Why the study?
Should beta-blockers be continued perioperatively in patients receiving them for ACC/AHA class 1 indications?
Should beta-blockers be continued perioperatively in patients receiving them for ACC/AHA class 1 indications?
The recommendation to continue perioperative beta-blockers for established indications is based on very limited evidence (Level C).
The actual wording of this recommendation is "-blockers should be continued in patients undergoing surgery who are receiving -blockers to treat angina, symptomatic arrhythmias, hypertension, or other ACC/AHA class 1 guideline indications," and it is accorded a level of evidence of "C" ("very limited [1 -2] population risk strata evaluated").
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Martin J. London (2009) studied this question.
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