Transcatheter Arterial Embolization for Primary Postpartum Hemorrhage: Predictive Factors of Need for Embolic Material Conversion of Gelatin Sponge Particles to N-Butyl Cyanoacrylate
Yukichi TanahashiSatoshi GoshimaHiroshi KondoTomohiro AndoYoshifumi NodaHiroshi KawadaNobuyuki KawaiJ. KotokuShigeru FuruiMasayuki Matsuo
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Arterial embolization was performed in ten skeletal metastases occurring in nine patients: eight patients presented with renal cell carcinoma and one with bronchogenic carcinoma. Five metastatic lesions were located in the spine, one in the pelvis, three in the proximal humerus and one in the proximal femur. Selective arterial embolization was performed preoperatively in seven cases and as a palliative treatment in three cases. The embolic material used was polyvinyl alcohol particles, gelatin sponge and coils or a combination of these. Arterial embolization was technically successful in all patients achieving subtotal (> 90%) tumour devascularization in five metastases and a 75% devascularization in the remaining five lesions. In operative patients, median intra-operative volume of blood transfusion was 510 mL. Palliative embolization was followed by major pain relief in two cases and moderate relief in one case lasting from 7 to 26 months. Arterial embolization is an effective and safe adjunctive treatment of hypervascular bone metastases.
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Objective To evaluate the clinical effect of super-selective bronchial artery embolization in the treatment of massive hemoptysis.Methods 52 patients with massive hemoptysis were treated with selective bronchial artery embolization with gelatin sponge particles,gelatin sponge,or combination with steel coils.All patients were followed up for 3 ～ 12 months to observe the recurrence of hemoptysis and complications after bronchial artery embolization.Results All patients were successfully undergone super-selective bronchial artery embolization,and the symptoms gradually disappeared within one week.There were 6 cases of recurrence of hemoptysis 6 ～ 10 months after the bronchial artery embolization,and no serious complications occurred after the embolization.Conclusion The super-selective bronchial artery embolization is a safe and effective method in the treatment of massive hemoptysis.
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We report ultrasound‐guided direct percutaneous injection of n‐butyl cyanoacrylate for preoperative embolization of carotid body tumor in a 50‐year‐old patient. Angiographic road map assistance was used for protection of parent arteries during the injection. After embolization, complete devascularization of the tumor was achieved without complications. The tumor was removed surgically with minimal blood loss. This procedure is effective and promising for preoperative embolization of carotid body tumors.
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The role of embolization in the management of brain arteriovenous malformations remains controversial. The benefits of embolization alone are not clear and surgical removal may be technically difficult or impossible in many cases. In an attempt to facilitate surgical removal, we performed preoperative embolization in 15 cases using a mixture of isobutyl-2 cyanoacrylate and glacial acetic acid. In one case, a mixture of polyvinyl alcohol particles, microfibrillar collagen, and 30% ethanol was used. In 10 of these cases the surgeon felt that the embolization significantly aided the operative removal by decreasing blood loss, reducing the size of draining veins, and removing portions of the nidus itself. In no patient did the embolization result in an unanticipated significant neurologic deficit. The major role for embolization in the management of brain arteriovenous malformations may be as an aid to surgical removal.
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No AccessJournal of Urology1 May 1979Transcatheter Arterial Embolization in Urological Tumors: The Use of Isobutyl-2-Cyanoacrylate Luciano Giuliani, Giorgio Carmignani, Emanuele Belgrano, and Paolo Puppo Luciano GiulianiLuciano Giuliani More articles by this author , Giorgio CarmignaniGiorgio Carmignani Current address: Clinica Urologica Universita, Viale Benedetto XV, 16132 Genova, Italy. More articles by this author , Emanuele BelgranoEmanuele Belgrano More articles by this author , and Paolo PuppoPaolo Puppo More articles by this author View All Author Informationhttps://doi.org/10.1016/S0022-5347(17)56913-XAboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Transcatheter arterial embolization is a useful technique to manage urological tumors. Herein we describe a new embolic material (isobutyl-2-cyanoacrylate) in 5 cases of renal cancer embolization and in 1 case of bilateral hypogastric embolization for bladder cancer hemorrhage. Isobutyl-2-cyanoacrylate provides a complete, distal and irreversible embolization, making it suitable material in cancer embolization. © 1979 by The American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetailsCited ByKato T, Nemoto R, Mori H, Takahashi M and Tamakawa Y (2018) Transcatheter Arterial Chemoembolization of Renal Cell Carcinoma with Microencapsulated Mitomycin CJournal of Urology, VOL. 125, NO. 1, (19-24), Online publication date: 1-Jan-1981.Carmignani G, Belgrano E, Puppo P, Cichero A and Giuliani L (2018) Transcatheter Embolization of the Hypogastric Arteries in Cases of Bladder Hemorrhage from Advanced Pelvic Cancers: Followup in 9 CasesJournal of Urology, VOL. 124, NO. 2, (196-200), Online publication date: 1-Aug-1980. Volume 121Issue 5May 1979Page: 630-634 Advertisement Copyright & Permissions© 1979 by The American Urological Association Education and Research, Inc.MetricsAuthor Information Luciano Giuliani More articles by this author Giorgio Carmignani Current address: Clinica Urologica Universita, Viale Benedetto XV, 16132 Genova, Italy. More articles by this author Emanuele Belgrano More articles by this author Paolo Puppo More articles by this author Expand All Advertisement Loading ...
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Objective To probe into incidence and risk factors of complications of brain arteriovenous malformation (AVM) following N-butyl cyanoacrylate (NBCA) embolization. Methods All clinical data and image findings of 469 brain AVM patients who underwent embolization with NBCA were studied retrospectively. The complications and their relation to their angiographic features were summed up. Results The 469 patients accepted totally 1108 endovascular embolization, each with 1~8 times (average 2.3 times). 11 patients developed treatment-related complications, including 4 hemorrhagic and 7 ischemic complications. Of these 11 cases, 2 died, 1 had vegetative state, 1 mild permanent functional deficit and other 7 temporary neurological deficits. Conclusion The patients of brain AVM treated with NBCA embolization have fewer treatment-related complications, but the ones who have high risk of embolization should be treated with special embolization strategies.
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The purpose of this study is to evaluate the efficacy, safety and clinical outcome of lower gastrointestinal bleeding treated by transcatheter arterial embolization. We retrospectively reviewed the patients who underwent transcatheter arterial embolization for lower gastrointestinal bleeding in our hospital from January 2006 to November 2016. We reviewed the characteristics of patients, bleeding location, etiology, details of embolization and clinical outcomes on medical records. Totally, we enrolled 29 patients in this study. These patents had more medical comorbidities and were not suitable for invasive surgical intervention, so they received transcatheter arterial embolization to treat lower gastrointestinal bleeding. There were six patients with early recurrent bleeding and two patient with bowel ischemia after embolization. Two patients with local recurrent bleeding underwent secondary embolization for recurrent bleeding and the bleeding was stopped successfully. The total clinical success rate was 86.2%. Transcatheter arterial embolization was effective and safe to treat lower gastrointestinal bleeding for non-surgical candidate. Embolization should be performed as distally as possible, but superselective embolization of vasa recta still carried risk of post-embolization bowel ischemia. Intensive observation after embolization was necessary to detect post-embolization bowel ischemia and recurrent bleeding.
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Endovascular aneurysm repair (EVAR) has become an accepted alternative to open aortic aneurysm repair. Endoleaks are one of the most common complications of EVAR and can result in aneurysm enlargement and rupture. When embolization of type 2 endoleaks is needed, a transarterial or translumbar approach may be used. Metal coils are often utilized, but liquid agents have also been used for embolization. This case report involves endoleak embolization using metallic coils along with the liquid embolic agent n-butyl cyanoacrylate (n-BCA).
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Objective To explore the different embolic agents' influences on short-term curative effect in treating hemoptysis by bronchial artery embolization.Methods The subjects were 46 cases of hemoptysis and they were treated by bronchial artery embolization. Before the embolization,angiography was conducted. They were grouped based on whether there existed some lesions that were difficult to embolize because of non-bronchial systemic artery,and then they were embolized by PVA particles and gelatin sponge particles respectively.Results The group of gelatin sponge embolization had the effective rate of 78.3%,while PVA particles 82.6%.In statistical tests,the two groups had no significant difference in efficiency. The poor efficacy of all cases occurred in the non-bronchial systemic artery embolization that was not fully conducted.Conclusion The key to the successful treatment for hemoptysis by the interventional therapy is the full embolization of bronchial and non-bron chial systemic artery. It has no significant influence on short-term effect to choose different embolic agents.
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