目的 调查广州市在校大学生AIDS相关知识及对HIV感染者态度现状,为学校更有效地开展大学生AIDS健康教育提供依据。方法 采用目的抽样方法,对广州市某高校 1200名在校大学生进行关于AIDS相关知识、态度的问卷调查。结果 不同年级、生源地,AIDS相关知识差异均有统计学意义(P值均＜0.01);多数学生对HIV感染者持积极态度,但仅5.73%的学生愿意与HIV感染者共餐;2.70%愿意与感染HIV的同学同住一个寝室。网络是大学生获取AIDS相关知识的最主要途径。结论 大学生AIDS相关知识知晓率水平较高,但缺乏系统性和全面性;多数学生对HIV感染者持积极态度,但是一旦与自我卷入较深,即表现出对HIV感染者的回避甚至歧视。高校应加强对大学生AIDS健康教育的系统性、全面性和深刻性,以消除对AIDS的心理恐惧,达到对HIV感染者的零歧视。

Objective To investigate the AIDS related knowledge of the Guangzhou undergraduates and the attitudes on HIV infection status, for the school to provide basis for AIDS health education and to carry out AIDS health education during college students more effectively. Methods 1200 college students in a university in Guangzhou were surveyed by a questionnaire on HIV/AIDS related knowledge and attitudes, using the way of purposive of sampling. Results There was statistical significant difference on the AIDS-related knowledge in the different grades and origin of students (P<0.01). The majority of students has a positive attitude to the HIV-infected, but only 5.73% of them wer willing to share a meal with HIV-infected persons, and 2.70% of them were willing to live with HIV-infected. The network is the most important way to access to HIV/AIDS related knowledge for college students. Conclusion The level awareness during college student on AIDS-related knowledge is high, but lack of systematic and comprehensive. The majority of students had a positive attitude towards the HIV-infetected, however once self-involved, they may avoid even discriminate the HIV-infected individuals. Therefore, the universities should strengthen AIDS health education of college students comprehensively and profoundly, in order to eliminate fear of AIDS, and reached zero discrimination HIV-infected persons in the future.

目的 了解广州地区儿童患者分离的社区获得性耐甲氧西林金黄色葡萄球菌(CA-MRSA)临床分离株的分子特征。方法 收集2009年—2014年我院分离获得的65株CA-MRSA临床分离株,PCR法检测杀白细胞素(PVL)基因阳性菌株,多位点基因序列类型(MLST)测定MRSA菌株的序列类型,多重PCR法对MRSA菌株进行葡萄球菌mec盒式染色体(SCCmec)分型。结果 65株CA-MRSA分离株中PVL基因阳性31株,阳性率47.69%;MLST分型表明以ST5933.84%(22/65)及ST8823.07%(15/65)为主;SCCmec分型中发现3种类型,分别为SCCmecⅡ 32.30%(21/65)、SCCmecⅣ 49.23%(32/65)及SCCmecⅤ 18.46%(12/65),未存在未能分型菌株。结论 广州地区儿童患者分离的CA-MRSA临床分离株的PVL基因阳性率相对较高,SCCmecIV型、V型可形成小范围内的流行,其基因表型存在多种ST分型。

Objective To investigate the molecular characteristic of Community-acquired Methicillin-resistant Staphylococcus aureus(CA-MRSA) isolates from pediatric patients in Guangzhou. Methods 65 non-duplicate strains of Community-acquired Methicillin-susceptible Staphylococcus aureus(CA-MSSA) isolated from our hospital in 2009-2014 were investigated. Panton-valentine leukocidin(PVL) gene was detected by polymerase chain reaction(PCR). The sequence type (ST) of each strain was determined by muhilocus sequence typing (MLST). The genotypes of staphylococcal cassette chromosome mec(SCCmec) of the CA-MRSA isolates were confirmed by multiplex PCR. Results Among 65 isolates of CA-MRSA, the positive rate of PVL genes was 47.69%(31／65). The most common MLST type was ST59 (n=22, 33.84%), followed by ST88 (n=15, 23.07%). Three SCCmec types were found. The most common type was SCCmecIV (49.23%, 32/65), followed by SCCmecⅡ (32.30%, 21/65) and SCCmecV (8.46%, 12/65). Conclusion The PVL gene-positive rate of CA-MRSA isolates in our hospitals is at a relatively high level. SCCmec type IV and SCCmec type V could spread among hospitals and cause a small scale epidemic. Their phenotypes have a variety of ST types.

目的 研究血管紧张素转换酶(ACE)基因插入/缺失(I/D)多态性与新疆地区维吾尔族(维族)、汉族人群原发性高血压(EH)的关系。方法 采用聚合酶链反应(PCR)检测此两类人群104例原发性高血压(病例组、EH)及102例健康人群(对照组、NT)血中ACE基因16号内含子的I/D多态性。统计各基因型频率、等位基因频率,并采用Logistic回归分析剔除混杂因素后ACE基因I/D多态性与EH的关系。结果 两族人群的EH组与NT组D等位基因频率及基因型频率差异均没有统计学意义(P>0.05)。但经Logistic回归分析校正各种混杂因素后,两族人群EH的发病率与ACE基因(I/D)多态性相关(P<0.05)。结论 ACE基因I/D多态性可能为新疆地区维族、汉族EH的易感因素。

Objective To investigate whether the insertion deletion(I/D) polymorphism in the angiotensin converting enzyme(ACE) gene is associated with essential hypertension(EH) in Uighur and Han population of Xinjiang. Methods The study covered 104 hypertension patients (EH) and 102 normotensive controls (NT). The variant of ACE I/D was determined by polymorphism chain reaction (PCR). Logistic was used to analyze the ACE I/D polymorphism compared with ACE genotype. Results There was no significant difference between the EH and NT group about the genotype frequency and allele frequency(P>0.05). Using logistic regression analysis, adjusted for confounding factor, there was a relationship between EH and ACE gene I/D polymorphism(P<0.05). Conclusion The results suggest that the I/D polymorphism of ACE gene is associated with the EH in the Uighur and Han people of Xinjiang.

目的 探讨产褥期静脉血栓栓塞症的发病机制、诊断、高危因素及预防措施。方法 回顾性分析2008年1月—2014年12月间在东莞市长安医院住院诊治的7例产褥期静脉血栓栓塞症患者的临床资料。结果 7例患者产后均未主动进行静脉栓塞症的预防性治疗,3例为静脉栓塞症高危患者,4例为静脉栓塞症中危患者。结论 应对产褥期患者进行静脉栓塞症的风险评估,并根据风险评估积极主动地预防静脉血栓栓塞症。

Objective To study the pathogenesis, clinical manifestation of venous thromboembolism, and its risk factors and preventive measures. Methods 7 cases of venous thromboembolism admitted in our hospital from 2008 to 2014 were reviewed retrospectively. Results All of the 7 cases were not given preventive treatment actively.3 cases were in high-risk, the other 4 cases were in intermediate risk. Conclusion It is important to assess the risk of venous thromboembolism during puerperium. And it is necessary to prevent venous thromboembolism actively based on the risk assessment.

目的 观察术前宣教对支撑喉镜喉肿物摘除患者全麻苏醒期的影响。方法 选择择期支撑喉镜喉肿物摘除全身麻醉手术的患者72例。随机分成两组进行效果对比,一组为接受常规护理的对照组,另一组为本次接受术前宣教观察组。分别对两组患者术后苏醒期躁动发生情况、心血管变化及配合性进行对比。结果 观察组患者通过术前宣教,有效减少全麻苏醒期患者躁动相关情况的发生,其心率、血压水平也较稳定,与对照组相比较差异有统计学意义(P<0.05);两组患者配合性相比较,差异有统计学意义(P<0.05)。结论 对支撑喉镜喉肿物摘除行全麻手术的患者进行术前宣教护理,可以有效减少苏醒期患者躁动的发生率,减轻气管拔管对心血管影响。提高整体治疗护理效率,达到更高的满意度,该方法切实可行,值得临床广泛运用。

Objective To obeserve the effect of preoperative education on the recovery period of general anesthesia after suspension laryngoscopic surgery. Methods Seventy-two adult patients undergoing suspension laryngoscopic surgery were randomly divided for the effect contrast.Routine nursing were adopted for control-group while the only difference for the observation group was the preoperative education. The occurrence of emergence agitation, hemodynamic, and compliance degree were compared between the two groups. Results Through preoperative education,observation group can significantly reduce the occurrence of agitation effectively and keep hemodynamics more stable than control group.Moreover,the compliance degree in two groups also has statistical significance (P<0.05). Conclusion Preoperative education can succeed in reducing the incidence of emergence agitation,inhibiting the responses to endotracheal extubation after suspension laryngoscopic surgery. Thus, preoperative education is feasible to enhance the overall effectiveness of treatment and nursing care. It is worth in popularization and application in clinical practice.

目的 评估灯盏花素联合自血穴位注射疗法治疗慢性阻塞性肺疾病急性加重期(AECOPD)的临床疗效。方法 对照组使用常规治疗方法,治疗组加用灯盏花素联合自血穴位注射疗法。所有入组患者在入院和出院当天进行圣乔治呼吸问卷(SGRQ)评分和COPD评估测试(CAT)评分,使用统计软件比较两组的SGRQ总评分、CAT评分和住院天数。结果 SGRQ总评分、CAT评分和住院天数有正相关关系;和对照组相比较,治疗组SGRQ总评分在治疗前后没有差异, CAT评分在治疗前后有差异,治疗组的住院天数减少。结论 SGRQ总评分、CAT评分能够反映AECOPD病情,CAT评分更加适合评估AECOPD短期病情变化,灯盏花素联合自血穴位注射疗法治疗AECOPD具有临床疗效。

Objective It was evaluated the clinical effect of the treatment of acute exacerbation of chronic obstructive pulmonary disease (AECOPD) with Breviscapine combined with self-blood acupoint injection therapy. Methods Routine treatment methods were used in the controlled group. Breviscapine and the self-blood acupoint injection therapy were added into the treatment group. St George's respiratory questionnaire (SGRQ) and chronic obstructive pulmonary disease assessment test (CAT) were done in all enrolled patients. And the total score of SGRQ, the score of CAT and the length of stay in hospital were assessed. Results There were positive relationships between the total score of SGRQ, the score of CAT and the length of stay in hospital.compared with the controlled group, before and after the treatment, significant difference was not observed with the overall score of SGRQ in the treatment group, but was observed with the score of CAT in the treatment group, and stay time in hospital in the treatment group was declined obviously. Conclusion The total score of SGRQ and the score of CAT could reflect the conditions of AECOPD, and the latter was more suitable for the evaluation of the condition change in short period. The clinical effects were obvious in the treatment of AECOPD with Breviscapine combined with self-blood acupoint injection therapy.

目的 调查重症监护病房(ICU)医院感染的常见细菌分布及耐药性变化,为合理使用抗生素和医院感染的预防控制提供相关科学依据。方法 回顾性分析医院2007—2011年ICU收治的381医院感染患者感染菌株分布特点及耐药性情况。结果 ICU医院感染常见菌株主要来源于痰液标本,占78.2%,其次是血液。381 株临床分离菌中共检出革兰阴性杆菌262 株、革兰氏阳性球菌70例和真菌49例,分别占68. 8%、24.9%和占17.4%。革兰阴性杆菌中鲍氏不动杆菌(24.7%)、肺炎克雷伯氏杆菌(10.8%)、铜绿假单胞菌(9.2%)排前三位。其中除碳青霉烯类药物及抑酶制剂,鲍氏不动杆菌对其余抗菌药物耐药率均＞40%。革兰氏阳性球菌以金黄色葡萄球菌为主。对青霉素、庆大霉素、红霉素的耐药率均＞50%。结论 呼吸道仍是ICU最常见的感染部位。病原菌以革兰阴性杆菌为主,且对常用抗菌药物的耐药率逐渐升高,临床应加强抗菌药物规范使用,避免耐药菌株的产生。

Objective To investigate the distribution and drug resistance of pathogens in intensive care unit(ICU)causing nosocomial infections so as to provide scientific basis for antibiotic adoption and the prevention and control of nosocomial infections. Methods The specimen sources and the clinical distribution of the 381 pathogens isolated from 2007 to 2011 were retrospectively analyzed. The drug resistance was observed in ICU that causing nosocomial infections. Results The sputum was the major specimens source in ICU, accounting for 78.2%. Of the 381 pathogens causing nosocomial infections in ICU, the 262 gram-negative bacilli (68.8%), 70 gram-positive cocci (24.9%),and 49 fungi (17.4) were isolated, Among gram-negative bacilli the top three were acinetobacter baumannii (24.7%), klebsiella pneumonia(10.8%),and pseudomonas aeruginosa (9.2%). The drug resisitance rate of baumannii to antibiotics were more than 40%,beside carbapenem and B-Lactamaseinhibitors. The main gram-positive cocci of causing nosocomial infections was saphylococcus aureus in ICU. The drug resisitance rate of S. aureus to penicillin, erythromycin and gentamicin were higher than 50.0%. Conclusion The main distribution area of nosocomial infections was the respiratory tract and the gram-negative bacilli were the common pathogens in ICU. It was benefit to avoid presenting of drug resistant strain, and antibiotics should be reasonably used in clinic.

目的 探讨影响自然周期供精人工授精妊娠的因素。方法 回顾性分析2007年4月—2013年4月期间在广东省计划生育专科医院行自然周期供精人工授精的6161个周期,其中妊娠组1454周期,对照组4707个周期。采用单因素分析及多因素Logistic回归分析女方年龄、不孕年限、子宫内膜厚度、类型及冻融复苏后前向运动精子总数与AID妊娠结局的关系。结果 年龄越大,不孕年限越长,妊娠率越低(P＜0.001); A型子宫内膜妊娠率25.94%较AB型的23.87%及B型的21.54%都高(P=0.001);妊娠组冻融复苏后前向运动精子总数均值(28.95±6.86)×10⁶较对照组的(28.26±6.98)×10⁶高(P=0.001);年龄(OR=1.614,P＜0.001)、不孕年限(OR=1.194,P=0.012)、子宫内膜分型(OR=1.258,P=0.001)影响妊娠率。结论 女方年龄、不孕年限、子宫内膜形态及冻融复苏后前向运动精子总数是影响自然周期供精人工授精妊娠的因素。

Objective To explore the parameters affecting the pregnancy rate from 6161 natural cycles of artificial insemination by donor(AID). Methods Consecutive cases of 6161 natural cycles of AID from April,2009 to April 2013 in Guangdong provincial family planning special hospital were analyzed retrospectively.1454 pregnant cycles were defined as observation group and the other 4707 non pregnant cycles were classified as control group.Related factors in effect of pregnancy rate of AID were analyzed by logistic regression analysis. Results The rate of pregnancy decreased with the increase of women ages and the infertility duration(P＜0.001).And the pregnancy rate of ICI among the women with type A endometrium was the highest among the three types of endometrium(25.94%vs23.87%vs21.54%,P=0.001).The sum of the forward moving sperm after freezing and thawing recovery of observation group is higher than control group(28.95±6.86)×10⁶vs (28.26±6.98)×10⁶.The value of OR of age,infertility duration and types of endometrium were 1.614,1.194 and 1.258,respectively. Conclusion Age of women,infertility duration,types of endometrium as well as the sum of the forward moving sperm after freezing and thawing recovery played an important role in pregnancy rate of natural cycles of AID.

目的 探讨生长抑素对腹部手术后早期肠内营养支持顺应性的影响。方法 选择在本院接受中等以上腹部手术的住院病人60例,随机分成实验组和对照组各30例,手术后12 h开始给予早期肠内营养支持,连续5 d,实验组按常规使用生长抑素5 d,而对照组未使用生长抑素;比较两组在术后5 d内胃肠道不适的发生与否,胃肠减压的引流量,肠蠕动功能恢复情况,以及术后7 d的血液常规、肝、肾功能及血糖等血液生化指标。结果 与对照组比较,实验组在手术后胃肠道不适的发生,鼻胃管(胃肠减压)引流量,肠蠕动功能恢复时间等差异有统计学意义;术后7 d的血液常规、肝、肾功能及血糖等指标比较差异无统计学意义。结论 生长抑素有助于机体对腹部手术后肠内营养支持的顺应性,并安全可行。

Objective To study the clinical effects of somatostatin on compliance of early enteral nutrition after abdominal surgery. Methods 60 cases who accepted above medium abdominal operations were randomized into two groups including 30 cases of treatment group with somatostatin on the bases of early enteral nutrition and 30 cases of control group with early enteral nutrition, continued for 5 days after abdominal surgery. The promotion of clinical manifestations and signs, gastrointestinal decompression, blood routine examination, liver and renal function, blood glucose and so on were compared between the two groups. Results As for clinical manifestations and signs promotion, there were statistically significance in the alleviation of pain and distension of the abdominal and the average volume gastrointestinal decompression and the time of recovering peristalsis and passing flatus (P<0.05).As for blood routine examination, liver and renal function, blood glucose there were no statistically significance between the two groups. Conclusion Somatostatin can effected on compliance of early enteral nutrition after abdominal surgery.