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Infective endocarditis and infections of cardiac devices 感染性心内膜炎和心脏装置感染
Pub Date : 2026-02-01 DOI: 10.1016/j.mpmed.2025.11.008
Aodhán S. Breathnach
Endocarditis is a rare but serious condition, with a high associated mortality. Risks include congenital and acquired valvular disease, poor dentition, injecting drug use, the presence of prosthetic heart valves and prolonged intravascular access (e.g. dialysis). Most cases are caused by staphylococci, oral streptococci or enterococci. Patients can present with any combination of features of sepsis, local cardiac valvular abnormalities and embolic phenomena. Diagnosis depends on combined evidence of infection (clinical sepsis, emboli, bacteraemia) and cardiac imaging (echocardiography, positron emission tomography CT). Treatment usually involves prolonged courses of intravenous antibiotics in synergistic combinations; many patients also need surgery, usually involving valve replacement. Specific preventive measures include prophylactic antibiotics for high-risk patients during dental procedures, although the benefit is disputed. Non-infective conditions that mimic infective endocarditis include marantic endocarditis and Libman–Sacks endocarditis.
心内膜炎是一种罕见但严重的疾病,死亡率很高。风险包括先天性和获得性瓣膜疾病、牙列不良、注射吸毒、假心脏瓣膜的存在和血管内通道延长(如透析)。大多数病例是由葡萄球菌、口腔链球菌或肠球菌引起的。患者可以表现为脓毒症、局部心脏瓣膜异常和栓塞现象的任何组合特征。诊断取决于感染的综合证据(临床败血症、栓塞、菌血症)和心脏成像(超声心动图、正电子发射断层扫描CT)。治疗通常包括延长疗程的静脉注射抗生素协同联合;许多患者还需要手术,通常包括瓣膜置换术。具体的预防措施包括在牙科手术期间对高危患者使用预防性抗生素,尽管其益处存在争议。类似感染性心内膜炎的非感染性疾病包括侵袭性心内膜炎和利普曼-萨克斯心内膜炎。
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引用次数: 0
Pyrexia of unknown origin 不明原因的发热
Pub Date : 2026-02-01 DOI: 10.1016/j.mpmed.2025.11.009
Catharina M Mulders-Manders, Albrecht Betrains
Pyrexia or fever of unknown origin is defined as prolonged fever in an immunocompetent person that has an unknown cause despite standard investigations. Infections, non-infectious inflammatory diseases, malignancy and other diseases can all cause pyrexia of unknown origin. The diagnostic work-up is based on the identification of potential diagnostic clues, and further investigation is based on the differential diagnosis of these clues. When diagnostic clues are absent, 18F-FDG-PET-CT is the single test with the highest contributory value, helping the final diagnosis in half of all patients. In Western Europe, up to 50% of patients remain without a diagnosis despite extensive investigation. Mortality is low in undiagnosed cases, and spontaneous resolution of fever is relatively common.
发热或不明原因发热定义为免疫正常者虽经标准调查,但原因不明的持续发热。感染、非感染性炎症、恶性肿瘤等疾病均可引起不明原因的发热。诊断检查是基于对潜在诊断线索的识别,进一步的调查是基于对这些线索的鉴别诊断。在没有诊断线索的情况下,18F-FDG-PET-CT是贡献价值最高的单一检查,对半数患者的最终诊断有帮助。在西欧,尽管进行了广泛调查,但仍有高达50%的患者未得到诊断。未确诊病例的死亡率很低,发热自行消退相对常见。
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引用次数: 0
Bacterial meningitis and brain abscess 细菌性脑膜炎和脑脓肿
Pub Date : 2026-02-01 DOI: 10.1016/j.mpmed.2025.11.003
Andrew Woodhouse
Bacterial meningitis and brain abscess are serious infections of the central nervous system associated with high mortality and morbidity. Outcomes from these infections are improved by early diagnosis and treatment. If bacterial meningitis is suspected, it should be considered a medical emergency with an emphasis on early lumbar puncture (LP) and prompt initiation of empirical antibiotic treatment together with corticosteroids. The requirement for neuroimaging in suspected meningitis before LP is limited to a small number of situations. Published guidelines should be followed to reduce unnecessary scanning and delays in performing LP and starting antibiotics. Conversely, the diagnosis of brain abscess requires early cerebral imaging and a multidisciplinary approach between emergency physicians, radiologists, infection specialists and neurosurgeons to optimize outcomes.
细菌性脑膜炎和脑脓肿是与高死亡率和发病率相关的中枢神经系统严重感染。早期诊断和治疗可改善这些感染的预后。如果怀疑细菌性脑膜炎,应考虑急诊治疗,重点是早期腰椎穿刺(LP)和迅速开始经验性抗生素治疗和皮质类固醇。在LP之前,对疑似脑膜炎的患者进行神经影像学检查的要求仅限于少数情况。应遵循已公布的指南,以减少不必要的扫描和延迟执行LP和开始使用抗生素。相反,脑脓肿的诊断需要早期的脑成像和急诊医生、放射科医生、感染专家和神经外科医生之间的多学科合作,以优化结果。
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引用次数: 0
Management of pregnancy in patients with rheumatic disease 风湿病患者妊娠的管理
Pub Date : 2025-12-01 DOI: 10.1016/j.mpmed.2025.09.005
Mark Gibson, Oseme Etomi, Elena Nikiphorou
Pregnancy in patients with inflammatory rheumatic diseases (IRMDs) presents unique challenges requiring multidisciplinary, individualized care. Historically associated with poor maternal and fetal outcomes, pregnancy in this population is now safer because of improved disease control and therapeutic strategies. However, risks vary by diagnosis and disease activity, with active disease at conception being a key predictor of adverse outcomes. Physiological changes during pregnancy, such as immune modulation, hormonal shifts and cardiovascular adaptations, can affect disease course and treatment decisions. Conditions such as systemic lupus erythematosus, antiphospholipid syndrome and systemic sclerosis require particular attention because of heightened risks of flares, thrombosis and poor fetal growth. Pre-conception counselling is essential to optimize disease stability, adjust medications and assess risk. Many conventional disease-modifying antirheumatic drugs and tumour necrosis factor inhibitors are safe for use in pregnancy and breastfeeding, while teratogenic agents such as methotrexate and mycophenolate must be discontinued in advance. Regular monitoring, including disease activity assessments and fetal surveillance, is vital throughout pregnancy. Postpartum disease flares are common and require proactive management. With appropriate planning and coordinated care, most women with IRMDs can experience successful pregnancies and healthy postpartum outcomes, highlighting the importance of balancing disease control with maternal and neonatal safety.
炎症性风湿病(irmd)患者的妊娠提出了独特的挑战,需要多学科、个性化的护理。由于疾病控制和治疗策略的改善,这一人群的妊娠在历史上与不良的母胎结局有关,现在更安全了。然而,风险因诊断和疾病活动而异,怀孕时疾病活跃是不良结果的关键预测因素。怀孕期间的生理变化,如免疫调节、激素变化和心血管适应,可影响病程和治疗决定。系统性红斑狼疮、抗磷脂综合征和系统性硬化症等疾病需要特别关注,因为它们会增加发作、血栓形成和胎儿生长不良的风险。孕前咨询对于优化疾病稳定性、调整药物和评估风险至关重要。许多传统的疾病缓解抗风湿药物和肿瘤坏死因子抑制剂在妊娠期和哺乳期使用是安全的,而致畸剂如甲氨蝶呤和霉酚酸酯必须提前停用。定期监测,包括疾病活动评估和胎儿监测,在整个妊娠期间至关重要。产后疾病发作是常见的,需要积极的管理。通过适当的计划和协调的护理,大多数患有irmd的妇女可以成功怀孕并获得健康的产后结果,这突出了平衡疾病控制与孕产妇和新生儿安全的重要性。
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引用次数: 0
Management of rheumatoid arthritis 类风湿关节炎的管理
Pub Date : 2025-12-01 DOI: 10.1016/j.mpmed.2025.09.011
Mark Gibson, Elena Nikiphorou
Rheumatoid arthritis (RA) is a chronic inflammatory disease that, if untreated, can cause irreversible joint damage and long-term disability. Early intervention using a treat-to-target strategy – aiming for remission or low disease activity – has transformed outcomes, especially when initiated within the therapeutic window of opportunity. Methotrexate remains the anchor conventional synthetic disease-modifying antirheumatic drug (DMARD), often used in combination with other conventional synthetic DMARDs and short-term corticosteroids. For patients not achieving disease control, escalation to biologic or targeted synthetic DMARDs is recommended. Biosimilars have improved access to biologics, while Janus kinase inhibitors, a newer targeted synthetic DMARD class, offer oral administration and rapid onset. However, concerns about cardiovascular and cancer risks have prompted regulatory cautions. RA is associated with multiple co-morbidities, including cardiovascular disease, infections and malignancies, necessitating structured reviews and proactive management. A subset of patients develop difficult-to-treat RA, where persistent symptoms and psychosocial factors complicate care. Chronic pain and mental health impacts further impair quality of life, highlighting the need for a comprehensive, multidisciplinary approach. Personalized medicine and biomarker-driven strategies may improve outcomes and reduce disease burden. Overall, optimal RA management must balance effective pharmacological control with holistic care addressing the full spectrum of physical and psychosocial challenges.
类风湿性关节炎(RA)是一种慢性炎症性疾病,如果不治疗,可导致不可逆的关节损伤和长期残疾。采用治疗到目标策略的早期干预——旨在缓解或降低疾病活动性——已经改变了结果,特别是在治疗机会之窗内开始时。甲氨蝶呤仍然是主要的常规合成疾病缓解抗风湿药物(DMARD),通常与其他常规合成DMARD和短期皮质类固醇联合使用。对于未达到疾病控制的患者,建议升级到生物或靶向合成dmard。生物仿制药改善了生物制剂的可及性,而Janus激酶抑制剂,一种新的靶向合成DMARD类,提供口服给药和快速起效。然而,对心血管和癌症风险的担忧引发了监管部门的警告。类风湿性关节炎与多种合并症有关,包括心血管疾病、感染和恶性肿瘤,需要有组织的审查和积极的管理。一部分患者发展为难以治疗的类风湿性关节炎,其中持续的症状和社会心理因素使治疗复杂化。慢性疼痛和心理健康影响进一步损害生活质量,强调需要一个全面的,多学科的方法。个性化医疗和生物标志物驱动的策略可以改善结果并减轻疾病负担。总的来说,最佳的类风湿性关节炎管理必须平衡有效的药物控制与解决身体和心理挑战的全面护理。
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引用次数: 0
Osteoarthritis 骨关节炎
Pub Date : 2025-12-01 DOI: 10.1016/j.mpmed.2025.10.004
Tonia L Vincent, Fiona E Watt
Osteoarthritis (OA) is the most common form of joint disease, and its impact is set to grow as the prevalence of obesity rises and the elderly population increases. Many clinicians regard OA as simply a disease of ‘wear and tear’, and by implication one in which disease modification is not possible. Such prejudices previously led to significant academic apathy, reflected not only in the poor understanding of disease pathogenesis, but also in the failure to classify the disease with greater precision and develop sensitive tools for diagnostic and prognostic assessment. The identification of key degradative enzymes in cartilage, the appreciation that damaged articular cartilage has repair capabilities and the recognition that ‘good’ and ‘bad’ mechanical stress activates/regulates different molecular pathways have greatly changed the outlook in recent years. Evidence-based management of the condition is outlined in international guidelines: education, weight control/loss and physical activity/exercise (general, joint specific) are core interventions. Analgesia and non-pharmacological and surgical approaches favourably affecting joint biomechanics are used for treating painful OA unresponsive to core interventions. The disease remains the most common reason for joint replacement surgery. There are no licensed disease-modifying OA drugs but recent clinical trials suggest that these may be within reach.
骨关节炎(OA)是最常见的关节疾病,随着肥胖患病率的上升和老年人口的增加,其影响将越来越大。许多临床医生认为OA仅仅是一种“磨损性”疾病,暗示这种疾病是不可能改变的。这种偏见以前导致了严重的学术冷漠,不仅反映在对疾病发病机制的了解不足,而且反映在未能更精确地对疾病进行分类和开发诊断和预后评估的敏感工具。近年来,软骨中关键降解酶的鉴定,受损关节软骨具有修复能力的认识以及“好”和“坏”机械应力激活/调节不同分子途径的认识极大地改变了前景。国际指南概述了该病的循证管理:教育、体重控制/减轻和身体活动/锻炼(一般、特定关节)是核心干预措施。镇痛、非药物和手术方法有利于影响关节生物力学,可用于治疗对核心干预无反应的疼痛性OA。这种疾病仍然是关节置换手术最常见的原因。目前还没有获得许可的改善疾病的OA药物,但最近的临床试验表明,这些药物可能是可以实现的。
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引用次数: 0
Aetiopathology of rheumatoid arthritis 类风湿关节炎的病原病理学
Pub Date : 2025-12-01 DOI: 10.1016/j.mpmed.2025.09.010
Chung Mun Alice Lin, Kenneth F Baker
Rheumatoid arthritis is a chronic, destructive, immune-mediated inflammatory disease that affects 1% of the UK population. Advances in our understanding of the underlying aetiopathology have highlighted the heterogeneous nature of this disease, with multifactorial contributions from both genetic and environmental factors among others.
类风湿关节炎是一种慢性、破坏性、免疫介导的炎症性疾病,影响了英国1%的人口。我们对潜在病因病理学的理解的进步突出了这种疾病的异质性,其中包括遗传和环境因素的多因素贡献。
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引用次数: 0
Digital twins – their future in healthcare 数字双胞胎——他们在医疗保健领域的未来
Pub Date : 2025-12-01 DOI: 10.1016/j.mpmed.2025.09.004
Anthony Lockett
In the context of healthcare digital twins are computer-generated simulations of an organ, person or healthcare process designed to improve or evaluate healthcare. They offer much promise in personalized medicine, but there have been limits caused by the complexity of data involved and the integration with real-world evidence. Agentic artificial intelligence (AI) has recently been proposed as a solution, but this brings the issues of lack of transparency and bias. Until these issues are resolved, digital twins will be limited in their applicability to healthcare.
在医疗保健环境中,数字双胞胎是计算机生成的器官、人或医疗保健过程的模拟,旨在改善或评估医疗保健。它们为个性化医疗提供了很大的希望,但由于所涉及的数据的复杂性和与现实世界证据的整合,它们受到了限制。人工智能(AI)最近被提出作为解决方案,但这带来了缺乏透明度和偏见的问题。在这些问题得到解决之前,数字孪生在医疗保健领域的应用将受到限制。
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引用次数: 0
Psoriatic arthritis and related spondylarthritides 银屑病关节炎及相关的脊柱炎
Pub Date : 2025-12-01 DOI: 10.1016/j.mpmed.2025.10.003
Ashley Elliott
Psoriatic arthritis (PsA) is a chronic seronegative inflammatory arthritis associated with psoriasis. It affects up to 0.3–1% of the population, typically in middle age. This review provides an overview of PsA and associated peripheral seronegative arthritides. Key epidemiological data are discussed, highlighting that PsA occurs in 20–30% of individuals with psoriasis and can be underdiagnosed. We outline the pathophysiology of PsA, emphasizing the role of genetic predisposition and immune pathways (e.g. interleukin (IL-23)/IL-17 axis) leading to synovitis, enthesitis and joint damage. The spectrum of clinical presentations is described, from peripheral joint oligoarthritis with dactylitis to axial spondylitis and arthritis mutilans. The diagnostic approach focuses on history (psoriasis, nail changes, pattern of arthritis) and examination (enthesitis, dactylitis), supported by imaging, particularly musculoskeletal ultrasonography for early detection of subclinical disease. We summarize management strategies, including non-steroidal anti-inflammatory drugs, conventional disease-modifying antirheumatic drugs and biologic agents, and address tailored approaches for related conditions.
银屑病关节炎(PsA)是一种与银屑病相关的慢性血清阴性炎症性关节炎。它影响了0.3-1%的人口,通常是中年人。这篇综述提供了PsA和相关的周围血清阴性关节炎的概述。讨论了关键的流行病学数据,强调PsA发生在20-30%的牛皮癣患者中,并且可能未被诊断。我们概述了PsA的病理生理学,强调遗传易感性和免疫途径(如白细胞介素(IL-23)/IL-17轴)导致滑膜炎,骨髓炎和关节损伤的作用。临床表现的频谱被描述,从外周关节少关节炎与指趾炎轴性脊柱炎和致残性关节炎。诊断方法侧重于病史(牛皮癣、指甲变化、关节炎类型)和检查(鼻炎、指突炎),并辅以影像学检查,特别是用于亚临床疾病早期检测的肌肉骨骼超声检查。我们总结了治疗策略,包括非甾体抗炎药,传统的疾病改善抗风湿药物和生物制剂,并针对相关情况提出了量身定制的方法。
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引用次数: 0
Chronic widespread pain and the fibromyalgia syndrome 慢性广泛性疼痛和纤维肌痛综合征
Pub Date : 2025-12-01 DOI: 10.1016/j.mpmed.2025.09.006
Anisur Rahman
Chronic pain syndromes are characterized by pain that is present every day and not explained by any specific physical injury or disease. The pain is related to central sensitization of the central nervous system pain mechanisms such that pain is amplified. ‘Chronic widespread pain’ (CWP) means that the pain is present on both sides of the body, both above and below the waist and in the spinal region. Fibromyalgia is a subgroup of CWP in which, as well as pain, patients suffer from typical symptoms including fatigue, unrefreshing sleep and ‘fibro-fog’. It is estimated that 11% of the population suffer from CWP and 2–6% have fibromyalgia. CWP and fibromyalgia are clinical diagnoses based primarily on the history. Investigations are useful only to exclude other diagnoses or look at specific areas where the pain is out of proportion to the rest of the body. There is no cure for CWP or fibromyalgia, and treatments are designed to improve quality of life rather than remove the symptoms. Patient education and encouragement of exercise are key. There is only weak evidence for any medications. However, amitriptyline, tramadol and duloxetine are useful in some patients.
慢性疼痛综合征的特点是每天都有疼痛,不能用任何特定的身体损伤或疾病来解释。疼痛与中枢神经系统疼痛机制的中枢敏感化有关,因此疼痛被放大。“慢性广泛性疼痛”(CWP)是指疼痛出现在身体两侧,腰部上下和脊柱区域。纤维肌痛是CWP的一个亚组,除疼痛外,患者还会出现典型症状,包括疲劳、睡眠不清新和“纤维雾”。据估计,11%的人患有CWP, 2-6%的人患有纤维肌痛。CWP和纤维肌痛的临床诊断主要基于病史。检查只有在排除其他诊断或检查疼痛与身体其他部位不成比例的特定部位时才有用。CWP或纤维肌痛无法治愈,治疗的目的是提高生活质量,而不是消除症状。耐心的教育和鼓励锻炼是关键。任何药物治疗的证据都很薄弱。然而,阿米替林、曲马多和度洛西汀对某些患者有用。
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引用次数: 0
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Medicine (Abingdon, England : UK ed.)
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