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Li YC, Yu SY, Kao TC, Ko PJ, Wei WC, Su TW, Wu YJ, Li YS. The clinical outcome of balloon-assisted maturation procedure between autogenous radiocephalic fistula and brachiocephalic fistula in a single center experience. J Vasc Surg 2022; 76:1060-1065. [PMID: 35697313 DOI: 10.1016/j.jvs.2022.04.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 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: 10/28/2021] [Revised: 04/04/2022] [Accepted: 04/10/2022] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Balloon-assisted maturation by an endovascular method plays an important role in treating an immature arteriovenous fistula. However, the results between radiocephalic fistula and brachiocephalic fistula were rarely reported. This retrospective study aimed to investigate the effectiveness and outcome of balloon-assisted maturation in different sites of autogenous arteriovenous fistulas. METHODS This single-center retrospective study included patients who underwent balloon-assisted maturation procedures from January 2015 to December 2016. Of 148 patients, 117 and 31 patients had a radiocephalic fistula and a brachiocephalic fistula, respectively. The primary outcome was balloon-assisted maturation success. Data regarding fistula lesions, balloon types and size, frequency of procedures, and maturation time were collected for balloon-assisted maturations. The secondary outcome was the patency of a fistula in the follow-up period. RESULTS No difference was observed in procedure of balloon-assisted maturation frequency between the radiocephalic and brachiocephalic fistula groups. The total success rate was 77.7%, without significant difference between radiocephalic and brachiocephalic fistula groups (81.20% vs. 64.50%; P=0.055). Within the procedures, the culprit lesion of juxta-anastomosis segment (73.5% vs. 25.5%, P<0.001) and arterial inlet (21.2% vs. 7.8%, P=0.04) were more common in the radiocephalic fistula group, whereas the venous outlet was more common in the brachiocephalic fistula group (88.2% vs. 57.7%, P<0.001). Both groups had an equivalent patency rate after the balloon-assisted maturation within the follow-up period (P=0.272). CONCLUSIONS Balloon-assisted maturation was an effective procedure for immature fistulas, without significant difference between the radiocephalic and brachiocephalic fistulas. Through the procedure, the culprit lesions causing non-maturation were found to be different between the two groups. The patency rate between the two groups after surgery seems to be equivalent within the follow-up period.
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Affiliation(s)
- Ying-Ching Li
- Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan, Taiwan
| | - Sheng-Yueh Yu
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan, Taiwan
| | - Tsung-Chi Kao
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan, Taiwan
| | - Po-Jen Ko
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan, Taiwan
| | - Wen-Cheng Wei
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan, Taiwan
| | - Ta-Wei Su
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan, Taiwan
| | - Yi-Jen Wu
- Division of Thoracic and Cardiovascular Surgery, Department of Nursing, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan, Taiwan
| | - Ying-Sheng Li
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, Taoyuan, Taiwan.
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Wei WC, Hsin CH, Yang HT, Su TW, Su IH, Chu SY, Ko PJ, Yu SY, Lee CH. Clinical outcomes of AngioJet rheolytic thrombectomy in the treatment of May-Thurner syndrome-related deep venous thrombosis. J Int Med Res 2022; 50:3000605221100134. [PMID: 35650686 PMCID: PMC9168862 DOI: 10.1177/03000605221100134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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] [Indexed: 11/17/2022] Open
Abstract
Objective May–Thurner syndrome (MTS) is an anatomic stenotic variation associated with
deep vein thrombosis (DVT) of the left leg. The classical DVT treatment
strategy is medical treatment without thrombus removal. This study was
performed to assess the clinical outcomes of the combination of AngioJet™
rheolytic thrombectomy and stenting for treatment of MTS-related DVT. Methods We conducted a retrospective cohort study of patients treated for MTS-related
DVT from January 2017 to June 2020 at a single institution. Results Fourteen patients (nine women) underwent AngioJet™ rheolytic thrombectomy for
MTS-related DVT during the study period. The median DVT onset time was 8
days (interquartile range (IQR), 3–21 days). The median procedure time was
130 minutes (IQR, 91–189 minutes), and the median hospital stay was 7 days
(IQR, 5–26 days). One patient had a residual thrombus and occluded iliac
stent and underwent adjuvant catheter-directed thrombolysis for
revascularization. The primary patency rate for the iliac stent was 92.9% at
12 months. Conclusion Concomitant AngioJet™ rheolytic thrombectomy and stenting of MTS-induced
lesions may be beneficial for patients with MTS-related DVT.
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Affiliation(s)
- Wen-Cheng Wei
- Department of Cardiovascular Surgery, Kang-Ning General Hospital, Taipei, Taiwan
| | - Chun-Hsien Hsin
- Division of Thoracic & Cardiovascular Surgery, Chang Gung Memorial Hospital Linkou Main Branch and Chang Gung University, Taoyuan, Taiwan
| | - Hsuan-Tzu Yang
- Division of Thoracic & Cardiovascular Surgery, Chang Gung Memorial Hospital Linkou Main Branch and Chang Gung University, Taoyuan, Taiwan
| | - Ta-Wei Su
- Division of Thoracic & Cardiovascular Surgery, Chang Gung Memorial Hospital Linkou Main Branch and Chang Gung University, Taoyuan, Taiwan
| | - I-Hao Su
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital Linkou Main Branch and Chang Gung University, Taoyuan, Taiwan
| | - Sung-Yu Chu
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital Linkou Main Branch and Chang Gung University, Taoyuan, Taiwan
| | - Po-Jen Ko
- Division of Thoracic & Cardiovascular Surgery, Chang Gung Memorial Hospital Linkou Main Branch and Chang Gung University, Taoyuan, Taiwan
| | - Sheng-Yueh Yu
- Division of Thoracic & Cardiovascular Surgery, Chang Gung Memorial Hospital Linkou Main Branch and Chang Gung University, Taoyuan, Taiwan
| | - Chun-Hui Lee
- Department of Anesthesiology, Chang Gung Memorial Hospital Linkou Main Branch and Chang Gung University, Taoyuan, Taiwan
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Wu HC, Hu QR, Luo T, Wei WC, Wu HJ, Li J, Zheng LF, Xu QY, Deng ZY, Chen F. The immunomodulatory effects of ginsenoside derivative Rh2-O on splenic lymphocytes in H22 tumor-bearing mice is partially mediated by TLR4. Int Immunopharmacol 2021; 101:108316. [PMID: 34768129 DOI: 10.1016/j.intimp.2021.108316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 06/28/2021] [Revised: 10/20/2021] [Accepted: 10/25/2021] [Indexed: 12/11/2022]
Abstract
PURPOSE Previously, we reported the octyl ester derivative of ginsenoside Rh2 (Rh2-O) had better antitumor and immunomodulatory effects than Rh2 in H22 tumor-bearing mice. Therefore, this study further explored the effects of Rh2-O on splenic lymphocytes in H22 tumor-bearing mice and the underlying mechanism. METHODS Wild type and Tlr4-/- mice were selected to establish the H22 tumor-bearing mice model. After the treatment of Rh2-O (10 mg/kg by gavage) for 15 days, the sizes of tumor were measured. Subsequently, the splenic lymphocytes were isolated and the activities (eg. cell proliferation, cytotoxicity and cytokine secretion) were evaluated. Then, the proteins and mRNA expression levels of TRAF6 and NF-ĸB p65 in splenic lymphocytes were examined. RESULTS The results showed that Rh2-O administration enhanced the proliferative capacity and cytotoxicity of splenic lymphocytes, and the effects were Tlr4-associated. Compared to WT mice, the up-regulation of cytokines secretion (eg. IFN-γ, IL-2 and IL-4) in isolated splenic lymphocytes after Rh2-O administration was lower in Tlr4-/- mice. Moreover, the results showed Rh2-O increased the expression of TRAF6 and the level of endonuclear NF-ĸB p65, which was inhibited in Tlr4-/- mice (P < 0.05). CONCLUSION Rh2-O could exert immunomodulatory effects on splenic lymphocytes with the partial participation of TLR4 in H22 tumor-bearing mice.
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Affiliation(s)
- Han-Cheng Wu
- Jiangxi Provincial Key Laboratory of Preventive Medicine, School of Public Health, Nanchang University, Nanchang, Jiangxi 330006, China
| | - Qi-Rui Hu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Ting Luo
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Wen-Cheng Wei
- Jiangxi Provincial Key Laboratory of Preventive Medicine, School of Public Health, Nanchang University, Nanchang, Jiangxi 330006, China
| | - Hui-Juan Wu
- Jiangxi Provincial Key Laboratory of Preventive Medicine, School of Public Health, Nanchang University, Nanchang, Jiangxi 330006, China
| | - Jing Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Liu-Feng Zheng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Qun-Ying Xu
- Jiangxi Provincial Key Laboratory of Preventive Medicine, School of Public Health, Nanchang University, Nanchang, Jiangxi 330006, China
| | - Ze-Yuan Deng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Fang Chen
- Jiangxi Provincial Key Laboratory of Preventive Medicine, School of Public Health, Nanchang University, Nanchang, Jiangxi 330006, China.
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Li YS, Ko PJ, Hsieh HC, Su TW, Wei WC. Elevation transposition method for superficialization of the basilic vein achieves better patency rate than tunnel transposition. Ann Vasc Surg 2021; 80:113-119. [PMID: 34687887 DOI: 10.1016/j.avsg.2021.08.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 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: 03/21/2021] [Revised: 07/17/2021] [Accepted: 08/03/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To compare the tunnel transposition and elevation transposition methods used for superficialization of the basilic vein in terms of complication and patency rates. METHODS This retrospective study included patients who underwent two-stage basilic vein transposition between August 2016 and December 2019. Patients were categorized into brachial-basilic fistula tunnel transposition (n=32) and elevation transposition (n=21) groups using medical records. Primary patency was defined as a conduit that remains patent without any re-intervention to maintain patency. Primary assisted patency was defined as a conduit that has undergone intervention to maintain patency but has never been thrombosed. RESULTS The distribution of baseline characteristics was similar between the two groups. Coronary artery disease was the only variable that was significantly different between the tunnel transposition and elevation transposition groups (31.1% vs. 4.8%, p=.035). The tunnel transposition group had a greater amount of blood loss (p<.001) and a longer period of hospitalization (p=.002) than the elevation transposition group. The rates of suture repair to stop bleeding from the conduit was significantly different between the tunnel transposition and elevation transposition groups (31.8% vs. 4.8%, p=.035), whereas those of other complications were not significantly different. The elevation transposition group had a significantly higher primary patency rate than the tunneled transposition group (p=.033); however, primary assisted patency was achieved in all patients (100%) in both groups. CONCLUSION Elevation transposition might be a more reliable method than tunnel transposition for superficialization of a basilic venous fistula.
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Affiliation(s)
- Ying-Sheng Li
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, No. 5, Fuxing Street, Guishan District, Taoyuan 333, Taiwan.
| | - Po-Jen Ko
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, No. 5, Fuxing Street, Guishan District, Taoyuan 333, Taiwan
| | - Hung-Chang Hsieh
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, No. 5, Fuxing Street, Guishan District, Taoyuan 333, Taiwan
| | - Ta-Wei Su
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, No. 5, Fuxing Street, Guishan District, Taoyuan 333, Taiwan
| | - Wen-Cheng Wei
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital at Linkou, Chang Gung University, No. 5, Fuxing Street, Guishan District, Taoyuan 333, Taiwan
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Lee YH, Su TW, Su IH, Yu SY, Hsu MY, Hsin CH, Wei WC, Chu SY, Tseng JH, Ko PJ. Comparison between Totally Percutaneous Approach and Femoral Artery Cut-Down in Endovascular Aortic Repair of Ruptured Abdominal Aortic Aneurysms in a Single Hospital. Ann Vasc Surg 2021; 74:141-147. [PMID: 33508462 DOI: 10.1016/j.avsg.2020.12.020] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 12/08/2020] [Accepted: 12/13/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE To evaluate the short-term outcome of totally percutaneous endovascular aortic repair (pEVAR) of ruptured abdominal aortic aneurysms (AAAs) compared with femoral cut-down endovascular aortic repair (cEVAR). MATERIALS AND METHODS The medical records of patients with ruptured AAAs that underwent EVAR between March 2010 and April 2017 were retrospectively reviewed. Demographic information, preoperative vital signs, preoperative laboratory data, method of anesthesia, procedure duration, aneurysm morphology, brand of device used, length of hospital stay, access complications, and short-term outcomes were recorded. Univariate as well as multivariate logistic regression was used to identify predictors of 30-day mortality. RESULTS Among 77 patients with ruptured AAAs, 17 (22.1%) received cEVAR and 60 (77.9%) received pEVAR. Significant differences in the procedure time (P = 0.004), method of anesthesia (P = 0.040), and 30-day mortality (P = 0.037) were detected between the cEVAR and pEVAR groups. Local anesthesia plus intravenous general anesthesia (odds ratio = 0.141, P = 0.018) was an independent factor associated with 30-day mortality and local anesthesia was better than general anesthesia for 24-hr mortality (P = 0.001) and 30-day mortality (P = 0.003). CONCLUSION In patients with ruptured AAAs, pEVAR procedures took less time than cEVAR procedures, but the length of hospital stay did not differ significantly. The 30-day mortality rate was lower with pEVAR than with cEVAR. Local anesthesia may be the key factor in EVAR to improved technical and clinical success.
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Affiliation(s)
- Yu-Hsien Lee
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - Ta-Wei Su
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - I-Hao Su
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - Sheng-Yueh Yu
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - Ming-Yi Hsu
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - Chun-Hsien Hsin
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - Wen-Cheng Wei
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan.
| | - Sung-Yu Chu
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - Jeng-Hwei Tseng
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - Po-Jen Ko
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
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Li YS, Feng PC, Ko PJ, Wei W, Yu SY, Kao TC, Hsin CH, Su TW. Total Resection of Infected Peripheral Hemodialysis Grafts Has a Favorable Impact on Outcomes. Ann Vasc Surg 2020; 71:200-207. [PMID: 32768531 DOI: 10.1016/j.avsg.2020.07.027] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 07/02/2020] [Accepted: 07/07/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND Surgical resection could be an eradication treatment for patients with infected hemodialysis arteriovenous grafts (AVGs). This study aimed to investigate the outcomes of 3 surgical methods, including total resection, subtotal resection, and revision. METHODS The patients who underwent surgical excision of infected AVGs performed at a single center from August 2012 to March 2019 were retrospectively analyzed. The following 3 surgical methods were used in our study: revision, subtotal resection, and total resection. Patients' demographics, medical history, perioperative details, reconstruction time, and follow-up data were collected. The outcomes including perioperative complications (within 30 days), mortality, reinfection rate of AVGs, with new access reconstruction or not, and the outcomes between reconstruction and nonreconstruction in the follow-up period were evaluated. RESULTS Forty-one patients had infected AVGs in our study. Patients' mean age was 62 years, and 65.9% of the patients were female. The mean duration from the time of diagnosis to the operation was 14.4 days. Signs and symptoms at presentation included fever (51.2 %), swelling (43.9%), pain (58.5%), erythematous change (92.7%), and more severe features, such as altered consciousness (14.6%) and hypotension (12.2%). The pathological changes in the infected grafts included bleeding (29.3%), pus formation (73.2%), pseudoaneurysm (26.8%), and graft exposure (17.1%). Wound and graft cultures revealed an infectious etiology with fungi (7.3%), Pseudomonas aeruginosa (12.2%), Enterococcus spp. (2.4%), and Staphylococcus spp. (58.5%), with methicillin-resistant Staphylococcus aureus accounting for only 7.3%. Total resection, subtotal resection, and revision surgery were performed in 17.1%, 63.4%, and 19.5% of patients, respectively. Seven patients with complications required reoperation (17.1%), and adhesion ileus and hospital-acquired pneumonia occurred in only 2.4% and 7.3% of patients, respectively. During follow-up, most patients (82.9%) had reconstruction of the peripheral hemodialysis access with mean time of 64.3 (range: 21-92) days; mean time of use of new access was 90.5 days; and mean time of removal of catheter was about 106.3 days. Mortality rates in patients without and with reconstructed AV access during follow-up were 50% and 18%, respectively (P < 0.004). Eight cases (19.5%) had recurrence of AV access infections during follow-up; of these, 2 had revision surgery and 6 had subtotal resection. However, no patient with total resection had recurrent infections. CONCLUSIONS The total resection group had no recurrent infection compared to the subtotal and revision groups. In addition, patients with reconstruction of peripheral hemodialysis access had a low mortality rate during the follow-up period.
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Affiliation(s)
- Ying-Sheng Li
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - Pin-Chao Feng
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - Po-Jen Ko
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - WenCheng Wei
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - Sheng-Yueh Yu
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - Tsung-Chi Kao
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - Chun-Hsien Hsin
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - Ta-Wei Su
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Linkou Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan.
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Lee YH, Wei WC, Chen CM, Su TW, Chu SY, Ko PJ. Iatrogenic Ureteral Injury Following Percutaneous Transabdominal Direct Sac Puncture for the Treatment of Type II Endoleak. J Vasc Interv Radiol 2020; 31:861-864. [PMID: 32305240 DOI: 10.1016/j.jvir.2020.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 11/18/2022] Open
Affiliation(s)
- Yu-Hsien Lee
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - Wen-Cheng Wei
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chang Gung University, No.5, Fusing St., Gueishan Township, Taoyuan 333, Linkou, Taiwan
| | - Chien-Ming Chen
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - Ta-Wei Su
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chang Gung University, No.5, Fusing St., Gueishan Township, Taoyuan 333, Linkou, Taiwan
| | - Sung-Yu Chu
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Chang Gung University, Linkou, Taiwan
| | - Po-Jen Ko
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Chang Gung University, No.5, Fusing St., Gueishan Township, Taoyuan 333, Linkou, Taiwan
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Chieh JJ, Huang KW, Chuang CP, Wei WC, Dong JJ, Lee YY. Immunomagnetic Reduction Assay on Des-Gamma-Carboxy Prothrombin for Screening of Hepatocellular Carcinoma. IEEE Trans Biomed Eng 2015; 63:1681-6. [PMID: 26415145 DOI: 10.1109/tbme.2015.2478845] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The accredited biomarker alpha-fetoprotein (AFP) offers limited sensitivity and specificity in the early detection of hepatocellular carcinoma (HCC). To improve the screening performance, des-gamma-carboxy prothrombin (DCP) has been identified as another promising biomarker of HCC, combined with AFP biomarkers. The results of the commercial optical enzyme-linked immunosorbent assay (ELISA) kit easily have the interference problem due to the optical methodology. The immunomagnetic reduction (IMR) assay based on the magnetic measurement was utilized to assay DCP biomarkers without the excellent antiinterference performances. A DCP magnetic reagent, composed of iron-oxide (Fe3O4 ) magnetic nanoparticles coated with anti-DCP antibodies solved in phosphoryl-buffer solution, was synthesized and characterized. In the test of standard DCP antigens, superior antiinterference and sensitivity than optical ELISA were proved. In the animal test, the results indicate good agreement between the IMR assay findings and the tumor sizes of HCC rats at all time points after the HCC implantation. The feasibility of the developed DCP magnetic reagent with the IMR for the detection of DCP is verified, and demonstrates the high potential for future clinical applications.
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Wei WC, Wu CY, Wu CF, Fu JY, Su TW, Yu SY, Kao TC, Ko PJ. The Treatment Results of a Standard Algorithm for Choosing the Best Entry Vessel for Intravenous Port Implantation. Medicine (Baltimore) 2015; 94:e1381. [PMID: 26287429 PMCID: PMC4616437 DOI: 10.1097/md.0000000000001381] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Vascular cutdown and echo guide puncture methods have its own limitations under certain conditions. There was no available algorithm for choosing entry vessel. A standard algorithm was introduced to help choose the entry vessel location according to our clinical experience and review of the literature. The goal of this study is to analyze the treatment results of the standard algorithm used to choose the entry vessel for intravenous port implantation.During the period between March 2012 and March 2013, 507 patients who received intravenous port implantation due to advanced chemotherapy were included into this study. Choice of entry vessel was according to standard algorithm. All clinical characteristic factors were collected and complication rate and incidence were further analyzed.Compared with our clinical experience in 2006, procedure-related complication rate declined from 1.09% to 0.4%, whereas the late complication rate decreased from 19.97% to 3.55%. No more pneumothorax, hematoma, catheter kinking, fractures, and pocket erosion were identified after using the standard algorithm. In alive oncology patients, 98% implanted port could serve a functional vascular access to fit therapeutic needs.This standard algorithm for choosing the best entry vessel is a simple guideline that is easy to follow. The algorithm has excellent efficiency and can minimize complication rates and incidence.
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Affiliation(s)
- Wen-Cheng Wei
- From the Department of Surgery, Division of Thoracic and Cardiovascular Surgery (W-CW, C-YW, C-FW, T-WS, S-YY, T-CK, P-JK); and Department of Internal Medicine, Division of Chest and Critical Care, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan (J-YF)
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Wei WC, Yang MH. Determination of phosphorus and arsenic in trichlorosilane by electrothermal vaporization-inductively coupled plasma mass spectrometry with prior concentration by cuprous chloride. Anal Bioanal Chem 1995; 353:167-70. [PMID: 15048533 DOI: 10.1007/s0021653530167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/1994] [Revised: 01/23/1995] [Accepted: 01/23/1995] [Indexed: 10/26/2022]
Abstract
A method for the determination of trace impurities of phosphorus and arsenic in trichlorosilane with prior separation followed by electrothermal vaporization inductively coupled plasma mass spectrometry (ETV-ICP-MS) has been developed. The preconcentration of the analytes from the sample matrix was made by adding cuprous chloride to a 10 mL trichlorosilane sample for the formation of non-volatile compounds with the elements of interest. Upon evaporation of trichlorosilane, the analytes retained in the residue were then determined in the presence of copper as modifier by ETV-ICP-MS. The dual role of cuprous chloride both in the preconcentration and instrumental determination was investigated and discussed. By meticulous control of experimental conditions, limits of detection for these two elements as low as sub-ng/g can be achieved. The method was applied to the determination of phosphorus and arsenic in a commercially available trichlorosilane sample.
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Affiliation(s)
- W C Wei
- Institute of Nuclear Science, National Tsing Hua University, Kuang-Fu Road, 30043, Hsinchu, Taiwan
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Abstract
The records of 161 patients were reviewed to determine if radiation damage had occurred following cranial irradiation. All of these patients had received alpha-particle radiation to their pituitary glands during the period when this form of therapy was given for diabetic retinopathy. Extraocular muscle palsy developed in 11 of these patients, iridoplegia in six, and fifth nerve damage in six. All of the palsies developed within a short period following their irradiation, and a definite dose relationship was present. The dose rate was approximately 100 rads/min for all cases. Fractionation varied but it is known for all cases. The estimated doses to the third, fourth, fifth, and sixth cranial nerves was calculated at a saggital plane 13 to 15 mm from the pituitary by using computer-drawn dosimetry charts for the respective aperture size. The energetic alpha particles were produced by the 184-in synchrocyclotron at Berkeley, Calif. A dose relationship for radiation palsies was apparent.
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