Splenic sequestration crisis is a life-threatening complication of sickle cell disease (SCD), characterized by a sudden and huge accumulation of blood in the spleen, leading to rapid enlargement and may lead to organ failure. This case report discusses an unusual case of a splenic sequestration crisis in an adult with SCD. The patient's age, Parvovirus B19 infection, and concurrent retrocardiac pneumonia are all things that differentiate this case from our usual presentation. We will be discussing the clinical presentation, diagnostic methods, and management.
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http://dx.doi.org/10.7759/cureus.60937 | DOI Listing |
J Am Chem Soc
January 2025
Department of Pharmacy, The First Affiliated Hospital of University of Science and Technology of China (USTC), Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, Anhui Province, China.
Thiol-maleimide (MI) chemistry is a cornerstone of bioconjugation strategies, particularly in the development of drug delivery systems. The cyclic arginine-glycine-aspartic acid (cRGD) peptide, recognized for its ability to target the integrin αβ, is commonly employed to functionalize maleimide-bearing nanoparticles (NPs) for fabricating cRGD-functionalized nanomedicines. However, the impact of cRGD density on tumor targeting efficiency remains poorly understood.
View Article and Find Full Text PDFJ Nanobiotechnology
December 2024
Department of Hepatobiliary Surgery, Renmin Hospital of Wuhan University, Wuhan, China.
Background: Extracellular vesicles (EVs) and extruded nanovesicles (ENVs) are promising nanovesicles (NVs) for drug delivery. However, the application of these NVs is strongly hindered by their short half-life in the circulation. Macrophages (Mφs) in the liver and spleen contribute to the rapid depletion of NVs, but the underlying mechanism is unclear.
View Article and Find Full Text PDFJ Infect Dis
November 2024
Centre for Translational Medicine and Parasitology, Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark.
Background: Acquired immunity to Plasmodium falciparum malaria is mainly mediated by immunoglobulin G (IgG) targeting erythrocyte membrane protein 1 (PfEMP1). These adhesins mediate infected erythrocyte (IE) sequestration, protecting IEs from splenic destruction. PfEMP1-specific IgG is therefore thought to protect mainly by inhibiting IE sequestration.
View Article and Find Full Text PDFPediatr Blood Cancer
February 2025
Department of Pediatrics, University of Rochester, Rochester, New York, USA.
J Pediatr Surg
November 2024
Medical Research Group of Egypt, Negida Academy, Arlington, MA, USA; Faculty of Medicine, Al-Azhar University, 11651 Cairo, Egypt.
Background: Sickle cell disease (SCD) patients encounter various complications, such as acute splenic sequestration crisis and hypersplenism that may require splenectomy. This systematic review and meta-analysis aims to clarify differences between total splenectomy (TS) or partial splenectomy (PS) in terms of hematological and postoperative outcomes.
Methods: We identified studies involving SCD patients who underwent PS or TS, whether open or laparoscopic, and whose hematological and operative outcomes were evaluated, through searching PubMed, Web of Science, Scopus, Embase and Cochrane databases from inception until June 2024.
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