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1.
Ann Med Surg (Lond) ; 86(6): 3530-3534, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38846833

RESUMO

This article discusses the prevalence and impact of pharmacologically-induced mydriasis, a condition where the pupil becomes excessively dilated due to certain drugs. It highlights the challenges faced by medical professionals in dealing with this condition and the limitations of current treatments, like pilocarpine and dapiprazole, which come with systemic side effects and specific contraindications, limiting their regular use. The article introduces Ryzumvi, a novel ophthalmic solution approved by the US FDA, which effectively reverses mydriasis caused by adrenergic agonists and antimuscarinic drugs. The article provides insights into its mechanism of action, clinical efficacy, pharmacokinetics, safety, and tolerance based on extensive clinical trials. It emphasizes its rapid onset of action and effectiveness in restoring pupils to their initial size. It also underlines the potential for expanded applications, including in pediatric patients, solidifying its importance in the field of ophthalmology. Furthermore, Ryzumvi represents a promising advancement in managing pharmacologically-induced mydriasis, offering swift and effective relief while highlighting the importance of adhering to safety precautions and the continuous research and development efforts in ophthalmology to comprehensively address vision-related disorders and enhance patient outcomes.

2.
Neurosurg Rev ; 47(1): 252, 2024 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-38822140

RESUMO

This Article provides a concise summary of the comprehensive exploration into the dura mater, dural tears, and the groundbreaking medical device, ArtiFascia® Dura Substitute. The neuroanatomy of the dura mater is elucidated, emphasizing its resilience and susceptibility to tears during spinal surgery. Dural repair methods are scrutinized, with research findings revealing the efficacy of primary closure with or without a patch.The introduction of ArtiFascia®, a nanofiber-based resorbable dural repair graft, represents a pivotal moment in neurosurgery. Obtaining 510(k) clearance from the FDA, ArtiFascia® demonstrates exceptional biological benefits, including enhanced cellular adhesion and tissue regeneration. The device's safety is affirmed through chemical analysis and toxicological risk assessment.The NEOART study, a randomized clinical trial involving 85 subjects across prominent European medical centers, validates ArtiFascia®'s superiority over existing dural substitutes. Noteworthy findings include exceptional graft strength, durability, and its ability to withstand physiological pressures.In conclusion, ArtiFascia® marks a revolutionary era in neurosurgery, promising safer and more effective solutions. This innovative device has the potential to elevate standards of care, offering both patients and surgeons an improved experience in navigating the complexities of neurosurgical procedures. The abstract encapsulates the key elements of the research, emphasizing the transformative impact of ArtiFascia® in the field.


Assuntos
Dura-Máter , Procedimentos Neurocirúrgicos , Humanos , Dura-Máter/cirurgia , Procedimentos Neurocirúrgicos/métodos , Neurocirurgia/métodos , Nanofibras
4.
Ann Med Surg (Lond) ; 86(4): 2032-2048, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38576920

RESUMO

This review delves into the strategies for early detection and characterization of Naegleria fowleri infections leading to primary amoebic meningoencephalitis (PAM). The study provides an in-depth analysis of current diagnostic approaches, including cerebrospinal fluid analysis, brain tissue examination, immunostaining techniques, and culture methods, elucidating their strengths and limitations. It explores the geographical distribution of N. fowleri, with a focus on regions near the equator, and environmental factors contributing to its prevalence. The review emphasizes the crucial role of early detection in PAM management, discussing the benefits of timely identification in treatment, personalized care, and prevention strategies. Genomic profiling techniques, such as conventional PCR, nested PCR, multiplex PCR, and real-time PCR, are thoroughly examined as essential tools for accurate and prompt diagnosis. Additionally, the study explores advanced microscopic imaging techniques to characterize N. fowleri's morphology and behavior at different infection stages, enhancing our understanding of its life cycle and pathogenic mechanisms. In conclusion, this review underscores the potential of these strategies to improve our ability to detect, understand, and combat N. fowleri infections, ultimately leading to better patient outcomes and enhanced public health protection.

5.
Ann Med Surg (Lond) ; 86(3): 1540-1549, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38463109

RESUMO

Japanese encephalitis virus (JEV), an RNA virus transmitted by Culex mosquitoes, primarily cycles between aquatic birds and mosquitoes with pigs as amplifying hosts, posing a significant global encephalitis threat. The emergence and spread of the JEV in new epidemiological regions, such as recent cases in Australia and nonendemic areas like Pune, India, raise significant concerns. With an estimated 68 000 clinical cases and 13 600 to 20 400 deaths annually, JEV poses a substantial global health threat. The virus primarily affects children, with a case-fatality ratio of 20-30% and long-term neurological sequelae in survivors. The changing epidemiology, influenced by factors like bird migration, climate change, and increased urbanization, contributes to the geographic expansion of JEV. The recent outbreaks underscore the potential for the virus to establish itself in nonendemic regions, posing a threat to populations previously considered at low-risk. With limited treatment options and high rates of neurological complications, continued surveillance, traveler vaccination, and research into treatments are crucial to mitigate the impact of JEV on human health. The evolving scenario necessitates proactive measures to prevent and control the spread of the virus in both endemic and newly affected areas.

6.
Ann Med Surg (Lond) ; 85(12): 6298-6301, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-38098548

RESUMO

This article provides an updated overview of Vyjuvek, a Food and Drug Administration (FDA) approved medication and its potential in managing dystrophic epidermolysis bullosa (DEB). DEB is a rare genetic disorder characterized by skin fragility, blistering, wounds, and scarring. The underlying cause of DEB is the impaired production of type VII collagen (COL7), leading to weakened anchoring fibrils in the skin. Vyjuvek is the first topical gene therapy for DEB, utilizing a genetically modified HSV-1 (herpes simplex virus 1) vector to express human COL7 and promote wound healing. Clinical trials have shown that Vyjuvek increases the probability of complete wound healing compared to placebo. Although further research is needed, Vyjuvek represents a significant advancement in addressing the unmet medical needs of patients with DEB, offering hope for improved quality of life and long-term complication reduction.

8.
Rare Tumors ; 15: 20363613231207483, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37840703

RESUMO

Multiple myeloma is the second most common plasma cell malignancy, characterized by uncontrolled proliferation of plasma cells within the bone marrow. ELREXFIO™ (elranatamab-bcmm) is a recently FDA-approved drug for relapsed and refractory multiple myeloma. The progression of multiple myeloma involves interactions with various bone marrow cell types, and targeting this microenvironment has shown promising results in inhibiting its growth and osteolysis. ELREXFIO, a bispecific antibody targeting CD3 and BCMA, activates cytotoxic T-lymphocyte responses against BCMA-expressing myeloma cells. Clinical trials, such as MagnetisMM-3, demonstrated significant response rates and long-term tolerability. Its approval offers hope to multiple myeloma patients, especially those with relapsed or refractory cases, as innovative therapies like ELREXFIO continue to improve outcomes in this challenging malignancy.

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