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Nocardiosis

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https://www.readbyqxmd.com/read/29344434/rare-multidrug-resistant-pulmonary-nocardiosis-in-aids
#1
Cherry O Onaiwu, Manasa Velagapudi, Luay Sarsam, Lindsay Utley, Lauren Bricker, Venkata Sunil Bendi, Renuga Vivekanandan
Nocardiosis is an opportunistic infection in patients with depressed cell-mediated immunity. Inhalation is the primary route for exposure via dust particles. Patients with acquired immune deficiency syndrome (AIDS) are at increased risk of disseminated disease. A challenge in the diagnosis of pulmonary nocardiosis is that it can mimic other pulmonary diseases. Nocardia farcinica tends to be a more virulent, multidrug-resistant strain with an increased tendency to disseminate. This report describes a 64-year-old man with AIDS found to have pulmonary nocardiosis that did not respond to standard antibiotic therapy...
November 11, 2017: Curēus
https://www.readbyqxmd.com/read/29341219/current-knowledge-of-nocardiosis-in-teleost-fish
#2
REVIEW
S Maekawa, T Yoshida, P-C Wang, S-C Chen
Nocardia sp. is the causative agent of nocardiosis, a lethal granulomatous disease of the skin, muscle, and various inner tissues affecting various teleost and shellfish. Four species of Nocardia have been isolated from diseased fish and shellfish, namely Nocardia asteroides, Nocardia seriolae, Nocardia salmonicida and Nocardia crassostreae. Therefore, in fish aquaculture, nocardiosis has caused severe economic losses, especially in the Asian region. Considerable research has been performed, since the first report of identified Nocardia sp...
January 17, 2018: Journal of Fish Diseases
https://www.readbyqxmd.com/read/29321927/pulmonary-nocardiosis-in-a-patient-with-idiopathic-cd4-t-lymphocytopenia
#3
Vivek Jayaschandran, Sandra Gjorgova-Gjeorgjievski, Haamid Siddique
Idiopathic CD4 T-lymphocytopenia (ICL) is a rare immunodeficiency characterized by low CD4 T-lymphocyte count, which usually manifests with opportunistic infections. Nocardia as an opportunistic pathogen infecting patients with this condition has rarely been reported. Here, we describe the case of a 46-year-old male who presented with lung mass and respiratory and systemic symptoms and was eventually diagnosed with pulmonary nocardiosis. A workup for predisposing immunodeficiencies suggested a picture of ICL...
February 2018: Respirology Case Reports
https://www.readbyqxmd.com/read/29319037/ventilator-dependent-pulmonary-nocardiosis-in-a-patient-with-chronic-obstructive-pulmonary-disease
#4
Stella Pak, Tarek Mansour, Yan Yatsynovich, Andrew Kobalka
Nocardiosis is a rare infectious disease entity that mostly affects the lungs, brain, or skin of immunocompromised individuals. Recent reports of pulmonary nocardiosis (PN) in patients with chronic obstructive pulmonary disease (COPD) as the only risk factor suggest a possible association between nocardiosis and COPD. Herein, we present a case of ventilator-dependent PN in a patient with a moderate degree of COPD. A high level of suspicion for PN should be maintained when encountered with COPD patients complaining of symptoms of pneumonia and excessive thirst...
January 2018: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/29296648/nocardiosis-incognito-primary-cutaneous-nocardiosis-with-extension-to-myositis-and-pleural-infection
#5
Nhan M Nguyen, Jacquelyn R Sink, Adam J Carter, Falguni Asrani
No abstract text is available yet for this article.
January 2018: JAAD Case Reports
https://www.readbyqxmd.com/read/29282439/diffuse-nocardial-spinal-subdural-empyema-diagnostic-dilemma-and-treatment-options
#6
Zaid Aljuboori, Mayur Sharma, Thomas Altstadt
Nocardiosis of the central nervous system and spine, in particular, is a rare infection with significant morbidity and mortality. Treatment is usually with antibiotics and surgical drainage or biopsy. The authors report a case of a 49-year-old man who presented with chronic lower back pain and paraplegia. He was found to have spinal subdural empyema caused by Nocardia farcinica. Laminectomy and sampling of the subdural collection were performed, and the patient was treated with triple intravenous antibiotics (linezolid, amikacin and ciprofloxacin)...
October 24, 2017: Curēus
https://www.readbyqxmd.com/read/29240499/disseminated-nocardiosis-in-a-liver-transplant-patient
#7
Conor Bowman, Hannah Davies, Stephanie Wilmore
No abstract text is available yet for this article.
December 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/29225839/a-case-of-empyema-and-septic-arthritis-due-to-nocardia-farcinica
#8
Takashi Ishiguro, Hiroaki Yoshioka, Shoko Kawai, Shin-Ichi Katsumata, Tohru Gonoi, Noboru Takayanagi
Septic arthritis due to Nocardia sp. should be suspected when a patient with risk factors such as pneumoconiosis or diabetes mellitus develops joint symptoms, especially if the patient has had nocardiosis in other sites.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29198680/syndrome-of-inappropriate-antidiuretic-hormone-secretion-complicating-systemic-nocardiosis-in-a-renal-transplant-recipient-a-case-report
#9
C Melexopoulou, I D Pavlopoulou, A Zormpala, G L Daikos, J N Boletis, S Marinaki
BACKGROUND: Infection by Nocardia species is an uncommon cause of severe clinical syndromes, particularly in immunocompromised patients, and solid-organ transplantation is the most common underlying condition. The syndrome of inappropriate antidiuretic hormone secretion (SIADH) has been described thus far in lung and stem cell transplants with systemic nocardiosis. CASE REPORT: We report the first case of SIADH in a female elderly renal transplant recipient diagnosed with systemic nocardiosis 2 years after transplantation...
December 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29166272/in-vitro-activity-of-some-essential-oils-alone-and-in-combination-against-the-fish-pathogen-nocardia-seriolae
#10
T F Ismail, T Yoshida
Microplate resazurin assay was applied to investigate the in vitro activity of four essential oils (EOs); cinnamon (Cinnamomum zeylanicum), thyme (Thymus vulgaris), lemongrass (Cymbopogon flexuosus) and tea tree (Melaleuca alternifolia) oils against 80 clinical isolates of the fish pathogen Nocardia seriolae. The checkerboard test was then used to determine the possible synergistic effect of EOs combination against reference type strains of fish nocardiosis. All tested EOs had antibacterial activity against N...
September 26, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/29154371/disseminated-nocardiosis-complicated-by-multiple-brain-abscesses-and-pleural-empyema-in-a-young-diabetic-man-a-case-report
#11
M C Mengoli, C Lazzaretti, G Rossi, F Lococo
Nocardiosis is a life-threatening infection usually affecting immunocompromised patients. Very rarely it presented with intracranial abscesses and pleuro-parenchymal infections. We herein report a very challenging case of a 34-year-old obese and diabetic man affected by disseminated nocardiosis with multiple brain abscesses and pleural empyema. Despite rare, this entity should be taken into account by the pathologists and urgently communicated to clinicians in order to promptly start an effective treatment.
September 2017: Pathologica
https://www.readbyqxmd.com/read/29146497/nocardiosis-from-1888-to-2017
#12
REVIEW
Mehdi Fatahi-Bafghi
The genus Nocardia is an aerobic bacterium, Gram-positive and catalase positive that is in Nocardiaceae family. This bacterium first described by Edmond Nocard in 1888 and is not in human commensal bacteria. To date, nocardiosis incidence is increasing due to increase population growth rate, increase in patients with immune disorder diseases and immunocompromised patients. We surveyed taxonomic position, isolation methods, phenotypic and molecular identification at the genus and species levels, antibiogram, treatment and epidemiology in the world from 1888 to 2017...
November 13, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29105868/successful-treatment-of-disseminated-nocardiosis-caused-by-nocardia-veterana-in-a-dog
#13
S Yaemsiri, J E Sykes
A 5-year-old male castrated Lhasa Apso cross was evaluated for a 1-month history of inappetence, lethargy, gagging, and progressive right thoracic limb lameness. Synovial fluid analysis revealed nonseptic suppurative inflammation, and a diagnosis of immune-mediated polyarthritis (IMPA) was made. After 3 months of treatment with prednisone and later cyclosporine, the dog developed multiple firm cutaneous and subcutaneous masses and a focal mass within the jejunum. Cultures of blood, urine, skin lesions, and the jejunal mass identified Nocardia veterana by matrix-absorption laser desorption ionization-time-of-flight mass spectrometry (MALDI-TOF MS) and allowed for earlier identification of the organism compared to more traditional secA1 gene sequencing...
November 4, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29102124/transparent-tiger-barb-puntius-tetrazona-a-fish-model-for-in-vivo-analysis-of-nocardial-infection
#14
F Wang, X G Wang, C Liu, O Q Chang, Y Y Feng, L Jiang, K B Li
Nocardiosis afflicts multiple species of cultured fish, resulting in substantial economic losses to the aquaculture industry, however, lack of detailed knowledge on disease pathogenesis has hampered the development of effective prevention and control strategies. In this study, we injected a green fluorescent protein (GFP)-labeled Nocardia seriolae strain into a transparent mutant strain of Tiger barb (Puntius tetrazona) to monitor tissue pathogen accumulation and tissue damage in vivo, and to clarify the relationship between pathogenic processes and overt symptoms...
November 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29066492/granulomatous-thyroiditis-a-case-report-and-literature-review
#15
Darshan P Trivedi, Ramesh Bhagat, Yukihiro Nakanishi, Alun Wang, Krzysztof Moroz, Nadja K Falk
BACKGROUND: Granulomatous disease in the thyroid gland has been linked to viral, bacterial and autoimmune etiologies. The most common granulomatous disease of the thyroid is subacute granulomatous thyroiditis, which is presumed to have a viral or post-viral inflammatory cause. Bacterial etiologies include tuberculosis, actinomycosis, and nocardiosis, but are extremely rare. Disseminated actinomycosis and nocardiosis more commonly affect organ-transplant patients with the highest susceptibility within the first year after transplant surgery...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29059035/nocardia-beijingensis-pericarditis-presenting-with-cardiac-tamponade-a-case-report
#16
Nattinee Laksananun, Parichat Salee, Quanhathai Kaewpoowat
We report the first case of Nocardia beijingensis pericarditis in a 32-year-old HIV-infected patient. He presented with cardiac tamponade after failing to respond to treatment for smear-negative pulmonary and pericardial tuberculosis (TB). The pericardial fluid was examined several times before it eventually revealed filamentous branching organisms in Gram and modified acid-fast bacilli stain. The culture grew Nocardia spp. and was identified by 16s rRNA sequencing as N. beijingensis. Eight previously reported cases of Nocardia pericarditis in HIV-infected patients were caused by Nocardia asteroides...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29038748/virulence-test-using-nematodes-to-prescreen-nocardia-species-capable-of-inducing-neurodegeneration-and-behavioral-disorders
#17
Claire Bernardin Souibgui, Anthony Zoropogui, Jeremy Voisin, Sebastien Ribun, Valentin Vasselon, Petar Pujic, Veronica Rodriguez-Nava, Patrick Belly, Benoit Cournoyer, Didier Blaha
BACKGROUND: Parkinson's disease (PD) is a disorder characterized by dopaminergic neuron programmed cell death. The etiology of PD remains uncertain-some cases are due to selected genes associated with familial heredity, others are due to environmental exposure to toxic components, but over 90% of cases have a sporadic origin. Nocardia are Actinobacteria that can cause human diseases like nocardiosis. This illness can lead to lung infection or central nervous system (CNS) invasion in both immunocompromised and immunocompetent individuals...
2017: PeerJ
https://www.readbyqxmd.com/read/29033815/cutaneous-nocardiosis-simulating-cutaneous-lymphatic-sporotrichosis
#18
Pedro Secchin, Beatriz Moritz Trope, Larissa Araujo Fernandes, Glória Barreiros, Marcia Ramos-E-Silva
Sporotrichosis is the subcutaneous mycosis caused by several species of the Sporothrix genus. With worldwide occurrence, the State of Rio de Janeiro is presently undergoing a zoonotic sporotrichosis epidemic. The form of lymphocutaneous nocardiosis is rare, being caused especially by Nocardia brasiliensis. It appears as a nodular or ulcerated lesion, with multiple painful erythematous nodules or satellite pustules distributed along the lymphatic tract, similar to the lymphocutaneous variant of sporotrichosis...
May 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28969125/unfolding-of-a-clinically-suspected-case-of-pulmonary-tuberculosis
#19
Savitha Thirouvengadame, Swapna Muthusamy, Vignesh Kanna Balaji, Joshy Maducolil Easow
Pulmonary nocardiosis caused by Nocardia mimics pulmonary tuberculosis in many aspects. Here, we report a case of suspected pulmonary tuberculosis turning into pulmonary nocardiosis following microbiological evaluation. Sputum sample of the patient grew Nocardia otitidiscaviarum. Identification was done by conventional methods and matrix assisted laser desorption ionization-time of flight. He was given co-trimoxazole based on susceptibility reports. Even though Nocardia is a rare entity, pulmonary nocardiosis should be ruled out before starting antitubercular treatment to avoid unnecessary burden to the patient and community...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28966493/clinical-manifestations-of-nocardiosis-study-of-risk-factors-and-outcomes-in-a-tertiary-care-hospital
#20
Teena Wadhwa, Usha Baveja, Navin Kumar, Deepak Govil, Sharmila Sengupta
PURPOSE: The aim of this study is to evaluate the predisposing risk factors, clinical presentations, laboratory parameters, and treatments taken and outcomes in patients of nocardiosis in the span of 5 years in a tertiary care hospital. MATERIALS AND METHODS: The patients whose specimens showed Nocardia like organism in Gram-staining, Kinyoun staining and characteristic colonies in culture were included in the retrospective analysis study. Retrospective analysis of associated risk factors, clinical presentations, and radiological findings was performed...
October 2017: Journal of Laboratory Physicians
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