1.1. Síndrome de Marfan Flashcards

1
Q

Qué és?

A

Desordre sistèmic del teixit connectiu

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2
Q

Mutació?

A

Gen FBN1 (15q21)

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3
Q

Funció?

A

Codifica per la glucoproteïna fibril•lina, component majoritari de les microfibril•les extracel•lulars

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4
Q

Herència?

A

AD, molta variabilitat fenotípica
De novo
FACTOR DE RISC: edat paterna avançada

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5
Q

Mutacions?

A

Missense
Frameshift, STOP o haploinsuficiència

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6
Q

Característiques esquelètiques? [8]

A

Alts, dolicostenomelia, aracnodactília, peus plans, laxitud articular, escoliosi, hipotonia, pectum

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7
Q

Característiques cardiovasculars? [3]

A

Dilatació, esquinçament i ruptura de l’arc aòrtic
Prolapse vàlvula mitral/tricúspide
Alteració artèria pulmonar

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8
Q

Característiques oculars? [5]

A

Ectòpia lentis, miopia, risc despreniment retina, glaucoma, cataractes

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9
Q

Mecanisme molecular?

A

Muntatge fibril•lina 1
Muntatge elastina
MMP

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10
Q

Tractament esquelètic?

A

Rehabilitació mèdica i avaluacions contra escoliosi
Evitar esports de contacte

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11
Q

Tractament cardiològic?

A

Losartan (beta-bloqueante)
Reparació grans vasos
Reemplaçament vàlvules

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12
Q

Tractament ocular?

A

Cirugia retirar lent dislocada i implantar nova

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