Transcatheter arterial embolization using n-butyl cyanoacrylate-Lipiodol mixture and metallic coils in a patient with biliary hemorrhage after removing a bile duct metallic stent: a case description.
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ABSTRACT:
SUBMITTER: Higashino N
PROVIDER: S-EPMC9403594 | biostudies-literature | 2022 Sep
REPOSITORIES: biostudies-literature
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Transcatheter arterial embolization using n-butyl cyanoacrylate-Lipiodol mixture and metallic coils in a patient with biliary hemorrhage after removing a bile duct metallic stent: a case description.
Higashino Nobuyuki N Sonomura Tetsuo T Okuhira Ryuta R Ikoma Akira A Taniguchi Naoki N Fukuda Kodai K Tanaka Ryota R Kamisako Atsufumi A Koyama Takao T Sato Hirotatsu H Kawai Nobuyuki N Minamiguchi Hiroki H
Quantitative imaging in medicine and surgery 20220901 9
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Project description:This report is of a systematic review and meta-analysis evaluating the efficacy and safety of transcatheter arterial embolization (TAE) for nonvariceal gastrointestinal bleeding (GIB) with n-butyl cyanoacrylate (NBCA) or coils as the primary embolic agent. The primary outcome was the clinical success rate. The secondary outcomes were technical success rates, 30-day rebleeding rates, major complication rates, and 30-day overall mortality rates. A systematic search was performed in PubMed, Embase, and Cochrane Library. Articles included had been published in English from January 2000 to August 2023 and assessed patients with nonvariceal upper and lower GIB (UGIB and LGIB) who received TAE with NBCA or coils. Single-arm meta-analyses were performed for these outcomes. Subgroup analyses comparing NBCA and coils were conducted if there were more than 10 articles selected for each outcome. Thirty-seven articles were selected for analysis. The pooled rates of TAE for UGIB and LGIB were clinical success 73.0% and 76.5%, technical success 94.9% and 91.4%, 30-day rebleeding 25.0% and 17.1%, major complications 3.5% and 10.0%, and 30-day overall mortality 20.7% and 11.4%, respectively. The subgroup analysis showed a significant difference only for the technical success rates of LGIB between NBCA and the coils (p < 0.001). The systematic review and meta-analysis indicate that TAE with NBCA or coils as the primary embolic agent is safe and effective for both UGIB and LGIB.
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Project description:ObjectiveTo show the effective and successful technical approach of percutaneous embolization for persistent urine leakage that occurred after orthotopic neobladder formation.Materials and methodsWe retrospectively reviewed patients who underwent percutaneous embolization of N-butyl cyanoacrylate (NBCA) and lipiodol mixture after orthotopic neobladder formation at the Seoul National University Hospital (Seoul, Korea) from 1 January 2018 to 31 December 2020.ResultsAmong total of 182 patients of neobladder formation, five patients (four males and one female) were enrolled in this study, and their median age was 61.0 years (interquartile range (IQR): 42.5-69.5 years). All the patients showed persistent urine leakage at the neobladder-urethral anastomosis site and percutaneous drainage was primarily performed. The median time to perform percutaneous embolization was 40 days (IQR: 31.5-71.5 days) postoperatively. Elective two-staged embolization was performed in three cases for large diameter with a large fluid-filled cavity, while re-embolization was needed for delayed recurrence of urine leakage in two cases. Complete resolution of urine leakage was seen in all the cases and the median time to leakage closure was 55 days (IQR: 27.5-82.5 days). The median follow-up period after leakage closure was 26 months (IQR: 15.5-36.4 months), and embolization material-related bladder stone was a noticeable complication (two cases) during follow-up, which was removed endoscopically within 1 year after embolization. All patients' quality of life (EQ-5D-5L score) was well-maintained during the entire period.ConclusionsPersistent urine leakage after neobladder formation can be effectively managed with percutaneous embolization of "dumbbell technique" by reinforcing the closure of leakage tract from inner opening to the outer opening even for large diameter (>1 cm).
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Project description:Although it is widely accepted that uterine artery embolization (UAE) is an effective therapeutic strategy for postpartum hemorrhage (PPH), no consensus has been reached regarding the efficacy of UAE in patients with PPH with disseminated intravascular coagulation (DIC). This single-center retrospective cohort study included patients treated with UAE using NBCA for PPH between 2010 and 2015. The patients were divided into DIC and non-DIC groups, according to the obstetrical DIC score and the overt DIC diagnostic criteria issued by the International Society of Thrombosis and Haemostasis (ISTH), and their clinical outcomes were compared. There were 28 patients treated with UAE using NBCA. Complete hemostasis was achieved by UAE in 19 of 28 patients. In eight of nine patients with unsuccessful hemostasis, surgical hemostatic interventions were performed after UAE, and hemostasis was achieved in seven patients. UAE using NBCA showed no significant intergroup differences in complete hemostasis according to the presence or absence of DIC based on obstetrical DIC score (70% versus 62.5%, P = 1.000) or ISTH DIC score (54.5% versus 76.5%, P = 0.409). UAE using NBCA may be a useful first-choice treatment for PPH with DIC.
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Project description:N-butyl cyanoacrylate (NBCA) is a liquid monomer that undergoes an exothermic polymerization reaction to form a solid upon initiation with hydroxyl anions. Recently, EGpresto, a highly viscous NBCA-based adhesive, has been developed for vascular-occlusion purposes. In this study, we investigated the heat of polymerization of EGpresto and compared the results with those of a low-viscosity NBCA glue. Results show that EGpresto exhibited a lower heat of polymerization (64 ± 7 °C vs. 34 ± 1 °C). This was due to its high viscosity, which resulted in a delayed polymerization time. To investigate the efficacy and safety of EGpresto for intravenous embolization, a 14 d in vivo animal test was conducted using three pigs. Five cc of EGpresto was injected into the epigastric vein of each animal. Complete postoperative vein occlusion was confirmed at 7 and 14 d by ultrasonographic visualization. After the animals were sacrificed, the operated and unoperated veins were exposed, and the injected adhesive was found without migration. During the histology, the injected adhesive was not found in the inner or outer vein walls, and the immune reactions seemed to be the only foreign-body reaction, showing that EGpresto is a non-toxic and safe intravascular embolic agent.
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Project description:PurposeTo examine if the addition of a central vascular plug (CVP) to portal vein embolization (PVE) with N-butyl cyanoacrylate-glue (NBCA) increases future liver remnant (FLR) growth.Material and methodsThis is a single-center retrospective study of 115 consecutive patients with colorectal liver metastases undergoing PVE in 2013-2019. All patients were embolized with NBCA as the main embolic agent. In 2017-2019 NBCA was combined with a CVP in the central part of the right portal vein. Growth of the FLR and standardized FLR (sFLR) including degree of hypertrophy (DH) and kinetic growth rate (KGR) were analyzed, as well as procedure data such as use of cone-beam CT (CBCT), dose area product (DAP), fluoroscopy time and contrast dose.ResultsA total of 40 patients (35%) underwent PVE with a combination of CVP and NBCA. The DH was higher in these patients after 4 weeks, mean 13.6% (SD 7.8) vs. 10.5% (SD 6.4; p = 0.022), verified in multivariate analysis (coefficient 4.1, p = 0.015). A CVP did not significantly increase the resection rate (90% vs 82%, p = 0.4). Cone beam CT was used in 65 patients (57%). Use of CBCT did not affect FLR growth, and fluoroscopy time and contrast doses were not different in patients having a CBCT or not. Slightly lower DAP (median 3375 vs. 4499 cGy*cm2; p = 0.09) was seen in procedures where CBCT was used.ConclusionA CVP in addition to NBCA embolization was associated with increased growth of the FLR compared to NBCA alone.
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Project description:The inferior mesenteric artery is a rare source of postpartum hemorrhage. We report two cases of primary postpartum hemorrhage that originated from the inferior mesenteric artery after vaginal delivery. Both patients showed signs of hypovolemic shock, and disseminated intravascular coagulation was suspected. The bleeding continued even after embolization of the uterine artery, a typical source of postpartum hemorrhage. Inferior mesenteric arteriography confirmed contrast extravasation from the superior rectal artery, and selective embolization was performed using N-butyl cyanoacrylate. This report highlights that the inferior mesenteric artery can be a source of bleeding in patients with intractable and persistent postpartum hemorrhage due to birth canal injury.
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