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1.
Acta Biomed ; 94(6): e2023259, 2023 12 05.
Artigo em Inglês | MEDLINE | ID: mdl-38054673

RESUMO

Background and aim It has been shown that olfactory dysfunction is one of Coronavirus disease-2019 (COVID-19)common and puzzling symptoms that may persist weeks after the infection. This study aimed for the objective assessment of persisting olfactory dysfunction in post-COVID-19 patients. It also investigated the factors associated with the development of such symptoms in the Eastern Province of Saudi Arabia. METHODS: A cross-sectional study that was conducted in the Department of Physiology, College of Medicine, Imam Abdulrahman bin Faisal University, Khobar, Saudi Arabia. One hundred and forty-seven participants were included in this study, and sixty of them agreed  to participate in the objective testing using the Connecticut Chemosensory Clinical Research Center (CCCRC) olfaction test. RESULTS: There was a significant correlation between the following factors: (1) Persistence of anosmia/hyposmia and the time of onset of anosmia/hyposmia (P=0.015). (2) Persistence of anosmia/hyposmia and the duration of anosmia/hyposmia (P=0.012). (3) Duration of anosmia/hyposmia and the duration of COVID-19 symptoms (P=0.010). Interestingly, there was a significant association between the subjective participants' claim of anosmia/hyposmia and the score of their objective assessment (P=0.026). CONCLUSION: The current study demonstrated that post-COVID-19 participants with delayed onset of anosmia/hyposmia and/or longer duration of either anosmia/hyposmia or COVID-19 symptoms were prone to have persistent olfactory dysfunction. Further studies are necessary to uncover the underlying pathophysiology and management of this olfactory dysfunction in COVID-19 patients.


Assuntos
COVID-19 , Transtornos do Olfato , Humanos , COVID-19/complicações , COVID-19/epidemiologia , Anosmia/etiologia , Anosmia/complicações , Estudos Transversais , SARS-CoV-2 , Arábia Saudita/epidemiologia , Transtornos do Olfato/etiologia , Transtornos do Olfato/complicações
3.
Curr Opin Organ Transplant ; 28(1): 46-54, 2023 02 01.
Artigo em Inglês | MEDLINE | ID: mdl-36579684

RESUMO

PURPOSE OF REVIEW: The development of immune checkpoint inhibitor (ICI) immunotherapy has revolutionized the treatment of several cancers. Malignancies are one of the leading causes of death in solid organ transplant recipients (SOTRs). Although ICI treatment may be an effective option in treating malignancies in SOTRs, concerns about triggering allograft rejection have been raised in this population. Herein, we will review currently available data regarding patients, allograft and malignancy outcomes in SOTRs who received ICI therapy. RECENT FINDINGS: Cancer incidence is three to five-fold higher among SOTRs, compared with the general population. Skin cancer is the most prevalent cancer after transplant, followed by kidney cancer, lymphoma and Kaposi sarcoma. There are no large prospective studies evaluating ICI therapy's use for treating cancers in SOTRs. However, retrospective studies have shown that ICI treatment may be associated with improved malignancy outcomes and overall survival (OS). However, the risk of allograft rejection is high (around 40%) of whom about half lose their allograft. Maintaining higher levels of immunosuppression may be associated with a lower risk of allograft rejection, but potentially worse malignancy outcomes. SUMMARY: Although ICI treatment may be associated with improved patient and malignancy outcomes, the risk of allograft rejection and loss are high. Prospective studies are needed to confirm the benefits of ICI therapy in SOTRs and to evaluate the optimal immunosuppression regimen modifications, if any, to improve patient, malignancy and allograft outcomes in transplant recipients.


Assuntos
Transplante de Rim , Neoplasias , Transplante de Órgãos , Humanos , Transplante de Rim/efeitos adversos , Inibidores de Checkpoint Imunológico/efeitos adversos , Estudos Retrospectivos , Estudos Prospectivos , Neoplasias/tratamento farmacológico , Transplante de Órgãos/efeitos adversos
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