[HSF] Redo Radical Mitral Valvuloplasty
Tdmartin2000
tdmartin2000 at aol.com
Sat Jun 2 21:46:26 EDT 2007
Hal
while I certainly applaud your efforts and ability, why do you say that a MVR would " cloud " her future? As you know I hate coumadin and am a proponent for repair whenever possible, but most of us probably would have replaced this valve and expected good results. I am interested in the other members thoughts.
Tom Martin
U of Florida
Gainesville
In a message dated 06/02/07 00:43:57 Eastern Daylight Time, Hgrmd writes:
Dear Members,
Today's case was unusual. About 2 years ago, I repaired a myxomatous
mitral in a 38 yo lady. I placed 4 Goretex neochords in A1 and A2. I closed the
P2-P3 interscallop leak, and performed a postero-medial commissuroplasty. A
32 mm Physio ring was used. She did well until a few months ago when she
was noted to have a recurrent MR murmur that was asymptomatic. TEE revealed
mod-severe MR with a broad, largely central jet. I couldn't appreciate any
recurrent prolapse. There was mod TR, normal coronaries, and an EF of 40%. I
operated this morning and found the ring was intact and there was no prolapse.
I removed the ring, debrided away the pannus, and inserted a 28 mm Physio.
Saline test now revealed broad restriction of P2 and P3. I made a radial
slit, 2mm from the ring, along P2 and P3. Gluteraldehyde treated autologous
pericardium was then used for posterior leaflet extension. This was done with
continuous 5-0 Cardionyl. I also repaired the tricuspid (26mm MC3). The
post-CPB TEE showed no MR or TR with an EF of 30%. She was extubated on the
table, and did well thus far. The main points are that rerepairing a valve is
quite feasible. Certainly, with her already depressed LV function, a
replacement with a mechanical prosthesis would have severely clouded her future.
Hopefully, this repair will hold up, though it worries me that the posterior
leaflet restriction developed in the first place. I presume it was due to
adverse ventricular remodeling. Also, Dave Adams recently had a paper in Annals
in which he advocated using large rings for myxomatous repairs. However, I
think this is potentially a mistake when doing myxomatous repairs in hearts
with impaired LV's. For the myxomatous repairs in hearts with relatively poor
LV function, you should probably undersize the ring much as you would for MR
due to pure annular dilatation.
Hal
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