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. 2021 Oct;31(7):1263-1271.
doi: 10.1007/s00590-020-02869-y. Epub 2021 Jan 23.

Operative treatment of acute shaft and neck lesser metatarsals fractures: a systematic review of the literature

Ioannis M Stavrakakis  1 , Evangelos A Tourvas  2 , George E Magarakis  3 , Ioannis V Sperelakis  2 , Anze Kristan  4 , Theodoros H Tosounidis  5   6
Affiliations

Operative treatment of acute shaft and neck lesser metatarsals fractures: a systematic review of the literature

Ioannis M Stavrakakis et al. Eur J Orthop Surg Traumatol. 2021 Oct.

Abstract

Purpose: Metatarsal fractures are relatively common injuries that they might lead to significant disability and chronic pain if suboptimally treated. Operative treatment is reserved for the displaced fractures. The primary aim of the herein study is to present the union time and rate, as well as the functional outcome of the surgically treated isolated lesser metatarsal shaft and neck fractures. The secondary aim is to present the related complications of each fixation method.

Methods: The electronic databases of Pubmed, Scopus, Embase and Cochrane libraries were searched from January 1990 to December 2020. PRISMA guidelines were used for data collection. We retrieved five articles including in total 154 patients, which were compatible to our inclusion criteria and they were used for this systematic review.

Results: A total of 75 patients were treated with percutaneous antegrade pinning resulting in AOFAS score: 96.4 ± 4.8 and time to heal 7.4 ± 1 weeks, 34 patients underwent ante/retrograde pinning resulting in AOFAS score: 95.2 ± 4.75 and time to heal 6.5 ± 1 weeks, and 45 patients underwent open reduction and internal fixation with plate and screws resulting in a time to union 10.9 ± 0.5 weeks.

Conclusion: Our results demonstrate that K wire intramedullary nailing regardless of the specific technique (antegrade, retrograde, ante/retrograde) is associated with better outcomes compared to open reduction and internal fixation as it permits faster weight bearing and quicker rehabilitation. K-wire fixation is related to statistically significant shorter time for the fracture to heal, by approximately three weeks compared to open reduction and internal fixation. Future research should focus on studies directly comparing the different intramedullary K-wiring techniques and also K-wiring versus plate fixation.

Keywords: Foot; Forefoot; Fracture; K-wire; Lesser metatarsals; Metatarsal.

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