investigatii in pneumologie schimbat partial sdr

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 Investigatia paraclinica a aparatului respirator Dr . Stefan Dumitrache-Rujinski

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Page 1: Investigatii in Pneumologie Schimbat Partial SDR

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Investigatia paraclinica a

aparatului respirator

Dr. Stefan Dumitrache-Rujinski

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• Radiografia toracica

• Spirometria, pletismografia, factor de transfer gazos, test de mers 6minute, test de efort cardiopulmonar 

• oracenteza !punctia pleurala"

• #$ sputa !flora %&anala', (), fungi*."

• (ronhoscopia, &iopsia &ronsica, lavaj &ronhoalveolar

• + torace

• (iopsia    pleurala !oar&a, pleuroscopia"

    pulmonara !toracotomie, toracoscopie"• ediastinoscopiamediastinotomia

• /oligrafiapolisomnografia

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Radiologie

I. Radioscopia pulmonara

   avantaje: examen dinamic (sniff test, paralizie diafragm).

   dezavantaje : nu ofera document obiectiv; adaptare la intuneric; omiteimagini mici, iradiere

 II . Radiografia pulmonara   avantaje : document medical; modificari fine

   dezavantaje : imagine statica; imagini ascunse → Rx. profl

 III . Tomografia plana

   demonstrarea imaginilor cavitare

 I . Radiofotografia (!micro"radiofotografia#)

   screening : tuberculoza ; cancer pulmonar ; boli profesionale

(nu se mai utilizeaza)

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rahee

(uton aortic

0ilul stang

1triul stang

2entricul stg

2ena +ava Superioara

1triul drept

0ilul drept

3nghiul cardio-frenic3nghiul costo-frenic

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Defecte de tehnica

• /ozitionare    torace rotit !identifica marginea mediana a claviculelor fata de

verte&ra dintre ele"

   nu au fost scoase scapulele din camp

   nu in inspir profund !numara coastele vizi&ile peste diafragm"

• Regim    su&e$punere → verifica in partea inferioara a um&rei cardiace

verte&rele vizi&ile

   suprae$punere → se pierd leziuni cu densitate mica

• 4ilm• Developare    su&developare → prea al&a

   supradevelopare → prea neagra

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Imagini parazite

a" Schelet toracic5

• coasta &ifida

• coaste supranumerare

• sinostoze costale

• tu&erculi costali.

 &" /arti moi5

• musculatura toracica

• um&ra sanilor

• mastectomie7.

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1specte normale

 +ontinut 5• campurile pulmonare

• hilurile !hilul stg mai susdecat cel drept"

• mediastin !inima, etc" 

+ontinator  5• diafragm !cel drept este mai sus"

  17 priveste si zona de su& diafragm

• oase !coloana, stern, arcuri costale"

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8pacitati pleuro-pulmonare

9.:ocalizare5 • semnul siluetei

• semnul (ernou

• impartirea campurilor

 pulm. in regiuni

• lo&isegmente

!R$.profil"

;. 4orma5

• lineare

• reticulare

• nodulare

• rotund-ovalare

•  poligonale

•  policiclice

• neregulate.

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<. Dimensiuni5• micronodulare

• nodulare• macronodulare

=. +ontur 5• net

• sters

>. Structura5• omogena

• neomogena

6. Intensitate5• costala

   su&costala supracostala

• mediastinala

   Supra su&mediastinala

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0ipertransparentele pulmonare

 - difuze

 - circumscrise5• localizarea

• forma

• dimensiunile

:a opacitatea ce o delimiteaza descriem5- forma

- dimensiunea

- conturul !e$ternintern"

- #$5 caverna5 opacitate inelara ce circumscrie o zona de hipertransparenta

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Imagini pulmonare mi$te

- Imagini hidroaerice !aer si lichid"- a&ces

- chist evacuat

- hidropiohemo-pneumotora$

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Tomografia computerizata

• 2izualizare superioara e$. R$. standard!localizare, limite, structura"

• $eoplasm pulmonar - stadializare• umor e$tension

•  ?odes !ggl hilarimediastinali"

• etastasis

• %ormatiuni mediastinale

• Diferentiere elemente hil, mediastin !vase

vs adenopatii" prin contrast iv

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Tomografia computerizata

• Structura parenchim pulmonar !+ cupe fine"

  &R'$I*T+II 

  -I5 aspecte caracteristice

• 2ase pulmonare5 trombembolism !contrast"

• 1fectare pleurala5 inchistari, mezoteliom

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• -T"*T

  ehnica compozita

  -T5 scintigrafie cu glucoza marcata (%luoro

deoxiglucoza : %/), identifica zonele cu

metabolism crescut •  ?oduli maligni, grasime &runa, creier 

  Indicatii5

• ai &una definire a e$tensiei ?

!ganglioninoduli pulmonari metastatici sau nu"

• Identificare recidive tumorale !limfoame

mediastinale"

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• cografia toracica

1plicatii 5

  lic0id pleural  inc0istare1ingrosari pleurale

  biopsie pleurala !tintita#

• cintigrafie toracicaI .entilatie  " 2enon 344

II. -erfuzie  " Te0netiu 55  →  T-

III. /aliu 67

inflamatie ! %activitate' in sarcoidoza"

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#$amen de sputa

• iagnostic bacteriologic

   &) 

  (acterii !%flora &anala'"

  4ungi !aspergillus, candida7"

• Diagnostic citologic

  Sputa colectata in formol !neoplasm"

  Sputa indusa !eozinofile in astm"

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• xamen sputa pentru b8 

  Sputa e$pectorata spontan  < produse in trei zilemomente diferite

  #$ microscopic5 ie0l"$eelsen sau auramina-

rodamina

  +ultura5 mediu 9oenstein  medii lichide

  1nti&iograma

  etode genice5 /+R 

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• xamen bacteriologic al sputei !%flora &anala'"

  Sputa e$pectorata spontan, matinal  /relucrare in ma$ ; ore de la colectare7

  ehnica de %spalare' pentru decontaminare orala7

  x. microscopic5• +riterii de validitate a produsului !@;>A celule orale <=

->$ si ? = celule epiteliale camp microscopic marire

23@@"

• *oloratie /ram, criteriu de patogenitate !germeniintracelulari"

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#$amen &acteriologic al sputei

   *ultura5 identificare germene patogen

• /ermenele izolat sa fie concordant cu germenele dominant

de pe frotiul /ram

• *restere pana in cadranul III1I !B9C+43ml"• 1tipicii nu se cultiva pe mediile o&isnuite

• 1naero&ii nu cresc pe mediile aero&e

• Interpretare precauta5   culturi polimicro&iene → pro&a&il nevalide

   germeni intestinali → nu au ce cauta in sputa !contaminare"

   germeni de colonizare si nu patogeni

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#$amen &acteriologic al sputei

   +ntibiograma5 spectru sensi&ilitate

  In practica curenta doar in B <CA din cazuri se reusesteizolarea germenului implicat patogenic !pneumonie"7

   Tratament empiric, functie de prezentarea clinica,

radiologica, comor&iditati, gravitate 7

  Decat un e$amen &acteriologic de proasta calitate, mai &ine un tratament empiric &ine judecat7

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• +2E 2+F2IRF2#R 

• +/E +2F2R 

#$plorarea functionala respiratorie

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xplorarea functionala respiratorie• Spirometria

  Determinarea5 +2, 2#S, /#4, Indice iffeneau

• /letismografia

  +omplianta pulmonara  Rezistenta la flu$ in caile aeriene

  +/, R  !indirect si prin metoda cu heliu"

atele obtinute permit caracterizarea ',

R, >

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• ':

  *~N

– VEMS↓– IT ↓ (<70%)

• DVR:– CV ↓

– VEMS ↓

– IT N(>70%) 

• DVM:– CV ↓

– VEMS ↓

– IT ↓(<70%)

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xplorarea functionala pulmonara

c0imburile gazoase

9. 4actorul de transfer gazos

• capacitatea de difuzie +8 prin m&. alveolocapilara5

9*' !T9*'"

;. Gazometria

•  p0, /a8;, /a+8;, Sa8;, 0+8<

• /!1-a" 8; !gradientul alveolo-arterial al 8;"

*ateterism artera pulmonara !dg. 0/"

- press. 1/@;>mm0g

  - press.+/EH mm0g

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Test de mers 6 min

• Distanta parcursa !m"

• Sa8; initial, final

• Indice dispnee pe scala (8RG !9-9C9C"

• 1, 12 initial, final

• 3sor de efectuat

• 3til in monitorizare evolutie, tratament

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Toracenteza , biopsia pleurala• Toracenteza se practica pentru

   Diagnosticul oricarei colectii lichidiene pleurale   #vacuare lichid pleural !pleurezii recidivante, empiem"

• Diagnostic lichid pleural

   1spectul macroscopic !limpede, sange, puroi", miros!fetidanaero&i" al lichidului

   1nalize• &ioc0imie5 proteine, 9A !e$udattransudat" , glucoza, p0,

1D15 1denozin-dezaminaza !("• *itologie5 hematii, neutrofile, limfocite,mezotelii, cel neoplazice !grupate

in placarde"

• &acteriologie5 b8  !direct,cultura, /+R", bacterii, fungi

• 1ltele5 4R, complement, celule lupice

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• &iopsie pleurala !oar&a"

   Recolteaza pe ac mic fragmente de pleura parietala

   Indicatii !pleurezii la care e$ista suspiciunea de" 5

9. pleurezie tu&erculoasa !HCA F" evidentiaza leziunea

granulomatoasa cu necroza de cazeificare

;. pleurezie neoplazica ! afectarea pleurala secundara "

<. mezoteliom pleural !afectare pleurala primara"

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&ron0oscopia

• &ron0oscop flexibil

Indicatii diagnostice :

"neoplasmul bronsic

"simptome respiratorii : 0emoptizii;0eez.localizat

"tuberculoza: fistula gangliobronsica"bacteriologie : &8 ; pneumocBstis

Indicatii terapeutice :

"secretii

"corpi straini

"carcinoame obstructive

- -lasare de stenturi

- Rezectii laser

• &ron0oscop rigid

Indicatii :

"corpi straini

"0emoptizii masive

"stenoze tra0eale

"c0irurgie laser

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9 j l b 0 l l

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9avajul bron0oalveolar

• 1spiratul &ronsic %simplu'

• 9avajul bron0oalveolar !propriu"zis#%(iopsie lichida' datorita concordantei cu celularitatea interstitiului

Se instileaza B 9;C ml ser fiziologic steril, se recupereaza min. Cml

 ?ormal 5- nr. celule ml E ;CC.CCC din care5

- acrofage alveolare E CA

- :imfocite E 9<A

-  ?eutrofile E 9A

- #ozinofile E 9A

1specte caracteristice in- Sarcoidoza !limfocitoza, +D=+DHJ="

- 1.1.#. !limfocitoza,+D=+DH@9"

3til in identificarea (11R, pneumicKstis, fungi, flora micro&iana!&rosa protejata", celule maligne

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&ron0ografia

• Inlocuita de + cupe fine pt. dg &ronsiectaziilor77

Indicatia de electie !istorica77"5

-&ronsiectazii !e$istenta, e$tinderea,

rezeca&ilitatea"

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&iopsia pulmonara• &iopsia pe plaman desc0is ( cu toracotomie)

   $eoplasm, -I, etc

• (iopsia pulmonara trans&ronsica !&ronhoscopie"

Indicatii 5

   afectiuni pulm.difuze 5 sarcoidoza; carcinomatoza; fi&roza pulmonara

   neoplasm pulmonar 

   transplant pulmonar !rejet"

   infectii pe gazda compromisa

• (iopsia percutana transtoracica !ghidata +"

   nodulul pulmonar periferic

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Toracoscopia1pleuroscopia,

mediastinoscopia1mediastinostomia• Toracoscopia1-leuroscopia

Indicatii :

• pleurezii de etiologie neprecizata

• mezoteliom pleural• aderente

• pneumotorax spontan

• fistule bron0o"pleurale

• pleurodeze (talcaj)

- Rezectii noduli pulmonariperiferici

- &iopsie pulmonara

• >ediastinoscopia

Indicatii :

   &iopsie adenopatiimediastinale

• $eoplazici (stadiu $)

• arcoidoza

• 9imfoame

• >ediastinotomia

Indicatii :

   &iopsie formatiunimediastinale anterioare

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oracoscopie video-asistata

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ezoteliom pleural

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g. +

-oligrafie ventilatorie• flu$ aerian nazaloral !ochelari, termistor"

• miscari toraco-a&dominale !piezoelectric"

•  pulso$imetrie

•  pozitie corpului• sforait

C• ##G #G #8G 5 durata si stadiile de somn

• #)G

•  pozitiamiscari mem&re

D

-olisomnografie (gold standard)

Poligrafe (~6 ore)

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Poligrafe ( 6 ore)

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0ipoxemie intermitenta

apnei

desaturari

-oligrafie, ecran de 6@ minute

Poligrafe (ecran de 2 minute, apnei obstructi

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Poligrafe (ecran de 2 minute, apnei obstructi

absenta flux nazal (apnee)

miscari toracice

desaturare

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Revarsat pleural

Toracenteza

• (iochimie

• +itologie

• (acteriologie

&iopsie pleurala oarba

-leuroscopie ! &iopsie tintita"

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Tumora pulmonara

*entro0ilara

• (ronhoscopie cu &iopsie → dg de certitudine

• + pt stadializare ?

-eriferica

• + pt localizarestadializare

• (ronhoscopie cu :(1 → celule maligne?

• oracotomie cu &iopsierezectie → dg de certitudine