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Cox maze procedure

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https://www.readbyqxmd.com/read/29138143/minimally-invasive-stand-alone-cox-maze-procedure-for-persistent-and-long-standing-persistent-atrial-fibrillation-perioperative-safety-and-5-year-outcomes
#1
Niv Ad, Sari D Holmes, Ted Friehling
BACKGROUND: Rhythm control is challenging in patients with extended atrial fibrillation (AF) duration and persistent/long-standing persistent AF. Among surgical approaches to treat AF, the Cox maze procedure performed using alternative energy sources remains superior to other beating heart techniques. We examined permanence of safety and success for the on-pump, minimally invasive, stand-alone Cox maze procedure 5 years after surgery. METHODS AND RESULTS: Stand-alone, right 5 cm minithoracotomy, Cox maze III/IV procedure for nonparoxysmal AF was conducted in 133 patients (mean follow-up=65±34 months)...
November 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29102211/cox-maze-iv-procedure-is-effective-but-is-it-for-everybody
#2
EDITORIAL
G Hossein Almassi
No abstract text is available yet for this article.
October 5, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29056264/performance-of-the-cox-maze-iv-procedure-is-associated-with-improved-long-term-survival-in-patients-with-atrial-fibrillation-undergoing-cardiac-surgery
#3
Farah N Musharbash, Matthew R Schill, Laurie A Sinn, Richard B Schuessler, Hersh S Maniar, Marc R Moon, Spencer J Melby, Ralph J Damiano
OBJECTIVE: Atrial fibrillation (AF) is associated with an increased mortality risk. The Cox-maze IV procedure (CM4) performed concomitantly with other cardiac procedures has been shown to be effective for restoring sinus rhythm. However, few data have been published on the late survival of patients undergoing a concomitant CM4. METHODS: Patients undergoing cardiac surgery were retrospectively reviewed from 2001 to 2016 (n = 10,859). Patients were stratified into 3 groups: patients with a history of AF receiving a concomitant CM4 (CM4; n = 438), patients with a history of AF unaddressed during surgery (Untreated AF; n = 1510), and patients without AF history (No AF; n = 8911)...
September 27, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28947201/concomitant-ablation-for-atrial-fibrillation-during-septal-myectomy-in-patients-with-hypertrophic-obstructive-cardiomyopathy
#4
Alexander V Bogachev-Prokophiev, Alexander V Afanasyev, Sergei I Zheleznev, Alexei N Pivkin, Michael S Fomenko, Ravil M Sharifulin, Alexander M Karaskov
OBJECTIVE: The appearance of atrial fibrillation is associated with significant clinical deterioration in patients with obstructive hypertrophic cardiomyopathy; therefore, maintenance of sinus rhythm is desirable. Guidelines and most articles have reported the results of catheter ablation and pharmacologic atrial fibrillation treatment; nevertheless, data regarding concomitant procedures during septal myectomy are limited. The aim of this study was to assess the outcomes of concomitant atrial fibrillation treatment in patients with obstructive hypertrophic cardiomyopathy...
September 1, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28944180/surgical-management-of-atrial-fibrillation-at-the-time-of-septal-myectomy
#5
Eduard Quintana, James L Cox
Atrial fibrillation (AF) may appear during the natural clinical course of hypertrophic cardiomyopathy (HCM). It is regarded as a complication of HCM and is a marker of advanced disease. AF is more likely to occur in untreated, obstructive HCM. Unfortunately, this represents a turning point that puts patients at increased risk of further disability, stroke and death. The presence of obstruction is an indication to proceed with septal myectomy to improve or resolve symptoms by ameliorating diastolic dysfunction...
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28797677/emergence-of-atrioventricular-nodal-reentry-tachycardia-after-surgical-or-catheter-ablation-for-atrial-fibrillation-are-we-creating-the-arrhythmia-substrate
#6
Jorge Romero, Saurabh Kumar, Fujii Akira, David F Briceño, Usha B Tedrow, Laurence Epstein, Roy John, William G Stevenson, Gregory F Michaud
BACKGROUND: Atrioventricular nodal reentry tachycardia (AVNRT) is common in adults and often involves reentry through ≥2 atrioventricular nodal-atrial connections. Although AVNRT can be a trigger for atrial fibrillation (AF), we have observed new-onset AVNRT after AF ablation procedures. OBJECTIVE: The purpose of this study was to determine whether ablation involving the septum or proximal coronary sinus (CS) during AF ablation may create a substrate favorable for AVNRT...
November 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28678926/late-results-of-cox-maze-iii-procedure-in-patients-with-atrial-fibrillation-associated-with-structural-heart-disease
#7
Gustavo Gir Gomes, Wagner Luis Gali, Alvaro Valentim Lima Sarabanda, Claudio Ribeiro da Cunha, Iruena Moraes Kessler, Fernando Antibas Atik
Background: Cox-Maze III procedure is one of the surgical techniques used in the surgical treatment of atrial fibrillation (AF). Objectives: To determine late results of Cox-Maze III in terms of maintenance of sinus rhythm, and mortality and stroke rates. Methods: Between January 2006 and January 2013, 93 patients were submitted to the cut-and-sew Cox-Maze III procedure in combination with structural heart disease repair. Heart rhythm was determined by 24-hour Holter monitoring...
July 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28602672/surgical-and-hybrid-ablation-of-atrial-fibrillation
#8
REVIEW
Reece A Davies, Saurabh Kumar, Richard B Chard, Stuart P Thomas
Atrial fibrillation (AF) is the most common arrhythmia in humans and is known to be associated with an increased risk of stroke, dementia, heart failure and mortality. Non-pharmacological therapy with ablation using either surgical or percutaneous techniques is recommended in drug refractory AF. Early attempts to devise procedures to ablate AF and restore sinus rhythm culminated with the Cox-Maze procedure, the first truly successful procedure. Since then, ablation surgery has been conducted predominately as a concomitant procedure...
September 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28593152/treatment-of-atrial-fibrillation-in-elderly-patients-with-the-cox-maze-procedure-concurrently-with-other-cardiac-operations
#9
Ja Hong Kuh, Joon Young Song, Tae Youn Kim, Jong Hun Kim, Jong Bum Choi
BACKGROUND: In elderly patients who have atrial fibrillation (AF), surgical ablation of the arrhythmia during cardiac surgery may be challenging. Despite the reported advantages of ablating AF with the Cox maze procedure (CMP), the addition of the CMP may complicate other cardiac operations. We evaluated the effect of the CMP in elderly patients concurrent with other cardiac operations. METHODS: From October 2007 to December 2015, we enrolled 27 patients aged >70 years who had AF and who underwent the CMP concurrently with other cardiac operations...
June 2017: Korean Journal of Thoracic and Cardiovascular Surgery
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/28583297/the-cox-maze-iv-procedure-for-atrial-fibrillation-is-equally-efficacious-in-patients-with-rheumatic-and-degenerative-mitral-valve-disease
#11
Jonathan E Labin, Nowrin Haque, Laurie A Sinn, Richard B Schuessler, Marc R Moon, Hersh S Maniar, Spencer J Melby, Ralph J Damiano
OBJECTIVE: To determine whether the etiology of mitral valve disease (MVD), due to either rheumatic or degenerative pathology, influences long-term outcomes after the Cox-Maze IV procedure (CMPIV). METHODS: Between February 2001 and July 2015, 245 patients received a CMIV and concomitant mitral valve procedure. Patients were separated into 2 cohorts based on their etiology of MVD, degenerative (n = 153) and rheumatic (n = 92). Patients were followed prospectively (mean follow-up: 41 ± 37 months) for recurrent atrial tachyarrhythmias (ATAs)...
September 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28577848/does-surgical-ablation-energy-source-affect-long-term-success-of-the-concomitant-cox-maze-procedure
#12
Niv Ad, Sari D Holmes, Anthony J Rongione, Paul S Massimiano, Lisa M Fornaresio
BACKGROUND: The Cox maze (CM) procedure is routinely performed using surgical ablation technology. Reports are scarce on long-term outcomes of CM, especially for a large series of patients. This study examined the potential impact of surgical ablation energy source on safety and long-term efficacy of concomitant CM procedures. METHODS: The study sample consisted of 709 concomitant CM-treated patients operated on with cryothermal energy only (group 1; n = 386) or combination of cryothermal and bipolar radiofrequency (group 2; n = 323)...
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28549027/a-minimally-invasive-stand-alone-cox-maze-procedure-is-as-effective-as-median-sternotomy-approach
#13
Matthew R Schill, Laurie A Sinn, Jason W Greenberg, Matthew C Henn, Timothy S Lancaster, Richard B Schuessler, Hersh S Maniar, Ralph J Damiano
OBJECTIVE: The Cox-Maze IV procedure has been shown to be an effective treatment for atrial fibrillation when performed concomitantly with other operations either via median sternotomy or right minithoracotomy. Few studies have compared these approaches in patients with lone atrial fibrillation. This study examined outcomes with sternotomy versus minithoracotomy in stand-alone Cox-Maze IV procedures at our institution. METHODS: Between 2002 and 2015, 195 patients underwent stand-alone biatrial Cox-Maze IV...
May 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28496076/-early-results-of-complex-fractionated-atrial-electrogram-mapping-guided-atrial-fibrillation-surgery
#14
Kazuaki Fukahara, Mari Sakai, Shigeki Yokoyama, Toshio Doi, Naoki Yoshimura
OBJECTIVE: Although the Cox-maze operation is the standard surgical procedure for permanent atrial fibrillation(AF), conversion to sinus rhythm is limited by patient characteristics, including the duration of AF, atrial size, and voltage of fibrillation waves. A surgical strategy based on structural alteration of the electrical substrates of AF is required to achieve better outcomes of AF surgery. Complex fractionated atrial electrogram (CFAE) plays an important role in the electrical substrate of AF...
May 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28432672/para-atrial-non-acute-mediastinal-hematoma-after-left-atrial-maze-procedure-mimicking-tumor-in-a-patient-with-treated-melanoma
#15
G Schaiberger, D Pucar, V Patel, B Bateson, H Williams, W Bates
INTRODUCTION: The Cox Maze III procedure is considered the gold standard open surgical procedure for management of atrial fibrillation. This article outlines a unique case of a para-atrial mediastinal hematoma following a bilateral thoracoscopic left atrial Maze procedure mimicking malignancy. REPORT: A 60-year-old male, with past history of melanoma, underwent bilateral thoracoscopic left atrial mini maze procedure with radiofrequency energy and exclusion of the left atrial appendage...
April 21, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28403480/box-lesion-with-single-radiofrequency-clamp
#16
Kasra Shaikhrezai, Cristiano Spadaccio, Steven Hunter
We introduce a maneuver to perform the box lesion as a part of Cox maze IV procedure with single radiofrequency clamp. The maneuver entails engaging the right pulmonary veins with the clamp, then advancing the clamp jaws underneath the superior vena cava through the transverse sinus to include the roof and the left pulmonary veins in the clamp. We regularly use this technique for box lesion with desirable transmurality.
April 12, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28262289/a-single-center-s-experience-with-pacemaker-implantation-after-the-cox-maze-procedure-for-atrial-fibrillation
#17
Niv Ad, Sari D Holmes, Rabia Ali, Graciela Pritchard, Deborah Lamont
OBJECTIVE: The Cox maze procedure (CM) is safe and effective for all atrial fibrillation (AF) types. A recent randomized trial found alarming rates of pacemaker implantation (PMI) during hospitalization after CM. The purpose of this study was to assess the rate of PMI and its impact on outcomes after CM. METHODS: Incidence of PMI was captured for all CM patients (2005-2015; N = 739). Data were collected prospectively. Multivariable logistic regression was conducted to determine risk factors for PMI...
July 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28242081/long-term-risk-of-ischemic-stroke-after-the-cox-maze-iii-procedure-for-atrial-fibrillation
#18
MULTICENTER STUDY
Anders Albåge, Ulrik Sartipy, Göran Kennebäck, Birgitta Johansson, Henrik Scherstén, Lena Jidéus
BACKGROUND: The long-term risk of stroke after surgical treatment of atrial fibrillation is not well known. We performed an observational cohort study with long follow-up after the "cut-and-sew" Cox-maze III procedure (CM-III), including left atrial appendage excision. The aim was to analyze the incidence of stroke/transient ischemic attack (TIA) and the association to preoperative CHA2DS2-VASc (age in years, sex, congestive heart failure history, hypertension history, stroke/TIA, thromboembolism history, vascular disease history, diabetes mellitus) score...
August 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28187972/late-results-of-the-cox-maze-iv-procedure-in-patients-undergoing-coronary-artery-bypass-grafting
#19
Matthew R Schill, Farah N Musharbash, Vivek Hansalia, Jason W Greenberg, Spencer J Melby, Hersh S Maniar, Laurie A Sinn, Richard B Schuessler, Marc R Moon, Ralph J Damiano
OBJECTIVE: Most patients with atrial fibrillation (AF) undergoing cardiac surgery do not receive concomitant ablation. This study reviewed outcomes of patients with AF undergoing Cox-maze IV (CMIV) procedure with radiofrequency and cryoablation and coronary artery bypass grafting (CABG) at our institution. METHODS: Between the introduction of radiofrequency ablation in 2002 and 2015, 135 patients underwent left- or biatrial CMIV with CABG. Patients undergoing other cardiac procedures, except mitral valve repair, or who had emergent, reoperative, or off-pump procedures were excluded...
May 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28007240/the-society-of-thoracic-surgeons-2017-clinical-practice-guidelines-for-the-surgical-treatment-of-atrial-fibrillation
#20
REVIEW
Vinay Badhwar, J Scott Rankin, Ralph J Damiano, A Marc Gillinov, Faisal G Bakaeen, James R Edgerton, Jonathan M Philpott, Patrick M McCarthy, Steven F Bolling, Harold G Roberts, Vinod H Thourani, Rakesh M Suri, Richard J Shemin, Scott Firestone, Niv Ad
Surgical ablation for atrial fibrillation (AF) can be performed without additional risk of operative mortality or major morbidity, and is recommended at the time of concomitant mitral operations to restore sinus rhythm. (Class I, Level A) Surgical ablation for AF can be performed without additional operative risk of mortality or major morbidity, and is recommended at the time of concomitant isolated aortic valve replacement, isolated coronary artery bypass graft surgery, and aortic valve replacement plus coronary artery bypass graft operations to restore sinus rhythm...
January 2017: Annals of Thoracic Surgery
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