Impact of different COVID-19 waves on kidney replacement therapy epidemiology and mortality: REMER 2020.

BACKGROUND: Kidney replacement therapy (KRT) confers the highest risk of death from coronavirus disease 2019 (COVID-19). However, most data refer to the early pandemic waves. Whole-year analysis compared with prior secular trends are scarce. METHODS: We present the 2020 REMER Madrid KRT registry, corresponding to the Spanish Region hardest hit by COVID-19. RESULTS: In 2020, KRT incidence decreased 12% versus 2019, while KRT prevalence decreased by 1.75% for the first time since records began and the number of kidney transplants (KTs) decreased by 16%. Mortality on KRT was 10.2% (34% higher than the mean for 2008-2019). The 2019-2020 increase in mortality was larger for KTs (+68%) than for haemodialysis (+24%) or peritoneal dialysis (+38%). The most common cause of death was infection [n = 419 (48% of deaths)], followed by cardiovascular [n = 200 (23%)]. Deaths from infection increased by 167% year over year and accounted for 95% of excess deaths in 2020 over 2019. COVID-19 was the most common cause of death (68% of infection deaths, 33% of total deaths). The bulk of COVID-19 deaths [209/285 (73%)] occurred during the first COVID-19 wave, which roughly accounted for the increased mortality in 2020. Being a KT recipient was an independent risk factor for COVID-19 death. CONCLUSIONS: COVID-19 negatively impacted the incidence and prevalence of KRT, but the increase in KRT deaths was localized to the first wave of the pandemic. The increased annual mortality argues against COVID-19 accelerating the death of patients with short life expectancy and the temporal pattern of COVID-19 mortality suggests that appropriate healthcare may improve outcomes.

Documento de consenso para la formación en ecografía en la especialidad de Nefrología / Consensus document for ultrasound training in the specialty of Nephrology

La ecografía es una herramienta esencial en el manejo del paciente nefrológico que permite el diagnóstico, el seguimiento y la realización de intervencionismo sobre el riñón. La utilidad de los ultrasonidos en Nefrología no se circunscribe exclusivamente al estudio ecográfico del riñón. Mediante ecografía el nefrólogo puede, además, optimizar el manejo de la fístula arteriovenosa para hemodiálisis, medir el riesgo cardiovascular (grosor íntima-media), implantar catéteres centrales para hemodiálisis ecoguiados y ayudar en la colocación de los peritoneales, así como calcular la volemia del paciente mediante ecografía cardiaca básica, ecografía de la vena cava inferior y pulmonar. Desde el Grupo de Trabajo en Nefrología Diagnóstica e Intervencionista (GNDI) de la Sociedad Española de Nefrología (SEN) hemos elaborado este documento de consenso en el que se resumen las principales aplicaciones de la ecografía en Nefrología, incluyendo los requisitos técnicos básicos necesarios, el marco normativo y el nivel de capacitación de los nefrólogos en esta materia. El objetivo de este trabajo es promover la inclusión de la ecografía, tanto diagnóstica como intervencionista, en la práctica clínica habitual del nefrólogo y en la cartera de servicios de Nefrología con la finalidad de ofrecer un manejo diligente, eficiente e integral al paciente nefrológico

Ultrasound is an essential tool in the management of the nephrological patient allowing the diagnosis, monitoring and performance of kidney intervention. However, the usefulness of ultrasound in the hands of the nephrologist is not limited exclusively to the ultrasound study of the kidney. By ultrasound, the nephrologist can also optimize the management of arteriovenous fistula for hemodialysis, measure cardiovascular risk (mean intimate thickness), implant central catheters for ultrasound-guided HD, as well as the patient's volemia using basic cardiac ultrasound, ultrasound of the cava inferior vein and lungs. From the Working Group on Interventional Nephrology (GNDI) of the Spanish Society of Nephrology (SEN) we have prepared this consensus document that summarizes the main applications of ultrasound to Nephrology, including the necessary basic technical requirements, the framework normative and the level of training of nephrologists in this area. The objective of this work is to promote the inclusion of ultrasound, both diagnostic and interventional, in the usual clinical practice of the nephrologist and in the Nephrology Services portfolio with the final objective of offering diligent, efficient and comprehensive management to the nephrological patient

Consensus document for ultrasound training in the specialty of Nephrology. / Documento de consenso para la formación en ecografía en la especialidad de Nefrología.

Ultrasound is an essential tool in the management of the nephrological patient allowing the diagnosis, monitoring and performance of kidney intervention. However, the usefulness of ultrasound in the hands of the nephrologist is not limited exclusively to the ultrasound study of the kidney. By ultrasound, the nephrologist can also optimize the management of arteriovenous fistula for hemodialysis, measure cardiovascular risk (mean intimate thickness), implant central catheters for ultrasound-guided HD, as well as the patient's volemia using basic cardiac ultrasound, ultrasound of the cava inferior vein and lungs. From the Working Group on Interventional Nephrology (GNDI) of the Spanish Society of Nephrology (SEN) we have prepared this consensus document that summarizes the main applications of ultrasound to Nephrology, including the necessary basic technical requirements, the framework normative and the level of training of nephrologists in this area. The objective of this work is to promote the inclusion of ultrasound, both diagnostic and interventional, in the usual clinical practice of the nephrologist and in the Nephrology Services portfolio with the final objective of offering diligent, efficient and comprehensive management to the nephrological patient.

Diagnostic and Interventional Nephrology in Spain: A snapshot of current situation.

BACKGROUND:: Diagnostic and Interventional Nephrology has been a rising field in recent years worldwide. Catheter insertion, renal biopsy, renal ultrasound, and peritoneal dialysis catheter or permanent dialysis catheter insertion are vital to our specialty. At present, many of these procedures are delegated to other specialties, generating long waiting lists and limiting diagnosis and treatment. METHODS:: An online survey was emailed to all Nephrology departments in Spain. One survey response was allowed per center. RESULTS:: Of 195 Nephrology departments, 70 responded (35.8%). Of them, 72.3% (52) had ultrasound equipment, 77.1% insert temporary jugular catheters, and 92.8% femoral. Up to 75.7% (53 centers) perform native renal biopsies, of which 35.8% (19) are real-time ultrasound guided by nephrologists. Transplant kidney biopsies are done in 26 centers, of which 46.1% (12) by nephrologists. Tunneled hemodialysis catheters are inserted in 27 centers (38.5%), peritoneal catheter insertion in 18 (31.6%), and only 2 centers (2.8%) perform arteriovenous fistulae angioplasty. In terms of ultrasound imaging, 20 centers (28.5%) do native renal ultrasound and 16 (22.8%) transplanted kidneys. Of all units 71.4% offer carotid ultrasound to evaluate cardiovascular risk, only in 15 centers (21%) by nephrologists. AVF ultrasound scanning is done in 55.7% (39). CONCLUSION:: Diagnostic and Interventional Nephrology is slowly spreading in Spain. It includes basic techniques to our specialty, allowing nephrologists to be more independent, efficient, and reducing waiting times and costs, overall improving patient care. Nowadays, more nephrologists aim to perform them. Therefore, appropriate training on different techniques should be warranted, implementing an official certification and teaching programs.

Situación de la nefrología diagnóstica e intervencionista en España / Performance of diagnostic and interventional nephrology in Spain

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Creación del Grupo de Trabajo en Nefrología Diagnóstica e Intervencionista de la Sociedad Española de Nefrología / Creation of the Working Group on Diagnostic and Interventional Nephrology of the Spanish Society of Nephrology

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