الفهرس 
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Abstract
Flexor tendon injuries occur most commonly in association with lacerations or other open wounds of digits, and in such situations the surgical approach therefore is dictated to some extend by the nature of the wound.
Newer multi-strand suture methods were developed and used with increasing frequency because they are stronger and have increased resistance to repair site gapping.
Despite advances in suture methods and understanding of the biology of the repair site, the formation of adhesions between the tendon and the surrounding fibro-osseous sheath with resultant digital stiffness remains one of the most common complications after flexor tendon repair.
In an effort to improve the strength at the tendon repair site, investigators have advocated rehabilitation methods that generate increased levels of applied in vivo force across the repair.
The aim of this work was to compare the clinical and functional outcome of flexor tendon repair of the hand using 4-strand versus 6-strand core sutures.
This randomized prospective comparative study was conducted on 52 patients (60 fingers) who sustained acute zone 2 flexor tendon injury in the form of complete laceration of isolated FDP tendon or combined FDP and FDS tendons in Minia hand and microsurgery Unit (MHMU) at orthopaedic surgery department.
Methods:
All patients were subjected to the following:
I. Pre-operative:
1- History taking
2- Clinical examination
3- Investigations
4- Photography: Standardized color digital photography and video recording of the site of injury.
II. Operative techniques:
The patients were divided into 2 groups:
group A: Four-strand core suture repair.
group B: six-strand core suture repair.
III. Post-operative care and follow-up:
Splints: All patients were put in dorsal blocking splint for 4 weeks.
Post-repair: Early active mobilization was started immediately post-operative.
All patients were followed up and evaluated as regards:
a) VAS at 4, 8 and 12 weeks following surgery.
b) Grip strength 4, 8 & 12 weeks following surgery.
c) TAM was performed at 4, 8, and 12 weeks following surgery.
Results:
• Demographic data: Both groups showed statistically comparable demographic data.
• There was no significant differences in grip strength in both groups measured in comparison with the other normal side at all examination time point
• The difference between TAM is significant all through measurement time points between the 2 studied groups.