Case study

案例研究
  • 文章类型: Case Reports
    肝细胞癌(HCC)是一种侵袭性实体瘤,死亡率高。手术是早期疾病的主要治疗考虑因素,但诊断时出现局部晚期或转移性HCC的患者治疗选择有限.在地区性方面取得了很大进展,免疫疗法,和晚期肝癌的靶向治疗。由于在3期研究中证明安全性和有效性的结果,HCC的护理标准发生了变化。即,阿妥珠单抗联合贝伐单抗治疗.尽管如此,仍然需要额外的治疗方法来进一步提高HCC的总生存率.在HCC患者中研究的一流治疗选择是肿瘤治疗场(TTField)治疗,从便携式医疗设备局部递送到肿瘤部位。TTFields是干扰关键癌细胞过程的电场,阻碍肿瘤进展。
    这里,我们报道了一例62岁男性HCC患者接受TTFields联合索拉非尼作为二线治疗的病例研究.尽管患者经历了以前的nivolumab的不良事件,他们达到了完全的反应,并继续治疗51个月,直到疾病进展,这导致治疗停止。我们报告说,在39个月的后续治疗与TTFields治疗和索拉非尼,患者经历了良好的生活质量,低全身毒性,部分反应后疾病稳定。
    这些有希望的发现,以及HEPANOVA第2阶段的临床研究,需要进一步研究TTField治疗肝癌。
    UNASSIGNED: Hepatocellular carcinoma (HCC) is an aggressive solid tumor associated with high mortality. Surgery is the main treatment consideration for early disease, but patients who present with locally advanced or metastatic HCC at diagnosis have limited treatment options. There has been great progress in locoregional, immunotherapy, and targeted treatments for advanced HCC. Standard of care for HCC has changed due to results demonstrating safety and efficacy in phase 3 studies, namely, for atezolizumab concomitant with bevacizumab. Nonetheless, additional therapeutic approaches are still warranted to further increase overall survival in HCC. A first-in-class treatment option investigated in patients with HCC is Tumor Treating Fields (TTFields) therapy, which is delivered locoregionally to the tumor site from a portable medical device. TTFields are electric fields that interfere with critical cancer cell processes, hindering tumor progression.
    UNASSIGNED: Here, we report on a case study of a 62-year-old male patient with HCC receiving TTFields concomitant with sorafenib as second-line therapy. Although the patient experienced adverse events with previous nivolumab, they achieved a complete response and continued on treatment for 51 months until disease progression, which led to treatment cessation. We report that during 39 months of subsequent treatment with TTFields therapy and sorafenib, the patient experienced a good quality of life, low systemic toxicity, and stable disease following a partial response.
    UNASSIGNED: These promising findings, along with those of the pilot phase 2 HEPANOVA clinical study, warrant further investigation of TTFields therapy in HCC.
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  • 文章类型: Journal Article
    背景:缺乏获得医疗保健的机会是全球性的公共卫生危机。在初级保健中,它导致了护士从业人员的实施增加,并提高了对患者小组能力的兴趣。这项研究的目的是检查影响安大略省基于团队的初级保健中护士从业者患者小组规模的因素,加拿大。
    方法:我们使用了多案例研究设计。有目的地选择了包括农村和城市环境在内的八种基于团队的初级保健实践作为案例。每个病例都有两个或两个以上的执业护士,至少有两年的初级保健经验。面试是亲自进行的,录制的音频,使用内容分析进行转录和分析。
    结果:40名参与者,包括19名护士,16名管理员(包括高管,经理,和接待员),5名医生接受了采访。病人,提供者,组织,和系统因素影响护士执业患者小组的大小。有八个子因素:患者健康和社会需求的复杂性;整体护理模式;护士执业经验和信心;多学科团队的组成和运作;文书和行政支持,以及护士执业活动和期望。所有参与者发现很难确定护士从业者的小组大小,称之为“灰色地带”。“建立和维持一种纵向关系,从整体上回应患者的需求,是护士从业者如何提供护理的基础。社会因素如性别、贫穷,心理健康问题,历史创伤,边缘化和识字导致了患者需求的复杂性。参与者表示,NPs试图在每次就诊时解决患者的所有问题。
    结论:护士从业者有一个全面的方法,包括关注健康的社会决定因素以及急性和慢性合并症。这种方法迫使他们尝试解决患者在每次就诊时经历的所有需求,并减少他们的面板大小。多学科团队在跨提供者构建服务时,有机会深思熟虑,以满足更多患者的健康和社会需求。这可以使得护士从业者小组的大小能够增加。
    BACKGROUND: Lack of access to health care is a worldwide public health crisis. In primary care it has led to increases in the implementation of nurse practitioners and heightened interest in their patient panel capacity. The aim of this study was to examine factors influencing nurse practitioner patient panel size in team-based primary care in Ontario, Canada.
    METHODS: We used a multiple case study design. Eight team-based primary care practices including rural and urban settings were purposively selected as cases. Each case had two or more nurse practitioners with a minimum of two years experience in the primary care setting. Interviews were conducted in-person, audio recorded, transcribed and analysed using content analysis.
    RESULTS: Forty participants, including 19 nurse practitioners, 16 administrators (inclusive of executives, managers, and receptionists), and 5 physicians were interviewed. Patient, provider, organizational, and system factors influenced nurse practitioner patient panel size. There were eight sub-factors: complexity of patients\' health and social needs; holistic nursing model of care; nurse practitioner experience and confidence; composition and functioning of the multidisciplinary team; clerical and administrative supports, and nurse practitioner activities and expectations. All participants found it difficult to identify the panel size of nurse practitioners, calling it- \"a grey area.\" Establishing and maintaining a longitudinal relationship that responded holistically to patients\' needs was fundamental to how nurse practitioners provided care. Social factors such as gender, poverty, mental health concerns, historical trauma, marginalisation and literacy contributed to the complexity of patients\' needs. Participants indicated NPs tried to address all of a patient\'s concerns at each visit.
    CONCLUSIONS: Nurse practitioners have a holistic approach that incorporates attention to the social determinants of health as well as acute and chronic comorbidities. This approach compels them to try to address all of the needs a patient is experiencing at each visit and reduces their panel size. Multidisciplinary teams have an opportunity to be deliberate when structuring their services across providers to meet more of the health and social needs of empanelled patients. This could enable increases in nurse practitioner panel size.
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  • 文章类型: Case Reports
    1型双相障碍(BD-1)是一种复杂的精神疾病,其特征是躁狂症和抑郁症的反复发作。虽然躁狂发作通常表现为冲动等经典症状,情绪升高,增加能量,非典型表现并不常见,遇到时可能会带来诊断挑战.此外,以前多次住院可以证明是一个更细微的病例,预后可能更差。本临床病例研究探讨了一名22岁的西班牙裔男性BD-1的非典型临床表现,并讨论了与正确诊断和识别该疾病相关的挑战。典型的BD-1症状包括抑郁和躁狂发作。躁狂症可能包括情绪激动,增加能量,赛车的想法,减少对睡眠的需求,宏伟,和冲动。典型的抑郁发作包括疲劳,情绪低落,失去动力,食欲或体重的变化,甚至自杀的想法.非典型症状包括躁狂和抑郁的混合,精神病,呈现季节性模式,焦虑的痛苦,紧张症,和快速的心情循环。病人,有BD-1病史,焦虑,多物质滥用,以及由于自杀行为的威胁,通过非自愿拘留将多个住院精神病患者提交给急诊科。抵达后,他表现出无数典型和不典型的急性躁狂症状,包括严重的躁动,杂乱无章,焦虑,有压力的演讲,和快速的情绪循环。在他承认的整个过程中,他表现出极端的激动,对员工进行人身暴力威胁,试图自我伤害,暴力对待他人,尽管在住院前三周接受了长效注射安定药,但仍表现出冲动和夸张。住院期间的预定药物治疗包括利培酮的组合,噻嗪,双丙戊酸钠,米氮平,氯硝西泮,还有替马西泮.此临床病例强调了识别BD-1躁狂发作的典型和非典型表现以及治疗患有严重和难治性症状需要频繁住院的患者所面临的挑战的重要性。
    Bipolar disorder type 1 (BD-1) is a complex psychiatric disorder characterized by recurrent episodes of mania and depression. While manic episodes typically present with classic symptoms such as impulsivity, elevated mood, and increased energy, atypical presentations are not as common and when encountered may pose diagnostic challenges. In addition, multiple previous hospitalizations can prove for a more nuanced case with a potentially worse prognosis. This clinical case study explores the atypical clinical presentation of a 22-year-old Hispanic male with BD-1 and discusses the challenges associated with the correct diagnosis and recognition of this disorder. Typical BD-1 symptoms consist of depressive and manic episodes. The mania can encompass elevated mood, increased energy, racing thoughts, decreased need for sleep, grandiosity, and impulsivity. The typical depressive episodes consist of fatigue, low mood, loss of motivation, changes in appetite or weight, and even suicidal thoughts. Atypical symptoms consist of a mixture of both mania and depression at once, psychosis, present with seasonal patterns, anxious distress, catatonia, and rapid cycling of mood. The patient, with a medical history of BD-1, anxiety, polysubstance abuse, and multiple inpatient psychiatric hospitalizations presented to the emergency department via involuntary hold due to threats of suicidal behavior. Upon arrival, he presented with a myriad of typical and atypical acute manic symptoms including severe agitation, disorganization, anxiety, pressured speech, and rapid mood cycling. Throughout his admission he demonstrated extreme episodes of agitation, making threats of physical violence towards staff, attempting self-injury, behaving violently towards others, and displaying impulsivity as well as grandiosity despite receiving his long-acting injectable neuroleptic medication just three weeks prior to his hospitalization. Scheduled medication treatment during his inpatient hospitalization included a combination of risperidone, thorazine, divalproex sodium, mirtazapine, clonazepam, and temazepam. This clinical case underscores the importance of recognizing both typical and atypical presentations of manic episodes in BD-1 as well as the challenges involved in the treatment of a patient with severe and refractory symptoms requiring frequent hospitalizations.
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  • 文章类型: Journal Article
    背景:初级保健通常被描述为变化缓慢。但是通过复杂性理论概念化,初级保健在不可预测的情况下不断变化,通过自组织过程的非线性方式。事实证明,自组织很难直接研究。我们旨在开发一种方法来研究自组织,并描述初级保健诊所如何随着时间的推移自我组织。
    方法:我们从2021年5月至11月完成了一个城市初级保健诊所的虚拟案例研究,应用参与者网络理论的方法论见解来研究自组织的复杂性理论概念。我们选择将注意力集中在改变组织惯例的自组织活动上。数据包括观察到的团队会议的现场笔记,文档集合,采访诊所成员,以及每周简短讨论的笔记,以检测改变临床和管理程序的措施。适应模式分析,我们按时间顺序描述了不同组织例程的变化,然后探索交叉变化。我们从参与的诊所寻求对结果的反馈。
    结果:在COVID-19大流行中,重新建立平衡仍然具有挑战性。初级保健诊所继续自我组织,以应对不断变化的卫生政策,早期适应的意外后果,工作人员变动,和临床护理计划。物理空间,技术,外部和内部政策,指导方针,和诊所成员都影响了自我组织。改变一个创造的涟漪效果,有时会产生新的,意想不到的问题。成员检查证实,在案例研究期间,我们捕获了组织例程的大部分更改。
    结论:通过参与者网络理论的见解,适用于研究改变组织惯例所采取的行动,有可能将自组织的理论建构付诸实施。我们的方法阐明了初级保健诊所作为一个不断变化的实体,具有共存和交叉的自组织过程,以应对变化的压力。
    BACKGROUND: Primary care is often described as slow to change. But conceptualized through complexity theory, primary care is continually changing in unpredictable, non-linear ways through self-organization processes. Self-organization has proven hard to study directly. We aimed to develop a methodology to study self-organization and describe how a primary care clinic self-organizes over time.
    METHODS: We completed a virtual case study of an urban primary care clinic from May-Nov 2021, applying methodological insights from actor-network theory to examine the complexity theory concept of self-organization. We chose to focus our attention on self-organization activities that alter organizational routines. Data included fieldnotes of observed team meetings, document collection, interviews with clinic members, and notes from brief weekly discussions to detect actions to change clinical and administrative routines. Adapting schema analysis, we described changes to different organizational routines chronologically, then explored intersecting changes. We sought feedback on results from the participating clinic.
    RESULTS: Re-establishing equilibrium remained challenging well into the COVID-19 pandemic. The primary care clinic continued to self-organize in response to changing health policies, unintended consequences of earlier adaptations, staff changes, and clinical care initiatives. Physical space, technologies, external and internal policies, guidelines, and clinic members all influenced self-organization. Changing one created ripple effects, sometimes generating new, unanticipated problems. Member checking confirmed we captured most of the changes to organizational routines during the case study period.
    CONCLUSIONS: Through insights from actor-network theory, applied to studying actions taken that alter organizational routines, it is possible to operationalize the theoretical construct of self-organization. Our methodology illuminates the primary care clinic as a continually changing entity with co-existing and intersecting processes of self-organization in response to varied change pressures.
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  • 文章类型: Journal Article
    背景:这项研究旨在从结构上描述利比亚口腔保健系统,函数,劳动力,资金,报销和目标群体。
    方法:使用单一描述性案例研究方法和多种数据收集来源,以深入了解利比亚口腔保健系统。有目的的关键线人样本(口腔健康中心经理,具有该领域经验的各种专业的牙医,牙医,护士,牙科技术员,以及医疗保险事务中的官员)被招聘。案例及其界限以研究的目的为指导。进行了定性和定量分析。描述性统计用于定量数据。框架分析,根据研究目标,用于分析采访和文件。
    结果:分析表明,口腔健康服务已整合到医疗服务中。提供牙科护理主要以治疗为主,在私营部门。公共部门的口腔保健服务主要是紧急护理和拔牙。研究中包括的牙科劳动力主要是牙医(89%的普通牙科从业人员(GDPs),11%的专家),牙科技术员和护士明显缺乏。大约40%的牙医在私营和公共部门工作。政府为公共部门提供资金,但是私营部门是自筹资金的。没有具体的目标群体或明确的政策报告。然而,该系统是围绕初级卫生保健作为一项总体政策而建立的。龋齿是利比亚学龄前儿童中最常见的口腔问题,影响约70%,并且是成人牙齿脱落的最常见原因。
    结论:利比亚的口腔保健系统主要是私有化的。公共卫生服务组织不善,出现故障。迫切需要制定政策和计划,以改善利比亚的口腔保健系统。
    BACKGROUND: This study aims to describe the Libyan oral health care system in terms of its structure, function, workforce, funding, reimbursement and target groups.
    METHODS: A single descriptive case study approach and multiple sources of data collection were used to provide an in-depth understanding of the Libyan oral health care system. A purposeful sample of the key informants (Managers of oral health centers, dentists of various specialties with experience in the field, dentists, nurses, dental technicians, and officials in the affairs of medical insurance) was recruited. The case and its boundaries were guided by the study\'s aim. Both qualitative and quantitative analyses were conducted. Descriptive statistics were used for quantitative data. Framework analysis, informed by the study objectives, was used to analyze interviews and documents.
    RESULTS: The analysis showed that oral health services are integrated into medical services. The provision of dental care is mainly treatment-based, in the private sector. The oral health services in the public sector are mainly emergency care and exodontia. The dental workforce included in the study were mostly dentists (89% General Dental Practitioners (GDPs), 11% specialists), with a marked deficiency in dental technicians and nurses. Around 40% of dentists work in both the private and public sectors. The government provides the funding for the public sector, but the private sector is self-funded. No specific target group(s) nor clear policies were reported. However, the system is built around primary health care as an overarching policy. Dental caries is the most common oral problem among Libyan preschool children affecting around 70% and is the most common cause of tooth loss among adults.
    CONCLUSIONS: The oral health care system in Libya is mainly privatized. The public health services are poorly organized and malfunctioning. There is an urgent need to develop policies and plans to improve the oral health care system in Libya.
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  • 文章类型: Journal Article
    碳捕集的开发和实施,利用和储存(CCUS)技术在欧盟(EU)国家的脱碳政策和战略中发挥着越来越重要的作用。多项研究表明,社会接受度在确定CCUS项目的结果以及国家和地方环境如何影响社会接受度方面发挥着重要作用。然而,大多数关于CCUS和社会接受度的研究都集中在一些北欧国家,尽管整个欧盟的CCUS项目越来越多。本研究旨在通过对两个独立的希腊社区中当地动态如何影响人们对CCUS的接受和认识的案例研究来帮助解决这一差距。根据对CCUS试点工厂附近社区成员的半结构化访谈,以及一个由来自潜在存储站点的社区成员组成的焦点小组,这个单一的案例研究探讨了影响参与者对CCUS技术看法的因素和动态。我们的研究结果表明,尽管人们对CCUS技术的认识水平较低,参与者可以利用他们所处的知识来识别他们应用的潜在缺点。我们根据过去的经验,对采用新技术和相关组织表示怀疑,以及项目财团明显缺乏提供技术和特定地点的信息以及公众参与。我们对未来项目和社区参与的建议包括公众尽早参与项目开发,基于位置的透明信息,促进知识交流的适当渠道,和教育倡议,以建立社区影响项目的能力。
    The development and implementation of carbon capture, utilisation and storage (CCUS) technologies plays an increasingly important part in European Union (EU) countries\' decarbonisation policies and strategies. Several studies have shown the important role social acceptance plays in determining the outcomes of CCUS projects and how social acceptance is shaped by the national and local contexts. Yet most studies on CCUS and social acceptance have focused on a few northern European countries despite the increasing numbers of CCUS projects across the European Union. This study seeks to help address this gap by conducting a case study on how local dynamics shaped people\'s acceptance and awareness of CCUS in two separate Greek communities. Based on semi-structured interviews with community members near a CCUS pilot plant, and a focus group with community members from a potential storage site, this single case study explores the factors and dynamics that shaped the participants\' perceptions of CCUS technologies. Our findings indicate that, despite the low level of awareness of CCUS technologies, participants could draw on their situated knowledge to identify potential drawbacks with their application. We identified scepticism regarding the adoption of new technologies and the organisations involved based on past experiences, and a notable lack of provision of technology and location-specific information as well as public engagement by the project consortium. Our recommendations for future projects and community engagement include the early involvement of the public in project development, location-based transparent information, appropriate channels to facilitate knowledge exchange, and educational initiatives to build communities\' capability to influence projects.
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  • 文章类型: Journal Article
    在学术文献中有许多关于结核病感染预防和控制(IPC)实施不力的例子,描述了空气传播疾病向患者和卫生工作者医院传播的高风险环境。我们根据Weick的组织感官塑造理论,开发了一个积极的异常组织案例研究。我们关注的是东开普省农村的一家地区医院,南非并使用四个初级保健诊所作为比较地点。我们采访了18名卫生工作者,以了解随着时间的推移TBIPC的实施情况。我们包括对结核病和COVID-19IPC之间相互作用的随访访谈。我们发现,通过不断调整基于协同干预措施的策略(例如结核病分诊和工作人员卫生服务),地区医院的结核病IPC实施得到了加强。改变卫生工作者对结核病IPC的重视程度,并建立组织结核病IPC规范。COVID-19大流行严格测试了组织弹性,COVID-19IPC措施与结核病竞争而不是协同作用。然而,有机会将COVID-19IPC组织叙述应用于TBIPC,以支持其使用。基于这种积极的异常案例,我们建议将TBIPC的实施视为一种社会过程,卫生工作者可以为如何解释和应用证据做出贡献。
    There are many examples of poor TB infection prevention and control (IPC) implementation in the academic literature, describing a high-risk environment for nosocomial spread of airborne diseases to patients and health workers. We developed a positive deviant organisational case study drawing on Weick\'s theory of organisational sensemaking. We focused on a district hospital in the rural Eastern Cape, South Africa and used four primary care clinics as comparator sites. We interviewed 18 health workers to understand TB IPC implementation over time. We included follow-up interviews on interactions between TB and COVID-19 IPC. We found that TB IPC implementation at the district hospital was strengthened by continually adapting strategies based on synergistic interventions (e.g. TB triage and staff health services), changes in what value health workers attached to TB IPC and establishing organisational TB IPC norms. The COVID-19 pandemic severely tested organisational resilience and COVID-19 IPC measures competed instead of acted synergistically with TB. Yet there is the opportunity for applying COVID-19 IPC organisational narratives to TB IPC to support its use. Based on this positive deviant case we recommend viewing TB IPC implementation as a social process where health workers contribute to how evidence is interpreted and applied.
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  • 文章类型: Journal Article
    这项研究为从业者和当地利益相关者提供了有关如何使用现有研究结果进行利益转移(BT)的分步指导,并最终对湖水透明度的改善如何使周围社区受益做出明智的预测。使用美国环境保护局开发的公开元数据集演示了该程序,以及随后的荟萃分析,综合了有关水透明度改善如何影响家庭价值的文献。使用Kosciusko县14个大型湖泊的案例研究证明了BT程序,印第安纳.特定于湖泊的房屋价值平均增长,以及住房总价值,是为了说明湖水透明度的改善而计算的。这种分析提供了一个关键的桥梁,以更好地连接高质量,学术研究与现实世界的政策分析,并最终有助于更好地装备地方政府和利益相关者做出更明智的政策和土地使用决策。
    This study provides step-by-step guidance for practitioners and local stakeholders on how to use existing study results to conduct benefit transfer (BT), and ultimately make informed predictions of how improvements in lake water clarity may benefit surrounding communities. The procedures are demonstrated using a publicly available meta-dataset developed by the United States Environmental Protection Agency, and a subsequent meta-analysis that synthesizes the literature on how improvements in water clarity impact home values. The BT procedures are demonstrated using a case study of 14 large lakes in Kosciusko County, Indiana. Lake-specific average increases in home values, as well as the value of the housing stock in aggregate, are calculated for illustrative improvements in lake water clarity. This analysis provides a critical bridge to better connect high-quality, academic research with real-world policy analysis, and ultimately serves to better equip local governments and stakeholders to make more informed policy and land use decisions.
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  • 文章类型: Journal Article
    在一些国家,药剂师已经获得了处方权利,以提高护理质量和可及性,并减少医生的工作量。本案例研究探讨了药剂师在荷兰初级保健中的当前角色和潜在处方,不存在药剂师的处方权。对在普通实践或社区药房工作的药剂师进行了参与性观察,以及关于当前和潜在实践的半结构化访谈。后者扩展到患者和其他医疗保健专业人员,主要是全科医生,总共进行了34次面试。主题分析表明,药剂师,在所有情况下,写处方,然后在配药前由医生授权。基于一般实践的药剂师经常在患者咨询期间开处方。社区药剂师主要通过(a)药物审查来影响处方,其中医生和/或执业护士经常被咨询以做出治疗决定,(b)与医生达成合作协议,以在特定情况下开始或替代药物。这些发现表明,药剂师目前在荷兰处方中的作用类似于其他国家的协作处方实践。我们还确定了在正式介绍药剂师处方之前应该解决的几个问题,例如任务和责任的定义以及针对药剂师的处方特定培训。
    In some countries, pharmacists have obtained prescribing rights to improve quality and accessibility of care and reduce physician workload. This case study explored pharmacists\' current roles in and potential for prescribing in primary care in the Netherlands, where prescribing rights for pharmacists do not exist. Participatory observations of pharmacists working in either general practice or community pharmacy were conducted, as were semi-structured interviews about current and potential practice. The latter were extended to patients and other healthcare professionals, mainly general practitioners, resulting in 34 interviews in total. Thematic analyses revealed that pharmacists, in all cases, wrote prescriptions that were then authorized by a physician before dispensing. General practice-based pharmacists often prescribed medications during patient consultations. Community pharmacists mainly influenced prescribing through (a) medication reviews where the physician and/or practice nurse often were consulted to make treatment decisions, and (b) collaborative agreements with physicians to start or substitute medications in specific situations. These findings imply that the pharmacists\' current roles in prescribing in the Netherlands resemble collaborative prescribing practices in other countries. We also identified several issues that should be addressed before formally introducing pharmacist prescribing, such as definitions of tasks and responsibilities and prescribing-specific training for pharmacists.
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  • 文章类型: Journal Article
    成团的泛菌,革兰氏阴性细菌,已经成为一种机会病原体,特别是在新生儿医疗机构中。最初被认为是无害的环境污染物,成团假单胞菌越来越多地参与一系列临床感染,包括新生儿败血症和菌血症。本系统综述对2003-2023年发表的临床病例进行了深入分析,阐明了与新生儿成群假单胞菌感染相关的多方面临床表现和治疗挑战。总的来说,包括来自八个不同国家的11例病例报告和45例新生儿病例系列。大多数感染患者(57.8%)在亚洲国家(斯里兰卡,印度,科威特),并涉及极低至低出生体重的早产儿(64.4%),以及并发的医疗状况,包括其中一些(15.6%)的合并感染。血液是病原体的主要培养源,占42例(91.1%),而新生儿的临床表现表现出相当大的异质性,包括常见的症状,如喂养困难,呼吸窘迫,发烧,嗜睡,还有败血症.新生儿的生存在很大程度上取决于感染的起源和诊断的时机。将抗生素敏感性作为治疗选择的标准导致74%的存活率。通常,使用了抗生素的组合。报告有11例新生儿死亡,导致估计死亡率为24.4%。我们得出的结论是,新生儿重症监护病房内的暴发强调了严格的感染控制措施和加强监测的重要性,特别是考虑到纳入的研究中提到的快速疾病进展。增强对聚集假单胞菌感染的临床和微生物学特征的认识和理解对于优化结果和减轻新生儿人群的疾病负担至关重要。
    Pantoea agglomerans, a gram-negative bacterium, has emerged as an opportunistic pathogen, particularly within neonatal healthcare settings. Initially perceived as an innocuous environmental contaminant, P. agglomerans has been increasingly implicated in a spectrum of clinical infections, including neonatal sepsis and bacteremia. This systematic review conducts an in-depth analysis of the clinical cases published in 2003-2023, elucidating the multifaceted clinical presentations and therapeutic challenges associated with P. agglomerans infections in neonates. In total, 11 case reports and case series of 45 neonates from eight different countries were included. Most of the infected patients (57.8%) were reported in Asian countries (Sri Lanka, India, Kuwait) and involved preterm neonates (64.4%) with extremely low to low birth weight, and concurrent medical conditions including co-infections in a few of them (15.6%). Blood was the main culture source of the pathogen, accounting for 42 cases (91.1%) whereas clinical presentations in neonates exhibited considerable heterogeneity, encompassing common symptoms such as feeding difficulties, respiratory distress, fever, lethargy, and sepsis. Neonatal survival largely depended on the infection\'s origin and the timing of diagnosis. Considering antibiotic susceptibility as a criterion for treatment selection led to a 74% survival rate. Usually, a combination of antibiotics was used. There were 11 neonatal deaths reported, leading to an estimated mortality rate of 24.4%. We conclude that outbreaks within neonatal intensive care units underscore the importance of stringent infection control practices and heightened surveillance, especially considering the rapid disease progression noted in the included studies. Enhanced awareness and understanding of the clinical and microbiological characteristics of P. agglomerans infections are paramount for optimizing outcomes and reducing the burden of disease in neonatal populations.
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