Tissue reaction to implants of different metals: A study using guide wires in cannulated screws

Devine, DM; Leitner, Melanie M.; Perren, S. M.; Boure, LP; Pearce, SG

doi:10.22203/ecm.v018a04

Cited by 12 publications

(12 citation statements)

References 17 publications

(25 reference statements)

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“…The plates were placed in close proximity to each other and frequently had screws in contact with each other inside the canal or almost touching each other on the cortex. The major concern, as reported in prior studies, 6,7,14,16,17 is when the metals (stainless steel plate and titanium screw) are in direct contact with each other. The concern in the current study was that the implants of dissimilar metals were in close proximity on the same bone in the same biological milieu, which posed a concern for the possibility of galvanic corrosion.…”

Section: Discussionmentioning

confidence: 94%

See 1 more Smart Citation

Mixing Implants of Differing Metallic Composition in the Treatment of Upper-extremity Fractures

Acevedo¹,

Loy²,

Lee³

et al. 2013

Orthopedics

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Mixing implants with differing metallic compositions has been avoided for fear of galvanic corrosion and subsequent failure of the implants and of bone healing. The purpose of this study was to evaluate upper-extremity fractures treated with open reduction and internal fixation with metallic implants that differed in metallic composition placed on the same bone. The authors studied the effects of using both stainless steel and titanium implants on fracture healing, implant failure, and other complications associated with this method of fixation. Their hypothesis was that combining these metals on the same bone would not cause clinically significant nonunions or undo clinical effects from galvanic corrosion. A retrospective review was performed of 17 patients with upper-extremity fractures fixed with metal implants of differing metallic compositions. The primary endpoint was fracture union. Eight clavicles, 2 proximal humeri, 3 distal humeri, 3 olecranons, and 1 glenoid fracture with an average follow-up 10 months were reviewed. All fractures healed. One patient experienced screw backout, which did not affect healing. This study implies that mixing implants with differing metallic compositions on the same bone for the treatment of fractures does not adversely affect bone healing. No evidence existed of corrosion or an increase in complications with this method of treatment. Contrary to prior belief, small modular hand stainless steel plates can be used to assist in reduction of smaller fracture fragments in combination with anatomic titanium plates to obtain anatomic reduction of the fracture without adversely affecting healing.

show abstract

Section: Discussionmentioning

confidence: 94%

“…6 Another study showed that when a broken guidewire made of stainless steel was left in direct contact with a titanium screw in vivo in an animal model, no cellular response occurred. 17 The current authors are not aware of any studies to date that have evaluated the effects of the use of dissimilar metals in vivo.…”

Section: Discussionmentioning

confidence: 99%

Mixing Implants of Differing Metallic Composition in the Treatment of Upper-extremity Fractures

Acevedo¹,

Loy²,

Lee³

et al. 2013

Orthopedics

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show abstract

“…The intimacy of bone contact with the implants at six months suggest that despite the use of dissimilar materials in this cannulated screw and guide wire construct, the local environment provided stable implant anchorage as well as acceptable biotolerance [9]. …”

Section: Discussionmentioning

confidence: 99%

Guidewire Breakage: An Unusual Complication of Anterior Odontoid Cannulated Screw Fixation

et al. 2011

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The preferred treatment of a type II odontoid fracture is anterior odontoid screw fixation to preserve the cervical spine range of movement. This case report describes an unusual complication of guidewire breakage during anterior odontoid cannulated screw fixation for a 52-year-old patient who presented with a type II odontoid fracture after a motor vehicle accident. The distal segment of the guidewire was bent over the tip of the cannulated odontoid screw and broke off during guidewire withdrawal. The three months follow-up computed tomography examination of the cervical spine showed acceptable screw placement, good odontoid process alignment with incomplete fusion, and no migration of the fractured segment of the guidewire. It is recommended that the guidewire be withdrawn once the cannulated screw is passed through the fractured site into the odontoid process and a new guidewire be used in each surgical procedure instead of been reused to avoid metal stress fatigue that can result in easy breakage.

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“…However, there have been studies [4,5] that refute this concern and show that no adverse in vivo effects were detected with the use of dissimilar materials in a model of stainless steel wire and titanium screw. However, there have been studies [4,5] that refute this concern and show that no adverse in vivo effects were detected with the use of dissimilar materials in a model of stainless steel wire and titanium screw.…”

Section: Intra-operative K-wire Breakage During Odontoid Screw Fi Xationmentioning

confidence: 99%

Intra-operative K-wire breakage during odontoid screw fixation

et al. 2014

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Tissue reaction to implants of different metals: A study using guide wires in cannulated screws

Cited by 12 publications

References 17 publications

Mixing Implants of Differing Metallic Composition in the Treatment of Upper-extremity Fractures

Mixing Implants of Differing Metallic Composition in the Treatment of Upper-extremity Fractures

Guidewire Breakage: An Unusual Complication of Anterior Odontoid Cannulated Screw Fixation

Intra-operative K-wire breakage during odontoid screw fixation

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