Araştırma Çıktıları

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    Development and Validation of a Multidomain Surgical Complication Classification System for Adult Spinal Deformity
    (LIPPINCOTT WILLIAMS \& WILKINS, 2021-01-01) Klineberg, Eric O.; Wick, Joseph B.; Lafage, Renaud; Lafage, Virginie; Pellise, Ferran; Haddad, Sleiman; Yilgor, Caglar; Nunez-Pereira, Susana; Gupta, Munish; Smith, Justin S.; Shaffrey, Christopher; Schwab, Frank; Ames, Christopher; Bess, Shay; Lewis, Stephen; Lenke, Lawrence G.; Berven, Sigurd; Grp, Int Spine Study
    Study Design. Prospective analysis of example cases Objective. The aim of this study was to analyze the accuracy and repeatability of a new comprehensive classification system for capturing complications data in adult spinal deformity. Summary of Background Data. Complications are common in adult spinal deformity surgery. However, no consensus exists on the definition or classification of complications in adult spinal deformity surgery. The lack of consensus significantly limits understanding of complications' effects on outcomes in surgery for adult spinal deformity. Methods. Using a Delphi method, members of the International Spine Study Group, AO Spine, and the European Spine Study Group collaborated to develop an adult spinal deformity classification system. The multidomain classification system accounts for medical complications (cancer, cardiopulmonary, central nervous system, gastrointestinal, infectious, musculoskeletal, renal) and surgical complications (implant complications, radiographic complications, neurologic events, intraoperative events, and wound complications). Seventeen individuals ({''}event readers{''}), including spine surgeons, trainees, and research coordinators, used the new classification system two separate times to analyze complications in ten example cases. The accuracy and repeatability of the classification system were subsequently calculated based on the providers' responses for the example cases. Results. The 10 example cases included 22 complications. Nearly 95\% of complications were captured by >95\% of the event readers. The system demonstrated good repeatability of 86.9\% between the first and second set of responses provided by event readers. Conclusion. The ISSG-AO Multi-Domain Spinal Deformity Complication Classification System for Adult Spinal Deformity demonstrated good accuracy and repeatability among both surgeons and research coordinators in capturing complications in adult spinal deformity surgery. The ISSG-AO system may be applied to help better understand the impact of complications on outcomes and costs in adult spinal deformity surgery.
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    Adult Spinal Deformity Over 70 Years of Age: A 2-Year Follow-Up Study
    (INT SOC ADVANCEMENT SPINE SURGERY-ISASS, 2019-01-01) Karabulut, Cem; Ayhan, Selim; Yuksel, Selcen; Nabiyev, Vugar; Vila-Casademunt, Alba; Pellise, Ferran; Alanay, Ahmet; Sanchez Perez-Grueso, Francisco Javier; Kleinstuck, Frank; Obeid, Ibrahim; Acaroglu, Emre; Grp, European Spine Study
    Background: Treatment of adult spinal deformity (ASD) in elderly patients remains controversial. The aim of this study was to identify the factors leading to the surgical treatment by comparing the baseline characteristics of operative versus nonoperative patients, to evaluate the safety and efficacy of surgery, and to compare operative and nonoperative management of elderly ASD patients at the end of the 2-year follow-up period. Methods: Retrospective review of a multicenter, prospective ASD database was performed. Patients over 70 years of age with ASD who were scheduled to undergo surgical treatment and who were treated and/or followed without surgical intervention participated in the study. Demographic, clinical, surgical, and radiological characteristics and health-related quality-of-life (HRQOL) (Core Outcome Measures Index {[}COMI], Oswestry Disability Index {[}ODI], Short-Form-36 Mental Component Summary {[}SF-36 MCS], Short-Form-36 Physical Component Summary {[}SF36-PCS], and Scoliosis Research Society-22 {[}SRS-22]) parameters of such group of patients were evaluated pre-and posttreatment. Results: A total 90 patients (females: 71, males: 29
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    Clinicohistopathological features and treatment outcomes of neuroendocrine tumors: a single center experience
    (CUKUROVA UNIV, FAC MEDICINE, 2018-01-01) Sedef, Ali Murat; Kose, Fatih; Sumbul, Ahmet Taner; Mertsoylu, Huseyin; Besen, Ali Ayberk; Sezer, Ahmet; Ozyilkan, Ozgur; Abali, Huseyin
    Purpose: Tumor and patient characteristics of neuroendocrine tumors (NET) significantly change between geographical locations that probably induced by environmental and genetic factors throughout the world. Therefore, reporting single center experience may help clarifying epidemiological view and improving decision-making process. Materials and Methods: We performed retrospective analysis of 115 patients of NETs those who followed by Baskent University, department of Medical Oncology and department of General Surgery to record patients and tumors characteristics, treatment modalities, survival rates, and prognostic factors. Results: Median overall survival (OS) time for all group and localized NETs were 44 and 24 months, respectively. Most common primary site was found as gastrointestinal system and then pancreatic region. Curative surgical resection rate was 46\% and 8.5\% of patients presented with carcinoid syndrome. Liver metastasis was far the most common metastatic site compared to lung, bone, and lymph node metastasis. Over 70 percent of patients were treated with chemotherapy and somatostatin analogs. Conclusion: Patients with higher grade, male gender, and advanced age (>65 years old) had poor survival rate. However, relatively low number of patients and less usage of (<10\%) of new treatment modalities created limitations for producing future directions from our study.