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Ai S, Gao Q, Cheng G, Zhong P, Cheng P, Ren Y, Wang H, Zhu X, Guan S, Qu X. Construction of an Injectable Composite Double-Network Hydrogel as a Liquid Embolic Agent. Biomacromolecules 2024; 25:2052-2064. [PMID: 38426456 DOI: 10.1021/acs.biomac.3c01437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Conventional embolists disreputably tend to recanalization arising from the low filling ratio due to their rigidity or instability. As a result, intelligent hydrogels with a tunable modulus may meaningfully improve the therapeutic efficacy. Herein, an injectable composite double-network (CDN) hydrogel with high shear responsibility was prepared as a liquid embolic agent by cross-linking poly(vinyl alcohol) (PVA) and carboxymethyl chitosan (CMC) via dynamic covalent bonding of borate ester and benzoic-imine. A two-dimensional nanosheet, i.e., layered double hydroxide (LDH), was incorporated into the network through physical interactions which led to serious reduction of yield stress for the injection of the hydrogel and the capacity for loading therapeutic agents like indocyanine green (ICG) and doxorubicin (DOX) for the functions of photothermal therapy (PTT) and chemotherapy. The CDN hydrogel could thus be transported through a thin catheter and further in situ strengthened under physiological conditions, like in blood, by secondarily cross-linking with phosphate ions for longer degradation duration and better mechanical property. These characteristics met the requirements of arterial interventional embolization, which was demonstrated by renal embolism operation on rabbits, and meanwhile favored the inhibition of subcutaneous tumor growth on an animal model. Therefore, this work makes a breakthrough in the case of largely reducing the embolism risks, thus affording a novel generation for interventional embolization.
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Affiliation(s)
- Shili Ai
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Qinzong Gao
- Key Laboratory of Carcinogenesis and Translational Research, Peking University Cancer Hospital and Institute, Beijing 100142, China
| | - Gele Cheng
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 101408, China
- Duke Kunshan University, Suzhou, Jiangsu 215316, China
| | - Pengfei Zhong
- Hebei North University, Zhangjiakou, Hebei 075000, China
| | - Peiyu Cheng
- Department of Oncology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing 100010, China
| | - Yingying Ren
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Hao Wang
- Department of Oncology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing 100010, China
| | - Xu Zhu
- Key Laboratory of Carcinogenesis and Translational Research, Peking University Cancer Hospital and Institute, Beijing 100142, China
| | - Shanyue Guan
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Xiaozhong Qu
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 101408, China
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Niekamp A, Sheth RA, Kuban J, Avritscher R, Ganguli S. Palliative Embolization for Refractory Bleeding. Semin Intervent Radiol 2017; 34:387-397. [PMID: 29249863 DOI: 10.1055/s-0037-1608862] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Bleeding is a common and often challenging complication of malignancy. Etiologies of hemorrhage in this patient population vary, and bleeding may present as an acute, life-threatening emergency or a chronic, low-volume blood loss. For patients with advanced malignancies, interventions to manage bleeding must be balanced by the patient's life expectancy and quality of life. As such, minimally invasive procedures such as transarterial embolization are useful therapeutic options in appropriately selected patients. There is a rich history of palliative transarterial embolization for refractory bleeding in cancer patients. This technique was first applied in the 1970s and has since become an established treatment tool for malignancy-related bleeding throughout the body. While the preponderance of published data comprised case reports and small retrospective studies, the use of embolization continues to expand as experience grows and techniques are refined. In this review, we summarize the literature and provide our perspective on embolization for refractory bleeding in cancer patients.
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Affiliation(s)
- Andrew Niekamp
- Department of Interventional Radiology, MD Anderson Cancer Center, Houston, Texas
| | - Rahul A Sheth
- Department of Interventional Radiology, MD Anderson Cancer Center, Houston, Texas
| | - Joshua Kuban
- Department of Interventional Radiology, MD Anderson Cancer Center, Houston, Texas
| | - Rony Avritscher
- Department of Interventional Radiology, MD Anderson Cancer Center, Houston, Texas
| | - Suvranu Ganguli
- Division of Interventional Radiology, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts
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[Obscure gastrointestinal bleeding due to gastrointestinal stromal tumors]. CIR CIR 2016; 85:214-219. [PMID: 27855991 DOI: 10.1016/j.circir.2016.09.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 09/08/2016] [Indexed: 01/18/2023]
Abstract
BACKGROUND The gastrointestinal stromal tumours (GIST) are the most common soft tissue sarcomas of the digestive tract. They are usually found in the stomach (60-70%) and small intestine (25-30%) and, less commonly, in the oesophagus, mesentery, colon, or rectum. The symptoms present at diagnosis are, gastrointestinal bleeding, abdominal pain, abdominal mass, or intestinal obstruction. The type of symptomatology will depend on the location and size of the tumour. The definitive diagnosis is histopathological, with 95% of the tumours being positive for CD117. CLINICAL CASES This is an observational and descriptive study of 5cases of small intestinal GIST that presented with gastrointestinal bleeding as the main symptom. The period from the initial symptom to the diagnosis varied from 1 to 84 months. The endoscopy was inconclusive in all of the patients, and the diagnosis was made using computed tomography and angiography. Treatment included resection in all patients. The histopathological results are also described. CONCLUSION GIST can have multiple clinical pictures and unusual symptoms, such as obscure gastrointestinal bleeding. The use of computed tomography and angiography has shown to be an important tool in the diagnosis with patients with small intestine GISTs.
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Zhang Z, Dasika NL, Englesbe MJ, Owens SR, Vellody R, Novelli PM, Shields JJ. Preoperative splenic artery embolization in klippel-Trenaunay syndrome with massive splenomegaly: A case report. Avicenna J Med 2014; 4:40-3. [PMID: 24761383 PMCID: PMC3994708 DOI: 10.4103/2231-0770.130345] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
The authors describe a case of Klippel-Trenaunay syndrome (KTS) with massive splenomegaly in a 29-year-old woman. Preoperative splenic artery embolization using the “double embolization technique” (a combination of distal selective splenic artery embolization and proximal splenic artery occlusion) facilitated open splenectomy.
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Affiliation(s)
- Zishu Zhang
- Department of Radiology, Division of Interventional Radiology, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Narasimham L Dasika
- Department of Radiology, Division of Interventional Radiology, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Michael J Englesbe
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Scott R Owens
- Department of Pathology, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Ranjith Vellody
- Department of Radiology, Division of Interventional Radiology, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Paula M Novelli
- Department of Radiology, Division of Interventional Radiology, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - James J Shields
- Department of Radiology, Division of Interventional Radiology, University of Michigan Health System, Ann Arbor, Michigan, USA
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Else T, Kim AC, Sabolch A, Raymond VM, Kandathil A, Caoili EM, Jolly S, Miller BS, Giordano TJ, Hammer GD. Adrenocortical carcinoma. Endocr Rev 2014; 35:282-326. [PMID: 24423978 PMCID: PMC3963263 DOI: 10.1210/er.2013-1029] [Citation(s) in RCA: 564] [Impact Index Per Article: 56.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Adrenocortical carcinoma (ACC) is a rare endocrine malignancy, often with an unfavorable prognosis. Here we summarize the knowledge about diagnosis, epidemiology, pathophysiology, and therapy of ACC. Over recent years, multidisciplinary clinics have formed and the first international treatment trials have been conducted. This review focuses on evidence gained from recent basic science and clinical research and provides perspectives from the experience of a large multidisciplinary clinic dedicated to the care of patients with ACC.
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Affiliation(s)
- Tobias Else
- MEND/Division of Metabolism, Endocrinology, and Diabetes (T.E., T.J.G., G.D.H.), Division of Molecular Medicine and Genetics (V.M.R.), Department of Internal Medicine; Departments of Radiation Oncology (A.S., J.S.), Pathology (T.J.G.), and Radiology (A.K., E.M.C.); and Division of Endocrine Surgery (B.S.M.), Section of General Surgery, (A.C.K.), Department of Surgery, University of Michigan Hospital and Health Systems, Ann Arbor, Michigan 48109
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Meehan T, Stecker MS, Kalva SP, Oklu R, Walker TG, Ganguli S. Outcomes of transcatheter arterial embolization for acute hemorrhage originating from gastric adenocarcinoma. J Vasc Interv Radiol 2014; 25:847-51. [PMID: 24657087 DOI: 10.1016/j.jvir.2014.02.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Revised: 01/29/2014] [Accepted: 02/04/2014] [Indexed: 01/16/2023] Open
Abstract
PURPOSE To evaluate the indications, complications, and clinical outcomes of transcatheter embolization for acute hemorrhage associated with gastric adenocarcinoma. MATERIALS AND METHODS Ten patients underwent catheter-directed arterial embolization at two institutions for acute gastrointestinal hemorrhage related to pathology-proven gastric adenocarcinoma from March 2002 to March 2012. The electronic medical record for each patient was reviewed for clinical presentation, endoscopy history, procedural complications, and long-term follow-up results. RESULTS Between March 2002 and March 2012, 10 patients (eight men; mean age, 61.1 y ± 15.3) underwent transcatheter arterial embolization for gastrointestinal hemorrhage caused by gastric adenocarcinoma. Endoscopic therapy had failed in all patients before embolization. Embolization involving branches of the left gastric artery was performed in all patients. No deaths or complications related to the procedure were identified. Mean survival was 301 days, but with a wide range, from 1 day to 1,852 days and counting. Those with unresectable disease (n = 7; 70%) had a median survival time of 9 days, significantly worse (P < .01) than those with resectable disease (n = 3; 30%), who had a median survival of 792 days. Six patients, all with unresectable disease, did not live beyond 30 days. Two of the three patients with resectable disease had subsequent curative resection. CONCLUSIONS Transcatheter arterial embolization can be considered for cases of acute hemorrhagic gastric adenocarcinoma, with improved outcomes in patients with localized disease compared with nonresectable gastric adenocarcinoma.
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Affiliation(s)
| | - Michael S Stecker
- Division of Angiography and Interventional Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Sanjeeva P Kalva
- Department of Interventional Radiology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Rahmi Oklu
- Division of Interventional Radiology, Massachusetts General Hospital
| | - T Gregory Walker
- Division of Interventional Radiology, Massachusetts General Hospital
| | - Suvranu Ganguli
- Division of Interventional Radiology, Massachusetts General Hospital.
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A rare adolescent case of female pseudohermaphroditism with adrenocortical carcinoma and synchronous teratoma. J Pediatr Hematol Oncol 2013; 35:e183-6. [PMID: 23528907 DOI: 10.1097/mph.0b013e318286d112] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
A patient with female pseudohermaphroditism is chromosomally and gonadally a female individual but has male or ambiguous external genitalia. In this paper, we report a 12-year-old Chinese girl who was diagnosed with female pseudohermaphroditism characterized by clitoridauxe, hirsutism, acne, hypertension, and karyotype 46 XX. Computed tomography scan revealed a huge left abdominal mass with distant metastases to bilateral lungs and a concomitant pelvic teratoma. Because the left abdominal mass was unresectable, the patient underwent a biopsy of the abdominal mass and a radical resection of the pelvic teratoma. Histopathology confirmed that the left abdominal mass was an adrenocortical carcinoma (ACC) and the pelvic teratoma was a mature cystic teratoma originating from the left ovary. After surgery, the patient received a transcatheter arterial chemoembolization of ACC, combined with 2 g mitotane daily for systemic treatment. It was a pity that she died 8 months later after diagnosis. So far, as we know, the simultaneous occurrence of pseudohermaphroditism, ACC, and ovarian teratomas has not been reported in the literatures before.
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Hamoui N, Gates VL, Gonzalez J, Lewandowski RJ, Salem R. Radioembolization of renal cell carcinoma using yttrium-90 microspheres. J Vasc Interv Radiol 2013; 24:298-300. [PMID: 23369565 DOI: 10.1016/j.jvir.2012.10.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Revised: 10/22/2012] [Accepted: 10/24/2012] [Indexed: 12/25/2022] Open
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