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PubMed1989

Compression arthrodesis of the ankle by triangular external fixation: an improved technique.

In this preliminary report, the authors present a new application of an external tubular fixation system for compression arthrodesis of the ankle. A triangular ankle fusion frame was designed that provides rigid immobilization of the tibiotalar joint, with midfoot control provided by a metatarsal pin. Over the past 3 years, the authors have used this device to achieve solid tibiotalar arthrodesis in 12 of 14 patients. The surgical method, including step-by-step construction and application of the triangular ankle fusion frame, is presented. Early results suggest a nearly 90% union rate, including reoperative cases for failed primary fusion.

Adult↗
PubMedDate not supplied

Use of IMEX SK-circular external fixator hybrid constructs for fracture stabilization in dogs and cats.

Complex long-bone fractures with short juxta-articular fracture segments can be difficult to manage. Recently, IMEX Veterinary, Inc., began producing titanium hybrid rods that can be secured to ring components of the IMEX circular external skeletal fixation system to create SK-circular hybrids. In this case series, SK-circular hybrids were used to stabilize long-bone fractures (two femoral, one humeral, and three tibial fractures) with short distal bone segments in three dogs and three cats with body weights ranging from 1.9 to 15 kg (mean, 6.7 kg; median, 5.4 kg). Although three cases required surgical revision, animals ambulated well and all fractures obtained union. Time to radiographic union ranged from 62 to 137 days (mean, 90 days; median, 84 days). The functional outcome was considered excellent in all six cases.

Animals↗
PubMed1993

[Unreamed intramedullary nail or external fixator in complicated tibial fracture? A comparative analysis].

Sixty-seven fractures of the tibial shaft with concomitant soft tissue injury were managed at the "Bergmannsheil" Bochum, University Clinic between May 1, 1991 and March 31, 1993. 33 fractures underwent unreamed nailing whereas 34 fractures were stabilized with external skeletal fixation. There were 20 closed fractures with soft tissue compromise (13 types GII and 7 types GIII (Oestern/Tscherne classification)) and 25 compound fractures (8 grade I, 12 grade II and 27 grade III (Gustilo-Anderson classification)). The grade III open fractures were subdivided by the Gustilo-Mendoza-Williams classification (13 types IIIA, 10 types IIIB and 4 types IIIC). Sixty-five fractures have healed (1 amputation type IIIC, 1 patient died). The mean time to union was 28 weeks in the fixator group and 23.5 weeks in the unreamed nail group (statistically not significant, p < 0.095). Also the infection rate (1 case in each group), the fasciotomies due to compartment syndrome, the number of bone grafts, the number of device change and mesh grafts was not statistically significant in both groups. Only the number of performed flaps for wound coverage was statistically significant higher in the fixator group (p < 0.05). In the unreamed nailing population, breakage of the locking bolts occurred in 4 cases. In 3 cases secondary reamed nailing was necessary (2 delayed unions, 1 avulsion of distal bolts). Two fractures underwent dynamization by removal of the distal locking bolts 6 weeks post initial static nailing. The unreamed nail is a versatile implant for tibial shaft fractures with closed and open soft tissue compromise.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗