Midfoot Surgery in Diabetic Osteomyelitis
Authors :Paisey RB,Davis J, McCarthy R, Gornall R, Fadl, A
Institution Torbay hospital, South Devon Healthcare foundation Trust, Torquay, TQ2 7AA
Background: Diabetic peripheral neuropathy and neuroischaemia are often complicated
by foot infection with osteomyelitis.
Prolonged antibiotic therapy can be curative, but ray excision, or leg amputation
are frequently necessary, leading to an unbalanced foot , abnormal gait and
foot pressures or need for prosthesis respectively.
Co morbidities including cardiovascular disease,
nephropathy, psychiatric and social problems all present challenges to
successful outcome in terms of prompt rehabilitation with good
long term mobility. Mid foot surgery to eradicate osteomyelitis
can result in a good functional limb with broad area for weight
bearing and rapid rehabilitation potential. Eight patients from
the Torbay Hospital multidisciplinary foot clinic were offered
mid foot surgery between Jan 2005 and December 2007.
Ninety five subjects with diabetes were
reviewed in the foot clinic over the 3 year
period, 40 with osteomyelitis, of whom 8
had metatarsal infection not responsive to
clindamycin, or rifampicin and
minocycline. They consented to undergo
-7 males,1 female
-5 type2 DM,3 type1 DM
-Duration of DM range 8-26 years, mean of
-Age range 45-80 years, mean of 62.5 years
• Texas wound score:
-2 patients had 3B
-6 patients had 3D
• Ulcer nature:
• All patients had preoperative osteomyelitis
• 5 patients had postoperative osteomyelitis
• All treated with long term antibiotics
• 2 developed Charcot changes after
• Surgery aimed to excise all infected bone
and preserve insertion of anterior tibial
• 3 patients had contralateral right below
• 1 patient had contralateral left above knee
• 6 had ipsilateral Angioplasty
• 3 had previous toe amputation
• 2 had hyperbaric oxygen treatment
• 6 had right MTA
• 2 had left MTA
• 3 have > 2yrs follow up
• 5 have 10-12 months follow up
• 2 had recurrent ulcers
• 1 proceeded to BKA after one week,
another after 10 months.
• 4 required bespoke footwear
• 4 walk unaided
• 4 walk with the aid of sticks and/or support
• 1 drives a normal car
• 1 able to drive an adapted car and
Midfoot amputation even in complicated
subjects with intractable diabetic foot
infection has resulted in good mobility for
up to 3years in 8 subjects.
MRI scan in all cases preoperatively may
have identified the two with early
recurrence and subsequent BKA.
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