Adult ; Female ; Hexanes ; poisoning ; Humans ; Male ; Middle Aged ; Occupational Diseases ; chemically induced ; therapy ; Peripheral Nerve Injuries ; chemically induced ; therapy ; Retrospective Studies ; Treatment Outcome ; Young Adult

Objective To evaluate the effect of en bloc open-door laminectomy and pedicle screw fixation for extremely severe cervical ossification of posterior longitudinal ligament (OPLL).Methods From January 2007 to December 2011,16 cases of serious cervical OPLL were treated,in which there were 13 males and 3 females,aged from 45 to 74 years (average,56.5 years).Spinal cord functional deterioration was related to minor activities of the neck,such as sneeze,cough or hyperextension of the neck,in 15 cases.One case suffered from aggravating neurological symptoms without a definite precipitating factor.The average preoperative Japanese Orthopaedic Score (JOA) was 7.1 ±1.8.Preoperative CT scans displayed the average stenotic rate (thickness of OPLL/sagittal diameter of the spinal canal) was 83.7％.All the patients received en bloc laminectomy and pedicle screw fixation of the cervical spine.Results All the patients were followed up for 3 months to 4 years (average,24.4±10 months).The JOA scores at 2 weeks,3 months,and the last follow-up postoperatively were 13.2±1.7,13.5 ±1.6 and 14.1 ±1.5,respectively; the improvement rates were 61.6％,64.6％ and 70.7％,respectively.The operative time ranged from 80 to 150 minutes (average,130 minutes),and blood loss ranged from 150 to 600 ml (range,300 ml).One case of postoperative wound hematoma,1 case of cerebrospinal fluid leakage and 3 cases of trapezius muscle pain occurred in this group.No serious complications,such as deep infection,deterioration of neurological dysfunction,vertebral artery injury and internal fixation failure,were noticed.Conclusion Owing to the minimum interference to the cervical spinal cord,stabilization of the decompressed segments and maintenance of cervical lordosis,en bloc open-door laminectomy and pedicle screw fixation is suitable for extremely severe cervical OPLL.

Objective This study aims to investigate the effect of Lipoxin A4 receptor on acute lung injury (ALI) induced by intestine ischemia-reperfusion (IIR). Methods Thirty-two 8-week old SD rats were randomly divided into four groups: sham, intestine ischemia-reperfusion (IIR), IIR + BML111 (BML-111), Boc-2 + IIR +BML111 (Boc-2). BML-111 (1 mg/kg) was given intraperitoneally at the onset of reperfusion in the BML-111 and the Boc-2 group. Boc-2 (50 μg/kg) was given intraperitoneally after anesthesia in the Boc-2 group. Rats were subjected to superior mesenteric artery occlusion consisting of 45-min ischemia and 6-h reperfusion, and the sham laparotomy was served as controls. The lung pathology was assayed by the H&E staining. Lung water content was detected using dry/wet ratio. Concentrations of TNF-α, IL-1β, and IL-6 in lung tissue were determined by ELISA. The protein expression of p38 MAPK and NF-κB of lung was assayed by western blot. Results IIR induced serious ALI, with poor lung pathology and increased lung water content, elevation of TNF-α, IL-1β, and IL-6 levels in lung, accompanied with activation of p38 MAPK/NF-κB pathway. However, BML-111 could inhibit the activation of p38 MAPK/NF-κB pathway, leading to the reductions of TNF-α, IL-1β, and IL-6 in lung and attenuation of IIR-induced ALI. Conclusion BML-111 treatment could attenuate inflammation in lung after IIR injury via inactivating the p38 MAPK/NF-κB signaling pathway.

Objective To investigate the clinical efficacy and side reaction of brucea javanica oil ( BJO) combined with 125I and chemotherapy on stageⅢ?Ⅳpatients with non?small cell lung cancer ( NSCLC) . Methods One hundred and twenty cases on stageⅢ?Ⅳpatients with NSCLC were randomly divided into two groups,60 cases received BJO combined with 125I and chemotherapy treatment(observation group),the other 60 cases received 125I combined with chemotherapy treatment(control group). Results The objective response rate(ORR) and disease control rate (DCR) were 71. 7%,86. 7% of observation group and 66. 7%,85. 0% of control group,there were no significant difference(χ2=0. 352,0. 069;P>0. 05) . The improvement rate of KPS score in observation group was significantly superior to that in control group, the difference was significant (76. 7% vs. 55. 0%;χ2=6. 261,P<0. 05) . The incidence of myelosuppression and gastrointestinal adverse e?vents in observation group was significantly lower that in control group ( 68. 3% vs. 83. 3%,41. 7% vs. 61. 7%;χ2=3. 883,4. 805;P<0. 05) . Conclusion BJO combined with 125I and chemotherapy for treating on stageⅢ?Ⅳ patients with NSCLC can reduce the toxicity and side effects caused by chemotherapy,and significantly im?prove the clinical symptoms and quality of life of patients.

Objective To explore and evaluate the clinical significance of pressure-controlled discography in diagnosis of discogenic low back pain.Methods From July 2008 to October 2009,pressurecontrolled discography under C-arm guidance was taken in 52 patients with suspected discogenic low back pain,including 83 degenerative discs and 52 good discs.Based on the pressure of discography inducing pain,the discs were divided into 4 groups:pressure ≤ 30 psi,30 psi＜pressure ≤50 psi,50 psi＜pressure≤70psi,and pressure＞70 psi.By using SPSS 11.0 statistical software,the correlation of pressure of discography and morphologic representation was analyzed.Results Among 83 degenerative discs,positive discography was detected in 46 discs.During discography,the pressure of positive degenerative discs was (36.5±15.7)psi; the pressure of negative degenerative discs was (50.5±26.2) psi,and the normal discs’ pressure was (98.6±3.7) psi.A significant difference could be found between the mentioned three groups.Among different pressure groups,the positive rate were analyzed by x2 test,and a significant difference was found as well.But no significant difference was found between the group of less than 30 psi and group of 30 to 50 psi.According to Adams’ morphological classification of discography,the pressure of disc varied from 30 to 50 psi in grade Ⅲ,while less than 30 psi in grade Ⅳ.There was a significant difference of discography pressure between discography positive grade Ⅲ and grade Ⅳ.Conclusion The pressure-controlled discography is valuable for clinical diagnosis of discogenic low back pain.The morphological classification of discs could indicate the degree of the disruption of annular fibrosus.

To observe the effect of various doses of oil of Piper longum unsaponifiable matter (OPUM) to cholesterol gallstones in experimental mice. C57BL/6 mice (n = 60) were randomly divided into 6 groups: control group, model group, OPUM (15, 30 and 60 mg x kg(-1)) group and ursodeoxycholic acid (UDCA, 60 mg x kg(-1)) group, administered for 10 weeks. The level of serum lipid and liver function enzymes were tested. The gallbladder was removed and bile was obtained by centrifugation. Next, the levels of the bile total cholesterol (TC), phospholipid (PL) and bile acid (TBA) were measured. The indicators of lipid peroxidation were determined and cholesterol saturation index (CSI) was calculated. The liver histological changes were observed by HE staining. The results showed that serum TC, TG (triglycerides) and AST (aspartate transaminase) contents, gallbladder cholesterol crystallization and CSI increased significantly (P < 0.05). In addition, the activity of SOD decreased significantly and MDA content increased significantly in liver (P < 0.05). HE staining results showed that the hepatic cord disorder and intracellular lipid droplets increased significantly. All results indicate that lithogenic diet lead to the formation of cholesterol gallstones. In OPUM (30 and 60 mg x kg(-1)) group, serum TC, TG and AST content, gallbladder cholesterol crystallization and CSI decreased significantly, the activity of SOD increased significantly and MDA content decreased significantly. HE staining results showed that OPUM can improve the morphology of liver cell, reduce the degree of hepatic cord disorders and restore the cell morphology close to normal. The cause of OPUM prevents cholesterol gallstone formation maybe due to protect the integrity of the liver cells, lower CSI, and reduce cholesterol crystal formation and hence prevent cholesterol gallstone formation.

Objective To build the cohort of drug resistance and analyze treatment efficiency of AIDS patients and situation of drug resistant mutations among HIV-1 infected individuals.Methods A cohort of 116 HIV-1 infected patients was built and their treatment progress were acquired once every 6 months.At the sanle time CD4+ T cell counts and HIV-1 viral load were measured and genotyping for drug resistance was determined by a home brew nested PCR.Results The CD4+ T cell count(470±251/ml)was higher than that before treatment in patients who were treated by AZT/DDI/NVP or D4T/DDL/NVP.The viral load was lower than that before treatmenL The drug resistant mutation frequency increased gradually along with treatment.The CD4+ T cell count was decreased and viral load was increased and the prevalence of drug resistant mutation was increased in the patients who changed regimens to AZT/3TC/NVP or D41/3TC/NVP.Only one primary mutation that was resistant to non-nucleoside reverse transcriptase inhibitors (NNRTIs)was detected in the naive patients.The cross-resistant mutation was detected in two patients after 6 months treatment. The intermediate resistance to lopinavir(LPV) was detected after 12 months treatment.The prevalence of high-grade resistances to NNRTIs was increased obviously,and the prevalence of multi-resistance and cross-resistance was detected in 5 patients after 36 months treatment.Conclusions The prevalence of primary mutation was rare in naive HIV-1 infected patients.The prevalence of drug resistant mutation was inereased gradually along with treatment.Ahhough few regimens were available,the treatment effect could last relatively long period of time if patients keep taking medicine stably.The regimens could be changed according to the results of drug resistant test.

Objective To evaluate the efficacy and safety in the treatment of acetabular fractures via anterior approaches,including ilioinguinal,stoppa,pararectus approach.Methods Systematic literature retrieval was carried out to obtain two-arm and one-arm researches on the treatment of acetabular fractures via any one of the three approaches before May 2017,from pubmed,embase,cochrane library Databases.Data extraction and quality evaluation of studies were performed by 3 investigators independently.A meta-analysis was performed by RevMan 5.3 and Meta-Analyst beta 3.13.Results Totally 22 low to moderate quality studies,including 7 two-arm and 15 one-arm were included.There were 980 patients,including 581 in ilioinguinal approach group,264 in stoppa approach group and 135 in pararectus approach group.Meta-analysis showed the rate of anatomic reduction in stoppa approach was higher than that in ilioinguinal approach (OR=0.58,95％CI:0.36-0.94,P=0.03),which in pararectus approach was higher than that in ilioinguinal approach (0R=2.95,95％CI:1.22-7.10,P=0.02).Compared to the ilioinguinal approach,the operation time in the Stoppa approach was shorter (MD=48.01,95％CI:17.08-78.95,P=0.002),there was no statistically significant difference between pararectus approach and ilioinguinal approach.In addition,there were no statistically significant differences among three approaches in intra-operative blood loss,postoperative functional outcomes and complications.Conclusion The available limited evidence suggests that the rate of anatomical reduction in stoppa and pararectus approach may be higher than ilioinguinal approach.Compared to the ilioinguinal approach,the operation time in the stoppa approach may be shorter.In this field,further rigorous design,baseline parallel,direct comparison controlled studies on this topic are still needed.

This study aims to analyse the value of CODEHOP RT-PCR in the detection of Flavivirus. According to the amino acid sequences of polyproteins of different flaviviruses published in GenBank, a pair of primers was designed using the CODEHOP method. One-step RT-PCR was used to detect Japanese encephalitis virus strain JEV1201, Dengue virus strain JKD001, and yellow fever virus vaccine YV6161. BLAST analysis and phylogenetic analysis were performed after the RT-PCR products of nucleocapsid genes were sequenced. The results showed that this method could amplify Flavivirus specifically, and the size and sequence of the target fragment accorded with the anticipated result. JEV1201 had the highest homology to Japanese encephalitis virus strain YL2009-4/YC2009-3, belonging to the branch of the phylogenetic tree of Japanese encephalitis virus strains. JKD001 had the highest homology to Dengue virus strain DENV-2/ID/1022DN/1975, belonging to the branch of the phylogenetic tree of Dengue virus strains. YV6161 had the highest homology to Yellow fever virus strain 17D, belonging to the branch of the phylogenetic tree of Yellow fever virus strains. In conclusion, the method of CODEHOP RT-PCR can be effectively used to detect, identify, and phylogenetically analyse Flavivirus.
DNA Primers ; genetics ; Flavivirus ; classification ; genetics ; isolation & purification ; Flavivirus Infections ; virology ; Humans ; Molecular Sequence Data ; Phylogeny ; Reverse Transcriptase Polymerase Chain Reaction ; methods ; Viral Nonstructural Proteins ; genetics

Objective To evaluate the mid-term clinical and radiographic results of artificial disc replacement (ADR) for discogenic low back pain.Methods From July 2004 to July 2007,21 patients with discogenic low back pain,aged from 26 to 67 years,underwent lumbar ADR with the Charité Ⅲ artificial disc at 22 levels and Activ L prosthesis at 2 levels:L4-5 5 cases,L5S1 13 cases,L4-5 and L5S1 3 cases.The diagnosis was proved by discography in all the patients.The clinical and radiographic results were evaluated and compared between pre-,post-operation and finial follow-up.Results All patients were followed up for 4to 7 years (average,5.1 years).There were statistical differences between pre-operation and final follow-up in Oswestry disability index and Visual Analogue Scale for back pain and leg pain.All the prostheses were mobile without dislocation,breakage,subsidence or spontaneous fusion,only a slight scoliosis was noted in one patient.At the ADR levels,the anterior and posterior intervertebral height increased averagely 6.3 mm and 1.9 mm respectively,the lordosis increased 2.9°,and the mean range of motion (ROM) was 4.6°.At the adjacent level proximal to ADR,the intervertebral height and lordosis decreased slightly,and the ROM decreased 2.5°.The total lumbar lordosis increased 7.8°,and the total lumbar ROM increased 2.4°.According to MRI and CT scans,the degeneration of proximal adjacent disc and facet were not evident,however the degeneration of facets at the ADR levels was evident.Conclusion The 5 years results of ADR for discogenic low back pain were satisfactory,with preserved motion at the ADR level,and the degeneration of adjacent level was not evident.However,there was obvious degeneration in facet joints of the ADR level.