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Yavuz Kocabey

Publications and source records attributed to Yavuz Kocabey.

22 records · Page 2Linked to original sources
PubMed2004

[Soft tissue tendon graft fixation in the tibial tunnel with a bioabsorbable screw-EndoPearl combination in tibiae of low bone mineral density: a biomechanical study].

OBJECTIVES: This biomechanical study evaluated soft tissue tendon graft fixation in the tibial tunnel using a bioabsorbable interference screw with or without supplemental EndoPearl device. METHODS: Ten bovine tibiae were stripped of all soft tissues and bone tunnels 7 mm in diameter were drilled with dilation to 9 mm. Tibialis anterior allografts were fixed with a screw (10 mm in diameter, 30 mm in length) in five tibiae of high bone mineral density (1.36 g/cm2), and with a screw-EndoPearl combination in five tibiae of low bone mineral density (0.84 g/cm2). The specimens were cycled 10 times from 10 to 50 N, and 500 times from 50 to 200 N in a servo hydraulic test device prior to ultimate load-at-failure testing at a rate of 20 mm/min. RESULTS: No statistically significant differences were found between the two fixation groups with respect to displacement and stiffness during cyclic testing, and with respect to load at failure, displacement, and stiffness during load-to-failure testing (p>0.05). CONCLUSION: The finding of similar results in both fixation groups with respect to displacement and stiffness during cyclic testing and during load-to-failure testing suggests that a screw-EndoPearl combination in tibiae of low bone mineral density may be helpful in the prevention of graft slippage.

Absorbable Implants↗
PubMed2002

[Arthroscopic-assisted mini-open rotator cuff repair].

OBJECTIVES: New alternatives have been developed in rotator cuff repair with advances in arthroscopic techniques. We evaluated retrospectively the results of our patients who underwent arthroscopic-assisted mini-open rotator cuff repair. METHODS: Arthroscopic subacromial decompression and mini-open repair were performed in 31 patients (8 males, 23 females; mean age 54.3 years; range 38 to 71 years) with rotator cuff tear in which the tendon tear had not been excessively retracted (till glenoid) and the muscle had not undergone fatty degeneration. Patients below 40 years of age were considered for surgery, while those between 40 to 60 years were initially treated with a rehabilitation program to relieve pain and gain motion before surgery. Surgery was reserved until after failure with a three-month rehabilitation program in patients above 60 years. Evaluations were based on physical and radiographic examinations and Constant scores. The mean follow-up period was 24.4 months (range 12 to 37 months). RESULTS: Twenty-five patients (81%) achieved excellent or good results and six patients (19%) had satisfactory results. The mean Constant score was 84.6. One patient developed joint stiffness unresponsive to conservative treatment. Arthroscopic capsular release followed by a heavy exercise program enabled him to return to his former sports activity level within three months. CONCLUSION: Arthroscopic-assisted repair is a superior alternative in rotator cuff surgery in selected cases because it enables the shoulder surgeon to preserve deltoid attachment and to prepare the torn tendon for an easy repair. It may result in shortened hospital stay, decreased postoperative pain, and an accelerated rehabilitation.

Adult↗
PubMedDate not supplied

Reconstruction of neglected Achilles' tendon defect with peroneus brevis tendon allograft: a case report.

This case report describes the use of a peroneus brevis allograft to reconstruct a neglected Achilles' tendon injury in a 75-year-old woman. She had difficulty walking, had stiffness, and was unable to perform a heel raise from a single-leg standing position. Magnetic resonance imaging confirmed a 6.8-cm wide defect 13 months after the initial injury. Surgical repair of the neglected rupture was performed using 4 strands of peroneus brevis allograft to bridge the defect. Early weight bearing and rehabilitation was allowed. At follow-up clinical examination 14 months postoperation, the patient could perform 15 full-range standing heel raises on the involved side versus 22 on the noninvolved side. Maximum calf circumference was 30.7 cm in the operated leg versus 33 cm at the noninvolved side. At 24 months postoperation the patient could perform 16 full-range standing heel raises on the injured leg versus 24 on the normal leg (33% deficit). The maximum calf circumference improved to 31 cm on the injured side compared with 34 cm on the noninvolved side (9% deficit). The AOFAS Ankle-Hindfoot Clinical Rating System score improved from 55 just before operation to 96 at 14 months postoperatively. The score further improved to 100 at the 2-year follow-up examination. The patient was playing recreational doubles tennis 1 to 2 times per week without symptoms.

Achilles Tendon↗