zygomycosis

接合菌病
  • 文章类型: Journal Article
    目的:真菌病,一种严重的真菌感染,分为两类:毛囊菌和口囊菌。在昆虫类类别中,Basidiobolomcosis是一种很少被认可的属,可能对健康产生重大影响。及时诊断和适当治疗,其中包括使用抗真菌药物和外科手术,对提高患者预后至关重要。这项研究的目的是调查由于担子菌病住院的患者对治疗的反应。
    方法:我们进行了一项回顾性研究,其中我们分析了49例诊断为口蹄疫的患者的数据,真菌病,和纳马齐医院的基底菌病,设拉子,在1997年至2019年之间。数据包括人口统计信息等参数,临床症状,影像学发现,治疗方法,和患者结果。
    结果:在49例患者中,24个孩子,以男性为主(83.3%),明确诊断为担子菌病。患者的年龄从1岁到16岁不等,平均为5.75年。最常见的临床表现包括腹痛(70.8%)。发烧(54.2%),便血(41.7%),呕吐(20.8%),和厌食症(16.7%)。一半的患者表现出未能茁壮成长(FTT),而25%的病例存在腹胀,在37%的患者中发现了明显的腹部肿块。主要治疗策略包括手术干预,并辅以全面的抗真菌治疗方案。该方案包括药物如两性霉素B,复方新诺明,伊曲康唑,碘化钾,和伏立康唑.这些药物主要以联合治疗模式或两性霉素B的单一疗法给药。而两名患者因并发症死亡。
    结论:我们的研究结果表明,目前的治疗方式通常包括手术干预,辅以抗真菌治疗方案,包括两性霉素B,复方新诺明,碘化钾,和伊曲康唑.
    OBJECTIVE: Zygomycosis, a severe form of fungal infection, is classified into two categories: Mucorales and Entomophthorales. Within the Entomophthorales category, Basidiobolomycosis is a rarely recognized genus that can have significant health implications. Prompt diagnosis and appropriate treatment, which includes the use of antifungal medication and surgical procedures, are vital for enhancing the prognosis of patients. The objective of this study is to investigate the response to treatment in patients hospitalized due to basidiobolomycosis.
    METHODS: We carried out a retrospective study, in which we analyzed data from 49 patients who were diagnosed with Entomophthorale, Zygomycosis, and Basidiobolomycosis at Namazi Hospital, Shiraz, between the years 1997 and 2019. The data included parameters such as demographic information, clinical symptoms, imaging findings, treatment methods, and patient outcomes.
    RESULTS: Out of 49 patients, 24 children, predominantly male (83.3%), were definitively diagnosed with basidiobolomycosis. The ages of the patients ranged from 1 to 16 years, with an average of 5.75 years. The most frequently observed clinical manifestations included abdominal pain (70.8%), fever (54.2%), hematochezia (41.7%), vomiting (20.8%), and anorexia (16.7%). Half of the patients exhibited failure to thrive (FTT), while abdominal distension was present in 25% of the cases, and a palpable abdominal mass was found in 37% of the patients. The primary treatment strategy incorporated surgical interventions complemented by a comprehensive antifungal regimen. This regimen included medications such as amphotericin B, cotrimoxazole, itraconazole, potassium iodide, and voriconazole. These were mainly administered in a combination therapy pattern or as a monotherapy of amphotericin B. Twenty-two patients were discharged, while two patients died due to complications from the disease.
    CONCLUSIONS: Our findings indicate that the prevailing treatment modalities generally involve surgical intervention supplemented by antifungal regimens, including Amphotericin B, Cotrimoxazole, Potassium Iodide, and Itraconazole.
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  • 文章类型: Case Reports
    胸骨骨髓炎和纵隔炎是心脏手术后罕见但严重的并发症,通常与显著的发病率和死亡率相关。真菌病因,特别是那些由根霉引起的。,不常见,但可能导致侵袭性感染。这里,我们介绍了一例68岁男性,他由根霉引起的胸骨骨髓炎和纵隔炎。冠状动脉旁路移植术后两周。在临床鉴定并通过微生物学检查和CT扫描确认后,进行了清创术和胸肌皮瓣重建。提示识别,积极的手术干预,而靶向抗真菌药物治疗是成功治疗的关键.这个案例强调了考虑真菌病原体的重要性,比如根霉,在心脏手术后感染的鉴别诊断中,以及积极治疗以改善受影响患者的预后。
    Sternal osteomyelitis and mediastinitis are rare yet severe complications post-cardiac surgery, often associated with significant morbidity and mortality. Fungal etiologies, particularly those caused by Rhizopus spp., are infrequent but can lead to aggressive infections. Here, we present the case of a 68-year-old male who developed sternal osteomyelitis and mediastinitis caused by Rhizopus spp. two weeks following coronary artery bypass grafting surgery. Debridement and pectoralis flap reconstruction were performed following clinical identification and confirmation with microbiological examinations and a CT scan. Prompt recognition, aggressive surgical intervention, and targeted antifungal therapy were crucial for successful management. This case underscores the importance of considering fungal pathogens, such as Rhizopus, in the differential diagnosis of post-cardiac surgery infections, as well as aggressive treatment to improve outcomes for affected patients.
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  • 文章类型: Case Reports
    毛霉菌病是一种机会性真菌感染,主要影响免疫功能低下的个体,很少表现为肾毛霉菌病(RM)。对于许多医生来说,诊断可能是具有挑战性的。我们报告了一个罕见的初级病例,单侧RM引发2型糖尿病患者的糖尿病酮症酸中毒。该病例后来并发支气管胸膜瘘和美罗培南耐药克雷伯菌感染。患者最终接受了手术治疗,脂质体两性霉素B,早期诊断和及时治疗这种危及生命的疾病及其并发症对降低死亡率具有重要意义。
    Mucormycosis is an opportunistic fungal infection that primarily affects immunocompromised individuals and rarely presents as renal mucormycosis (RM). Diagnosis can be challenging for many physicians. We report a rare case of primary, unilateral RM which triggered diabetic ketoacidosis in a type 2 diabetic patient. The case was later complicated by a bronchopleural fistula and a meropenem-resistant Klebsiella infection. The patient was ultimately treated with surgical intervention, liposomal amphotericin B, and polymyxine E. Early diagnosis and timely treatment of this life-threatening disease and its complications are significant in reducing mortality.
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  • 文章类型: Journal Article
    在COVID-19大流行期间,COVID-19患者的毛霉菌病病例显着增加,尤其是在印度,但不是唯一的。所呈现的病例突出了毛霉菌病的异质性,强调认识诱发因素的重要性,如免疫抑制,由于合并症或药物。由于非特异性临床表现,诊断毛霉菌病构成了挑战,需要多学科的方法来准确诊断。治疗涉及多管齐下的方法,围绕早期开始抗真菌治疗以及手术干预和基础疾病的管理,重点是控制免疫抑制。了解COVID-19与毛霉菌病易感因素之间的关系是制定预防和治疗策略的基础。
    During the COVID-19 pandemic, a significant increase in cases of mucormycosis was observed in COVID-19 patients, especially in India, but not exclusively. The presented cases highlight the heterogeneous nature of mucormycosis, emphasizing the importance of recognizing predisposing factors, such as immunosuppression, due to comorbidities or medication. Diagnosing mucormycosis poses a challenge due to nonspecific clinical manifestations, requiring a multidisciplinary approach for accurate diagnosis. Treatment involves a multi-pronged approach centered around the early initiation of antifungal therapy alongside surgical intervention and the management of underlying conditions, with an emphasis on controlling immunosuppression. Understanding the relationship between COVID-19 and predisposing factors for mucormycosis is fundamental for developing prevention and treatment strategies.
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  • 文章类型: Journal Article
    在初步免疫学研究中用昆虫代替哺乳动物研究模型,对无脊椎动物防御系统的兴趣越来越大。免疫应答受细胞因子调节;然而,虽然它们在哺乳动物中的作用是众所周知的,人们对它们在昆虫中的作用知之甚少。研究昆虫免疫学的合适目标是海绵状夜蛾(鳞翅目),蜡蛾:人类真菌和细菌病原体的常见宿主。G.mellonella也是研究细胞因子样蛋白存在的理想主题。
    本研究的主要目标是在昆虫免疫活性细胞中检测18种哺乳动物细胞因子(IL-1α,IL-1β,IL-2、IL-3、IL-6、IL-7、IL-8、IL-12、IL-13、IL-15、IL-17、IL-19、IFN-γ、TNF-α,TNF-β,GM-CSF,M-CSF,G-CSF),在免疫反应中起重要作用,并指示真菌感染后其水平如何变化。
    在从感染昆虫病原真菌的G.melonella幼虫的血细胞中检测到细胞因子样蛋白水平的变化,C.死因。使用荧光显微镜(在培养的血细胞中)和流式细胞术(在新鲜收集的血淋巴中)确认细胞因子蛋白的存在。ELISA测试用于检测所检查的细胞因子样蛋白的浓度变化。
    我们的发现表明,在用冠状芽孢杆菌感染期间,海绵状芽孢杆菌血细胞中存在18种细胞因子样分子。取自受感染幼虫的血细胞对六种细胞因子样蛋白(GM-CSF,M-CSF,IL-3,IL-15,IL-1β和IL-19)与未处理的对照相比。ELISA检测显示IL-3和IL-15明显增高。M-CSF,真菌感染后血淋巴中IL-1α和IL-19的浓度,并显著降低TNF-β和G-CSF。
    我们的发现证实了所选择的细胞因子样分子存在于昆虫血细胞中,并且它们的浓度在真菌感染后发生变化,这可能表明它们在抗真菌免疫反应中发挥作用。
    UNASSIGNED: In response to the replace mammal research models with insects in preliminary immunological studies, interest has grown in invertebrate defense systems. The immunological response is regulated by cytokines; however, while their role in mammals is well understood, little is known of their function in insects. A suitable target for studies into insect immunology is Galleria mellonella (Lepidoptera), the wax moth: a common host for human fungal and bacterial pathogens. G. mellonella is also a perfect subject for studies into the presence of cytokine-like proteins.
    UNASSIGNED: The main goal of present research was detection in insect immunocompetent cells the 18 mammalian cytokines (IL-1α, IL-1β, IL-2, IL-3, IL-6, IL-7, IL-8, IL-12, IL-13, IL-15, IL-17, IL-19, IFN-γ, TNF-α, TNF-β, GM-CSF, M-CSF, G-CSF), which play important role in immunological response and indication how their level change after fungal infection.
    UNASSIGNED: The changes of cytokine-like proteins level were detected in hemocytes taken from G. mellonella larvae infected with entomopathogenic fungus, C. coronatus. The presence of cytokine-proteins was confirmed with using fluorescence microscopy (in cultured hemocytes) and flow cytometry (in freshly collected hemolymph). The ELISA test was used to detect changes in concentration of examined cytokine-like proteins.
    UNASSIGNED: Our findings indicated the presence of eighteen cytokine-like molecules in G. mellonella hemocytes during infection with C. coronatus. The hemocytes taken from infected larvae demonstrated higher fluorescence intensity for six cytokine-like proteins (GM-CSF, M-CSF, IL-3, IL-15, IL-1β and IL-19) compared to untreated controls. ELISA test indicated significantly higher IL-3 and IL-15. M-CSF, IL-1α and IL-19 concentration in the hemolymph after fungal infection, and significantly lower TNF-β and G-CSF.
    UNASSIGNED: Our findings confirm that the selected cytokine-like molecules are present in insect hemocytes and that their concentrations change after fungal infection, which might suggest that they play a role in the anti-fungal immunological response.
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  • 文章类型: Case Reports
    毛霉菌病是一种经常致命的真菌感染,最常影响控制不佳的糖尿病或其他免疫抑制状态的患者。我们报告了一名正在进行自然疗法治疗的患者的疑似播散性根霉感染病例,包括转移性肾上腺皮质癌的泥浴。他接受了脂质体两性霉素B的经验性治疗,但在多器官衰竭后选择停止治疗。病人在入院的第十天去世。
    Mucormycosis is a frequently lethal fungal infection that most commonly affects patients with poorly controlled diabetes or other immunosuppressed states. We report the case of a suspected disseminated Rhizopus infection in a patient who was pursuing naturopathic treatment including mud baths for metastatic adrenocortical carcinoma. He was empirically treated with liposomal amphotericin B but opted to stop treatment following multiorgan failure. The patient passed away on the tenth day of his hospital admission.
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  • 文章类型: Case Reports
    控制不佳的糖尿病患者的毛霉菌病手感染表现为快速进行性肿胀,发红,疼痛,和对抗生素无反应的坏死。及时诊断和积极手术,抗真菌药,糖尿病管理至关重要,强调需要早期识别和治疗糖尿病患者的毛霉菌病。
    Mucormycosis hand infection in poorly controlled diabetic presented as rapidly progressive swelling, redness, pain, and necrosis unresponsive to antibiotics. Prompt diagnosis and aggressive surgery, antifungals, and diabetes management were critical, highlighting the need for early recognition and treatment of mucormycosis in diabetics.
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  • 文章类型: Case Reports
    小儿年龄组的腹部肿块与体重减轻有关,可以增加头发,尤其是恶性肿瘤是有区别的.我们介绍了一名青春期早期男性的病例,该男性表现出腹痛,并被发现有模仿恶性肿瘤的肿块。切除的手术标本显示空肠细菌病,他在手术和辅助伊曲康唑后完全康复。在这些病例中,真菌病因的诊断需要高度怀疑和对危险因素的背景知识。疾病发生和呈现方式。如果及时诊断和治疗,胃肠道虫卵真菌病具有令人印象深刻的治愈潜力。
    Abdominal masses clubbed with weight loss in the paediatric age group can raise hairs, especially since malignancy is a differential. We present the case of an early adolescent male who presented with abdominal pain and was found to have a mass mimicking a malignancy. The resected surgical specimen revealed entomophthoromycosis of the jejunum and he made a complete recovery following surgery and adjuvant itraconazole. The diagnosis of a fungal aetiology in these cases requires a high index of suspicion and background knowledge of the risk factors, disease occurrence and mode of presentation. Gastrointestinal entomophthoromycosis has an impressive potential for cure if promptly diagnosed and treated.
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  • 文章类型: Case Reports
    肠真菌病构成了一组皮下真菌病,包括分生孢子菌病(鼻面形式)和基底细菌菌病(涉及躯干和四肢的皮下形式)。分生孢子菌病的特点是进行性鼻和面部畸形,在进化的形式中,“河马鼻子”。文献回顾发现了一百个案例,对潮湿的热带地区有吸引力。方法。我们报道了一名25岁患者的观察结果,生活在赤道地带,在加蓬南部潮湿的森林地区,面部肿胀,主要累及眼睑,鼻子和上唇。
    虫卵真菌病的诊断与组织病理学和临床方面一致。在伊曲康唑300mg/天持续2个月和皮质类固醇治疗下,面部美学方面的发展是有利的(甲基强的松240mg/天持续3天,以0.5mg/kg/天的剂量口服,即30毫克/天)泼尼松),维持3个月。手术无法完成平均鼻部改善,患者失去了随访。
    在同一省的加蓬对分生孢子病的第二次观察使Ngounié成为这种情感的特权生态系统。
    Entomophthoromycosis constitutes a nosological group of subcutaneous mycoses including conidiobolomycosis (rhinofacial form) and basidiobomomycosis (subcutaneous form involving the trunk and the limbs). Conidiobolomycosis is characterized by a progressive nasal and facial deformity giving, in the evolved forms, a \"hippopotamus snout\". The literature review finds a hundred cases, with a tropism for the humid tropical regions. Methods. We report the observation of a 25-year-old patient, living in the equatorial zone, in the south of Gabon in a humid forest area, presenting a swollen aspect of the face mainly involving the eyelids, the nose and the upper lips.
    The diagnosis of entomophthoromycosis was compatible with the histopathological and clinical aspects. The evolution was favorable in terms of facial aesthetics under itraconazole 300 mg/day for 2 months and corticosteroid therapy (bolus of methylprednisone 240 mg/day for 3 days relayed per os at a dose of 0.5 mg/kg/day, i.e. 30 mg/day) of prednisone), maintained for 3 months. The average nasal improvement could not be completed by surgery and the patient was lost to follow-up.
    This second observation of conidiobolomycosis in Gabon in the same province makes Ngounié a privileged ecosystem for this affection.
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  • 文章类型: Journal Article
    毛霉菌病是一种罕见但致命的疾病,主要影响不受控制的糖尿病患者。糖尿病酮症酸中毒,实体和血液肿瘤,器官移植,长期服用类固醇,持续的中性粒细胞减少症,铁过载状态,新生儿早产,严重的营养不良,和艾滋病毒。在COVID-19大流行之后,最近世界各地报告了许多病例。最近的研究使人们对这种疾病的发病机理有了更好的了解,和全球指南现在可用来管理这种严重的感染。在这里,我们全面审查了病因,发病机制,临床表现,诊断,和毛霉菌病的管理。
    Mucormycosis is an infrequent but fatal illness that mainly affects patients with uncontrolled diabetes mellitus, diabetic ketoacidosis, solid and hematologic neoplasms, organ transplantation, chronic steroid intake, prolonged neutropenia, iron overload states, neonatal prematurity, severe malnutrition, and HIV. Many cases were reported across the world recently following the COVID-19 pandemic. Recent research has led to a better understanding of the pathogenesis of the disease, and global guidelines are now available for managing this serious infection. Herein, we comprehensively review the etiological agents, pathogenesis, clinical presentations, diagnosis, and management of mucormycosis.
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