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https://www.readbyqxmd.com/read/29765615/prognostic-significance-of-repeated-brain-natriuretic-peptide-measurements-after-percutaneous-transluminal-septal-myocardial-ablation-in-patients-with-drug-refractory-hypertrophic-obstructive-cardiomyopathy
#1
Keitaro Akita, Hikaru Tsuruta, Shinsuke Yuasa, Mitsushige Murata, Keiichi Fukuda, Yuichiro Maekawa
Objectives: To evaluate whether repeated brain natriuretic peptide (BNP) measurements after percutaneous transluminal septal myocardial ablation (PTSMA) provide prognostic information regarding the response to PTSMA in patients with drug-refractory hypertrophic obstructive cardiomyopathy (HOCM). Background: Plasma BNP levels are associated with clinical outcomes in patients with HOCM. However, the prognostic value of plasma BNP level changes before and after PTSMA remains unclear...
2018: Open Heart
https://www.readbyqxmd.com/read/29736811/transcatheter-septal-ablation-in-hypertrophic-obstructive-cardiomyopathy-a-technical-guide-and-review-of-published-results
#2
REVIEW
Angelos G Rigopoulos, Stefanos Sakellaropoulos, Muhammad Ali, Sophie Mavrogeni, Athanassios Manginas, Matthias Pauschinger, Michel Noutsias
Transcatheter alcohol septal ablation (ASA) treatment of symptomatic patients with hypertrophic obstructive cardiomyopathy (HOCM) is based on the existence and degree of intraventricular obstruction. Patients with significant gradient and symptoms who do not respond to optimal medical therapy are eligible to gradient reduction through a surgical (septal myectomy) or a transcatheter (alcohol septal ablation) septal reduction. The latter encompasses occlusion of a septal branch perfusing the hypertrophied septum, which is involved in the generation of obstruction, by injecting ethanol into the supplying septal branch(es)...
May 8, 2018: Heart Failure Reviews
https://www.readbyqxmd.com/read/29721122/atrial-fibrillation-deteriorates-tricuspid-regurgitation-following-implantable-cardioverter-defibrillator-lead-placement-in-patient-with-hypertrophic-obstructive-cardiomyopathy
#3
Takato Mohri, Mike Saji, Tatsuya Murai, Morimasa Takayama
Although atrial fibrillation (AF) often exists in patients with hypertrophic obstructive cardiomyopathy (HOCM), combination of tricuspid regurgitation (TR) and AF after implantation of pacemaker/implantable cardioverter defibrillator (ICD) lead and its optimal management have not been well discussed in this population. Herein, we present a patient with HOCM who subsequently died due to severe heart failure and deterioration of TR following ICD lead placement with AF. Autopsy findings demonstrated that ICD leads were entrapped by anomaly structure in the right atrium and ventricle, which might affect deterioration of TR...
February 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/29660848/international-collaborative-study-to-assess-cardiovascular-risk-and-evaluate-long-term-health-in-cats-with-preclinical-hypertrophic-cardiomyopathy-and-apparently-healthy-cats-the-reveal-study
#4
Philip R Fox, Bruce W Keene, Kenneth Lamb, Karsten A Schober, Valerie Chetboul, Virginia Luis Fuentes, Gerhard Wess, Jessie Rose Payne, Daniel F Hogan, Alison Motsinger-Reif, Jens Häggström, Emilie Trehiou-Sechi, Deborah M Fine-Ferreira, Reid K Nakamura, Pamela M Lee, Manreet K Singh, Wendy A Ware, Jonathan A Abbott, Geoffrey Culshaw, Sabine Riesen, Michele Borgarelli, Michael B Lesser, Nicole Van Israël, Etienne Côté, John E Rush, Barret Bulmer, Roberto A Santilli, Andrea C Vollmar, Maribeth J Bossbaly, Nadine Quick, Claudio Bussadori, Janice M Bright, Amara H Estrada, Dan G Ohad, Maria Josefa Fernández-Del Palacio, Jenifer Lunney Brayley, Denise S Schwartz, Christina M Bové, Sonya G Gordon, Seung Woo Jung, Paola Brambilla, N Sydney Moïse, Christopher D Stauthammer, Rebecca L Stepien, Cecilia Quintavalla, Christophe Amberger, Ferenc Manczur, Yong-Wei Hung, Remo Lobetti, Marie De Swarte, Alice Tamborini, Carmel T Mooney, Mark A Oyama, Andrey Komolov, Yoko Fujii, Romain Pariaut, Masami Uechi, Victoria Yukie Tachika Ohara
BACKGROUND: Hypertrophic cardiomyopathy is the most prevalent heart disorder in cats and principal cause of cardiovascular morbidity and mortality. Yet, the impact of preclinical disease is unresolved. HYPOTHESIS/OBJECTIVES: Observational study to characterize cardiovascular morbidity and survival in cats with preclinical nonobstructive (HCM) and obstructive (HOCM) hypertrophic cardiomyopathy and in apparently healthy cats (AH). ANIMALS: One thousand seven hundred and thirty client-owned cats (430 preclinical HCM; 578 preclinical HOCM; 722 AH)...
April 16, 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29607159/application-of-3d-printing-in-the-surgical-planning-of-hypertrophic-obstructive-cardiomyopathy-and-physician-patient-communication-a-preliminary-study
#5
Hong-Chang Guo, Yang Wang, Jiang Dai, Chang-Wei Ren, Jin-Hua Li, Yong-Qiang Lai
Background: The aim of this study was to evaluate the effect of 3-dimensional (3D) printing in treatment of hypertrophic obstructive cardiomyopathy (HOCM) and its roles in doctor-patient communication. Methods: 3D-printed models were constructed preoperatively and postoperatively in seven HOCM patients received surgical treatment. Based on multi-slice computed tomography (CT) images, regions of disorder were segmented using the Mimics 19.0 software (Materialise, Leuven, Belgium)...
February 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29602755/pathoanatomic-findings-and-treatment-during-hypertrophic-obstructive-cardiomyopathy-surgery-the-role-of-mitral-valve
#6
Giuseppe M Raffa, Giuseppe Romano, Marco Turrisi, Marco Morsolini, Giovanni Gentile, Sergio Sciacca, Alessandro Armaro, Vincenzo Stringi, Gabriella Mattiucci, Serena Magro, Fabiola Cosentino, Francesco Clemenza, Michele Pilato
BACKGROUND: To assess the role of the mitral valve apparatus (leaflets, chordae and papillary muscles, PM) in left ventricle outflow tract (LVOT) obstruction, and results of the surgical treatment for hypertrophic obstructive cardiomyopathy (HOCM). METHODS: Twenty-eight consecutive patients (58±11years, 53% female) undergoing HOCM surgery from 2007 to 2016 at our institute were retrospectively reviewed. Endpoints included the involvement of the mitral valve in LVOT obstruction, mortality, and changes in clinical and echocardiographic characteristics after HOCM surgery...
February 14, 2018: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29550208/surgery-of-hocm-in-patients-with-severe-hypertrophy-myocardial-fibrosis-and-ventricular-tachycardia-commentary
#7
Anita Nguyen, Hartzell V Schaff
No abstract text is available yet for this article.
March 14, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29549506/minimally-invasive-trans-mitral-septal-myectomy-for-diffuse-type-hypertrophic-obstructive-cardiomyopathy
#8
Taichi Sakaguchi, Toshinori Totsugawa, Kentaro Tamura, Arudo Hiraoka, Genta Chikazawa, Hidenori Yoshitaka
OBJECTIVE: Despite excellent long-term results reported for a trans-aortic septal myectomy for hypertrophic obstructive cardiomyopathy (HOCM), surgery for patients with diffuse hypertrophy is very challenging. In addition, a left ventricular outflow obstruction is often aggravated by an abnormal mitral valve and subvalvular apparatus. METHODS: We performed video-assisted minimally invasive trans-mitral septal myectomy procedures in 3 patients with diffuse-type HOCM, who were highly symptomatic despite maximal medical therapy...
March 16, 2018: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29534954/surgery-of-hypertrophic-obstructive-cardiomyopathy-in-patients-with-severe-hypertrophy-myocardial-fibrosis-and-ventricular-tachycardia
#9
Konstantin V Borisov
BACKGROUND: In patients with hypertrophic obstructive cardiomyopathy myocardial fibrosis is an independent predictor of adverse outcome. A new technique of HOCM surgical correction in patients with severe hypertrophy and septal myocardial fibrosis has been proposed. METHODS: The excision of the asymmetrical hypertrophied area of the interventricular septum causing obstruction was performed from the conal part of the right ventricle corresponding to the zone of obstruction of the left ventricle (LV)...
March 10, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29480796/the-molecular-mechanism-of-contrast-induced-nephropathy-cin-and-its-link-to-in-vitro-studies-on-iodinated-contrast-media-cm
#10
Jai-Sing Yang, Yan-Ru Peng, Shih-Chang Tsai, Yeu-Sheng Tyan, Chi-Cheng Lu, Hong-Yi Chiu, Yu-Jen Chiu, Sheng-Chu Kuo, Yuh-Feng Tsai, Ping-Chin Lin, Fuu-Jen Tsai
Iodinated contrast media (iodinated CM) have increased ability to absorb x-rays and to visualize structures that normally are impossible to observe in a radiological examination. The use of iodinated CM may destory renal function, commonly known as contrast-induced nephropathy (CIN), which can result in acute renal failure (ARF). This review article mainly focuses on the following areas: (1) classifications of iodinated CM: ionic or non-ionic, high-osmolarity contrast media (HOCM), low-osmolarity contrast media (LOCM) and iso-osmolarity contrast media (IOCM); (2) an introduction to the physical and chemical properties of the non-ionic iodinated CM; (3) the management of anaphylactic reaction by iodinated CM; (4) a suggested single injection of adult doses and maximum dose for non-ionic iodinated CM; (5) the molecular mechanism of contrast-induced nephropathy (CIN); (6) In vitro studies on iodinated CM...
March 2018: BioMedicine
https://www.readbyqxmd.com/read/29479008/morphological-determinants-of-obstructive-hypertrophic-cardiomyopathy-obtained-using-echocardiography
#11
Ikumi Nara, Takako Iino, Hiroyuki Watanabe, Wakana Sato, Kumiko Watanabe, Mai Shimbo, Yuri Umeta, Hiroshi Ito
The morphological determinants of left ventricular outflow tract (LVOT) obstruction in hypertrophic cardiomyopathy (HCM) are not completely understood. We aimed to identify the anatomical risks of the obstruction using echocardiography.Fifty patients with untreated HCM were classified into two groups: those with LVOT pressure gradient (LVOTPG) ≥ 30 mmHg (obstructive HCM [HOCM] group) and those with LVOTPG < 30 mmHg (HNCM group). The echocardiographic morphological variables were analyzed to determine whether they were predictive of LVOT obstruction...
March 30, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29453593/risk-marker-profiles-in-patients-treated-with-percutaneous-septal-ablation-for-symptomatic-hypertrophic-obstructive-cardiomyopathy
#12
Amelie Burghardt, Frank van Buuren, Zisis Dimitriadis, Tim Grübbel, Hubert Seggewiss, Smita Scholtz, Dieter Horstkotte, Lothar Faber
BACKGROUND AND STUDY OBJECTIVE: Different studies have shown a good long-term survival with improvement of symptoms and hemodynamics after percutaneous septal ablation (PTSMA), similar to myectomy considered to be the therapeutic "gold standard" for symptomatic hypertrophic obstructive cardiomyopathy (HOCM). Furthermore, desobliteration of left ventricular (LV) outflow may modify features of the disease considered to be risk-relevant, such as magnitude of LV hypertrophy, outflow gradient, and left atrial (LA) size...
February 16, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29397524/rationale-and-design-of-the-trichampion-trial-triple-chamber-pacing-in-hypertrophic-obstructive-cardiomyopathy-patients
#13
Antonio Berruezo, Markus Linhart, Angelo Auricchio, José Luis Zamorano, Pilar Santamaria, Roger Borràs, Felip Burgos, Josep Brugada
PURPOSE: Dual-chamber (DDD) pacing has been used for treatment of patients with hypertrophic obstructive cardiomyopathy (HOCM). Due to inconclusive results in prior trials, current guidelines assign DDD pacing a class IIb indication in selected patients. Prior observations indicate that lack of clinical improvement may result from suboptimal effect of DDD pacing with non-physiological AV intervals due to fusion of intrinsic and paced QRS complex. METHODS: The Triple Chamber Pacing in Hypertrophic Obstructive Cardiomyopathy Patients (TRICHAMPION) trial is a prospective, randomized, single-blinded, multicenter study to investigate the benefit of atrial synchronous biventricular pacing (CRT-P) in highly symptomatic HOCM patients with severe left ventricular outflow tract (LVOT) obstruction who are not candidates for ablative therapies...
March 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29390532/comparison-of-surgical-results-in-patients-with-hypertrophic-obstructive-cardiomyopathy-after-classic-or-modified-morrow-septal-myectomy
#14
COMPARATIVE STUDY
Yongqiang Lai, Hongchang Guo, Jinhua Li, Jiang Dai, Changwei Ren, Yang Wang
The study was conducted to evaluate the surgical results in patients with hypertrophic obstructive cardiomyopathy (HOCM) who underwent either classic Morrow septal myectomy or modified procedure.The modified Morrow septal myectomy has gained interest as a new treatment for patients with drug-refractory symptoms of HOCM; however, its benefits in comparison to the classic procedure are unknown.In all, 236 symptomatic HOCM patients underwent surgical treatment from January 2006 to January 2015. Among them, 86 patients were treated by the classic Morrow myectomy and 150 patients via the modified procedure...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29383124/genetic-association-between-1425g-a-snp-in-prkch-and-hypertrophic-cardiomyopathy-in-a-chinese-population
#15
Feng Ji, Qun Liu, Zeyu Feng, Xinwei Han, Zhitong Li
Hypertrophic cardiomyopathy is a heterogeneous myocardial disorder with a broad spectrum of clinical presentation and morphologic features. Previous reports indicated that protein kinase C pathway as a major determinant of cardiac hypertrophy and heart failure. Population-based analyses of the association between PRKCH gene (encoded PKCη) and HCM has not been performed yet. The purpose of this study is to investigate the association of the nonsynonymous SNP (1425G/A) in PRKCH gene and hypertrophic cardiomyopathy in a Chinese population...
December 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29325364/-the-efficacy-and-safety-of-coil-embolization-of-septal-branch-in-the-treatment-of-patients-with-obstructive-hypertrophic-cardiomyopathy
#16
H Liu, Q Wu, H W Tan, J Pang
Objective: To observe the clinical efficacy and safety of coil embolization of septal branch in the treatment of obstructive hypertrophic cardiomyopathy (HOCM). Methods: Eighteen patients with HOCM hospitalized in our department from September 2014 to October 2016 were enrolled in this study. There were 12 males and 6 females in this cohort and the age of patients ranged from 22 to 64 years old. Left ventricular outflow tract gradient (LVOTG) was derived from echocardiographic apical five-chamber view at pre-operation and at 48 hours and 6 months post operation...
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29304228/prognostic-value-of-free-triiodothyronine-level-in-patients-with-hypertrophic-obstructive-cardiomyopathy
#17
Kuo Zhang, Xiangbin Meng, Wenyao Wang, Jilin Zheng, Shimin An, Siyuan Wang, Yu Qi, Chuanyu Gao, Yi-Da Tang
Context: Thyroid hormone acts as a fundamental regulator in cardiovascular homeostasis in pathophysiological conditions. Objective: This study aims to determine whether thyroid hormone could be an independent predictor of adverse events in patients with hypertrophic obstructive cardiomyopathy (HOCM). Design, Patients, and Outcome Measures: The original cohort consisted of 965 consecutive patients with HOCM who were admitted to Fuwai Hospital from October 2009 to December 2014, and 756 patients completed thyroid function evaluations...
March 1, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29301125/long-term-prognosis-after-myectomy-in-hypertrophic-obstructive-cardiomyopathy-with-severe-left-ventricular-hypertrophy
#18
Shuoyan An, Chaomei Fan, Yinjian Yang, Fei Hang, Zhimin Wang, Yuhui Zhang, Jian Zhang
OBJECTIVES: Patients with hypertrophic obstructive cardiomyopathy (HOCM) and severe left ventricular hypertrophy (maximal left ventricular wall thickness ≥30 mm) are at high risk of sudden cardiac death (SCD). In this study, we aimed to determine whether HOCM patients with severe hypertrophy had a lower incidence of SCD after myectomy. METHODS: HOCM patients with severe hypertrophy were consecutively enrolled from Fuwai Hospital in China between 2000 and 2013...
2018: Cardiology
https://www.readbyqxmd.com/read/29275594/-comparison-of-early-clinical-effects-of-ablation-with-surgery-treatment-in-patients-with-hypertrophic-cardiomyopathy
#19
Y P Ruan, X W Liu, Y Zhang, J C Han, Y Q Lai, J Lü, Y H He
Objective: To compare the early clinical effect of septal myectomy and percutaneous transluminal septal myocardial ablation (PTMSA) on the left ventricular outflow obstruction and the rate of complication in patients with hypertrophic obstructive cardiomyopathy (HOCM). Methods: A total of 204 patients with HOCM who received septal reduction treatment were recruited. These patients were divided into two groups, surgery group ( n =135) (65 patients with modified Morrow procedure, 70 patients with non-Morrow myomectomy) and PTMSA group ( n =69)...
December 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29249790/-ascending-aorta-replacement-and-extended-myectomy-for-acute-aortic-dissection-and-coexistent-hypertrophic-obstructive-cardiomyopathy-report-of-a-case
#20
Tomoyuki Suzuki, Masaki Hata, Kazuhiro Yamaya, Takeshi Saitou, Fumiya Haba, Masahiro Matsuno
Emergent ascending aortic replacement and extended myectomy were performed in a woman with acute aortic dissection who was aged 63 years. Preoperative transthoracic echocardiography performed in the intensive care unit showed only slight left ventricular outflow tract (LVOT) obstruction, but intraoperative transesophageal echocardiography after induction of anesthesia revealed pericardial effusion, systolic anterior motion(SAM), and associated mitral regurgitation(MR). Perioperative SAM and MR are sometimes facilitated under various hemodynamic conditions, but in this case, the left ventricular wall was thick and LVOT appeared to be obstructive by a hypertrophied septum...
December 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
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