目的 探究支气管镜下肺泡灌洗并局部使用阿米卡星治疗老年支气管扩张合并感染患者的疗效及对血清炎性因子水平的影响。方法 选取我院2018年3月—2019年5月确诊支气管扩张症、合并感染的符合纳入标准的患者共64例,按照1:1比例抽签分为2组,32例纳入观察组,应用支气管镜下肺泡灌洗阿米卡星治疗;32例纳入对照组,以单纯的支气管镜下肺泡灌洗治疗。观察并比较2组患者的治疗效果、血清炎性因子水平、肺功能情况等。结果 疗效比较显示观察组的96.9%总有效率高于对照组的75.0%(P＜0.05);血清炎性因子水平在患者用药前检测无差异(P＞0.05),经过治疗后,观察组水平均优于对照组P＜0.05;经治疗后,观察组静态肺活量、补呼气量、补吸气量、用力肺活量均优于对照组,差异具有统计学意义(P＜0.05)。结论 对老年支气管扩张合并感染患者应用支气管镜下肺泡灌洗阿米卡星治疗,促进临床效果改善,患者的症状、炎症及肺功能等指标均得到明显改善,值得推广。

Objective To investigate the efficacy of bronchoscopic alveolar lavage and local application of amikacin in the treatment of elderly patients with bronchiectasis complicated with infection and its effect on the level of serum inflammatory factors.Methods A total of 64 patients with bronchiectasis complicated with infection diagnosed in our hospital from March 2018 to May 2019 were selected.They were divided into two groups evenly by proportional drawing. Thirty-two cases were included in the observation group that were treated with bronchoscopic alveolar lavage with amikacin.The other 32 cases were included in the control group that were treated with the bronchoscopic alveolar lavage only.The therapeutic effect,serum inflammatory factor level and pulmonary function of the two groups were observed and compared.Results The total effective rate of 96.9% in observation group was higher than 75.0% in control group (P<0.05).There was no difference in the levels of serum inflammatory factors before treatment (P>0.05).After treatment,the levels of the observation group were better than those of the control group (P<0.05).After treatment,the slow vital capacity,expiratory reserve volume,inspiratory reserve volume and forced vital capacity of the patients in the observation group were better than those in the control group (P<0.05).Conclusions Bronchoscopic alveolar lavage of amikacin in elderly patients with bronchiectasis complicated with infection could improve the clinical effect.The symptoms of the patients,the serum inflammatory factors and lung function of the patients were significantly improved.The treatment is worthy of promotion.

目的 了解广东肇庆怀集县农村妇女两年来“两癌”检测的阳性情况及高危型人乳头瘤病毒(HPV)的感染特点。 方法 对2018年1月—2019年12月24 146名参与“两癌”免费检测的35~64 岁、农村妇女的宫颈癌筛查结果进行分析。以高危型HPV检测作为初筛方法,结果为HPV16、18型阳性的转诊阴道镜检查,其它高危型HPV阳性则进行薄层宫颈液基细胞学检查(TCT),TCT结果严重于或等于未明确意义的非典型鳞状上皮(ASC-US)者转诊阴道镜,阴道镜结果可疑或异常者进行组织病理学检查。 结果 高危型HPV总检出率为9.35%,单独HPV16、18和其它高危型HPV的阳性检出率分别为0.70%、0.32%、7.72%,混合感染检出率为0.61%,高危型 HPV 总检出率最高的年龄段是 60~64岁,检出率为11.22%。细胞学转诊率为65.63%,阴道镜转诊率为61.23%。宫颈癌前病变检出率为323.03/10 万,宫颈癌的检出率为45.56/10 万,早期诊断率为87.64%。宫颈癌前病变和宫颈癌的HPV16、18及混合感染占70.79%。 结论 该地区高危型HPV阳性率、宫颈癌前病变及宫颈癌检出率均较高,宫颈癌筛查异常者细胞学及阴道镜转诊率较低,提示该地区存在更高的宫颈癌发病风险。

Objective To understand the positive screening results and the infection characteristics of high-risk human papillomavirus (HPV) in Huaiji County,Guangdong Province,in the two years of the free standardization testing for rural women's “two cancers”. Methods The cervical cancer screening results of 35~64 year-old women with rural household registration who volunteered to participate in the “two cancers” free testing for rural women in the region were analyzed. High-risk HPV testing was used as the primary screening method for cervical cancer. The results of HPV16 and 18 positive patients were directly referred to colposcopy. If other high-risk HPV was positive,thin-layer cervical fluid-based cytology(TCT) was perform on those patients,whose TCT result severer than atypical squamous cells of undetermined significance (ASC-US) were referred to colposcopy,and those with suspicious or abnormal colposcopy results were referred to histopathological examination. Results The total positive detection rate of high-risk HPV was 9.35%. The positive rates of HPV16,18 and other high-risk HPV were 0.70%,0.32% and 7.72% respectively,mixed infection rate was 0.61%. The age group with the highest overall positive rate of high-risk HPV is 60-64 years old,and the rate is 11.22%. The referral rate for cytology was 65.63%,and the referral rate for colposcopy was 61.23%. The positive rate of cervical precancerous lesions was 323.03/100 000,the positive rate of cervical cancer was 45.5/100 000,and the early diagnosis rate was 87.64%.HPV16,18 and HPV mixed infections of cervical precancerous lesions and cervical cancer accounted for 70.79%.Conclusions The positive rate of high-risk HPV,cervical precancerous lesions and cervical cancer positive rate were high in this area. The being referred rate of cytology and colposcopy in cervical cancer screening was low,suggesting that there was a higher incidence of cervical cancer in this area risk.

目的 报道1例新生儿单纯疱疹病毒中枢神经系统感染病例,并通过文献回顾和复习,提高临床上对此类少见病的认识,减少该病的误诊、漏诊。方法 回顾性分析1例新生儿单纯疱疹病毒中枢神经系统感染患儿的发病、诊断和治疗过程,结合以往的文献报道,总结该病的临床表现和诊治要点。结果 回顾文献显示:新生儿单纯疱疹病毒中枢神经系统感染非常少见。病死率高,存活者大多存在神经系统不良结局。本例为14天大新生儿,因发热入院,原因未明,入院即予阿昔洛韦抗病毒治疗取得良好疗效,随访至今(3月大),未见神经系统异常表现。提示及早有效的抗病毒治疗是影响预后的关键因素。结论 新生儿单纯疱疹病毒中枢神经系统感染临床无特异性表现,此病少见。尽早、足程的抗病毒治疗,可明显改善患儿的预后。对于不明原因发热的新生儿(特别是社区获得者),早期经验性予以阿昔洛韦抗病毒治疗,利大于弊。

Objective To report a case of herpes simplex virus central nervous system infection in a neonate and to review literatures about this disease, and to improve clinical understanding of this rare disease and reduce misdiagnosis and missed diagnosis. Methods The clinical manifestation,diagnosis and treatment of the patient with herpes simplex virus central nervous system infection were analyzed.The epidemiology,clinical manifestation and key points of diagnosis were summarized from literature review. Results Literature review showed that: neonatal herpes simplex virus central nervous system infection is very rare. The mortality rate is high, and most of the survivors have adverse neurological outcomes. This case is a fourteen days newborn who was admitted to the hospital due to fever for unknown reasons. He was given acyclovir antiviral therapy immediately after admission and achieved good results. Follow-up of 3 months showed no neurological abnormalities. It suggested that early and effective antiviral therapy is a key factor affecting the prognosis. Conclusion Neonatal herpes simplex virus central nervous system infection has no specific clinical manifestations, and this disease is rare. Early, full-course of antiviral therapy can greatly improve the prognosis of children. For newborns with unexplained fever (especially those obtained in the community), early empirical antiviral treatment with acyclovir is more beneficial than harmful.

目的 探讨艾滋病继发真菌感染患者病情的临床特点与治疗措施。方法 选取2019年4月—2020年4月我院收治的艾滋病继发真菌感染患者90例,对所有患者的病情特点进行分析,并及时采取有效地治疗措施。分析患者真菌感染部位、病情临床特点、治疗效果。结果 患者真菌感染部位中,排在前三位的为口腔、肺、食道,占比为44.4%(40/90)、30.0%(27/90)、23.3%(21/90);90例患者中,感染真菌排在前三位的为白色念珠菌、马尔尼菲青霉菌、新型隐球菌,占比为36.7%(33/90)、24.4%(22/90)、16.7%(15/90);90例患者中,显效32例(35.5%)、有效46例(51.1%)、无效12例(13.4%),有效率为86.6%(78/90)。结论 艾滋病继发真菌感染患者中,感染的主要部位主要为口腔、肺、食道,其中感染的真菌主要有白色念珠菌、马尔尼菲青霉菌、新型隐球菌。对患者及时进行有效地抗逆转录病毒治疗可以降低患者死亡率,提高治疗效果。

Objective To explore the clinical characteristics and treatments of AIDS secondary fungal infection. Methods A total of 90 patients with secondary fungal infection of AIDS admitted to our hospital from April 2019 to April 2020 were selected, and the characteristics of all patients were analyzed, and effective treatment measures were taken in time. The sites of fungal infection, clinical characteristics and therapeutic effects were analyzed. Results The top three fungal infection sites were oral cavity, lung and esophagus, accounting for 44.4% (40/90), 30.0% (27/90) and 23.3% (21/90). Among the 90 patients, candida albicans, penicillium marneffei and cryptococcusneoforme ranked the top three, accounting for 36.7% (33/90), 24.4% (22/90) and 16.7% (15/90). Of the 90 patients, 32 had obvious effects (35.5%), 46 had effective effects (51.1%) and 12 had no effects (13.4%), and the effective rate was 86.6% (78/90). Conclusion In the patients with secondary fungal infection of AIDS, the main sites of infection were oral cavity, lung and esophagus, in which the main infected fungi were candida albicans, penicillium marneffei and cryptococcus neofordii. Timely and effective antiretroviral therapy can reduce the mortality and improve the treatment effect.

目的 评价口服核苷类似物富马酸丙酚替诺福韦治疗宫颈持续性高危型人乳头瘤感染患者的疗效。方法 本回顾性研究中,将同一亚型高危型人乳头瘤病毒感染超过1年患者随机分为两组,治疗组给予口服富马酸丙酚替诺福韦,25 mg,每天一次,连续3个月;对照组给予宣教说明,无特殊处理。于入组后第3个及第6个月随诊。检测患者宫颈人乳头瘤病毒感染的变化,同时观察宫颈细胞学、阴道镜Reid评分及宫颈组织病理学变化。结果 宫颈持续性高危型人乳头瘤病毒感染者共82例,分为两组:治疗组42例,对照组40例。均完成随访。在治疗结束时、治疗结束后3个月,治疗组清除人乳头瘤病毒的有效率分别为 52.38% 和 61.90%,优于对照组20.00%(P＜0.05)和30.00% (P＜0.05);治疗结束时、治疗结束后3个月,治疗组细胞学异常的缓解率分别为66.67%和77.78%,优于对照组22.22%(P＜0.05)和33.33%(P＜0.05);治疗组中Reid评分3分及其以上者例数较对照组少(2 vs 10,P＜0.05),且Reid评分较基线明显下降(P＜0.05),对照组Reid评分无显著变化(P＞0.05)。6个月时治疗组中宫颈上皮内瘤变I级者组织学缓解率优于对照组(72.72% vs 35.00%,P＜0.05)。随访期间无严重不良反应。结论 口服富马酸丙酚替诺福韦可有效清除宫颈持续性高危型人乳头瘤病毒感染,且安全、临床可行。

Objective To investigate the clinical efficacy of nucleoside analogues Tenofovir Alafenamide (TAF) therapy for cervical high-risk HPV (HR-HPV) infection. Methods In this prospective study, a total of 82 patients with persistent cervical HR-HPV infection were randomly divided into two groups. The treatment group (42 patients) administered orally TAF (25mg, once daily, 3 months). The control group (40 patients) received no treatment. All patients were followed up for 6 months. HPV testing, ThinPrep cytology test (TCT), and Reid colposcopic index (RCI) grading were performed for both groups. Results HR-HPV remission rates were 52.38% and 61.9% in the treatment group at the 3-and 6-month follow-up, respectively, whereas 20% and 30% in the control group at the 3-and 6-month follow-up visits. Conversion rates of abnormal TCT results were 66.67% and 77.78% in the treatment group at two follow-up visits. In contrast, the control group showed remission rates at 22.2% and 33.3%, respectively. There were 2 and 10 patients with grade of 3-4 or higher at the treatment group and the control group at the 6-month visit, respectively. RCI scoring was declining obviously at 6 months in the treatment group (P<0.05), whereas the control group showed no significantly difference. 16 of 22 (72.72%) patients with CINⅠin the treatment group were alleviated at 6-month visit compared to 35% in the control group(P<0.05). No serious adverse events happened during the treatment and follow up. Conclusion Tenofovir alafenamide is an effective, safe and accessible treatment for cervical HR-HPV infection.

目的 探讨继发性肺结核合并肺部真菌感染的临床特点及相关高危因素。方法 收集广州市胸科医院2017年7月—2019年10月收治的继发性肺结核患者资料,病程均大于3个月,分为真菌感染组106例和非真菌感染组100例进行回顾性分析。结果 单因素分析结果显示,合并肺部其他疾病、非初治、咯血、空洞、应用广谱抗生素>l周、侵袭性操作存在统计学差异(P<0.05)。Logistic多因素分析结果显示,广谱抗生素使用>l周、侵袭性操作为真菌感染的独立危险因素(P<0.05)。结论 对于应用广谱抗生素、进行侵袭性操作的肺结核患者应警惕真菌感染风险,及早预防及诊治。

Objective To investigate the clinical characteristics and related high risk factors of secondary pulmonary tuberculosis complicated with pulmonary fungal infection. Methods Data of patients with secondary tuberculosis admitted to Guangzhou Chest Hospital from July 2017 to October 2019 were collected. All patients with a course of disease longer than 3 months were divided into the fungal infection group (n =106) and the non-fungal infection group (n =100) for retrospective analysis. Results Univariate analysis results showed that there were statistical differences in combined other pulmonary diseases, non-initial treatment, hemoptysis, cavity, application of broad-spectrum antibiotic > for 1 week, and invasive operation (P<0.05). Logistic multivariate analysis showed that >1 week of broad-spectrum antibiotics and invasive procedures were independent risk factors for fungal infection (P<0.05). Conclusion Patients with tuberculosis who are treated with broad-spectrum antibiotics and invasive procedures should be alert to the risk of fungal infection, early prevention and treatment should be undertaken.

目的 探讨老年急性缺血性脑卒中并发肺部感染患者的临床特征和相关危险因素。方法 采用回顾性研究方法,选择2017年7月— 2019年10月深圳市第二人民医院神经内科收治的1 113例老年急性缺血性脑卒中患者,其中卒中并发肺部感染患者(108 例)纳入感染组,未并发肺部感染患者(1 005例)纳入对照组。以单因素对比分析两组患者的临床资料,采用 Logistic多因素回归分析方法分析合并肺部感染的高危因素。结果 单因素分析提示两组年龄(尤其是高龄患者)、住院天数、房颤、脑梗死史、慢性肺疾病、吞咽困难、言语不清、意识障碍差异有统计学意义(P <0.05)。多因素 Logistics 回归分析显示,高龄(≥80岁)、住院天数、脑梗死史、吞咽困难、言语不清、意识障碍与老年急性缺血性脑卒中并发肺部感染密切相关。结论 老年急性缺血性脑卒中并发肺部感染的独立危险因素主要是高龄(≥80 岁)、住院天数、脑梗死史、吞咽困难、言语不清、意识障碍,临床应高度重视。

Objective Objective To investigate the clinical characteristics and risk factors of elderly patients with acute ischemic stroke complicated with pulmonary infection. Methods A retrospective study was conducted on 1 113 elderly patients with acute ischemic stroke admitted to the department of neurology, Shenzhen Second People's Hospital from July 2017 to October 2019. Among them, 108 patients with stroke complicated with pulmonary infection were included in the infection group and 1 005 patients without concurrent pulmonary infection were included in the control group. The clinical data of the two groups were analyzed by single factor comparison, and the risk factors for pulmonary infection were analyzed by logistic multiple factor regression analysis. Results Single factor analysis showed there were statistically significant differences between the two groups in age (especially elderly patients), length of stay in hospital, atrial fibrillation, history of cerebral infarction, chronic pulmonary disease, dysphagia, slurred speech, and disturbance of consciousness (P <0.05). Multi-factor logistic regression analysis showed that old age (≥80 years old), length of stay in hospital, history of cerebral infarction, dysphagia, slurred speech, and disturbance of consciousness were closely related to pulmonary infection in elderly patients with acute ischemic stroke. Conclusion The independent risk factors of acute ischemic stroke complicated with pulmonary infection in the elderly mainly include old age (≥80 years old), length of stay in hospital, history of cerebral infarction, dysphagia, slurred speech and disturbance of consciousness, which should be paid more attention to clinically.

目的 总结一种新的技术在心脏术后纵隔感染的应用经验。方法 回顾性分析2017年2月—2019年6月15日心脏术后发生纵膈感染成人患者,共有5例(1.2%),其中男性4例,女性1例,平均年龄(49±19)岁,平均体质量(70±15)kg,2例为急性A型主动脉夹层,2例为冠心病,1例为感染性心内膜炎合并白塞氏病,患者确诊后出现创面感染重、分泌物多,行VSD(负压封闭引流)进行过渡治疗,待创面清洁、肉芽新鲜后入手术室行清创术,术中4例采用SternaLock胸骨固定系统进行固定,1例因未累及至胸骨后,仅在胸骨前方行清创缝合。结果 4例完全治愈并顺利出院,1例因出现多器官功能衰竭死亡,但伤口愈合良好。结论 通过VSD引流增加了胸骨血流,加速肉芽组织形成,防止感染进一步加重,稳定胸骨,为进一步清创创造了良好的基础,同时运用SternaLock^®胸骨固定系统(8孔型钛板及2.4 mm自钻锁螺钉)进行固定,明显增加了胸骨的稳定性,进一步改善患者预后。

Objective To summarize the application experience of a new technique in mediastinal infection after cardiac operation. Methods A retrospective analysis of adult patients with mediastinal infection after cardiac surgery from February 2017 to June 15, 2019 were taken including a total of 5 cases (1.2%), of which 4 were male and 1 was female, with an average age (49±19) years old, average weight (70±15) kg;2 cases had acute type A aortic dissection, 2 cases had coronary heart disease, 1 case had infective endocarditis with Behcet's disease. After diagnosed, the patients developed severe wound infection and excessive secretion. VSD (vacuum sealing drainage) was performed for transitional treatment. After the wounds were cleaned and the granulation were still fresh, the wounds were for debridement in the operating room. During the operation, 4 cases were fixed with the SternaLock^® plating system, and 1 case was only treated with debridement and suture in front of the sternum because it did not involve the sternum. Results Four cases were cured and discharged smoothly, and 1 case died due to multiple organ failure, but the wound healed well. Conclusion The VSD increased sternum blood flow, which accelerated the granulation tissue formation, further to prevent infection and stable sternum, create a good foundation for further debridement, meanwhile the SternaLock ^® plating system(consists of eight pass since the titanium plate and 2.4 mm drill lock screw) was used for fixation, which significantly increased the stability of the sternum, further improved the prognosis of patients.

目的 探讨血培养分离菌的分布特点及耐药性,为临床科室诊治血流感染疾病和控制感染提供重要的参考依据。方法 收集某院2016—2020年血培养阳性样本,采用细菌鉴定和药敏分析系统检测,用WHONET 5.6软件进行病原菌分布特点及药敏结果的整理分析。结果 从血培养阳性标本分离出非重复菌3 424株,主要来自老年病科、危重症监护室、急诊留观室等。其中革兰阴性菌1 873株,常见有大肠埃希菌、肺炎克雷伯菌、铜绿假单胞菌等。近五年超广谱β-内酰胺酶革兰阴性耐药菌呈缓慢上升趋势,其余耐药菌变化趋势不大。革兰阴性菌对头孢哌酮/舒巴坦、哌拉西林/他唑巴坦、头孢他啶、头孢吡肟、庆大霉素、妥布霉素、阿米卡星等总体耐药率均＜30%。革兰阳性菌1 328株,主要是葡萄球菌属,对达托霉素、替加环素均无耐药,对利奈唑胺、万古霉素、替考拉宁耐药率处于较低水平,对复方新诺明和克林霉素等的耐药率近五年呈缓慢下降趋势。结论 血流感染主要常见分离菌为肠杆菌属和葡萄球菌属,临床应重视早期规范血培养和药敏结果,科学合理规范使用抗菌药。

Objective To investigate the distribution characteristics and drug resistance of isolates from blood culture, and to provide important reference for the diagnosis and treatment of bloodstream infection and infection control in clinical practice. Methods Positive blood culture samples of a hospital from 2016 to 2020 were collected and detected by bacteria identification and drug sensitivity analysis system. The distribution characteristics of pathogenic bacteria and drug sensitivity results were analyzed by WHONET 5.6 software. Results A total of 3 424 non-repeating strains were isolated from positive blood culture specimens, which were mainly from geriatrics department, critical care unit, emergency observation room, etc.Among them, 1 873 strains of Gram-negative bacteria were found, including Escherichia coli, Klebsiella pneumoniae and Pseudomonas aeruginosa. In recent five years, the extended-spectrum beta-lactamases Gram-negative drug resistant bacteria was slowly increasing, while other drug resistant bacteria showed little change. The overall drug resistance rates of Gram-negative bacteria to cefoperazone/sulbactam, piperacillin/tazobactam, ceftazidime, cefepime, gentamicin, tobramycin and amicacin were all less than 30%. There were 1 328 Gram-positive strains, mainly Staphylococcus, showed no resistance to datoromycin and tegacycline, and the resistance rates to linezolid, vancomycin and teicolanin were at a low level, while the resistance rates to cotrimoxazole and clindamycin showed a slow declining trend in recent five years. Conclusion Enterobacteria and Staphylococcus were the most common isolates of bloodstream infection. In clinical practice, attention should be paid to the early blood culture and drug sensitivity results, and the antimicrobial drugs should be used scientifically and rationally.

目的 分析高龄呼吸道感染患者病原菌检测结果及耐药性情况,总结高龄呼吸道感染患者抗菌药物的合理用药经验。方法 对我院2018年1月—2020年12月收治的784例高龄呼吸道感染患者痰液标本进行病原菌培养及药敏试验,统计分析检测结果。结果 701株病原菌中,革兰阴性(G-)菌、革兰阳性(G+)菌和真菌分别检出497株、136株和68株,分别占70.90%、19.40%和9.70%。G-菌以肺炎克雷伯菌、铜绿假单胞菌、大肠埃希菌和奇异变形杆菌为主,分别占21.97%(154株)、18.97%(133株)、14.98%(105株)和7.13%(50株),G+菌以金黄色葡萄球菌为主,占11.27%(79株)。G-菌耐药性前五位依次为氨苄西林、哌拉西林、复方磺胺甲噁唑、头孢唑啉和头孢他啶,耐药率依次为95.96%、85.11%、79.88%、77.06%和52.92%。G+菌耐药性前五位依次为青霉素、氨苄西林、红霉素、环丙沙星和复方磺胺甲噁唑,耐药率依次为95.59%、89.71%、84.56%、80.15%和75.00%。结论 高龄呼吸道感染患者病原菌构成以肺炎克雷伯菌、铜绿假单胞菌、大肠埃希菌、奇异变形杆菌和金黄色葡萄球菌为主,G-菌对氨苄西林、哌拉西林、复方磺胺甲噁唑、头孢唑啉和头孢他啶耐药最强,G+菌对青霉素、氨苄西林、红霉素、环丙沙星和复方磺胺甲噁唑最强,且呈多重耐药特征,加强临床耐药性监测有助于指导合理用药。

Objective To analyze the test results and drug resistance of pathogenic bacteria in elderly patients with respiratory tract infections, and summarize the rational use of antibiotics in elderly patients with respiratory tract infections. Methods The sputum samples of 784 elderly patients with respiratory tract infections admitted to our hospital from January 2018 to December 2020 were collected for pathogen culture and drug sensitivity test, and the test results were statistically analyzed. Results Among 701 strains of pathogenic bacteria, 497 strains were Gram-negative (G-) bacteria (70.90%), 136 strains were Gram-positive (G+) bacteria (19.40%) and 68 strains were fungi (9.70%). G-bacteria were mainly Klebsiellapneumoniae, Pseudomonas aeruginosa, Escherichia coli and Proteus mirabilis, accounting for 21.97% (154 strains), 18.97% (133 strains), 14.98% (105 strains) and 7.13% (50 strains). G+bacteria were mainly Staphylococcus aureus, accounting for 11.27% (79 strains). The top five antibiotics which G-bacteria resisted were ampicillin, piperacillin, compound sulfamethoxazole, cefazolin and ceftazidime.The resistance rates were 95.96%, 85.11%, 79.88%, 77.06% and 52.92%,respectively. The top five antibiotics which G+bacteria resisted were penicillin, ampicillin, erythromycin, ciprofloxacin and compound sulfamethoxazole, and the drug resistance rates were 95.59%, 89.71%, 84.56%, 80.15% and 75.00%, respectively. Conclusions The pathogenic bacteria in elderly patients with respiratory tract infections were mainly Klebsiella pneumoniae, Pseudomonas aeruginosa, Escherichia coli, Proteus mirabilis and Staphylococcus aureus. G-bacteria resisted ampicillin, piperacillin,compound sulfamethoxazole, cefazolin and ceftazidime the most. G+bacteria were most resistant to penicillin, ampicillin, erythromycin, ciprofloxacin and compound sulfamethoxazole, and were characterized by multi-drug resistance.Enhancing bacterial resistance monitoring helps guiding the rational use of drugs.