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Ji H, You SK, Lee JE, Lee SM, Cho HH, Ohm JY. Feasibility of Pediatric Low-Dose Facial CT Reconstructed with Filtered Back Projection Using Adequate Kernels. J Korean Soc Radiol 2022; 83:669-679. [PMID: 36238515 PMCID: PMC9514522 DOI: 10.3348/jksr.2021.0003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 05/04/2021] [Accepted: 06/30/2021] [Indexed: 11/15/2022]
Abstract
Purpose Materials and Methods Results Conclusion
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Affiliation(s)
- Hye Ji
- Department of Radiology, Chungnam National University Hospital, Daejeon, Korea
| | - Sun Kyoung You
- Department of Radiology, Chungnam National University Hospital, Chungnam National University College of Medicine, Daejeon, Korea
| | - Jeong Eun Lee
- Department of Radiology, Chungnam National University Hospital, Chungnam National University College of Medicine, Daejeon, Korea
| | - So Mi Lee
- Department of Radiology, School of Medicine, Kyungpook National University, Kyungpook National University Chilgok Hospital, Daegu, Korea
| | - Hyun-Hae Cho
- Department of Radiology, Ewha Womans University Mokdong Hospital, Seoul, Korea
| | - Joon Young Ohm
- Department of Radiology, Chungnam National University Hospital, Daejeon, Korea
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Ohm JY, Lee HJ. Purple urine bag syndrome. Postgrad Med J 2019; 95:453. [PMID: 31332024 DOI: 10.1136/postgradmedj-2019-136762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 05/30/2019] [Indexed: 11/03/2022]
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Choi MJ, Kim PH, Shin JH, Kim JW, Gwon DI, Kim JH, Ko GY, Yoon HK, Ohm JY. Angiographic management of percutaneous renal procedure-related bleeding: A single-center experience. Int J Urol 2018; 26:406-412. [PMID: 30575138 DOI: 10.1111/iju.13891] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 11/26/2018] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To present the radiological and clinical results of transcatheter arterial embolization in patients with active bleeding after percutaneous renal procedures. METHODS A total of 79 consecutive patients who underwent angiography for percutaneous renal procedure-related bleeding were included in the present retrospective analysis. Patient characteristics, angiographic management and clinical outcomes were analyzed. RESULTS On angiography, bleeding foci were observed in 81.0% of the patients (64/79), all of whom underwent transcatheter arterial embolization. Among the 15 patients (19.0%) with negative angiographic findings, empirical transcatheter arterial embolization was carried out in six patients (40.0%). The technical success rate in 64 patients with positive angiographic findings was 100%, and the clinical success rate in 70 patients who underwent transcatheter arterial embolization was 85.7% (60/70). A total of 14.3% (10/70) of patients with clinical failure underwent repeat transcatheter arterial embolization and all achieved clinical recovery. There were no major complications. There was no statistical difference in estimated glomerular filtration rate values before the percutaneous renal procedure and those measured 7 days after transcatheter arterial embolization (43.4 ± 24.4 to 44.6 ± 25.1 mL/min/1.73 m2 ; P = 0.189). Clinical failure was not associated with age, sex, type of renal procedures, bleeding tendency, presence of active bleeding on angiography, latency time and embolic agents used (P > 0.05). CONCLUSIONS Transcatheter arterial embolization is a safe and effective method of treating percutaneous renal procedure-related bleeding without renal function deterioration.
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Affiliation(s)
- Min Jeong Choi
- Department of Radiology, Dankook University Hospital, Cheonan, Korea
| | - Pyeong Hwa Kim
- Department of Radiology and Research Institute of Radiology, College of Medicine, Asan Medical Center, University of Ulsan, Seoul, Korea
| | - Ji Hoon Shin
- Department of Radiology and Research Institute of Radiology, College of Medicine, Asan Medical Center, University of Ulsan, Seoul, Korea
| | - Jong Woo Kim
- Department of Radiology and Research Institute of Radiology, College of Medicine, Asan Medical Center, University of Ulsan, Seoul, Korea
| | - Dong Il Gwon
- Department of Radiology and Research Institute of Radiology, College of Medicine, Asan Medical Center, University of Ulsan, Seoul, Korea
| | - Jin Hyoung Kim
- Department of Radiology and Research Institute of Radiology, College of Medicine, Asan Medical Center, University of Ulsan, Seoul, Korea
| | - Gi-Young Ko
- Department of Radiology and Research Institute of Radiology, College of Medicine, Asan Medical Center, University of Ulsan, Seoul, Korea
| | - Hyun-Ki Yoon
- Department of Radiology and Research Institute of Radiology, College of Medicine, Asan Medical Center, University of Ulsan, Seoul, Korea
| | - Joon Young Ohm
- Department of Radiology, Chungnam National University Hospital, Daejeon, Korea
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Choi W, Shin JH, Kim PH, Han K, Ohm JY, Kim JH, Kim JW. Clinical outcomes of 23 patients who had repeat pelvic arterial embolisation for uncontrolled post-partum haemorrhage at a single centre. Clin Radiol 2018; 73:665-671. [PMID: 29622362 DOI: 10.1016/j.crad.2018.02.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 02/13/2018] [Indexed: 01/23/2023]
Abstract
AIM To evaluate the safety and efficacy of repeated pelvic arterial embolisation (PAE) for uncontrolled postpartum haemorrhage (PPH) after a single session of PAE and to compare angiographic findings between the two sessions of PAE. MATERIALS AND METHODS A total of 23 consecutive patients (age range, 23-44 years) who underwent repeated PAE for uncontrolled PPH between March 2001 and January 2016 in Severance Hospital were reviewed. The interval times between the two sessions of PAE, the angiographic findings, embolic materials, arteries embolised during PAE, and the clinical outcomes were reviewed retrospectively. RESULTS Overall clinical success was achieved after repeated PAE in 21 of 23 patients (91.3%). There were no procedure-related, major complications. On angiography, active bleeding from the uterine collateral arteries was more frequently observed in the second session of PAE (p>0.05), and embolisation of the anterior division of the internal iliac artery was significantly higher during the second session of PAE. Use of permanent embolic materials was significantly higher during the second session of PAE. Recanalisation of a previously embolised artery was identified in 14 patients (60.9%) during the second session. CONCLUSION Repeated PAE is safe and effective for managing recurrent bleeding after a single session of PAE. Repeated PAE is related to a higher chance of embolisation of the anterior division of the internal iliac artery, with the use of permanent embolic materials. Recanalisation of a previously embolised artery seems to be a principal source of rebleeding during a repeated session of PAE.
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Affiliation(s)
- W Choi
- Department of Radiology, Severance Hospital, Research Institute of Radiological Science, Yonsei University, College of Medicine, 50-1, Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - J H Shin
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea.
| | - P H Kim
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea
| | - K Han
- Department of Radiology, Severance Hospital, Research Institute of Radiological Science, Yonsei University, College of Medicine, 50-1, Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - J Y Ohm
- Department of Radiology, Chungnam National University Hospital, 282, Munhwa-ro, Jung-gu, Daejeon, 35015, Republic of Korea
| | - J H Kim
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea
| | - J W Kim
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 138-736, Republic of Korea
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Kang CH, Yang SB, Lee WH, Ahn JH, Goo DE, Han NJ, Ohm JY. Comparison of Open-Cell Stent and Closed-Cell Stent for Treatment of Central Vein Stenosis or Occlusion in Hemodialysis Patients. Iran J Radiol 2016; 13:e37994. [PMID: 27895880 PMCID: PMC5120236 DOI: 10.5812/iranjradiol.37994] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 08/02/2016] [Accepted: 08/16/2016] [Indexed: 11/25/2022]
Abstract
Background Central vein stenosis or occlusion is a common complication that can lead to significant morbidity and dysfunction of access in the hemodialysis patient. More lesions can develop over time, and preserving access becomes a challenge as life expectancy of the hemodialysis patient increases. Objectives The goal was to compare long-term results and determine the outcomes of open-cell stent versus closed-cell stent for central vein stenosis or occlusion in hemodialysis patients. Patients and Methods From 1997 to 2015, in 401 hemodialysis patients, stent placement for central vein stenosis or occlusion was performed if balloon angioplasty was unsatisfactory, due to elastic recoil or occurrence of restenosis within 3 months. When thrombus was present, primary stenting was performed. A total of 257 open-cell stents and 144 closed-cell stents were used. Angiographic findings including lesion site, central vein stenosis or occlusion, and presence of thrombosis and complication were evaluated. Primary patency rate and mean patency rate of the stent were compared between two stent groups by Kaplan-Meier survival analysis. Results For the open-cell stent group, 159 patients were diagnosed as central vein stenosis and 98 were occlusion. For the closed-cell stent group, 78 were stenosis and 66 were occlusion. There were two complications for central migration and two for procedure-related vein rupture. Open-cell stents and closed-cell stents had mean patency rates of 10.9 ± 0.80 months and 8.5 ± 10.87 months, respectively (P = 0.002). Conclusion The open-cell stent is effective and its performance is higher than that obtained with the closed-cell stent for treating central vein stenosis or occlusion in hemodialysis patients.
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Affiliation(s)
- Chae Hoon Kang
- Department of Radiology, Gangneung Asan Hospital, Gangneung, South Korea
| | - Seung Boo Yang
- Department of Radiology, Soonchunhyang University Hospital, Gumi, South Korea
- Corresponding author: Seung Boo Yang, Department of Radiology, Soonchunhyang University Hospital, Gumi, South Korea, E-mail:
| | - Woong Hee Lee
- Department of Radiology, Soonchunhyang University Hospital, Gumi, South Korea
| | - Jae Hong Ahn
- Department of Radiology, Gangneung Asan Hospital, Gangneung, South Korea
| | - Dong Erk Goo
- Department of Radiology, Soonchunhyang University Hospital, Gumi, South Korea
| | - Nae Jin Han
- Department of Radiology, Soonchunhyang University Hospital, Gumi, South Korea
| | - Joon Young Ohm
- Department of Radiology, Department of Radiology, Chungnam National University Hosiptal, Daejeon, South Korea
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Min JW, Ohm JY, Shin BS, Lee JW, Park SI, Yoon SH, Shin YS, Park DI, Chung C, Moon JY. The Usefulness of Intensivist-Performed Bedside Drainage of Pleural Effusion via Ultrasound-Guided Pigtail Catheter. Korean J Crit Care Med 2014. [DOI: 10.4266/kjccm.2014.29.3.177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- Joo-Won Min
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Myongji Hospital, Goyang, Korea
| | - Joon Young Ohm
- Department of Radiology, Chungnam National University College of Medicine, Daejeon, Korea
| | - Byung Seok Shin
- Department of Radiology, Chungnam National University College of Medicine, Daejeon, Korea
| | - Jun Wan Lee
- Emergency Intensive Units, Daejeon Regional Emergency Center, Chungnam National University College of Medicine, Daejeon, Korea
| | - Sang-Il Park
- Department of Anesthesiology and Pain Medicine, Chungnam National University College of Medicine, Daejeon, Korea
| | - Seok Hwa Yoon
- Department of Anesthesiology and Pain Medicine, Chungnam National University College of Medicine, Daejeon, Korea
| | - Yong Sup Shin
- Department of Anesthesiology and Pain Medicine, Chungnam National University College of Medicine, Daejeon, Korea
| | - Dong-Il Park
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Korea
| | - Chaeuk Chung
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Korea
| | - Jae Young Moon
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Korea
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Oh JS, Lee HG, Chun HJ, Choi BG, Lee SH, Hahn ST, Ohm JY. Percutaneous management of postoperative duodenal stump leakage with foley catheter. Cardiovasc Intervent Radiol 2013; 36:1344-9. [PMID: 23483281 DOI: 10.1007/s00270-012-0518-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2012] [Accepted: 10/21/2012] [Indexed: 11/29/2022]
Abstract
PURPOSE This study was designed to evaluate retrospectively the safety and efficacy of the percutaneous management of duodenal stump leakage with a Foley catheter after subtotal gastrectomy. METHODS Ten consecutive patients (M:F = 9:1, median age: 64 years) were included in this retrospective study. The duodenal stump leakages were diagnosed in all the patients within a median of 10 days (range, 6-20). At first, the patients underwent percutaneous drainage on the day of or the day after confirmation of the presence of duodenal stump leakage, and then the Foley catheters were replaced at a median of 9 days (range, 6-38) after the percutaneous drainage. RESULTS Foley catheters were placed successfully in the duodenal lumen of all the patients under a fluoroscopic guide. No complication was observed during and after the procedures in all the patients. All of the patients started a regular diet 1 day after the Foley catheter placement. The patients were discharged at a median of 7 days (range, 5-14) after the Foley catheter placement. The catheters were removed in an outpatient clinic 10-58 days (median, 28) after the Foley catheter placement. CONCLUSIONS Fluoroscopy-guided percutaneous Foley catheter placement may be a safe and effective treatment option for postoperative duodenal stump leakage and may allow for shorter hospital stays, earlier oral intake, and more effective control of leakage sites.
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Affiliation(s)
- Jung Suk Oh
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 137-040, Republic of Korea,
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Lee YJ, Shin BS, Lee IH, Ohm JY, Lee BS, Ahn M, Kim HJ. Intrahepatic portosystemic venous shunt: successful embolization using the Amplatzer Vascular Plug II. Korean J Radiol 2012; 13:827-31. [PMID: 23118586 PMCID: PMC3484308 DOI: 10.3348/kjr.2012.13.6.827] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2011] [Accepted: 02/13/2012] [Indexed: 11/24/2022] Open
Abstract
A 67-year-old woman presented with memory impairment and behavioral changes. Brain MRI indicated hepatic encephalopathy. Abdominal CT scans revealed an intrahepatic portosystemic venous shunt that consisted of two shunt tracts to the aneurysmal sac that communicated directly with the right hepatic vein. The large tract was successfully occluded by embolization using the newly available AMPLATZERTM Vascular Plug II and the small tract was occluded by using coils. The patient's symptoms disappeared after shunt closure and she remained free of recurrence at the 3-month follow-up evaluation.
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Affiliation(s)
- Young-ju Lee
- Department of Radiology, Chungnam National University Hospital, Chungnam National University College of Medicine, Daejeon 301-721, Korea
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