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Infection, immunocompromised patients

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https://www.readbyqxmd.com/read/29332319/treatment-of-latent-tuberculosis-infection-and-its-clinical-efficacy
#1
REVIEW
Hyung Woo Kim, Ju Sang Kim
The role of the treatment for latent tuberculosis infection (LTBI) has been underscored in the intermediate tuberculosis (TB) burden countries like South Korea. LTBI treatment is recommended only for patients at risk for progression to active TB-those with frequent exposure to active TB cases, and those with clinical risk factors (e.g., immunocompromised patients). Recently revised National Institute for Health and Care Excellence (NICE) guideline recommended that close contacts of individuals with active pulmonary or laryngeal TB, aged between 18 and 65 years, should undergo LTBI treatment...
January 2018: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29330674/advances-in-serological-imaging-techniques-and-molecular-diagnosis-of-toxoplasma-gondii-infection
#2
REVIEW
Ali Rostami, Panagiotis Karanis, Shirzad Fallahi
BACKGROUND: Toxoplasmosis is worldwide distributed zoonotic infection disease with medical importance in immunocompromised patients, pregnant women and congenitally infected newborns. Having basic information on the traditional and new developed methods is essential for general physicians and infectious disease specialists for choosing a suitable diagnostic approach for rapid and accurate diagnosis of the disease and, consequently, timely and effective treatment. METHODS: We conducted English literature searches in PubMed from 1989 to 2016 using relevant keywords and summarized the recent advances in diagnosis of toxoplasmosis...
January 12, 2018: Infection
https://www.readbyqxmd.com/read/29327700/disseminated-cutaneous-fusariosis-in-human-immunodeficiency-virus-infected-patient-and-dramatic-response-with-oral-itraconazole
#3
Indu Kumari, Satyendra Kumar Singh, Rishabh Kumar Chauhan, Satyendra Kumar Kaushal
Fusarium species are known to cause disseminated cutaneous lesions in immunocompromised patients. Some cases of fusariosis are reported in patients infected with the human immunodeficiency virus. There are two reports in such patients with systemic comorbidities like lymphoma, neutropenia and infective port-a-catheter. Another reported patient had systemic fusariosis, without skin involvement. Diagnosis and treatment of cutaneous fusariosis is difficult and resistance to antifungals is a problem. Our patient was at an advanced human immunodeficiency virus infection stage with disseminated cutaneous fusariosis, without any systemic involvement, who responded completely to oral itraconazole...
January 9, 2018: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/29327534/gastric-angioinvasive-mucormycosis-in-immunocompetent-adult-a-rare-occurrence
#4
Mukesh Nasa, Zubin Sharma, Lipika Lipi, Randhir Sud
Mucormycosis is a rare, opportunistic fungal infection that occurs almost exclusively in immunocompromised hosts such as patients with diabetes mellitus, leukemia, lymphoma, renal disease, septicemia, burns, malnutrition, and following long-term treatment with steroids and antibiotics. Based on the clinical presentation and involvement, mucormycosis is classified as six major forms, namely, rhinocerebral, pulmonary, cutaneous, gastrointestinal (GI), disseminated and miscellaneous, with rhinocerebral and pulmonary being the common forms...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29327531/isolated-pancreatic-tuberculosis-in-an-immunocompetent-host
#5
Pankaj Singhai, Ravi Gadhadh, Sangeeta Joshi, Shruti Krishnan, Aparna
Despite the high prevalence of tuberculosis (TB) worldwide, pancreatic TB is rare. When present, pancreatic TB is frequently associated with miliary TB, often in immunocompromised hosts. Pancreatic TB may present as a pancreatic abscess, acute or chronic pancreatitis, and cystic or solid pancreatic masses. This is a case of isolated Tubecular infection of the pancreas in an immunocompetent patient, who presented with a discrete pancreatic abscess, and was subsequently diagnosed with isolated pancreatic TB. This case suggests that clinicians should have a heightened suspicion of pancreatic TB when faced with discrete pancreatic lesions, especially in patients from areas where the infection is endemic...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29327530/splenic-abscess-caused-by-salmonella-typhi-and-co-infection-with-leptospira
#6
Monalisa Sahu, Arvind Kumar, Neeraj Nischal, B G Bharath, Smita Manchanda, Naveet Wig
Splenic abscesses caused by Salmonella typhi are a very rare complication of typhoid fever in this era of use of specific antibiotics. Co-infection with Leptospira in such a patient is even rarer. Clinical diagnosis of splenic abscess caused by Salmonella is difficult owing to its rarity, being insidious in onset and having nonspecific clinical presentation. Splenic abscesses are potentially fatal complication of typhoid fever. In most of these patients, hemoglobinopathies or some other underlying immunocompromised state is usually present...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29326525/mucormycosis-in-a-diabetic-patient-a-case-report-with-an-insight-into-its-pathophysiology
#7
Syeda Neelam Afroze, Rajani Korlepara, Guttikonda Venkateswara Rao, Jayakiran Madala
Mucormycosis is one of the most rapidly progressing and fulminant forms of fungal infection which usually begins in the nose and paranasal sinuses following inhalation of fungal spores. It is caused by organisms of the subphylum Mucormycotina, including genera as Absidia, Mucor, Rhizomucor, and Rhizopus. The incidence of mucormycosis is approximately 1.7 cases per 1,000,000 inhabitants per year. Mucormycosis affecting the maxilla is rare because of rich blood vessel supply of maxillofacial areas although more virulent fungi such as Mucor can overcome this difficulty...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29326340/rare-cause-of-pulmonary-cavitation-in-a-75-year-old-man
#8
Jaffar Al-Sheikhli, Hussein Taqi, John Drake, Ayaaz Habib
A 75-year-old man of Asian descent presented to the acute medical unit with signs and symptoms suggestive of a community-acquired pneumonia. He had multiple comorbidities and was relatively immunocompromised as a result. Initial investigations supported the diagnosis of community-acquired pneumonia complicated by a cavitating lung lesion, and the patient was treated as per hospital guidelines. He continued to deteriorate despite appropriate therapy and developed a hydropneumothorax, requiring the insertion of a chest drain...
January 10, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29326229/genomic-understanding-of-an-infectious-brain-disease-from-the-desert
#9
Leandro F Moreno, Abdalla A O Ahmed, Balázs Brankovics, Christina A Cuomo, Steph B J Menken, Saad J Taj-Aldeen, Hani Faidah, J Benjamin Stielow, Marcus de M Teixeira, Francesc X Prenafeta-Boldú, Vania A Vicente, Sybren de Hoog
Rhinocladiella mackenziei accounts for the majority of fungal brain infections in the Middle East and is restricted to the arid climate zone between Saudi Arabia and Pakistan. Neurotropic dissemination caused by this fungus has been reported in immunocompromised, but also immunocompetent individuals. If untreated, the infection is fatal. Outside of humans, the environmental niche of R. mackenziei is unknown, and the fungus has been only cultured from brain biopsies. In this paper we describe the whole genome re-sequencing of two Rhinocladiella mackenziei strains from patients in Saudi Arabia and Qatar...
January 11, 2018: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/29326010/genomics-of-corynebacterium-striatum-an-emerging-multi-drug-resistant-pathogen-of-immunocompromised-patients
#10
Kathleen Nudel, Xiaomin Zhao, Sankha Basu, Xiaoxi Dong, Maria Hoffmann, Michael Feldgarden, Marc Allard, Michael Klompas, Lynn Bry
OBJECTIVES: Corynebacterium striatum is an emerging multi-drug resistant (MDR) pathogen of immunocompromised and chronically ill patients. The objective of these studies was to provide a detailed genomic analysis of disease causing C. striatum and determine the genomic drivers of resistance and resistance-gene transmission. METHODS: A multi-institutional and prospective pathogen genomics program flagged seven MDR C. striatum infections occurring close in time, and specifically in immunocompromised patients with underlying respiratory diseases...
January 8, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29325543/persistent-mammalian-orthoreovirus-coxsackievirus-and-adenovirus-co-infection-in-a-child-with-a-primary-immunodeficiency-detected-by-metagenomic-sequencing-a-case-report
#11
Dagmara W Lewandowska, Riccarda Capaul, Seraina Prader, Osvaldo Zagordi, Fabienne-Desirée Geissberger, Martin Kügler, Marcus Knorr, Christoph Berger, Tayfun Güngör, Janine Reichenbach, Cyril Shah, Jürg Böni, Andrea Zbinden, Alexandra Trkola, Jana Pachlopnik Schmid, Michael Huber
BACKGROUND: We report a rare case of Mammalian orthoreovirus (MRV) infection in a child with a primary immunodeficiency (PID). Infections with Mammalian orthoreovirus are very rare and probably of zoonotic origin. Only a few cases have been described so far, including one with similar pathogenesis as in our case. CASE PRESENTATION: The patient, age 11, presented with flu-like symptoms and persistent severe diarrhea. Enterovirus has been detected over several months, however, exact typing of a positive cell culture remained inconclusive...
January 11, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29323725/serum-igg-antibodies-from-healthy-subjects-up-to-100-years-old-react-to-jc-polyomavirus
#12
Ilaria Bononi, Elisa Mazzoni, Silvia Pietrobon, Marco Manfredini, Elena Trregiani, Marika Rossini, Francesca Lotito, Giovanni Guerra, Paola Rizzo, Fernanda Martini, Mauro Tognon
JC polyomavirus (JCPyV) was identified in 1971 in the brain tissue of a patient (J.C.) affected by the progressive multifocal leukoencephalopathy (PML). JCPyV encodes for the oncoproteins large T antigen (Tag) and small t-antigen (tag). These oncoproteins are responsible of the cell transformation and tumorigenesis in experimental animals. JCPyV is ubiquitous in human populations. After the primary infection, which is usually asymptomatic, JCPyV remains lifelong in the host in a latent phase. Its reactivation may occur in heathy subjects and immunocompromised patients...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29323188/a-tet-off-gene-expression-system-for-validation-of-antifungal-drug-targets-in-a-murine-invasive-pulmonary-aspergillosis-model
#13
Yutian Peng, Hua Zhang, Min Xu, Man-Wah Tan
Aspergillus fumigatus is one of the major causes of invasive pulmonary aspergillosis in immunocompromised patients. Novel antifungal therapy is in urgent need due to emerging resistance and adverse toxicity of current antifungal drugs. Gene products that are essential for Aspergillus viability during infection are attractive drug targets. To characterize these genes in vivo we developed a Tet-Off gene expression system in A. fumigatus, whereby the administration of doxycycline resulted in down regulation of the gene whose expression is under the control of the Tet-Off promoter...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29323071/scedosporium-apiospermum-an-emerging-pathogen-in-india-case-series-and-review-of-literature
#14
Dabet Rynga, Malini R Capoor, Swati Varshney, Mayuresh Naik, V Gupta
Scedosporium apiospermum is a rare cause of infection but is increasingly being reported among immunocompromised individuals around the world. We report two cases of S. apiospermum, one of keratitis and the other of nasal polyp both from immunocompetent patients. The two cases were successfully treated with voriconazole. It is important to diagnose such infections as their antifungal susceptibility to amphotericin B is variable.
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29322435/vaccine-associated-paralytic-poliomyelitis-in-a-patient-with-acute-lymphocytic-leukemia
#15
Reza Taherkhani, Fatemeh Farshadpour, Mohammad Reza Ravanbod
We report a case of vaccine-associated paralytic poliomyelitis (VAPP) in an immunocompromised patient with acute lymphocytic leukemia who was initially diagnosed with aseptic meningitis. Isolation of Sabin-like type 1 poliovirus from the patient's cerebrospinal fluid made this a case of vaccine-related poliovirus (VRPV) infection. The patient developed paralysis and respiratory distress and deceased a few months after onset of paralysis with respiratory failure. This tragic case report highlights the emergence of VAPP and indicates the importance of timely diagnosis of VRPV infections to improve clinical management of VRPV-infected patients and to prevent the devastating consequences of silent introduction of VRPVs in treatment wards and eventually in the society...
January 10, 2018: Journal of Neurovirology
https://www.readbyqxmd.com/read/29319242/clinical-diversity-of-cns-cryptococcosis
#16
J M Koshy, S Mohan, D Deodhar, M John, A Oberoi, A Pannu
Background: Though cryptococcal meningitis (CM) is recognized as a disease of the immunocompromised, studies have implicated that it also affect immunocompetent patients. Methodology: This was a cross sectional study conducted in the Department of Medicine of a tertiary teaching institution in North India. All the patients diagnosed with CM on the basis of detection of cryptococcal antigen or the presence of capsulated budding yeast cells on India ink preparation, from April 2009 to March2015 were included in the study...
October 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29319040/refractory-bronchovascular-pleuropulmonary-mucormycosis-case-report-and-difficulties-in-management
#17
M Manjunath, Deepak Prajapat, Rahul Kumar Sharma, Deepak Talwar
Pulmonary mucormycosis is a life-threatening opportunistic fungal infection. It is considered as a disease of immunocompromised state and is rarely seen in immunocompetent patients. We here report a case of refractory bronchovascular pleuropulmonary mucormycosis, who despite early detection, optimal management with liposomal amphotericin B, and posaconazole therapy followed by surgery, progressed further and led to a fatal outcome. Dual antifungal therapy combined with surgery is the only definitive treatment option available in the literature...
January 2018: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/29316871/listeria-monocytogenes-sepsis-in-the-nursing-home-community-a-case-report-and-short-review-of-the-literature
#18
Griet Buyck, Veronique Devriendt, Anne-Marie Van den Abeele, Christian Bachmann
Objective and importance Listeria monocytogenes is a rare foodborne pathogen, causing both outbreaks and sporadic infections. Severe, systemic infections are more prevalent in at-risk populations, such as pregnant women, but occur mostly in older people and immunocompromised individuals. In this case report, we describe the presentation, diagnosis, and treatment of Listeria monocytogenes sepsis in an older patient, and we briefly review the literature about listeriosis and the importance of safe food practices...
January 9, 2018: Acta Clinica Belgica
https://www.readbyqxmd.com/read/29316259/fatal-outcome-after-reactivation-of-inherited-chromosomally-integrated-hhv-6a-icihhv-6a-transmitted-through-liver-transplantation
#19
P Bonnafous, J Marlet, D Bouvet, E Salamé, A-C Tellier, S Guyetant, A Goudeau, H Agut, A Gautheret-Dejean, C Gaudy-Graffin
HHV-6A and HHV-6B are found as inherited and chromosomally integrated forms (iciHHV-6A and -6B) into all germinal and somatic cells and vertically transmitted in a Mendelian manner in about 1% of the population. They were occasionally shown to be horizontally transmitted through hematopoietic stem cell transplantation. Here, we present a clinical case of horizontal transmission of iciHHV-6A from donor to recipient through liver transplantation. Molecular analysis performed on three viral genes (7.2 kb) in the recipient and donor samples supports transmission of iciHHV-6A from the graft...
January 9, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29310381/primary-cutaneous-aspergillosis-caused-by-aspergillus-fumigatus-in-an-immunocompetent-patient-a-case-report
#20
Xiaoyan Liu, Jun Yang, Weiyuan Ma
RATIONALE: Primary cutaneous aspergillosis in immunocompromised patients has been well described in extensive investigations. However, in immunocompetent hosts, primary cutaneous infection of aspergillus occurs rarely, and remains poorly characterized. PATIENT CONCERNS: We present a case of primary cutaneous aspergillosis manifested by erythematous plague covered with flava eschar. DIAGNOSES: The patient was diagnosed with primary cutaneous aspergillosis...
December 2017: Medicine (Baltimore)
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