[HSF] Rt thoracotomy MVR

[Tea Acuff]

These explanations (yours and Prasannas) make little sense to me anymore, at least according to the rules of Occham. While I see it less, I still see post op afib without CPB and without protection. 

tea 



----- Original Message ----
From: "V. Aldrete, M.D." <valdretemd at shaw.ca>
To: OpenHeart-L at lists.hsforum.com
Sent: Thursday, April 10, 2008 5:45:07 PM
Subject: Re: [HSF] Rt thoracotomy MVR

There probably is.  While looking at this issue over many years.  It  
was first apparent that the atria were not as well protected as the  
ventricles during cardiac arrest (which ever method was used).  This  
was further confirmed with the use of warm heart surgery, where one  
could see atrial contractions on the ECG as shown below.


Essentially the atrial myocardium is more ischemic during some of the  
operation.

Victor


On Apr 10, 2008, at 4:26 AM, Prasanna Simha M wrote:

> There needs to be a differentiation between CABG and other nonvalvar  
> Afib
> versus Valvar 9mitral) Afib. Mitral lesions with Afib can still have a
> pulmonary venous trigger that can be activated by  the acceleration of
> conduction induced by CPB.Drug therapy usually slows down the rate  
> till
> natural conductuion is restored.
> Prasanna
>
> On Thu, Apr 10, 2008 at 1:51 AM, Zhandong Zhou <zzhoumd at pol.net>  
> wrote:
>
>> We had a good discussion about right thoracotomy approach. I  
>> attached a
>> picture of right thoracotomy mitral valve repair.  This is the case  
>> I did
>> recently with ablation and closure of appendage.
>>
>> Z Zhou
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