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Öğe Adli tıbbi sürece yansıyan femur-humerus kırığı saptanan yenidoğanların retrospektif değerlendirilmesi: Tanımlayıcı çalışma(Ortadoğu Reklam Tanıtım Yayıncılık Turizm Eğitim İnşaat Sanayi ve Ticaret A.Ş., 2022) Yıldız Silahlı, Nicel; Aslıyüksek, Hızır; Dikici, Fatih; Celkan, Tülin TirajeAmaç: Doğum travmaları, doğum eylemi esnasında mekanik etkiler ile ortaya çıkan fiziksel yaralanmalardır. Doğum sırasında karşılaşılan bu durum medikolegal sorunlara neden olmaktadır. Çalışmamızda, yenidoğan döneminde uzun kemik kırığı saptanarak medikolegal sürece konu olmuş olguların özelliklerinin tartışılması amaçlanmıştır. Gereç ve Yöntemler: Adli Tıp Kurumu 7. İhtisas Kurulunda 2018-2020 yılları arasında medikolegal değerlendirme yapılan uzun kemik (femur/humerus) kırığı geliştiği iddiası bulunan olgular (n=23) dâhil edildi. Olguların sosyodemografik ve klinik özellikleri ile kurul kararları retrospektif olarak incelendi. Çalışma izni 01 Aralık 2020 tarih ve 1114 sayılı Adli Tıp Kurumu Bilimsel Araştırma Komisyonundan alındı. Bulgular: Olguların kız/erkek oranı 8/15 idi. On sekiz (%78,2) raporda hekim şikâyeti vardı. Olgularda femur (n=14) ve humerus (n=9) kırıkları saptandı. Olguların gestasyon haftası ortalaması 33 idi. Olguların ortalama doğum tartıları 2.921 (750-5.140 g) g saptandı. Olguların, term/preterm oranı 18/5 saptandı. Humerus ve femur kırığı saptanan 23 olguda da konservatif tedavi uygulanmıştı. Yirmi iki olguda tıbbi uygulama hatası saptanmadı ve kırıklar komplikasyon olarak değerlendirildi. Sonuç: Medikolegal sürece yansıyan uzun kemik kırıklarının tanı ve takip sürecinin uygun şekilde yönetildiği görülmektedir. Süreçte hasta-hekim arasında yaşanan iletişim sorunlarının güven ilişkisini sarstığı görülmektedir. Tıbbi bakım ve tedavi sırasında meydana gelen ve direkt olarak hekimin hatalı bir eylemi sonucu oluşmayan bu durum doğum süreci açısından komplikasyon olarak tanımlanmaktadır.Öğe Glucosamine-sulfate on fracture healing(Turkısh Assoc Trauma Emergency Surgery, 2013) Uğraş, Akın; Güzel, Elif; Korkusuz, Petek; Kaya, İbrahim; Dikici, Fatih; Demirbaş, Emrah; Çetinüs, ErcanBACKGROUND The aim of this study is to determine whether glucosamine-sulfate has any effects on bone-healing. METHODS A unilateral fracture was created in the tibia of sixty-one female rats. Rats were given no drug or 230 mg/kg glucosamine- sulfate daily. Fractures were analyzed during the first, second and fourth weeks after creation of fracture. Quantitative measurement for new bone formation and osteoblast lining were determined histologically. Semiquantitative score for fracture healing was used for histomorphometric analyses. Bridging bone formation was assessed radiographically. RESULTS New bone formation and osteoblast lining were significantly higher in glucosamine-treated group at week 1. Surrounding connective tissue was more cellular and vascular, and the newly formed bone trabecules were present in greater amounts in glucosamine-treated group, compared to control group at week 1 and 4. But radiologically, the control group had better scores than that of the glucosamine- treated group at week 4. CONCLUSION These data demonstrate that daily glucosamine-sulfate administration accelerates early phase of fracture repair in the rat tibia, with increased new bone formation and osteoblast lining histologically, but radiologic bone union is not favored on radiographs.Öğe Postoperative changes in sacropelvic junction in short-segment angular kyphosis versus Scheuermann kyphosis(Springer, 2017) Güler, Olcay; Akgül, Turgut; Korkmaz, Murat; Günerbüyük, Caner; Sarıyılmaz, Kerim; Dikici, Fatih; Talu, UfukTo comparatively evaluate the biomechanical alterations those occur in the sagittal plane of sacropelvic junction in angular kyphosis (AK) and Scheuermann kyphosis (SK) patients after surgery. The spine radiographs of 52 patients operated for short-segment AK (n = 20) or SK (n = 32) were studied. Main outcome measures were sacral slope, pelvic incidence, pelvic tilt, lumbar lordosis, and thoracic kyphosis angles. In AK group, local and thoracic kyphosis angles, as well as lumbar lordosis angle, showed statistically significant reduction with surgery. Thoracic kyphosis and lumbar lordosis angles were reduced significantly in SK group. Postoperatively, there were significant differences between groups in lumbar lordosis, pelvic tilt angle, and sacral slope (p = 0.021, p = 0.001, and p = 0.027, respectively). Thoracic kyphosis angle and sacral slope were increased, and there was a remarkable correlation between thoracic kyphosis and lumbar lordosis values in the AK group. The results of this study suggest that a significant sacropelvic improvement can be achieved by balanced sagittal vertical axis and T1 spinopelvic leading to a good sagittal alignment of spine in patients with AK and SK. Changes seen in morphological parameters after surgery may be closely related with baseline biomechanics and structure of the spine and pelvis. Therefore, further clinical and scientific trials are necessary both to elucidate the biomechanics, their clinical implications, and to develop new techniques and models for spine and pelvis surgery.Öğe Postoperative mechanical alignment analysis of total knee replacement patients operated with 3d printed patient specific instruments: A prospective cohort study(Turkish Association of Orthopaedics and Traumatology, 2019) Gemalmaz, Halil Can; Sarıyılmaz, Kerim; Özkunt, Okan; Sungur, Mustafa; Kaya, İbrahim; Dikici, FatihObjective: Total knee replacement (TKR) is a surgical treatment for final stage gonarthrosis. The lifespan of the prosthetic implants used in TKR surgery is a major interest for the orthopaedic research community.Previously, proper implant alignment of the implants has been advocated for longevity of the TKR surgery. Recently, patient-specific (PSI) instruments have been proposed to improve the mechanical alignment of the TKR by permitting better implant positioning over conventional TKR surgery. The aim of this study is to compare the mechanical alignment results of patients operated with PSIs and conventional instruments. Methods: Two groups of 20 patients chosen in a quasi-random manner have been compared in this study. In the first group femoral distal and tibial osteotomies were made by a PSI which was produced by the patients’ computed tomography scans. All osteotomies in the control group were made with the TKR set's routine instruments by conventional means. Patients’ preoperative and postoperative mechanical femorotibal angles (mFTA), femoral coronal angles (FCA), tibial coronal angles (TCA) were measured and the number of outliers which showed more than 3° of malalignment were counted in both groups for comparison. Results: The average postoperative mFTA was found to be 2.09° for the PSI group and in was found to be 284° for the control which was not statistically significant. The comparison of postoperative FCA and TCA also did not show significant difference between the groups. The number of outliers showing more than 3° of malalignment per group were found to be 1 out of 20 (5%) for the PSI group and 7 out of 20 (35%) for the control which was statistically significant. Conclusion: In this study patient-specific instrumentation provided significantly better mechanical alignment compared to conventional TKR for the frequency of outlier cases with malalignment beyond 3°. PSI proved no significant difference when the groups were compared for mFTA, FCA and TCA. Our findings support that PSI may improve TKR alignment by improving the ratio of the outlier patients with marked malalignment. Level of Evidence: Level III, Therapeutic Study.Öğe Treatment of adolescent idiopathic scoliosis with global (ROD) derotation maneuver using pedicle screws(Turkish Spinal Surgery Society, 2018) Kaya, Özcan; Akgül, Turgut; Özkunt, Okan; Dikici, Fatih; Yazıcıoğlu, Önder; Domaniç, ÜnsalIntroduction: Adolescent idiopathic scoliosis is a three dimensional deformity. For the treatment of deformity, nature of deformity should be well understood and treatment strategy has to be directed to the coronal, sagittal and axial components of deformity. Global Derotation (GD) maneuver is based on simple rod derotation from concave side aiming to correct the deformity on coronal, sagittal and axial profile. In this report we reviewed AIS surgery results treated by global derotation maneuver with all pedicle screw instrumentation.Material& Methods: Between 2003 and 2011, 253 patients had been operated using GD technique.80 of 253 patients was included to our study. The patients routinely evaluated with preoperative-postoperative and last follow up standing ortho-x-rays. Coronal and sagittal profile parameters measured on x-rays with digital software using Cobb method. Rotational component of the deformity was measured according to Nash-Moe method at the apical vertebra.Results: 80 patients (71 female ; 9 male)had been followed up average 19,8 (7-37) months. Patients age average were 15,1(12-21) at operation date. Coronal cobb angle measure in thoracic curves preoperative were 48,9° decreased to mean 3,2° postoperatively. The mean coronal thoracolumbar curve were 45,8° preoperatively and decreased to mean 2°. Apical vertebra rotation measure regressed to mean 0,68 (0-1). Thoracic kyphosis showed downward tendency from mean 37,8° to mean 27,8°.Conclusion: Rod derotation technique enable to correct coronal and axial profile. Coronal Cobb angle improvement seen obviously with correction of axial profile rotation. Sagittal hypokyphotic effect of GD should be kept in mind.
