Express diagnostics of asthma

The diagnosis of bronchial asthma still presents considerable difficulties for the local and family doctor, as it is largely based on the assessment of the subjective indicators of the patient’s well-being. One of the main problems in this regard is the need to differentiate asthma from allergic diseases with similar symptoms. Despite similar symptoms, the principles of treatment for asthma and, for example, allergic rhinitis are significantly different.
Meanwhile, overdiagnosis of bronchial asthma (that is, the erroneous diagnosis of such a patient who does not have it) leads them to take drugs that are unnecessary in their case and do not give the desired effect. In some countries, up to 30% of patients who are diagnosed with “bronchial asthma” do not actually suffer from it. Soon, American doctors will be able to diagnose asthma in a few minutes using a device that scientists from the University of Wisconsin ( University of Wisconsin) have created. of Wisconsin ). It is enough to apply a drop of the patient’s blood to the sensor of the device, as he will quickly determine the presence or absence of asthma.
The principle of operation of such a diagnostic device is based on a phenomenon discovered by Wisconsin scientists: they found that in patients with bronchial asthma, chemotaxis, the directed movement of neutrophils, one of the types of leukocytes, occurs much more slowly compared to patients suffering from other diseases with similar symptoms – for example, allergic rhinitis .Trial tests of the method with the participation of 23 patients diagnosed with bronchial asthma and 11 patients with allergic rhinitis showed that the device determined the presence of asthma with an accuracy of 96%.

event_note May 20, 2022

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