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Locul si rolul US Locul si rolul US in boala in boala tromboembolica tromboembolica Alexandru Andritoiu, MD Sp. Militar Craiova

ULTRASOUND IN DEEP VENOUS THROMBOSIS

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Ecografia Doppler-valoarea diagnostica in TVP si in monitorizarea raspunsului terapeutic

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Page 1: ULTRASOUND IN DEEP VENOUS THROMBOSIS

Locul si rolul US Locul si rolul US in boala in boala

tromboembolicatromboembolica

Alexandru Andritoiu, MDSp. Militar Craiova

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AnatomieAnatomie

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Vv. Membrului superiorVv. Membrului superior

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Vv. Membrului pelvinVv. Membrului pelvin

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Metode de diagnostic Metode de diagnostic flebologicflebologic

• Clinic• D-dimeri• US• Venografie• Isotopi• Angio-CT/RMN

USUS• B-mode• Doppler color• Doppler spectral• Power-angio• B-flow• CEUS• Elastografie

FLEBOGRAFIA – ,,gold standard,,

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FlebografiaFlebografia

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Metoda izotopicaMetoda izotopica

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Tehnica USTehnica US

• Transductor linear (5-8 MHz)• Setting: Low-PRF (venous) Low-velocity flow• Pozitia pacientului- in decubit dorsal- in ortostatism- sezand la marginea patului

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US venoasa - NormalaUS venoasa - Normala

• Perete fin (fara adventice)

• Calibru variabil cu fazele respiratorii

• D creste la man. Valsalva

• Compresibilitatea venei

• Flux variabil cu fazele respiratorii

• Muzicalitate specifica

• Lipsa pulsatilitatii

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CompresibilitateaCompresibilitatea

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Flux venos-variatia cu respiratia

US Doppler pulsatFluxul venos diminua pana la aplatizare in inspir profund

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Manevra ValsalvaManevra Valsalva

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Diagnosticul US al trombozeiDiagnosticul US al trombozei

• Material ecogen endoluminal

• Lipsa compresibilitattii

• Lipsa variatiei respiratorii

• Doppler: fara flux

• Dificil de apreciat vechimea trombusului!

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Non-compressionNon-compression

TVP-VFC: la manevra de compresie nu se observa reducerea calibrului venei, lumenul fiind ocupat de un tromb ocluziv

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Tromboza Vv. m. superiorTromboza Vv. m. superior

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V. subclavieV. subclavie

• Cateter venos• Paraneoplazica

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Tromboza V axilaraTromboza V axilara

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Tromboza V. Jugulare int.Tromboza V. Jugulare int.

NV, M, 72 ani Neoplasm bronho-pulmonar apical

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Tromboza vv. m. pelvinTromboza vv. m. pelvin

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TVP-VFC/VFS proximalaTVP-VFC/VFS proximala

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TVP ax Fem-PoplTVP ax Fem-Popl

TVP-VFC dreapta TVP-V Poplitee dreapta Fara semnal Doppler

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Tromboza VFS distalaTromboza VFS distala

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TVP-V. popliteeTVP-V. poplitee

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US Doppler TVP-V. popliteeUS Doppler TVP-V. poplitee

Flux absent in vena popliteeFlux prezent in artera homolaterala

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Tromboza v. tibiale posterioareTromboza v. tibiale posterioare

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Edemul de stazaEdemul de staza

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TVP in situatii clinice particulareTVP in situatii clinice particulare

• Sarcina/trombofilie• Neoplazii• Arterite inflamatorii• Repaus prelungit la pat (Stroke, IMA)• Post chirurgical (pelvis, abdomen, ortopedie)• Cateterism venos• Droguri cu risc inalt• Medicamente cu risc pro-trombotic

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TVP paraneoplazica

TVP – VFC la un pacient cu neoplasm gastric

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Sarcina si TVPSarcina si TVP

Tromboza VFC stg-sarcina 24 sapt.

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Tromboza V. Jugulara IntTromboza V. Jugulara Int

FV, F, 43 ani, Hepatita cronica vir. C – in curs de tratament cu IFN

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Ocluzia comuna A+V politeeOcluzia comuna A+V politee

Arterita std. IV

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TVP - VCITVP - VCI

TVP -VCI

Pacient in varsta de 29 ani, sex M: -edeme masive ale mm. inferioare, cu debut brusc, dupa efort fizic intens

TVP -VFC TVP -VFS

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TVP VFC cu invazia crosei V.SafTVP VFC cu invazia crosei V.Saf

Varice pubiene

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TVP - V. iliacaTVP - V. iliaca

• T. Maria, 48 ani• Fibrom uterin• Tratament: Orgametril• Edem masiv m. inf. stg.

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TVP - V. iliaca com. stgTVP - V. iliaca com. stg

Confirmare Angio-RMN

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Rezolutia trombozeiRezolutia trombozei

• Clexane• Sintrom• Detralex• Contentie elastica

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TVP asociata gonatrozeiTVP asociata gonatrozei

Tromboza V. poplitee

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Tromboza v. cefaliceTromboza v. cefalice

Pacienta 38 ani, cu durere si cordon venos la nivelul bratului stg.Teste de trombofilie pozitive

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TEPATEPA

• SR, 20 ani• TVP Fem-Popl dr• TEPA sub tratament

Confirmare CT

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Sdr. Post-tromboticSdr. Post-trombotic

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TVP recanalizataTVP recanalizata

Incontinenta valvulara post-trombotica

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Vv. perforanteVv. perforante

Relatia topografica cu ulcerul varicos

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Varice trombozateVarice trombozate

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Refluxul venosRefluxul venos

Incompetenta valvulara- Manevra Valsalva- Compresia gambei

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Contrastul spontan vs. TVPContrastul spontan vs. TVP

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Elastografia TVPElastografia TVP

DS, F, 43 ani-TVP F-P dr. – la 2 sapt. de la debut (recidiva sub Sintrom)

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ConcluziiConcluzii

•US Doppler(+/- Elasto) in flebologie, reprezinta o metoda diagnostica utila in diagnosticul:

- trombozei venoase

- sdr. post-trombotic

- bolii varicoase

•Monitorizarea imagistica a raspunsului terapeutic