ST elevation myocardial infarction oxygen therapy: Difference between revisions
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It is reasonable to administer supplemental oxygen to all patients with uncomplicated [[STEMI]] during the first 6 hours. (Level of Evidence: C)<ref name="pmid18071078">{{cite journal |author=Antman EM, Hand M, Armstrong PW, ''et al'' |title=2007 Focused Update of the ACC/AHA 2004 Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines: developed in collaboration With the Canadian Cardiovascular Society endorsed by the American Academy of Family Physicians: 2007 Writing Group to Review New Evidence and Update the ACC/AHA 2004 Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction, Writing on Behalf of the 2004 Writing Committee |journal=Circulation |volume=117 |issue=2 |pages=296–329 |year=2008 |month=January |pmid=18071078 |doi=10.1161/CIRCULATIONAHA.107.188209 |url=}}</ref> | It is reasonable to administer supplemental oxygen to all patients with uncomplicated [[STEMI]] during the first 6 hours. (Level of Evidence: C)<ref name="pmid18071078">{{cite journal |author=Antman EM, Hand M, Armstrong PW, ''et al'' |title=2007 Focused Update of the ACC/AHA 2004 Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines: developed in collaboration With the Canadian Cardiovascular Society endorsed by the American Academy of Family Physicians: 2007 Writing Group to Review New Evidence and Update the ACC/AHA 2004 Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction, Writing on Behalf of the 2004 Writing Committee |journal=Circulation |volume=117 |issue=2 |pages=296–329 |year=2008 |month=January |pmid=18071078 |doi=10.1161/CIRCULATIONAHA.107.188209 |url=}}</ref> | ||
==Sources== | ==Sources== | ||
ACC / AHA Guidelines Statement <ref name="pmid18071078">{{cite journal |author=Antman EM, Hand M, Armstrong PW, ''et al'' |title=2007 Focused Update of the ACC/AHA 2004 Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines: developed in collaboration With the Canadian Cardiovascular Society endorsed by the American Academy of Family Physicians: 2007 Writing Group to Review New Evidence and Update the ACC/AHA 2004 Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction, Writing on Behalf of the 2004 Writing Committee |journal=Circulation |volume=117 |issue=2 |pages=296–329 |year=2008 |month=January |pmid=18071078 |doi=10.1161/CIRCULATIONAHA.107.188209 |url=}}</ref> | ACC / AHA Guidelines Statement <ref name="pmid18071078">{{cite journal |author=Antman EM, Hand M, Armstrong PW, ''et al'' |title=2007 Focused Update of the ACC/AHA 2004 Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines: developed in collaboration With the Canadian Cardiovascular Society endorsed by the American Academy of Family Physicians: 2007 Writing Group to Review New Evidence and Update the ACC/AHA 2004 Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction, Writing on Behalf of the 2004 Writing Committee |journal=Circulation |volume=117 |issue=2 |pages=296–329 |year=2008 |month=January |pmid=18071078 |doi=10.1161/CIRCULATIONAHA.107.188209 |url=}}</ref> | ||
Revision as of 05:06, 25 April 2009
| Myocardial infarction | |
| ICD-10 | I21-I22 |
|---|---|
| ICD-9 | 410 |
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 Discuss ST elevation myocardial infarction oxygen therapy further in the WikiDoc Cardiology Network |
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Oxygen
Mechanism of Benefit
Oxygen is administered to the vast majority of patients with ST elevation myocardial infarction (STEMI). There is limited data to suggest that supplemental oxygen improves ST segment resolution (a surrogate endpoint)[1] The theoretical basis for oxygen administration is also based on the fact that there may be ventilation perfusion mismatch early in the patient's course[2]
Clinical Trial Data
Large scale randomized clinical trial data is lacking regarding its impact on mortality or other hard clinical endpoints.
Dosing
In general oxygen is administered via nasal canula or face mask to patients with an uncomplicated course to maintain an oxygen saturation greater than 90%. However, endotracheal intubation may be required in those patients with a clinical course complicated by severe pulmonary edema, cardiogenic shock or mechanical complications (e.g. papillary muscle rupture, free wall rupture, or ventricular septal defect).
Side Effects
While the majority of patients may benefit from supplemental oxygen administration, excess oxygen administration may be harmful to those patients with chronic obstructive pulmonary disease. Administration of oxygen to these patients should be judicious and guided by periodic arterial blood gas values.
Guidelines (DO NOT EDIT)
Class I
Supplemental oxygen should be administered to patients with arterial oxygen desaturation (SaO2 less than 90%). (Level of Evidence: B)
Class IIa
It is reasonable to administer supplemental oxygen to all patients with uncomplicated STEMI during the first 6 hours. (Level of Evidence: C)[3]
Sources
ACC / AHA Guidelines Statement [3]
References
- ↑ Madias JE, Hood WB (1976). "Reduction of precordial ST-segment elevation in patients with anterior myocardial infarction by oxygen breathing". Circulation. 53 (3 Suppl): I198–200. PMID 1253359. Unknown parameter
|month=ignored (help) - ↑ Fillmore SJ, Shapiro M, Killip T (1970). "Arterial oxygen tension in acute myocardial infarction. Serial analysis of clinical state and blood gas changes". Am. Heart J. 79 (5): 620–9. PMID 5444451. Unknown parameter
|month=ignored (help) - ↑ 3.0 3.1 Antman EM, Hand M, Armstrong PW; et al. (2008). "2007 Focused Update of the ACC/AHA 2004 Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines: developed in collaboration With the Canadian Cardiovascular Society endorsed by the American Academy of Family Physicians: 2007 Writing Group to Review New Evidence and Update the ACC/AHA 2004 Guidelines for the Management of Patients With ST-Elevation Myocardial Infarction, Writing on Behalf of the 2004 Writing Committee". Circulation. 117 (2): 296–329. doi:10.1161/CIRCULATIONAHA.107.188209. PMID 18071078. Unknown parameter
|month=ignored (help)