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Author: search.filters.author.Karademir, GokhanHas files: Yes

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    EVALUATING THE ROLE OF SCAPULA MORPHOLOGY IN ROTATOR CUFF TEARS: WHICH IS THE MOST USEFUL PREDICTOR?
    (ISTANBUL UNIV, FAC MEDICINE, PUBL OFF, 2021-01-01) Karademir, Gokhan; Tunali, Onur; Atalar, Ata
    Objective: The aim of this study was to determine the relation-ships between glenoid inclination (GI), acromial index (AI), criti-cal shoulder angle (CSA), superior inclination (SI), and symptom-atic degenerative full-thickness supraspinatus tears (SSTs).Materials and Methods: Patients who were diagnosed with SSTs (n=39) between 2015 and 2017 were assessed retrospec-tively. Controls were matched to age, gender, and side. Mea-sured GI, AI, CSA, and SI values were compared between the SSTs and control groups (n=39). The mean age for the SSTs group was 52.74 +/- 5.49 years, and the mean age for the control group was 51.15 +/- 5.22 years.Results: The mean GI for the SSTs group was 19.97 degrees +/- 5.62 degrees, and it was 13.72 degrees +/- 6.55 degrees for the control group (p<0.001). The mean AI was 0.7 +/- 0.08 and 0.67 +/- 0.07 in the SSTs and control groups, respectively (p=0.035). The mean CSA for the SSTs group was 35.05 degrees +/- 4.09 degrees and it was 33.06 degrees +/- 3.42 degrees for the control group (p=0.022). The mean SI was 25.13 degrees +/- 5.71 degrees and 25.91 degrees +/- 5.81 degrees in the SSTs and control groups, respectively (p=0.552). For a cut-off value of GI 217.35 degrees, sensitivity was 79.54\%, and specificity was 79.51\% (p=0.001). For a cut-off value of AI 20.67, sensitivity was 61.54\% and specificity was 56.4\% (p=0.031). For a cut-off value of CSA 233.45 degrees, sensitivity was 64.12\%, and specificity was 64.54\% (p=0.014).Conclusion: Higher measurement values of glenoid inclination, acromial index, and critical shoulder angle were associated with symptomatic degenerative full-thickness supraspinatus tears, and no correlation was found with superior inclination measure-ment. The glenoid inclination measurement had the highest sensitivity and specificity in predicting symptomatic degenera-tive full-thickness supraspinatus tears.
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    Analysing the change of sagittal balance in patients with Lenke 5 idiopathic scoliosis
    (TURKISH ASSOC ORTHOPAEDICS TRAUMATOLOGY, 2017-01-01) Ozkunt, Okan; Karademir, Gokhan; Sariyilmaz, Kerim; Gemalmaz, Halil Can; Dikici, Fatih; Domanic, Unsal
    Objective: The aim of this study was to evaluate preoperative and postoperative spinopelvic parameters and the influence of lowest instrumented vertebrae on sagittal parameters in Lenke 5 Adolescent Idiopathic Scoliosis (AIS) patients. Methods: A total of 42 patients (37 females, 5 males
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    Posterior Approach Alone Versus Combined Anterior and Posterior Approach in the Management of Vertebral Tuberculosis
    (TURKISH NEUROSURGICAL SOC, 2019-01-01) Demirel, Mehmet; Akgul, Turgut; Pehlivanoglu, Tuna; Karademir, Gokhan; Bayram, Serkan; Dikici, Fatih; Sar, Cuneyt
    AIM: To compare posterior surgery alone versus combined anterior and posterior surgery for the management of spinal tuberculosis. MATERIAL and METHODS: Data from 31 consecutive patients who underwent surgery for spinal tuberculosis were analyzed retrospectively. Patients were divided into two groups as group A (posterior surgery alone) or group B (combined anterior and posterior surgery), and groups were compared in terms of invasiveness of the procedure, spinal deformity, fusion, neurological status, and postoperative complications. RESULTS: Group A included 16 patients (mean age: 56 years, range: 29-75) with a mean follow-up period of 29 months (range 12-60) while group B included 15 patients (mean age: 60 years, range: 35-73) with a mean follow-up period of 28 months (range 12-60). Procedurally, average operation time and mean length of hospitalization were shorter, and mean blood loss was lower in group A (p<0.05) compared to group B. Postoperative bone fusion took significantly (p<0.05) longer time in group A (10.5 +/- 2.1 months)than in group B (9.3 +/- 3.1 months), and all patients with a neurological deficit recovered completely during the postoperative period. No significant differences were observed between two groups with respect to postoperative complications (p>0.05). CONCLUSION: Combined anterior-posterior surgery may not be required for treating vertebral tuberculosis as posterior surgery alone appears to be sufficient.