Antibiotic resistance

抗生素耐药性
  • 文章类型: Journal Article
    背景:尿路感染(UTI)在其一生中影响所有女性的近三分之二,并且许多经历复发性感染。有来自多个国际协会的基于证据的评估和治疗指南;然而,最近基于索赔的分析表明,这些指南的依从性很差。本研究旨在了解美国初级保健提供者(PCP)在为UTI和复发性UTI(rUTI)提供基于指南的护理方面遇到的障碍。
    方法:18个PCP的半结构化访谈,从大洛杉矶地区招募的,检查了UTI/rUTI发作的真实世界临床管理,决定参考亚专科护理,和资源指导咨询和管理。扎根理论方法可用于分析访谈笔录并确定初步和主要主题。
    结果:参与者表示希望获得每次膀胱炎发作的尿液培养物,但由于患者的要求或护理障碍而感到有压力做出妥协。如果患者有rUTI病史,PCP的经验性治疗阈值较低,年纪大了,或拒绝评估。实验室数据在临床决策中的利用最少:在解释培养数据时很少考虑尿液分析。PCP治疗广泛的泌尿系统和非泌尿系统症状作为UTI,即使是负面文化。PCP在开始UTI预防时感觉不舒服,而是寻求解剖原因的专家评估。他们不知道管理指南,通常使用UpToDate®作为其主要资源。提供者很少推荐基于证据的UTI预防干预措施。
    结论:简洁清晰的专业指南的低可用性是适当UTI/rUTI护理的重大障碍。临床指导文件的可用性差导致对预防措施和额外诊断测试的作用的严重混淆。患者获得护理提供者的困难导致对推定治疗的期望。需要进一步的研究来确定是否为提供者和/或管理算法提供改进的教育材料可以改善UTI管理的指南一致性。
    BACKGROUND: Urinary tract infections (UTI) affect almost two-thirds of all women during their lives and many experience recurrent infections. There are evidence-based guidelines from multiple international societies for evaluation and treatment; however, recent claims-based analyses have demonstrated that adherence to these guidelines is poor. This study seeks to understand the barriers experienced by U.S. primary care providers (PCPs) to providing guideline-based care for UTI and recurrent UTI (rUTI).
    METHODS: Semi-structured interviews of 18 PCPs, recruited from the greater Los Angeles area, examined real-world clinical management of UTI/rUTI episodes, decisions to refer to subspecialty care, and resources guiding counseling and management. Grounded theory methodology served to analyze interview transcripts and identify preliminary and major themes.
    RESULTS: Participants expressed the desire to obtain urine cultures for each cystitis episode, but felt pressured to make compromises by patient demands or barriers to care. PCPs had lower thresholds to empirical treatment if patients had a history of rUTIs, were elderly, or declined evaluation. Laboratory data was minimally utilized in clinical decision-making: urinalyses were infrequently considered when interpreting culture data. PCPs treated a broad set of urologic and non-urologic symptoms as UTI, even with negative cultures. PCPs did not feel comfortable initiating UTI prophylaxis, instead seeking specialist evaluation for anatomic causes. They were unaware of management guidelines, typically utilizing UpToDate® as their primary resource. Few evidence-based UTI prevention interventions were recommended by providers.
    CONCLUSIONS: Low availability of succinct and clear professional guidelines are substantial barriers to appropriate UTI/rUTI care. Poor useability of clinical guidance documents results in substantial confusion about the role of preventative measures and additional diagnostic testing. Difficulties in patient access to care providers lead to expectations for presumptive treatment. Future studies are needed to determine if improved educational materials for providers and/or management algorithms can improve guideline concordance of UTI management.
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  • 文章类型: Journal Article
    更新的2016年幽门螺杆菌共识指南建议合并治疗14天(质子泵抑制剂(PPI)-阿莫西林-甲硝唑-克拉霉素(PAMC)或基于铋的四联疗法(PPI-铋-甲硝唑-四环素,PBMT))作为第一行,PBMT或PPI-阿莫西林-左氧氟沙星(PAL)作为第二或三线,以PPI-阿莫西林-利福布汀(PAR)为第4行,持续10天。
    这是一项回顾性队列研究,旨在描述和比较2007-2015年和2016-2021年期间抗螺杆菌治疗方案的疗效以及抗生素耐药性。
    使用改良的意向治疗(mITT)分析来分析治疗的成功率。mITT包括所有接受幽门螺杆菌治疗并至少进行过一次随访治愈试验的患者。这包括不能完成治疗或不坚持治疗的患者。通过单因素和多因素logistic回归分析治疗失败的危险因素。在一小部分患者中进行了耐药性测试。
    H.在埃德蒙顿接受治疗的幽门螺杆菌阳性患者,艾伯塔省被纳入mITT分析:2007年至2015年为334/387(86%),2016年至2021年为193/199(97%)。在2016-2021年期间,78%(150/193)的患者接受了基于指南的累积治疗,80%(120/150)的患者成功治愈。在那些新诊断的人中,治愈率为88%(52/59),与以前治疗失败的患者为75%(68/91)(P<0.05,风险差异[RD]14%,95%置信区间[CI]1.7-26.3%)。最有效的一线治疗方案是2016-2021年PAMC14天(87%[45/52])和2007-2015年序贯治疗(83%[66/80])(P=0.535,RD4%,95%CI-8.5-16.5%)。当其他治疗失败时,2007年至2015年,PAR的成功率为50%(2/4),2016年至2021年为57%(21/37)。最近(2016-2021年)对克拉霉素和甲硝唑的耐药率很高,分别为78%(50/64)和56%(29/52),分别。2007年至2015年,克拉霉素和甲硝唑耐药率分别为80%(36/45)和83%(38/46),分别。从2007-2015年到2016-2021年,左氧氟沙星耐药性显着增加(28%[13/46]至61%[35/57],P<0.05,RD33%,95%CI11.6-54.4%)。
    首先使用PAMC和PBMT进行算法处理,PAL,在88%的新诊断患者中,PAR可以治愈幽门螺杆菌。PAR治疗显示欠佳的治愈率(50-57%的成功率),但考虑到左氧氟沙星耐药率的增加,可以认为是第三而不是第四行。幽门螺杆菌中的抗生素耐药性是克拉霉素常见的,甲硝唑,和左氧氟沙星经常导致治疗失败。
    UNASSIGNED: Updated 2016 Helicobacter pylori consensus guidelines recommend treatment for 14 days with concomitant therapy (proton-pump inhibitor (PPI)-amoxicillin-metronidazole-clarithromycin (PAMC) or bismuth-based quadruple therapy (PPI-bismuth-metronidazole-tetracycline, PBMT)) as first line, PBMT or PPI-amoxicillin-levofloxacin (PAL) as second or third line, and PPI-amoxicillin-rifabutin (PAR) as fourth line for 10 days.
    UNASSIGNED: This was a retrospective cohort study to describe and compare the efficacy of anti-Helicobacter treatment regimens over the periods 2007-2015 and 2016-2021 as well as antibiotic resistance.
    UNASSIGNED: A modified intention-to-treat (mITT) analysis was used to analyze the success rate of therapies. mITT includes all patients who were prescribed H. pylori treatment and had at least one follow-up test-of-cure. This included patients who could not complete treatment or were non-adherent with treatment. Risk factors for treatment failures were analyzed by univariate and multivariate logistic regression. Resistance testing was done in a small subset of patients.
    UNASSIGNED: H. pylori-positive patients who received treatment in Edmonton, Alberta were included in a mITT analysis: 334/387(86%) from 2007 to 2015 and 193/199 (97%) from 2016 to 2021. During 2016-2021, 78% (150/193) of patients underwent cumulative guideline-based treatment with a successful cure in 80% (120/150) of patients. In those who were newly diagnosed, the cure rate was 88% (52/59) versus those with previous treatment failure 75% (68/91) (P < 0.05, risk difference [RD] 14%, 95% confidence interval [CI] 1.7-26.3%). The most effective first-line regimens were PAMC for 14 days (87% [45/52]) in 2016-2021 and sequential therapy in 2007-2015 (83% [66/80]) (P = 0.535, RD 4%, 95% CI -8.5-16.5%). When other treatments failed, success with PAR was 50% (2/4) from 2007 to 2015 and 57% (21/37) from 2016 to 2021. Recent (2016-2021) resistance rates to clarithromycin and metronidazole are high at 78% (50/64) and 56% (29/52), respectively. From 2007 to 2015, clarithromycin and metronidazole resistance rates were 80% (36/45) and 83% (38/46), respectively. Levofloxacin resistance increased significantly from 2007-2015 to 2016-2021 (28% [13/46] to 61% [35/57], P < 0.05, RD 33%, 95% CI 11.6-54.4%).
    UNASSIGNED: Algorithmic treatment with PAMC first line followed by PBMT, PAL, and PAR cures H. pylori in 88% of newly diagnosed patients. PAR therapy shows suboptimal cure rates (50-57% success) but can be considered as third instead of fourth line given increasing levofloxacin resistance rates. Antibiotic resistance in H. pylori is common to clarithromycin, metronidazole, and levofloxacin and frequently accounts for treatment failures.
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  • 文章类型: Journal Article
    背景:在像印度这样的发展中国家,抗生素对于管理严重加重卫生基础设施负担的传染病至关重要。然而,抗生素的广泛和不合理使用引起了抗生素耐药性的威胁,有可能使我们回到抗生素使用前的时代。我们的研究旨在评估儿科住院患者对抗生素政策的基线依从性,并分析干预措施对政策依从性的影响。
    方法:前瞻性研究在米高梅医学院和医院进行,奥兰加巴德.该研究包括儿科病房收治的1个月至18岁的婴儿和儿童。在研究的前三个月,对375名患者的患者处方表进行了评估,记录和处方抗生素,并与标准治疗指南进行比较.干预包括意识,教育,以及有关抗生素处方政策的反馈会议。在接下来的三个月中,对375名患者的处方抗生素进行了分析。
    结果:我们发现,在干预前和干预后阶段,在总共375名患者中,60%和46.1%使用抗菌药物,分别。在那些服用抗菌药物的人中,只有46%的人最初遵守该政策。干预后增加到61%。
    结论:意识,教育,关于抗生素处方政策作为干预措施的反馈有助于提高依从性,虽然没有达到超过90%的预期水平。意识和反馈的持续循环有助于实现更好的合规性。
    BACKGROUND:  Antibiotics are vital in managing infectious diseases that significantly burden health infrastructure in a developing country like India. However, the widespread and irrational use of antibiotics has given rise to the menace of antibiotic resistance that threatens to take us back to the pre-antibiotic era. Our study aimed to evaluate the baseline compliance to antibiotic policy in the pediatric inpatient ward and analyze the impact of interventions on compliance with the policy.
    METHODS:  The prospective study was done at MGM Medical College and Hospital, Aurangabad. The study included infants and children from one month to 18 years of age admitted to the pediatric ward. Patients\' prescription charts were evaluated in 375 patients during the first three months of the study, and prescribed antibiotics were recorded and compared with standard treatment guidelines. The intervention included awareness, educational, and feedback sessions regarding antibiotic prescription policies. The antibiotics prescribed were analyzed in 375 patients during the next three months.
    RESULTS:  We found out that in the pre-intervention and post-intervention phases, out of a total of 375 patients, 60% and 46.1% were on antimicrobials, respectively. Out of those who were on antimicrobials, only 46% were compliant with the policy initially. That increased to 61% after the intervention.
    CONCLUSIONS:  Awareness, education, and feedback regarding antibiotic prescription policy as an intervention helped increase compliance, though not to the desired level of more than 90%. Continuous cycles of awareness and feedback help achieve better compliance.
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  • 文章类型: Journal Article
    尿路感染(UTI)是患者寻求医疗保健和抗生素的最常见原因之一。然而,全科医生(全科医生)指南依从性较低。RedAres随机对照试验旨在通过实施由四个要素组成的多模式干预来提高指南依从性:关于当前UTI指南的信息(1)和区域耐药性数据(2);关于处方行为的反馈(3);以及与同行相比的基准(4)。RedAres过程评估评估全科医生对多模式干预的看法以及实施常规护理的潜力。我们对全科医生(干预部门)进行了19次半结构化访谈。所有访谈均在线进行,并录制音频。为了转录和分析,采用Mayring的定性内容分析。总的来说,全科医生认为,在开处方时,干预措施有助于知识的获得和确认。信息材料和阻力用于患者沟通和教学目的。反馈被认为通过打破临床检查的常规来增强反射。通过将反馈回路集成到患者管理系统中并通过可信渠道或机构传达目标信息,可以增强常规实践的实施。全科医生认为对RedAres干预的过程评估是有益的。它证实了多模式干预对提高指南依从性的便利性。
    Urinary tract infections (UTIs) are among the most common reasons patients seeking health care and antibiotics to be prescribed in primary care. However, general practitioners\' (GPs) guideline adherence is low. The RedAres randomised controlled trial aims to increase guideline adherence by implementing a multimodal intervention consisting of four elements: information on current UTI guidelines (1) and regional resistance data (2); feedback regarding prescribing behaviour (3); and benchmarking compared to peers (4). The RedAres process evaluation assesses GPs\' perception of the multimodal intervention and the potential for implementation into routine care. We carried out 19 semi-structured interviews with GPs (intervention arm). All interviews were carried out online and audio recorded. For transcription and analysis, Mayring\'s qualitative content analysis was used. Overall, GPs considered the interventions helpful for knowledge gain and confirmation when prescribing. Information material and resistance were used for patient communication and teaching purposes. Feedback was considered to enhance reflection by breaking routines of clinical workup. Implementation into routine practice could be enhanced by integrating feedback loops into patient management systems and conveying targeted information via trusted channels or institutions. The process evaluation of RedAres intervention was considered beneficial by GPs. It confirms the convenience of multimodal interventions to enhance guideline adherence.
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  • 文章类型: Journal Article
    背景:尿路感染(UTI)是最常见的感染性疾病之一,也是儿童抗生素处方的主要原因。为了防止反复感染和长期并发症,已使用低剂量连续抗生素预防(CAP)。然而,CAP的疗效存在争议。本文件的目的是制定有关CAP预防小儿UTI的疗效和安全性的最新指南。方法:儿科感染性疾病专家小组,小儿肾脏病学,儿科泌尿外科,初级保健被问及关于CAP在预防儿童UTI中的作用的临床问题.总的来说,解决了15个临床问题,搜索策略包括访问电子数据库和手动搜索过去25年出版的灰色文献。经过数据提取和结果的叙事综合,建议是使用建议分级制定的,评估,发展,和评价(等级)方法。结果:不建议在患有UTI的儿童中使用CAP,与复发性UTI,任何级别的膀胱输尿管反流(VUR),孤立性肾积水,和神经源性膀胱。在手术矫正之前,建议在患有严重阻塞性尿路病变的儿童中使用CAP。建议对不建议使用CAP的情况进行基于UTI发作的早期诊断和及时的抗生素治疗的密切监测。结论:我们的系统评价表明,CAP在预防儿童UTI复发中起着有限的作用,对其并发症没有影响。另一方面,新的抗微生物耐药性的出现是一个被证明的风险。
    Background: Urinary tract infection (UTI) represents one of the most common infectious diseases and a major cause of antibiotic prescription in children. To prevent recurrent infections and long-term complications, low-dose continuous antibiotic prophylaxis (CAP) has been used. However, the efficacy of CAP is controversial. The aim of this document was to develop updated guidelines on the efficacy and safety of CAP to prevent pediatric UTIs. Methods: A panel of experts on pediatric infectious diseases, pediatric nephrology, pediatric urology, and primary care was asked clinical questions concerning the role of CAP in preventing UTIs in children. Overall, 15 clinical questions were addressed, and the search strategy included accessing electronic databases and a manual search of gray literature published in the last 25 years. After data extraction and narrative synthesis of results, recommendations were developed using the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) methodology. Results: The use of CAP is not recommended in children with a previous UTI, with recurrent UTIs, with vesicoureteral reflux (VUR) of any grade, with isolated hydronephrosis, and with neurogenic bladder. CAP is suggested in children with significant obstructive uropathies until surgical correction. Close surveillance based on early diagnosis of UTI episodes and prompt antibiotic therapy is proposed for conditions in which CAP is not recommended. Conclusions: Our systematic review shows that CAP plays a limited role in preventing recurrences of UTI in children and has no effect on its complications. On the other hand, the emergence of new antimicrobial resistances is a proven risk.
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  • 文章类型: Journal Article
    抗菌素耐药性(AMR)是全球医疗保健领域的主要问题。在马拉维的AMR率,特别是第三代头孢菌素耐药(3GC-R)肠杆菌自2003年以来迅速增加。抗生素指南是抗菌药物管理(AMS)的关键组成部分。作为管理的一部分,伊丽莎白女王中心医院(QECH)在布兰太尔,马拉维于2016年6月以智能手机应用程序的形式制定了抗生素指南。
    我们进行了一项研究,以评估成人病房临床医生对当地抗生素指南的依从性,它被引入两年后。特别是评估抗生素的选择,血培养采集时间和48小时复查。
    使用目的抽样方法进行了横断面研究。230份成年患者的病例档案根据抗生素指南进行了审计。在抗生素适应症方面遵守指南,对抗生素的选择和抗生素审查时间进行审查.使用IBMSPSS进行统计分析,并提供描述性统计数据。
    194(84%[95%CI79.0-88.8])抗生素处方符合指南,28例(12%[95%CI8.2-17.1])非粘附性和8例(3.5%[95%CI1.5-6.7])抗生素适应症不清楚。抗生素处方最常见的适应症是肺炎,如89份(39%[95%CI32.4-45.3])病例文件中所述。191份(76%[95%CI70.3-81.2])处方为头孢曲松。有证据表明使用血液培养来调整治疗,因为88/230(38%[95%CI32.0-44.9])已进行了培养。175份文件(76%[95%CI70.0-81.4])在48小时内审查了抗生素。
    由于在本研究期间头孢曲松的使用率很高,因此仍需要合理地开具抗生素处方。应迅速实施定期审计和点流行率调查,以减少抗生素耐药性的影响并改善个体患者护理。
    Antimicrobial resistance (AMR) is a major concern in health care worldwide. In Malawi rates of AMR, in particular third-generation cephalosporin-resistant (3GC-R) Enterobacterales have rapidly increased since 2003. Antibiotic guidelines are a key component of antimicrobial stewardship (AMS). As part of stewardship, Queen Elizabeth Central Hospital (QECH) in Blantyre, Malawi developed an antibiotic guideline in the form of a smart phone application in June 2016.
    We conducted a study to assess clinicians adherence to the local antibiotic guideline on the adult medical wards, two years after it was introduced. Specifically assessing choice of antibiotic, time of blood culture collection and 48-hour review.
    A cross-sectional study was carried out using purposive sampling method. 230 case files of adult patients were audited against the antibiotic guideline. Adherence to the guideline in terms of indication for antibiotic, choice of antibiotic and antibiotic review time was reviewed. Statistical analysis was done using IBM SPSS and presented with descriptive statistics.
    194 (84% [95% CI 79.0-88.8]) antibiotic prescriptions were adherent to the guideline, 28 (12% [95% CI 8.2-17.1]) non-adherent and 8 (3.5% [95% CI 1.5-6.7]) antibiotic indication was not clear. The most common indication for antibiotic prescriptions was pneumonia, as documented in 89 (39% [95 % CI 32.4-45.3]) case files. 191(76% [95% CI 70.3-81.2]) of prescriptions were for ceftriaxone. There was evidence of utilising blood culture to adjust therapy as 88/230 (38% [95% CI 32.0-44.9]) had culture taken. 175(76% [95 % CI 70.0-81.4]) of files had antibiotics reviewed within 48 hours.
    There is still need to work on rational prescribing of antibiotics as ceftriaxone usage was high during this study period. Scheduled audits and point prevalence surveys should be implemented quickly to reduce the impact of antibiotic resistance and improve individual patient care.
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  • 文章类型: Journal Article
    BACKGROUND: Affecting between 20% and 90% of the world\'s population depending on the geo-socio-economic conditions, Helicobacter pylori (Hp) infection requires an adapted management because of the medico-economic stakes it generates. Also responsible for dyspepsia, the management of Hp infection differs in this context between international guidelines.
    OBJECTIVE: The primary outcome of the study was assessing the quality of current guidelines for HP eradication in dyspepsia. The secondary was defining the best therapeutic strategy for patients consulting with dyspepsia in the outpatient setting.
    METHODS: Clinical practice guidelines (CPG) published between January 2000 and May 2021 were retrieved from various databases (PubMed; Guidelines International Network; websites of scientific societies that issued the guidelines). Their quality was assessed using the AGREE II evaluation grid. To provide decision support for healthcare practitioners, particularly in primary care, a summary of the main points of interest for management was made for each guideline.
    RESULTS: Fourteen guidelines were included. Only four (28.6%) could be validated according to AGREE II? Most of the non-validated guidelines had low ratings in the \"Rigour of development\" and \"Applicability\" domains with means of 40% [8%-71%] and 14% [0%-25%], respectively. Three out of four validated guidelines (75%) advocated a \"test and treat\" strategy for dyspepsia based on the national prevalence of Hp. Gastroscopy was the 1st line examination method in case of warning signs or high risk of gastric cancer. Triple therapy (Proton pomp inhibitor, amoxicillin, and clarithromycin) was favored for Hp eradication but required a study of the sensitivity to clarithromycin in the validated guidelines. Antibiotic resistance also had an impact on treatment duration.
    CONCLUSIONS: Many guidelines were of poor quality, providing few decision-making tools for practical use. Conversely, those of good quality had established a management strategy addressing the current problems associated with the emergence of antibiotic-resistant strains.
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  • 文章类型: Journal Article
    UNASSIGNED:一组意大利脓疱病医疗专家试图定义10个陈述来描述当地最佳抗生素治疗的理想特征,并提供相关信息,说明其在临床实践中应考虑的适当使用和处方,以治疗脓疱疮。
    UNASSIGNED:一组意大利脓疱病医疗专家试图定义10种陈述,以描述当地最佳抗生素治疗的理想特征。并提供有关其适当使用和处方的相关信息,这些信息应在临床实践中考虑用于脓疱疮管理。
    UNASSIGNED:通过基于Delphi的在线方法评估了抗生素治疗脓疱病的理想特征的共识,根据一个由61名传染病专家组成的小组,儿科医生,和皮肤科医生由5名专门从事脓疱病管理的专家组成的科学委员会协调。
    UNASSIGNED:关于10个陈述达成了完全或非常高的共识,这些陈述描述了脓疱疮最佳假设抗生素治疗的特征以及适当使用抗生素的适应症。
    UASSIGNED:选择脓疱疮的局部抗菌治疗时,必须考虑几个标准。除了疗效和安全性,该药的抗菌敏感性和药理特性是必不可少的。抗菌产品的配方是基本的,以及患者和护理人员的偏好,为了促进治疗依从性,为了实现感染控制,并从治疗中获得最佳效益(CurrTherResClinExp.2023年;84:XXXXXX)。
    UNASSIGNED: A group of Italian experts in impetigo medical care sought to define 10 statements to describe the ideal characteristics of the best local antibiotic treatments, and to provide relevant information re- garding their appropriate use and prescription that should be considered in clinical practice for impetigo management.
    UNASSIGNED: A group of Italian experts in impetigo medical care sought to define 10 statements to describe the ideal characteristics of the best local antibiotic treatments, and to provide relevant information regarding their appropriate use and prescription that should be considered in clinical practice for impetigo management.
    UNASSIGNED: A consensus on ideal features of antibiotic therapy for the treatment of impetigo was appraised by an online Delphi-based method, based on a panel of 61 infectious disease specialists, pediatricians, and dermatologists coordinated by a scientific committee of 5 experts specializing in impetigo management.
    UNASSIGNED: Full or very high consensus was reached on the 10 statements identified to describe the characteristics of the best hypothetic antibiotic therapy for impetigo together with indications for appropriate antibiotics use.
    UNASSIGNED: Several criteria have to be considered when selecting topical antibacterial therapy for impetigo. Beyond efficacy and safety, antimicrobial susceptibility and pharmacological characteristics of the agent are essential points. Formulation of the antimicrobial product is fundamental, as well as patient and caregiver preference, to facilitate therapeutic adherence, to achieve the infection control, and to obtain the best benefit from treatment (Curr Ther Res Clin Exp. 2023; 84:XXXXXX).
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  • 文章类型: Observational Study
    报告青霉素和头孢菌素耐药的肺炎球菌脑膜炎的治疗方法,我们对我院1977~2018年收治的肺炎球菌性脑膜炎患者进行了一项观察性队列研究.根据欧洲抗菌药物敏感性试验委员会(EUCAST)的建议,我们将肺炎球菌定义为对青霉素敏感和耐药,MIC值≤0.06mg/L和>0.06mg/L,头孢噻肟(CTX)的相应值分别为≤0.5mg/L和>0.5mg/L。在研究期间,我们治疗了363次肺炎球菌性脑膜炎。其中,24没有存活菌株,留下339集,并包含已知的MIC。青霉素敏感株占246例(73%),耐青霉素菌株93株(27%),CTX易感58,而CTX耐药35。9例患者失败或复发,69例死亡(20%),其中22%为易感病例,17%为耐药病例。在地塞米松期间,易感和耐药病例的死亡率相等(12%).高剂量CTX(300mg/Kg/天)有助于治疗失败或复发的病例,并在用作经验疗法时防止失败(P=0.02),即使在CTX耐药的病例中。在青霉素和头孢菌素耐药性高发的情况下,高剂量CTX是肺炎球菌性脑膜炎的良好经验性治疗选择。对于青霉素或CTX,MIC高达2mg/L的肺炎球菌菌株有效治疗。
    To report on the therapy used for penicillin- and cephalosporin-resistant pneumococcal meningitis, we conducted an observational cohort study of patients admitted to our hospital with pneumococcal meningitis between 1977 and 2018. According to the European Committee on Antimicrobial Susceptibility Testing (EUCAST) recommendations, we defined pneumococci as susceptible and resistant to penicillin with MIC values of ≤0.06 mg/L and > 0.06 mg/L, respectively; the corresponding values for cefotaxime (CTX) were ≤0.5 mg/L and >0.5 mg/L. We treated 363 episodes of pneumococcal meningitis during the study period. Of these, 24 had no viable strain, leaving 339 episodes with a known MIC for inclusion. Penicillin-susceptible strains accounted for 246 episodes (73%), penicillin-resistant strains for 93 (27%), CTX susceptible for 58, and CTX resistant for 35. Nine patients failed or relapsed and 69 died (20%), of whom 22% were among susceptible cases and 17% were among resistant cases. During the dexamethasone period, mortality was equal (12%) in both susceptible and resistant cases. High-dose CTX (300 mg/Kg/day) helped to treat failed or relapsed cases and protected against failure when used as empirical therapy (P = 0.02), even in CTX-resistant cases. High-dose CTX is a good empirical therapy option for pneumococcal meningitis in the presence of a high prevalence of penicillin and cephalosporin resistance, effectively treating pneumococcal strains with MICs up to 2 mg/L for either penicillin or CTX.
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  • 文章类型: Journal Article
    优化抗生素治疗,降低抗生素耐药性,在一般实践中,国家治疗指南可用于尿路感染(UTI)。这些指南在抗菌素耐药性风险领域的有用性,如跨境地区或农业密集地区,是未知的。
    在Westland地区就诊的有急性UTI症状的女性全科医生(GP)的中游尿液样本,一个密集的农业区,进行了微生物学分析,和患者特征,症状,收集以前和现在的抗生素治疗。NationalNivel数据被用作抗生素耐药性的参考。
    310名女性出现不复杂的UTI症状,247(80%)具有培养证明的大肠杆菌UTI。总共为148名患者(48%)开了经验性抗生素治疗;7%的阴性女性和52%的尿培养阳性女性。有一个以上的症状与抗生素的处方有关;旅行史或以前使用UTI的抗生素没有。在98%的患者中,分离出的尿路病原体对经验性抗生素治疗敏感。对co-amoxiclav的耐药性(22%)高于2004年国家数据(12%),2009年(13%)和2014年(9%),以及超广谱β-内酰胺酶(ESBL)的患病率:在我们的研究中3.4%对0.1%,全国数据分别为1%和2.2%。
    抗生素耐药性的环境和社会人口统计学危险因素的存在并不影响无并发症UTI女性的经验性选择和国家指南建议的抗生素敏感性。
    To optimize antibiotic treatment and decrease antibiotic resistance, national treatment guidelines are available for urinary tract infections (UTIs) in general practice. The usefulness of these guidelines in risk areas for antimicrobial resistance such as cross border regions or areas with dense agriculture, is unknown.
    Midstream urine samples from women with symptoms of acute UTI visiting general practitioners (GPs) in the Westland area, a dense agriculture area, were microbiologically analysed, and patient characteristics, symptoms, previous and present antibiotic treatment were collected. The National Nivel data were used as reference for antibiotic resistance.
    Of 310 women with symptoms of uncomplicated UTI, 247 (80%) had a culture proven E. coli UTI. Empirical antibiotic therapy was prescribed to 148 patients (48%) in total; in 7% of women with a negative and 52% with a positive urine culture. Having more than one symptom was associated with the prescription of antibiotics; travel history or previous antibiotic use for UTI were not. The isolated uropathogens were susceptible to the empiric antibiotic therapy in 98% of patients. Resistance to co-amoxiclav was higher (22%) than reported in the national data of 2004 (12%), 2009 (13%) and 2014 (9%), as was the prevalence of extended spectrum β-lactamase (ESBL): 3.4% in our study versus 0.1%, 1% and 2.2% in the national data respectively.
    The presence of environmental and socio-demographic risk factors for antibiotic resistance did not influence the empiric choice nor susceptibility for antibiotics advised by the national guidelines in women with uncomplicated UTI.
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