Background: Precise and tension-free approximation of two tendon endings is the
key predictor of outcomes following tendon lacerations and repairs. We evaluate the efficacy
of a new tendon approximator device in tendon laceration repairs. Materials & Methods:
In a comparative study, we used our new tendon approximator device in 99 consecutive patients with
laceration of 266 tendons who attend a university hospital and evaluated the operative time to repair the tendons,
surgeons’ satisfaction as well as patient’s outcomes in a long-term follow-up. Data were compared with
the data of control patients undergoing tendon repair by conventional method. Results: Totally 266 tendons
were repaired by approximator device and 199 tendons by conventional technique. 78.7% of patients in first
group were male and 21.2% were female. In approximator group 38% of patients had secondary repair of cut
tendons and 62% had primary repair. Patients were followed for a mean period of 3years (14-60 months).
Time required for repair of each tendon was significantly reduced with the approximator device
(2 min vs. 5.5 min, p<0.0001). After 3-4 weeks of immobilization, passive and active physiotherapy was
started. Functional Results of tendon repair were identical in the two groups and were not significantly different.
1% of tendons in group A and 1.2% in group B had rupture that was not significantly different. Discussion:
The new nerve approximator device is cheap, feasible to use and reduces the time of tendon repair with
sustained outcomes comparable to the conventional methods.
Keywords: Extensor tendon, flexor tendon, microsurgery, tendon repair, tendon approximator.
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