Croup: Difference between revisions

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[[Croup medical therapy|Medical therapy]] | [[Croup surgery|Surgical options]] | [[Croup primary prevention|Primary prevention]]  | [[Croup secondary prevention|Secondary prevention]] | [[Croup cost-effectiveness of therapy|Financial costs]] | [[Croup future or investigational therapies|Future therapies]]
[[Croup medical therapy|Medical therapy]] | [[Croup surgery|Surgical options]] | [[Croup primary prevention|Primary prevention]]  | [[Croup secondary prevention|Secondary prevention]] | [[Croup cost-effectiveness of therapy|Financial costs]] | [[Croup future or investigational therapies|Future therapies]]


==Causes==
Croup is most often caused by [[parainfluenza]] [[virus]], primarily types 1 and 3, but other viral and possibly [[bacterium|bacteria]]l infections can also cause it. It is most common in the fall and winter but can occur year-round, with a slight predilection for males.
The respiratory distress is caused by the inflammatory response to the infection, rather than by the infection itself. It usually occurs in young children as their airways are smaller and differently shaped than adults', making them more susceptible. There is some element of genetic predisposition as children in some families are more susceptible than others.
An entity known as '''spasmodic croup''' also occurs, distinct from the infectious variety, due to [[laryngospasm|laryngeal spasms]].


==Treatment==
==Treatment==

Revision as of 20:20, 1 February 2012

Croup
ICD-10 J05.0
ICD-9 464.4
DiseasesDB 13233
MedlinePlus 000959

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]


Overview

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Screening

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Differentiating Croup

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Treatment

The treatment of croup depends on the severity of symptoms.

One of the simplest ways to treat croup is to inhale hot steam. This was the sole treatment for croup throughout the nineteenth and most of the twentieth century. Hospitals today use a "blowby" apparatus for this purpose. Simpler remedies include taking the child outside in moist night air, or alternatively exposing the child to steam from a hot bath or a humidifier. These techniques may help in some cases, but there is little hard evidence to support their efficacy.

Mild croup with no stridor, or stridor only on agitation, and just a cough may simply be observed, or a dose of inhaled, oral, or injected steroids may be given. When steroids are given, dexamethasone is often used, due to its prolonged physiologic effects.

Moderate to severe croup may require nebulized adrenaline in addition to steroids. Oxygen may be needed if hypoxia develops. Children with moderate or severe croup are typically hospitalized for observation, usually for less than a day. Intubation is rarely needed (less than 1% of hospitalized patients).

Prognosis

Viral croup is a self-limited disease, but can very rarely result in death from complete airway obstruction. Symptoms may last up to 7 days, but typically peak around the second day of illness. Rarely, croup can be complicated by (or confused with) an acute bacterial tracheitis, which is more dangerous.

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