There have been several studies done that found the relpase rate is very high (about 80 percent) if the brace (shoes and bar) is not used. So, as a mom who's been around for a while and know of children who have had relapses after discontinuing the brace too early, I say, yes! the brace is necessary.
Correction with casts and the tenotomy is only the beginning. Follow up with bracing is a vital part of the process. It's helpful, I think, to remember that clubfoot a condition that remains 'active' for several years.. the same processes which caused the foot to turn in in the first place are still 'working' on the foot for several years. And the brace, (FAB, or DBB, shoes attached to a bar) is the best way that has been found to keep relapse from happening.
Here's more information from the Global Health booklet on clubfoot treatment. The 'foot abduction brace' is the DBB:
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Importance of bracing
The Ponseti manipulations combined with the percutaneous tenotomy regularly achieve an excellent result. However, without a diligent follow-up bracing program, recurrence and relapse occur in more than 80% of cases. This is in contrast to a relapse rate of only 6% in compliant families (Morcuende et al.).
Alternatives to foot abduction brace
Some surgeons have tried to “improve” Ponseti management by modifying the brace protocol or by using different braces. They think that the child will be more comfortable without the bar and so advise use of straight last shoes alone. This strategy always fails. The straight last shoes by themselves do nothing. They function only as an attachment point for the bar.
http://www.global-help.org/publications/cf-english.pdf
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Here are more figures from Dr. Jose Morcuende at the Universisty of Iowa:
Overall, the odds of relapse if no bracing is used whatsoever
: <12 months = 80-90 %; <2 years: 60-70%; 3-4 years:
20%, 4-6 years; 1%.
I encourage you to stick with it. Even a short time without it on could lead to the beginning of a relapse and the need for more casting.
It's best to keep the brace on around the clock till the baby is comfortable and gets used to it. That usually only takes a few days to a week. Taking it off only prolongs the adjustment, as hard as it might be.. But if the feet are fully corrected, and the brace is set up right, there's nothing that is hurting the baby.. and in no time it will be part of his and your routine.
If you have any doubts about the feet being corrected or the brace not being right, follow your instincts and check into it to make sure.
You might also want to check out this parent support group for help with the brace.. there are many experienced parents there:
http://health.groups.yahoo.com/group/nosurgery4clubfoot/
Hope this helps .. hang in there.
Teresa and Claire
left cf, age 4 12