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Methacholine in Medical News

More Sweat Equals Lower Risk of Exercise-Induced Asthma

...pine. In other words, the more hyperactive the airway, the less the sweat production. The average sweating rates of those who didn't respond to the methacholine were higher -- and they didn't have asthma. "The same thing that controls how well you sweat controls how well you control airway secretion," Locke...

Asthma in boys may be just a phase, but for girls it may be there to stay

...thma and performed annual spirometric testing with methacholine challenges to quantify their AR. After an aver...each individual had undergone eight to nine annual methacholine challenges, the researchers were able to identify a clear pattern: when it came to the amount of methacholine it took to provoke airway constriction, the girls'...

Chest Journal: August news briefs

...ses them to have poorer asthma control than people who are not obese with asthma. Researchers from Quebec, Canada compared pulmonary function changes, methacholine challenge scores, sputum induction cell counts, symptom perceptions, BMI/waist circumference, and waist-to-hip ratio of 44 obese subjects with asthma ...

Obesity May Worsen Impact of Asthma

... BMI: normal weight, overweight and obese. All the women breathed nebulized methacholine to induce an asthma-like attack and were then assessed for changes in lung ...ity (IC -- how much air could be inhaled on the next breath). "After the methacholine challenge, the amount of bronchoconstriction was identical for each of the ...

Obesity worsens impact of asthma

...verweight and obese. Each woman breathed nebulized methacholine to artificially induce an asthma-like attack, and ... breath (inspiratory capacity, or IC). After the methacholine challenge, the amount of bronchoconstriction was i...atic counterparts in having a lower FRC before the methacholine challenge than the non-obese group, yet still reco...

Cat Exposure Increases Bronchial Responsiveness

...a common mold) and timothy grass. The researchers used the objective measure of choice in epidemiological studies on asthmaBR in response to a methacholine challenge to analyze the interaction between exposure to house dust mite and cat allergen and prior allergic sensitization. Because the study included...

Allergic Individuals Should Keep Away from Cats, Say UK Scientists

...s, and data on sensitisation to four main allergens cat, house dust mite, Cladosporidium (a common mold) and timothy grass. Participants were given a methacholine challenge test, a medical procedure used to diagnose asthma, and the results were compared with the allergens found in the mattress samples. M...

Asthma Breath Test in Diagnosis of Chronic Cough

...d for asthmatics, is a great deal simpler for patients and predicts response to corticosteroid treatment better than the other commonly used test; the methacholine challenge. This was the conclusion arrived at by the study conducted on 114 patients to assess chronic cough. "We're thinking this could be a sign...
Methacholine in Medical Products

AsthmaKit™ Methacholine Bronchoprovocation Test Kit

Description: This convenient, procedural kit contains everything the health care professional needs to perform the methacholine challenge test quickly and efficiently: 7 nebulizers, T-piece and mouthpiece, exhalation filter, gas supply tubing, syringe and needle. Shipped 5 kits per case. Not available in ...
Company:DHD Healthcare
Methacholine in Biological News

Athletes' 'sweat and tears' linked to asthma

...on between the net sweat fluid excretion and net sweat sodium excretion, with sodium excretion rates being higher in subjects who were unresponsive to methacholine compared with those who were responsive. Additionally, a significant correlation was found between sweat secretion and unstimulated salivary gland flo...
Methacholine in Biological Technology

Pharmaxis Research Programs Highlighted at European Respiratory Society Congress

... -- Using a dry powder of mannitol (Aridol) versus methacholine as challenge for routine practice -- ... -- A comparison of inhaled mannitol (Aridol), methacholine provocation and eucapnic voluntary hyperve...l) in comparison with exercise testing and methacholine challenge test in children -- Responsiveness ...
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