low molecular weight heparin(LWMH)subcutaneous injection after major general surgery during Jan.2006 to Nov.2008.Result: Five cases died and 2 survived among 7 PE patients.Hemorrhage occurred in 3 out of 403 cases(0.7%),but no PE occurred among 403 patients administered with the LWMH anticoagulant therapy.The incidence of PE in the patients reciving LWMH decreased from 0.9%to 0(P

Objective In this study we reported our experiences for patients with unresectable advanced hilar cholangiocarcinoma by intracavitary irradiation therapy and discussed some problemsin practice.Method 15 cases with unresectable advanced hilar cholangiocarcinoma were treated with laparotomy and operative dilatation of malignant stenosis and cathetenizing and then followed by intracavitary irradiation therapy.Result 15 cases treated by intracavitary irradiation therapy diedfrom liver function failure with biliary cirrhosis 3～18 months (average 8 months) later. None of the case died from cancer dissemination. Conclusion The patients with advanced holar cholangiocarcinoma could well tolerant of the intracavitary irradiation therapy, but they deteriolated from biliary cirrhosis about 8 months later,not from tumor dissemination.

0.05) when all cases were put together. But the observed morbidity in group B (20%) was less than that in group A (40%) with the difference being statistically significant (?~2=4.41,P=0.036). ConclusionsThe POSSUM methodology allows satisfactory prediction of mortality and morbidity rates in patients undergoing colorectal tumor surgery.

Objective To investigate the effects of 7 5% hypertonic saline (HS) on fluid balance after elective major abdominal surgery Methods Twenty two patients undergoing elective major abdominal surgery were assigned to receive either Ringer lactate solution followed by 4 ml/kg of 7 5% HS (study group, n =11) or Ringer lactate solution (control group, n =11) during the early postoperative period in ICU We compared fluid infusion volumes and urine outputs, fluid balance, and body weight change between the 2 groups Results Urine outputs in the operative day and the first postoperative day in study group were significantly more than in control group [(2?650?531)ml vs (2?046?572)ml, t =2 551?7, P

Objective To sum up the experience of diagnosis and management of postoperative abdominal bile collection of biliary fluid .Methods Analysis of 36 cases admitted in our department with postoperative abdominal biliary fluid collection were studied and treated in our department.Clinically,these cases can be divided into three groups according to their manisfestation,including asymptomatic cases,acute diffuse peritonitis and cases with obscure clinical course.The clinical feature and morbidities of these three groups were compared.Result The morbidities of cases detected collections of biliary fluid and managed in time were significant lower than that of the cases detected and managed out of time.Conclusions Clinically postoperative collection of abdominal biliary fluid might be divided into asymptomatic cases,acute diffuse peritonitis and cases with obscure course by us,it is for the sake of early diagnosis and immediate management.The diagnosis in time and immedate aspiration or drainage will save the patient from adverse morbidities.

Objective To explore the relationship between the histological alterations of Oddi sphincter lesions and clinical manifestations. MethodsFrom October 1995 to May 2003, biopsies of Oddi sphincter were undertaken during transduodenal sphincteroplasty (TSP) in 32 cases. Specimens were stained with Van Gieson Mason staining. ResultsThirty one out of 32 specimens were found with histological alterations in Oddi sphincter including diffuse fibrosis in 87 1% (27/31) , adenomyosis in 2 cases and chronic inflammatory infiltration in 2 cases. Impacted stone in the terminal common bile duct, benign papillary stenosis and visible postpancreatitis parenchymal changes were all found accompanying severe fibrosis of Oddi sphincter. ConclusionIn patients with impacted stones in the ampulla, intracholedochal sludge with recurrent cholangitis, and relapsing pancreatitis, endoscopic sphincterotomy is recommended.