Investigarea cazurilor noi de BVTE Flashcards

1
Q

Teste generale utilizate in diagnosticul cazurilor noi, de TEV ne-provocata:

A
  1. HLG
  2. Teste functie renala + hepatica
  3. coagulograma
  4. RX
  5. analiza urina
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2
Q

NICE recomanda investigatii suplimentare in caz de TEV NE-provocat:

A
  • pacientii peste 40 ani
  • CT abdomen+pelvis
  • femei: + mamografie
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3
Q

Factori PRO coagulanti implicati in trombofilii ereditare:

A
  1. V Leiden
  2. mutatia reg. 3 netranslatata a genei pro-trombinei
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4
Q

Factori ANTI coagulanti implicati in trombofilii ereditare:

A
  1. antitrombina
  2. proteina C
  3. proteina S
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5
Q

Factor V Leiden

A
  • rezistent la inactivarea de catre: proteina C
  • creste generarea de TROMBINA
  • HETERO: 5% dintre europeni/ mediteraneeni= risc 5X
  • HOMO: mai rar= risc 10X
  • femei > 30 ani+ CO = risc crescut de 30 X (dar este sub 0,5%/ an la tinere)
  • responsabil de 20% TEV
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6
Q

Mutatia regiunea 3 netranslatata a genei pro-trombinei

A

= G 20210A
- creste sinteza de protrombina
- apare la 2% populatie, cu risc de TEV de 2-3X
- responsabil de 5% din TEV

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7
Q

Antitrombina

A

= serpina
- utilizata de catre heparina in catalizarea reactiei=> rezistenta la heparina
- HETERO: rar, risc 10X
- dg: testarea activitatii, NU genetic!
- TC: tineri, TEV cu recurente

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8
Q

Antitrombin inhiba reactiile factorilor:

A
  1. II a
  2. X a
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9
Q

Nivelele scazute de antitrombina apar la:

A
  1. boli acute
  2. interventii chirugicale
  3. tratament heparina (catalizator)
  4. boli hepatice
  5. sindrom nefrotic
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10
Q

Proteinele C si S:

A
  • anticoagulante naturale, dependente de vit. K
  • HETERO: mai putin frecvente, risc 5X
  • HOMO: ft rar, purpura fulminanta neonatala
  • dg: masurare activitate/ concentratie
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11
Q

Proteinele C si S inhiba cofactorii:

A
  1. Va
  2. VIIIa
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12
Q

Deficit de PC + PS apar in:

A
  1. boli acute
  2. boli hepatice
  3. tr. warfarina
  4. deficit de vitamina K
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13
Q

Deficit izolat de proteina S apare in:

A

S- arcina
S - estrogeni (Tx cu)

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14
Q

Diagnosticul deficitului de factori anticoagulanti in TEV este:

A
  • dificil
  • nici nu e necesar, nu va afecta tratamentul
  • scad <= TROMBOZEI
  • scad <= TRATAMENTULUI ANTICOAGULANT
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15
Q

Cautarea unei trombofilii ereditare se face cand:

A
  1. ca faza ACUTA de tratament s-a incheiat
    SI
  2. a terminat AC de cel putin 3 luni
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16
Q

Indicatii de testare a trombofiliilor ereditare:

A
  1. TEV NE-prov + AHC + vrea sa opreasca AC
  2. TEV <50 ani
  3. fertilele
  4. localizarile neobisnuite
17
Q

Principala trombofilie dobandita este:

A

Sindromul anti fosfolipidic

18
Q

Diagnosticul de SAFL se ia in considerare la:

A
  1. TEV tineri/ ne-provocat/ FR minor
  2. TEV cu loc. neobisnuita
  3. TEV recurente, MAI ales daca ia si AC
  4. tromboza ARTERIALA
  5. morbiditate de sarcina
  6. anomalii incidentale ale testelor de coagulare
19
Q

Morbiditati de sarcina asociate cu SAFL sunt:

A
  1. pierdere > 3 embrioni, inainte de S10
  2. deces fetal neexplicat > S10
  3. nastere prematura < 34 S <=(pre)eclampsiei+insuficientei placentare
20
Q

Anomalii de coagulare incidentale asociate cu SAFL sunt:

A

TIPIC: APTT = prelungit
mai rar, PT= prelungit
teoretic=sangerare, practic=trombi

21
Q

Tratamentul SAFL:

A

DOAC sunt mai putin eficiente ca warfarina!
AC cu warfarina intensitate standard (INR=2-3)
AC cu warfarina intensitate mare (INR=3-4)
terapie antiplachetara

22
Q
A