Exhaled Nitric Oxide and Exhaled Breath Temperature as Potential Biomarkers in Patients with Pulmonary Hypertension

BACKGROUND: Pulmonary hypertension (PH) is a progressive fatal disease thus, noninvasive prognostic tools are needed to follow these patients. The aim of our study was to evaluate fractional exhaled nitric oxide (FeNO) and exhaled breath temperature (EBT) values in patients with PH from different causes and to correlate them with respiratory functional data.

METHODS: Twenty-four PH patients underwent spirometry, carbon monoxide diffusion (DLCO) test, transthoracic echocardiography, right-heart catheterization, and FeNO and EBT measurements.

RESULTS: We studied 3 groups according to the type of PH: 10 patients with pulmonary arterial hypertension (PAH) (group A), 11 patients with PH due to chronic obstructive pulmonary disease (COPD) (group B), and 3 patients with PH associated with left heart disease (group C). Mean FeNO values tend to be higher in group B (15.0 ± 9.3ppb) compared with other groups (respectively, 9.9 ± 5.7 and 8.5 ± 5.2 ppb in groups A and C; p = 0.271) but no statistical significance has been reached. Mean values of alveolar NO concentration (CANO) were higher in groups A and B compared to group C (respectively, 16.9 ± 12.6; 13.9 ± 6.8; and 6.7 ± 2.0 ppb) (p = 0.045). EBT mean values were significantly lower in group C when compared with other groups (group C: 29.0 +- 1.3°C, groups A and B: 30.9 ± 1.3 and 31.2 ± 1.2°C, respectively: p = 0.041). EBT levels were inversely correlated to mean pulmonary artery pressure (PAPm) levels (Spearman coefficient -0.481; p = 0.017).

CONCLUSIONS: eNO, CANO, and EBT have been evaluated in three groups of PH patients. Interestingly EBT reduction was correlated with PAPm increase, whereas FeNO was higher in COPD patients and CANO in PAH and COPD groups. Further studies are needed to clarify EBT, FeNO, and CANO roles as biomarkers in the monitoring of patients with PH.

Medienart:

E-Artikel

Erscheinungsjahr:

2018

Erschienen:

2018

Enthalten in:

Zur Gesamtaufnahme - volume:2018

Enthalten in:

BioMed research international - 2018(2018) vom: 01., Seite 7292045

Sprache:

Englisch

Beteiligte Personen:

Carpagnano, Giovanna Elisiana [VerfasserIn]
Radaeli, Alessandro [VerfasserIn]
Lacedonia, Donato [VerfasserIn]
Correale, Michele [VerfasserIn]
Carpagnano, Giuseppe [VerfasserIn]
Palmiotti, Antonio [VerfasserIn]
Barbaro, Maria Pia Foschino [VerfasserIn]
Di Biase, Matteo [VerfasserIn]
Brunetti, Natale [VerfasserIn]
Scioscia, Giulia [VerfasserIn]
Malerba, Mario [VerfasserIn]

Links:

Volltext

Themen:

31C4KY9ESH
Biomarkers
Journal Article
Nitric Oxide
Observational Study

Anmerkungen:

Date Completed 14.01.2019

Date Revised 30.03.2024

published: Electronic-eCollection

Citation Status MEDLINE

doi:

10.1155/2018/7292045

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM288620372