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Pediatric Tuberculosis

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https://www.readbyqxmd.com/read/28426273/preclinical-development-of-bcg-hiva-2auxo-int-harboring-an-integrative-expression-vector-for-a-hiv-tb-pediatric-vaccine-enhancement-of-stability-and-specific-hiv-1-t-cell-immunity
#1
Aakash Mahant, Narcís Saubi, Yoshiki Eto, Núria Guitart, Josep M ª Gatell, Tomáš Hanke, Joan Joseph
One of the critical issues that should be addressed in the development of a BCG-based HIV vaccine is genetic plasmid stability. Therefore, to address this issue we have considered using integrative vectors and the auxotrophic mutant of BCG complemented with a plasmid carrying a wild-type complementing gene. In this study, we have constructed an integrative E. coli-mycobacterial shuttle plasmid, p2auxo.HIVA(int), expressing the HIV-1 clade A immunogen HIVA. This shuttle vector employs an antibiotic resistance-free mechanism for plasmid selection and maintenance...
April 20, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28417858/-18-f-fdg-pet-ct-imaging-of-thoracic-and-extrathoracic-tuberculosis-in-children
#2
REVIEW
Matthieu Pelletier-Galarneau, Patrick Martineau, Lionel S Zuckier, Xuan Pham, Raymond Lambert, Sophie Turpin
Tuberculosis (TB) remains a major health problem, affecting approximately one-third of the world׳s population. The tubercle bacillus can affect virtually any organ of the human body and if left untreated can lead to severe morbidity and death. Diagnosis of active TB is challenging, especially in children. As a "great imitator," the disease can mimic numerous other pathologies, both clinically and at imaging. Although recognition of active TB is crucial to initiate adequate treatment in a timely fashion, thereby preventing transmission of disease, differentiation of active and quiescent disease is not always straightforward...
May 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28405623/bcg-vaccination-induces-hiv-target-cell-activation-in-hiv-exposed-infants-in-a-randomized-trial
#3
Melanie A Gasper, Anneke C Hesseling, Isaac Mohar, Landon Myer, Tali Azenkot, Jo-Ann S Passmore, Willem Hanekom, Mark F Cotton, I Nicholas Crispe, Donald L Sodora, Heather B Jaspan
BACKGROUND. Bacillus Calmette-Guérin (BCG) vaccine is administered at birth to protect infants against tuberculosis throughout Africa, where most perinatal HIV-1 transmission occurs. We examined whether BCG vaccination alters the levels of activated HIV target T cells in HIV-exposed South African infants. METHODS. HIV-exposed infants were randomized to receive routine (at birth) or delayed (at 8 weeks) BCG vaccination. Activated and CCR5-expressing peripheral blood CD4(+) T cell, monocyte, and NK cell frequencies were evaluated by flow cytometry and immune gene expression via PCR using Biomark (Fluidigm)...
April 6, 2017: JCI Insight
https://www.readbyqxmd.com/read/28403060/the-risk-of-mycobacterium-tuberculosis-transmission-from-pediatric-index-cases-to-school-pupils
#4
Paola Piccini, Elisabetta Venturini, Leila Bianchi, Simonetta Baretti, Paolo Filidei, Luana Paliaga, Franca Mazzoli, Elena Chiappini, Maurizio de Martino, Luisa Galli
This study is the largest report on Mycobacterium tuberculosis transmission rate (TR) from children with pulmonary tuberculosis to school pupils. Higher TR (around 21.6%) was observed in contacts of smear-positive children. TR from pediatric smear-negative index cases was around 0. If our data are confirmed, school contacts of a smear-negative index case could be screened only by clinical evaluation and tuberculin skin test, avoiding the routine use of chest radiographs in children less than 5 years of age as well...
May 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28390848/-the-advent-of-a-newborn-specialty-19th-century-pediatrics
#5
Jean-Jacques Baudon
Pediatrics began under the most unfavorable conditions that are difficult to imagine nowadays. Children at the start of the 19th century were considered as negligible. The death rate was tremendous, increased by the work of children in factories as soon as 6 years of age in textile industries. In upper classes, infants were fed by a wet nurse, far from their parents and death rate was high as well. The emergence of pediatrics was the result of work carried out in adult medicine in the first half of the 19th century: clinical anatomic method, knowledge of contagious diseases even before the discovery of bacteria, birth of bacteriology...
April 5, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28360493/vitamin-d-levels-among-pediatric-tuberculosis-patients-does-it-alter-following-antitubercular-treatment-a-prospective-study-in-19-children
#6
Anil Agarwal, Pradeep Kumar Dabla, Madhusudan Mishra, Anubrat Kumar, Abbas Shaharyar
OBJECTIVES: It is still unknown whether altered vitamin D levels observed with osteoarticular tuberculosis change during treatment in a child or modify the disease course. To find a possible answer to the above query, we investigated serial serum 25 hydroxy vitamin D concentrations in children suffering from osteoarticular tuberculosis treated with multidrug antitubercular drugs. METHODS: The prospective study enrolled 19 untreated immunocompetent children with an established diagnosis of osteoarticular tuberculosis...
January 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28319425/overcoming-challenges-in-the-diagnosis-prevention-and-treatment-of-pediatric-drug-resistant-tuberculosis
#7
Sylvie Jonckheree, Jennifer Furin
Drug-resistant tuberculosis (DR-TB) is a growing global health threat and children are especially vulnerable to becoming infected and sick with DR-TB. There is a growing body of evidence on the optimal diagnosis, treatment and prevention of DR-TB in this vulnerable population. Areas covered: A comprehensive review of the literature on DR-TB in children was done using PubMed and Ovid databases up to 31 December 2016. Topic areas covered included diagnosis of DR-TB, treatment of DR-TB - including novel medications and regimens, prevention of DR-TB, community-based care, and stigma/discrimination...
May 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28318350/clinical-course-and-outcomes-of-pediatric-tubercular-uveitis-in-north-india
#8
Savleen Kaur, Kanika Aggarwal, Aniruddha Agarwal, Deepti Suri, Anju Gupta, Ramandeep Singh, Reema Bansal, Surjit Singh, Nirbhai Singh, Amod Gupta, Vishali Gupta
PURPOSE: To analyze the clinical features, course, management, and outcomes of tubercular (TB) uveitis in the pediatric population and assess the response to anti-tubercular therapy (ATT). METHODS: Hospital records of children (≤16 years) from a large tertiary-care institute between January 2001 and December 2015 were reviewed. RESULTS: A total of 32 children (mean age: 10.7 ± 4.27 years; range 2-16) were diagnosed with TB-associated uveitis...
March 20, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28288691/immunological-diagnosis-as-an-adjunctive-tool-for-an-early-diagnosis-of-tuberculous-meningitis-of-an-immune-competent-child-in-a-low-tuberculosis-endemic-country-a-case-report
#9
Serena Vita, Camilla Ajassa, Emanuela Caraffa, Miriam Lichtner, Claudia Mascia, Fabio Mengoni, Maria Grazia Paglia, Cristina Mancarella, Davide Colistra, Claudio Di Biasi, Rosa Maria Ciardi, Claudio Maria Mastroianni, Vincenzo Vullo
BACKGROUND: Pediatric tuberculous meningitis is a highly morbid, often fatal disease. Its prompt diagnosis and treatment saves lives, in fact delays in the initiation of therapy have been associated with high mortality rates. CASE PRESENTATION: This is a case of an Italian child who was diagnosed with tuberculous meningitis after a history of a month of headache, fatigue and weight loss. Cerebrospinal fluid analysis revealed a lymphocytic pleocytosis with predominance and decreased glucose concentration...
March 13, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28288086/re-prebiologic-therapy-tuberculosis-screening-experience-in-a-pediatric-rheumatology-center-tst-and-igra-are-both-necessary
#10
Phil Lowenthal, Pennan M Barry, Jennifer Flood
No abstract text is available yet for this article.
April 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28288085/prebiologic-therapy-tuberculosis-screening-experience-in-a-pediatric-rheumatology-center-tst-and-igra-are-both-necessary
#11
Achille Marino, Elena Chiappini, Rolando Cimaz, Gabriele Simonini
No abstract text is available yet for this article.
April 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28246266/diagnosis-and-management-of-pediatric-tuberculosis-in-canada
#12
(no author information available yet)
No abstract text is available yet for this article.
February 6, 2017: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/28246254/diagnosis-and-management-of-pediatric-tuberculosis-in-canada
#13
REVIEW
Ian Kitai, Shaun K Morris, Faisal Kordy, Ray Lam
No abstract text is available yet for this article.
January 9, 2017: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/28236807/pediatric-tuberculosis-human-immunodeficiency-virus-co-infection-in-the-united-kingdom-highlights-the-need-for-better-therapy-monitoring-tools-a-case-report
#14
Dimitrios Evangelopoulos, Elizabeth Whittaker, Isobella Honeyborne, Timothy D McHugh, Nigel Klein, Delane Shingadia
BACKGROUND: Tuberculosis is an infection that requires at least 6 months of chemotherapy in order to clear the bacteria from the patient's lungs. Usually, therapeutic monitoring is dependent on smear microscopy where a decline in acid-fast bacilli is observed. However, this might not be indicative of the actual decline of bacterial load and thus other tools such as culture and molecular assays are required for patient management. CASE PRESENTATION: Here, we report the case of a 12-year-old Black African boy co-infected with tuberculosis and human immunodeficiency virus who remained smear culture positive and liquid culture negative for a prolonged period of time following chemotherapy...
February 26, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28229097/pediatric-hypovitaminosis-d-molecular-perspectives-and-clinical-implications
#15
Rafiu Ariganjoye
Vitamin D, a secosteroid, is essential for the development and maintenance of healthy bone in both the adult and pediatric populations. Low level of 25-hydroxy vitamin D (25-(OH)-D) is highly prevalent in children worldwide and has been linked to various adverse health outcomes including rickets, osteomalacia, osteomalacic myopathy, sarcopenia, and weakness, growth retardation, hypocalcemia, seizure and tetany, autism, cardiovascular diseases, diabetes mellitus, cancers (prostate, colon, breast), infectious diseases (viral, tuberculosis), and autoimmune diseases, such as multiple sclerosis and Hashimoto's thyroiditis...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28192579/infectious-diseases-and-immunizations-in-international-adoption
#16
Emily Obringer, Linda Walsh
Children who are adopted internationally have an increased risk of infectious diseases due to endemic conditions and variable access to preventive health care, such as vaccines, in their country of origin. Pediatricians and other providers who care for children should be familiar with the recommended screening for newly arrived international adoptees. Testing for gastrointestinal pathogens, tuberculosis, hepatitis, syphilis, and HIV should be routinely performed. Other endemic diseases and common skin infections may need to be assessed...
February 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28192578/when-the-great-masquerader-reveals-itself-tuberculosis
#17
Brittany Hodgson, Benjamin D Kornfeld, Bridget M Wild
Pneumonia is a clinical diagnosis often treated empirically and successfully on an outpatient basis. When a patient fails to improve, the clinician is left to revisit the differential of pathogens and reconsider the host. Admission, imaging, and invasive and noninvasive testing are part of the toolkit for the severe or atypical case of pneumonia. For fastidious organisms, achieving a culture-proven diagnosis can be quite difficult. This article discusses the screening and testing for tuberculosis, reviews the utility of computed tomography imaging and bronchoscopy with bronchoalveolar lavage in severe or atypical pneumonia, and highlights the barriers to definitive diagnosis even when the causative microbe is on the differential diagnosis when a patient is admitted...
February 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28188122/drug-resistance-detection-and-mutation-patterns-of-multidrug-resistant-tuberculosis-strains-from-children-in-delhi
#18
Jyoti Arora, Ritu Singhal, Manpreet Bhalla, Ajoy Verma, Niti Singh, Digamber Behera, Rohit Sarin, Vithal Prasad Myneedu
A total of 312 sputum samples from pediatric patients presumptive of multidrug resistant tuberculosis were tested for the detection of drug resistance using the GenoTypeMTBDRplus assay. A total of 193 (61.8%) patients were smear positive and 119 (38.1%) were smear negative by Ziehl-Neelsen staining. A line probe assay was performed for 208 samples/cultures (193 smear positive samples and 15 cultures from smear negative samples). Valid results were obtained from 198 tests. Some 125/198 (63.1%) were sensitive to both rifampicin (RIF) and isoniazid (INH), while 73/198 (36...
February 7, 2017: Journal of Epidemiology and Global Health
https://www.readbyqxmd.com/read/28164036/primary-extrapulmonary-multidrug-resistant-tuberculosis-in-an-immunocompetent-child-presenting-with-pleural-effusion
#19
Sankalp Yadav, Gautam Rawal
The developing countries are having a number of public health issues. The situation in these resource-limited countries is scary due to the huge burden of infectious diseases like tuberculosis (TB). The latest reports from the WHO shows a high number of drug resistant cases even in the pediatric age groups. Also, the lack of suspicion of drug resistant TB (DR-TB) in the pediatric cases, especially in the absence of a past or family history may lead to delay in diagnosis and flaring-up of the disease. We herein present the very first case of the primary multidrug-resistant TB in an HIV negative child who presented with the left sided pleural effusion...
January 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28163438/a-rare-case-of-cardiac-tumor-in-a-child
#20
Mallar Mukharjee, Jigna N Bathia, Apurba Ghosh, Anil Kumar Singhi
Pediatric cardiac tumors are rare and usually benign. An infectious etiology like tuberculosis invading myocardium and presenting as infiltrative mass is extremely rare. We present a case of a 15 month old girl with clinical feature of cardiac failure who had infiltrative multiple myocardial masses in echocardiogram. Advanced cardiac imaging by Cardiac Magnetic resonance imaging (MRI) helped in tissue delineation. Therapeutic trial of anti-tubercular drugs in view clinical suspicion of Tuberculosis resulted in complete remission of symptom and disappearance of the cardiac mass...
January 2017: Annals of Pediatric Cardiology
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