目的 探讨血浆置换联合泼尼松（PDN）联合环磷酰胺（CTX）治疗抗黑色素瘤分化相关基因5（MDA5）抗体阳性皮肌炎（DM）伴肺间质纤维化（ILD）患者疗效及安全性。方法 回顾性分析2014年6月—2023年6月普洱市人民医院诊断的MDA5阳性DM伴ILD患者40例,其中治疗组20例,采用血浆置换联合PDN 1 mg/kg每日1次口服,4周后减量,每周减总量10%,CTX 1 g每月1次静脉滴注,共6次治疗;另20例设为对照组,采用PDN 1 mg/kg每日1次口服,4周后减量,每周减总量10%,CTX 1 g每月1次静脉滴注,共6次治疗,分别于治疗后3月、6月检测一氧化碳弥散量（DLCO）、第1秒用力呼气量（FEV₁）,血清铁蛋白（SF）、C-反应蛋白（CRP）、涎液化糖链抗原（KL-6）、MDA5转阴率行疗效评估。结果 在治疗3个月和6个月时,两组患者的DLCO、FEV1、SF、CRP、KL-6、MDA5转阴率等指标的完全缓解率不一致。其中,3个月时,治疗组上述指标的完全缓解率依次为95%、85%、90%、90%、90%、85%,对照组依次为15%、20%、20%、15%、0%、0%。两组患者在治疗3个月的DLCO、FEV1、SF、CRP、KL-6水平和MDA5转阴数均有所不同。其中治疗组的DLCO、KL-6、CRP水平均较对照组降低（P<0.01）,治疗组FEV₁水平较对照组升高（P<0.01）,治疗组SF水平较对照组降低（P<0.05）,两组治疗6个月时,治疗组上述指标缓解率依次为95%、85%、90%、90%、90%、85%,对照组依次为20%、25%、20%、20%、20%、5%。两组患者在DLCO、FEV₁、SF、CRP、KL-6水平以及MDA5转阴数和死亡例数方面比较差异均有统计学意义,其中治疗组的DLCO、KL-6和CRP水平均较对照组降低（P<0.01）,治疗组FEV₁水平较对照组升高（P<0.01）,SF水平治疗组较对照组降低（P<0.05）。结论 在MDA5抗体阳性DM伴ILD患者治疗中,给予血浆置换联合PDN、CTX治疗,可以提高疗效,降低病死率。

Objective To explore the effect of plasmapheresis combined with prednisone（PDN）plus cytoxan（CTX）on patients with anti-melanoma differentiation-associated gene 5（MDA 5）antibody-positive dermatomyositis（DM）with interstitial lung disease（ILD）. Methods The data of 40 patients with MDA 5 positive DM and ILD diagnosed in the People's Hospital of Pu'er City from June 2014 to June 2023 were retrospectively was analyzed．Twenty patients of the treatment group were treated with plasmapheresis combined with PDN 1mg / kg once daily,which was reduced by 10% per week after 4 weeks．The other 20 patients of the control group were treated with PDN 1mg / kg once daily,which was reduced after 4 weeks by 10% per week,and CTX 1g once per month．diffusing capacity of the lungs for carbon monoxide（DLCO）,forced expiratory volume in the first second（FEV₁）,serum ferritin（SF）,C-reactive protein（CRP）,Krebs Von den Lungen-6（KL-6）and MDA5 negative conversion rate were measured at 3 and 6 months after treatment,respectively. Results At 3 and 6 months of treatment,complete remission rates of DLCO,FEV₁,SF,CRP,KL-6,MDA 5 conversion and other indicators were inconsistent．Among them,at 3 months,the complete response rate of the above indicators in the treatment group was successively：95%,85%,90%,90%,90% and 85%．The control group was 15%,20%,20%,15%,and 0%,0%．Statistical analysis showed that the levels of DLCO,FEV₁,SF,CRP,KL-6 and MDA 5 significantly varied at 3 months of treatment．Pairwise comparison of LSD found that the DLCO,KL-6 and CRP levels in the treatment group were significantly lower than the control group（P<0.01）,the FEV₁ level in the treatment group was significantly higher（P<0.01）,and the SF level in the treatment group was significantly lower（P<0.05）．After 6 month of treatment,the complete response rate of the above indicators in the treatment group were 95%,85%,90%,90%,90% and 85%,and the complete response rate of the above indicators in the control group was 20%,25%,20%,20%,20% and 5%．Statistical analysis showed the levels of DLCO,FEV₁,SF,CRP,KL-6 for the amount of MDA 5 and the number of deaths between two groups were significantly different．Further pairwise comparison of LSD showed that the DLCO,KL-6 and CRP levels in the treatment group were significantly lower compared with the control group（P<0.01）,the FEV₁ level was significantly increased compared with the control group（P<0.01）,and the SF treatment group was significantly decreased compared with the control group（P<0.05）. Conclusions In the treatment of patients with MDA 5 antibody positive DM with ILD,the treatment of plasmapheresis combined with PDN and CTX can significantly improve the efficacy and reduce the mortality rate．

目的 分析抗中性粒细胞胞浆抗体(ANCA)阳性类风湿关节炎(RA)患者的临床及血清学特征。方法 回顾性比较分析2019—2020年本院住院113例核周型抗中性粒细胞胞浆抗体(P-ANCA)阳性及120例P-ANCA阴性RA患者的临床及实验室资料。结果 P-ANCA阳性组的抗环瓜氨酸肽(CCP)抗体为(171.47±130.48)U/mL,阴性组为(130.10±132.7)U/mL,t=2.250,P=0.026。阳性组的抗CCP抗体的阳性率为82/98(83.67%),阴性组为71/110(64.55%),χ²=9.749,P=0.003。阳性组CCP抗体高滴度率63/98(64.29%),阴性组为53/110(48.18%),χ²=5.449,P=0.025。阳性组的RF浓度:(205.14±276.08)U/mL,阴性组RF浓度:(136.94±201.51)U/mL,t=2.159,P=0.032;阳性组的RF阳性率为98/112(87.5%),阴性组的78/120(65.89%),χ²=16.016, P<0.001;阳性组的类风湿因子高浓度率73/112(64.60%),阴性组56/120(46.67%),χ²=8.042, P=0.005。结论 P-ANCA阳性的RA患者的抗体水平相对更高。

Objective To analyze the clinical and serological characteristics of rheumatoid arthritis (RA) patients with positive anti-neutrophil cytoplasmic antibodies (ANCA). Methods The clinical and laboratory data of 113 perinuclear-ANCA (P-ANCA) positive and 120 P-ANCA negative RA patients in our hospital from 2019 to 2020 were retrospectively analyzed. Results The anti-cyclic citrullinated peptide (CCP) antibody of P-ANCA positive group was (171.47±130.48) U/mL, and which in the negative group was (130.10±132.7) U/mL, t=2.250, P=0.026. The positive rate of anti-CCP antibodies in positive group was 83.67% (82/98), and that in the negative group was 64.55% (71/110), χ²=9.749, P=0.003. The high titre rate of CCP antibody in positive group was 64.29% (63/98), and that in the negative group was 53/110 (48.18%),χ²=5.449, P=0.025. The RF concentration of positive group was (205.14±276.08) U/mL, the negative group concentration was (136.94±201.51) U/mL, t=2.159, P=0.032; the RF-positive rate of positive group was 87.5% (98/112), 65.89% (78/120) in the negative group, χ²=16.016, P<0.001; the high concentration rate of rheumatoid factor in positive group was 73/112(64.60%), the negative group 56/120(46.67%), χ²=8.042, P=0.005. Conclusions RA patients with positive P-ANCA had relatively higher antibody levels.

目的 研究抗体筛查阳性输血患者的抗体与Rh抗原分布情况。方法 收集2019年10月1日—2022年12月31日中山大学孙逸仙纪念医院34 796例患者的不规则抗体筛查结果,以及抗体筛查阳性患者的抗体鉴定与Rh抗原分型结果,记录34 796例患者的年龄、性别、妊娠史、输血史等基本资料,分析各血型系统不规则抗体产生的阳性率及相关影响因素。结果 34 796例患者中,不规则抗体筛查阳性的患者237例,抗体筛查阳性率为0.68%。共检出不规则抗体260例,其中MNS系统83例（占31.93%）,Rh血型系统抗体70例（占26.93%）,Lewis血型系统14例（占比5.39%）。同种非特异性抗体79例,阳性率30.38%。同种特异性抗体中抗-E的占比最高,为20.77%;其次是抗-Mia,为20.39%。对237例抗体筛查阳性患者进行Rh抗原分型,CCDee抗原表型占比最高,为52.74%,其次是CcDEe占比29.16%。抗体筛查阳性率与性别、输血史、妊娠史有关,女性、有输血史、有妊娠史者的抗体筛查阳性率较高（P>0.05）。不同科室间抗体筛查阳性率比较差异有统计学意义（P>0.05）,其中风湿免疫科与血液科患者阳性率最高。结论 抗-E、抗-Mia为主要的红细胞不规则抗体,不规则抗体的产生与性别、输血史、妊娠史有关,输血前进行不规则抗体筛查、鉴定及Rh抗原分型,有利于提高输血安全。

Objective To explore the distribution of antibodies and Rh antigens in transfusion patients with positive antibodies screened in our hospital．Methods From October 1,2019 to December 31,2022,there were 34,796 patients undergoing irregular antibody screening in Sun Yat-sen Memorial Hospital of Sun Yat-sen University,antibody identification and Rh blood typing results of positive patients were collected．Meanwhile,the age,sex,pregnancy history,blood transfusion history and other basic data of 34 796 patients were collected,and the positive rate of irregular antibody production and related influencing factors of blood group system were analyzed．Results Among the 34,796 patients,237 patients were screened positive for irregular antibodies,and the antibody screening positivity rate was 0.68%．A total of 260 cases of irregular antibodies were detected,83 cases of MNS system,accounting for 31.93%;70 cases of Rh blood group system,accounting for 26.93%;14 cases of Lewis blood group system,accounting for 5.39%．There were 79 cases of homozygous non-specific antibodies,with a detection rate of 30.38%．The highest percentage of homo-specific antibodies was anti-E,accounting for 20.77%,followed by anti-Mia,accounting for 20.39%．Rh antigen typing was performed in 237 antibody-screening positive patients,and the highest percentage of CCDee antigen phenotype was 52.74%,followed by CcDEe with 29.16%．Antibody screening positive rate was correlated with gender,blood transfusion history and pregnancy history,and the positive rate was higher in female,patients with blood transfusion history and pregnancy history,and the difference was statistically significant（P>0.05）．There were differences in the positive detection rate of antibody-screening in different departments,and the differences were statistically significant（P>0.05）,and the highest positive rates were in Department of Rheumatology and Immunology and Hematology．Conclusions Anti-E,anti-Mia are the main erythrocyte irregular antibodies,and the production of irregular antibodies is related to gender,transfusion history and pregnancy history,and irregular antibody screening,identification and Rh antigen typing before transfusion are beneficial to improve transfusion safety．

目的 对喀什地区和广州地区过敏性疾病儿童血清过敏原特异性IgE进行检测并比较检测结果。方法 选择喀什地区第一人民医院(喀什地区)和广东省妇幼保健院、广州市番禺区中心医院(广州地区)过敏性疾病儿童,血清标本采用国产欧博克试剂盒(酶联免疫法)检测过敏原特异性IgE。结果 两地区过敏性疾病儿童的过敏原IgE总阳性率均随年龄增长逐渐升高。广州地区过敏性疾病儿童对牛奶的IgE阳性率随年龄增长逐渐降低,对屋尘螨/粉尘螨则逐渐升高,组间比较均有统计学意义差异(P均<0.05)。喀什地区过敏性疾病儿童对花生/榛子/开心果、葎草/艾蒿/豚草、猫/狗毛皮屑的血清IgE阳性率明显高于广州地区,而对牛奶、屋尘螨/粉尘螨的血清IgE阳性率明显低于广州地区(P均<0.05)。结论 喀什地区和广州地区过敏性疾病儿童过敏原特异性IgE结果存在显著差异,过敏性疾病需要做好不同地区过敏原的监测。

目的 分析平板运动试验阳性患者行冠脉造影检查后结果阳性者与冠心病的高危因素的关联性,从而预警冠心病。方法 选取浙江大学医学院附属第二医院2016年3月—2019年3月行平板运动试验的阳性患者经冠脉造影结果为阳性,且资料完整者280例患者为研究对象,筛选出影响冠心病的独立危险因素。结果 性别、体质量指数(BMI)、高甘油三酯、平板恢复1、2 min心率是影响冠心病的独立危险因素。结论 对于男性、BMI>24、高甘油三酯、平板恢复1、2 min心率异常的患者,当其平板运动试验为阳性时,应建议其进一步行冠脉造影检查。

Objective To analyze the correlation between coronary angiography and the risk factors of coronary heart disease in patients with positive treadmill exercise test, so as to give early warning of coronary heart disease. Methods A total of 280 patients who underwent treadmill exercise tests from March 2016 to March 2019 in the Second Affiliated Hospital of Medical College of Zhejiang University were selected as the study subjects with positive coronary angiography results and complete data to screen out independent risk factors for coronary heart disease. Results Gender, body mass index, high triglycerides, high cholesterol, heart rate after 1 or 2 minutes of tablet recovery were the risk factors for positive coronary angiography. Conclusion For men, patients with BMI>24, high triglycerides, and abnormal heart rate after 1 or 2 minutes of tablet recovery, when the treadmill exercise test is positive, further coronary angiography should be recommended.

目的 通过对43种融合基因在儿童白血病中的结果分析,探讨融合基因阳性的儿童急性B淋巴细胞白血病(acute B-lymphoblastic leukemia,B-ALL)的免疫表型特征。方法 应用实时荧光探针PCR法对2016年10月—2018年12月在深圳市儿童医院就诊的初发或复发B-ALL患儿进行融合基因检测,采用多参数流式细胞术(flow cytometry,FCM)对B-ALL患者进行免疫表型检测。结果 120例B-ALL患儿融合基因筛选总阳性率为37.5%(45/127),包括TEL/AML1 27例、E2 A/PBX1 7例、BCR/ABL1 6例、MLL 4例、TLS/ERG 1例;不同年龄段白血病融合基因阳性率差异有统计学意义(P<0.01),性别分布差异无统计学意义(P>0.05)。各融合基因阳性组CD19阳性率为100%,TEL/AML1阳性表达患者普通-B-ALL表型占比最高(77.8%),干/祖细胞抗原CD34的阳性率为81.5%;E2 A/PBX1阳性表达患者以前-B-ALL表型为主,不表达已知的T系及髓系抗原;各融合基因阳性组及阴性组患儿髓系抗原阳性率比较差异有统计学意义(P<0.01),以BCR/ABL1基因表达组阳性率最高(100%)。结论 5种融合基因在患者年龄构成及免疫表型中具有一定的分布特点;B-ALL特征性免疫表型的改变可用于融合基因表达的预测,提高融合基因结果判读的准确率。

Objective To investigate the immunophenotype features of children with acute B-lymphoblastic leukemia(B-ALL) combined with fusion gene expressing after to analyze the results of the 43 fusion genes. Methods Real-time fluorescent probe PCR assay was used for the detection of fusion genes in 120 cases of children from Shenzhen Children's Hospital with B-ALL newly or recurrently diagnosed from Oct 2016 to Dec 2018. Multi-parameter flow cytometry(FCM) was used for the detection of the immunophenotype in children with B-ALL. Results Of all the 120 cases, the fusion genes were detected at positive rate of 37.5%(45/120), included TEL/AML1 27 cases, E2 A/PBX1 7 cases, BCR/ABL1 6 cases, MLL 4 cases, TLS/ERG 1 cases. The positive rate of leukemia fusion gene had statistically difference among fusion genes positive groups based on age(P<0.01). There was no statistically difference in the gender distribution(P>0.05). The expressing of CD19 was at positive rate of 100% in all of the groups. The rate of the common-B-ALL was the highest B-ALL subtype in the TEL/AML1 positive groups(77.8%). The stem /progenitor associated antigen CD34 was at positive rate of 81.5%. The pre-B-ALL was the main subtype in the E2 A/PBX1 group, which was no expression of the known T-ALL associated antigen MyAg antigen. There was statistically difference in the positive rate of MyAg expression among all of the groups(P<0.01), with the highest rate in the BCR/ABL1 group(100%). Conclusion There were certain distribution features in age composition and immunophenotype of children with B-ALL carrying five kinds of common fusion genes. The characteristic changes of the immunophenotype of B-ALL may be used to predict the expression of fusion genes and improve the accuracy of fusion genes by the supplementary role of immunophenotype analysis.

目的 研究在新型冠状病毒COVID-19疫情期间,政府采取的干预措施对医院检测的流行性感冒(简称流感)阳性率的影响,为制定流感预防措施提供依据,也为间接评价新型冠状病毒的预防效果提供参考。方法 回顾性收集广州市第一人民医院总院2018—2020年年廿三至正月十五期间的流感抗原检测数据,对政府干预前后的流感抗原检测阳性率进行分析比较。结果 在春节前后,2018年和2019年的流感检测阳性率总体上维持稳定。其中,2018年春节前后,流感阳性率在15.6%～46.5%范围内波动,2019年春节前后,流感阳性率在11.9%～30.4%范围内波动。2020年同期的流感阳性率变化曲线与前两年不同,在正月初四前曲线变化较为稳定,维持在20.0%～44.1%范围内。在正月初四后曲线呈现显著下降趋势,在正月十二和正月十五,流感检测阳性率变为0。进一步的分析表明,政府干预对流感阳性率的影响无性别差异,对5～64岁人群效果最佳。结论 当前针对新型冠状病毒COVID-19的政府干预措施能显著降低流感阳性率,预防流感的发生,也为预防同样以呼吸道传播为主的新型冠状病毒的传播提供了间接证据。

Objective The aim of the study was to study the effect of government interventions on the positive rate of influenza detected in Guangzhou First People's Hospital during the outbreak of COVID-19, and to provide a basis to develop prevention measures against influenza and a reference for the indirect evaluation of the preventive effect of COVID-19. Methods Influenza antigen detection data of Guangzhou First People's Hospital were collected retrospectively from 23rd of the 12th lunar month to 15th of the 1st lunar month in 2018—2020, and the positive rates of influenza antigen detection before and after the government intervention were analyzed and compared. Results The positive rates of influenza were generally stable in 2018 and 2019 before and after the Spring Festival, where the positive rate fluctuated in the range of 15.6%～46.5% in 2018, and the positive rate fluctuates in the range of 11.9%～30.4% in 2019. The temporal change of the positive rate in 2020 was different from that of the previous two years. The positive rate curve was relatively stable before the fourth day of the first lunar month, maintaining a range of 20.0%～44.1% in 2020. After the fourth day of the first lunar month, the curve showed a significant downward trend. On the 12th and 15th day of the first lunar month, the positive rate of influenza became 0. Furthermore, the effect of government intervention on the positive rate of influenza showed no gender difference, and the effect was significant for people aged 5～64 years. Conclusion The current government intervention measures against COVID-19 could significantly reduce the positive rate of influenza, prevent the occurrence of influenza, and provide indirect evidence for the prevention of the spread of COVID-19, which was also mainly spread by respiratory tract.

目的 观察恩替卡韦治疗e抗原阳性慢性乙型病毒性肝炎慢加急性肝衰竭(CHB-ACLF)的近期疗效及安全性。方法 选择e抗原阳性CHB-ACLF患者60例,均为我院2016年6月—2017年6月收诊,随机分为各30例的治疗组(采用恩替卡韦治疗)与对照组(采用拉米夫定片治疗),连续用药6个月后,对比疗效及安全性差异。结果 治疗6个月后,治疗组的ALB、PTA水平高于对照组,TBIL、ALT水平低于对照组,MELD评分与HBV-DNA定量少于对照组(P＜0.05);治疗后6个月,两组的HBV-DNA转阴率均高于治疗后1、3个月,且治疗组高于对照组(P＜0.05);治疗期间,治疗组患者死亡4例(13.33%),对照组患者死亡6例(20.00%),两组的死亡率比较无统计学意义(P＞0.05)。结论 恩替卡韦分散片是一种安全、有效的抗e抗原阳性CHB-ACLF药物,能有效抑制病毒复制和改善肝功能,促进患者预后转归。

目的 比较阿那曲唑与他莫昔芬治疗激素受体阳性绝经后转移性乳腺癌[HR（+）MBC]的疗效和安全性。方法 本次研究对象为在我院诊治的80例HR（+）MBC患者,选取时间段为2016年1月—2018年1月,随机分为各40例的阿那曲唑组与他莫昔芬组,比较两组临床疗效及安全性差异。结果 治疗3个月后,阿那曲唑组的临床缓解率（92.50%）优于他莫昔芬组（72.50%）,性激素E2、LH、P水平低于他莫昔芬组,T水平高于他莫昔芬组（P<0.05）;治疗期间,两组患者的不良反应发生率（30.00%、25.00%）比较无统计学意义（P>0.05）。结论 阿那曲唑治疗HR（+）MBC效果确切,有利于调节机体性激素水平,减慢癌症进展,对于提高患者的生存质量有重要意义。

目的 探讨阳性强化法对社区门诊静脉输液患儿穿刺疼痛及依从性的影响。方法 选取社区门诊2014年4月—2016年4月收治的100例行静脉输液治疗的患儿作为研究对象,采取随机数字表法将其分成两组,每组50例。观察组患儿给予阳性强化法干预,对照组给予常规护理干预,对比两组患儿穿刺疼痛相关指标、穿刺效果、患儿静脉输液依从性及患儿家长的满意度。结果 观察组患儿疼痛面容持续时间明显短于对照组,穿刺后心率明显慢于对照组,啼哭时间>30s的患儿占比明显低于对照组(P<0.01)。观察组一次穿刺成功率、穿刺耗时>5min占比分别为94.00%、24.00%,对照组分别为74.00%、62.00%,观察组一次穿刺成功率明显高于对照组,穿刺耗时>5min占比明显低于对照组(P<0.01)。观察组患儿静脉输液依从率为90.00%,与对照组的66.00%对比有明显上升(P<0.01)。观察组患儿家长满意度为96.00%,与对照组的80.00%对比有明显上升(P<0.05)。结论 对社区门诊静脉输液患儿实施阳性强化法干预可有效减轻穿刺疼痛,提高患儿的输液依从性,患儿家长满意度高。

Objective To explore positive reinforcement on pain and compliance of puncture to children in community outpatients with intravenous infusion. Methods Select 100 cases of children who receive intravenous infusion in community outpatients from April 2014 to April 2016 as research objectives and divide them into two groups randomly with each group of 50 cases. Provide positive reinforcement to observation group while provide routine nursing to control group. Compare two groups' puncture pain relevant indicator, puncture effect, children's intravenous infusion compliance and parents' satisfaction. Results Children in observation had less duration of pain face expression, lower heart rate after puncture and less children crying >30s than those in control group (P<0.01). Observation group's first puncture success rate, puncture time duration >5mins rate were 94.00% and 24.00% respectively while control group's data were 74.00% and 62.00%. Observation group's first success rate was significant higher than that of control group. Observation group's puncture time duration >5mins rate was significant lower than that of control group (P<0.01). Children's intravenous infusion compliance rate in observation group was 90.00% which was significant higher than control group's 66.00% (P<0.01). Parents satisfaction rate in observation groups was 96.00% which was significant higher than control group's 80.00% (P<0.05). Conclusion Implementing positive reinforcement on children in community outpatient may help to relieve puncture pain, improve children's compliance to intravenous infusion and increase parents' satisfaction.