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Unknown fever

Francisco Galeano-Valle, Pablo Demelo-Rodriguez, Luís Álvarez-Sala-Walther, Blanca Pinilla-Llorente, Miguel Jesús Echenagusia-Boyra, Hugo Rodriguez-Abella, Jorge Del-Toro-Cervera
Behçet's Disease (BD) is a rare multi-systemic inflammatory disorder classified as a systemic vasculitis of unknown aetiology. Vascular involvement occurs in approximately 5-51.6% cases, affecting venous and arterial vessels. Cardiac involvement is rare in BD (6%). There have been published approximately 93 cases of BD associated with intracardiac thrombosis, with different treatments and courses. We present a case of a 35-year-old spanish male that, after a percutaneous pharmacomechanical thrombectomy with venous stent placement, developed high fever and extensive venous thrombosis despite anticoagulation including intracardiac thrombosis (ICT) in the right ventricle and pulmonary embolism that leaded to the diagnosis of BD...
February 2018: Intractable & Rare Diseases Research
Meng-Meng Li, Wen-Jing Zhang, Jia Liu, Ming-Yue Li, Yan-Fang Zhang, Yan-Xiong, Shu-E Xiong, Cong-Cong Zou, Lei-Qun Xiong, Bo-Yun Liang, Meng-Ji Lu, Dong-Liang Yang, Cheng Peng, Xin Zheng
OBJECTIVE: Severe fever with thrombocytopenia syndrome (SFTS) is an emerging infectious disease with high mortality. T-cell deficiency was recently described, but the changes in T-cell functionality during acute SFTS viral (SFTSV) infection and the mechanisms leading to T-lymphocyte death remain largely unknown. This study was conducted to evaluate T-cell functionality and the expression of apoptotic/proliferation and activation/inhibition markers during acute SFTSV infection. METHODS: Twenty-eight surviving SFTS patients were sequentially sampled during their entire hospital stay...
March 14, 2018: International Journal of Infectious Diseases: IJID
Fredy A Rivera-Páez, Thiago F Martins, Paula A Ossa-López, Bruno Rodrigues Sampieri, Maria I Camargo-Mathias
Rickettsiosis are emerging or re-emerging diseases, with a worldwide distribution associated to transmission by arthropod vectors. Rickettsia species belong to the spotted fever group (SFG) and are transmitted by hard ticks (Acari: Ixodidae) that may act as vectors and reservoirs. This study carried out a molecular detection of Rickettsia from 7 species of the family Ixodidae collected from domestic hosts by PCR amplification of fragments of the citrate synthase "gltA" gene and outer membrane protein "ompA" gene...
March 9, 2018: Ticks and Tick-borne Diseases
Amirsaeed Hosseini, Fatemeh Mirzaee, Ali Davoodi, Hossein Bakhshi Jouybari, Mohammad Azadbakh
Arnebia, a sub cosmopolitan and important genus of the Boraginaceae family, comprises 25 species distributed among the world. Based on the studies of Persian medicine texts, there are some promising bioactivities for this genus that is unknown in modern medicine and some of them are still the basis of new remedies. This article presents Arnebia according to the most important ancient information by the most famous Persian medicine books like Makhzan Al Advieh, Tohfat Al-Momenin, Al-Qanun, Al-Seidaneh and Ekhtiarate Badiei...
February 1, 2018: Medicinski Glasnik
Qiyu Lu, Yi Sun, Yuyin Duan, Bin Li, Jianming Xia, Songhua Yu, Guimin Zhang
BACKGROUND: Valvular heart disease is a leading cause of cardiovascular mortality, especially in China. More than a half of valvular heart diseases are caused by acute rheumatic fever. microRNA is involved in many physiological and pathological processes. However, the miRNA profile of the rheumatic valvular heart disease is unknown. This research is to discuss microRNAs and their target gene pathways involved in rheumatic heart valve disease. METHODS: Serum miRNA from one healthy individual and four rheumatic heart disease patients were sequenced...
March 16, 2018: BMC Cardiovascular Disorders
Prabahs Prasun Giri, Joydeb Roy, Agnisekhar Saha
Aim of the Study: Scrub typhus has been globally recognized as an emerging infectious disease contributing significantly to pyrexia of unknown origin (PUO) and a potential cause of multiorgan dysfunction syndrome (MODS). We studied the incidence of scrub typhus as a cause of pediatric intensive care unit (PICU) admission and MODS in our hospital and its clinical and laboratory characteristics to measure the incidence of MODS caused by scrub typhus. Materials and Methods: This study was done in a pediatric teaching hospital in Kolkata, India...
February 2018: Indian Journal of Critical Care Medicine
Niek Jozef Beijerink, Wilhelmina Bergmann, Viktor Szatmári
An 18-month-old male Akita Inu dog developed fever and lameness 8 months after successful transcatheter closure of a patent ductus arteriosus with an Amplatz Canine Duct Occluder (ACDO). Corynebacterium species were cultured from 3 blood samples. Echocardiography showed a vegetative process on the aortic valves. The dog died spontaneously 3 days after development of the initial signs. Necropsy confirmed the presence of bacterial ductal arteritis and myocarditis, and revealed an incomplete endothelialization of the intraductal metal implant...
March 10, 2018: Journal of Veterinary Internal Medicine
Ying-Feng Sun, Lei Zhou, Ting Bian, Xiang-Xue Tian, Wei-Ke Ren, Chao Lu, Li Zhang, Xiu-Li Li, Mao-Sheng Cui, Han-Chun Yang, Hai Yu
NADC30-like porcine reproductive and respiratory syndrome virus (PRRSV) causing clinical disease outbreaks has been recently reported in China. The recombination occurring among PRRSV strains could lead to the emergence of novel and more virulent viruses. In our previous study, a novel recombinant type 2 PRRSV (TJnh1501) between NADC30-like and modified-live virus (MLV)-like derived from the Chinese highly pathogenic PRRSV was shown to have higher pathogenicity than NADC30-like PRRSV. It remains unknown whether the emergence of the novel recombinant PRRSV strain can lead to variable protection efficacy of the MLV vaccines...
March 2018: Veterinary Microbiology
Y Zhang, X J Zeng
No abstract text is available yet for this article.
March 1, 2018: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
Amer A Lardhi, Abdullah K Al-Mutairi, Mohammed H Al-Qahtani, Atheer K Al-Mutairi
Rosai-Dorfman disease is a rare histiocytic proliferative disorder that commonly presents with a massive lymphadenopathy and a variety of constitutional symptoms. Severe hemolytic anemia is an infrequent complication of this disease. Although the etiology of the condition is unknown, infectious agents including viruses have been implicated. We describe a 2-year-old female child who presented with fever, pallor, and generalized lymphadenopathy complicated by the development of autoimmune hemolytic anemia. A review of the literature of this condition is also provided...
January 2018: Case Reports in Oncology
Chamara Dalugama, Indika Bandara Gawarammana
BACKGROUND: Tuberculosis is a major health problem in the developing world. Diagnosis of extrapulmonary tuberculosis is delayed because the presentation is nonspecific. Extrapulmonary tuberculosis can present with various hematological manifestations, including pancytopenia. Pancytopenia could be due to hypersplenism, maturation arrest, hemophagocytic lymphohistiocytosis, or infiltration of the bone marrow by caseating or noncaseating granulomas causing reversible or irreversible fibrosis...
March 6, 2018: Journal of Medical Case Reports
Mikhail M Kostik, Evgeny N Suspitsin, Marina N Guseva, Anastasia S Levina, Anastasia Y Kazantseva, Anna P Sokolenko, Evgeny N Imyanitov
NLRP12-related autoinflammatory disease (NLRP12-AID) is an exceptionally rare autosomal dominant disorder caused by germline mutations in NLRP12 gene. Very few patients with NLRP12-AD have been identified worldwide; therefore, there is a scarcity of data on phenotypic presentation of this syndrome. Here we provide evidence that NLRP12-AID may have clinical manifestations characteristic for primary immune deficiencies (PID). 246 children with periodic fever (PF) of unknown origin were subjects to the next generation sequencing (NGS) analysis; 213 of these patients had signs of primary immunodeficiency (PID) manifested by recurrent infections, while 33 kids had isolated PF...
March 2, 2018: Rheumatology International
Jong Hyun Lee, Chulwon Kim, Seok-Geun Lee, Woong Mo Yang, Jae-Young Um, Gautam Sethi, Kwang Seok Ahn
BACKGROUND: Ophiopogonin D (OP-D), a steroidal glycoside obtained from the Chinese medicinal plant Ophiopogonin japonicas (the root portion), has been traditionally used to treat fever, inflammation, cough, sputum etc. However, the detailed molecular mechanism(s) underlying its therapeutic actions is still unknown. HYPOTHESIS: Because nuclear factor-κB (NF-κB), PI3K/AKT, and activator protein-1 (AP-1) signaling cascades have significant functions in cell proliferation, inflammation, and angiogenesis in tumor cells, we hypothesized that OP-D may disrupt these signaling cascades to exert its anticancer effects in human lung-cancer cells...
February 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Maria Zerkaoui, Fatima Zahra Laarabi, Yousra Ajhoun, Bouchra Chkirate, Abdelaziz Sefiani
BACKGROUND: Familial Mediterranean fever is an autoinflammatory disease of unknown etiology, characterized clinically by recurrent attacks of sudden-onset fever with arthralgia and/or thoracoabdominal pain and pathogenetically by autosomal recessive inheritance due to a mutation in the MEFV gene. Behçet's disease is an inflammatory disease characterized by recurrent oral and genital aphthous ulcerations, uveitis, and skin lesions. Preliminarily, our literature review suggested that patients with familial Mediterranean fever who also have Behçet's disease have only a single mutated familial Mediterranean fever gene...
March 1, 2018: Journal of Medical Case Reports
James W Antoon, David C Peritz, Michael R Parsons, Asheley C Skinner, Jacob A Lohr
BACKGROUND: Fever of unknown origin (FUO) is a well-known pediatric presentation. The primary studies determining the causes of prolonged fever in children were performed 4 decades ago, before major advances in laboratory and diagnostic testing. Given that the distribution of diagnosed causes of adult FUO has changed in recent decades, we hypothesized that the etiology of FUO in children has concordantly changed and also may be impacted by a definition that includes a shorter required duration of fever...
March 2018: Hospital Pediatrics
Talha Burki
No abstract text is available yet for this article.
February 24, 2018: Lancet
Claudio Guarneri, Uwe Wollina, Torello Lotti, Georgi Konstantinov Maximov, Ilia Lozev, Serena Gianfaldoni, Ivan Pidakev, Jacopo Lotti, Georgi Tchernev
Firstly described by Robert Douglas Sweet in 1964, febrile neutrophilic dermatosis is a disabling, not only cutaneous disorder, clinically characterised by fever and painful erythematous nodules, with a typical background of neutrophilia. Sweet's syndrome (SS) is a chronic inflammatory reactive disorder of unknown cause and incompletely established pathogenesis, although an interplay between genetic and environmental factors, including infections, is likely to occur. A significant part of cases has been demonstrated to be linked with malignancies, especially in the hematologic setting...
January 25, 2018: Open Access Macedonian Journal of Medical Sciences
Jostein Førsvoll, Knut Øymar
Background: Tonsillectomy (TE) or adenotonsillectomy (ATE) may have a beneficial effect on the clinical course in children with the Periodic Fever, Aphthous stomatitis, Pharyngitis and cervical Adenitis (PFAPA) syndrome. However, an immunological reason for this effect remains unknown. This literature review summarizes the current knowledge of the effect of TE or ATE in the PFAPA syndrome. Methods: A search of PubMed, Medline, EMBASE and Cochrane was conducted for papers written in English dated from 1 January 1987 to 31 December 2016...
2018: BMC Ear, Nose, and Throat Disorders
Yeter Düzenli Kar, Zeynep Canan Özdemir, Özcan Bör
Aim: Febrile neutropenia is an important cause of mortality and morbidity in hematology-oncology patients undergoing chemotherapy. The objective of this study was to evaluate febrile neutropenic episodes in children with malignancy. Material and Methods: Sixty-eight children who received chemotherapy for malignancy between 2010 and 2015 were retrospectively reviewed. The demographic characteristics, laboratory data, infection foci, and frequency of microorganisms grown in culture were examined...
December 2017: Türk Pediatri Arşivi
Marco A Lana-Peixoto, Denison Pedrosa, Natália Talim, Juliana M S S Amaral, Alice Horta, Rodrigo Kleinpaul
Dengue virus infection is a disease with high incidence in some tropical and subtropical countries. A variety of neurological complications of dengue fever (DF) has been described including two cases with the phenotype of neuromyelitis optica spectrum disorder (NMOSD). However, aquaporin-4 serostatus was unknown or negative in these patients. We report two patients with NMOSD occurring in association with DF. The first patient presented with brainstem symptoms and the second one with isolated unilateral optic neuritis...
February 6, 2018: Journal of Neuroimmunology
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