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NetWellness provides the highest quality health information and education services created and evaluated by faculty of our partner universities.
Wednesday, March 10, 2010
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NetWellness provides the highest quality health information and education services created and evaluated by faculty of our partner universities.
Wednesday, March 10, 2010
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Pulmonary Hypertension |
When is right heart cath necessary?01/09/2009 |
I have a myopathy with associated resp. muscle weakness and hypoventilation and increased CO2 at night ( all documented by testing). I have been put on cpap but am unable to tolerate it. I had a MUGA scan done in 06/07 and 07/08. The most recent one showed declining RVEF. My pulmo dr says cpap is needed but because I cannot tolerate it, closer monitoring is indicated. He said in Sept that a rt heart cath was not indicated at this point.I also have restrictive lung disease d/t myopathy and a decreased DLCO. At what point- is a right heart cath indicated? COuld this potentially turn into PH? Thanks.
Low oxygen because of hypoventilation can lead to an increase in pulmonary artery pressures and strain on the right ventricle. A right heart catheterization is indicated to assess the pressures whenever we suspect pulmonary hypertension. However, since the cause is obvious in your case, it would be prudent to treat the hypoventilation before measuring the pressures as they may improve with optimal use of CPAP.
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Namita Sood, MD, FCCP Assistant Professor Director, Pulmonary Hypertension Program Pulmonary, Allergy, Critical Care & Sleep Medicine Department of Internal Medicine College of Medicine The Ohio State University |
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Douglas W. Haden, MD Assistant Professor Pulmonary, Allergy, Critical Care & Sleep Medicine Department of Internal Medicine College of Medicine The Ohio State University |
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