SLT Flashcards

1
Q

SLT defi

A

Liberación del contenido IC al IV
Hiperuricemia
Hipokalemia
Hiperfosfatemia
Hipocalemia
Uremia
LRA—> FMO

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2
Q

Mecanismo hiperuricemia SLT

A

metabolismo ácidos nucleicos
Liberan xantina, enzima xantina oxidasa la convierte a acido urico

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3
Q

Solubilidad normal ac urico tubular

A

15 mg/dl

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4
Q

Herramienta para distinguir nefropatía por ácido úrico

A

AU/Cr

> 1.0–> nefropatía por ácido urico
<0.6-0.75–> otra causa

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5
Q

Neoplasias relacionadas con SLT ESPONTÁNEO

A

L Burkitt
L linfoblástico
LLA con hiperleucocitosis
LMA con hiperleucocitosis

Neuroblastoma
Tumor de células germinales

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6
Q

Neoplasias SLT secundario

A

LLA
LB
LL
LNH

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7
Q

Dx SLT

A

2 o más:
Ac urico >8 mg/dL
K >6 mmom/L
P >6.5 mg/dL
Ca <7.0 mg/dL
Caion <1.12 mg/dl

3-7 dias post qt

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8
Q

LRA

A

Aumento 0.3 mg/dl creatinina
>1.5 x limite normal
Oliguria <0.5 ml/kg/hr en 6 horas

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9
Q

Clasificación SLT

A

Riesgo bajo:
-no anomalías Hidroelectrolíticas
-DHL > 1 ds
-sin comorbidos
-MO con blastos bajo riesgo

Riesgo intermedio
-tumor voluminoso
-DHL >2 ds
-comorbidos
-MO con blastos riesgo intermedio o no clasificado

Alto riesgo
-DHE
-tumor voluminoso
-MO blastos riesgo alto
-LRA
-hipocalcemia sintomática
-arritmias

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10
Q

Tx SLT

A

Hiperuricemia: hiperhidrstar 2-3 L/m2 con SF 0.45% o glucosada 5%
Alopurinol
Rasburicasa

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11
Q

Dosis alopurinol SLT

A

300-450 mg/m2sc/d en 3 dosis

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12
Q

Dosis rasburicasa SLT

A

0.2 mg/kg/do en 3 min en 50 ml SF 0.9%

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13
Q

Hiperkalemia SLT manejo

A

Complicación mas grave
Furo
Polarizante
Agonistas B
Bicarbonato

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14
Q

Hiperfosfatemia SLT tx

A

Restricción oral
Suspender soluciones que tengan P
Quelantes —> sevelamer
HD

Monitorizar c/4 hrs

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15
Q

Hipocalcemia SLT tx

A

Si tiene sintomas dar gluconato de calcio

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16
Q

Dialisis indicaciones SLT

A

DHL no responde
Sobrecarga no responde a diuréticos
Acidosis refractaria

Continua hemodiafiltración