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Posted on Sep 25, 2020, 5:06 am
#1

I'm curious, how slow can one lengthen femurs (using Stryde) without risk of pre-consolidation. I know everyone has different rates of bone growth, but I'm just looking for an estimate. Can you go as slow as 0.5 mm/day?

The reason I ask is because I've read soft tissue adaptation is best the slower you go. At 1mm/day you theoretically risk scarring or permanent damage if the muscle/other soft tissues cannot keep up with the rate of lengthening.

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Posted on Sep 25, 2020, 7:29 am
#2

It’s pretty risky to lengthen 0.5mm a day and it all depends on the person’s bone growth. I was able to drop from 1mm to 0.75mm a day. The doctor would not let me drop to 0.5mm because of my bone growth and did not want me risk pre consolidation. I did femurs using  precice stryde nail.

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Posted on Sep 25, 2020, 9:35 am
#3

What about tibia using LON ?

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Posted on Sep 25, 2020, 10:08 am
#4

Tibia .75mm femur 1.00mm humerus 1.00mm

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Posted on Sep 25, 2020, 1:17 pm
#5

With tibia even 0,66 is ok especially after the first 2-3 cm. Thats the rate I lengthened till the end after 3cm.

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Posted on Sep 25, 2020, 7:49 pm
#6

Huh, so the lower limit for femur is around .75mm?

Is there any way to slow down bone consolidation, to allow you to lengthen even slower. Goal is to give soft tissues as much time as possible to adapt to minimize permanent scarring/fibrosis

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Posted on Sep 25, 2020, 10:32 pm
#7

Quote from: MakeMeTallAF on September 25, 2020, 07:49:06 PMHuh, so the lower limit for femur is around .75mm?

Is there any way to slow down bone consolidation, to allow you to lengthen even slower. Goal is to give soft tissues as much time as possible to adapt to minimize permanent scarring/fibrosis

The reasoning is right but fibrosis is something happens after major cellular damages like muscle tear. Anyway you just feel your body and avoid taking painkillers to improve healing and to let fellings come out, in this way you can just go slower as soon as you start feeling pain. Flexibility is individual.

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Posted on Sep 26, 2020, 1:54 am
#8

You mean for 2 to 3 cm the lengthening rate should be 1 mm

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Posted on Sep 26, 2020, 1:56 am
#9

Quote from: Samsunny889 on September 26, 2020, 01:54:54 AMYou mean for 2 to 3 cm the lengthening rate should be 1 mm


This is with reference to tibia

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Posted on Sep 26, 2020, 10:51 am
#10

Quote from: Samsunny889 on September 26, 2020, 01:54:54 AMYou mean for 2 to 3 cm the lengthening rate should be 1 mm

Yes, for the firts 2-3 cms 1mm is the way to go. It is not that hard as for the first cms the soft tissues adapt easier.
After 3cm I truly believe that someone must slow down and on tibias it is feasible for most cases. Of course you must do frequently x rays to be sure you are not in risk of premature consolidation.

I don't have a personal experience about femurs however noone should go over 1mm, it is way too risky.

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