Abstract
Long-term oxygen therapy improves the survival of patients with chronic obstructive pulmonary disease. Measures proposed in clinical clinics to evaluate the indication and monitoring of arterial blood pressure therapy and arterial oxygen saturation. The use of pulse oximetry has been widespread, but the information to determine if these measures are interchangeable is insufficient. The objective is to review the physiological foundations of variables related to oxygenation and their forms of measurement. In the assessment of the patient with respiratory pathology, pulse saturation is a valuable clinical aid., however, its limitations do not allow, in certain ranges, to replace direct arterial blood pressure (arterial blood gas) measurement of arterial saturation and arterial oxygen pressure, to determine the indication of oxygen therapy. MÉD.UIS.2019;32(3):19-25
References
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26. Ali-Munive A, Rodriguez P, Gomez S, Arce AM, Rodriguez E. Correlation between pulse oximetry and arterial oxigen saturation in patients in ICU. Acta méd colomb [Internet]. 2002 [citado enero 11 de 2014];27(3):162–9. Disponibe en: http://bases.bireme.br/cgi-bin/wxislind.exe/iah/online/?IsisScript=iah/ iah.xis&src=google&base=LILACS&lang=p&nextAction=lnk&exprSearch=358267&indexSearch=ID
27. Carlin BW, Clausen JL, Ries AL. The use of cutaneous oximetry in the prescription of long-term oxygen therapy. Chest [Internet]. 1988;94(2):239–41. Disponible en: http://www.ncbi.nlm.nih.gov/ pubmed/3135155
2. Caballero A, Torres-Duque CA, Jaramillo C, Bolívar F, Sanabria F, Osorio P, et al. Prevalence of COPD in five Colombian cities situated at low, medium, and high altitude (PREPOCOL study). Chest [Internet]. 2008;133(2):343–9. Disponible en: http://www.ncbi.nlm.nih.gov/pubmed/17951621
3. Croxton TL, Bailey WC. Long-term oxygen treatment in chronic obstructive pulmonary disease: recommendations for future research: an NHLBI workshop report. Am J Respir Crit Care Med [Internet]. 2006;174(4):373–8. Disponible en: http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2648117&tool=pmcentrez&rendertype=abstract
4. Collins J-A, Rudenski A, Gibson J, Howard L, O’Driscoll R. Relating oxygen partial pressure, saturation and content: the haemoglobin-oxygen dissociation curve. Breathe [Internet]. 2015;11(3):194–201. Disponible en: http://breathe.ersjournals. com/content/11/3/194.abstract
5. Plüddemann A, Thompson M, Heneghan C, Price C. Pulse oximetry in primary care: primary care diagnostic technology update. Br J Gen Pract [Internet]. 2011;61(586):358–9. Disponible en: http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid= 3080222&tool=pmcentrez&rendertype=abstract
6. Jensen LA, Onyskiw JE, Prasad NG. Meta-analysis of arterial oxygen saturation monitoring by pulse oximetry in adults. Heart Lung [Internet].1998; 27(6):387–408. Disponible en: http://www.
ncbi.nlm.nih.gov/pubmed/9835670
7. Luks AM, Swenson ER. Pulse oximetry at high altitude. High Alt Med Biol [Internet]. 2011; 12(2):109–19. Disponible en: http://www.ncbi.nlm.nih.gov/pubmed/21718156
8. Kelly AM, McAlpine R, Kyle E. How accurate are pulse oximeters in patients with acute exacerbations of chronic obstructive airways disease? Respir Med [Internet]. 2001; 95(5):336–40. Disponible en: http://www.ncbi.nlm.nih.gov/pubmed/11392573
9. Muñoz X, Torres F, Sampol G, Rios J, Martí S, Escrich E. Accuracy and reliability of pulse oximetry at different arterial carbon dioxide pressure levels. Eur Respir J [Internet]. 2008 Oct; 32(4):1053–9. isponible en: http://www.ncbi.nlm.nih.gov/ pubmed/18480106
10. Ganong W. Review of Medical Physiology. 21st. ed. McGraw Hill; 2003. p. 669-672.
11. Chaparro-Mutis C, Awad-García CE, Torres-Duque CA. Fundamentos de Medicina: Neumología. 6ª. Ed. Corporación para Investigaciones Biológicas; 2007.
12. West J. Fisiología Respiratoria. Fundamentos. 9ª. Ed. 2012. 13. O’Driscoll BR, Howard LS, Davison AG. BTS guideline for emergency oxygen use in adult patients. BMJ [Internet]. 2008 [citado enero 31 de 2016];63(Suppl VI):vi1–vi68. Disponible en: http://www.ncbi.nlm.nih.gov/pubmed/18838559
14. Severinghaus JW. Blood gas calculator J Appl Physiol Respir Environ Exerc Physiol. [Internet]. 1966 [citado enero 31 de 2016];21(3)1108-16. Disponible en: http://www.ncbi.nlm.nih. gov/pubmed/5912737
15. Severinghaus JW. Simple, accurate equations for human blood O2 dissociation computations. J Appl Physiol Respir Environ Exerc Physiol. [Internet]. 1979 [citado enero 31 de 2016];46(3):599–602. Disponible en: http://www.ncbi.nlm.nih.gov/pubmed/35496
16. Chan ED, Chan MM, Chan MM. Pulse oximetry: understanding its basic principles facilitates appreciation of its limitations. Respir Med. [Internet]. 2013 [citado enero 25 de 2015];107(6):789– 99. Disponible en: http://www.resmedjournal.com/article/S095461111300053X/fulltext
17. Nitzan M, Romem A, Koppel R. Pulse oximetry: fundamentals and technology update. Med Devices (Auckl) [Internet]. 2014 [citado enero 25 de 2015];7:231–9. Disponible en: http://www. pubmedcentral.nih.gov/articlerender.fcgi?artid=4099100&tool= pmcentrez&rendertype=abstract
18. Lee WW, Mayberry K, Crapo R, Jensen RL. The accuracy of pulse oximetry in the emergency department. Am J Emerg Med [Internet]. 2000 [citado: enero 31 de 2016];18(4):427–31. Disponible en: http://www.ncbi.nlm.nih.gov/pubmed/10919532
19. Ross EM, Matteucci MJ, Shepherd M, Barker M, Orr L. Measuring arterial oxygenation in a high altitude field environment: comparing portable pulse oximetry with blood gas analysis. Wilderness Environ Med [Internet]. 2013 [citado: diciembre 20 e 2013];24(2):112–7. Disponible en: http://www.ncbi.nlm.nih. gov/pubmed/23434169
20. Gold Reports for Personal Use - Global Initiative for Chronic Obstructive Lung Disease. [Internet]. Global Initiative for Chronic Obstructive Lung Disease - GOLD. 2017 [citado: 1 febrero de 2016]. Disponible n: https://goldcopd.org/gold-reports/
21. Nocturnal Oxygen Therapy Trial Group. Continuous or nocturnal oxygen therapy in hypoxemic chronic obstructive lung disease: a clinical trial. Ann Intern Med [Internet]. 1980 [citado: noviembre 4 de 2013];93(3):391–8. Disponible en: http://www.ncbi.nlm.nih. gov/pubmed/6776858
22. Medical Research Council Working Party. LONG TERM DOMICILIARY OXYGEN THERAPY IN CHRONIC HYPOXIC COR PULMONALE COMPLICATING CHRONIC BRONCHITIS AND EMPHYSEMA [Internet]. 1981[citado: noviembre 4 de 2013]:317(8222): 681–6. Disponible en: https://www.ncbi.nlm. nih.gov/pubmed/6110912
23. Ortega F, Díaz S, Bautista J, García F, Gúel R, Morante F, et al. Oxigenoterapia continua domiciliaria. Arch. Bronconeumol. 2014;50(5):185-200
24. Montes de Oca M, López Varela MV, Acuña A, Schiavi E, Rey MA, Jardim J, et al. ALAT-2014 Chronic Obstructive Pulmonary Disease (COPD) Clinical Practice Guidelines: questions and
Answers. Arch Bronconeumol. 2015; 51(8):403–16.
25. Torre-Bouscoulet L, Chávez-Plascencia E, Vázquez-García JC, Pérez-Padilla R. [Precision and accuracy of “a pocket” pulse oximeter in Mexico City]. Rev Invest Clin [Internet]. 2006 [citado enero 14 de 2014];58(1):28–33. Disponible en: http://www.ncbi.nlm.nih.gov/pubmed/16789596
26. Ali-Munive A, Rodriguez P, Gomez S, Arce AM, Rodriguez E. Correlation between pulse oximetry and arterial oxigen saturation in patients in ICU. Acta méd colomb [Internet]. 2002 [citado enero 11 de 2014];27(3):162–9. Disponibe en: http://bases.bireme.br/cgi-bin/wxislind.exe/iah/online/?IsisScript=iah/ iah.xis&src=google&base=LILACS&lang=p&nextAction=lnk&exprSearch=358267&indexSearch=ID
27. Carlin BW, Clausen JL, Ries AL. The use of cutaneous oximetry in the prescription of long-term oxygen therapy. Chest [Internet]. 1988;94(2):239–41. Disponible en: http://www.ncbi.nlm.nih.gov/ pubmed/3135155
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