Facial paralysis, or Bell's palsy, has an incidence rate of 20-30 per 100,000 people per year. Most cases are peripheral nerve palsies, affecting males and females equally and more commonly the left side of the face. The average age is 40 years old and 90% of patients recover. Diagnosis involves examining symptoms like facial droop and numbness, and tests can include an EMg, ENG, CT or MRI to determine if the paralysis is central or peripheral in origin. Treatment depends on the cause but may include corticosteroids or antivirals to reduce inflammation.

1. Paralisis facial
Federico Failach Navar ro
Residente en Medicina Inter na
Univer sidad del Sinú

2. DEFINICION
VII PAR
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam Physician 2007;76:
997-1052; Otolaryngol Clin N Am 41 (2008) 619-632

3. EPIDEMIOLOGIA
 Incidencia de 20-30/100.000 H x año
 60-75% son paralisis perifericas
 masculino : femenino
 izquierdo : derecho
 edad media 40 años.
 90% de los pacientes se recuperan.
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam Physician
2007;76: 997-1052; Otolaryngol Clin N Am 41 (2008) 619-632

4. FISIOLOGIA
 Función motora
 Función sensitiva
 Función sensorial
 Función secretora
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam
Physician 2007;76: 997-1052; Otolaryngol Clin N Am 41 (2008) 619-632

5. ANATOMIA
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam Physician 2007;76: 9971052; Otolaryngol Clin N Am 41 (2008) 619-632

6. TIPOS DE LESIONES
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam Physician
2007;76: 997-1052; Otolaryngol Clin N Am 41 (2008) 619-632

7. CUADRO CLINICO
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam Physician
2007;76: 997-1052; Otolaryngol Clin N Am 41 (2008) 619-632

8. CENTRAL O PERIFERICA
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam Physician
2007;76: 997-1052; Otolaryngol Clin N Am 41 (2008) 619-632

9. DIAGNOSTICOS
DIFERENCIALES
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam Physician
2007;76: 997-1052; Otolaryngol Clin N Am 41 (2008) 619-632

10. CLASIFICAR
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam Physician
2007;76: 997-1052; Otolaryngol Clin N Am 41 (2008) 619-632

11. ESTUDIOS
COMPLEMENTARIOS
• Hemograma, glicemia, serologia HIV. otros
• Electromiografia facial
• Electroneurografia
• TAC craneo
• RNM con contraste.
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam Physician
2007;76: 997-1052; Otolaryngol Clin N Am 41 (2008) 619-632

12. TRATAMIENTO
N ENGL J MED 351;13 WWW.NEJM.ORG SEPTEMBER 23, 2009; Am Fam
Physician 2007;76: 997-1052; Otolaryngol Clin N Am 41 (2008) 619-632