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Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

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Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
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Chronic Kidney Disease I: Introduction01:25

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Chronic Kidney Disease (CKD) arises when the kidneys progressively lose their ability to function, ultimately leading to end-stage renal disease. At this advanced stage, the kidneys can no longer filter waste or maintain essential body functions, requiring renal replacement therapy (RRT) through dialysis or a kidney transplant for survival.Early-stage chronic kidney disease and detection challengesIn CKD's early stages, symptoms often remain absent because healthy nephrons compensate for...
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Chronic Kidney Disease III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

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Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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Factors Affecting Renal Clearance: Renal Impairment01:17

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Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
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Acute Kidney Injury II: Pathophysiology01:29

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Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
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Updated: Aug 23, 2025

Assessment of Vascular Function in Patients With Chronic Kidney Disease
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Disfunción renal de leve a moderada y enfermedad cardiovascular: análisis de observación y aleatorización mendeliana

Liam Gaziano1,2,3, Luanluan Sun1,2, Matthew Arnold

  • 1Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA (L.G., K.C., R.J.S., D.C.P., P.S., J.J., J.P.C., J.M.G.).

Circulation
|October 31, 2022
PubMed
Resumen
Este resumen es generado por máquina.

La disfunción renal leve a moderada aumenta causalmente el riesgo de enfermedad coronaria (CHD) en individuos sin enfermedad cardiovascular o diabetes previa. Este hallazgo enfatiza la importancia de la preservación de la función renal para la salud cardiovascular.

Palabras clave:
Enfermedades cardiovascularesEnfermedad coronariaEnfermedades renalesel golpe

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Área de la Ciencia:

  • Nefrología
  • Cardiología
  • La genética

Sus antecedentes:

  • La enfermedad renal terminal (ERF) es un factor de riesgo conocido para eventos cardiovasculares.
  • La relación causal entre la disfunción renal leve a moderada y la enfermedad coronaria (CHD) o el accidente cerebrovascular sigue sin estar clara.

Objetivo del estudio:

  • Investigar el vínculo causal entre la tasa de filtración glomerular estimada (eGFR) y el riesgo de enfermedad coronaria incidente y accidente cerebrovascular.
  • Para determinar si el deterioro de la función renal, incluso en sus primeras etapas, contribuye al desarrollo de enfermedades cardiovasculares.

Principales métodos:

  • Se utilizaron datos a nivel individual de cuatro grandes estudios de población (Colaboración de Factores de Riesgo Emergentes, EPIC-CVD, Programa de Millón de Veteranos, Biobanco del Reino Unido).
  • Se realizaron análisis de aleatorización mendeliana utilizando una puntuación de riesgo genético para eGFR en más de 413.000 participantes.
  • Se analizaron los incidentes de ECC y accidente cerebrovascular durante 6,8 millones de años-persona de seguimiento.

Principales resultados:

  • Los análisis observacionales revelaron asociaciones en forma de U entre el eGFR y el riesgo cardiovascular.
  • La aleatorización mendeliana mostró un aumento del 14% en el riesgo de enfermedad coronaria por 5 mL·min−1,73 m−2 menos eGFR genéticamente predicho en participantes con eGFR < 60 mL·min−1,73 m−2.
  • No se encontró una asociación significativa para eGFR > 105 mL·min−1.73 m−2; los resultados del ictus no fueron significativos pero consistentes.

Conclusiones:

  • La disfunción renal leve a moderada está causalmente asociada con un mayor riesgo de enfermedad coronaria en individuos sin enfermedad cardiovascular o diabetes preexistentes.
  • Estos hallazgos subrayan la importancia de mantener y controlar la función renal como estrategia preventiva para la salud cardiovascular.