Metoprolol or Carvelidol

  
  I would like to thank you for your prompt response to my March 06 posting regarding Lifestyle with DCM.
  After reading your answer I have another question:
  I have been told that both Metoprolol and Carvelidol are beta blockers used mostly in the tratment of CHF.
  What are the advantages of using Coreg instead of Toprol for the treatment of CHF.
  Does Coreg have a bigger or better effect in increasing EF and protecting heart function from progressive deterioration?
  Is Coreg contraindicated for people with mild kidney impairment?
  Thanks for your reply to this posting.

[Cleveland Clinic, MD]

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Dear Marcia,
Thank you for your question.  There haven't been any head-to-head comparison studies of metoprolol and carvediolol so we don't know which is better.  I suspect they are equal in efficacy.  There is no contraindication with kidney failure with these drugs.
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