Özet:

Objectives: This study aims to investigate whether microsurgical experience was necessary for the treatment of Zone II flexor tendon injuries. Patients and methods: Between October 2018 and October 2021, a total of 73 Zone II flexor tendon injuries in 71 patients (53 males, 18 females; mean age: 39.6±12.1 years; range, 21 to 57 years) who underwent surgical intervention in our center were retrospectively analyzed. All patients in the study had flexor digitorum profundus (FDP) tendon injury. The clinical outcomes of patients with digital artery injury, nerve injury or phalanx fracture accompanying FDP tendon injury were evaluated separately according to the American Society for Surgery of the Hand (ASSH) scores. The scores of multiple injuries accompanying FDP tendon injury in patients with FDP+flexor digitorum superficialis (FDS)+digital nerve injury and FDP+FDS+digital artery+nerve injury were evaluated. Results: The mean ASSH score was 69.4±28.2 in the group with FDP tendon injury accompanying digital nerve injury and 62.9±19.7 in the group with FDP tendon injury and digital artery injury. The clinical outcomes were significantly lower in patients with digital nerve injury and digital artery injury respectively, compared to patients without accompanying injuries (p=0.029 and p=0.012, respectively). The lowest mean score (45.3±10.2) was in patients with fracture accompanying FDP tendon injury and ASSH score was significantly lower than in patients without fracture (p<0.001). Conclusion: Zone II flexor tendon injuries are frequently accompanied by digital artery or nerve injuries, which usually require microsurgical repair. If left untreated, treatment outcome may be poor. Surgical centers and departments undertaking the treatment of flexor tendon injuries should be able to perform microsurgery

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