sindroame valvulare

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    Note de curs

    D.Spataru Sef de Lucrari UMF

    Sindroame valvulare

    mitrala si tricuspida

    Diagnostic : stenoza mitrala ?

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    Diagnostic Pozitiv

    Etiologic

    Severitate

    Remaniere aparat valvular Asociere :valvulopatii/alte boli cardiace/ab

    Functie sistolica vs

    Htp Insuficienta cardiaca (NYHA)

    Tratament

    Indicatie operatorie

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    Stenoza mitrala

    Etiologia= RAA 99%

    25% din RAA - SM pura 40% -boala mitrala

    2/3 din SM femei

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    Fuziune ap valv m in RAA

    Comisuri (30 %)

    Cuspe (15 %) Cordaje (10 %) (mai mult RM)

    Combinatie

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    Mecanisme producere SM

    Proces reumatic mocnit

    Dupa episod RAAfluxturbulent=fibroza,ingrosare,calcificare

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    Alte etiologii

    nu

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    Fff rar

    Valva in parasuta (1 pilier)

    Calcificare inel mitral

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    etiologii Congenital

    Carcinoid (tricuspida)

    Lupus

    AR Mucopolizaharidoze (Hurler)

    Boala Fabry, b Whipple

    Amiloid Trat cu methysergide

    Lutenbacher

    Mixom,tromb,vegetatie

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    Fiziopatologie

    Normal orificiul mitral =4 -6 cm p

    SM < 2 cmp / 4 mm Hg

    SM critica < 1cmp / 20 mmHg

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    Factorii precip aparitie dispnee

    Effort fizic

    Stress emotional

    Sex Infectii

    FA

    (cresterea DC cresterea pres AS)

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    Evolutia SM

    RAA

    SM (dupa 10 ani)

    HTP Al doilea baraj

    ICdr

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    Manifestari clinice

    Dispnee

    Embolii

    Hemoptizie

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    Dispneea

    De efort (NYHA)

    Ortopnee

    EPA

    Asociere cu tuse,wheezing (scadere

    CV,plaminul mitral)

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    Hemoptizia (Wood)

    Hemoragie brusca masiva (ruptura v b)

    Sputa rozata in disp parox nocturna

    EPA ( ruptura capilar alveola) Infarct pulmonar

    Sputa hemoptoica din bronsita cr

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    Durere toracica

    Caracter de angina pectorala ( HTP,asociere CIC)

    Embolii coronare (rar)

    (neclar uneori si cu coronarografie)

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    Embolii sistemice

    20 % din bolnavii neoperati

    25% din decese inaintea exist terapieianticoagulante

    Corelatie cu virsta

    dimensiune urechiusa stg

    invers cu DC 80 % FA ( restul FA recurenta, EB)

    ( nu cu severit stenozei)

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    Unde embolizeaza SM

    50 % vase cerebrale

    Coronare IM

    Artere renale colica renala/ HTA Artere membre (Ischemie ac perf =5 p)

    Tromboza masiva AS

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    Endocardita bacteriana

    mai rar pe aparat valvular f remaniat

    Raguseala (sindr Ortner)

    IC dr

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    Examen fizic

    Facies mitral

    Dezvoltarea fizica a bolnavului ( obezitate)

    Puls periferic diminuat,FA Pulsul venos jugular

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    Inspectie

    Miscare parasternal stg HTP dilat VD

    VD f mult marit confuzie cu apex VS

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    Palpare

    Zgomot 1 intarit

    Clacmentul de deschidere al mitralei

    Freamatul (uruiturii diastolice) Palparea liftului parasternal stg (VD)

    Palparea zg 2 - HTP

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    Auscultatia

    Zg 1 intarit si clacment deschidere m!!!!!!!!!!!!!!!!!!!!!!!!!!!

    Uruitura diastolica ?

    Decubit lat stg

    Fara membrana stetoscop

    Apasat f susor Pe soc apexian

    Apnee post expiratorie

    Dupa effort fizic

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    Onomatopeea Durosier

    RRRRRrrrrrrrrruuufffffff T Ta TaRRRR

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    Criterii severitate

    Aspectul bolnav

    Gradul dispneei

    Semnele HTP Durata uruiturii diastolice

    Distanta zg2 CDM

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    Remanierea ap valvular

    Intensitatea zg 1

    CDM

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    Auscultatie dinamica

    UD si CDM accentuate in expir

    In inspir creste zg2-CDM = A2 P2 CDM

    In picioare scade pres AS = creste zg2-CDM

    (dedublarea zg 2 diminua in picioare)

    Dupa efort zg2- CDM scade Valsalva diminua UD

    Accentuare UD:nitrit,effort,tuse ,pe vine

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    Dg diferential

    Suflul Carey Coombs in puseu RAA

    (Suflu dulce,proto diast,variabil zilnic)

    RM pura suflu dupa zg3 Graham Steel (IP nu IA) inspir

    Austin Flint (IA nu SM) zg1 intarit si CDM

    Insuf tric/RM (inspir)

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    ECG

    P mitral

    HVD

    Devierea ax la dr corelatie cu severitate FA

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    RX

    Cord mitral: bombare arc mijlociu

    Marire AS incidenta oblica

    Marire AP,VD Calcificare ap valvular

    Edem interstitial liniile Kerley B (pres cresc

    in capilarul pulm) hemosideroza

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    ecocardiografie

    Etape dgclinic

    .

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    Etape diagnostic SM

    Dg anatomic

    Dg etiologic

    Dg severitate

    Dg afectare aparat valvular (scor W)

    Dg boli asociate (valvulare, FA, tromb, CIC) Dg functie vs

    Dg hipertensiune pulmonara

    Dg insuficienta cardiaca Medicatie

    Indicatia operatorie

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    Etiologie SM

    RAA Calcificare inel mitral

    Congenitala

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    SM congenitala

    Valva mitrala in parasuta

    Anomalie arcada mitrala

    Orificiu mitral dublu

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    Modificari morfologice eco(ALP)

    Deformare si ingrosare valva mitrala Excursie limitata a valvei

    Ingrosare si fuziune cordaje

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    Modificare morfologica eco (ASPP)

    Muschi papliar unic

    Toate cordajele se insera pe un singurpilier aspect de parasuta

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    Cazul nr.2

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    Concluzii

    Dg frecvent ratat

    Etiologia congenitala

    ST (gradient mediu diastolic)

    Tromb urechiusa stanga (TTE 2C)

    Examinare in ASP (pilier valva)

    Rezultatele valvuloplastiei inferioare fatade SM RAA protezare

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    Insuficienta mitrala

    Etiologie si patologie

    IM ac/ IM cr

    Inel mitral

    Foite valvulare

    Cordaje Pilieri

    Proteza

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    IM acuta

    Endocardita

    Traumatism

    Leak paravalvular

    Tumora (mixom)

    Lupus (Libman Sacks)

    Ruptura cordaj (mixomat ,idiopatic.) Infarct miocardic

    Disfunctie proteza

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    IM cronica

    RAA

    Lupus ,sclerodermie

    Prolaps

    Calcificare inel

    Marfan

    Endocardita CIC

    Cardiomiopatii

    Congenital

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    Manifestari clinice

    Natura si severitatea depind de:

    Severitatea IM

    Progresia bolii

    HTP

    FA

    Valvulopatii asociate Afectare coronare

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    Simptomatic la bolnavi cu functiecontractila vs pastrata

    Oligosimptomatic pina la deteriorarefunctie contractila

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    Hemoptizia si emboliile sistemica

    Mai putin frecvent decit la SM

    Instalarea FA mai bine suportata decit SM

    Semne DC scazut (Slabiciune, oboseala)

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    Examen fizic

    Palparea puls (dg dif SA)

    Soc apex vizibil si palpabi pe sup mare

    Hiperdinamic ,deplasat in stg

    palpare zg 3

    Expansiune AS (confuzie VD)

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    Auscultatie IM

    Zg 1 diminuat

    Dedublare distantata zg2

    Intarire P2

    Zg 3 sau galop

    Suflu diastolic dupa zg3

    Suflu sistolic

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    SS din IM

    SS (holosistolic / incepe din zg 1)

    La apex

    Iradiaza in axila

    Timbru : tisnitura vapori

    Intensitate gr (1- 6)

    Nu variaza intensitatea cu durata diastolei

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    Auscultatie dinamica

    Nu cu respiratia

    Accentuare pe vine

    Redus :Valsalva, in picioare

    Reducerea ss dupa compensarea ICC

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    Dg diferential

    DSV

    IT (INSPIR / semne Icdr)

    SA

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    ECG

    P mitral

    FA

    HVS

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    RX

    Dilatatie VS

    Dilatatie AS

    Staza pulmonara

    Calcificare inel m

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    Ecocardiografia

    Functia sistolica VS in IM

    Regula 50

    Dp/dt

    PISA

    Gradul (1- 4)

    Vena contracta Aria jet reg

    Reconstuctia 4 dimensiuni

    Dimensiuni VS AS

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    PVM

    Exces diagnostic

    Clic suflu mezotele sistolic

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    ST

    La bolnavii cu SM

    Auscultatie in inspir

    Gradient mediu diastolic > 2 mm Hg

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    IT

    Toti bolnavii cu Icdr

    SS (accentuat in inspir)

    IT severa : Puls jugular, ficat pulsatil

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    Etiologie IT

    Anatomica :RAA, endocardita, PVT,carcinoid, traumatism, ischemie,radioterapie

    Functionala : dilatare inel HTP

    Dg eco PAPS

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    Evaluarea RM

    Diagnostic pozitiv

    Etiologie - mecanism RM

    Aprecierea remanierii aparatului valvularAprecierea severitatii

    Functie VS

    Hipertensiune pulmonara

    Leziuni asociate

    E l i ii RM

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    Evaluarea severitatii RM

    Doppler color Dimensiuni AS, VS

    Vena contracta

    PISA Cresterea vitezelor undei E

    Aspectul anvelopei Doppler continuu

    Rerversul sistolic VP

    TEE

    Ecocardiografie tridimensionala

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    Vena contracta

    Grosimea jetului regurgitant la origine

    Corelatie buna cu:

    Volumul regurgitant (r = 0,85)

    Aria orificiului regurgitant (r = 0,88)

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    PISA

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    PISA

    PISA = Aria S = Flow = PISA x V (cm/sec)

    2

    2 r

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    Doppler color

    Distanta jet regurgitant

    Arie jet regurgitant ( > 8 cm2

    )

    Raport arie RM / arie AS

    Jet excentric subestimare 40%

    Reconstructie 4 D

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    A gresi e omeneste, dar ca s-o

    zbarcesti in stil mare ai nevoie deun computer

    Paul Ehrlich

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    Concluzii

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    Concluzii

    Chirurgie in RM

    RM severa simptomatica FE > 70%

    dVS s < 40

    Vol s < 40 ml/m2

    RM severa NYHA I FE 60%

    dVS s 45

    Nu chirurgie RM FE < 30%

    Controversa

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    Controversa

    Chirurgie pentru RM in CMD