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    Analysis of lumbar disc degeneration: 82 cases
    (2019) Ozevren, Huseyin; Cetin, Abdurrahman; Baloglu, Murat
    Aim: The purpose of this study was to investigate if the grade of lumbar disc degeneration. Intervertebral disc degeneration is a common degenerative disease.Material and Methods: A retrospective analysis on 34 males and 48 females with intervertebral discs degeneration and a mean age of 51.5 years. Using MRI, the grade of lumbar intervertebral discs degeneration was assessed according to the Pfirrmann classification.Results: There was a high correlation (R =0.385) and significant association (pearson correlation, p 0.01) between L3/L4 disc degeneration and the aging. There was also a high correlation (R =0.56) and significant association (pearson correlation, p 0.001) between the L3/L4 disc degeneration and the L4/L5. Conclusion: For many years, excessive or abnormal mechanical load was thought to be the main cause of disk degeneration. Rates of aging and lumbar disc degeneration have gradually increased over the years. It is important to note that there is a significant relationship between aging and L3 / L4 disc degeneration and that L4 / L5 disc degeneration may also be present in patients with L3 / L4 disc degeneration.
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    Determining the Optimal Length and Safety of Pedicle Screws in the T12 Vertebra: A Morphometric Study
    (Springernature, 2018) Korkmaz, Mehmet F.; Erdem, Mehmet N.; Ozevren, Huseyin; Sevimli, Resit
    Introduction: Despite the developments in implant technology and imaging methods and the advances in surgical techniques, there are still potential problems and complications of transpedicular screw application. This is a morphometric study to examine the proximity of the T12 vertebra to the thoracic aorta. Our aim was to define the appropriate length of the pedicle screw to be used in the 12 th thoracic vertebra, using computed tomography (CT) data. Methods: Randomly selected cases from the same ethnic group in a specific age group were examined in terms of the length from the anterior vertebral body and the screw entry point of the T12 vertebra to the thoracic aorta. In light of these data, a statistical analysis was made for the selection of the most appropriate screw length. Results: A statistically significant difference was detected in the distance from the T12 left screw entry point to the aorta between males and females (p=0.001). No statistically significant correlation was found between age and the distance between the left screw entry point and the aorta (p=0.105). Also, no statistically significant difference was detected between the T12 vertebral body-aorta distance in males and in females (p=0.212). The relationship between the shortest aorta-vertebral body distance and age was not statistically significant (p=0.7). Similarly, there was no statistically significant difference between the left screw entry pointaorta distance and the aorta-vertebral body shortest distance (p=0.731). Conclusions: Significant differences were observed between males and females in terms of the distance between the T12 vertebra left screw entry point and the thoracic aorta (p=0.001). Thus, we can assert the need for the preoperative evaluation of patients with computed tomography in selecting the appropriate screw length and avoiding complications.
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    Determining the optimal length and safety of pedicle screws in the t12 vertebra: a morphometricstudy
    (Cureus ınc, po box 61002, palo alto, ca 94306 usa, 2018) Korkmaz, Mehmet F.; Erdem, Mehmet N.; Ozevren, Huseyin; Sevimli, Resit
    Introduction: Despite the developments in implant technology and imaging methods and the advances in surgical techniques, there are still potential problems and complications of transpedicular screw application. This is a morphometric study to examine the proximity of the T12 vertebra to the thoracic aorta. Our aim was to define the appropriate length of the pedicle screw to be used in the 12 th thoracic vertebra, using computed tomography (CT) data. Methods: Randomly selected cases from the same ethnic group in a specific age group were examined in terms of the length from the anterior vertebral body and the screw entry point of the T12 vertebra to the thoracic aorta. In light of these data, a statistical analysis was made for the selection of the most appropriate screw length. Results: A statistically significant difference was detected in the distance from the T12 left screw entry point to the aorta between males and females (p=0.001). No statistically significant correlation was found between age and the distance between the left screw entry point and the aorta (p=0.105). Also, no statistically significant difference was detected between the T12 vertebral body-aorta distance in males and in females (p=0.212). The relationship between the shortest aorta-vertebral body distance and age was not statistically significant (p=0.7). Similarly, there was no statistically significant difference between the left screw entry pointaorta distance and the aorta-vertebral body shortest distance (p=0.731). Conclusions: Significant differences were observed between males and females in terms of the distance between the T12 vertebra left screw entry point and the thoracic aorta (p=0.001). Thus, we can assert the need for the preoperative evaluation of patients with computed tomography in selecting the appropriate screw length and avoiding complications.
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    TORASİK DİSK HERNİLERİNDE KONSERVATİF TEDAVİ
    (Journal of Turkish Spinal Surgery, 2014) Korkmaz, Mehmet Fatih; Durak, Mehmet Akif; Ozevren, Huseyin; Ozdemır, Zeynep Maras; Kahraman, Bayram; Yologlu, Saim
    Amaç: Kronik arka ağrısı çeken hastaların ayırıcı tanısında nadir görülen bir sebep olan torasik disk hernilerinin önemini vurgulamak. Materyal ve Metot: Ocak 2010-Eylül 2013 arası polikliniğe sırt ağrısı şikayeti ile başvuran 206 erkek, 231 kadın ortalama 47.98 18.41 yaşında (16-88 yaş arası) toplam 437 hastanın epikriz ve radyolojik tetkiklerinin retrospektif olarak incelenmesinden elde edilen sonuçlar değerlendirildi. Cerrahi tedaviyi kabul etmeyen ve konservatif tedavi ile takip ve tedavisi düzenlenen 58 seviye torasik disk hernili 13 erkek, 17 kadın ortalama 51.23 17.19 yaşında 30 hasta çalışmaya dâhil edildi.Sonuçlar: Çalışmaya dâhil olan hastaların hiçbirinde T1-2 disk hernisine rastlanmazken, T2-3, T3-4 ve T4-5 diskleri sadece kadın hastalarda görüldü. Tüm torasik disk hernilerinin % 30'unu oluşturan T11-12 disk hernilerinin kadın hastalardaki disk hernilerinin % 47.1'ini erkek hastalardaki disk hernilerinin % 7.7 sini oluşturduğu görüldü, aradaki fark istatistiksel olarak anlamlı idi (p0.042). Disk dejenerasyonu değerlendirildiğinde grade-3 dejenerasyondan sonra ikinci sıklıkla görülen grade 4 dejenerasyonun kadın hastalarda % 58.8, erkek hastalarda % 15.4 oranında olduğu görüldü, aradaki fark istatistiksel olarak anlamlı idi (p 0.016).Tartışma: Torasik disk hernisi vakalarının çoğu asemptomatiktir. Eğer spinal kord kompresyonu yoksa hastalığın doğal sürecinde konservatif yönetim savunulur. Tedavi seçeneği konservatif olsa da ilerleyici nörolojik defisit gelişen veya ciddi radiküler ağrısı olan hastalarda cerrahi tedavi gerekmektedir