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DOĞAN, ŞEREF

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DOĞAN

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ŞEREF

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Now showing 1 - 4 of 4
  • Publication
    Effects of systemic and local interferon beta- 1a on epidural fibrosis
    (Korean Soc Spine Surgery, 2016-06-01) Taskapılıoğlu, Mevlüt Özgür; TAŞKAPILIOĞLU, MEVLÜT ÖZGÜR; Doğan, Seref; DOĞAN, ŞEREF; Işık, Semra; Ocakoğlu, Gökhan; OCAKOĞLU, GÖKHAN; Özgün, Gonca; Ugraş, Nesrin; UĞRAŞ, NESRİN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Nöroşurji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Patoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Biyoistatistik Anabilim Dalı.; 0000-0001-5472-9065; 0000-0002-6929-7135; 0000-0002-1114-6051; AAH-5180-2021; AAW-5254-2020; ABB-8161-2020; HLG-6346-2023; AAH-2716-2021; K-6580-2015; AAI-6531-2021; KGL-6139-2024
    Study Design: Level 1 randomized controlled study.Purpose: To investigate the effects of systemic and local interferon-beta-1a (IFN-beta-1a) on prevention of epidural fibrosis using histopathological parameters.Overview of Literature: Epidural fibrosis involves fibroblastic invasion of nerve roots into the epidural space. Formation of dense fibrous tissue causes lumbar and radicular pain. Many surgical techniques and several materials have been proposed in the literature, but no study has assessed the effect of IFN-beta-1a on prevention of epidural fibrosis.Methods: Forty-eight adult female Sprague-Dawley rats were divided into six groups of eight: sham group, control group, systemic 44 mu g IFN-beta-1a group and 22 mu g IFN-beta-1a group (after laminectomy and discectomy, 0.28 mL and 0.14 mL IFN-beta-1a applied subcutaneously three times for a week, respectively), local 44 mu g IFN-beta-1a group (laminectomy and discectomy, followed by 0.28 mL IFN-beta-1a on the surgical area), and local 22 mu g IFN-beta-1a group (laminectomy and discectomy, followed by 0.14 mL IFN-beta-1a on the surgical area). All rats were sacrificed after 4 weeks and groups were evaluated histopathologically.Results: Compared with sham and control groups, significantly less epidural fibrosis, dural adhesion, and fibroblast cell density were observed in the local and systemic 44 mu g IFN-beta-1a groups. No other differences were evident between the local and systemic groups.Conclusions: IFN-beta-1a is effective in preventing epidural fibrosis with systemic and local application.
  • Publication
    Posterior transdural discectomy for thoracic disc herniation
    (Turkish Neurosurgical Soc, 2023-01-01) Doğan, Şeref; Taşkapılıoğlu, Mevlüt Özgür; Eser, Pınar; Balçın, Rabia Nur; DOĞAN, ŞEREF; TAŞKAPILIOĞLU, MEVLÜT ÖZGÜR; Eser, Pınar; BALÇIN, RABİA NUR; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Beyin Cerrahi Anabilim Dalı.; 0000-0003-0132-9927; AAI-2073-2021; GXV-3107-2022; AAI-6531-2021; IRO-2619-2023
    AIM: To evaluate the safety and efficacy of posterior transdural discectomy for thoracic disc herniation. MATERIAL and METHODS: The medical records of seven patients who underwent posterior transdural discectomy for thoracic disc herniation were retrospectively evaluated. RESULTS: Between 2012 and 2020, seven patients (five men and two women) who were aged between 17 and 74 years underwent posterior transdural discectomy. Numbness is the most common presenting symptom, and two patients complained of urinary incontinence. T10-11 was the most affected level. All patients underwent at least 6 months of follow-up. There were no postoperative cerebrospinal fluid leaks and neurological complications postoperatively. All patients maintained their baseline neurological status or improved after surgery. No patient had secondary neurological deterioration or need for further surgical treatment. CONCLUSION: The posterior transdural approach is a safe procedure that should be considered in lateral and paracentral thoracic disc herniations providing a more direct surgical intervention.
  • Publication
    Statistical shape analyses of pediatric patients with scoliosis after surgical correction
    (Turkish Neurosurgical Soc, 2023-01-01) Ocakoğlu, Gökhan; Taşkapılıoğlu, Mevlüt Özgür; Kaya, İsmail Seçkin; Akesen, Burak; Doğan, Şeref; OCAKOĞLU, GÖKHAN; TAŞKAPILIOĞLU, MEVLÜT ÖZGÜR; KAYA, İSMAİL SEÇKİN; AKESEN, BURAK; DOĞAN, ŞEREF; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Biyoistatistik Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Beyin Cerrahi Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Ortopedi ve Travmatoloji Anabilim Dalı.; 0000-0002-1114-6051; HLG-6346-2023; IRO-2619-2023; ILC-4543-2023; AAH-9833-2021; AAI-6531-2021
    AIM: To investigate the preoperative and postoperative differences in the upper-body and spinal shapes of patients with scoliosis. MATERIAL and METHODS: Digitized two-dimensional X-ray images were used to obtain the shapes of the upper-body and spine. The preoperative and postoperative mean shapes were compared by using a Generalized Procrustes analysis. The thin plate spline (TPS) method was used to evaluate the spinal shape deformation between the preoperative and postoperative periods.RESULTS: The pre-and postoperative upper-body and spinal shape differences were significant. The TPS graphics showed high-level deformations between the pre-and postoperative periods. The left superior border of the L4 spinous process showed the highest deformation.CONCLUSION: The preoperative and postoperative upper-body and spinal shape differences and structural deformations that correlated with scoliosis were shown to be significant.
  • Publication
    Leptomeningeal pneumocephalus and pneumorrhachis: Signs of pneumothorax in case of syringopleural shunting
    (Elsevier, 2021-09-11) Tonkaz, Mehmet; Özpar, Rıfat; Erkal, Duygu; Doğan, Şeref; Bayram, Ahmet Sami; Gökce, Serhat; Hakyemez, Bahattin; TONKAZ, MEHMET; ÖZPAR, RİFAT; ERKAL TONKAZ, DUYGU; DOĞAN, ŞEREF; BAYRAM, AHMET SAMİ; GÖKÇE, SERHAT; HAKYEMEZ, BAHATTİN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Radyoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Beyin Cerrahi Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Göğüs Cerrahisi Anabilim Dalı.; 0000-0001-6649-9287; 0000-0002-8201-1568; 0000-0003-0684-0900; DZJ-5260-2022; AAH-5062-2021; EUK-9600-2022; AAI-6531-2021; ABB-7580-2020; CSN-2488-2022; AAI-2318-2021
    In this article, we present a case of leptomeningeal pneumocephalus and pneumorrhachis secondary to pneumothorax that occurred six years after syringopleural shunting.