Yonsei Medical Journal最新文献

筛选
英文 中文
Cardiovascular Manifestations in Behçet's Disease. 贝赫切特病的心血管表现
IF 2.6 4区 医学
Yonsei Medical Journal Pub Date : 2024-09-01 DOI: 10.3349/ymj.2023.0578
Jinhyun Kim
{"title":"Cardiovascular Manifestations in Behçet's Disease.","authors":"Jinhyun Kim","doi":"10.3349/ymj.2023.0578","DOIUrl":"10.3349/ymj.2023.0578","url":null,"abstract":"<p><p>Cardiovascular involvement in Behçet's disease (BD) is considerably related to morbidity and mortality. However, the cardiovascular manifestation is sometimes difficult to distinguish from those of other causes. The suspicion of BD and proper treatment is pivotal in the management of BD. Histology demonstrates perivasculitis. Neutrophil seems to play an important role in the inflammation of BD. It is thought that inflammation causes venous thrombosis and arterial aneurysm. Characteristically, BD involves both arteries and veins of variable size in any region. Venous thrombosis needs immunosuppression, and inferior vena cava thrombosis and Budd-Chiari syndrome require intensive immunosuppressive therapy. Arterial involvement causes aneurysm which usually is treated by surgical or endovascular intervention with immunosuppression. Pulmonary artery aneurysm and cardiac involvement require multimodal managements.</p>","PeriodicalId":23765,"journal":{"name":"Yonsei Medical Journal","volume":"65 9","pages":"493-500"},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11359608/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142081766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Association between Low Serum Creatinine Levels and Knee Osteoarthritis in Koreans without Renal Insufficiency. 无肾功能不全的韩国人血清肌酐水平低与膝骨关节炎之间的关系
IF 2.6 4区 医学
Yonsei Medical Journal Pub Date : 2024-09-01 DOI: 10.3349/ymj.2023.0456
Chung Woo Lim, Dong Jin Ryu, Young Ju Suh
{"title":"Association between Low Serum Creatinine Levels and Knee Osteoarthritis in Koreans without Renal Insufficiency.","authors":"Chung Woo Lim, Dong Jin Ryu, Young Ju Suh","doi":"10.3349/ymj.2023.0456","DOIUrl":"10.3349/ymj.2023.0456","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to investigate the correlation between serum creatinine levels and the presence and severity of radiographic knee osteoarthritis (OA) in individuals aged ≥50 years while adjusting for potential confounders.</p><p><strong>Materials and methods: </strong>Cross-sectional data from the 2009-2011 Korea National Health and Nutrition Examination Survey comprising 3428 individuals aged ≥50 years were utilized. The Kellgren-Lawrence (K-L) grading scale was used to assess the radiographic presence and severity of knee OA. Logistic regression and receiver operating characteristic analyses were used to investigate the association between serum creatinine levels and the presence of knee OA, whereas ordinal regression was used to assess the impact of creatinine levels on knee OA severity.</p><p><strong>Results: </strong>The presence of radiographic knee OA conferred by low serum creatinine levels was found to be significant in both sexes [odds ratio (OR), 0.118; 95% confidence interval (CI), 0.045-0.314, <i>p</i><0.001 for men; OR, 0.148; 95% CI, 0.040-0.549, <i>p</i>=0.004 for women]. Low serum creatinine was significantly associated with knee OA-graded K-L severity in each sex-based group [β, -1.923; standard error, 0.478; <i>p</i><0.001 for men and β, -1.532; SE, 0.575; <i>p</i>=0.008 for women].</p><p><strong>Conclusion: </strong>Low serum creatinine level was associated with a higher presence of knee OA in both men and women, and was also linked to the severity of the disease. These findings suggest that the serum creatinine level may be a potential biomarker for assessing the presence and severity of knee OA.</p>","PeriodicalId":23765,"journal":{"name":"Yonsei Medical Journal","volume":"65 9","pages":"519-526"},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11359604/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142081765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Use of Advanced Energy Devices and Fiberoptic Retractors in Single-Incision Breast-Conserving Surgery for Breast Cancer. 在乳腺癌单切口保乳手术中使用先进的能量设备和光纤牵引器。
IF 2.6 4区 医学
Yonsei Medical Journal Pub Date : 2024-09-01 DOI: 10.3349/ymj.2023.0348
Hye Jin Kim, Dong-Min Shin, Junho Cho, Kwanbum Lee, Jeea Lee, Hyung Seok Park
{"title":"Use of Advanced Energy Devices and Fiberoptic Retractors in Single-Incision Breast-Conserving Surgery for Breast Cancer.","authors":"Hye Jin Kim, Dong-Min Shin, Junho Cho, Kwanbum Lee, Jeea Lee, Hyung Seok Park","doi":"10.3349/ymj.2023.0348","DOIUrl":"10.3349/ymj.2023.0348","url":null,"abstract":"<p><strong>Purpose: </strong>The use of advanced energy devices for mastectomy and axillary lymph node dissection can reduce perioperative blood loss, seroma formation, and drainage duration/volume. Retraction using fiberoptic retractors can help visualize deep and narrow surgical fields. We aimed to compare the postoperative outcomes between single-incision breast-conserving surgery (SIBCS) and conventional breast-conserving surgery (CBCS) with axillary staging using advanced energy devices and conventional equipment, respectively.</p><p><strong>Materials and methods: </strong>We retrospectively reviewed the medical records of 244 patients who underwent BCS with axillary surgery between March 2018 and September 2019 at Severance Hospital. The patients were grouped based on the device used to aid in axillary staging: CBCS group (n=117) used conventional electrocautery; and SIBCS group (n=127) used advanced energy devices and fiberoptic retractors. The two groups were compared for postoperative outcomes.</p><p><strong>Results: </strong>The mean patient age was 55.9 and 53.1 years in the CBCS and SIBCS groups, respectively. Incision size was significantly smaller in the SIBCS group than in the CBCS group (6.3±2.1 cm vs. 7.5±2.5 cm, <i>p</i>=0.044). There were no significant differences between the two groups in terms of operating time (126.0±40.0 min vs. 127.0±63.0 min, <i>p</i>=0.828), operative blood loss (11.0±31.0 mL vs. 7.0±18.0 mL, <i>p</i>=0.100), drainage duration (7.0±3.0 d vs. 8.0±4.0 d, <i>p</i>=0.288), and complications (1.70% vs. 2.36%, <i>p</i>=0.523).</p><p><strong>Conclusion: </strong>Using advanced energy devices for SIBCS with axillary staging reduced incision size and provided better cosmetic outcomes compared to those using the conventional method. Advanced energy devices may offer better surgical outcomes in patients who undergo BCS with axillary staging.</p>","PeriodicalId":23765,"journal":{"name":"Yonsei Medical Journal","volume":"65 9","pages":"511-518"},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11359607/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142081864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Association of Smoking Status with Diabetic Microvascular Complications in Korean Patients with Type 2 Diabetes. 韩国 2 型糖尿病患者的吸烟状况与糖尿病微血管并发症的关系。
IF 2.6 4区 医学
Yonsei Medical Journal Pub Date : 2024-08-01 DOI: 10.3349/ymj.2023.0355
Yongin Cho, Hye-Sun Park, Da Hea Seo, Seong Hee Ahn, Seongbin Hong, Young Ju Suh, Suk Chon, Jeong-Taek Woo, Sei Hyun Baik, Kwan Woo Lee, So Hun Kim
{"title":"The Association of Smoking Status with Diabetic Microvascular Complications in Korean Patients with Type 2 Diabetes.","authors":"Yongin Cho, Hye-Sun Park, Da Hea Seo, Seong Hee Ahn, Seongbin Hong, Young Ju Suh, Suk Chon, Jeong-Taek Woo, Sei Hyun Baik, Kwan Woo Lee, So Hun Kim","doi":"10.3349/ymj.2023.0355","DOIUrl":"10.3349/ymj.2023.0355","url":null,"abstract":"<p><strong>Purpose: </strong>Few studies have investigated the association between smoking and microvascular complications in the Asian population with type 2 diabetes mellitus (T2DM). We aimed to investigate the relationship between smoking status and microvascular complications in Korean patients with T2DM.</p><p><strong>Materials and methods: </strong>From the Korean National Diabetes Program cohort, we included 2316 Korean male with T2DM who had baseline clinical information available, including their smoking status, and underwent diabetic complication studies.</p><p><strong>Results: </strong>Compared to non-smokers, current smokers had higher odds of any-microvascular complications [adjusted odds ratio (aOR) 1.45, 95% confidence interval (CI) 1.07-1.97, <i>p</i>=0.016]. The odds of neuropathy were significantly higher; however, the odds of retinopathy were significantly lower in current smokers than in nonsmokers (all <i>p</i><0.05). Among those who underwent repeated complication tests after 3 years, the risk of newly developed retinopathy was significantly increased in ex-smokers [aOR 3.77 (95% CI 1.61-8.87), <i>p</i>=0.002]. Within ex-smokers, long smoking duration and smoking cessation within the recent 5 years were associated with an increased risk of newly developed retinopathy (all <i>p</i><0.05).</p><p><strong>Conclusion: </strong>Male smokers had higher odds of having overall diabetic microvascular complications, including neuropathy. However, the odds of having retinopathy were significantly lower among current smokers. More attention and research are needed regarding the increased risk of retinopathy development in ex-smokers who have recently stopped smoking after a long history of smoking.</p>","PeriodicalId":23765,"journal":{"name":"Yonsei Medical Journal","volume":"65 8","pages":"427-433"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11284303/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recurrent Acute Limb Ischemia and Successful Treatment with Endovascular Thrombectomy. 复发性急性肢体缺血和血管内血栓切除术的成功治疗。
IF 2.6 4区 医学
Yonsei Medical Journal Pub Date : 2024-08-01 DOI: 10.3349/ymj.2023.0367
Bruce A Rheaume, Muhammad Y Adeel, Khagendra Dahal, Juyong Lee
{"title":"Recurrent Acute Limb Ischemia and Successful Treatment with Endovascular Thrombectomy.","authors":"Bruce A Rheaume, Muhammad Y Adeel, Khagendra Dahal, Juyong Lee","doi":"10.3349/ymj.2023.0367","DOIUrl":"10.3349/ymj.2023.0367","url":null,"abstract":"<p><p>Atrial fibrillation (AF) is associated with an increased risk of thromboembolic events; however, many patients with AF are noncompliant with medication regimens, which increases said risk substantially. Suboptimal health literacy presents significant hurdles to compliance with medical treatment. Here we present a case of an elderly Hispanic woman with AF and several comorbidities, including a history of dementia, who presented with consecutive recurrence of acute limb ischemia in the bilateral lower extremities just 3 days apart. Both events were successfully treated with endovascular thrombectomy. This case study not only showcases the efficacy of the latest endovascular technologies, but also draws attention to the importance of strict patient medication adherence in AF and the effects that health literacy can have on said adherence.</p>","PeriodicalId":23765,"journal":{"name":"Yonsei Medical Journal","volume":"65 8","pages":"488-491"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11284302/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cumulative Effects of Concurrent Inspiratory Muscle Training and Postural Correction Bands on Older Individuals Community Dwellers: A Randomized Study. 同时进行吸气肌训练和姿势矫正带对社区老年居民的累积效应:随机研究
IF 2.6 4区 医学
Yonsei Medical Journal Pub Date : 2024-08-01 DOI: 10.3349/ymj.2023.0551
Tae Sung Park, Sang Hun Kim, Myung-Jun Shin
{"title":"Cumulative Effects of Concurrent Inspiratory Muscle Training and Postural Correction Bands on Older Individuals Community Dwellers: A Randomized Study.","authors":"Tae Sung Park, Sang Hun Kim, Myung-Jun Shin","doi":"10.3349/ymj.2023.0551","DOIUrl":"10.3349/ymj.2023.0551","url":null,"abstract":"<p><strong>Purpose: </strong>Posture correction bands (PCBs) have been proposed as aids to help chest expansion and to enhance respiratory function. However, the impact of PCBs on community-based older individuals engaged in inspiratory muscle training (IMT) at home remains unclear.</p><p><strong>Materials and methods: </strong>Community-based individuals aged 65 years and older were divided into the PCB group, wearing PCBs, and the NPCB group, not wearing PCBs. The IMT regimen lasted 8 weeks, with sessions 5 times a week, including 4 sets per day and 15 repetitions per set. Training intensity was set at 50% of the maximum inspiratory pressure of each subject. To assess the effects of IMT, respiratory function, 6-minute walk test, and grip strength were measured before, during, and after the training period. Data were analyzed using repeated-measures analysis of variance, with post-hoc evaluation employing Bonferroni correction.</p><p><strong>Results: </strong>A total of 40 subjects were evenly divided into the PCB group and the NPCB group, with 20 subjects in each group. No significant difference was observed in respiratory muscle strength based on PCB use. However, during the initial 4 weeks, the PCB group exhibited a trend towards an increase in respiratory muscle strength compared to the NPCB group; this trend, however, did not prove to be statistically significant by the end of the 8-week period. Performance on the 6-minute walk test significantly improved in both groups.</p><p><strong>Conclusion: </strong>The PCB group exhibited a tendency for increase in respiratory muscle strength in the first 4 weeks; however, ultimately there was no significant difference compared to the NPCB group.</p><p><strong>Clinical trial registration: </strong>This study was registered with the Clinical Research Information Service, part of the World Health Organization's International Clinical Trials Registry Platform (Clinical Research Information Service No. KCT0008075).</p>","PeriodicalId":23765,"journal":{"name":"Yonsei Medical Journal","volume":"65 8","pages":"472-479"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11284306/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of the Current Urgency-Based Lung Allocation System in Korea with Simulation of the Eurotransplant Lung Allocation Score. 通过模拟欧洲移植肺分配评分评估韩国现行的基于紧急状况的肺分配系统。
IF 2.6 4区 医学
Yonsei Medical Journal Pub Date : 2024-08-01 DOI: 10.3349/ymj.2023.0532
Woo Sik Yu, Sun Mi Choi, Hye Ju Yeo, Dong Kyu Oh, Sung Yoon Lim, Young Tae Kim, Kyeongman Jeon, Jin Gu Lee
{"title":"Evaluation of the Current Urgency-Based Lung Allocation System in Korea with Simulation of the Eurotransplant Lung Allocation Score.","authors":"Woo Sik Yu, Sun Mi Choi, Hye Ju Yeo, Dong Kyu Oh, Sung Yoon Lim, Young Tae Kim, Kyeongman Jeon, Jin Gu Lee","doi":"10.3349/ymj.2023.0532","DOIUrl":"10.3349/ymj.2023.0532","url":null,"abstract":"<p><strong>Purpose: </strong>Due to the shortage of lung donors relative to the number of patients waiting for lung transplantation (LTx), more than one-third of patients on the waitlist have died without receiving LTx in Korea. Therefore, the importance of fair and effective allocation policies has been emphasized. This study investigated the characteristics of the current urgency-based allocation system in Korea by simulating the Eurotransplant lung allocation score (ET-LAS) using a nationwide multi-institutional registry for LTx in Korea.</p><p><strong>Materials and methods: </strong>This study used data from the Korean Organ Transplantation Registry (KOTRY), along with additional retrospective data for ET-LAS calculation. A total of 194 patients were included in this study between January 2015 and December 2019. The Korean urgency definition classifies an LTx candidate as having statuses 0-3 according to urgency. The ET-LAS was analyzed according to the Korean urgency status.</p><p><strong>Results: </strong>In total, 92 patients received lung transplants at status 0, 85 at status 1, and 17 at status 2/3. The ET-LAS showed a bimodal distribution with distinct peaks corresponding to status 0 and non-status 0. There was no significant difference in the ET-LAS among non-status 0 patients. In logistic and decision tree analyses, oxygen supplementation methods, particularly oxygen masks and high-flow nasal cannulas, were significantly associated with a high ET-LAS (≥50) among non-status 0 patients.</p><p><strong>Conclusion: </strong>Simulation of the ET-LAS with KOTRY data showed that the Korean urgency definition may not allocate lungs by urgency, especially for patients in non-status 0; therefore, it needs to be revised.</p>","PeriodicalId":23765,"journal":{"name":"Yonsei Medical Journal","volume":"65 8","pages":"463-471"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11284304/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of Prescription Trends for Narcotic Appetite Suppressants: Utilizing the Narcotics Information Management System. 麻醉性食欲抑制剂处方趋势分析:利用麻醉品信息管理系统。
IF 2.6 4区 医学
Yonsei Medical Journal Pub Date : 2024-08-01 DOI: 10.3349/ymj.2023.0335
Kyung Sun Oh, Euna Han
{"title":"Analysis of Prescription Trends for Narcotic Appetite Suppressants: Utilizing the Narcotics Information Management System.","authors":"Kyung Sun Oh, Euna Han","doi":"10.3349/ymj.2023.0335","DOIUrl":"10.3349/ymj.2023.0335","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to systematically analyze the prescription trends of medical narcotic appetite suppressants in South Korea.</p><p><strong>Materials and methods: </strong>Data was extracted from the Narcotics Information Management System dataset from 2020, which encompasses nationwide information concerning the use of medical narcotics. The selected variables for this study included the types of prescribed medical narcotic appetite suppressants, gender, age, region, and the category of medical institution. Regional prescription trends were compared by utilizing the defined daily doses for statistical purposes (S-DDD).</p><p><strong>Results: </strong>The prescription of medical narcotic appetite suppressants was predominantly for females (94%), with the highest prescription rates identified in the 30-40 age group. The majority of these prescriptions were dispensed by clinics. Within the category of narcotic appetite suppressants, phentermine and phendimetrazine were found to have higher prescription rates. Notably, the region of Daegu recorded the highest S-DDD value (12.66) in phentermine consumption.</p><p><strong>Conclusion: </strong>Our findings underscore the need for governmental policy and guidance to address the risks linked to the long-term use of medical narcotic appetite suppressants. This is crucial to ensure their safe and efficacious prescription and administration.</p>","PeriodicalId":23765,"journal":{"name":"Yonsei Medical Journal","volume":"65 8","pages":"480-487"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11284301/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Diverging Relationships among Amyloid, Tau, and Brain Atrophy in Early-Onset and Late-Onset Alzheimer's Disease. 早发型和晚发型阿尔茨海默病中淀粉样蛋白、Tau 和脑萎缩之间的不同关系
IF 2.6 4区 医学
Yonsei Medical Journal Pub Date : 2024-08-01 DOI: 10.3349/ymj.2023.0308
Han Kyu Na, Jeong-Hyeon Shin, Sung-Woo Kim, Seongho Seo, Woo-Ram Kim, Jae Myeong Kang, Sang-Yoon Lee, Jaelim Cho, Justin Byun, Nobuyuki Okamura, Joon-Kyung Seong, Young Noh
{"title":"Diverging Relationships among Amyloid, Tau, and Brain Atrophy in Early-Onset and Late-Onset Alzheimer's Disease.","authors":"Han Kyu Na, Jeong-Hyeon Shin, Sung-Woo Kim, Seongho Seo, Woo-Ram Kim, Jae Myeong Kang, Sang-Yoon Lee, Jaelim Cho, Justin Byun, Nobuyuki Okamura, Joon-Kyung Seong, Young Noh","doi":"10.3349/ymj.2023.0308","DOIUrl":"10.3349/ymj.2023.0308","url":null,"abstract":"<p><strong>Purpose: </strong>Alzheimer's disease (AD) dementia may not be a single disease entity. Early-onset AD (EOAD) and late-onset AD (LOAD) have been united under the same eponym of AD until now, but disentangling the heterogeneity according to the age of sonset has been a major tenet in the field of AD research.</p><p><strong>Materials and methods: </strong>Ninety-nine patients with AD (EOAD, n=54; LOAD, n=45) and 66 cognitively normal controls completed both [<sup>18</sup>F]THK5351 and [<sup>18</sup>F]flutemetamol (FLUTE) positron emission tomography scans along with structural magnetic resonance imaging and detailed neuropsychological tests.</p><p><strong>Results: </strong>EOAD patients had higher THK retention in the precuneus, parietal, and frontal lobe, while LOAD patients had higher THK retention in the medial temporal lobe. Intravoxel correlation analyses revealed that EOAD presented narrower territory of local FLUTE-THK correlation, while LOAD presented broader territory of correlation extending to overall parieto-occipito-temporal regions. EOAD patients had broader brain areas which showed significant negative correlations between cortical thickness and THK retention, whereas in LOAD, only limited brain areas showed significant correlation with THK retention. In EOAD, most of the cognitive test results were correlated with THK retention. However, a few cognitive test results were correlated with THK retention in LOAD.</p><p><strong>Conclusion: </strong>LOAD seemed to show gradual increase in tau and amyloid, and those two pathologies have association to each other. On the other hand, in EOAD, tau and amyloid may develop more abruptly and independently. These findings suggest LOAD and EOAD may have different courses of pathomechanism.</p>","PeriodicalId":23765,"journal":{"name":"Yonsei Medical Journal","volume":"65 8","pages":"434-447"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11284308/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
One-Year Results of Ear Reconstruction with 3D Printed Implants. 使用 3D 打印植入物进行耳部重建的一年期结果。
IF 2.6 4区 医学
Yonsei Medical Journal Pub Date : 2024-08-01 DOI: 10.3349/ymj.2023.0444
Mijung Kim, Yun Jung Kim, Young Seok Kim, Tai Suk Roh, Eun-Ju Lee, Jin-Hyung Shim, Eun Hye Kang, Min Ji Kim, In Sik Yun
{"title":"One-Year Results of Ear Reconstruction with 3D Printed Implants.","authors":"Mijung Kim, Yun Jung Kim, Young Seok Kim, Tai Suk Roh, Eun-Ju Lee, Jin-Hyung Shim, Eun Hye Kang, Min Ji Kim, In Sik Yun","doi":"10.3349/ymj.2023.0444","DOIUrl":"10.3349/ymj.2023.0444","url":null,"abstract":"<p><strong>Purpose: </strong>External ear reconstruction has been a challenging subject for plastic surgeons for decades. Popular methods using autologous costal cartilage or polyethylene still have their drawbacks. With the advance of three-dimensional (3D) printing technique, bioscaffold engineering using synthetic polymer draws attention as an alternative. This is a clinical trial of ear reconstruction using 3D printed scaffold, presented with clinical results after 1 year.</p><p><strong>Materials and methods: </strong>From 2021 to 2022, five adult patients with unilateral microtia underwent two-staged total ear reconstruction using 3D printed implants. For each patient, a patient-specific 3D printed scaffold was designed and produced with polycaprolactone (PCL) based on computed tomography images, using fused deposition modeling. Computed tomography scan was obtained preoperatively, within 2 weeks following the surgery and after 1 year, to compare the volume of the normal side and the reconstructed ear. At 1-year visit, clinical photo was taken for scoring by two surgeons and patients themselves.</p><p><strong>Results: </strong>All five patients had completely healed reconstructed ear at 1-year follow-up. On average, the volume of reconstructed ear was 161.54% of that of the normal side ear. In a range of 0 to 10, objective assessors gave scores 3 to 6, whereas patients gave scores 8 to 10.</p><p><strong>Conclusion: </strong>External ear reconstruction using 3D printed PCL implant showed durable, safe results reflected by excellent volume restoration and patient satisfaction at 1 year postoperatively. Further clinical follow-up with more cases and refinement of scaffold with advancing bioprinting technique is anticipated. The study's plan and results have been registered with the Clinical Research Information Service (CRIS No. 3-2019-0306) and the Ministry of Food and Drug Safety (MFDS No. 1182).</p>","PeriodicalId":23765,"journal":{"name":"Yonsei Medical Journal","volume":"65 8","pages":"456-462"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11284305/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信