Meningitis aguda en adultos - medicinainternaelsalvador.com · nasofaringitis n. meningitidis...
Transcript of Meningitis aguda en adultos - medicinainternaelsalvador.com · nasofaringitis n. meningitidis...
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Meningitis aguda en adultosDr. Luis Ernesto González SánchezNeurólogo-Neurofisiólogo-Internista
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MENINGITIS AGUDA EN ADULTOSMENINGITIS AGUDA EN ADULTOS
RESUMENLa meningitis es una emergencia medicaPaso: 1 Si existe el diagnostico debe hacersea.RMI o TAC con contraste en tiempo de
fase retardadab.Punción lumbar según el contexto
clínico e imágenesc.Tratamiento empírico inmediato según
los factores clínicos datos de riesgo
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CASO 1
A 20-year-old man presents to the emergency department in early June
complaining of 6 hours of fever, headache, and pain on flexion of his
neck. He underwent renal transplantation 1 year ago. On examination
he is febrile and has meningismus. There is a slight erythematous
maculopapular rash on his chest. The neurological examination is normal
with the exception of meningismus. Blood cultures are obtained. The
patient is treated with dexamethasone 10 mg intravenously followed
by cefepime 2 grams intravenously, vancomycin 1 gram intravenously,
and ampicillin 3 grams intravenously. Over the course of an hour, he
becomes increasingly lethargic and has a focal motor seizure with
secondary generalization. Acyclovir 10 mg/kg and doxycycline 100 mg
are added to the empiric regimen. Head computed tomographic (CT)
scan is normal. Spinal fluid analysis demonstrates an opening pressure of
320 mm H2O, 1000 white blood cells per mm3 with a predominance of
polymorphonuclear leukocytes, a glucose concentration of 10 mg/dL, and a
protein concentration of 100 mg/dL. Gram’s stain of CSF demonstrates
gram-positive lancet-shaped diplococci in pairs. Ampicillin, acyclovir, and
doxycycline are discontinued. 1, 2, 3, 4
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CASO 1
Comment. Empiric therapy of bacterial meningitis is based on the
possibility that a penicillin- and cephalosporin-resistant strain of
S. pneumoniae is the causative organism of the meningitis and
should include a combination of either a third- or fourth-generation
cephalosporin plus vancomycin. The patient is an organ transplant
recipient and thus is at risk for L. monocytogenes meningitis. Ampicillin
is added to the empiric regimen until the results of the Gram’s stain are
known. When the patient has a focal seizure, empiric therapy for HSV
encephalitis is added. As it is June, the possibility of a tick-borne bacterial
infection, either Rocky Mountain spotted fever or an ehrlichia infection,
should be considered in the differential diagnosis and empiric therapy
with doxycycline initiated until another diagnosis is made. Once
the antimicrobial sensitivities of the organism are available, the antibiotic
regimen is modified.
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Meningitis Meningitis agudaaguda en en adultosadultos, vista global, vista globaledadedad: >1m, : >1m, DurDur: <4 : <4 semanassemanas
HONGOCRIPTOCOCO
TRAUMA PENETRANTE O NO PENETRANTE,
POST-OP, VALVULA V-PFx BASE
CONTINUIDAD
INMUNOCOMPETENCIAVACUNACIÓN
ALERGIAS A ATBRESISTENCIAS
ATB:PNC,C3,4GTX PREVIOSEDAD: <1m,
>1m<50y≥ 50y
ASEPTICATx: HSV
NoTX: Entero-V,Arbo-V.Mumps-V,
LCM-Virus,WNV
BACTERIANAT o ,Rig Cuello,
LCR: Pleocitosis>15-≤50
SP Pneumonie (SPN)N Meningitidis
≥50: SPN, G-,
L. Monocytogenes, Hi-b
VIRALCXK-A, CXK-B
ECHO-V,Entero-V 68-71
Artropo-Borne-VHSV-2, EB-Virus,HIV-
1 Varicela-Z, LCM-Virus
Mump-VirusAdenovirus
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Fuentes de meningitis
DEFECTO DE LA LAMINA CRIBOSA
ETMOIDITISNASOFARINGITIS
NEUMONIAS
FURUNCULOSISCELULITIS
LEPTOMENINGITIS
FRACTURA DE LA BASE DEL
CRANEO
OTITISMEDIA
MASTOIDITIS
SENO DERMOIDE CONGENITO
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Fuentes de meningitis S. Pneumonia y N. Menigitidis
DEFECTO DE LA LAMINA CRIBOSA
ETMOIDITISNASOFARINGITISN. MENINGITIDIS
NEUMONIAS
FURUNCULOSISCELULITIS
LEPTOMENINGITIS
FRACTURA DE LA BASE DEL
CRANEOSP PNEUMONIA
OTITISMEDIA
N. MENINGITIDIS
MASTOIDITIS N. MENINGITIDIS
SENO DERMOIDE CONGENITO
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Otras fuentes de meningitis Pneumoccócica
TALASEMIA MAYORANEMIA CELULAS
FALCIFORMESMIELOMA
SP PNEUMONIA
DIABETESSP PNEUMONIA
ALCOHOLISMO
DEFICIENCIA DE COMPLEMENTO
HIPOGAMMAGLOBULINEMIA
Enfermedad de BrutonSP PNEUMONIA
TRAUMA CRANEANO
SP PNEUMONIA
EsplenectomíaSP PNEUMONIA
RINORREA DE LCR
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Meningitis infrecuentes
HAEMOFILUS INFLUENZA
COCO-BACILOGRAM -
PSEUDOMONA AERUGINOSA
BACILO GRAN -
LISTERIA MONOCITÓGE
NESCOCO BACILO
GRAM +
ESTAFILOCOCOSCOCOS GRAM +
KLEBSIELLABACILO GRAM -
E. COLIBACILO
GRAM (-)ENTEROBACTERCOCO O BACILO
GRAM -
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FACTORES QUE PREDISPONEN A MENINGITIS y RECURRENCIAS
Overturf GD. Indications for the immunological evaluation of patients with meningitis. Clin Infect Dis 2003;36:189–194.
Look for antibody and complement deficiencies in every patient with bacterial meningitis,even those who have no known predisposing immunodeficiency.
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FACTORES QUE PREDISPONEN A MENINGITIS
Properdina o factor P
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Huesped/Agente en meningitis
Valvula de OmmayaRiezgo de adquirir
Estafilococo Coagulasa negEstafilococo Aureus
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Variedad de deficiencia inmune y duración
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Variedad de deficiencia inmune celular
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Variedad de deficiencia inmune humoral
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CLINICA
TRIADA: FIEBRECEFALEARIGIDEZ DE CUELLO
1, 2,
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CASO CLINICO
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CASO CLINICO
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CASO CLINICO
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CASO CLINICO
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CASO CLINICO
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CASO CLINICO
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CASO CLINICO
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CASO CLINICO
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CASO CLINICO
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ESTUDIOS EN MENINGITIS
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TRATAMIENTO EMPIRICO INMUNOCOMPETENTE MAYOR MENOR DE 1 MES
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TRATAMIENTO EMPIRICO INMUNOCOMPETENTE MAYOR MENOR DE 1 MES
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TRATAMIENTO EMPIRICO INMUNOCOMPETENTE ≥ 1 mes y ≥ 50 años
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CASO CLINICO
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TRATAMIENTO EMPIRICO INMUNOCOMPETENTE ≥ 50 años
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TRATAMIENTO EMPIRICO INMUNOCOMPETENTE ≥ 50 años
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TRATAMIENTO EMPIRICO INMUNODEPRIMIDO CUALQUIER EDAD
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TRATAMIENTO MENINGITIS BACTERIANA AGUDA EN ADULTOS
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TRATAMIENTO EN MENINGITIS BACTERIANA AGUDA
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GRACIASDr. Luis Ernesto González SánchezNeurólogo