Objective To analyse reperfusion arrhythmias in AMI patients treated by direct PCI. To investigate prevention and treatments so as to elevate operation achievement ratio.Methods One hundred and seventy six AMI patients underwent direct PCI; of the 176 patients, 56 presented reperfusion arrhythmias. Observations were made in the context of the different arrhythmias, relation between the time onset of the arrhythmias after reperfusion, relation of infarct size number of the involved vessels and the infarct size to the arrhythmias. Results PCI performed with six hours after AMI showed much higher incidence of arrhythmias than PCI performed six to twenty four hours after AMI (P0.05).Conclusions Reperfusion arrhythmias were commonly seen in AMI patients treated by direct PCI. Early prevention and detection with appropriate treatment is the key to elevate survival rate leading to a better prognosis.

5 cm in diameter) of soft tissue density with irregular margins in sacrococcygeal region in all patients,the masses were of homogeneous density,no calcification and sacrococcygeal bone erosion,the CT value was 34~24 HU.The organs around the lesions were compressed and displacement.Conclusion In infants,huge homogeneous soft tissue-like and non-calcific mass with irregular margin in the sacrococcygeal region accompanied by bony destruction,hemangiopericyte sarcoma should be considered.

Objective:To explore the influence of different transport modes on the efficacy of direct percutaneous coronary intervention (PCI) in patients with acute ST‐elevation myocardial infarction (STEMI) .Methods :A total of 268 STEMI patients undergoing emergency PCI during Jan 2013 and Dec 2014 were selected .Among them ,there were 139 patients whose single‐time 12‐lead ECG results were scanned and sent to specified cardiologists ’ cellphones by ambulances or community doctors via wechat app (chest pain center mode exploration group ) and 129 patients who went to hospital by themselves (common treatment group) .The door to balloon dilatation time (D‐to‐B) ,the probability of D‐to‐B shorter than 90 minutes (target rate ) , the mortality during hospitalization , the incidence of heart failure , the average hospitalization days and hospitalization cost were compared between the two groups .Results:The results of comparison between the chest pain center mode exploration group and the common treatment group were shown as below :the D‐to‐B time ([86 .4 ± 4 .5] min vs .[97 .4 ± 10 .3] min ,P<0 .01) ,hospital during mortality (2 .9% vs9 .3% ,P<0 .05) ,the incidence of heart failure (4 .3% vs .11 .6% ,P<0 .05) ,the average hospitalization days ([8 .7 ± 3 .2] d vs .[10 .9 ± 4 .5] d ,P<0 .05] and hospitalization costs ([50 347 ± 19 310] yuan vs .[58 102 ± 41 178] yuan ,P<0 .05) .And all the differences were statistically significant .Conclusions :Regional chest pain center mode can shorten the reperfusion time and reduce the short‐term mortality for STEMI patients .

Objective:To investigate the clinical outcomes of minimally invasive lateral lumbar interbody fusion (LLIF) and the necessity to perform LLIF plus posterior direct decompression in the treatment of severe degenerative lumbar spinal stenosis (DLSS).Methods:In this prospective randomized, controlled trial, we assigned 71 patients, who were 50 to 80 years old, and diagnosed with severe DLSS (Schizas Classification grade C on magnetic resonance imaging), in a 1∶1 ratio to undergo either one-stage LLIF plus posterior internal fixation (treatment group) or CLIF plus posterior internal fixation with laminectomy (control group). Demographic and perioperative data were collected and compared. The clinical outcome measures included Oswestry Disability Index (ODI), Zurich Claudication Questionnaire (ZCQ) score as well as visual analogue scale (VAS). Patients were followed up for at least 1 year.Results:The treatment group included 36 patients with 46 surgical levels, while the control group included 35 patients with 46 surgical levels. The baseline demographic data of the 2 groups were equivalent in preoperative central canal areas, spinal canal anteroposterior diameter, disc height, ODI, ZCQ score for symptom severity and physical function, as well as VAS scores for back and leg pain. The mean operative time, blood loss, drainage volume and hospital stay of the treatment group are significantly less than the control group (157.2±29.1 min vs. 180.6±26.8 min, 75.6±39.1 ml vs. 108.6±43.3 ml, 136.9±73.9 ml vs. 220.5±121.3 ml, 5.3±1.1 d vs. 6.6±2.3 d). There were 2 cases with dura tear and 1 case with wound infection in control group. Thus, the surgical trauma and complications of the control group were more than the treatment group. At 1-year follow-up, the mean ODI score of treatment group improved from 42.24%±10.70% preoperatively to 18.21%±11.49%, the mean ZCQ symptom severity from 2.89±0.38 to 1.61±0.41, the mean ZCQ physical function from 2.31±0.45 to 1.50±0.37, the mean VAS for back from 5.56±1.19 to 1.97±1.13 and the mean VAS for leg from 4.44±1.81 to 0.94±1.26. At 1-year follow-up, the mean ODI score of the control group improved from 43.65%±14.93% preoperatively to 17.36%±12.15%, the mean ZCQ symptom severity from 2.92±0.52 to 1.65±0.39, the mean ZCQ physical function from 2.37±0.52 to 1.55±0.39, the mean VAS for back from 5.63±1.40 to 2.34±1.47, and the mean VAS for leg from 4.37±2.14 to 0.83±1.20. The ZCQ satisfactory score of both groups were not significant different (1.25±0.45 vs. 1.26±0.43, t=0.07, P=0.944). The mean improvement rate of both groups for ODI, ZCQ symptom severity, ZCQ physical function, VAS back and VAS leg at 1-year follow-up were not significant different (55.43%±27.74% vs. 58.36%±25.06%, 43.07%±17.22% vs. 42.66%±12.95%, 32.25%±23.65% vs. 31.71%±23.24%, 62.65%±21.25% vs. 58.37%±22.44%, 78.94%±26.41% vs. 85.45%±20.53%). One adjacent segment disease was found in each group at 1 year follow-up. Conclusion:CLIF+ posterior internal fixation in the treatment of Schizas Grade C DLSS has satisfactory clinical outcome at 1-year follow-up. Laminectomy increases surgical trauma, but does not significantly improve the clinical outcome at 1-year follow-up.