BACKGROUND: The existing electrocardiogram(ECG)measurement strongly depends on medical professionals and inefficient high-intensity,or relies on automatic identification method which is not accurately enough.Thus,this is difficult to meet high-speed testing,accurate results and ease application for common people.OBJECTIVE: To develop a new method that was simple and efficient to apply and very easy to learn.METHODS: Algorithms were programmed and test software was developed by delphi7.0.ECG was drawn on screen.The apex,the starting point and the ending point as well as the J-point of each ECG wave were clicked by mouse or stylus.Then the wave parameters and an initial diagnosis could be quickly obtained by test software.RESULTS AND CONCLUSION: The parameters of ECG waveform such as wave height,wave time,PR interval,ST segment,QT segment,PP/RR time,cardiac electrical axis and so on could be accurately measured,and heart rate,heart rhythm and the deflection of cardiac electrical axis could be diagnosed correctly.The method was simple to learn and easy to imply,and it was also efficient,quick and accurate.Thus,it could greatly improve the efficiency of measurement and analysis for specialists,and could meet application requirements of general medicals and ordinary people.

Diabetic gastroparesis (DGP) is one of the most common complications of diabetes. Acupuncture is an ef-fective treatment for DGP in recent years. Literatures on acupuncture therapy for DGP treatment were screened for the past 10 years. Statistical analysis was made on acupoints used in the literatures in order to find the most com-monly used acupoints and combinations. This article was aimed to explore and summarize the use of the acupuncture law for the better service of clinical practice.

Objective To observe the effect and the skin flap necrosis situation of low concentration methylene blue dye in sentinel lymph node biopsy of breast cancer compared with normal concentration methylene blue dye.Methods One hundred and thirty-eight cases patients with early breast cancer who were treat by sentinel lymph node biopsy surgery in Breast surgery Department of Sichuan ProvincialTumor Hospital from June 2016 to February were selected,and randomly divided into low concentration methylene blue dye group (n =69) and common concentration methylene blue dye group (n =69).Observed and recorded the sentinel lymph node detection and skin flap necrosis of relevance ratio(1％ and 0.1％ concentration methylene blue dye) concentration methylene blue dye in both two groups.Results There were no significant differences in terms of number of sentinel lymph node detection,the detection rate and false negative rate in two groups,while the rate of cutaneous necrosis in low concentration methylene blue dye group was lower (5.8％ vs.0％,P =0.025).Conclusion The effect of low concentration methylene blue dye in sentinel lymph node biopsy of breast cancer is the same as that of common concentration while the low concentration group with fewer side effects.

Objective To investigate the role of tet methylcytosine dioxygenase 2 (TET2) in the regulation of transforming growth factor-β1 (TGF-β1) expression in human glomerular mesangial cells induced by high glucose.Methods Cultured human glomerular mesangial cells were divided into normal control group (5.5 mmol/L glucose) and high glucose group (30.0 mmol/L glucose) which was cultured for 12 h to 72 h.The gene expression of TET2 in mesangial cells were inhibited by small molecule chemical called SC1,and which were divided into high glucose group (30.0 mmol/L glucose+ DMEM),DMSO group (30.0 mmol/L glucose+0.1％DMSO) and SC1 group (30.0 mmol/L glucose+3 μmol/L SC1).The mRNA and protein expression of TGF-β1,TET1 to 3 and α-smooth muscle actin (α-SMA) was detected by quantitative real-time PCR and Western blotting.Methylation of CpG islands in the regulation region of TGF-β1 was detected by bisulfite sequencing PCR (BSP).The activity of mesangial cell proliferation was assessed by colorimetry of thiazolyl blue (MTT).Results Compared with normal control group,the mRNA and protein expression of TET2 in mesangial cells induced by high glucose was increased significantly in a time-dependent manner (all P ＜ 0.05),but the expression of TET1 and TET3 was not affected.Meanwhile methylation rate of 4 CG sites from 24 h to 72 h were decreased in the first exon of TGF-β1 (P ＜ 0.01),but not in the promoter.Compared with high glucose group,when the expression of TET2 was inhibited by SC1,the methylation rate of TGF-β1 was recovered evidently (P ＜ 0.05),the mRNA and protein expression of TGF-β1 and α-SMA was suppressed,and the proliferation of mesangial cells was decreased (all P ＜ 0.05).Conclusions Demethylation of the CpG island mediated by TET2 may play an important role in the expression of TGF-β1 and mesangial cell phenotype transformation induced by high glucose.

Objective To observe the clinical effect of western medicine combined with traditional reatme medicine in the treatment of ear herpes zoster.Methods 60 herpes zoster oticus patients were selected,randomly divided into observation group and control group,30 cases in each group.The control group received conventional western medicine treatment,while the observation group treated with integrated traditional Chinese and western medicine treatment.Two groups of clinical curative effects,and the average healing time of clinical symptoms were observed.Results The total effective rate in observation group was 93.3 %,which was 73.3 % in the control group,the difference was statistically significant(x2 =4.32,P ＜0.05),the clinical symptoms of two groups of cure time average of the differences were statistically significant (t =5.24,7.72,7.70,6.21,all P ＜ 0.05).Conclusion The western medicine combined with traditional reatme medicine in the treatment of ear herpes zoster has better effect than that of western medicine.

Mycoplamas are a group of wall-less prokaryotes widely distributed in nature, some of which are pathogenic for humans and animals. There are many lipoproteins anchored on the outer face of the plasma membrane, called lipid-associated membrane proteins (LAMPs). LAMPs are highly antigenic and could undergo phase and size variation, and are recognized by the innate immune system through Toll-like receptors (TLR) 2 and 6. LAMPs can modulate the immune system, and could induce immune cells apoptosis or death. In addition, they may associate with malignant transformation of host cells and are also considered to be cofactors in the progression of AIDS.
Animals ; Humans ; Lipids ; Membrane Proteins ; metabolism ; Mycoplasma ; physiology ; Mycoplasma Infections ; immunology ; metabolism ; microbiology ; pathology ; Protein Binding ; Signal Transduction

Objective Toexplorethecorrelationbetween MRIcharacteristicsandaxillarylymphnode metastasisofmass-type breastcancer.Methods MRIcharacteristicsandpathologicalresultsofpostoperativeaxillarylymphnode metastasisin187cases withmass-typebreastcancerwereanalyzedretrospectively.Accordingtothenumberoflymphnodemetastases,allofthepatients weredividedintothefourgroups:pN0,pN1,pN2andpN3.Thecorrelationbetween MRIsignsand N pathologicalstagesineach groupwereanalyzed.Results Therewere108casesinpN0group,33casesinpN1group,22casesinpN2groupand24casesinpN3 groupI.nthedifferentgroups,therewere15,5,1and1casewithroundmassrespectively;8,1,1and0casewithlobularmasserespectively;85, 27,20and23caseswithirregularmasserespectively.Theshapeswerenotsignificantlydifferentamongthedifferentgroups(P>0.05)I.nthe differentgroups,therewere7,0,1and0casewithclearmarginrespectively;69,14,7and8caseswithirregularmarginrespectively;32,19,14and16caseswithspiculatedmarginrespectively.Themarginsweresignificantlydifferentamongthedifferentgroups(P<0.05)I.nthe differentgroups,therewere55,16,14and18caseswithheterogenousenhancementrespectively;43,14,5and6caseswithringenhancement respectively;3,1,1and0casewithcentralenhancementrespectively;7,2,2and0casewithseptumenhancement.Theenhancement patternswerenotsignificantlydifferentamongthedifferentgroups (P>0.05).ThenumbersofthemasswithtypeⅠ,ⅡandⅢtime-signalcurvesandtheADCvalueswerenotsignificantlydifferentamongthedifferentgroups(P>0.05).Conclusion MRIfeaturesof mass-typebreastcancershavelimitedvalueindeterminingaxillarylymphnodemetastasis.However,thespiculatedmarginofmassis valuableindeterminingaxillarylymphnodemetastasis.

BACKGROUNDThis study was designed to investigate the potential pathogenicity of Mycoplasma penetrans (M. penetrans) and its molecular mechanisms responsible for the induction of iNOS gene expression in mouse macrophages stimulated by lipid-associated membrane proteins (LAMPs) prepared from M. penetrans.

METHODSMouse macrophages were stimulated with M. penetrans LAMPs to assay the production of nitric oxide (NO). The expression of inducible nitric oxide synthase (iNOS) was detected by RT-PCR and Western blotting. The activity of nuclear factor kappaB (NF-kappaB) and the effects of pyrrolidine dithiocarbamate (PDTC), an inhibitor of NF-kappaB, on the production of nitric oxide and the expression of iNOS were also assessed in mouse macrophages treated with M. penetrans LAMPs by indirect immunofluorescence and Western blotting.

RESULTSM. penetrans LAMPs stimulated mouse macrophages to produce nitric oxide in a dose- and time-dependent manner. The mRNA and protein levels of iNOS were also upregulated in response to LAMP stimulation and inhibited by PDTC treatment. M. penetrans LAMPs were found to trigger NF-kappaB activation, a possible mechanism for the induction of iNOS expression.

CONCLUSIONThis study demonstrated that M. penetrans may be an important etiological factor of certain diseases due to the ability of M. penetrans LAMPs to stimulate the expression of iNOS, which is probably mediated through the activation of NF-kappaB.

Animals ; Bacterial Proteins ; pharmacology ; Cells, Cultured ; Enzyme Induction ; Lipoproteins ; pharmacology ; Membrane Proteins ; pharmacology ; Mice ; Mycoplasma penetrans ; chemistry ; NF-kappa B ; metabolism ; Nitric Oxide ; biosynthesis ; Nitric Oxide Synthase ; biosynthesis ; Nitric Oxide Synthase Type II ; RNA, Messenger ; analysis

OBJECTIVETo investigate the approach of emergency management for severe pelvic fracture associated with injuries of adjacent viscera and evaluate the therapeutic effect.

METHODSThe data of 79 patients with severe pelvic fracture associated with injuries of adjacent viscera were retrospectively studied, and the study covered a period of 14 years.

RESULTSTo cease massive bleeding due to pelvic fracture, ligation of internal iliac arteries was performed on 33 cases, and angioembolization on 8. Of 42 patients with cystic or/and urethral injury, 35 underwent cystostomy and delayed reconstruction, and 7 received a primary realignment. All of 17 patients with injury of retroperitoneal rectum underwent diverting colostomy of the proximal end of sigmoid with presacral drainage, but 4 received primary repair without colostomy. In 22 patients with intraperitoneal colorectal injury, 19 were managed with primary repair or anastomosis while 3 received a colostomy. The overall mortality rate was 8.86% (7/79); the main causes were hemorrhagic shock and associated injury. The complications included urethro-rectal fistula in 4 cases, thrombosis of right common iliac artery in 1, ARDS following chest trauma in 1, and paraplegia in 1. Except the patient with paraplegia, all of them were cured.

CONCLUSIONSPrompt diagnosis and proper treatment are the key to success. Devascularization of internal iliac arteries with external fixation cage of the pelvis, cystostomy and proximal sigmoidostomy are effective procedures in emergency treatment of the critical patients.

Abdominal Injuries ; complications ; therapy ; Adolescent ; Adult ; Aged ; Female ; Fractures, Bone ; complications ; therapy ; Hemorrhage ; etiology ; therapy ; Humans ; Male ; Middle Aged ; Pelvic Bones ; injuries ; Retrospective Studies ; Treatment Outcome

Objective To investigate the feasibility of T2 mapping in evaluating the composition of shoulder cartilage,and to quantitatively analyze T2 values of articular cartilage in healthy young volunteers.Methods Oblique coronal T2 mapping imaging with 8 echo was performed in bilateral shoulder of 16 young healthy volunteers.The pseudo-color map was obtained with post-processing.The shoulder joint cartilage was equally divided into the external,central and internal zones,and T2 values were measured quantitatively.T2 values in the external,central and internal zones were analyzed and compared.T2 values of cartilage between male and female volunteers as well as between left and right sides were analyzed.Resuits T2 values in the external,central and internal zones of cartilage were (38.67 ± 2.82)ms,(38.41 ± 2.52)ms and (36.49± 1.80)ms,respectively.The overall difference was statistically significant (F=7.789,P=0.001).T2 values in the external and central zones of cartilage were larger than those in the internal zone (both P＜0.05).T2 values of cartilagehad no significant differences between the left and right sides in the external,central and internal zones (all P＞0.05).There was significant difference of T2 value in the central zone (P＜0.05),while no significant difference of T2 value in the external and internal zones between different genders was found (both P＞0.05).Conclusion T2 mapping imaging can be used to evaluate the composition of shoulder cartilage changes.