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hypertrophic obstructive cardiomyopathy

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https://www.readbyqxmd.com/read/29031174/dynamic-right-ventricular-outflow-obstruction-a-rare-cause-of-hypotension-during-anestesia-induction
#1
Maria Enrica Antoniucci, Christian Colizzi, Gabriella Arlotta, Maria Calabrese, Michele Corrado, Sergio Guarneri, Lorenzo Martinelli, Andrea Scapigliati, Roberto Zamparelli, Franco Cavaliere
INTRODUCTION: Dynamic obstruction of right ventricle outflow tract (RVOTO) is a rare condition that may acutely cause severe heart failure. It has been reported in some hypertrophic cardiomyopathies, after lung transplantation, and in some cases of hemodynamic instability after cardiopulmonary bypass. PRESENTATION OF CASE: We report the case of a 71-year-old man who developed severe hypotension during the induction of general anesthesia for surgical coronary revascularization...
October 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29024504/high-validity-of-cardiomyopathy-diagnoses-in-western-sweden-1989-2009
#2
Carmen Basic, Annika Rosengren, Sandra Lindström, Maria Schaufelberger
AIM: Hospital discharges with a diagnosis of cardiomyopathy have more than doubled in Sweden since 1987. We validated the cardiomyopathy diagnoses over this time period to investigate that the increase was real and not a result of improved recognition of the diagnosis and better diagnostic methods. METHODS AND RESULTS: Every fifth year from 1989 to 2009, records for all patients with a cardiomyopathy diagnosis were identified by searching the local registers in three hospitals in Västra Götaland, Sweden...
October 11, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29020402/women-with-hypertrophic-cardiomyopathy-have-worse-survival
#3
Jeffrey B Geske, Kevin C Ong, Konstantinos C Siontis, Virginia B Hebl, Michael J Ackerman, David O Hodge, Virginia M Miller, Rick A Nishimura, Jae K Oh, Hartzell V Schaff, Bernard J Gersh, Steve R Ommen
Aims: Sex differences in hypertrophic cardiomyopathy (HCM) remain unclear. We sought to characterize sex differences in a large HCM referral centre population. Methods and results: Three thousand six hundred and seventy-three adult patients with HCM underwent evaluation between January 1975 and September 2012 with 1661 (45.2%) female. Kaplan-Meier survival curves were assessed via log-rank test. Cox proportional hazard regression analyses evaluated the relation of sex with survival...
September 8, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28977350/e-e-ratio-and-outcome-prediction-in-hypertrophic-cardiomyopathy-the-influence-of-outflow-tract-obstruction
#4
Dai-Yin Lu, Bereketeab Hailesealassie, Ioannis Ventoulis, Hong-Yun Liu, Hsin-Yueh Liang, Iraklis Pozios, Marco Canepa, Susan Phillip, M Roselle Abraham, Theodore Abraham
Aims: Diastolic dysfunction is thought to be an important pathophysiologic component of hypertrophic cardiomyopathy (HCM). However, there are conflicting data on the potential value of the mitral E/e' ratio. We examined whether left ventricular outflow tract (LVOT) obstruction influences the value of E/e' in predicting outcomes in HCM. Methods and results: Patients who met diagnostic criteria for HCM were enrolled. Diastolic function was assessed with complete two-dimensional and Doppler echocardiography...
July 11, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28977064/cardiac-catheterization-in-a-patient-with-obstructive-hypertrophic-cardiomyopathy-and-syncope
#5
Rafael Amorim Belo Nunes, Henrique Barbosa Ribeiro, Luiz Junya Kajita, Fábio Antônio Gaiotto
No abstract text is available yet for this article.
September 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28974318/how-amazing-is-a-maze-procedure-in-the-obstructive-hypertrophic-cardiomyopathy-population
#6
EDITORIAL
Yuichi J Shimada, Shepard D Weiner, Hiroo Takayama
No abstract text is available yet for this article.
September 11, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28967624/hypertrophic-cardiomyopathy-and-left-ventricular-outflow-tract-obstruction-expecting-the-unexpected
#7
REVIEW
Pankaj Jain, Prakash A Patel, Michael Fabbro
Hypertrophic cardiomyopathy is an increasingly recognized clinical disease that carries perioperative risk. Patients may or may not carry a preoperative diagnosis, but provocable left ventricular outflow tract gradients place them at risk for hemodynamic compromise under surgical conditions. Early recognition of obstructive patterns and rapid management alterations in the face of instability are imperative for the treatment of these patients. This review focuses on the diagnostic criteria, risk factors, and management strategies for the perioperative hypertrophic cardiomyopathy patient...
May 1, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28965135/chronic-phase-improvements-in-electrocardiographic-and-echocardiographic-manifestations-of-left-ventricular-hypertrophy-after-alcohol-septal-ablation-for-drug-refractory-hypertrophic-obstructive-cardiomyopathy
#8
Junya Matsuda, Mitsunobu Kitamura, Morimasa Takayama, Yoichi Imori, Junsuke Shibuya, Yoshiaki Kubota, Hideto Sangen, Shunichi Nakamura, Hitoshi Takano, Kuniya Asai, Wataru Shimizu
After alcohol septal ablation (ASA), regression of left ventricular hypertrophy (LVH) has been observed in several studies using echocardiography or cardiac magnetic resonance, and favorable changes of myocardial excitation have been expected. However, no studies have focused on the alteration of electrocardiography (ECG) findings after ASA. Therefore, we evaluated serial changes in ECG parameters during the chronic phase after ASA for drug-refractory hypertrophic obstructive cardiomyopathy (HOCM). From 1998 to 2014, we performed 187 ASA procedures in 157 drug-refractory HOCM patients...
September 30, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28950345/marked-respiratory-related-fluctuations-in-left-ventricular-outflow-tract-gradients-in-hypertrophic-obstructive-cardiomyopathy-an-observational-study
#9
Renuka Jain, Martin Osranek, M Fuad Jan, Lindsey R Kalvin, Susan Olet, Suhail Q Allaqaband, Arshad Jahangir, Bijoy K Khandheria, A Jamil Tajik
Aims: Left ventricular outflow (LVOT) obstruction in patients with hypertrophic cardiomyopathy (HCM) is dynamic and sensitive to many variables that affect left ventricular preload, afterload, and contractility. The haemodynamic effect of normal respiration on LVOT obstruction has not been described. Methods and results: We examined 20 patients with HCM who were noted to have phasic respiratory variation of LVOT obstruction on initial transthoracic 2D echocardiogram and Doppler examination...
September 7, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28949276/percutaneous-trans-apex-intra-septal-radiofrequency-ablation-of-hypertrophic-cardiomyopathy
#10
Lei Zuo, Chao Sun, Jian Yang, Bing Liu, Mengyao Zhou, Ruiqi Guo, Shiqiang Yu, Junbo Ge, Lize Xiong, Liwen Liu
A 70-year-old woman presented with severe hypertrophic obstructive cardiomyopathy (HOCM) (maximum ventricular septum thickness of 28 mm, peak pressure gradient (PG) in the left ventricular outflow tract (LVOT) of 153 mmHg). We performed percutaneous trans-apex intra-septal radiofrequency ablation (PTAISRA) of the interventricular septum under guidance of transthoracic echocardiography. At six-months follow up, the symptoms were significantly relieved; the septal thickness was reduced to 18 mm and the peak LVOT PG reduced to 44 mmHg...
September 26, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28947201/concomitant-ablation-for-atrial-fibrillation-during-septal-myectomy-in-patients-with-hypertrophic-obstructive-cardiomyopathy
#11
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/28944188/hypertrophic-obstructive-cardiomyopathy
#12
Christopher Harris, Beth Croce, Stine Munkholm-Larsen
No abstract text is available yet for this article.
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944187/transaortic-mitral-valve-secondary-chordal-cutting-in-patients-with-obstructive-hypertrophic-cardiomyopathy-and-mild-septal-hypertrophy
#13
REVIEW
Irene Binaco, Paolo Spirito, Daniele Poggio, Valter Casati, Massimiliano Grillo, Paolo Ferrazzi
No abstract text is available yet for this article.
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944186/the-surgical-management-of-obstructive-hypertrophic-cardiomyopathy-the-rpr-procedure-resection-plication-release
#14
REVIEW
Daniel G Swistel, Mark V Sherrid
No abstract text is available yet for this article.
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944184/transmitral-myectomy-and-how-to-deal-with-systolic-anterior-motion-sam-in-hypertrophic-obstructive-cardiomyopathy
#15
REVIEW
Sabine Meier, Thilo Noack, Friedrich W Mohr, Joerg Seeburger, Jurgen Passage
No abstract text is available yet for this article.
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944183/transaortic-septal-myectomy-techniques-and-pitfalls
#16
REVIEW
Anthony Ralph-Edwards, Rachel D Vanderlaan, Pietro Bajona
Hypertrophic cardiomyopathy (HCM) is the most common congenital cardiac disease, affecting up to 1 in 200 individuals. When it causes left ventricular outflow tract (LVOT) obstruction, treatment is indicated to reduce symptoms and the risk of sudden cardiac death. Pharmacologic therapy is the first line treatment, however if it fails, surgical myectomy or percutaneous ablation of the hypertrophic myocardium are the standard therapies to eliminate subaortic obstruction. Both surgical myectomy and percutaneous ablation have been demonstrated as safe and effective treatments; however, myectomy is the gold standard with a significantly lower complication rate and more complete and longstanding reduction of LVOT obstruction...
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944182/right-ventricle-myectomy
#17
Konstantin V Borisov
Right ventricular (RV) hypertrophy is common in patients with hypertrophic cardiomyopathy (HCM), and is associated with more severe disease. Conventional surgical strategies such as the traditional Morrow procedure pose a particularly high risk to patients with severe hypertrophy and RV obstruction, for whom the most appropriate therapeutic approach has not yet been established. We have proposed a new technique for surgical correction in patients with hypertrophic obstructive cardiomyopathy and severe hypertrophy, which involves approaching the area of obstruction by entering through the conal part of the RV...
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944181/septal-myectomy-after-failed-septal-alcohol-ablation
#18
Eduard Quintana, Pietro Bajona, María José Arguis, Susanna Prat-González
Despite septal myectomy remaining the gold standard septal reduction therapy for hypertrophic obstructive cardiomyopathy (HOCM), there has been a disproportionate use of alcohol septal ablation (ASA) worldwide. Absolute resolution of left ventricular outflow tract (LVOT) obstruction with ASA is not achieved in a substantial proportion of patients. The mechanisms of failure from ASA are partially understood and described. Residual obstruction in hypertrophic cardiomyopathy is associated with worse clinical outcomes and mortality...
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944180/surgical-management-of-atrial-fibrillation-at-the-time-of-septal-myectomy
#19
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/28944179/hypertrophic-cardiomyopathy-in-children
#20
Arman Arghami, Joseph A Dearani, Sameh M Said, Patrick W O'Leary, Hartzell V Schaff
Hypertrophic cardiomyopathy (HCM) occurs in 1 of 500 adults and is considered to be one of the most common causes of death in young people under 35 years of age. Children with HCM are usually asymptomatic and the overall annual mortality beyond the first year of life is 1%. Septal myectomy is safe and effective in children with obstructive HCM and published data shows improved late survival compared to untreated HCM. Patient selection and surgical expertise remain critical components to ensuring successful outcomes of septal myectomy, particularly when considering prophylactic myectomy in a seemingly asymptomatic patient...
July 2017: Annals of Cardiothoracic Surgery
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