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Pregled bibliografske jedinice broj: 1052960

Forced vital capacity and not central chemoreflex predicts maximal hyperoxic breath- hold duration in elite apneists

Bain, Anthony R.; Barak, Otto F.; Ryan L.Hoiland; Drviš, Ivan; Bailey, Damian M.; Dujić, Željko; Mijacika, Tanja; Santoro, Antoinette; De Masig, Daniel K.; MacLeodg, David B.; Ainsliea, Philip N.
Forced vital capacity and not central chemoreflex predicts maximal hyperoxic breath- hold duration in elite apneists // Respiratory physiology & neurobiology, 242 (2017), 8-11 doi:10.1016/j.resp.2017.02.015 (međunarodna recenzija, kratko priopcenje, znanstveni)

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Naslov
Forced vital capacity and not central chemoreflex predicts maximal hyperoxic breath- hold duration in elite apneists

Autori
Bain, Anthony R. ; Barak, Otto F. ; Ryan L.Hoiland ; Drviš, Ivan ; Bailey, Damian M. ; Dujić, Željko ; Mijacika, Tanja ; Santoro, Antoinette ; De Masig, Daniel K. ; MacLeodg, David B. ; Ainsliea, Philip N.

Izvornik
Respiratory physiology & neurobiology (1569-9048) 242 (2017); 8-11

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, kratko priopcenje, znanstveni

Ključne riječi
Apnea ; Atelectasis ; Chemosensitivity ; Hypercapnia ; Hyperoxia ; Lung volume

Sažetak
The determining mechanisms of a maximal hyperoxic apnea duration in elite apneists have remained unexplored. We tested the hypothesis that maximal hyperoxic apnea duration in elite apneists is related to forced vital capacity (FVC) but not the central chemoreflex (for CO2). Eleven elite apneists performed a maximal dry static-apnea with prior hyperoxic (100% oxygen) pre-breathing, and a central chemoreflex test via a hyperoxic re-breathing technique (hyperoxic-hypercapnic ventilatory response: HCVR) ; expressed as the increase in ventilation (pneumotachometry) per increase in arterial CO2 tension (PaCO2 ; radial artery). FVC was assessed using standard spirometry. Maximal apnea duration ranged from 807 to 1262s (mean=1034s). Average HCVR was 2.0±1.2Lmin- 1mmHg-1 PaCO2. The hyperoxic apnea duration was related to the FVC (r2=0.45, p<0.05), but not the HCVR (r2<0.01, p>0.05). These findings were interpreted to suggest that during a hyperoxic apnea, a larger initial lung volume prolongs the time before reaching intolerable discomfort associated with pending lung squeeze, while CO2 sensitivity has little impact.

Izvorni jezik
Engleski

Znanstvena područja
Kineziologija



POVEZANOST RADA

Ustanove:
Kineziološki fakultet, Zagreb

Profili:

Avatar Url Željko Dujić (autor)

Poveznice na cjeloviti tekst rada:

doi doi.org

Citiraj ovu publikaciju:

Bain, Anthony R.; Barak, Otto F.; Ryan L.Hoiland; Drviš, Ivan; Bailey, Damian M.; Dujić, Željko; Mijacika, Tanja; Santoro, Antoinette; De Masig, Daniel K.; MacLeodg, David B.; Ainsliea, Philip N.
Forced vital capacity and not central chemoreflex predicts maximal hyperoxic breath- hold duration in elite apneists // Respiratory physiology & neurobiology, 242 (2017), 8-11 doi:10.1016/j.resp.2017.02.015 (međunarodna recenzija, kratko priopcenje, znanstveni)
Bain, A., Barak, O., Ryan L.Hoiland, Drviš, I., Bailey, D., Dujić, Ž., Mijacika, T., Santoro, A., De Masig, D., MacLeodg, D. & Ainsliea, P. (2017) Forced vital capacity and not central chemoreflex predicts maximal hyperoxic breath- hold duration in elite apneists. Respiratory physiology & neurobiology, 242, 8-11 doi:10.1016/j.resp.2017.02.015.
@article{article, author = {Bain, Anthony R. and Barak, Otto F. and Drvi\v{s}, Ivan and Bailey, Damian M. and Duji\'{c}, \v{Z}eljko and Mijacika, Tanja and Santoro, Antoinette and De Masig, Daniel K. and MacLeodg, David B. and Ainsliea, Philip N.}, year = {2017}, pages = {8-11}, DOI = {10.1016/j.resp.2017.02.015}, keywords = {Apnea, Atelectasis, Chemosensitivity, Hypercapnia, Hyperoxia, Lung volume}, journal = {Respiratory physiology and neurobiology}, doi = {10.1016/j.resp.2017.02.015}, volume = {242}, issn = {1569-9048}, title = {Forced vital capacity and not central chemoreflex predicts maximal hyperoxic breath- hold duration in elite apneists}, keyword = {Apnea, Atelectasis, Chemosensitivity, Hypercapnia, Hyperoxia, Lung volume} }
@article{article, author = {Bain, Anthony R. and Barak, Otto F. and Drvi\v{s}, Ivan and Bailey, Damian M. and Duji\'{c}, \v{Z}eljko and Mijacika, Tanja and Santoro, Antoinette and De Masig, Daniel K. and MacLeodg, David B. and Ainsliea, Philip N.}, year = {2017}, pages = {8-11}, DOI = {10.1016/j.resp.2017.02.015}, keywords = {Apnea, Atelectasis, Chemosensitivity, Hypercapnia, Hyperoxia, Lung volume}, journal = {Respiratory physiology and neurobiology}, doi = {10.1016/j.resp.2017.02.015}, volume = {242}, issn = {1569-9048}, title = {Forced vital capacity and not central chemoreflex predicts maximal hyperoxic breath- hold duration in elite apneists}, keyword = {Apnea, Atelectasis, Chemosensitivity, Hypercapnia, Hyperoxia, Lung volume} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE

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