Publications by authors named "Chongyin Fan"

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An evaluation of the efficacy of percutaneous reduction and screw fixation without bone grafting in Sanders Type-II and Type-III displaced intra-articular calcaneal fractures.

BMC Musculoskelet Disord 2022 Jun 10;23(1):562. Epub 2022 Jun 10.

Department of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Rd, Chongqing, 400016, China.

Background: The aim of this retrospective monocentric study was to investigate the clinical efficacy of percutaneous reduction and screw fixation without bone grafting in Sanders Type-II and Type-III displaced intra-articular calcaneal fractures (DIACFs).

Methods: The medical records of calcaneal fractures patients who were admitted to our department from January 2018 to January 2020 were retrospectively reviewed, and those meeting the inclusion criteria were fnally included for analysis. All patients were treated with percutaneous reduction and screw fixation, and no patients received bone grafting. The radiologic parameters evaluated included the BÖhler angle and the calcaneal height. In addition, the American Orthopaedic Foot and Ankle Society (AOFAS) hindfoot scores, Maryland Foot Score (MFS), and visual analog scale (VAS) score were determined.

Results: Thirty-eight patients with Sanders Type-II and Type-III DIACFs were finally included, including 30 males and 8 females aged 21 to 61 years [(42.6 ± 9.6) years]. According to the Essex-Lopresti classification, 27 of the fractures were the tongue type, and 11 were the joint compression type. According to the Sanders classification, 27 of the fractures were type II, and 11 were type III. Immediately postoperatively, the calcaneal height had recovered to 39.8 ± 2.1 mm, the BÖhler angle had recovered from 4.2° ± 13.6° preoperatively to 27.2° ± 3.4° (P = 0.000). All patients were followed up for 18-42 months [(25.2 ± 9.5) months]. All fractures healed. No differences were found in the outcome measures six-months postoperatively (BÖhler angle, p = 0.24; calcaneal height, p = 0.82) or at final follow-up (BÖhler angle, p = 0.33; calcaneal height, p = 0.28) compared to the immediately postoperative values. At the final follow-up, the AOFAS score was 91.7 ± 7.4 points, with an excellent and good rate of 92.1%; the MFS was 90.3 ± 7.8 points, with an excellent and good rate of 92.1%; and the VAS score was 2.2 ± 1.5 points. None of the patients had incision complications, and one patient developed traumatic arthritis.

Conclusion: Percutaneous reduction and screw fixation without bone grafting in Sanders Type-II and Type-III DIACFs can achieve good recovery and maintenance of the BÖhler angle and calcaneal height. Moreover, it has the advantage of a low complication rate.
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http://dx.doi.org/10.1186/s12891-022-05515-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9188138PMC
June 2022
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