- Adult onset asthma is when the asthma symptoms appear and diagnosed in adults who are over 20 years of age
- Link between adult/late onset asthma and heart disease risk identified
- Physicians should pay attention to heart disease risk factors in late-onset asthma patients
You might think that asthma starts in the childhood But it's quite common for people to be diagnosed with asthma when they're an adult. This condition is known as "adult or late onset asthma" and women are more likely to develop asthma after the age 20.
‘Adult or Late-onset asthmatics were 57% more likely to suffer a cardiovascular event than non-asthmatics. They were more likely to be females and suffer from obesity.’
AdvertisementResearch team headed by Matthew C. Tattersall, followed 1269 adults of average age 47 without heart disease history for over 14 years.
The average age of asthma diagnosis in the late-onset group (defined in this study as beginning at age 18 or older) was 39.5 years vs. 8.9 years in the early-onset group.
At the start of the study, 166 participants had asthma out of which 111 cases were late-onset and 55 people were early-onset. Participants chosen for the study are part of the ongoing Wisconsin Sleep Cohort that begun in 1988 to investigate sleep, respiratory and cardiovascular health.
During the course of the study period, researchers tracked cardiovascular events, including heart attack, stroke, heart failure, angina, cardiac revascularization and cardiovascular death. Risk factors for cardiovascular disease such as smoking, hypertension, diabetes and obesity that might bias results were accounted.
- People with late-onset asthma were 57% more likely to suffer a cardiovascular event than non-asthmatics.
- People with late onset asthma compared to non-asthmatics were more likely to be females (67 percent vs 44 percent) and to have a higher body-mass index (BMI, 32.2 vs 29.4 kg/m2).
- People with early-onset asthma had no difference in cardiovascular disease events compared to people without asthma
Difference Between Childhood Asthma and Adult Onset Asthma
- Asthma symptoms in childhood may come and go, but asthma symptoms in adults may be continuous.
- Lower lung capacity in adults may lead to misdiagnosis of adult onset asthma.
Causes of Adult Onset Asthma
- Prolonged exposure to workplace materials
- People who are allergic to cats are at an increased risk for developing adult onset asthma
- Exposure to allergens or irritants such as cigarette smoke, chemicals, mold, dust
- Hormonal fluctuations in women: Some women develop asthma symptoms for the first time during or after pregnancy, while going through menopause.
- Illnesses or infections
Symptoms of Adult Onset Asthma
- Dry cough - especially at night
- Chest tightness
- Shortness of breath
- Breathing difficulties
According to the research team,
Late onset asthma
a) Is difficult to control
B) Triggered by air pollution that leads to decline in lung function
Tattersall said "Doctors should be monitoring for high blood pressure and cholesterol closely in these patients and be aggressive in modifying any risk factors,"
Limitations of the Study
- Most study participants were white
- Information about key factors such as air pollution exposure and stressful life events, were not available
Ways to Manage Adult Onset AsthmaLate onset asthma patients can improve their chances of keeping a healthy heart and diminish their risk of stroke by following a healthy lifestyle -
- Regular exercising
- Eating a healthy diet
- Maintaining a normal weight
- Late-onset asthma linked to increased heart disease, stroke risk - (http://www.eurekalert.org/emb_releases/2016-08/aha-lal082216.php)
- Adult Onset Asthma - (http://asthmaandallergies.org/asthma-allergies/adult-onset-asthma/)
- Types of asthma - (https:www.asthma.org.uk/advice/understanding-asthma/types/#adult)
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