Infectious Disease Book

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Adenovirus

Arenavirus

Orthopoxvirus

Paramyxovirus

Parvovirus

Rhabdovirus

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Mumps

Aka: Mumps
  1. Epidemiology
    1. Peak Age 10-19 years
    2. Incidence
      1. U.S. Cases in 1968: 152,000 cases
      2. U.S. Cases in 2000: 338 cases
      3. U.S. Cases in 2015: 1057 cases
  2. Pathophysiology
    1. Caused by a paramyxovirus
    2. Transmission
      1. Transmitted easily by airborne droplet spread (Saliva or nasal secretions)
      2. Also transmitted in urine
    3. Infectious:
      1. Start: 6 days before Parotitis
      2. Ends: 2 weeks after symptom onset
    4. Incubation: 12-25 days (typically 16-18 days)
  3. Symptoms
    1. Subclinical presentation in 20-40% of cases
    2. Prodrome
      1. Fever
      2. Malaise
      3. Headache
      4. Anorexia
      5. Myalgia
    3. Sudden onset pain in cheeks lasting >2 days
      1. Unilateral or bilateral
      2. Provoked by chewing or swallowing
      3. Worse with sour foods
    4. Associated Symptoms
      1. Otalgia
      2. Trismus
  4. Signs
    1. Sialadenitis
      1. Parotitis occurs in 30-40% of patients
      2. Tender swelling of all Salivary Glands
      3. Typically bilateral involvement (but may start unilaterally)
      4. Skin over Parotid Gland not warm or red
        1. Contrast with Bacterial Sialadenitis
      5. Tenderness at mandibular angle
      6. Parotid duct opening appears red in Buccal mucosa
    2. Orchitis (3-10% of postpubertal males)
      1. Occurs 7-10 days after Parotitis
  5. Complications
    1. Orchitis (see signs as above)
      1. Testicular Atrophy (50%)
      2. Sterility if bilateral involvement
    2. Pancreatitis (usually uncomplicated)
    3. Central Nervous System Involvement
      1. Asymptomatic Cerebrospinal Fluid Leukocytosis (50%)
      2. Less common causes
        1. Encephalitis (1 case per 400 to 6000 Mumps cases)
          1. Mortality: 1-2% death rate from Encephalitis
        2. Paralytic Polio-like syndrome
        3. Transverse myelitis
        4. Cerebellar Ataxia
    4. Miscellaneous
      1. Subacute Thyroiditis
      2. Dacryoadenitis
      3. Optic Neuritis
      4. Iritis
      5. Conjunctivitis
      6. Myocarditis
      7. Hepatitis
      8. ThrombocytopeniaPurpura
      9. Interstitial Pneumonia
      10. Migratory polyarthritis
  6. Labs
    1. Complete Blood Count
      1. Parotitis: Relative Lymphocytosis
      2. Orchitis: Marked Leukocytosis
    2. Serum Amylase increased
    3. Cerebrospinal Fluid
      1. White Blood Cells: 1000-2000 with Neutrophils
  7. Diagnosis: Culture, IgG, and IgM should all be done
    1. Culture
      1. Obtain sample within first 5 days of Parotitis
      2. Blood, Throat, CSF, Urine
      3. Immunofluorescence positive in 2-3 days
    2. Serology
      1. Mumps IgM
        1. Positive after day 3 of swelling
        2. Titers peak by one week
      2. Mumps IgG
        1. Obtain acute baseline Mumps IgG as soon as possible
        2. Check Mumps IgG again 3-5 weeks after onset
        3. Titer increases 4 fold
  8. Management
    1. Orchitis Symptomatic relief
      1. Prednisone 60 mg daily tapered over 7-10 days
  9. Prevention
    1. MMR Vaccine after age 1 year
      1. Effective at preventing mumps in 88% of immunized patients
  10. Prognosis
    1. Mortality: Up to 50 deaths per 1 million Mumps cases
  11. Resources
    1. CDC Mumps
      1. http://www.cdc.gov/vaccines/pubs/pinkbook/downloads/mumps.pdf
    2. Medscape EMedicine
      1. http://reference.medscape.com/article/966678-overview
  12. References
    1. Spencer (2017) Am Fam Physician 95(12): 786-94 [PubMed]

Mumps (C0026780)

Definition (MSHFRE) Maladie infectieuse aiguë due à un rubulavirus. La transmission se fait par contact direct, par des goutellettes aéroportées, par des objets souillés par de la salive infectieuse et peut-être par l'urine. Bien que des adultes puissent être infectés, l'infection survient principalement chez les enfants de moins de 15 ans. ( Extr. Dorland, 28ème éd.)
Definition (MEDLINEPLUS)

Mumps is an illness caused by the mumps virus. It starts with

  • Fever
  • Headache
  • Muscle aches
  • Tiredness
  • Loss of appetite

After that, the salivary glands under the ears or jaw become swollen and tender. The swelling can be on one or both sides of the face. Symptoms last 7 to 10 days. Serious complications are rare.

You can catch mumps by being with another person who has it. There is no treatment for mumps, but the measles-mumps-rubella (MMR) vaccine can prevent it.

Before the routine vaccination program in the United States, mumps was a common illness in infants, children and young adults. Now it is a rare disease in the U.S.

Centers for Disease Control and Prevention

Definition (NCI) A contagious viral infection caused by the mumps virus. Symptoms include swollen and tender parotid glands, fever, muscle aches and fatigue. Due to vaccination programs, mumps has become a rare disease.
Definition (MSH) An acute infectious disease caused by RUBULAVIRUS, spread by direct contact, airborne droplet nuclei, fomites contaminated by infectious saliva, and perhaps urine, and usually seen in children under the age of 15, although adults may also be affected. (From Dorland, 28th ed)
Definition (CSP) acute, inflammatory, contagious disease caused by Rubulavirus and characterized by swelling of the salivary glands, especially the parotids, and sometimes of the pancreas, ovaries, or testes; spread by direct contact, airborne droplet nuclei, fomites contaminated by infectious saliva, and perhaps urine.
Concepts Disease or Syndrome (T047)
MSH D009107
ICD9 072
ICD10 B26, B26.9
SnomedCT 154352008, 186652008, 186651001, 240526004, 36989005
LNC LP32627-9, LA10491-1
English Mumps, Epidemic Parotitides, Parotitides, Epidemic, Parotitis, Epidemic, epidemic parotiditis, mumps (diagnosis), parotitis infectious, infectious parotitis (diagnosis), mumps, epidemic parotitis (diagnosis), parotitis epidemic, infectious parotitis, epidemic parotitis, Clinical mumps, Mumps NOS, Mumps parotitis NOS, Mumps [Disease/Finding], mumps parotitis, Parotitis - epidemic, Epidemic parotitis, Infectious parotitis, Mumps parotitis, Mumps (disorder), Mumps parotitis (disorder), epidemic; parotitis, infectious; parotitis, parotitis; epidemic, parotitis; infectious, Mumps, NOS, Epidemic Parotitis
Dutch epidemische parotitis, klinische bof, epidemica; parotitis, infectieus; parotitis, parotitis; epidemica, parotitis; infectieus, bof, Bof, Parotitis epidemica
French Parotidite épidémique, Cas cliniques d'oreillons, Oreillons
German klinischer Mumps, epidemische Parotitis, Mumps, Parotitis epidemica
Italian Parotite clinica, Parotite epidemica, Orecchioni
Portuguese Papeira clínica, Parotidite epidémica, Papeira, Trasorelho, Parotite Epidêmica, Caxumba, Parotidite Epidêmica
Spanish Parotiditis epidémica, Infecto-Fiebre Urliana, Parotiditis Urliana, Parotitis Epidémica, Fiebre Urliana, paperas, fiebre urliana, parotiditis (trastorno), parotiditis epidémica, parotiditis infecciosa, parotiditis urliana (trastorno), parotiditis urliana, parotiditis, Paperas, Parotiditis Epidémica
Japanese 臨床的耳下腺炎, ムンプス, リュウコウセイジカセンエン, リンショウテキジカセンエン, おたふくかぜ, ムンプス, マンプス, 流行性耳下腺炎, 耳下腺炎-流行性
Swedish Påssjuka
Czech příušnice, Manifestní parotitis epidemica, Epidemická parotitida, Parotitis epidemica, parotitis epidemica
Finnish Sikotauti
Russian SVINKA, PAROTIT EPIDEMICHESKII, ПАРОТИТ ЭПИДЕМИЧЕСКИЙ, СВИНКА
Korean 볼거리
Croatian ZAUŠNJACI
Polish Zapalenie przyusznic nagminne, Świnka
Hungarian mumps, Epidemiás parotitis, Klinikai mumps
Norwegian Kusma, Infeksiøs parotitt, Epidemisk parotitt
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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