Ortega LUA, Sánchez BGBE, Hausmann MR, Rodríguez RMC, Vergara D, León SH, Bergua A

Language: Spanish
References: 12
Page: 258-264
PDF size: 314.24 Kb.

ABSTRACT

Introduction: phalanx fractures (FP) are the second most common fractures in the upper limb after distal radius fractures (DRF). Intramedullary fixation of proximal phalangeal fractures is currently very attractive. However, chondral Damage remains a concern; The objective of this study is to measure the chondral defect after intramedullary fixation with different techniques and screws. Material and methods: a cross-sectional, experimental, and analytical study was carried out, including nine corpses. The proximal phalanx was fractured from the index finger to the little finger of both hands; a total of 96 screws were placed, combining different techniques, and 2.4 mm and 1.8 mm screws were used. Results: larger diameter screws caused more significant chondral Damage, 6.84 vs 11.96% with 1.8 and 2.4 mm screws, respectively. The trans-articular technique causes more significant chondral Damage compared to the intra-articular technique, whether with the placement of a single screw (p = 0.00) or both screws (p = 0.0018). Conclusions: the placement of intramedullary screws using the intra-articular technique seems to produce less chondral Damage. Damage can be minimized using the "lever and place" technique described in our article.

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