Objective To investigate the result of diagnosis and surgery of stageⅠnon-small cell lung cancer (NSCLC).Methods The survival of 47 stageⅠNSCLC patients performed surgery were retrospectively analyzed.Results There were 21 cases who were diagnosed by routine physical examination.The 1～,3～,5～year survival rates of the group of lobectomy were 93.8%,79.3% and 54.6% respectively.The1～,3～,5～year survival rates of wedge resection were 75.7%,42.6% and 35.7% respectively.There were statistical significances of the survival rates between the two groups(P

Objective To evaluate the diagnostic role of multi-slice CT(MSCT)angiography for tumors of intra-abdominal testes.Methods MSCT angiography of 5 cases with seminoma of intra-abdominal testes proved by surgery and pathology was analyzed.All patients were male,and the age ranged from 33 to 59 years with the mean of 43.6 years.Results(1)The arterial-supply of tumors completely came from the testicular artery of the same side.The arteries went into tumors from the posterior side.(2)The tumors had comparatively large volume with complete or incomplete amicula.The tumor density of 3 cases was inhomogeneous.The degree of entity augmentation of 5 patients was about 14—25 HU.Conclusion MSCT angiography can reveal the tumor vessel and is essential for the diagnosis of tumors of intra-abdominal testes.

Objective To examine the clinical manifestations and pulmonary radiological features in patients with triphosgene poisoning.Methods Clinical manifestations,laboratory tests and CT scans were analyzed retrospectively in 17 patients with triphosgene poisoning.We focused on the severity,development and repair of pulmonary impairment.Results Plain film and CT scans in five mild cases demonstrated bilateral scattered pulmonary patchy shadows.Of 12 cases with moderate to severe diseases,three showed bilateral multiple pulmonary patchy shadows and nodules with confluence of part of the lesions on plain film and CT scans;bilateral lungs were involved in nine cases with imaging findings of bilateral disseminated pulmonary round or ovary nodules with different size,ill-defined and partly-confluent patchy shadows and thickening of both interlobular septum and the wall of bronchus.Of clinical interests,imaging findings were closely correlated with clinical course and laboratory results.Conclusion Radiological examinations with plain films and CT scans could reveal the severity,evolvement of pulmonary edema in patients with triphosgene poisoning,and these are of clinical benefit in the early management and prognostic evaluation of patients with triphosgene poisoning.

Derris eriocarpa, a traditional Chinese medicine belonging to the family of Leguminosae, is widely distributed mainly over Yunnan, Guangxi and Guizhou of China. Modern pharmacological researches on this herb showed that it had extensive bioactivities, such as promoting urination, removing dampness and cough and reducing inspissated mucus and other biological activities. The extensive studies on the chemical constituents of this plant have resulted in the isolation of triterpenoids, steroids, fatty acid and others, but the flavone compounds haven't reported before. In our further research on the ethyl acetate of this plant, nine flavone compounds were obtained by column chromatography on silica gel, Sephadex LH-20, semi-prep HPLC, polyamide column chromatography and recrystallization for separation and purification. The structures were determined on the basis of extensive spectroscopic analysis, including MS, NMR experiments and comparison with spectroscopic data in the literature, respectively, as diosmetin (1), 3, 3'-di-O-methylquercetin (2), afromosin (3), 6, 3'-dihydroxy-7, 4'-dimethoxyisoflavone (4), odoratin (5), 7, 3'-dihydroxy-8, 4'-dimethoxyisoflavone (6), 6, 4'-dihydroxy-7, 3'-dimethoxyisoflavone (7), 5, 7, 4'-trihydroxy-3, 3', 5'-trimethoxyflavone (8), and alpinumisoflavone (9). All these compounds were isolated from Derris eriocarpa How for the first time. And the in vitro assays showed that compound 2 possessed moderate inhibitory activity against human cancer cells K562 and HEL.
Derris ; chemistry ; Flavonoids ; chemistry ; isolation & purification ; pharmacology ; Humans ; K562 Cells

The objective of this study was to elevate the tumorigenic rate of animal model with thymic lymphoma induced by N-methyl-N-nitrosourea (MNU) and to reduce the mortality of this mouse model. The injection regimen and experimental cycle were improved on the basis of previous experiments. The male and female C57BL/6 mice were injected by the intraperitoneal route with MNU solution at different dosages in the first week and the 4th week respectively. Following injection of MNU, the general features of the mice were observed. All mice were sacrificed for autopsy before the 24th experimental week. Complete gross examination was performed for detection of tumor masses. The pathologic and immunohistochemical methods were used to identify the origin and subtype classification of the neoplasm. The results showed that at the 25th week the incidence of thymic lymphoma in mice injected with MNU was 83.3% (55/66), the mortality was 7.6%. In conclusion, improving the program and changing the experimental cycle can increase the tumorigenic rate in the mouse model induced by MNU from 67.5% to 83.3% and reduce the mortality from 10% to 7.6%.
Animals ; Female ; Lymphoma ; chemically induced ; Male ; Methylnitrosourea ; adverse effects ; Mice ; Mice, Inbred C57BL ; Neoplasms, Experimental ; chemically induced ; Thymus Neoplasms ; chemically induced

OBJECTIVETo compare the contents of baicalin in the raw medical material and the different prepared medical materials of Scutellaria baicalensis.

METHODThe contents of baicalin were determined by HPLC. Chromatographic conditions included Hypersil C18 column and the mobile phase consisting of a mixture of methanol-0.04% phosphoric acid (46:54). Baicalin was detected at 280 nm. The standard curve was linear in the range of 0.0280-4.6700 micrograms with correlation coefficient 1.0000. The average recovery of baicalin was 101.22% with RSD = 2.54% (n = 5).

RESULTThe contents of baicalin were 6.80% in raw material, 6.00% and 6.73% in the different prepared medical materials of S. baicalensis respectively.

CONCLUSIONThe two different kinds of preparing methods can be used to the raw material of S. baicalensis.

Chromatography, High Pressure Liquid ; Flavonoids ; analysis ; Hot Temperature ; Plants, Medicinal ; chemistry ; Scutellaria baicalensis ; chemistry ; Technology, Pharmaceutical

Objective To explore the risk factors of cardiovascular disease in adolescents with a family history of hypertension.Methods A cross-sectional study was conducted in 3874 adolescents ages 13-18 years,with normal BP in 3724 people.Based on family history of hypertension (FH),the cohort of adolescents were dichoto- mized as postive family history (FH~+,n=1145) and negative (FH~-,n=2579).Height,weight,waist circum- ference,hip circumference,blood pressure and fasting plasma glucose(FPG),total cholesterol(TC),triglyceride (TG) and high-density lipoprotein cholesterol(HDL-C) were determined.Results FH~+ adolescents had signifi- cantly higher levels of body mass index(BMI),waist circumference,WHR,FPG,TC and LDL-C(P

Objective To delineate the relationship between body mass index(BMI),waist-to-height ratio (WHtR)and hypertension in adolescents.Methods A cross-sectional study was conducted in 3874 adolescents ages 13-18 years.They were classified into four groups according to BMI and WHtR,group A:normal BMI and WHtR

Objective To investigate the efficacy, safety and tolerance of bosentan, a dual endothelin receptor antagonist, in Chinese patients with idiopathic pulmonary arterial hypertension (IPAH).Methods Totally 79 IPAH patients (hemodynamic criteria confirmed by right heart catheterization) were included in this open-label, prospective multicenter study. Patients received 62. 5 mg of bosentan twice daily for the first 4 weeks, and then up-titrated to 125 mg twice daily for another 12 weeks. The primary end point was the change in exercise capacity showed by six-minute walk distance (6MWD) from baseline to 16 weeks. Secondary end points included the change in World Health Organization (WHO) functional class,Borg dyspnoea scale and systolic pulmonary artery pressure measured by echocardiography. Results The 6MWD increased from (343. 7 ± 93.7) meters at baseline to (397.5 ± 104. 4) meters after 16 weeks ( P ＜0. 01 ), WHO functional class and Borg dyspnoea scale were also significantly improved after 16 weeks therapy compared to baseline levels (all P ＜0. 01 ). Furthermore, the systolic pulmonary artery pressure was significantly decreased from (97.8±25.2) mm Hg (1 mm Hg=0. 133 kPa) to (92.8 ±29.5) mm Hg (P ＜0. 05) after 16 weeks bosentan treatment. There was no patient withdrawal from this study for safety consideration. Conclusion Bosentan therapy is well tolerated and can improve the exercise capacity and WHO functional class in Chinese IPAH patients.

OBJECTIVETo analyse the causes and the management of massive hemorrhage in hepatectomy.

METHODSWith over 1 000 ml of bleeding, 4 368 patients with hepatectomy between 1955 and 2000 were analysed retrospectively.

RESULTSAmong 4 368 patients receiving hepatectomy, 286 (6.5%) had massive hemorrhage because of damage to the major hepatic veins, portal hypertension, hepatic insufficiency, and the extensive adhesion around the tumor. Massive hemorrhage was managed by repair and transfixation of the damaged vessels; transfixation or devascularization of variceal bleeding; complete vessels ligation of the hepatic section with mattress suture; resection of the ruptured tumor after temporary occlusion of the porta hepatis; fibrinogen infusion; hot saline compression of the surface of the wound and/or daub biological glue; argon beam coagulation and packs placement.

CONCLUSIONSLight performance and nonforce dragging of liver can reduce massive hemorrhage caused by major vessel injury or tumor rupture. Normothetic occlusion of porta hepatis can reduce blood loss effectively when liver resection. In situ hepatectomy must be adopted if there is extensive adhesion around the tumor. Packs placement is still an effective measure to stop bleeding caused by defective coagulation and extensive blood oozing of wound surface.

Adolescent ; Adult ; Aged ; Aged, 80 and over ; Blood Loss, Surgical ; Child ; Child, Preschool ; Female ; Hemostasis, Surgical ; Hepatectomy ; adverse effects ; Humans ; Male ; Middle Aged