Adult ; China ; Female ; Humans ; Logistic Models ; Male ; Occupational Health ; statistics & numerical data ; Transients and Migrants ; Young Adult

A bacterial strain DN25, effective on cyanide-degradation, was isolated from contaminated soil and identified as Alcaligenes sp. on the basis of phenotype analysis and 16S rDNA sequence analysis. It showed great tolerance to the cyanide, which can grow in the medium containing 500mg CN -/L. The suitable condition for the cell growth and boitransformation was pH8.0 and 30oC and the transformation rate for 500mg CN - /L could achieve 99% in 10 h. It has also been found that the screened strain had the ability of K 4Fe(CN) 6 transformation with 96% of transformation rate at 12 h for the concentration of 500 mg CN /L.

OBJECTIVETo observe changes of plasma polypeptide hormone levels in rats with gastric ulcer after exposure to intense noise, and to discuss their mechanism.

METHODS80 Wistar rats were used in the study. Plasma levels of rat gastrin (GAS), motilin (MTL), osteocalcin (BGP), substance P (SP), neurotensin (NT) and somatostatin (SS) in rats were measured by radioimmunoassay.

RESULTS(1) In non-noise-exposure but with gastric ulcer group, the plasma MTL [(160.70 +/- 40.34) pg/ml] and BGP [(27.63 +/- 13.13) pg/ml] levels on 10 d after gastric ulcer model operation were remarkably higher than those in control group [(89.21 +/- 49.94) pg/ml, (9.10 +/- 1.38) pg/ml respectively] (P < 0.05 and P < 0.01), while the GAS level was remarkably descended [(107.00 +/- 21.75) vs (158.48 +/- 20.92) pg/ml] (P < 0.01). (2) In noise-exposure but without gastric ulcer group, the plasma MTL [(312.80 +/- 207.42) pg/ml] and BGP [(17.76 +/- 12.33) pg/ml] levels on 10 d were also significantly increased as compared with the control group (P < 0.01 and P < 0.05 respectively), while the GAS levels didn't change. (3) In noise-exposure + gastric ulcer group, the areas of gastric ulcer on 10 d and 40 d after noise and operation [(15.33 +/- 7.26) and (15.11 +/- 12.45) mm(2) respectively] were significantly larger than those of the control [(8.22 +/- 6.66), (3.67 +/- 9.90) mm(2)] (P < 0.05). The plasma MTL levels on 10 d and 40 d [(244.44 +/- 68.11) and (191.20 +/- 60.50) pg/ml respectively] were higher than those in control group [(160.70 +/- 40.34) and (93.10 +/- 52.90) pg/ml respectively] (P < 0.01).

CONCLUSIONIntense noise exposure may make the rat gastric ulcer worsened and induce negative effect on healing of it. The gastrointestinal endocrine would be disturbed by combined effect of intense noise exposure with gastric ulcer in rats.

Animals ; Male ; Noise ; Peptides ; blood ; Rats ; Rats, Wistar ; Stomach Ulcer ; blood ; etiology

OBJECTIVETo evaluate the effect of sustained-release alpha-lipoic acid tablets (SRLA) on blood lipid, glucose and insulin levels in hyperlipidemic New Zealand rabbits.

METHODSTwenty-four New Zealand rabbits were randomized into normal diet group, high-fat diet group, and high-fat diet + SRLA (300 mg/tablet) group with corresponding feed. At the beginning and 4 weeks after the feeding, the serum levels of total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), blood glucose, and serum insulin were measured, and insulin sensitivity index (ISI) was calculated.

RESULTSFour weeks after feeding with high-fat diet, the insulin levels was elevated and the ISI lowered in the New Zealand rabbits, indicating successful establishment of the animal model of hyperlipidemia. Compared with the high-fat diet group, the serum levels of TG, TC, LDL-C and insulin were significantly reduced (P<0.05), and the ISI was significantly increased (P<0.05) in high fat diet + SRLA group. But no statistically significant difference was found in the blood glucose among the 3 groups.

CONCLUSIONSRLA can significantly correct blood lipid and insulin disorders in hyperlipidemic New Zealand rabbits and prevent the occurrence of insulin resistance and hyperlipidemia.

Animals ; Blood Glucose ; metabolism ; Delayed-Action Preparations ; Hyperlipidemias ; blood ; drug therapy ; metabolism ; Insulin ; metabolism ; Lipids ; blood ; Male ; Rabbits ; Tablets ; Thioctic Acid ; administration & dosage ; pharmacology ; therapeutic use

OBJECTIVETo investigate the methods and effects of secondary intervention for mid-long term complications of endovascular repair (EVR) in aortic diseases.

METHODSFrom May 1999 to Jun 2007, 21 patients with mid-long term complications after EVR were treated in our center. Of these cases, 15 cases received first EVR for abdominal aortic aneurysm (AAA), 3 cases for thoracic aortic aneurysm (TAA) and 3 cases for aortic dissection (TAD). The mid-long term complications included 11 cases of type I endoleak, 4 cases of type II endoleak, 2 cases of type III endoleak and 4 cases of migration of stent grafts. Proximal or distal extensions were used for type I and III endoleak in 9 cases. Fenestrated, scallop and bifurcated stent grafts were used to reconstruct the aortic arch in 3 cases. Emboli technique was used in treating type II endoleak. Thrombectomy and bypass technique were used in 4 cases with stent graft limb occlusion. One ruptured AAA accepted open surgery.

RESULTSSecondary endovascular technique were undergone in 20 (95.2%) cases. One case died in 30 days after the secondary intervention and endoleak remained after the secondary operation in 5 cases. Three cases died of the secondary intervention.

CONCLUSIONSEndoleak and limb occlusion were the chief mid-long complications after EVR. Secondary endovascular technique can be used in most cases and carries great challenges in aortic arch lesions.

Adult ; Aged ; Aged, 80 and over ; Aortic Diseases ; surgery ; Blood Vessel Prosthesis Implantation ; adverse effects ; Female ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Postoperative Complications ; etiology ; therapy ; Retrospective Studies ; Stents ; adverse effects ; Treatment Outcome

OBJECTIVETo analyze the clinical effect of minimal extracorporeal circulation (MECC) in blood conservation perioperatively coronary artery bypass graft (CABG).

METHODSThe data of 120 cases received simple CABG since August 2006 to October 2009 was analyzed retrospectively. All the patients were divided to three groups according to the mode of circulation support in-operation: MECC, conventional extracorporeal circulation (cECC) or off-pump, 40 cases in each group. Jostra MECC system with normal temperature was used in MECC group, and common membrane oxygenator with moderate hypo-temperature was used in cECC group. Collect the data of coagulation and the blood cytological examination perioperatively, the draining volume during the first 24 h after operation, and consumption of blood products perioperatively.

RESULTSStandard and logistic EuroSCORE were higher in MECC group than the others (P < 0.01). The operative time and the number of distal anastomosis of off-pump group were less than MECC and cECC groups (P < 0.05), while no difference between MECC group and cECC group. Intrinsic coagulation (activated partial thromboplastin time) were much more prolonged early postoperatively in cECC group, and higher than in MECC group and off-pump group at 2 h, 6 h and 12 h postoperatively (P < 0.05), but no difference in extrinsic coagulation (prothrombin time) among three group. Adjusted by hematocrit of the same sample, free hemoglobin level rose up during the ECC procedure and reached the maximum at the end of ECC in cECC group and MECC group, but the levels were more higher in cECC group than in MECC group (P < 0.05). The draining volume during the first 24 h after operation of cECC group was larger than MECC group and off-pump group (P < 0.05). Although the decreased platelet count perioperatively and more consumed of the blood products in cECC group, but no difference among the three groups.

CONCLUSIONMECC could reduce the ruin to blood cell and interfere to coagulation function during the conventional ECC procedure, decrease the postoperative draining volume and requirement of blood products.

Aged ; Coronary Artery Bypass ; methods ; Extracorporeal Circulation ; methods ; Follow-Up Studies ; Humans ; Middle Aged ; Minimally Invasive Surgical Procedures ; Retrospective Studies ; Treatment Outcome

OBJECTIVETo analysis comparatively the primary clinic outcomes between minimal extracorporeal circulation (MECC) and conventional extracorporeal circulation (cECC).

METHODSForty cases accepted coronary artery bypass grafting from August to October at 2006 were divided into MECC group and cECC group at random, 20 cases for each group. Record and analysis of the general information, clinic data perioperatively, and complications postoperatively for each group were performed.

RESULTSThere were no deference between groups in gender, anamnesis and preoperative cardiac function, while age (P < 0.05), standard EuroSCORE and logistic EuroSCORE were much more higher in MECC group than in cECC group (P < 0.01). Similarly, there were no deference in operative time, bypass time, ischemic time and graft number between two groups. Contrasted with cECC group, the values of cTNI were lower in MECC group at 2 h, 6 h and 12 h post-ECC (P < 0.01), oxygen index were higher post-operatively and there was a statistic deference at 12 h post-ECC (P < 0.05). The valves of ALT and TBIL in cECC group were higher abnormally at early post-ECC, and significant higher than in MECC group at 2 h, 6 h post-ECC of ALT (P < 0.05), and at termination, 2 h post-ECC of TBIL (P < 0.05). The values of activated partial thromboplastin time were almost at physiological status in MECC group, but were significantly prolonged in cECC group at early post-ECC, and were statistically longer than in MECC group at 2 h, 6 h, 12 h post-ECC (P < 0.05). The concentration of free hemoglobin in cECC group were higher than in MECC group peri-operative, and there was a statistic deference at 2 h post-ECC (P < 0.05). There were no deference between the two group in Cr, PLT and WBC.

CONCLUSIONSCompared with cECC, MECC carries more biocompatibility, more safe and credible. MECC system can alleviate the organ injury postoperatively and decrease the incidence of complications, especially in high-risk patients.

Aged ; Coronary Artery Bypass ; methods ; Extracorporeal Circulation ; methods ; Female ; Humans ; Male ; Middle Aged ; Minimally Invasive Surgical Procedures ; Treatment Outcome

OBJECTIVETo prevent and manage frequent complications after endovascular repair of infrarenal abdominal aortic aneurysm (AAA).

METHODSThe data of 71 cases of infrarenal abdominal aortic aneurysm (AAA) treated by endovascular repair were analysed retrospectively. The reasons, managements, results and prognosis of frequent complications were investigated.

RESULTSSeventy-one cases of infrarenal AAA were treated by endovascular repair with 100% success rate. There was no surgical conversion to open aneurysm repair. There were 8 cases of primary endoleak, 1 case of nervous complication and acute thrombosis. An average follow-up period was 26 +/- 5 months. Three persistent endoleaks and 4 secondary endoleaks were found during the follow-up period. The endoleak rate was 9.8% (7/71) within 1 month postoperatively and mortality rate was 1.3% (1/71). Total mortality rate was 4.2% (3/71). Two patients died from acute myocardial infarction and one from acute heart failure.

CONCLUSIONSEndovascular treatment of abdominal aortic aneurysm is technically feasible and can effectively exclude aortic aneurysms from the circulation. Endoleak is a chief complication after endovascular repair of infrarenal AAA.Additional procedures and follow up are very important. Endoleak with enlarged aneurysm should be treated actively.

Aged ; Aged, 80 and over ; Aortic Aneurysm, Abdominal ; surgery ; Blood Vessel Prosthesis Implantation ; adverse effects ; methods ; Female ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Postoperative Complications ; etiology ; prevention & control ; therapy ; Prognosis ; Retrospective Studies ; Stents ; Treatment Outcome ; Vascular Fistula ; etiology ; prevention & control ; therapy

Adult ; Clavicle ; injuries ; Female ; Fracture Fixation, Internal ; methods ; Fractures, Bone ; surgery ; Humans ; Male ; Middle Aged ; Minimally Invasive Surgical Procedures ; methods

OBJECTIVETo investigate the efficacy and safety of the Fuzheng Huayu Tablet FZHYT), which is used to reinforce qi and resolve stasis in patients with posthepatitic cirrhosis (PHC).

METHODSA multicenter, randomized, controlled clinical trial was conducted in 180 patients with PHC. The patients were randomly assigned using random numbers to a treatment group treated with FZHYT and a placebo group; the treatment course was 6 months for both groups. Overall response, adverse events (AEs), and the 2-year survival rate were assessed after treatment. Evaluations were made on changes in liver function, liver fibrosis, coagulation, hemodynamics, degrees of esophagogastric varices, ascites, quality of life (QOL), and scores of main symptoms.

RESULTSThe overall response was significantly higher in the treatment group than the placebo group (86.7% vs. 62.2%, P<0.01). Patients in both groups had significant improvements in liver function [total bilirubin (TBIL), albumin (ALB)], liver fibrosis [hyaluronic acid (HA), type IV collagen (CIV)], coagulation [prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinogen (FIB), and thrombin time (TT)], hemodynamics portal venous flow (PVF), and splenic vein flow (SVF) after treatment. Between-group comparisons showed that compared with the placebo group patients in the treatment group achieved significantly greater improvements in TBIL, ALB, HA, C IV, PT, APTT, PVF, SVF, time to ascites resolution, 2-year survival, QOL, and symptom scores (P<0.05 or P<0.01). There were no significant AEs during the treatment.

CONCLUSIONFZHYT is effective and safe for the treatment of hepatic cirrhosis as it is associated with improved liver function, liver fibrosis, coagulation, portal hypertension state, QOL, 2-year survival rate, and fewer AEs.

Adult ; Aged ; Ascites ; complications ; pathology ; Blood Coagulation ; drug effects ; Drugs, Chinese Herbal ; adverse effects ; pharmacology ; therapeutic use ; Esophageal and Gastric Varices ; drug therapy ; pathology ; Female ; Hemodynamics ; drug effects ; Humans ; Liver Cirrhosis ; complications ; drug therapy ; physiopathology ; Liver Function Tests ; Male ; Middle Aged ; Qi ; Quality of Life ; Survival Analysis ; Tablets ; Treatment Outcome ; Young Adult