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Postoperative Fever Evaluation Following Lumbar Fusion Procedures
Benjamin C. Mayo,Brittany E. Haws,Daniel D. Bohl,Philip K. Louie,Fady Y. Hijji,Ankur S. Narain,Dustin H. Massel,Benjamin Khechen,Kern Singh 대한척추신경외과학회 2018 Neurospine Vol.15 No.2
Objective: This study aimed to determine the incidence of postoperative fever, the workup conducted for postoperative fever, the rate of subsequent fever-related diagnoses or complications, and the risk factors associated with fever following lumbar fusion. Methods: A retrospective review of patients undergoing lumbar fusion was performed. For patients in whom fever (≥38.6°C) was documented, charts were reviewed for any fever workup or diagnosis. Multivariate regression was used to identify independent risk factors for the development of postoperative fever. Results: A total of 868 patients met the inclusion criteria, of whom 105 exhibited at least 1 episode of fever during hospitalization. The first documentation of fever occurred during the first 24 hours in 43.8% of cases, during postoperative hours 24–48 in 53.3%, and later than 48 hours postoperatively in 2.9%. At least 1 component of a fever workup was conducted in 47 of the 105 patients who had fever, resulting in fever-associated diagnoses in 4 patients prior to discharge. Three patients who had fever during the inpatient stay developed complications after discharge. On multivariate analysis, operations longer than 150 minutes (relative risk [RR], 1.66; p=0.015) and narcotic consumption greater than 85 oral morphine equivalents on postoperative day 0 (RR, 1.53; p=0.038) were independently associated with an increased risk of developing postoperative fever. Conclusion: The results of this study suggest that inpatient fever occurred in roughly 1 in 8 patients following lumbar fusion surgery. In most cases where a fever workup was performed, no cause of fever was detected. Longer operative time and increased early postoperative narcotic use may increase the risk of developing postoperative fever.
Biju Benjamin,Mridula Ambwani Benjamin,Myint Swe,Sandheep Sugathan 대한골다공증학회 2016 Osteoporosis and Sarcopenia Vol.2 No.2
Objective: Osteoporosis is a rapidly rising cause of concern for elderly patients. Various classes of drugs are available in the market. Bisphosphonates are considered as a first-line therapy for the prevention and treatment. Denosumab is an antiresorptive agent which is a RANK ligand inhibitor. There is a scarcity of comparison between these two classes of drugs. The aim of this study is to compare efficacy of Bisphosphonates and Denosumab in various parameters. Materials and methods: Literature search was done for randomized controlled trials (RCTs) comparing bisphosphonates with denosumab. RCTs with a treatment period of at least one year with a baseline bone mineral density (BMD) and bone turnover markers (BTM) and follow up values at one year were included in the study. All included studies were also analysed for complications. The study has also been registered in PROSPERO International prospective register of systematic reviews. Results: A total of five RCTs were identified providing data on 3751 participants. In all five studies, the BMD changes at both hip and spine were statistically significant in favour of denosumab. Result was similar in three studies that studied BMD changes at the wrist. Denosumab also produced significant reduction in BTM as early as one month, but at one year there was no difference compared to the bisphosphonates. There was no statistically significant differences in the complication rates. Conclusion: Though both bisphosphonates and denosumab were effective with similar side effects, the latter was statistically superior in increasing the BMD and reducing the BTM. © 2016 The Korean Society of Osteoporosis. Publishing services by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Das Korea-Bild in deutschsprachigen Reiseberichten der Gegenwart
Benjamin Neuss 한독사회과학회 2015 한독사회과학논총 Vol.25 No.4
한국과 독일의 관계는 그 역사가 깊다. 그리고 세계화가 진행됨에 따라 두 문화가 마주치는 일이 더욱 빈번해 지고 있다. 이러한 두 문화와의 만남은 현실적인 문제를 야기하지 않을 수 없다. 바로 이 때문에 편견과 선입견을 방지 할 수 있는 간문화적 이해가 필요하다. 이번 논문을 통해 독일인들이 한국에 장기간 거주하며 느낀 세 가지 여행수기를 살펴보고 이들이 한국이라는 타지에서 어떤 인상을 받으며 이국문화에 접근 하는지를 연구 한다. 이론적인 접근을 위해 이마골로지(Imagology)적인 관점에서 연구 를 진행하였으며 특히 타문화와 고유문화에 대한 시각을 문학텍스트 속에서 살펴보고 이를 통해 서로 다른 관점을 부각 시키고자 하였다. 이는 민족 간의 이해를 개선하는데 기여 할 것이다. The German-Korean relations can look back on a long history and in the course of globalization the encounters between the two cultures has been increasing. In reality, however, the relationships are not without problems and they require intercultural understanding so that prejudices and clichés can be avoided. Against this background, the present study examined three different travelogues of Germans who have spent a long time in Korea. It is investigating the question, what images they have of the foreignness and how they manage the approach to a different culture. The theoretical framework for the study is the imagology, which specializes on finding external and internal images in literary texts to highlight different perspectives and to contribute to a better international understanding.
Finite, Fiber-preserving Group Actions on Elliptic 3-manifolds
Benjamin Peet 경북대학교 자연과학대학 수학과 2022 Kyungpook mathematical journal Vol.62 No.2
In two previous papers the author presented a general construction of finite, fiber- and orientation-preserving group actions on orientable Seifert manifolds. In this paper we restrict our attention to elliptic 3-manifolds. For illustration of our methods a constructive proof is given that orientation-reversing and fiber-preserving diffeomorphisms of Seifert manifolds do not exist for nonzero Euler class, in particular elliptic 3-manifolds. Each type of elliptic 3-manifold is then considered and the possible group actions that fit the given construction. This is shown to be all but a few cases that have been con sidered elsewhere. Finally, a presentation for the quotient space under such an action is constructed and a specific example is generated.