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Cryoablation

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https://www.readbyqxmd.com/read/28625929/verification-of-a-novel-atrial-fibrillation-cryoablation-dosing-algorithm-guided-by-time-to-pulmonary-vein-isolation-results-from-the-cryo-dosing-study-cryoballoon-ablation-dosing-based-on-the-assessment-of-time-to-effect-and-pulmonary-vein-isolation-guidance
#1
Arash Aryana, David N Kenigsberg, Marcin Kowalski, Charles H Koo, Hae W Lim, Padraig Gearoid O'Neill, Mark R Bowers, Robert B Hokanson, Kenneth A Ellenbogen
BACKGROUND: There are no recommendations on the optimal dosing for cryoablation of atrial fibrillation (Cryo-AF). OBJECTIVE: We developed and prospectively tested a Cryo-AF dosing protocol guided exclusively by time-to-pulmonary vein (PV) isolation (TT-PVI) in patients undergoing a first-time Cryo-AF. METHODS: In this multicenter study, we examined the acute/long-term safety/efficacy of Cryo-AF using the proposed dosing algorithm (Cryo-AFDosing, n=355) against a conventional, non-standardized approach (Cryo-AFConventional, n=400) in a non-randomized fashion...
June 15, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28620955/editorial-comment-from-dr-teishima-and-dr-matsubara-to-estimated-glomerular-filtration-rate-on-postoperative-day-1-is-associated-with-renal-functional-outcome-after-percutaneous-renal-cryoablation-for-renal-tumors
#2
Jun Teishima, Akio Matsubara
No abstract text is available yet for this article.
June 15, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28618707/re-cryoablation-versus-partial-nephrectomy-for-clinical-t1b-renal-tumors-a%C3%A2-matched-group-comparative-analysis
#3
Jeffrey A Cadeddu
No abstract text is available yet for this article.
July 2017: Journal of Urology
https://www.readbyqxmd.com/read/28612907/safety-and-efficacy-of-cryoablation-without-the-use-of-fluoroscopy
#4
Edward Kozluk, Dariusz Rodkiewicz, Agnieszka Piątkowska, Grzegorz Opolski
BACKGROUND: Development of electroanatomical systems make it possible to perform ablations without the use of fluoroscopy. The aim of this study was to evaluate the efficacy and safety of cryoablation procedures without the use of fluoroscopy. METHODS: The study group consisted of 45 patients (14 female; age 36 ± 15 years) treated with cryoablation using the EnSite electroanatomical system: 10 with ventricular extrasystoly from the right ventricle, 6 with the arrhythmogenic site near the left coronary artery, 17 patients with Wolff-Parkinson-White syndrome (WPW), 2 patients with atrioventricular nodal reentrant tachycardia (AVNRT) type 2, 7 patients with AVNRT type 1, 3 patients with atrial tachycardia...
June 14, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28612086/comparison-of-6-mm-versus-8-mm-tip-cryoablation-catheter-for-the-treatment-of-atrioventricular-nodal-reentrant-tachycardia-in-children-a-prospective-study
#5
Volkan Tuzcu, Enes Elvin Gul, Mehmet Karacan, Hacer Kamali, Nida Celik, Celal Akdeniz
Due to its safety profile, cryoablation (Cryo) for atrioventricular nodal reentrant tachycardia (AVNRT) is more commonly preferred over radiofrequency (RF) ablation in children in recent years. Recent studies demonstrated high long-term success rates comparable to radiofrequency ablation. The aim of this prospective study was to compare the efficacy and safety of an 8-mm-tip versus 6-mm-tip Cryo catheter in the treatment of AVNRT in children. A total of 125 consecutive patients over 10 years of age with AVNRT were included...
June 13, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28612019/thermal-ablation-in-the-management-of-colorectal-cancer-patients-with-oligometastatic-liver-disease
#6
REVIEW
Elena Nadia Petre, Constantinos Sofocleous
BACKGROUND: Surgical resection of limited colorectal liver disease improves long-term survival and can be curative in a subset of selected cases. Image-guided percutaneous ablation therapies have emerged as safe and effective alternative options for selected patients with unresectable colorectal liver metastases (CLM) that can be ablated with margins. Ablation causes focal destruction of tissue and has increasingly been shown to provide durable eradication of tumors. METHODS: A selective review of literature was conducted in PubMed, focusing on recent studies reporting on the safety, efficacy, and long-term outcomes of percutaneous ablation modalities in the treatment of CLM...
March 2017: Visceral Medicine
https://www.readbyqxmd.com/read/28609130/cryoablation-of-abdominal-wall-endometriosis-a-minimally-invasive-treatment
#7
Elizabeth H Dibble, Kelly C D'Amico, Christina A Bandera, Peter J Littrup
OBJECTIVE: The objective of this study is to present cryoablation as a minimally invasive definitive treatment for abdominal wall endometriosis. We describe our experience with the outpatient application of cryoablation to treat symptomatic abdominal wall endometriosis in three patients. CONCLUSION: This feasibility study shows that minimally invasive cryoablation treated abdominal wall endometriosis in three patients and provided a prompt clinical response.
June 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28600175/overcoming-immunosuppression-in-bone-metastases
#8
REVIEW
Zachary Z Reinstein, Sahithi Pamarthy, Vinay Sagar, Ricardo Costa, Sarki A Abdulkadir, Francis J Giles, Benedito A Carneiro
Bone metastases are present in up to 70% of advanced prostate and breast cancers and occur at significant rates in a variety of other cancers. Bone metastases can be associated with significant morbidity. The establishment of bone metastasis activates several immunosuppressive mechanisms. Hence, understanding the tumor-bone microenvironment is crucial to inform the development of novel therapies. This review describes the current standard of care for patients with bone metastatic disease and novel treatment options targeting the microenvironment...
May 12, 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28599873/percutaneous-mr-imaging-guided-cryoablation-of-small-renal-masses-in-a-3-t-closed-bore-mr-imaging-environment-initial-experience
#9
Tim J van Oostenbrugge, Johan F Langenhuijsen, Christiaan G Overduin, Sjoerd F Jenniskens, Peter F A Mulders, Jurgen J Fütterer
PURPOSE: To assess the feasibility of percutaneous magnetic resonance (MR) imaging-guided cryoablation of small renal masses (SRMs) in a 3-T environment and to evaluate intraprocedural imaging, procedural safety, and initial outcomes. MATERIALS AND METHODS: The analysis included 9 patients (4 men; median age, 72 y; range, 70-82 y) with 9 SRMs (diameter, 12-30 mm). Lesions underwent biopsy, and cryoneedles were inserted under ultrasound guidance. Verification of needle positions and ice-ball monitoring were performed by T1-weighted volumetric interpolated breath-hold examination and T2-weighted half-Fourier acquired single-shot turbo spin-echo sequences...
June 7, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28593151/the-absence-of-atrial-contraction-as-a-predictor-of-permanent-pacemaker-implantation-after-maze-procedure-with-cryoablation
#10
Chang-Seok Jeon, Man-Shik Shim, Seung-Jung Park, Dong Seop Jeong, Kyoung-Min Park, Young Keun On, June Soo Kim, Pyo Won Park
BACKGROUND: The absence of atrial contraction (AC) after the maze procedure has been reported to cause subsequent annular dilatation and to increase the risk of embolic stroke. We hypothesized that the lack of AC could increase the risk of permanent pacemaker (PPM) implantation in patients undergoing the maze procedure. METHODS: In 376 consecutive patients who had undergone a cryo-maze procedure and combined valve operation, recovery of AC was assessed at baseline and at immediate (≤2 weeks), early (≤1 year, 4...
June 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28592286/immunological-effect-of-local-ablation-combined-with-immunotherapy-on-solid-malignancies
#11
REVIEW
Yusuke Takahashi, Noriyuki Matsutani, Takashi Nakayama, Hitoshi Dejima, Hirofumi Uehara, Masafumi Kawamura
Recent comprehensive investigations clarified that immune microenvironment surrounding tumor cells are deeply involved in tumor progression, metastasis, and response to treatment. Furthermore, several immunotherapeutic trials have achieved successful results, and the immunotherapeutic agents are available in clinical practice. To enhance their demonstrated efficacy, combination of immunotherapy and ablation has begun to emerge. Local ablations have considerable advantages as an alternative therapeutic option, especially its minimal invasiveness...
June 7, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28579685/decision-making-in-interventional-oncology-ablative-options-in-the-lung
#12
REVIEW
Kyungmouk Steve Lee, Joseph P Erinjeri
Image-guided ablation is safe and effective for the treatment of both primary and metastatic tumors in the lung. This article reviews the three most commonly used ablative options: radiofrequency ablation, microwave ablation, and cryoablation. We describe the advantages of each ablation modality in the lung and how to choose the most appropriate ablation device based on patient and tumor characteristics. The optimal technique for lung ablation is discussed and technical tips for improving clinical outcome are described...
June 2017: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/28579684/decision-making-thermal-ablation-options-for-small-renal-masses
#13
REVIEW
Colin J McCarthy, Debra A Gervais
Renal cell carcinoma is a relatively common tumor, with an estimated 63,000 new cases being diagnosed in the United States in 2016. Surgery, be it with partial or total nephrectomy, is considered the mainstay of treatment for many patients. However, those patients with small renal masses, typically less than 3 to 4 cm in size who are deemed unsuitable for surgery, may be suitable for percutaneous thermal ablation. We review the various treatment modalities, including radiofrequency ablation, microwave ablation, and cryoablation; discuss the advantages and disadvantages of each method; and review the latest data concerning the performance of the various ablative modalities compared with each other, and compared with surgery...
June 2017: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/28577771/cryotherapy-for-barrett-s-esophagus
#14
REVIEW
Marcia Irene Canto
Cryotherapy or cryoablation involves the freezing of tissues to destroy unwanted tissue or to control bleeding. Endoscopic cryotherapy has been developed for gastrointestinal application by through-the-scope noncontact delivery of compressed carbon dioxide gas or liquid nitrogen (cryospray) or contact balloon cryoablation. The mechanism of cryotherapy ablative effects includes immediate injury as well as coagulation necrosis occurring over several hours and days, unlike heat-based thermal ablation. This article reviews the basis, technique, safety, efficacy, and durability for the use of endoscopic cryotherapy in Barrett's esophagus and esophageal adenocarcinoma...
July 2017: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/28572150/percutaneous-spinal-ablation-in-a-sheep-model-protective-capacity-of-an-intact-cortex-correlation-of-ablation-parameters-with-ablation-zone-size-and-correlation-of-postablation-mri-and-pathologic-findings
#15
A N Wallace, T J Hillen, M V Friedman, Z S Zohny, B H Stephens, S C Greco, M R Talcott, J W Jennings
BACKGROUND AND PURPOSE: Despite the growing use of percutaneous ablation therapy for the treatment of metastatic spine disease, several issues have yet to be fully addressed. Our aims were to determine whether the vertebral body cortex protects against ablation-induced spinal cord injury; correlate radiofrequency, cryo-, and microwave ablation parameters with resulting spinal ablation zone dimensions and describe normal spinal marrow postablation changes on MR imaging. MATERIALS AND METHODS: Ten thoracolumbar vertebrae in 3 sheep were treated with radiofrequency ablation, cryoablation, or microwave ablation under fluoroscopic guidance...
June 1, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28548236/renal-functional-outcomes-in-patients-undergoing-percutaneous-cryoablation-or-partial-nephrectomy-for-a-solitary-renal-mass
#16
Ross J Mason, Thomas D Atwell, Christine Lohse, Bimal Bhindi, Adam Weisbrod, Stephen A Boorjian, Bradley C Leibovich, Grant D Schmit, R Houston Thompson
OBJECTIVES: To compare renal functional changes after percutaneous cryoablation (CA) or partial nephrectomy (PN). PATIENTS AND METHODS: Patients who underwent CA or PN for a solitary renal mass at a single institution were identified (2003-2013). Estimated glomerular filtration rates (eGFR) were calculated at baseline, discharge, and 3 months follow-up using the Chronic Kidney Disease Epidemiology Collaboration equation. Changes in renal function were compared between groups using 1:1 propensity score (PS) matching, adjustment for PS quintile, and inverse probability weighting (IPW)...
May 26, 2017: BJU International
https://www.readbyqxmd.com/read/28544435/solid-renal-masses-in-transplanted-allograft-kidneys-a-closer-look-at-the-epidemiology-and-management
#17
John J Griffith, Katherine A Amin, Nikhil Waingankar, Susan M Lerner, Veronica Delaney, Scott A Ames, Ketan Badani, Michael A Palese, Reza Mehrazin
The objective of this review is to explore the available literature on solid renal masses (SRM) in transplant allograft kidneys to better understand the epidemiology and management of these tumors. A literature review using PubMed was performed according to the PRISMA methodology. Fifty-six relevant studies were identified from 1988-2015. A total of 174 SRMs in 163 patients, were identified with a mean tumor size of 2.75 cm (0.5-9.0cm). Tumor histology was available in 164 (94.3%) tumors: clear cell renal cell carcinoma (RCC) (45...
May 19, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28544008/editorial-comment-from-dr-hongo-to-estimated-glomerular-filtration-rate-on-postoperative-day-1-is-associated-with-renal-functional-outcome-after-percutaneous-renal-cryoablation-for-renal-tumors
#18
Fumiya Hongo
No abstract text is available yet for this article.
May 22, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28537918/cryoablation-combined-with-allogenic-natural-killer-cell-immunotherapy-improves-the-curative-effect-in-patients-with-advanced-hepatocellular-cancer
#19
Mao Lin, Shuzhen Liang, Xiaohua Wang, Yinqing Liang, Mingjie Zhang, Jibing Chen, Lizhi Niu, Kecheng Xu
In this study, the clinical efficacy of cryosurgery combined with allogenic natural killer cell immunotherapy for advanced hepatocellular cancer was evaluated. From October 2015 to March 2017, we enrolled 61 patients who met the enrollment criteria and divided them into two groups: 1) the simple cryoablation group (Cryo group, n = 26); and 2) the cryoablation combined with allogenic natural killer cells group (Cryo-NK group, n = 35), the safety and short-term effects were evaluated firstly, then the median progression-free survival, response rate and disease control rate were assessed...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28535660/-clinical-investigation-on-ct-guided-cryoablation-for-treating-invasive-chest-wall-or-pleural-tumors
#20
M Wang, Y W Pan, Z G Zhou, Y Cui, K P Du, S Li
Objective: To evaluate the feasibility and short-term effect of CT guided cryoablation for malignant chest wall or pleural involvement. Methods: To follow up 22 patients with chest wall or pleural involvement of various malignancies who underwent cryoablation from January 2012 to January 2015 by conducting postoperative 1-, 3- and 6-month enhanced CT, MRI or PET-CT examinations, respectively, evaluate local curative effect, and observe their progression-free survival (PFS), postoperative pain remission and complications after the cryoablation...
May 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
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