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Treatment of proximal phalanx fractures: transarticular pinning the metacarpophalangeal joint or cross pinning from the base of the proximal phalanx-a prospective study

Treatment of proximal phalanx fractures: transarticular pinning the metacarpophalangeal joint or cross pinning from the base of the proximal phalanx-a prospective study

European Journal of Trauma and Emergency Surgery 45(4): 737-743

For extraarticular proximal phalanx fractures, two methods are employed, transarticular fixation in which the metacarpophalangeal joint is crossed and the extraarticular method in which the pins are introduced through the base of the proximal Phalanx. This study was a prospective one on patients with proximal phalanx transverse or short oblique fractures. In one of the groups we used parallel pins from metacarpal head through MCP joint to proximal phalanx. In the second, we used two cross pins from proximal phalanx the base of the proximal phalanx to fix the fracture. We evaluated metacarpophalangeal, proximal and distal interphalangeal joints active range of motion and how long it took the patient to resume their daily activities and work without difficulty, as well as post-operative complications such as wound infection, malunion, and nonunion in 3 and 6 months follow-up. Ultimately, 61 people entered the study, 29 in the parallel pins and 31 in the cross pins group. There was no significant difference between the two groups, but the improvement in all of the joints range of motion showed a statistically significant difference (P < 0.0001) from the 3 to 6 months follow-up. The final range of motion showed an inverse correlation with age of the patient (P < 0.05). Most of the patients were in the excellent grade of range of motion class and no serious complication was observed in any of them. The results of treatment in proximal phalangeal fractures with both methods were comparable and so the surgeon may select each based on the experience and training.

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Accession: 065639018

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PMID: 29487957

DOI: 10.1007/s00068-018-0927-6

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