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    Evaluation of mobile bearing unicompartmental knee arthroplasty, opening wedge, and dome-type high tibial osteotomies for knee arthritis
    (TURKISH ASSOC ORTHOPAEDICS TRAUMATOLOGY, 2015) Tuncay, Ibrahim; Bilsel, Kerem; Elmadag, Mehmet; Erkocak, Omer Faruk; Asci, Murat; Sen, Cengiz
    Objective: Three methods of surgery used in the treatment of knee osteoarthritis (OA) are mobile bearing unicompartmental knee arthroplasty (Oxford UKA), opening wedge high tibial osteotomy (HTO), and dome-type HTO. This article aimed to retrospectively compare these three methods in terms of outcomes for health status, patient satisfaction, and function. Methods: Between 2003 and 2010, 255 knees of 235 patients underwent operations for medial knee OA. Three types of surgery were performed. Group 1 consisted of 109 knees of 94 patients who underwent Oxford UKA. Group 2 was made up of 36 knees of 36 patients who underwent HTO using circular external fixation, and Group 3 comprised 57 knees of 52 patients on whom opening wedge type HTO using locking plate fixation was performed. SF-36 and HSS knee scores were used to compare the functional outcomes among groups. Results: Statistically significant differences were found between the preoperative and postoperative measures in all 3 of the treatment groups for physical function, physical role, pain, general health, vitality, social function, emotional role, and mental health according to SF-36 and HSS scores. In the 2nd group, the average correction of the mechanical axis deviation (MAD) was 38 mm with 11.7 degrees along the femorotibial axis and 6.2 degrees along the medial proximal tibial angle (MPTA). In the 3rd group, the average correction in the MAD was 28 mm with 9.7 degrees along the femorotibial axis and 5.6 degrees along the MPTA. All 3 of the treatment alternatives were observed to be sufficient. Satisfactory postoperative results were achieved in the UKA group in terms of social function and mental health, and the patients were able to achieve early rehabilitation and return to their previous life activities. Conclusion: UKA is the ideal option for patients who wish for the earliest possible return to social and recreational activities.
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    The mid- to long-term results of the anterior cruciate ligament reconstruction with hamstring tendons using Transfix technique
    (SPRINGER, 2007) Asik, Mehmet; Sen, Cengiz; Tuncay, Ibrahim; Erdil, Mehmet; Avci, Cem; Taser, Omer F.
    In this study, mid to long-term results of anterior cruciate ligament reconstruction with hamstring tendons and Transfix technique were evaluated. Anterior cruciate ligament (ACL) reconstruction with four-strand hamstring tendon was performed with Transfix technique on 271 (198 males, 73 females; mean age 25.7; 17-52) patients with anterior cruciate ligament ruptures. The patients were followed up with clinical examination, Lysholm and Tegner activity scales, IKDC scoring system, KT-1000 test and radiological examination. The mean follow-up period was 82 (48-100) months; 204 (75%) patients had no subjective complaints. According to the KT-1000 test, only 14 (5%) patients had more than 5 mm laxity postoperatively, whereas, 161 (59%) patients had more than 5 mm laxity preoperatively. In addition to this, only 19 (7%) patients had Lysholm scores less than 80 postoperatively, whereas 154 (57%) patients scored less than 80 preoperatively. When compared with Tegner activity scale, 189 (70%) patients scored < 6 preoperatively and only 24 (8%) postoperatively: 78 (29%) patients scored D preoperatively and only 5 (2%) patients scored D postoperatively on the basis of the IKDC scoring system. Our functional results were found to be satisfactory in more than 90% of patients. Commonly seen problems in ACL reconstruction such as inaccurate graft placement and tunnel widening were found to be consistent with the values in relevant literature. However, we demonstrated that the functional results and the stability of the knee were not related with tunnel widening. This study concludes that the reconstruction of ACL with hamstring tendons and the Transfix technique is reasonably successful, safe and causes low morbidity. Furthermore, we believe that proper graft preparation, accurate tunnel placement, notch-plasty, fixation and rehabilitation program are all as important as the choice of graft and fixation material.