José Luis Teruel Hospital Ramón y Cajal · Lowrie, KI 2005; 68: 1344-1354 APPENDIX. Minimum total...

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José Luis Teruel Hospital Ramón y Cajal

Transcript of José Luis Teruel Hospital Ramón y Cajal · Lowrie, KI 2005; 68: 1344-1354 APPENDIX. Minimum total...

Page 1: José Luis Teruel Hospital Ramón y Cajal · Lowrie, KI 2005; 68: 1344-1354 APPENDIX. Minimum total surface area (BSA) double reciprocal relationship BSA Kt 1.20 37.6 122 38 0 BSA

José Luis TeruelHospital Ramón y Cajal

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EG Lowrie

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Kt   VUreamg/dl

Gu    V

Lu                            Mi                              Vi

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EG Lowrie

Lowrie EG, Teehan BP: Principles of prescribing dialysis therapy: Implementing recommendations from the National CooperativeDialysis Study (NCDS) Kidney Int 1983; 23 (Suppl 13): S113-S132Dialysis Study (NCDS). Kidney Int 1983; 23 (Suppl 13): S113-S132.

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Frank Gotch

Kidney Int 1985; 28: 526-534.

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Asociación entre mortalidad y Kt/Vy

RR

spKt/V

Chertow GM Owen WF Lazarus JM Lew NL Lowrie EGChertow GM, Owen WF, Lazarus JM, Lew NL, Lowrie EG.Kidney Int 1999; 56: 1872-1878.

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Asociación entre mortalidad y Kty

RR

Kt

Chertow GM, Owen WF, Lazarus JM, Lew NL, Lowrie EG.C e to G , O e , a a us J , e , o e GKidney Int 1999; 56: 1872-1878.

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Asociación entre mortalidad y Kt (Di)

RRRR

KtKt(Di) litros

Lowrie EG et al: Measurement of dialyzer clearance, dialysis time, and body size: Death risk relationships among patients. Kidney Int 2004; 66: 2077-2084.

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Kidney Int. 2015 Sep;88(3):460-5. Epub 2015 Jun 10.Once upon a time in dialysis: the last days of Kt/V?

1 1 1Vanholder R1, Glorieux G1, Eloot S1.

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CONTROVERSIA ACTUAL SOBRE DOSIS DE DIALISIS

¿Sigue siendo válido el Modelo Cinético de la Urea?

¿Hay que sustituir el Kt/V por el Kt?

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Modelo Cinético de la Urea

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NCDS 1983 Diálisis NCDS 1983 actual

Baja permeabilidad

Alta permeabilidadpermeabilidad permeabilidad

Escasa convección

Técnicas convectivas

La cinética de la urea apenas se modificaLa cinética de la urea apenas se modifica por la permeabilidad o la convección

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Relación entre la concentración de B‐2‐M y supervivencia

Lower B2M:  < 32,2 mg/LHigher B2M: ≥ 32,2 mg/L

Cheung: Estudio HEMO. JASN 2006; 17:546

Okuno, NDT 2009; 24: 571

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Otros datos que proporciona el MCU

G PCR

Otros datos que proporciona el MCU

Gu PCR

Gu/TAC EKRU

G /PiGu/Pico Urea stdKt/V

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A l i t i l t d Aclaramiento equivalente de urea

Casino y López NDT 11:1574,1996

e

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Conclusión

El Modelo Cinético de la Urea sigue siendo una herramienta útil en la Hemodiálisis actual

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¿Kt/V o Kt?¿

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Kt = Cantidad de diálisis

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U d l KtUso del KtSi i Kt (L i 1999)-Sin corregir: Kt (Lowrie 1999)

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U d l KtUso del KtSi i Kt (L i 1999)-Sin corregir: Kt (Lowrie 1999)

-Corregido

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U d l KtUso del KtSi i Kt (L i 1999)-Sin corregir: Kt (Lowrie 1999)

-Corregido:Kt/V (Gotch 1985)Kt/V (Gotch 1985)

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U d l KtUso del KtSi i Kt (L i 1999)-Sin corregir: Kt (Lowrie 1999)

-Corregido:Kt/V (Gotch 1985)Kt/V (Gotch 1985)Kt/SC (Lowrie 2005)

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Lowrie, KI 2005; 68: 1344-1354APPENDIX. Minimum total surface area (BSA) double reciprocal relationship

BSA Kt

1.20 37.61 22 38 0

BSA Kt

1.70 48.01 72 48 4

BSA Kt

2.20 56.72 22 57 0

BSA Kt

2.70 63.92 72 64 11.22 38.0

1.24 38.51.26 38.91.28 39.41 30 39 8

1.72 48.41.74 48.81.76 49.21.78 49.51 80 49 9

2.22 57.02.24 57.32.26 57.62.28 57.92 30 58 2

2.72 64.12.74 64.42.76 64.62.78 64.92 80 65 21.30 39.8

1.32 40.31.34 40.71.36 41.21 38 41 6

1.80 49.91.82 50.31.84 50.61.86 51.01 88 51 3

2.30 58.22.32 58.52.34 58.82.36 59.12 38 59 4

2.80 65.2

1.38 41.61.40 42.01.42 42.41.44 42.91 46 43 3

1.88 51.31.90 51.71.92 52.01.94 52.41 96 52 7

2.38 59.42.40 59.72.42 60.02.44 60.32 46 60 61.46 43.3

1.48 43.71.50 44.11.52 44.51 54 44 9

1.96 52.71.98 53.12.00 53.42.02 53.72 04 54 1

2.46 60.62.48 60.82.50 61.12.52 61.42 54 61 71.54 44.9

1.56 45.31.58 45.71.60 46.11 62 46 5

2.04 54.12.06 54.42.08 54.72.10 55.12 12 55 4

2.54 61.72.56 62.02.58 62.22.60 62.52 62 62 81.62 46.5

1.64 46.91.66 47.31.68 47.7

2.12 55.42.14 55.72.16 56.02.18 56.3

2.62 62.82.64 63.12.66 63.32.68 63.6

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U d l KtUso del KtSi i Kt (L i 1999)-Sin corregir: Kt (Lowrie 1999)

-Corregido:Kt/V (Gotch 1985)Kt/V (Gotch 1985)Kt/SC (Lowrie 2005)Kt/? (Davenport 2016)

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¿Kt/V o Kt/SC?

Page 28: José Luis Teruel Hospital Ramón y Cajal · Lowrie, KI 2005; 68: 1344-1354 APPENDIX. Minimum total surface area (BSA) double reciprocal relationship BSA Kt 1.20 37.6 122 38 0 BSA

¿Gotch o Lowrie?

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Cálculo de V Cálculo de SCCálculo de V(Watson)

Cálculo de SC(Dubois)

llPesoTalla

TallaPeso

Edad GéneroGénero

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Ventajas teóricas del Kt/SC sobre Kt/V

1º Correlación con supervivencia

2º Proporciona más cantidad de diálisis en -Enfermos desnutridos,-En mujeres -En varones con poco peso.

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Asociación entre mortalidad y Kt/Vy

RR

spKt/V

O’Connor et al. Am J Kidney Dis 2002; 40: 1289-1294.

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N = 68110N 68110

.Dose of hemodialysis and survival: a marginal structural model analysis.Lertdumrongluk P1 Streja E Rhee CM Park J Arah OA Brunelli SM Nissenson ARLertdumrongluk P1, Streja E, Rhee CM, Park J, Arah OA, Brunelli SM, Nissenson AR,Gillen D, Kalantar-Zadeh K. Am J Nephrol. 2014;39(5):383-91.

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Kt/V en poblaciones cuyo uso ha sido cuestionado

1º Enfermos desnutridos: Calcular V según peso ideal.

2º En mujeres y varones con bajo peso: Aumentar Kt/V mínimo.

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ConclusionesConclusiones

1º El Kt/V es un parámetro válido para medir la dosis de1 El Kt/V es un parámetro válido para medir la dosis de diálisis, pero no suficiente.

2º En enfermos desnutridos su valor es relativo.

3º S it d di i l3º Se necesita un marcador adicional que se correlacione con permeabilidad de la membrana y con convecciónconvección.

4º La dosis de diálisis solo es un parámetro más depla diálisis adecuada.

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Gracias por vuestra atención

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¿Es el Kt/V el mejor indicador de la dosis de diálisis?

S Barroso.

Servicio de Nefrología. Hospital Infanta Cristina. BadajozServicio de Nefrología. Hospital Infanta Cristina. Badajoz

Nefrología 2007; 27: 667-669.

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Casino NDT 2016

Page 40: José Luis Teruel Hospital Ramón y Cajal · Lowrie, KI 2005; 68: 1344-1354 APPENDIX. Minimum total surface area (BSA) double reciprocal relationship BSA Kt 1.20 37.6 122 38 0 BSA

1Kt =Kt = --------------------------------

0,02370,0069 + -----------0,0069

SC

Lowrie et al. Kidney Int 2005; 68: 1344-1354

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Scaling Hemodialysis Target Dose to Reflect Body Surface A M t b li A ti it d P t i C t b li R t AArea,Metabolic Activity, and Protein Catabolic Rate: A Prospective,Cross-sectional Study.Sivakumar Sridharan, PhD,1 Enric Vilar, PhD,1,2 Andrew Davenport, MD, FRCP,3pNeil Ashman, PhD, FRCP,4 Michael Almond, DM, FRCP,5 Anindya Banerjee, MD, MRCP,6 Justin Roberts, PhD,7 and Ken Farrington, MD, FRCP1,2

Outcomes: Kt/body surface area (BSA), Kt/resting energy expenditure (REE) Kt/t t l dit (TEE) d Kt/ li d t i(REE), Kt/total energy expenditure (TEE) and Kt/normalized protein catabolic rate (nPCR).

Conclusions: Using BSA-, REE-, or TEE-based dialysis prescription would result in higher dose delivery in women, men of smaller body size, g y yand specific subgroups of patients.

Am J Kidney Dis. -(-):---. ª 2016 by the National Kidney Foundation, Inc.