Clinical and pathogenetic value of nitric oxide measurement in the blood of patients with bronchial asthma and essential hypertensio

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Abstract


Aim. To evaluate the clinical and pathogenetic value of nitric oxide metabolites measurement in the blood of patients with bronchial asthma and essential hypertension.

Methods. The study included 91 patients. Three groups were identified: patients with bronchial asthma (30 patients, group 1), patients with bronchial asthma in combination with essential hypertension (31 patients, group 2), and patients with essential hypertension (30 patients, group 3). Measurement of the level of total nitric oxide metabolites in patients’ blood was performed with the use of spectrophotometric method in light spectrum based on Griess reaction.

Results. The median level of nitric oxide metabolites had the highest value in the blood of patients with bronchial asthma and accounted for 75.6 [70.4; 80.8] umol/L. Level of nitric oxide metabolites in the blood of patients with bronchial asthma in combination with essential hypertension and patients with essential hypertension was lower, accounting for 72.4 [66.2; 81.2] and 60.0 [54.6; 62.7] umol/L respectively (p <0.001). The tendency to increasing level of nitric oxide metabolites in the blood of patients with bronchial asthma according to disease severity and disease-modifying treatment was revealed. The level of nitric oxide metabolites in the blood of patients with severe bronchial asthma was 77.4 [71.6; 82.4] μmol/L, and in patients with moderate asthma it was 72.4 [70.4; 73.9] μmol/L.

Conclusion. The level of nitric oxide metabolites in the blood of patients with combination of bronchial asthma and essential hypertension had intermediate values compared with patients with bronchial asthma alone, who had the highest level, and with patients with essential hypertension alone, who had the lowest values.


A V Shakhanov

Author for correspondence.
shakhanovav@gmail.com
Ryazan State Medical University named after Academician I.P. Pavlov Ryazan, Russia

E S Bel’skikh

shakhanovav@gmail.com
Ryazan State Medical University named after Academician I.P. Pavlov Ryazan, Russia

V A Lunyakov

shakhanovav@gmail.com
Ryazan State Medical University named after Academician I.P. Pavlov Ryazan, Russia

O M Uryas’ev

shakhanovav@gmail.com
Ryazan State Medical University named after Academician I.P. Pavlov Ryazan, Russia

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