2021
DOI: 10.1177/1120700020985067
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Integrated dual lag screws versus single lag screw cephalomedullary nail constructs: a meta-analysis and systematic review

Abstract: Background/Aim: This study aims to determine the safety and efficacy of integrated dual lag screw (IDL) cephalomedullary nails (CMN) when compared with single lag screw (SL) constructs, in the internal fixation of intertrochanteric femoral fractures. Methods: The Smith & Nephew InterTan IDL was compared with SL CMN group consisting of the Stryker Gamma-3 (G3) and Synthes Proximal Femoral Nail Antirotation (PFNA) CMN. A multi-database search was performed according to PRISMA guidelines. Data from studies as… Show more

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Cited by 10 publications
(8 citation statements)
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“…We found 5 systematic reviews comparing the integrated dual lag screw nail design of INTERTAN (Smith & Nephew) to other single lag screw nail designs. 7,18,26,29,30 These studies show better results with the dual lag screw construct regarding mechanical failure and reoperation rates. Additional findings include reduced screw migration, 26,30 reduced hip pain, 7,26,29,30 longer operative time, and increased radiation exposure 30 for the dual lag construct.…”
Section: Resultsmentioning
confidence: 77%
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“…We found 5 systematic reviews comparing the integrated dual lag screw nail design of INTERTAN (Smith & Nephew) to other single lag screw nail designs. 7,18,26,29,30 These studies show better results with the dual lag screw construct regarding mechanical failure and reoperation rates. Additional findings include reduced screw migration, 26,30 reduced hip pain, 7,26,29,30 longer operative time, and increased radiation exposure 30 for the dual lag construct.…”
Section: Resultsmentioning
confidence: 77%
“…7,18,26,29,30 These studies show better results with the dual lag screw construct regarding mechanical failure and reoperation rates. Additional findings include reduced screw migration, 26,30 reduced hip pain, 7,26,29,30 longer operative time, and increased radiation exposure 30 for the dual lag construct.…”
Section: Resultsmentioning
confidence: 77%
See 1 more Smart Citation
“…It is controversial whether integrated dual lag screws provide superior functional outcomes compared to single lag screw cephalomedullary nails, as present-day data are inadequate. [ 16 ] Nonetheless, meta-analysis evidence corroborates the estimation that dual-head screw implants are related to fewer revisions and complications such as screw migration and varus collapse [ 16 ].…”
Section: Discussionmentioning
confidence: 73%
“…This design provides biomechanical advantages and effective protection for normal fractures and surrounding soft tissue, promoting effective healing. 13 , 14 The research of Albaker AB et al 15 shows that InterTAN fits the biomechanical structure of the human body well, and it can withstand cyclic loads that are 3.5 times the body weight. By contrast, PFNA was developed from PFN with the head and neck screws replaced by spiral blades, which can get directly attached to the femoral head without removing bone.…”
Section: Discussionmentioning
confidence: 99%