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Xoc Sandra Beltrán de Heredia Marrodán Enric Samsó Sabé Anestesiologia i Reanimació Unitat de Critics Quirúrgics Hospital del Mar. Parc de Salut Mar

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Page 1: Sin título de diapositiva - academia.cat · Occult hypoperfusion is associated with increased mortality in hemodynamically stable, high-risk, surgical patients Elevated blood lactate

Xoc Sandra Beltrán de Heredia Marrodán

Enric Samsó Sabé Anestesiologia i Reanimació Unitat de Critics Quirúrgics

Hospital del Mar. Parc de Salut Mar

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Shock

Insuficiència circulatòria (hipotensió arterial) ?????

Hipoperfusió tissular (oliguria, obnubilació, ictericia…)

Hipoxia cel·lular (acidosi metabòlica)

Page 3: Sin título de diapositiva - academia.cat · Occult hypoperfusion is associated with increased mortality in hemodynamically stable, high-risk, surgical patients Elevated blood lactate

Occult hypoperfusion is associated with increased mortality in hemodynamically stable, high-risk, surgical

patients

Elevated blood lactate levels are associated with a higher

mortality rate and postoperativecomplications in hemodynamically stable

surgical patients.

Critical Care April 2004 Vol 8 No 2 Meregalli et al

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NO CAL HIPOTENSIO

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64 años

Laparotomía para ampuloma

Cirugía de Whipple

Linea arterial y cvc

Sin incidencias en el intraoperatorio

PVC?

Sangrado aproximado de 500 ml

Liquidos administrados: cristaloides (2000 ml)

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Li Líquidos Concentrado de hematíes Calentar

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shock

Láctico

CO2

ScvO2

OFERTA O2 CONSUMO O2

DO2: GC X CaO2

TA

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XOC

HIPÒXIA Tissular

Demanda O2

Aport O2

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Xoc

Cardiogènic

Distributiu

Hipovolèmic

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Xoc

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Xoc Sèptic

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Futuro

200,000

400,000

600,000

800,000

1,000,000

1,200,000

1,400,000

1,600,000

1,800,000

2001 2025 2050

Year

100,000

200,000

300,000

400,000

500,000

600,000

Severe Sepsis Cases

US Population

Se

ps

is C

as

es

To

tal U

S P

op

ula

tio

n/1

,000

Presente

>750,000 sépsis severa / año

en los EE.UU

Angus DC. Crit Care Med. 2001;29(7):1303-1310.

Sepsis, shock séptico

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AIDS* Colon Breast

Cancer§

CHF† Severe Sepsis‡

Cases/1

00,0

00

Incidencia de la Sépsis Severa

Mortalidad de la Sépsis Severa

AIDS* Severe Sepsis‡

AMI† Breast Cancer§

0

50

100

150

200

250

300

0

50.000

100.000

150.000

200.000

250.000

De

ath

s/Y

ea

r

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• Edat > 70a.

• Traumatismes

• Diabetes

• Cirrosi Hepàtica

• Cremats

• Neoplasies

• Immunosupressors

• Resistencia a Antibiòtics

• Insuficiència Renal

• Insuficiència Respiratòria

XOC SÈPTIC

Factors de risc de mortalitat

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45%

Malalt médic Quirúrgic

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Elimina foco

Anestesia (hmd) Cirugía( inflamación)

… no hay antibiótico tan rápido….. … aumentamos morbilidad..

Cirugía

Millors resultats amb cirurgía

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No todo son los antibióticos y la cirugía

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HORAS/ DIAS

FO. FMO

I. sistémica

I. local

Carga bacteriana

23% mortalidad

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Fiebre/hipotermia

Leucos/leucopenia

Taquicardia

Taquipnea

Sepsis S.I.R.S. Infecció

Definicions: SIRS Resposta inflamatòria a una agressió externa Sepsis SIRS + infecció Sepsis greu Sepsis amb disfunció orgànica x hipoperfusió Xoc sèptic Sepsis + hipotensió malgrat reposició líquids

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Politraumàtics

Cremats

Pancreatitis

Altres

Sepsis S.I.R.S. Infecció

Xoc sèptic

Definicions: SIRS Resposta inflamatòria a una agressió externa Sepsis SIRS + infecció Sepsis greu Sepsis amb disfunció orgànica x hipoperfusió Xoc sèptic Sepsis + hipotensió malgrat reposició líquids

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Sepsis: infección documentada y 1 o + de los siguientes

Variables generales

Fiebre (>38,3ºC) ó hipotermia (<36ºC)

Taquicardia (> 90 lpm)

Taquipnea

Alt. estado mental

Edema notable ó balance + (>20 ml/kg en 24h)

Hiperglucemia (>120 mgr/dl)

Variables inflamatorias

Leucocitosis (>12000) o leucopenia (< 4000) ó > 10% de bandas

PRC o PCR elevada (> 2 ds normal)

Varibles hemodinámicas

Hipotensión (TAS<90 mmHg, TAM < 70 mmHg, TAS> 40 mmHg ó > 2 DS)

SvO2 > 70%

IC > 3,5

Disfunción orgánica

Hipoxemia (Pa/FiO2<300)

Oliguria (<0,5 ml/kg/h al meno en 2 horas

Creatinina (> 0,5 nivel basal)

INR > 1,5 ó TTPa > 60 sec

Íleo paralitico

Plaquetas < 100.000

BiT > 4 mg/dl

Perfusión tisular

Láctico elevado (> 1 mmol/L) (?)

Relleno capilar > 3 seg o piel moteada

Sepsis severa (sepsis + disfunción orgánica)

Shock séptico (sepsis e hipotensión (refractaria líquidos) o láctico elevado

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DISFUNCIÓN ORGÁNICA

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XOC SÈPTIC

Causes HIPÒXIA Tissular

• Microembolismes

• Lesió endotelial : EDEMA

– distancia capilar - cèl·lula

– compressió capilar

• Bloqueig de la captació

mitocondrial d’O2

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XOC SÈPTIC

Causes HIPÒXIA Tissular

• Apertura de shunts A-V

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• FOCUS: – Genitourinari

– Respiratori

– Gastrointestinal

– Pell

– Ferides

– Catéters

XOC SÈPTIC

ETIOLOGIA

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• FOCUS: – Genitourinari

– Respiratori

– Gastrointestinal

– Pell

– Ferides

– Catéters

XOC SÈPTIC

ETIOLOGIA

• Organismes: – BGN (>80%): E. Coli, Pseudomona,

Klebsiella…

– Stafilococ Aureus

– Streptococ pneumoniae

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MARSA (*) BLEE

PSEUDOMONA MR ACINETOBACTER

STENOTROPHOMONA E. FAECIUM….

RESISTENCIA VIRULENCIA

RESISTENCIA

Virulencia

E. COLI

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• Hipovolemia

• Disfunció miocàrdica

• Hipoxia tissular

XOC SÈPTIC

FISIOPATOLOGIA

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• Dèficit de Volum Previ

• Exudació Capilar

• Tercer Espai

• Vasodilatació mediada per l’Òxid Nítric

XOC SÈPTIC

Causes HIPOVOLÈMIA

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• Biventricular

• Dilatació ventricular i F.E.

• Reversible

• Indicador de bon pronòstic si dilatació ventricular

• Causes: – isquèmia miocàrdica

– mediadors humorals: • Substància depresora del miocardi (MDS)

• Tumor necrosis factor (TNF)

• Interleuquines ?

• Endotoxina ?

XOC SÈPTIC

Disfunciò Miocàrdica

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Hipovolemia

Depresión miocárdica

Vasodilatación

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• Febre

• Hiperventilació (per efecte de l’endotoxina sobre el SNC)

• Taquicardia

• Hipotensió

• Hipoperfusió tisular: – Ronyo oliguria

– SNC obnubilació

– Cor isquèmia coronària

– Gastrointestinal isquemia intestinal i hepàtica

– Pell fredor cutània

XOC SÈPTIC

CLINICA

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• Respiratòries – Alteració V/Q

– Fatiga Diafragmàtica

– SDRA

• Insuficiència Renal

• CID

• Fracàs Multiorgànic (M.O.F.)

XOC SÈPTIC

COMPLICACIONS

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Sepsis

Mediadors imflamatoris: LPS, citoquines, TNF,...

Activació neutròfils

Acumulació neutròfils a l’endoteli i interstici pulmonar

Alliberament metabolits oxidatius i enzims proteolítics

Lesió epitelial i endotelial

SDRA

Sepsis i SDRA

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Tractament xoc sèptic

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Tractament

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Antecedents

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Antecedents

- Sepsis severa i shock sèptic

- Alta prevalença

- Alta mortalitat

- Incidència en augment

“Golden hours”

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A. Ressucitació inicial

?

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(Rivers E, N Engl J Med, 2001)

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SSC 2012: Hemodinamia. Fluidos

• De preferencia: Cristaloides hasta un máximo de 30 ml/kg en Sepsis Severa • Con hipoperfusión órgano +

• Sospecha de hipovolemia

• No recomiendan coloides (HES)

• Albúmina cuando se requieran de grandes cantidades de cristaloides

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Líquids

fins 30ml/kg

RECOMANEN FER FLUIDS CHALLENGE !!

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Sépticos

Alemán-VISEP Scandinavo-6S Francés-

CRYSTMAS

NEMJ-2008 NEMJ-2012 Crit Care-2012

Pacientes Médico-quirúrgicos Médico-quirúrgicos Médico-quirúrgicos

Tipo Sépticos Sépticos Sépticos

Cristaloide R-Lactato R-Acetato SS 0,9%

Coloide HES (200/0,5, 10%) HES (130/0,4, 6%) HES (130/0,4, 6%)

Rip 28 d = = =

Rip 90 d = (0.09) HES =

Inf. Renal HES = (0.08) =

T S Renal HES HES =

Coag /sangrado HES HES =

Comentarios

Underpowered

Estudio “raro”

38% HES >20

ml/kg/d

Ya reanimados

Estabilización =

Coloids hemodiluyen

Underpowered

Tiempo

Excluyen IR severa

HMD+rápida (2,5 h)

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Alemanys

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Francesos

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Escandinaus

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Australians

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Diagnòstic. Cultius

• Hemocultius: abans de començar tractament antibiòtic com a mínim 1 percutani i un altre de cada accés vascular col.locat fa > 48 h

• Altres cultius

• Sempre que no demori l’inici del tractament

• No recomanacions de la utilitat de la procalcitonina o la PCR per diferenciar infecció d’inflamació.

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Tractament antimicrobià

• Tractament antibiòtic ev efectiu durant la primera hora

(cada hora de retràs s’associa a un augment de mortalitat)

• Antibiòtics d’ampli espectre i adequats per la localització de la infecció.

• Desescalar quan sigui possible: evaluar diariament

• Si posteriorment no hi ha evidència d’infecció, guiar-se a través de nivells baixos de procalcitonina per suspendre AB empírics

• Teràpia combinada empírica no més de 3-5 dies

• Durada tractament: 7-10 dies

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D. Tractament antimicrobià

Doble cobertura - Ps. Aeuroginosa - Acineto - Sepsis grave

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Control de focus

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H. Vasopressors

TAM > 65mmHg si HTA previa

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Noradrenalina 0.05-2 g/kg/min

0,5 g/kg/min 10 ml/h

Corticoides Estatines

Hidrocortisona 200 mg/24h/BPC/ev

1 g/kg/min 20 ml/h

< 24h: Afegir adrenalina > 24h: Afegir vasopresina

1,5 g/kg/min 30 ml/h

Valorar HDFVVC < 36 h: valorar HDFVVC + filtre de polimixina

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H. Vasopressors

Adrenalina Augmenta nivells de làctic per estimulació d’adrenoreceptor -2 muscular

Invalida làctic per seguir evolució del shock

Fenilefrina Arritmies greus si associat amb noradrenalina

GC alt amb TAM persistentement baixa Indicat quan tota la resta fallen

Vasopresina

Nivells alts les primeres 24-48 h de shock Nivells baixos en shock persistent (relative vasopresin deficiency)

Isquèmia cardíaca, digital i esplàcnica

Dopamina Només en bradicardies basals i/o pacients amb baix risc arritmogènic

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I. Inotrops

Ecocardio?

Levosimendan?

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Fármac Dosis/ dilución

Acción Estimulación Cardíaca

VSC VSD CO Comentarios

Norepinefrina 0.05-2 g/kg/min 50 mgr/250 ml

-1 -1 (algo)

++ ++++ 0 /0 FC Util en vasodilatacion

Circulación coronaria

Dopamina 0,5-20 g/kg/min 400 mgr/200 ml

dopa < 5 : 5-10 > 10 g/kg/min

++ a 5-10

g/kg/min

++ a 7

g/kg/min

+ a 0.5-5.0

g/kg/min

Taquicarritmias CMO2

VSD coronaria, renal, cerebral, mesenterio

Fenilefrina 40-200 g/min 10 mgr/250 ml

0 ++++ 0 FC, cefalea, inquietud, ok para taquicardia y/o taquiaritmias supra ventric

Vasopresina 0.01-0,04 U/min 20 U/100 ml

y V1 0 ++++ + No pasar 0.04 Isquemias variadas

Epinefrina 0.1-0.5 g/kg/min 1 mgr/250 ml

, ++ ++ a 0.03-0,15

g/kg/min

++ ++ a 0.15-0.30

g/kg/min

+++ Taquidisrritmias, CMO2,

leucocitosis, Láctico

Dobutamina 2,5-20 g/kg/min 500mgr/250 ml

-1, algo -2 y

-1 dosis

++++ + ++ Taquiaritmias, CMO2 Hipotension en hipovolemicos < VSC periferica que dopa

NTG 5-60 g/min 50 mg/250 ml

Relx musc Coronaria y sistemica

0 0 +++ /0 Cefalea, FC,

hipersensibilidad

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J. Corticoides

Hidrocortisona

No, si amb líquids i vasopresors aconseguim estabilitat hemodinàmica

Dosis de 200 mg/día ev en BPC (menys hiperglicemia i hiperNa)

No afegir fludrocortisona

Disminució progressiva quan haguem suspès vasopressors

No realitzar test d’ACTH

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J. Corticoides

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K. Altres teràpies

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Altres teràpies

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Altres teràpies (maneig SDRA)

• Ventilar a 6ml/kg

• P plateau inicial max 30cmH2O

• Aplicar PEEP (si SDRA moderat/greu PEEP elevades)

• Maniobres de reclutament en casos d’hipoxèmia refractària

• Col.locar en prono si PAFI < 100

• Llit a 30-45º per evitar NAVM i disminuir risc BAS

• NIV només en casos molt seleccionats

• Iniciar weaning quan compleixi criteris (despert, HMD estable,

requeriments Pinsp baixes i FiO2 baixes)

• Administració restrictiva líquids

• No utilitzar CAP rutinàriament

• No utilitzar B-adrenèrgics rutinàriament (broncoespasme si)

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Altres teràpies (sedació)

• Sedació continua o intermitent mínima si VM (buscar endpoints)

• Evitar relaxants musculars si no SDRA (si cal, monitoritzar amb

train-of-four )

• En SDRA amb PAFI <150mmHg fer tanda curta RM <48h

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Altres terapies

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Altres teràpies

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Altres teràpies

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Un punt clau: ressucitació inicial

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Recomendaciones en quirófano de manejo de sepsis grave/shock séptico:

Hemocultivos Al colocar la vía central Antes de administrar antibióticos Incluso en normotermia

Al colocar la vía central Muestra la láctico Muestra para ScvO2

Antibióticos Lo antes posible Antes de la cirugía Según protocolo

Control de foco (cirugía): lo antes posible Manejo de hemodinamia

Con GCC Líquidos (cristaloides) según VVS Inotrópicos (dobutamina) según IC Vasopresores (nordrenalina) para TAM > 65 mmHg Hidrocortisona (noradrenalina > 15 ml/h) La TA no es el objetivo, sino un medio para optimizar

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No recomanats

• Eritropoietina

• Inmunoglobulines

Baixa qualitat de l’evidència científica que existeix

• Seleni

Pobre evidència científica

• Proteína C activada recombinant

No evidència científica

Retirada del mercat

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Per acabar...

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F. Prevenció infecció

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Xoc Hipovolèmic

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• PÈRDUES EXTERNES: – Sagnat – Vòmits, diarrees… – Drenatges – Cremats

• PÈRDUES INTERNES: – hemotòrax, hemoperitoni – oclusió intestinal, ascitis... – fractures, hematomes… – cirurgia recent

• RESTRICCIÓ DE LIQUIDS: – manca ingesta – dejú per exploracions o cirurgia

Xoc Hipovolèmic

ETIOLOGIA

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• ACTIVITAT SIMPATICA

– Taquicardia

– Contractilitat

– Retorn venòs (modificat per anestèsics)

– Resistències vasculars sistèmiques

• RECUPERACIO DE LA VOLEMIA

– Osmolaritat plasma: Glucosa, lactat, urea, AA,...

– Fluxe transcapilar d’albúmina

– P hidrostàtica capilar

• APERTURA DE SHUNTS A-V

• PERFUSIÓ ORGÀNICA SELECTIVA

Xoc Hemorràgic

Respostes Fisiològiques

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Xoc Hemorràgic

Classificació

Letàrgia Confusió Ansietat Normal SNC

Anuria 5-15ml/h 20-30ml/h > 30ml/h Diuresis

> 35 30-40 20-30 14-20 F.R. (rpm)

Normal P.P.

Normal Normal T.A.

140 120-140 100-120 <100 F.C. (bpm)

> 40% 30-40% 15-30% < 15% SAGNAT

American College of Surgeons of Advanced Trauma Life Support: classificació severitat hemorràgia (ATLS)

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Xoc Hemorràgic

Respostes Fisiològiques

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Xoc Hemorràgic

Respostes Fisiològiques

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• Control del sagnat

• Si PCR seguir ABC (Airway, Breathing, Circulation)

• Posició correcta del pacient (pla o cames aixecades, no Trendelemburg)

• Hipotensió permisiva

• Reposició volèmia (coloides, cristaloides, sol. balan.)

• Transfusió

• Hiperoxigenació

• Tractar 3H

Xoc Hemorràgic

Tractament

TRIADA LETAL

HIPOTÈRMIA

ACIDOSIS COAGULOPATIA

C.I.D. “ Death is coming..”

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Xoc Cardiogènic

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• Miopàtic – Infart De Miocardi – Miocardiopatia Dilatada – Sortida De CEC

• Mecànic – Valvulopatia – Defecte Pared Ventricular

• Arrítmia • Obstructiu

– Taponament Pericàrdic – Pericarditis Constrictiva – Tromboembolisme Pulmonar – Coartació Aòrtica – Neumotòrax a Tensió

Xoc Cardiogènic

Etiologia

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INDICE CARDIACO

PRESION CAPILAR PULMONAR

2,5

18

Normal

ShockHipovolémico

Edema agudo pulmón

Shock cardiogénico

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Xoc Cardiogènic

Corbes Starling

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Xoc Cardiogènic

Corbes Starling

Diurètics Vasodilatadors

Líquids

Inotrops

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• Sèptic

• Anafilàctic

• Neurogènic

• Endocrinològic

Xoc Distributiu

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Xoc Anafilàctic

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• Fàrmacs

– Antibiòtics – Anestèsics:

» curares » làtex » agents hipnòtics » substituts del plasma » opioides » benzodiacepines .

– Contrast radiològic – AINES

• Productes naturals

– Polen, fruits secs, picades insectes...

XOC ANAFILÀCTIC

ETIOLOGIA

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• Cardiovascular – Taquicardia – Hipotensió – HTA Pulmonar

• Respiratòria – Broncoespasme – Edema de Glotis – Edema Pulmonar no cardiogènic

• Cutània – Urticaria – Flushing – Edema periorbitari

XOC ANAFILÀCTIC

CLINICA

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• Retirar al·lèrgen

• Si PCR seguir l’ABC

• Líquids +++

• Adrenalina (100mcg) efecte VC

efecte BD

• Altres catecolamines: Noradrenalina, fenilefrina

• Dopamina, Efedrina

• Broncodilatadors (…Halogenats)

• Corticoides (efecte a les 4-6h)

• RCP prolongada

XOC ANAFILÀCTIC

TRACTAMENT