Q & A With Dr Franz Birkholtz

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Posted on Nov 3, 2015, 7:16 pm

#91

Thank you Dr. Franz.

What nerves are the most likely to be damaged? what is the functional loss if a permanent nerve damage happens? complete loss of function of leg or something more localized like being unable to move a toe?

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Taller

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Posted on Nov 3, 2015, 8:35 pm

#92

Does the femur or the tibia play a more significant role in stride length, and how would CLL Impact waking and running stride overall?

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Taller

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Posted on Nov 3, 2015, 8:35 pm

#93

Does the femur or the tibia play a more significant role in stride length, and how would CLL Impact waking and running stride overall?

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Franz

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Posted on Nov 4, 2015, 8:56 pm

#94

Quote from: SAD on November 03, 2015, 07:16:26 PMThank you Dr. Franz.

What nerves are the most likely to be damaged? what is the functional loss if a permanent nerve damage happens? complete loss of function of leg or something more localized like being unable to move a toe?

Hi, the most common nerve is the peroneal nerve during tibial lengthening. This can lead to a foot drop.

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Franz

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Posted on Nov 4, 2015, 8:56 pm

#95

Quote from: SAD on November 03, 2015, 07:16:26 PMThank you Dr. Franz.

What nerves are the most likely to be damaged? what is the functional loss if a permanent nerve damage happens? complete loss of function of leg or something more localized like being unable to move a toe?

Hi, the most common nerve is the peroneal nerve during tibial lengthening. This can lead to a foot drop.

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Franz

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Posted on Nov 4, 2015, 8:58 pm

#96

Quote from: Taller on November 03, 2015, 08:35:59 PMDoes the femur or the tibia play a more significant role in stride length, and how would CLL Impact waking and running stride overall?

I have no idea 😀. Presumably both will contribute to stride length and I do not think that the ranges we lengthen in will make a big difference whether it is femur or tibia.
Stride length will probably increase slightly after CLL, but will possibly be offset by tighter muscles.

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Oniria

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Posted on Nov 10, 2015, 10:52 am

#97

Hi Dr Franz,
thank you for your kindness and availability.
if the peroneal nerve during tibia lengthening is damaged, it can lead to a foot drop. Is the foot drop permanent or can be resolved?

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alps

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Posted on Nov 10, 2015, 8:01 pm

#98

Also is nerve damage uncommon during femoral lengthening? Which nerve is most prone to damage there?

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Franz

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Posted on Nov 12, 2015, 11:48 am

#99

Quote from: Oniria on November 10, 2015, 10:52:45 AMHi Dr Franz,
thank you for your kindness and availability.
if the peroneal nerve during tibia lengthening is damaged, it can lead to a foot drop. Is the foot drop permanent or can be resolved?

It depends on the severity of the damage to the nerve. So it can recover, but can take a long time to do so. Occasionally it will not recover. This is usually the case with overstepping the safe limits and/or with deformity corrections together with lengthenings.

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Franz

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Posted on Nov 12, 2015, 11:50 am

#100

Quote from: SAD on November 10, 2015, 08:01:35 PMAlso is nerve damage uncommon during femoral lengthening? Which nerve is most prone to damage there?

Nerve dysfunction during femoral lengthening is more due to the femoral nerve and usually translates into sensory disturbances (changes in feeling / numbness / tingling)

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