atrioventricular block as the initial presentation of
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See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/263397403 Atrioventricular block as the initial presentation of calcified bicuspid aortic valve Article in ARYA Atherosclerosis

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  1. See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/263397403 Atrioventricular block as the initial presentation of calcified bicuspid aortic valve Article in ARYA Atherosclerosis · January 2014 Source: PubMed CITATIONS READS 0 134 4 authors , including: Nematollah Jonaidi Jafari Amin Saburi Baqiyatallah University of Medical Sciences 87 PUBLICATIONS 876 CITATIONS 156 PUBLICATIONS 745 CITATIONS SEE PROFILE SEE PROFILE Some of the authors of this publication are also working on these related projects: shRNA-siRNA-cancer-Gene silensing-macrophage View project neuroimaging in children with metabolic disorders View project All content following this page was uploaded by Amin Saburi on 07 July 2014. The user has requested enhancement of the downloaded file.

  2. Atrioventricular block as the initial presentation of calcified bicuspid aortic valve Reza Karbasi-Afshar (1) , Nematollah Jonaidi-Jafari (2) , Amin Saburi (3) , Arezoo Khosravi (4) Case Report Abstract BACKGROUND: Bicuspid aortic valve (BAV) is one of the most common and important congenital heart disorders in adults. If a patient with congenital disorders is not diagnosed early, the patient’s disease may progress to a severe condition and thus diagnosis of the main disorder will be rendered difficult. CASE REPORT: A 34 year-old male patient referred to a referral medical care unit for cardiac electrophysiological study with cardiac shock due to complete heart block 3 months ago and he underwent Dual-Chamber permanent pacemaker (PPM) implantation. Thick and calcified bicuspid AV with invasion to interventricular septum, moderate to severe valve insufficiency (AI), severe aortic valve stenosis (AS), and dilated ascending aorta were observed at his echocardiography. Aortic valve replacement (AVR), aneurysm of ascending aorta, root replacement with tube graft (Bentall Procedure), and also a 3 chambers intracardiac defibrillator (ICD) were used. After 2 weeks of operation, he was discharged and at the first post-hospitalization visit (1 week later), his cardiovascular condition was acceptable. CONCLUSION: Thick calcified aortic root is a less studied and potential contributing risk factor for AV block after AVR. Therefore, in candidates of aortic valve replacement, considering conductive disorders, especially in patients with calcified valve, is mandatory. Irreversible AV block requiring PPM implantation is a rare condition following AVR. Keywords: Atrioventricular Block, Bicuspid Aortic Valve, Calcified Valve Date of submission: 30 Dec 2012, Date of acceptance: 22 May 2013 Introduction is not diagnosed early, the patient’s disease may progress to a severe condition, making it difficult to Bicuspid aortic valve (BAV) is one of the most diagnose the main disorder. We would like to report common and important congenital heart disorders an adult case of calcified BAV presented initially in adults. 1 BAV can occur along with other co- with atrioventricular (AV) block. morbid heart abnormalities which are secondary to BAV and make its diagnosis easier due to further Case Report cardiac assessment. 2 Aortic valve stenosis (AS), This case was a 34 year-old male patient referred aortic valve insufficiency (AI), aortic valve calcification, and aneurysm of aorta (AA) can to our medical care center (Baqiyatallah Hospital, a complicate BAV and can induce patients referral medical care unit for cardiac electrophysio- logical study) with cardiac shock due to complete symptomatic especially with aging. Moreover, they can raise the mortality rate of BAV and also BAV heart block [Echocardiography (ECG) findings: pace rhythm (Figure 1)]. He had a history of AV repairing process. 1,3,4 BAV as a congenital disorder is diagnosed at childhood, but it is rarely reported at block (ventricular rate: 30, atrial rate: 60) 3 months old age. Moreover, with ageing aortic root or prior to referral and he had undergone dual- Chamber permanent pacemaker (PPM) ascending aorta disorders may complicate BAV. 5 Therefore, when a patient with congenital disorders implantation. At echocardiography, which is 1- Department of Cardiovascular Diseases, School of Medicine AND Atherosclerosis Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran 2- Health Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran 3- Chemical Injuries Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran 4- Assistant Professor, Department of Cardiovascular Diseases, School of Medicine AND Atherosclerosis Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran Correspondence to: Arezoo Khosravi, Email: md.researcher@yahoo.com ARYA Atheroscler 2014; Volume 10, Issue 1 59 14 Jan www.mui.ac.ir

  3. Atrioventricular block as calcified BAV shown in figure 2, he had severe left ventricular regurgitation (2+), thick and calcified bicuspid AV enlargement, less than 30% ejection fraction, with invasion to interventricular septum (with area normal right ventricular size with mild of 1.4*1 cm), moderate to severe AI, severe AS, dysfunction, mild to moderate mitral valve and dilated ascending aorta (aneurysm = 5 mm). Figure 1. Electrocardiography study at admission (pace rhythm) 60 ARYA Atheroscler 2014; Volume 10, Issue 1 14 Jan www.mui.ac.ir

  4. Karbasi-Afshar, et al. Figure 2. Echocardiography findings at admission ARYA Atheroscler 2014; Volume 10, Issue 1 61 14 Jan www.mui.ac.ir

  5. Atrioventricular block as calcified BAV Figure 2. Echocardiography findings at admission (Continue) The aortic valve properties in echocardiography valve pressure gradient (AVPG) = 78 mmHg, aortic included aortic valve velocity-time integral (AV valve mean gradient (AVMG) = 50 mmHg, VTI) = 120 cm, left ventricular outflow tract Anulus = 2.6 cm, valsalva sinus = 4.2 cm, and velocity-time integral (LVOT VTI) = 11 cm, aortic ascending aorta = 5.0 cm. After admitting the 62 ARYA Atheroscler 2014; Volume 10, Issue 1 14 Jan www.mui.ac.ir

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