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Contemporary Cytomegalovirus (CMV) Infections in Low-Risk CMV Seronegative Recipients of Solid Organ Transplants From CMV Seronegative Donors (D-/R-): Time to Reexamine Donor CMV Serostatus.
Clin Transplant
January 2025
Division of Infectious Diseases, Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA.
Background: Early posttransplant cytomegalovirus (CMV) infections in CMV seronegative solid organ transplant recipients (SOTR) with CMV seronegative donors (D-/R-) are often attributed transfusion-transmitted CMV. The prevalence of false-negative donor CMV serology in D-/R- SOTR with early CMV infections has not been explored.
Methods: We determined the frequency and characteristics of CMV DNAemia that occurred within 90 days of transplant among adult SOTR classified as D-/R- who underwent a first SOT at a single center between February 25, 2014 and February 25, 2024.
Ocular and Adnexal Diseases in Human Immunodeficiency Virus-Infected Pregnant Women Attending HIV Clinics in Ibadan, Nigeria.
J West Afr Coll Surg
October 2024
Adeoyo Maternity Teaching Hospital, Ibadan, Nigeria.
Background: Human immunodeficiency virus (HIV) is a lentivirus. It is transmitted through sexual intercourse, shared intravenous drugs, contaminated needle use, blood transfusion, and mother-to-child transmission. Of the patients with HIV, 50%-75% have ocular manifestations and this may be the primary presentation.
View Article and Find Full Text PDF405 nm violet-blue light inactivates hepatitis C cell culture virus (HCVcc) in ex vivo human platelet concentrates and plasma.
Sci Rep
December 2024
Division of Blood Components and Devices, Center for Biologics Evaluation and Research, FDA, Silver Spring, MD, 20993, USA.
Added safety measures coupled with the development and use of pathogen reduction technologies (PRT) significantly reduces the risk of transfusion-transmitted infections (TTIs) from blood products. Current approved PRTs utilize chemical and/or UV-light based inactivation methods. While the effectiveness of these PRTs in reducing pathogens are well documented, these can cause tolerable yet unintended consequences on the quality and efficacy of the transfusion products.
View Article and Find Full Text PDFSuccessful Management of Severe Dengue With Gastrointestinal Bleeding: A Case Report Highlighting Endoscopic Hemostasis.
Cureus
November 2024
Internal Medicine, Al Qassimi Hospital, Sharjah, ARE.
Dengue fever, caused by the dengue virus and transmitted by mosquitoes, poses a significant global health threat, particularly in tropical and subtropical regions. Severe cases can manifest as dengue hemorrhagic fever (DHF) or dengue shock syndrome, leading to complications such as plasma leakage, fluid accumulation, respiratory distress, severe bleeding, and organ impairment. Among these complications, gastrointestinal (GI) bleeding is particularly concerning due to its potential to rapidly deteriorate the patient's condition.
View Article and Find Full Text PDFDownregulation of IRF7-mediated type-I interferon response by LmCen parasites is necessary for protective immunity.
NPJ Vaccines
December 2024
Division of Emerging and Transfusion Transmitted Diseases, CBER, FDA, Silver Spring, MD, 20993, USA.
Leishmaniasis is a tropical disease caused by Leishmania parasites and currently has no licensed vaccines. We developed a dermotropic Leishmania major centrin gene-deleted strain (LmCen) as a live attenuated vaccine. Recent studies have shown that type I interferons (IFNs) play important roles in immunity to parasitic and viral pathogens.
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