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3+4+Supplementum/2012 - Společnost pro pojivové tkáně

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correct the alignment, and intra medullary<br />

rodding.<br />

aBSTRakT<br />

TiBiOTalOCalCaneal<br />

fuSiOn wiTH THe HindfOOT<br />

aRTHROdeSiS nail (Han) –<br />

eaRlY ReSulTS in 44 CaSeS<br />

J. Pyrc 1) , A. Fuchs 1) , H. Zwipp 1) , S. Rammelt 1)<br />

1) Department of Traumatology,<br />

Universitätsklinikum Carl Gustav Carus<br />

Dresden, Dresden, Germany<br />

introduction<br />

Arthrodesis of the ankle and subtalar<br />

joint is a salvage option for severe hindfoot<br />

pathologies. The use of a retrograde nail<br />

allows stable tibiotalocalcaneal fusion even<br />

with poor bone quality.<br />

Objectives<br />

The Hindfoot Arthrodesis Nail (HAN,<br />

Synthes, Bettlach, CH) respects the physiological<br />

valgus position of the calcanear<br />

axis in relation to the distal tibia and allows<br />

a stable fixation of the calcaneus in osteoporotic<br />

bone with screws and spiral blade<br />

as distal locking options. The lateral nail<br />

insertion intor the calcaneus decreases<br />

the risk of injury to the medial plantar and<br />

lateral plantar nerves and vessels.<br />

Methods<br />

Between June 2007 and Dezember<br />

2011 44 patients were treated with 46<br />

corrective tibiotalocalcaneal (hindfoot)<br />

fusions. The mean age was 54 (32–83)<br />

ambul_centrum@volny.cz<br />

years. Indications for fusion were: severe<br />

posttraumatic arthritis (25) and degenerative<br />

arthritis (5) of both the ankle and subtalar<br />

joints, Charcot arthropathy (13), and<br />

loosening of a total ankle <strong>pro</strong>sthesis (3)<br />

with talar bone defect. Malalignment of the<br />

ankle and hindfoot was present in all cases.<br />

All patients were followed clinically and<br />

radiographically after 6 and 12 months.<br />

Results<br />

14 patients (31%) developed postoperative<br />

complications. Non-unions were seen<br />

in 7 cases. There were three hardware<br />

failure, one deep hematoma, five wound<br />

dehiscence and one case of osteitis with<br />

the necessity of surgical revision. All cases<br />

went on to uneventful healing with one to<br />

three revisions. The HAN was exchanged<br />

to a tibial nail in one case of non-union.<br />

One year after surgery, 42 of 44 patients<br />

were able to walk without crutches in everyday<br />

life, 7 of them only in domesticity.<br />

34 patients had no or only little pain (0–2<br />

on a 0 to 10 Numeric Rating Scale NRS), 10<br />

had moderate pain (NRS 3–7) during their<br />

daily activities. 39 patients (90%) described<br />

an im<strong>pro</strong>vement of their life situation compared<br />

to their preoperative condition.<br />

Conclusion<br />

Corrective tibiotalocalcaneal arthrodesis<br />

is a viable salvage option for patients<br />

with severe and otherwise intractable<br />

deformities due to severe posttraumatic<br />

and idiopathic arthritis and dysfunction<br />

of the ankle and subtalar joints. The shortterm<br />

results of 44 patients treated with<br />

the HAN show a good functional outcome<br />

despite severe deformities and pathologies.<br />

345

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