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https://www.readbyqxmd.com/read/28702025/cellular-and-molecular-defects-underlying-invasive-fungal-infections-revelations-from-endemic-mycoses
#1
REVIEW
Pamela P Lee, Yu-Lung Lau
The global burden of fungal diseases has been increasing, as a result of the expanding number of susceptible individuals including people living with human immunodeficiency virus (HIV), hematopoietic stem cell or organ transplant recipients, patients with malignancies or immunological conditions receiving immunosuppressive treatment, premature neonates, and the elderly. Opportunistic fungal pathogens such as Aspergillus, Candida, Cryptococcus, Rhizopus, and Pneumocystis jiroveci are distributed worldwide and constitute the majority of invasive fungal infections (IFIs)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28691431/low-dose-computed-tomography-in-assessment-of-pulmonary-abnormalities-in-children-with-febrile-neutropenia-suffering-from-malignant-diseases
#2
Urszula Zaleska-Dorobisz, Cyprian Michal Olchowy, Mateusz Łasecki, Dąbrówka Sokołowska-Dąbek, Aleksander Pawluś, Jowita Frączkiewicz, Ewa Gorczyńska
BACKGROUND: Management of febrile neutropenia in pediatric patients is challenging. Chest X-ray and CT help to identify infective foci; however, exposure to radiation is a risk factor for development of secondary cancer. For this reason, attention is paid to reduce radiation exposure. OBJECTIVES: TTo define the role of LDCT examination in early detection of pulmonary lesions in children during oncology or autoimmune treatment complicated by neutropenia related fever...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28690727/-clinical-and-immunological-profile-of-15-moroccan-patients-with-hyper-igm-syndrome
#3
Hind Ouair, Ibtihal Benhsaien, Leila Jeddane, Jalila El Bakkouri, Naima Elhafidi, Noureddine Rada, Jilali Najib, Fatima Ailal, Hanane Salih Alj, Ahmed Aziz Bousfiha
Hyper IgM syndrome is a well known genetic (primary) immunodeficiency disorder which was first described in 1961. It is caused by B lymphocyte deficiency characterized by normal or elevated serum IgM levels and low or zero levels of IgG, IgA, IgE resulting from isotype-switching deficiency. Clinical manifestations are dominated by recurrent infections, especially involving the digestive tube of the ENT sphere and the lungs. This syndrome is caused by B-cell immunoglobulin class switch deficiency and decreased capacity to induce proliferation of T lymphocytes...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28671170/platypnea-orthodeoxia-syndrome-in-idiopathic-pulmonary-fibrosis-with-pneumocystis-jiroveci-pneumonia
#4
R Swapna, Rahul Roshan, Sunil K Chhabra
Platypnea-orthodeoxia syndrome (POS), the occurrence of dyspnea and arterial desaturation on changing from supine to sitting position, is a very rare phenomenon. Most case reports have been in association with an intra-atrial communication, and observation of this unusual physiological abnormality in pulmonary conditions has been extremely rare. We present a case of idiopathic pulmonary fibrosis where the patient developed characteristic symptoms of POS when it was complicated by Pneumocystis jiroveci pneumonia...
July 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28623951/progressive-respiratory-distress-in-a-42-year-old-hiv-positive-woman-with-systemic-lupus-erythematosus
#5
Katongo Mutengo, Patrice Mukomena, Nason Lambwe, Owen Ngalamika
BACKGROUND: Identifying and treating the cause of pulmonary symptoms in HIV patients with underlying systemic lupus erythematosus (SLE) can be very challenging. Delays in diagnosing active SLE in HIV patients can lead to significant morbidity and even mortality. We report the case of an HIV-positive woman with SLE who presented with severe respiratory distress. CASE PRESENTATION: A 42-year-old HIV-positive woman presented with a 7-month history of anorexia, progressive dyspnoea, and a productive cough...
June 17, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28616377/blue-after-splenectomy
#6
Taaran Cariappa Ballachanda Subbaiah, Jeremy P Feldman
INTRODUCTION: We present a 51 year old, African American, female who presented with persistent hypoxemia. She had been taking dapsone for many years for prophylaxis against Pneumocystic Jiroveci with no symptoms but eventually developed methemoglobinemia only after a splenectomy. From our literature review there are no documented cases that have demonstrated this relationship between dapsone, splenic function and methemoglobin and we hope to share our perplexing case and shed light on the interaction...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28516132/life-threatening-hypercalcemia-during-prodrome-of-pneumocystis-jiroveci-pneumonia-in-an-immunocompetent-infant
#7
Judith Sebestyen VanSickle, Tarak Srivastava, Uri S Alon
Severe hypercalcemia in infants is usually attributed to genetic etiologies and less commonly to acquired ones. An 8-week-old girl presented with failure to thrive, mild respiratory distress, and life-threatening hypercalcemia (23.5 mg/dL). Serum 1,25(OH)2-vitamin D (1,25(OH)2-D) level was elevated and parathyroid hormone undetectable. Evaluation for genetic mutations and malignant etiologies of hypercalcemia was negative. Treatment with intravenous hydration, loop diuretic, and calcitonin failed to correct the hypercalcemia, which was subsequently controlled with bisphosphonate therapy...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28507640/histopathological-features-of-methotrexate-induced-pulmonary-lesions-in-rheumatoid-arthritis-patients-a-systematic-review-of-case-reports
#8
REVIEW
Anthony Thaniyan, Foad F A Ayman, Hyder O Mirghani, Badr A Al-Sayed, Tarig H Merghani
BACKGROUND: Methotrexate (MTX) is the most commonly used disease-modifying drug in the treatment of rheumatoid arthritis (RA); however, it causes many side effects, including pulmonary lesions. In this review, we characterised the histopathological features of MTX-induced pulmonary lesions in RA patients. AIM: We carried out an electronic search of the relevant literature published during the period from 1990 to 2016. We included only the cases with definitive histo-pathological findings caused by MTX therapy...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28505159/infectious-disease-ward-admission-positively-influences-p-jiroveci-pneumonia-pjp-outcome-a-retrospective-analysis-of-116-hiv-positive-and-hiv-negative-immunocompromised-patients
#9
Alessandra Ricciardi, Elisa Gentilotti, Luigi Coppola, Gaetano Maffongelli, Carlotta Cerva, Vincenzo Malagnino, Alessia Mari, Ambra Di Veroli, Federica Berrilli, Fabiana Apice, Nicola Toschi, David Di Cave, Saverio Giuseppe Parisi, Massimo Andreoni, Loredana Sarmati
P. jiroveci (Pj) causes a potentially fatal pneumonia in immunocompromised patients and the factors associated with a bad outcome are poorly understood. A retrospective analysis on Pj pneumonia (PjP) cases occurring in Tor Vergata University Hospital, Italy, during the period 2011-2015. The patients' demographic, clinical and radiological characteristics and the Pj genotypes were considered. The study population included 116 patients, 37.9% of whom had haematological malignancy or underwent haematological stem cell transplantation (HSCT), 22...
2017: PloS One
https://www.readbyqxmd.com/read/28469989/drug-induced-hypersensitivity-reaction-a-case-of-simultaneous-thyroiditis-and-fulminant-type-1-diabetes
#10
Michael Marchese, Matthew Leinung, Hassan Shawa
A 43-year-old incarcerated man with AIDS was hospitalized for 30 pounds weight loss and diffuse pruritic rash. Three months prior, he was started on dapsone for Pneumocystis jiroveci pneumonia prevention. Biochemical evaluation was remarkable for eosinophilia, thrombocytopenia, acute renal insufficiency, transaminitis, thyrotoxicosis, and significant hyperglycemia (450 mg/dl; nl, 65-99). His hemoglobin A1c level was 5.9% (nl, 4.1-5.6). Thyroid-stimulating immunoglobulin, glutamic acid decarboxylase, and islet cell autoantibodies were within the normal range...
April 2017: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/28453022/-evolution-of-epidemiological-and-clinical-characteristics-of-adults-patients-belonging-to-the-national-program-at-start-of-antiretroviral-therapy-in-the-chilean-aids-cohort-2001-2015
#11
Carlos Beltrán, Pedro Zitko, Marcelo Wolff, Fernando Bernal, Alicia Asenjo, Ana M Fernández, Ana Miles, Elizabeth Barthel, Gonzalo Wilson
BACKGROUND: Chilean AIDS Cohort is the oldest and extensive in Latin America and one of most numerous and with longer follow up time to international level. Records information from 14,873 patients out of approximately 22,000 in antiretroviral therapy in the public system and its results have allowed to know the national reality and have contributed to the adoption of public policies. AIM: To describe the demographic, clinical and immunological characteristics of patients who have started ART in Chile and its evolution over the past 15 years...
October 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28393663/herpes-simplex-virus-cytomegalovirus-and-pneumocystis-jiroveci-pneumonia-in-a-treatment-naive-hiv-positive-patient-with-pulmonary-alveolar-proteinosis-case-report
#12
Anita Bapat, Eliahu Bishburg, Sandhya Nagarakanti
Infection with multiple pathogens concurrently has become less common since the introduction of potent antiretroviral agent and effective prophylactic agents. We describe a patient with pulmonary alveolar proteinosis (PAP) admitted with pneumonia who was found to have AIDS and diagnosed with Pneumocystis jiroveci pneumonia, human herpesvirus type 1 (HHV-1), and a concomitant cytomegalovirus viremia. Polymerase chain reaction viral load was used for diagnosis of HHV-1 and follow-up. The patient was treated with trimethoprim-sulfamethoxazole and ganciclovir and had a resolution of pneumonia...
January 1, 2017: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/28364381/adalimumab-with-methotrexate-in-treatment-na%C3%A3-ve-japanese-patients-with-rheumatoid-arthritis-at-risk-of-progressive-structural-joint-damage-a-postmarketing-observational-study
#13
Yukiko Ito, Kaori Hozumi, Yukiko Okada, Sarina Kurimoto
INTRODUCTION: The objective of this study was to evaluate the real-world safety and effectiveness of adalimumab with methotrexate (MTX) in disease-modifying antirheumatic drug (DMARD)- and biologic-naïve Japanese patients with rheumatoid arthritis (RA) at risk of progressive structural joint damage. METHODS: This multicenter, prospective, observational, postmarketing surveillance study was conducted between February 2013 and April 2015 at 84 centers in Japan. Patients with RA at risk of progressive structural joint damage were enrolled and initiated treatment with adalimumab and MTX...
June 2017: Rheumatology and Therapy
https://www.readbyqxmd.com/read/28361121/a-systematic-review-and-meta-analysis-of-the-data-behind-current-recommendations-for-corticosteroids-in-non-hiv-related-pcp-knowing-when-you-are-on-shaky-foundations
#14
Patil Injean, Samantha J Eells, Hoover Wu, Imani McElroy, Aric L Gregson, James A McKinnell
BACKGROUND: Randomized trials show a mortality benefit to adjunctive corticosteroids for human immunodeficiency virus (HIV)-related Pneumocystis jiroveci pneumonia (HIV-PCP). Guidelines for non-HIV PCP (NH-PCP) recommend adjunctive corticosteroids based on expert opinion. We conducted a systematic review and meta-analysis characterizing adjunctive corticosteroids for NH-PCP. METHODS: We searched MEDLINE from 1966 through 2015. Data on clinical outcomes from NH-PCP were extracted with a standardized instrument...
March 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28346081/pneumocystis-jiroveci-pneumonia-pjp-in-non-hiv-immunocompromised-individuals
#15
Kathleen Schoovaerts, Luc Dirix, Annemie Rutten, Jef Van Schaeren, Bruno Van Herendael, Sofie Van Grieken, Luc Heytens
OBJECTIVES: PJP is a major cause of morbidity and mortality in immunocompromised individuals. Diagnosing PJP is often difficult because respiratory signs might be minimal or absent and the sensitivity of a chest X-ray (CXR) is low. We studied the clinical risk factors in order to increase awareness and facilitate the diagnosis. METHODS: We studied a prospective case series over a one year period (from 1 January 2015 to 1 January 2016) and did a retrospective analysis (from 2013 to 2016) of all PJP positive bronchoalveolar lavage (BAL) analysis...
March 27, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28280256/late-onset-cerebral-toxoplasmosis-after-allogeneic-hematopoietic-stem-cell-transplantation
#16
Ahmed M Khalaf, Mahmoud A Hashim, Mohammed Alsharabati, Kenneth Fallon, Joel K Cure, Peter Pappas, Shin Mineishi, Ayman Saad
BACKGROUND Toxoplasmosis is an uncommon but potentially fatal complication following allogeneic hematopoietic stem cell transplantation (HCT). Post-transplant toxoplasmosis is often a reactivation of prior infection and typically occurs within the first 6 months of transplant. Herein, we report that cerebral toxoplasmosis may occur 22 months after allogeneic hematopoietic stem cell transplantation. CASE REPORT We describe a case of cerebral toxoplasmosis that occurred 22 months after an allogeneic HCT while the patient was on aerosolized pentamidine for Pneumocystis jiroveci pneumonia (PCP) prophylaxis...
March 10, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28217822/how-to-diagnose-early-5-azacytidine-induced-pneumonitis-a-case-report
#17
Srimanta Chandra Misra, Laurence Gabriel, Eric Nacoulma, Gérard Dine, Valentina Guarino
Interstitial pneumonitis is a classical complication of many drugs. Pulmonary toxicity due to 5-azacytidine, a deoxyribonucleic acid methyltransferase inhibitor and cytotoxic drug, has rarely been reported. We report a 67-year-old female myelodysplastic syndrome patient treated with 5-azacytidine at the conventional dosage of 75 mg/m(2) for 7 days. One week after starting she developed moderate fever along with dry cough and subsequently her temperature rose to 39.5 °C. She was placed under broad-spectrum antibiotics based on the protocol for febrile neutropenia, including ciprofloxacin 750 mg twice daily, ceftazidime 1 g three times daily (tid), and sulfamethoxazole/trimethoprim 400 mg/80 mg tid...
December 2017: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/28149493/prevalence-of-colonization-and-mitochondrial-large-subunit-rrna-mutation-of-pneumocystis-jiroveci-among-iranian-children
#18
Parisa Badiee, Ali Rezapour, Amin Abbasian, Hamid Reza Foroutan, Hadis Jafarian
BACKGROUND AND OBJECTIVES: Pneumocystis jiroveci is an important causative agent of Pneumocystis pneumonia. During childhood, exposure to Pneumocystis occurs and antibody was built in early childhood. The aim of this study was to describe the molecular epidemiology of P. jiroveci in children without any respiratory syndrome and survey the distribution of different mitochondrial large subunit, ribosomal ribonucleic acid (mtLSU- rRNA) genotypes. MATERIALS AND METHODS: Mini-bronchoalveolar lavage (mini-BAL) fluids from pediatric patients with no history of lung disorders were obtained during a 14-month period...
October 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28145162/early-use-of-corticosteroids-in-infants-with-a-clinical-diagnosis-of-pneumocystis-jiroveci-pneumonia-in-malawi-a-double-blind-randomised-clinical-trial
#19
RANDOMIZED CONTROLLED TRIAL
Laura Newberry, Bernadette O'Hare, Neil Kennedy, Andrew Selman, Sofia Omar, Pamela Dawson, Kim Stevenson, Yo Nishihara, Samantha Lissauer, Elizabeth Molyneux
BACKGROUND: Pneumocystis jiroveci pneumonia (PJP) is the most common opportunistic infection in infants with vertically acquired HIV infection and the most common cause of death in HIV-infected infants. OBJECTIVES: To determine whether early administration of adjuvant corticosteroids in addition to standard treatment reduces mortality in infants with vertically acquired HIV and clinically diagnosed PJP when co-infection with cytomegalovirus and other pathogens cannot be excluded...
May 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28134084/pneumocystis-jiroveci-pneumonia-in-rheumatic-disease-a-20-year-single-centre-experience
#20
Christopher A Mecoli, Deanna Saylor, Allan C Gelber, Lisa Christopher-Stine
OBJECTIVES: Pneumocystis jiroveci pneumonia (PJP) is an opportunistic infection with high mortality among patients with underlying rheumatologic conditions. Given the paucity of prospective data to guide treatment, clinical guidelines to initiate PJP prophylaxis are based on expert opinion and identify patients on ≥20 mg daily prednisone for ≥4 weeks duration for treatment. Herein we describe the PJP experience in rheumatic disease over a 20-year period at a single academic medical centre to investigate this 20 mg threshold and risk associated with lymphocyte counts, co-existing lung disease and immunosuppressive medications...
January 27, 2017: Clinical and Experimental Rheumatology
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