Analysis of curative effect and drug tolerance in the treatment of severe bacterial oculopathy by levofloxacin / 国际眼科杂志(Guoji Yanke Zazhi)

To evaluate the curative effect and drug tolerance in the treatment of severe bacterial keratitis and conjunctivitis by levofloxacin. ●METHODS: Totally 195 patients with severe bacterial keratitis and conjunctivitis were included in this study. Based on the sequence of enrollment, they were randomly divided into three groups: group A ( 65 patients) received levofloxacin, group B ( 65 patients) received suture method under microscope, group C received suture method with loupe besides the same basic operative treatment in the two groups. The curative effect and drug tolerance were observed and compared statistically. ●RESULTS: ln group A, 54 cases were cured, in the rate of 83. 1%, 7 cases ( 10. 8%) were excellent, 3 cases (4. 6%) were valid, 1 case (1. 5%) was invalid. ln group B, 25 cases (38. 5%) were cured, 6 cases (9. 2%) were excellent, 23 cases (35. 4%) were valid, 11 cases (16. 9%) were invalid. ln group C, 4 cases (6. 2%) were cured, 3 cases (4. 6%) were excellent, 36 cases (55. 4%) were valid, 22 cases (33. 8%) were invalid. The curative effect and drug tolerance among groups had obvious differences (P ●CONCLUSlON: Levofloxaoin is effective and safe for the treatment of bacterial conjunctivitis and keratitis, which is not resistant and worthy of promotion.

Quality assurance on accuracy of the external laser centre in CT simulator / 中华放射肿瘤学杂志

Objective Transpherical technique of CT scanner of beekley spot quality assurance (BBQA) and its effect in CT simulator QA.Methods Vertical column,BB,Jig,Philips PQS-Falcon CT, ACQSIM workstation and the laser system were used.Scanning BB was used in sending image to the AC- QSIM workstation.In this system,after describing the BB,isocenter can be established.Then,tile couch with the lasers were moved to the programmed position.Checking was needed.Results The center of the laser should just be found on the BB.Otherwise the laser system should be regulated again.Conclusions Beekley spot quality assurance,being the very important center of any QA program,influences the accuracy of quality of the treatment.

Stereotactic radiotherapy for over 70-year-old patients with early stage non-small cell lung cancer / 中华老年医学杂志

Objective To evaluate the short-term therapeutic effect and radiation reaction of stereotactic radiotherapy for early stage non-small cell lung cancer in the elderly patients. Methods Thirty-one patients with stage Ⅰ - Ⅱ non-small cell lung cancer were treated with stereotactic radiotherapy. Patients aged 70-88 years, median age 76; 21 were stage I patients, and 10 stage Ⅱ ; 14 patients had tumor