Hypersensitivity pneumonitis epidemiology and demographics: Difference between revisions

Jump to navigation Jump to search
No edit summary
No edit summary
Line 4: Line 4:


== Overview ==
== Overview ==
* The prevalence of HP varies significantly by region, climate, occupation/exposure and farming practices.
Hypersensitivity pneumonitis usually occurs in people who work in places where there are high levels of organic dusts, fungus, or molds. As the causative agent is dust, the prevalence of HP varies significantly by region, climate, occupation/exposure and farming practices.


* Farmers:  
* Farmers:  
Line 18: Line 18:
* Attack rates vary considerably, but can be high in sporadic outbreaks. For example a large proportion (52%) of office workers exposed to an infected humidifier were affected in one outbreak, and in another outbreak 27% of workers at a molding plant for polyurethane foam parts were affected.
* Attack rates vary considerably, but can be high in sporadic outbreaks. For example a large proportion (52%) of office workers exposed to an infected humidifier were affected in one outbreak, and in another outbreak 27% of workers at a molding plant for polyurethane foam parts were affected.


* The male to female ratio is approximately 1.2:1.
== Prevalence by gender==
Males are slightly more affected, The male to female ratio being approximately 1.2:1.


* The mean age of the patients with HP is 61 ± 0.7 years (epidemiologic data from Spain).
==Prevalence by age==
It generally occurs in patient with fourth and fifth decade of there life. The mean age of the patients with HP is 61 ± 0.7 years.


==References==
==References==

Revision as of 16:01, 23 September 2011

Hypersensitivity pneumonitis Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Hypersensitivity pneumonitis from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications & Prognosis

Diagnosis

Diagnostic Criteria

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

Chest X Ray

CT

MRI

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Hypersensitivity pneumonitis epidemiology and demographics On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Hypersensitivity pneumonitis epidemiology and demographics

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Hypersensitivity pneumonitis epidemiology and demographics

CDC on Hypersensitivity pneumonitis epidemiology and demographics

Hypersensitivity pneumonitis epidemiology and demographics in the news

Blogs on Hypersensitivity pneumonitis epidemiology and demographics

Directions to Hospitals Treating Hypersensitivity pneumonitis

Risk calculators and risk factors for Hypersensitivity pneumonitis epidemiology and demographics

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

Overview

Hypersensitivity pneumonitis usually occurs in people who work in places where there are high levels of organic dusts, fungus, or molds. As the causative agent is dust, the prevalence of HP varies significantly by region, climate, occupation/exposure and farming practices.

  • Farmers:
    • US: 8-540 cases per 100,000 persons per year among those at risk
    • UK: 420-3000 cases per 100,000 persons per year among those at risk
    • France: 4370 cases per 100,000 persons per year among those at risk
    • Finland: 1400-1700 cases per 100,000 persons per year among those at risk
  • Pigeon Breeders: 6000-21,000 cases per 100,000 persons per year
  • Bird Fanciers: 20-20,000 cases per 100,000 persons per year
  • Attack rates vary considerably, but can be high in sporadic outbreaks. For example a large proportion (52%) of office workers exposed to an infected humidifier were affected in one outbreak, and in another outbreak 27% of workers at a molding plant for polyurethane foam parts were affected.

Prevalence by gender

Males are slightly more affected, The male to female ratio being approximately 1.2:1.

Prevalence by age

It generally occurs in patient with fourth and fifth decade of there life. The mean age of the patients with HP is 61 ± 0.7 years.

References


Template:Respiratory pathology Template:SIB


Template:WikiDoc Sources