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Longitudinal multi-trajectory phenotypes of severe eosinophilic asthma on type 2 biologics treatment 重度嗜酸性粒细胞性哮喘接受 2 型生物制剂治疗的纵向多轨迹表型
IF 3.9 2区 医学 Q2 ALLERGY Pub Date : 2024-11-21 DOI: 10.1016/j.waojou.2024.101000
Duong Duc Pham, MD, PhD , Ji-Hyang Lee, MD, PhD , Hyouk-Soo Kwon, MD, PhD , Woo-Jung Song, MD, PhD , You Sook Cho, MD, PhD , Hyunkyoung Kim, MSc , Jae-Woo Kwon, MD, PhD , So-Young Park, MD, PhD , Sujeong Kim, MD, PhD , Gyu Young Hur, MD, PhD , Byung Keun Kim, MD, PhD , Young-Hee Nam, MD, PhD , Min-Suk Yang, MD, PhD , Mi-Yeong Kim, MD, PhD , Sae-Hoon Kim, MD, PhD , Byung-Jae Lee, MD, PhD , Taehoon Lee, MD, PhD , So Young Park, MD, PhD , Min-Hye Kim, MD, PhD , Young-Joo Cho, MD, PhD , Tae-Bum Kim, MD, PhD

Background

Limited understanding exists regarding the progression trajectory of severe eosinophilic asthma (SEA) patients on type 2 biologics therapies.

Objective

We aim to explore distinct longitudinal phenotypes of these patients based on crucial asthma biomarkers.

Methods

We enrolled 101 adult patients with SEA. Of these, 51 were treated with anti-IL5/IL5Rα or anti-IL5/IL5RαR antibody, and 50 with anti-IL-4Rα antibody. Multi-trajectory analysis, an extension of univariate group-based trajectory modeling, was used to categorize patients based on their trajectories of forced expiratory volume in 1 s (FEV1), blood eosinophil counts (BEC), and fractional exhaled nitric oxide (FeNO) levels at baseline, and after 1, 6, and 12 months of treatment. Associations between trajectory-based clusters and clinical parameters were examined.

Results

Among anti-IL5/IL5Rα antibody-treated patients, 2 clusters were identified. The cluster characterized by higher baseline BEC and lower FEV1 showed a better response, with improvements in FEV1 and reductions in BEC over time. Among anti-IL-4Rα antibody-treated, 3 clusters were identified. Clusters with moderate BEC and FeNO at baseline demonstrated better improvements in FEV1 and reductions in FeNO, despite increased BEC during follow-up. Conversely, individuals with extremely low FeNO and high BEC at baseline were more likely to experience poorer progression, demonstrating an increase in FeNO and a reduction in FEV1.

Conclusion

To optimally monitor treatment response in SEA patients on type 2 biologics, integrating longitudinal biomarker features is essential.
背景我们对严重嗜酸性粒细胞性哮喘(SEA)患者接受 2 型生物制剂治疗的进展轨迹了解有限。其中 51 人接受了抗 IL5/IL5Rα 或抗 IL5/IL5RαR 抗体治疗,50 人接受了抗 IL-4Rα 抗体治疗。多轨迹分析是基于单变量组的轨迹建模的扩展,它根据患者在基线、治疗 1 个月、6 个月和 12 个月后的 1 s 强迫呼气容积 (FEV1)、血液嗜酸性粒细胞计数 (BEC) 和部分呼出一氧化氮 (FeNO) 水平的轨迹对患者进行分类。结果在接受抗IL5/IL5Rα抗体治疗的患者中,发现了两个集群。基线BEC较高和FEV1较低的群组反应较好,随着时间的推移,FEV1有所改善,BEC有所下降。在接受抗IL-4Rα抗体治疗的患者中,发现了3个群组。基线BEC和FeNO适中的群组显示出较好的FEV1改善和FeNO降低效果,尽管随访期间BEC有所增加。相反,基线时 FeNO 极低而 BEC 高的个体更有可能出现较差的进展,表现为 FeNO 增加和 FEV1 降低。
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引用次数: 0
Evaluating clinical importance of sensitization to Ara h 6 quantitively in Japanese children 定量评估日本儿童对 Ara h 6 过敏的临床重要性
IF 3.9 2区 医学 Q2 ALLERGY Pub Date : 2024-11-20 DOI: 10.1016/j.waojou.2024.101001
Sakura Sato MD , Noriyuki Yanagida MD, PhD , Ken-ichi Nagakura MD, PhD , Kyohei Takahashi MD, PhD, MPH , Magnus P. Borres MD, PhD , Motohiro Ebisawa MD, PhD

Background

The clinical importance of sensitization to Arachis hypogaea 6 (Ara h 6) in Japanese children remains unelucidated. We aimed to quantitatively evaluate the clinical importance of sensitization to Ara h 6 in managing peanut allergy in Japanese children.

Methods

We retrospectively analyzed the data of children with or without symptoms induced by an oral food challenge or home dosing of up to 3 g of peanuts. The specific immunoglobulin E (sIgE) levels against peanuts, Ara h 2, and Ara h 6 were quantified using an ImmunoCAP assay.

Results

We examined 273 patients aged 4.6–9.8 years (median 6.3); 189 (69%) were male, 187 (68%) had allergies to peanuts, and 43 (16%) had anaphylactic reactions to peanuts. Ara h 6 and Ara h 2 co-sensitization was observed in 224 patients (82%). Ara h 6-sIgE levels were significantly associated with the probability of allergic reactions and anaphylaxis. The 95% probability of allergic reactions to peanuts was obtained at 44.5 kUA/L of Ara h 6-sIgE, but the 95% probability of anaphylaxis could not be calculated. A combination of Ara h 6 and Ara h 2 could not improve diagnostic accuracy for allergic reactions and anaphylaxis to peanuts.

Conclusion

Sensitization to Ara h 6 played an important role in managing peanut allergy in Japanese children, and sIgE levels provided valuable predictive information for allergic reactions to peanuts. However, the measurement of Ara h 6 did not improve the diagnostic accuracy of anaphylaxis, and Ara h 2 alone might be sufficient for clinical evaluation in peanut allergy.
背景日本儿童对Arachis hypogaea 6(Ara h 6)过敏的临床重要性仍未得到阐明。方法我们回顾性分析了通过口服食物挑战或在家中摄入多达 3 克花生而诱发或未诱发症状的儿童的数据。结果我们对 273 名年龄在 4.6-9.8 岁(中位 6.3 岁)的患者进行了检查,其中 189 名(69%)为男性,187 名(68%)对花生过敏,43 名(16%)对花生有过敏反应。224 名患者(82%)出现了 Ara h 6 和 Ara h 2 共敏现象。Ara h 6-sIgE 水平与过敏反应和过敏性休克的概率显著相关。当 Ara h 6-sIgE 为 44.5 kUA/L 时,发生花生过敏反应的概率为 95%,但过敏性休克的 95% 概率无法计算。Ara h 6 和 Ara h 2 的组合不能提高对花生过敏反应和过敏性休克的诊断准确性。然而,Ara h 6 的测量并不能提高过敏性休克的诊断准确性,仅用 Ara h 2 可能就足以对花生过敏进行临床评估。
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引用次数: 0
A global survey addressing sustainability of pollen monitoring 针对花粉监测可持续性的全球调查
IF 3.9 2区 医学 Q2 ALLERGY Pub Date : 2024-11-19 DOI: 10.1016/j.waojou.2024.100997
Divya Dwarakanath BSc, MPhil , Andelija Milic BSc, PhD , Paul J. Beggs BSc, PhD , Darren Wraith BCom, GradDipHE, BMath, PhD , Janet M. Davies BSc, PhD

Background

Contemporary airborne pollen records underpin environmental health warnings, yet how pollen monitoring networks are sustained is poorly understood. This study investigated by whom and how pollen monitoring sites across the globe are managed and funded.

Methods

Coordinators listed in the Worldwide Map of Pollen Monitoring Stations were invited to complete a digital questionnaire designed to survey the people and organisations involved, types, and duration of funding sources, as well as uses, purpose, and sharing of pollen information. Quantitative data were analysed by descriptive statistics and open text responses were examined by qualitative thematic analysis.

Results

Eighty-four of 241 (35%) coordinators from 37 countries responded. Universities (42%) and hospitals/health services (29%) were most commonly responsible for monitoring. Most sites involved employees (87%) in pollen monitoring, of whom many were part-time (41%) or casual (11%), as well as students (29%) and volunteers (6%). Pollen monitoring was additional to core duties for over one-third of sites (35%), and 25% reported pollen monitoring was an in-kind contribution. Whilst funding for pollen monitoring was often sourced from government agencies (33%), government research grants (24%), or non-government grants (8%), 92% reported more than 1 funding source, and 99% reported dependence on “partnerships or grants requiring co-contributions”, indicating a complex resourcing structure, of short duration (median 3 years). Common reasons why airborne pollen was monitored included clinical allergy, population environmental health, aerobiology and forecasting. Climate change, research, and social duty were also referenced.

Conclusions

Aerobiological monitoring is currently sustained by complex, insecure, and insufficient resourcing, as well as reliance on volunteerism. There are multiple direct, health-related, and other important uses of aerobiology data, that are aligned to multiple dimensions of sustainability. Evidence from this study can be used to inform the design of strategies to sustain the generation of aerobiology data.
背景当代空气中的花粉记录是环境健康警告的基础,但人们对花粉监测网络是如何维持的却知之甚少。本研究调查了全球各地的花粉监测站由谁管理和资助,以及如何管理和资助。方法邀请全球花粉监测站地图中列出的协调人填写一份数字问卷,旨在调查参与人员和组织、资金来源的类型和持续时间,以及花粉信息的用途、目的和共享情况。通过描述性统计对定量数据进行了分析,并通过定性专题分析对开放文本回复进行了研究。最常负责监测的是大学(42%)和医院/卫生服务机构(29%)。大多数监测点都有员工(87%)参与花粉监测,其中许多人是兼职(41%)或临时工(11%),还有学生(29%)和志愿者(6%)。超过三分之一的研究机构(35%)将花粉监测作为核心职责之外的额外工作,25%的研究机构将花粉监测作为实物贡献。虽然花粉监测的资金通常来自政府机构(33%)、政府研究基金(24%)或非政府基金(8%),但 92% 的机构报告了不止一个资金来源,99% 的机构报告了对 "需要共同贡献的合作伙伴关系或基金 "的依赖,这表明资金来源结构复杂且持续时间较短(中位数为 3 年)。监测空气传播花粉的常见原因包括临床过敏、人群环境健康、空气生物学和预测。结论目前,空气生物学监测工作由复杂、不安全和不足的资源以及对志愿服务的依赖来维持。空气生物学数据有多种直接的、与健康相关的和其他重要用途,这些用途与可持续性的多个方面相一致。本研究提供的证据可为设计可持续生成空气生物学数据的战略提供参考。
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引用次数: 0
A systematic review of guidelines for the management of atopic dermatitis in children 儿童特应性皮炎管理指南系统回顾
IF 3.9 2区 医学 Q2 ALLERGY Pub Date : 2024-11-14 DOI: 10.1016/j.waojou.2024.100989
Maya Deva MBBS , Merryn J. Netting PhD , Jemma Weidinger MN, NP , Roland Brand FACD , Richard KS. Loh FRACP , Sandra L. Vale PhD
Atopic dermatitis (AD) is a chronic disease that is increasing in prevalence, particularly in children and people with skin of colour. Current management involves topical treatments, phototherapy and immunosuppressants, as well as newer therapies like dupilumab. Health professionals should also be aware of the specific management considerations for AD in people with skin of colour. This systematic review was conducted to examine global guidelines for the management of AD in children, compare management recommendations, examine specific recommendations for children with skin of colour, and assess the quality of the guidelines.
The databases Medline, Embase, CINAHL, Scopus, Guidelines International Network, and Emcare Nursing and Allied Health were searched to identify guidelines or articles relating to the management of AD in children from 1990 to 2023. A grey literature search was also undertaken. The recommendations from the guidelines were extracted and compared, and the quality of the guidelines was assessed using the Appraisal Guidelines for Research and Evaluation (AGREE) II tool.
A total of 1644 articles were identified from the initial search. Title and abstract screening, full text screening, and reference checking yielded 28 guidelines for the final appraisal and data extraction. The main variations in management recommendations were the timing of emollients, bleach baths, bath additives, oral antihistamines, and the age cut-offs for topical calcineurin inhibitors. Many guidelines were not updated to reflect newer therapies like dupilumab and topical phosphodiesterase-4 (PDE4) inhibitors. There were minimal recommendations regarding management of skin of colour. Only 12/28 guidelines met the satisfactory cut-off score for the AGREE II appraisal, largely due to a lack of well-documented methodology.
This review showed that the recommendations for AD management in skin of colour were consistently lacking. Despite generally consistent management strategies over the last 5 years, less than half of the guidelines met high-quality criteria, emphasising the importance of using tools like AGREE II in future guideline development.
特应性皮炎(AD)是一种慢性疾病,发病率越来越高,尤其是在儿童和有色人种中。目前的治疗方法包括局部治疗、光疗、免疫抑制剂以及杜比单抗等新疗法。医疗专业人员还应了解有色人种 AD 的特殊管理注意事项。本系统性综述旨在研究全球儿童注意力缺失症管理指南,比较管理建议,研究针对有色人种儿童的具体建议,并评估指南的质量。我们检索了Medline、Embase、CINAHL、Scopus、Guidelines International Network和Emcare Nursing and Allied Health等数据库,以确定1990年至2023年与儿童注意力缺失症管理相关的指南或文章。此外还进行了灰色文献检索。对指南中的建议进行了提取和比较,并使用研究与评价评估指南(AGREE)II工具对指南的质量进行了评估。通过标题和摘要筛选、全文筛选以及参考文献核对,最终对 28 篇指南进行了评估和数据提取。管理建议的主要差异在于使用润肤剂、漂白浴、沐浴添加剂、口服抗组胺药的时机,以及使用局部降钙素抑制剂的年龄界限。许多指南没有更新以反映新的疗法,如杜匹单抗和外用磷酸二酯酶-4(PDE4)抑制剂。有关有色皮肤管理的建议极少。只有 12/28 份指南达到了 AGREE II 评估的满意临界值,这主要是由于缺乏有据可查的方法。尽管过去 5 年中的管理策略基本一致,但只有不到一半的指南符合高质量标准,这强调了在未来指南制定过程中使用 AGREE II 等工具的重要性。
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引用次数: 0
Predicting allergen immunotherapy efficacy based on early maintenance phase response in routine clinical practice 根据常规临床实践中早期维持阶段的反应预测过敏原免疫疗法的疗效
IF 3.9 2区 医学 Q2 ALLERGY Pub Date : 2024-11-14 DOI: 10.1016/j.waojou.2024.100986
Rundong Qin MD , Wanyi Fu Ph.D , Renbin Huang MD , Mo Xian MD, Yubiao Guo MD, Li He MD, Xu Shi MD, Jing Li MD

Background

While allergen-specific immunotherapy (AIT) is acknowledged as an effective treatment, its efficacy varies, and consensus on predictive indicators for AIT responders remains elusive.

Objective

This study aimed to identify alternative parameters for predicting AIT responders based on clinical data collected in daily practice.

Method

We conducted a retrospective analysis of patients with house-dust-mite-driven asthma and/or rhinitis who completed 3 years of subcutaneous AIT (3y-AIT). We assessed the efficacy of AIT using the estimated daily symptom and medication score (edSMS) during different treatment periods, including up-dosing, maintenance I, II, and III phases. These scores were derived from detailed records of symptoms and medication use for AIT injections. A responder was defined as an individual with a reduction in edSMS of at least 30% from up-dosing to maintenance III phase (ΔedSMSU-M3).

Results

A cohort of 133 patients was analyzed, revealing a significant overall improvement in the disease condition after 3y-AIT. Responders demonstrated lower rates of polysensitization, daily tobacco smoke exposure, and milder pretreatment disease severity compared to non-responders (p = 0.003, p = 0.001, and p = 0.019, respectively). We observed 8 clinical response patterns among included subjects, but only a small group of patients (16/133, 12.03%) demonstrated consistent improvement throughout the 3y-AIT. Serum total immunoglobulin E (tIgE), specific immunoglobulin E (sIgE), sIgE/tIgE ratios, and edSMS during the up-dosing phase failed to differentiate the clinical response patterns or correlate with 3y-AIT efficacy. Notably, the reduction in edSMS from up-dosing phase to maintenance I phase (ΔedSMSU-M1) significantly associated with the 3y-AIT outcome (r = 0.443, p < 0.001). Receiver-operating characteristic curves indicated that ΔedSMSU-M1, with a cut-off of 18.40%, effectively predicted responders (AUC: 0.75, sensitivity: 76.20%, specificity: 76.70%).

Conclusion

The individualized clinical responses to AIT may pose challenges in identifying predictors for treatment efficacy. Nonetheless, despite this complexity, our study highlights that the effectiveness observed in the early maintenance phase serves as a suitable predictor of 3y-AIT outcomes.
背景虽然过敏原特异性免疫疗法(AIT)被公认为是一种有效的治疗方法,但其疗效却参差不齐,而且对 AIT 反应者的预测指标仍未达成共识。方法我们对完成了 3 年皮下 AIT(3y-AIT)治疗的由屋尘螨引起的哮喘和/或鼻炎患者进行了回顾性分析。在不同的治疗阶段,包括加量、维持 I、II 和 III 阶段,我们使用每日症状和用药估计评分(edSMS)来评估 AIT 的疗效。这些评分来自 AIT 注射时的症状和用药详细记录。结果对 133 例患者进行了分析,结果显示,经过 3 年的 AIT 治疗后,患者的总体病情得到了显著改善。与非应答者相比,应答者的多敏化率、每日烟草烟雾暴露率和治疗前疾病严重程度较轻(分别为 p = 0.003、p = 0.001 和 p = 0.019)。在纳入的受试者中,我们观察到 8 种临床反应模式,但只有一小部分患者(16/133,12.03%)在 3 年的 AIT 中表现出持续的改善。血清总免疫球蛋白 E (tIgE)、特异性免疫球蛋白 E (sIgE)、sIgE/tIgE 比率和加药阶段的 edSMS 未能区分临床反应模式或与 3 年的 AIT 疗效相关。值得注意的是,从加量给药阶段到维持 I 阶段,edSMS 的降低(ΔedSMSU-M1)与 3y-AIT 的结果显著相关(r = 0.443,p < 0.001)。接收者工作特征曲线显示,ΔedSMSU-M1 的临界值为 18.40%,可有效预测应答者(AUC:0.75,灵敏度:76.20%,特异性:76.70%)。尽管如此,尽管存在这种复杂性,我们的研究强调,在早期维持阶段观察到的疗效是预测 AIT 3 年疗效的合适指标。
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引用次数: 0
Unmet needs in the management of hereditary angioedema from the perspective of Brazilian patients 从巴西患者的角度看遗传性血管性水肿治疗中尚未满足的需求
IF 3.9 2区 医学 Q2 ALLERGY Pub Date : 2024-11-01 DOI: 10.1016/j.waojou.2024.100992
Pedro Giavina-Bianchi MD, PhD , Mara Giavina-Bianchi MD, PhD , Raquel de Oliveira Martins , Maria Cristina Fortunato PharmD , Ana Claudia Guersoni MD, PhD
<div><h3>Introduction</h3><div>Hereditary angioedema (HAE) is a rare genetic disease characterized by recurrent, potentially life-threatening angioedema episodes. Despite its severity, including the risk of asphyxiation, HAE often remains underdiagnosed. The disease significantly impacts patient quality of life (QoL), leading to anxiety, depression, and avoidance behaviors due to the unpredictable nature of attacks. Understanding the perspectives of patients is crucial for identifying unmet needs in managing this complex condition.</div></div><div><h3>Objective</h3><div>This study aimed to gather real-world insights from Brazilian patients with C1 inhibitor deficiency HAE to identify their unmet needs and assess their perceptions of the effectiveness of current care in preventing and treating HAE attacks.</div></div><div><h3>Methods</h3><div>A cross-sectional study utilized a SurveyMonkey questionnaire distributed to HAE patients through ABRANGHE via email. Participants provided informed consent, and their responses were anonymous. The questionnaire, developed with input from experts and patients, covered aspects of HAE diagnosis, treatment experiences, and QoL assessments.</div></div><div><h3>Results</h3><div>The survey included 178 HAE patients, predominantly female (81%), aged 30–50 years (58%), and college-educated (62%). The most common HAE defect was C1–INH deficiency (53%), followed by HAE-nC1INH (23%), with nearly a quarter unaware of their specific defect. Diagnosis delays were prevalent, with a significant number reporting 13–50 attacks annually (33%) and 15% experiencing more than 50 attacks per year. Laryngeal involvement was reported by 26% of respondents. Most patients (69%) attended regular follow-ups, with 72% on prophylactic treatment and 67% managing acute attacks. The most used acute treatment was Icatibant (49%), followed by pdC1INH (24%). However, confusion regarding medication use persisted, with 45% incorrectly believing that oral medications could effectively treat attacks. Key unmet needs identified included improved access to emergency rooms during attacks (73%), better availability of prophylactic treatment (69%), and enhanced access to specialized care (63%). Patients also emphasized the need for psychological support, increased awareness of HAE, and educational initiatives for patients and healthcare providers.</div></div><div><h3>Discussion</h3><div>This study highlighted significant challenges in HAE management among Brazilian patients, particularly concerning delayed diagnosis, misconceptions about treatment, and inadequate access to specialized care and prophylactic treatments. The high frequency of emergency room visits underscores the difficulties in managing the disease. The substantial burden of HAE on QoL emphasizes the urgent need for improved physician education, streamlined diagnostic processes, and equitable access to effective medications and specialized care facilities<strong>.</strong> Addressing these
导言遗传性血管性水肿(HAE)是一种罕见的遗传性疾病,其特征是反复发作、可能危及生命的血管性水肿。尽管HAE病情严重,有窒息的危险,但往往诊断不足。这种疾病严重影响患者的生活质量(QoL),由于发作的不可预测性,导致焦虑、抑郁和逃避行为。本研究旨在收集巴西 C1 抑制剂缺乏型 HAE 患者的真实想法,以确定他们未得到满足的需求,并评估他们对目前预防和治疗 HAE 发作的护理效果的看法。方法横断面研究采用 SurveyMonkey 问卷调查法,通过 ABRANGHE 以电子邮件的形式向 HAE 患者发放问卷。参与者在知情的情况下表示同意,他们的回答是匿名的。调查问卷由专家和患者共同参与制定,内容包括 HAE 诊断、治疗经验和 QoL 评估。最常见的 HAE 缺陷是 C1-INH 缺乏(53%),其次是 HAE-nC1INH(23%),近四分之一的患者不知道自己的具体缺陷。诊断延迟的情况很普遍,有相当多的患者报告每年发作 13-50 次(33%),15% 的患者每年发作 50 次以上。26%的受访者称喉部受累。大多数患者(69%)接受定期随访,72%接受预防性治疗,67%接受急性发作治疗。使用最多的急性治疗药物是伊卡替班(49%),其次是 pdC1INH(24%)。然而,在药物使用方面仍然存在困惑,45%的人错误地认为口服药物可以有效治疗疾病发作。未满足的主要需求包括:改善发作时急诊室的就诊条件(73%)、更好地提供预防性治疗(69%)和更多地获得专业护理(63%)。患者还强调需要心理支持、提高对 HAE 的认识,以及对患者和医疗服务提供者开展教育活动。 讨论这项研究强调了巴西患者在 HAE 管理方面面临的重大挑战,尤其是在延迟诊断、对治疗的误解以及无法获得足够的专业护理和预防性治疗等方面。急诊室就诊的频率很高,这凸显了疾病管理的困难。HAE 对 QoL 造成的巨大负担凸显了改善医生教育、简化诊断流程以及公平获得有效药物和专业护理设施的迫切需要。弥补这些不足对于更好地支持 HAE 患者、提高诊断及时性、增强治疗效果以及最终提高 HAE 患者的整体生活质量至关重要。
{"title":"Unmet needs in the management of hereditary angioedema from the perspective of Brazilian patients","authors":"Pedro Giavina-Bianchi MD, PhD ,&nbsp;Mara Giavina-Bianchi MD, PhD ,&nbsp;Raquel de Oliveira Martins ,&nbsp;Maria Cristina Fortunato PharmD ,&nbsp;Ana Claudia Guersoni MD, PhD","doi":"10.1016/j.waojou.2024.100992","DOIUrl":"10.1016/j.waojou.2024.100992","url":null,"abstract":"&lt;div&gt;&lt;h3&gt;Introduction&lt;/h3&gt;&lt;div&gt;Hereditary angioedema (HAE) is a rare genetic disease characterized by recurrent, potentially life-threatening angioedema episodes. Despite its severity, including the risk of asphyxiation, HAE often remains underdiagnosed. The disease significantly impacts patient quality of life (QoL), leading to anxiety, depression, and avoidance behaviors due to the unpredictable nature of attacks. Understanding the perspectives of patients is crucial for identifying unmet needs in managing this complex condition.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Objective&lt;/h3&gt;&lt;div&gt;This study aimed to gather real-world insights from Brazilian patients with C1 inhibitor deficiency HAE to identify their unmet needs and assess their perceptions of the effectiveness of current care in preventing and treating HAE attacks.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Methods&lt;/h3&gt;&lt;div&gt;A cross-sectional study utilized a SurveyMonkey questionnaire distributed to HAE patients through ABRANGHE via email. Participants provided informed consent, and their responses were anonymous. The questionnaire, developed with input from experts and patients, covered aspects of HAE diagnosis, treatment experiences, and QoL assessments.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Results&lt;/h3&gt;&lt;div&gt;The survey included 178 HAE patients, predominantly female (81%), aged 30–50 years (58%), and college-educated (62%). The most common HAE defect was C1–INH deficiency (53%), followed by HAE-nC1INH (23%), with nearly a quarter unaware of their specific defect. Diagnosis delays were prevalent, with a significant number reporting 13–50 attacks annually (33%) and 15% experiencing more than 50 attacks per year. Laryngeal involvement was reported by 26% of respondents. Most patients (69%) attended regular follow-ups, with 72% on prophylactic treatment and 67% managing acute attacks. The most used acute treatment was Icatibant (49%), followed by pdC1INH (24%). However, confusion regarding medication use persisted, with 45% incorrectly believing that oral medications could effectively treat attacks. Key unmet needs identified included improved access to emergency rooms during attacks (73%), better availability of prophylactic treatment (69%), and enhanced access to specialized care (63%). Patients also emphasized the need for psychological support, increased awareness of HAE, and educational initiatives for patients and healthcare providers.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Discussion&lt;/h3&gt;&lt;div&gt;This study highlighted significant challenges in HAE management among Brazilian patients, particularly concerning delayed diagnosis, misconceptions about treatment, and inadequate access to specialized care and prophylactic treatments. The high frequency of emergency room visits underscores the difficulties in managing the disease. The substantial burden of HAE on QoL emphasizes the urgent need for improved physician education, streamlined diagnostic processes, and equitable access to effective medications and specialized care facilities&lt;strong&gt;.&lt;/strong&gt; Addressing these","PeriodicalId":54295,"journal":{"name":"World Allergy Organization Journal","volume":"17 11","pages":"Article 100992"},"PeriodicalIF":3.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Incidence and trends of anaphylaxis among inpatients from 2003 to 2023 in Wuhan, China: A multicenter retrospective study 2003-2023年中国武汉市住院患者过敏性休克的发病率及趋势:多中心回顾性研究
IF 3.9 2区 医学 Q2 ALLERGY Pub Date : 2024-11-01 DOI: 10.1016/j.waojou.2024.100980
Le Li MD , Nan Huang MD , Wenjing Li MD , Yaqi Yang MD , Dongxia Ma MD , Hao Chen MD, PhD , Rongfei Zhu MD, PhD

Background

The incidence of a disease can help health professionals to identify risk factors and health-care policymakers to develop corresponding policies. The realization of both purposes depends on comprehensive studies, especially studies done on a large scale. However, comprehensive studies on the incidence of anaphylaxis among inpatients in China are still notably scarce. Hence we aim to explore the incidence and clinical characteristics of anaphylaxis among inpatients over a span of 21 years in Wuhan, China.

Methods

We retrieved data on anaphylaxis cases from the Data Platform Application Portal (DPAP) across 3 medical centers of Tongji Hospital, Wuhan, China from January 1, 2003, to December 31, 2023.

Results

The data encompassed a total of 362 anaphylaxis patients from 2,139,272 inpatients. Among them 204 (56.4%) were male, and the median age was 45 years old. Over the past 2 decades, the incidence rate of anaphylaxis at Tongji Hospital was 16.92 per 100,000 individuals. After adjusting for gender and age, the annual standardized incidence rate was 234.53 per 100,000 individuals. The incidence rate of anaphylaxis among the inpatients revealed a relatively stable but slowly rising trend over the 21-year observation period. As for the triggers of anaphylaxis, drugs were responsible for 73.6% of triggers, with antibiotics representing the highest proportion of these cases (38.4%). Drug triggers also showed age-specific features: chemotherapy (17.9%) had the highest proportions among children aged 0–3 years; blood products were more prevalent in school-age children. 13.5% of the cases had an unknown cause. In anaphylaxis cases, despite that only 36.0% received epinephrine treatment, the application of epinephrine still showed an ascending trend. Moreover, the mortality rate for anaphylaxis was relatively low (1.6%), displaying a consistent downward trend.

Conclusion

Our study provides insights into the incidence of anaphylaxis among inpatients in Wuhan over a 21-year period. Drugs are the most common triggers for anaphylaxis, and the use of epinephrine in anaphylaxis management is far from optimal.
背景一种疾病的发病率可以帮助卫生专业人员确定风险因素,也可以帮助卫生保健政策制定者制定相应的政策。这两个目的的实现都有赖于全面的研究,尤其是大规模的研究。然而,关于中国住院病人过敏性休克发病率的全面研究仍明显不足。方法我们从武汉同济医院的数据平台应用门户(DPAP)中检索了2003年1月1日至2023年12月31日期间武汉同济医院3个医疗中心的过敏性休克病例数据。其中男性 204 人(56.4%),年龄中位数为 45 岁。在过去 20 年中,同济医院过敏性休克的发病率为每 10 万人 16.92 例。调整性别和年龄后,年标准化发病率为每 10 万人 234.53 例。在 21 年的观察期内,住院患者的过敏性休克发病率呈相对稳定但缓慢上升的趋势。至于过敏性休克的诱发因素,73.6%的诱发因素是药物,其中抗生素所占比例最高(38.4%)。药物诱因还呈现出年龄特征:化疗(17.9%)在 0-3 岁儿童中比例最高;血液制品在学龄儿童中更为普遍。13.5%的病例病因不明。在过敏性休克病例中,尽管只有 36.0% 接受了肾上腺素治疗,但肾上腺素的使用率仍呈上升趋势。此外,过敏性休克的死亡率相对较低(1.6%),呈持续下降趋势。药物是过敏性休克最常见的诱因,而肾上腺素在过敏性休克治疗中的使用远未达到最佳状态。
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引用次数: 0
Evaluating serum periostin and YKL-40 as biomarkers for airway remodeling and hyperresponsiveness in pediatric asthma 将血清骨膜素和 YKL-40 作为小儿哮喘气道重塑和高反应性的生物标记物进行评估
IF 3.9 2区 医学 Q2 ALLERGY Pub Date : 2024-11-01 DOI: 10.1016/j.waojou.2024.100991
Su Ji Kim MD , Youn Joo Choi MD , Man Yong Han MD, PhD , Il Tae Hwang MD, PhD , Hey-Sung Baek MD, PhD

Background

Periostin and human chitinase-3-like protein 1 (YKL-40) have been suggested to be involved in the development of airway fibrosis and remodeling. This study aimed to investigate the relationship between serum periostin levels and airway hyperresponsiveness (AHR) and between serum YKL-40 levels and AHR in children with asthma, comparing periostin as a marker for Th2 inflammation and atopy with YKL-40.

Methods

The study involved children aged 6–15 years, comprising 75 with asthma and 29 healthy controls. We measured serum periostin and YKL-40 levels and performed exercise bronchial provocation tests, methacholine challenge tests, spirometry, and FeNO measurements.

Results

Compared to the healthy controls, asthmatic children exhibited significantly elevated levels of periostin (86.7 [71.0–104.0] vs 68.3 [56.0–82.0] ng/mL; P = 0.006) and YKL-40 (29.0 [15.0–39.5] vs 27.7 [14.0–34.1] ng/mL; P = 0.034). The subgroup analysis revealed that periostin levels were significantly higher in the atopic asthma group than in the healthy controls (P = 0.003), but not in the non-atopic asthma group. YKL-40 levels were elevated in both the atopic and non-atopic asthma groups compared to healthy controls (P = 0.012 and P = 0.001, respectively). Serum periostin levels were significantly correlated with the postexerceise maximum percentage decrease in forced expiratory volume (FEV1), as well as with fractional exhaled nitric oxide (FeNO) and blood eosinophil counts, but showed no significant correlation with overall lung function. Conversely, serum YKL-40 levels were significantly linked to the Z score of FEV1 and AHR to methacholine but not with AHR to exercise or FeNO or blood eosinophil count.

Conclusions

Periostin is linked to atopic asthma and correlates with exercise-induced bronchoconstriction, FeNO, and eosinophil counts, highlighting its role in Th2 inflammation. YKL-40 is a general asthma marker, indicating airway remodeling. These findings suggest that targeting these markers can improve personalized treatment strategies for pediatric asthma.
背景有研究认为,骨膜素和人甲壳素酶-3样蛋白1(YKL-40)参与了气道纤维化和重塑的发展。本研究旨在探讨哮喘患儿血清骨膜素水平与气道高反应性(AHR)之间的关系,以及血清 YKL-40 水平与 AHR 之间的关系,并将骨膜素作为 Th2 炎症和特应性的标志物与 YKL-40 进行比较。我们测量了血清表皮生长因子和 YKL-40 的水平,并进行了运动支气管激发试验、甲基胆碱挑战试验、肺活量测定和 FeNO 测量。结果与健康对照组相比,哮喘患儿的骨膜素(86.7 [71.0-104.0] vs 68.3 [56.0-82.0] ng/mL;P = 0.006)和YKL-40(29.0 [15.0-39.5] vs 27.7 [14.0-34.1] ng/mL;P = 0.034)水平明显升高。亚组分析显示,特应性哮喘组的表皮生长因子水平明显高于健康对照组(P = 0.003),但非特应性哮喘组的表皮生长因子水平并不高。与健康对照组相比,特应性哮喘组和非特应性哮喘组的 YKL-40 水平都有所升高(分别为 P = 0.012 和 P = 0.001)。血清表皮生长因子水平与呼气后用力呼气容积(FEV1)的最大下降百分比、呼出一氧化氮分数(FeNO)和血液中嗜酸性粒细胞计数有显著相关性,但与总体肺功能无显著相关性。相反,血清中的 YKL-40 水平与 FEV1 的 Z 评分和对甲基胆碱的 AHR 显著相关,但与对运动的 AHR 或 FeNO 或血液中的嗜酸性粒细胞计数无关。YKL-40 是一种普通的哮喘标志物,表明气道重塑。这些研究结果表明,以这些标志物为靶标可以改善小儿哮喘的个性化治疗策略。
{"title":"Evaluating serum periostin and YKL-40 as biomarkers for airway remodeling and hyperresponsiveness in pediatric asthma","authors":"Su Ji Kim MD ,&nbsp;Youn Joo Choi MD ,&nbsp;Man Yong Han MD, PhD ,&nbsp;Il Tae Hwang MD, PhD ,&nbsp;Hey-Sung Baek MD, PhD","doi":"10.1016/j.waojou.2024.100991","DOIUrl":"10.1016/j.waojou.2024.100991","url":null,"abstract":"<div><h3>Background</h3><div>Periostin and human chitinase-3-like protein 1 (YKL-40) have been suggested to be involved in the development of airway fibrosis and remodeling. This study aimed to investigate the relationship between serum periostin levels and airway hyperresponsiveness (AHR) and between serum YKL-40 levels and AHR in children with asthma, comparing periostin as a marker for Th2 inflammation and atopy with YKL-40.</div></div><div><h3>Methods</h3><div>The study involved children aged 6–15 years, comprising 75 with asthma and 29 healthy controls. We measured serum periostin and YKL-40 levels and performed exercise bronchial provocation tests, methacholine challenge tests, spirometry, and FeNO measurements.</div></div><div><h3>Results</h3><div>Compared to the healthy controls, asthmatic children exhibited significantly elevated levels of periostin (86.7 [71.0–104.0] vs 68.3 [56.0–82.0] ng/mL; P = 0.006) and YKL-40 (29.0 [15.0–39.5] vs 27.7 [14.0–34.1] ng/mL; P = 0.034). The subgroup analysis revealed that periostin levels were significantly higher in the atopic asthma group than in the healthy controls (P = 0.003), but not in the non-atopic asthma group. YKL-40 levels were elevated in both the atopic and non-atopic asthma groups compared to healthy controls (P = 0.012 and P = 0.001, respectively). Serum periostin levels were significantly correlated with the postexerceise maximum percentage decrease in forced expiratory volume (FEV<sub>1</sub>), as well as with fractional exhaled nitric oxide (FeNO) and blood eosinophil counts, but showed no significant correlation with overall lung function. Conversely, serum YKL-40 levels were significantly linked to the Z score of FEV<sub>1</sub> and AHR to methacholine but not with AHR to exercise or FeNO or blood eosinophil count.</div></div><div><h3>Conclusions</h3><div>Periostin is linked to atopic asthma and correlates with exercise-induced bronchoconstriction, FeNO, and eosinophil counts, highlighting its role in Th2 inflammation. YKL-40 is a general asthma marker, indicating airway remodeling. These findings suggest that targeting these markers can improve personalized treatment strategies for pediatric asthma.</div></div>","PeriodicalId":54295,"journal":{"name":"World Allergy Organization Journal","volume":"17 11","pages":"Article 100991"},"PeriodicalIF":3.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142555670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global change, climate change, and asthma in children: Direct and indirect effects - A WAO Pediatric Asthma Committee Report 全球变化、气候变化与儿童哮喘:直接和间接影响 - 世界哮喘组织儿科哮喘委员会报告
IF 3.9 2区 医学 Q2 ALLERGY Pub Date : 2024-11-01 DOI: 10.1016/j.waojou.2024.100988
Peter N. Le Souëf MD , Yuichi Adachi MD, PhD , Eleni Anastasiou MD , Ignacio J. Ansotegui MD, PhD , Héctor A. Badellino MD, PhD , Tina Banzon MD , Cesar Pozo Beltrán MD , Gennaro D'Amato MD , Zeinab A. El-Sayed MD, PhD , Rene Maximiliano Gómez PhD , Elham Hossny MD, PhD , Ömer Kalayci MD , Mário Morais-Almeida MD, PhD , Antonio Nieto-Garcia MD, PhD , David B. Peden MD, MS , Wanda Phipatanakul MD , Jiu-Yao Wang MD, DPhil , I-Jen Wan MD, PhD , Gary Wong MD , Paraskevi Xepapadaki MD , Nikolaos G. Papadopoulos MD, PhD
The twenty-first century has seen a fundamental shift in disease epidemiology with anthropogenic environmental change emerging as the likely dominant factor affecting the distribution and severity of current and future human disease. This is especially true of allergic diseases and asthma with their intimate relationship with the natural environment. Climate change-related variables including increased ambient temperature, heat waves, extreme weather events, air pollution, and rainfall distribution, all can directly affect asthma in children, but each of these variables also indirectly affects asthma via alterations in pollen production and release, outdoor allergen exposure or the microbiome. Air pollution, with its many and varied respiratory consequences, is likely to have the greatest effect, as it has increased globally due to rapid increases in fossil fuel combustion, global population, crowding, and megacities, as well as forest burning and trees succumbing to an increasingly hostile environment. Human activities have also caused substantial deterioration of the global microbiome with reductions in biodiversity for molds, bacteria, and viruses. Reduced microbiome diversity has, in turn, been associated with increases in Th2 allergic responses and allergic disease. The collective effect of these changes has already shifted allergy and asthma disease patterns. Given that changes in climate have been relatively small to date, the unavoidable, much greater shifts in climate in the future are concerning. Determining the relative scale of the direct versus indirect effects of climate change variables is needed if effective avoidance and adaptive measures are to be implemented. This would also require much more basic, epidemiological, and clinical research to understand the causal mechanisms, the most relevant climate factors involved, the regions most affected and, most importantly, effective and actionable adaptation measures. We suggest that allergy and respiratory health workers should follow current guidance to reduce present risks related to climate change and watch for new recommendations to reduce future risks. Since the respiratory system is the one most affected by climate change, they also need to call for more research in this area and show strong leadership in advocating for urgent action to protect children by reducing or reversing factors that have led to our deteriorating climate.
二十一世纪,疾病流行病学发生了根本性转变,人为环境变化可能成为影响当前和未来人类疾病分布和严重程度的主要因素。与自然环境密切相关的过敏性疾病和哮喘更是如此。与气候变化相关的变量包括环境温度升高、热浪、极端天气事件、空气污染和降雨分布,这些都会直接影响儿童哮喘,但这些变量也会通过改变花粉的产生和释放、户外过敏原接触或微生物组间接影响哮喘。空气污染对呼吸系统的影响多种多样,其中影响最大的可能是空气污染,因为化石燃料燃烧、全球人口、拥挤和特大城市的迅速增加,以及森林燃烧和树木屈服于日益恶劣的环境,导致全球空气污染加剧。人类活动还导致全球微生物群严重恶化,霉菌、细菌和病毒的生物多样性减少。微生物群多样性的减少反过来又与 Th2 过敏反应和过敏性疾病的增加有关。这些变化的集体效应已经改变了过敏和哮喘疾病的模式。鉴于迄今为止气候变化相对较小,未来不可避免的更大气候变化令人担忧。如果要实施有效的避免和适应措施,就必须确定气候变化变量的直接和间接影响的相对规模。这也需要进行更多的基础、流行病学和临床研究,以了解成因机制、最相关的气候因素、受影响最严重的地区,以及最重要的是,有效和可行的适应措施。我们建议,过敏和呼吸系统医务工作者应遵循当前的指导原则,降低与气候变化相关的当前风险,并关注降低未来风险的新建议。由于呼吸系统是受气候变化影响最大的系统,他们还需要呼吁在这一领域开展更多研究,并显示出强大的领导力,倡导采取紧急行动,通过减少或扭转导致气候恶化的因素来保护儿童。
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引用次数: 0
Corrigendum to “Epidemiology of adult patients with atopic dermatitis in AWARE 1: A second international survey” [World Allergy Organ J 16 (3) (2023) 100724] 对 "AWARE 1 中成年特应性皮炎患者的流行病学:第二次国际调查" [World Allergy Organ J 16 (3) (2023) 100724] 的更正
IF 3.9 2区 医学 Q2 ALLERGY Pub Date : 2024-11-01 DOI: 10.1016/j.waojou.2024.100966
Jorge Maspero , Norma De Paula Motta Rubini , Jianzhong Zhang , Gloria Sanclemente , Julio Roberto Amador , Marhira Hamdy El Sayed , Alsan Chan Wai Ming , Roni P. Dodiuk-Gad , Issam Hamadah , Suganthi Thevarajah , Catalina Rincón-Perez , Elena Fedenko , Yik Weng Yew , Mark B.Y. Tang , Chia-Yu Chu , Kanokvalai Kulthanan , Ozlem Su Kucuk , Anwar Al-Hammadi , Lysel Brignoli , Angelina Tsankova , Laurent Eckert
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引用次数: 0
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World Allergy Organization Journal
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