J o u r n a l P r e -p r o o f SPECIAL ARTICLE Recommendations on the management of the SARS-Co V-2 coronavirus pandemic (Covid-19) in kidney transplant patients Recomendaciones en el manejo de la pandemia por coronavirus SARS-CoV-2 (Covid-19) en pacientes con trasplante renal SUMMARY The SARS-CoV-2 (Covid-19) coronavirus pandemic is evolving very quickly and means a special risk for both immunosuppressed and comorbid patients. Knowledge about this growing infection is also increasing although many uncertainties remain, especially in the kidney transplant population. This manuscript presents a proposal for action with general and specific recommendations to protect and prevent infection in this vulnerable population such as kidney transplant recipients.RESUMEN La pandemia de coronavirus del SARS-CoV-2 (Covid-19) está evolucionando muy rápidamente y significa un riesgo especial para pacientes inmunosuprimidos y con comorbilidad.. El conocimiento sobre esta creciente infección también está aumentando, aunque Page 4 of 19 J o u r n a l P r e -p r o o f persisten muchas incertidumbres, especialmente en la población de trasplante de riñón. Este manuscrito presenta una propuesta de acción con recomendaciones generales y específicas para proteger y prevenir la infección en esta población vulnerable, como los receptores de trasplante de riñón. Palabras clave: Covid-19, trasplante renal, inmunodeprimido, SARS-CoV-2.
Background: Chronic kidney disease (CKD) is an important independent risk factor for adverse cardiovascular events in patients waitlisted for kidney transplantation (KT). Although KT reduces cardiovascular risk, these patients still have a higher all-cause and cardiovascular mortality than the general population. This concerning situation is due to a high burden of traditional and nontraditional risk factors as well as uremia-related factors and transplant-specific factors, leading to 2 differentiated processes under the framework of CKD, atherosclerosis and arteriosclerosis. These can be initiated by insults to the vascular endothelial endothelium, leading to vascular calcification (VC) of the tunica media or the tunica intima, which may coexist. Several pathogenic mechanisms such as inflammation-related endothelial dysfunction, mineral metabolism disorders, activation of the renin-angiotensin system, reduction of nitric oxide, lipid disorders, and the fibroblast growth factor 23-klotho axis are involved in the pathogenesis of atherosclerosis and arteriosclerosis, including VC. Summary: This review focuses on the current understanding of atherosclerosis and arteriosclerosis, both in patients on the waiting list as well as in kidney transplant recipients, emphasizing the cardiovascular risk factors in both populations and the inflammation-related pathogenic mechanisms. Key Message: The importance of cardiovascular risk factors and the pathogenic mechanisms related to inflammation in patients waitlisted for KT and kidney transplant recipients.
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