Treatment of diaphyseal fractures of the forearm using the Point Contact Fixator (PC-Fix): Results of 387 fractures of a prospective multicentric study (PC-Fix II)

Haas, N; Hauke, Chr.; Schütz, Michael; Kääb, Max J.; Perren, S.M.

doi:10.1016/s0020-1383(01)00126-7

Cited by 64 publications

(34 citation statements)

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“…In a prospective series of 387 consecutive cases with follow-up of 97% the results were encouraging and proved the validity of the concept. 76 Further clinical studies confirmed the findings. 117,119 This method of achieving stabilisation of the fracture does not depend on extended or confluent implant contact.…”

mentioning

confidence: 53%

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Evolution of the Internal Fixation of Long Bone Fractures

Perren

2002

The Journal of Bone and Joint Surgery. British volume

643

183

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mentioning

confidence: 53%

“…9). In a tightly monitored prospective clinical study 76 in which more than 2000 PC-Fix cp titanium screws were applied by 108 different surgeons, no breakage of screws was observed. Elastic flexible fixation may avoid force transmission at the implant-to-bone interface by friction.…”

mentioning

confidence: 99%

Evolution of the Internal Fixation of Long Bone Fractures

Perren

2002

The Journal of Bone and Joint Surgery. British volume

643

183

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“…A retrospective study of 387 individual uses of locking plate technology in human patients revealed no instances of implant failure, a low incidence of infection, and healing that was observed to be similar to that seen with external fixation. 22 Another group which followed 151 fractures repaired with LCPs for one year lauded the complete absence of implant-related complications and remarked how well suited these plates were for difficult fractures where bone stock was unavailable or unsound. 3 Another locking plate system, the Less Invasive Stabilization System (LISS), was associated with similarly low infection rates in humeral fractures in people.…”

Section: D: Initial Clinical Resultsmentioning

confidence: 99%

A biomechanical comparison of 3.5 locking compression plate fixation to 3.5 limited contact dynamic compression plate fixation in a canine cadaveric distal humeral metaphyseal gap model

Filipowicz

Lanz²,

McLaughlin³

et al. 2009

Vet Comp Orthop Traumatol

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Objective-To compare the biomechanical properties of 3.5 locking compression plate (LCP) fixation to 3.5 limited contact dynamic compression plate (LC-DCP) fixation in a canine cadaveric, distal humeral metaphyseal gap model in static axial compression and cyclic axial compression and torsion.Study Design-Biomechanical in vitro study.Sample Population-30 paired humeri from adult, medium to large breed dogs.Methods-Testing was performed monotonically to failure in axial compression on ten pairs of humeri, cyclically in axial compression for 10,000 cycles on ten pairs and cyclically in torsion for 500 cycles on the last ten pairs.Results-Humeral constructs stabilized with LCPs were significantly stiffer than those plated with LC-DCPs when loaded in axial compression (P=0.0004). When cyclically loaded in axial compression over 10,000 cycles, the LC-DCP constructs were significantly stiffer than those constructs stabilized with LCPs (P=0.0029). Constructs plated with LC-DCPs were significantly more resistant to torsion over 500 cycles than those plated with LCPs (P<0.0001), though no difference was detected during the first 280 cycles.iii Conclusions-The increased stiffness of LCP constructs in monotonic loading compared to constructs stabilized with non-locking plates may be attributed to the stability afforded by the plate-screw interface of locking plates. The LCP constructs demonstrated less stiffness in dynamic testing in this model, likely due to plate-bone offset secondary to non-anatomic contouring and occasional incomplete seating of the locking screws when using the torque-limiting screw driver.Clinical Relevance-LCPs yield less stiff fixation under dynamic loading than conventional LC-DCPs when applied to severely comminuted, metaphyseal fractures.Improving anatomical contouring of the plate and insuring complete screw insertion into the locking plate hole may improve stiffness when using LCPs in comminuted fractures.iv ACKNOWLEDGEMENTS

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“…Each adverse event had to be reported to the monitor of the study. The endpoint was either an examination after 12 months or a clinical and radiologic proof of complete fracture consolidation [5]. AP and lateral radiographs were used to determine the fracture type, the postoperative position of fragments, and the progress of consolidation up to complete bony healing.…”

Section: Methodsmentioning

confidence: 99%