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        Appraisal of the Clinical Practice Guidelines for the Use of Antithrombotic Therapy in Elective Spinal Procedures: Do We AGREE (II)?

        Ntalouka Maria P.,Brotis Alexandros G.,Angelis Fragkiskos A.,Peroulis Michail,Matsagkas Miltiadis,Fountas Kostantinos N.,Arnaoutoglou Eleni M. 대한척추외과학회 2023 Asian Spine Journal Vol.17 No.4

        The perioperative management of patients medicated with antithrombotic agents who require elective spinal surgery is extremely challenging because of the increased risk of surgical bleeding and the concurrent need to minimize the thromboembolic risk. The aims of the present systematic review are to: (1) identify clinical practice guidelines (CPGs) and recommendations (CPRs) on this topic and (2) assess their methodological quality and reporting clarity. An electronic systematic search of the English Medical Literature up to January 31, 2021 was conducted using PubMed, Google Scholar, and Scopus. Two raters assessed the methodological quality and reporting clarity of the gathered CPGs and CPRs using the Appraisal of Guidelines for Research and Evaluation II (AGREE II) tool. The agreement between the two raters was assessed using Cohen’s kappa. Of the initially gathered 38 CPGs and CPRs, 16 fulfilled our eligibility criteria and were evaluated using the AGREE II instrument. The reports published by “Narouze 2018” and “Fleisher 2014” were scored as being of “high-quality” and having an adequate interrater agreement (Cohen’s kappa ≥0.60). Overall, the AGREE II domains of “clarity of presentation” and “scope and purpose” yielded the highest scores (100%), whereas the domain “stakeholder involvement” scored the lowest score (48.5%). The perioperative management of antiplatelet and anticoagulant agents in elective spine surgery may be challenging. Because of the lack of high-quality data in this field, uncertainty remains regarding the optimal practices to balance the risk of thromboembolism against that of bleeding.

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        Initial Clinical Experience with the Endologix AFX Unibody Stent Graft System for Treating Patients with Abdominal Aortic Aneurysms: A Case Controlled Comparative Study

        George N. Kouvelos,Petroula Nana,Vasilios Bouris,Michalis Peroulis,Aikaterini Drakou,Nikolaos Rousas,Athanasios Giannoukas,Miltiadis I. Matsagkas 대한혈관외과학회 2017 Vascular Specialist International Vol.33 No.1

        Purpose: The newly designed unibody AFX endograft system for endovascular aortic aneurysm repair is the only graft with anatomical fixation to the aortic bifurcation in comparison to most other grafts that use the infrarenal neck as the main fixation point. The aim of this study was to assess the preliminary results of the AFX stent-graft system used with infrarenal aortic component and compare them with those obtained in patients treated with a well established endograft of the same material and pure infrarenal fixation as the Gore Excluder. Materials and Methods: A retrospective analysis of prospectively collected data from March 2014 to December 2014 identified 10 elective abdominal aortic aneurysm patients treated with the AFX endograft, in comparison to a matched group of 20 patients treated with the Excluder stent-graft. Endpoints included technical and clinical success, freedom from any secondary intervention, any type of endoleak and aneurysm related death. Results: Primary technical success was achieved in all patients and no 30-day device related complications or deaths were occurred. The two groups were similar in terms of radiation burden, contrast media, duration of the procedure, post implantation syndrome and in-hospital stay. During a median follow-up period of 23 months (range, 18-26 months) there were no differences in clinical success, freedom from reintervention and aneurysm related death. No type I endoleak was observed in either group. Five of the 6 type II endoleaks (1 in the AFX and 4 in the Excluder group) spontaneously resolved, while in only one patient (Excluder) the endoleak remained without however any change in aneurysm sac diameter (log rank=0.34). Conclusion: The initial experience with the AFX stent graft system is promising, with successful aneurysm exclusion and good short-term results. Further and larger studies are needed to fully evaluate the sort as well as the long-term results.

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