Heart block necessitating pacing at Iraqi center for heart diseases, October 2011 – August 2013

Muthanna Medical Journal
Volume 3, Issue 1, June 2016, Pages 43-48

Research Article                                                                         

Hassan Abdul Amir AL-Daghir*

*Corrospondance author: haldaghir@yahoo.com
Department of Medicine, Al-Hussain teaching hospital, Al Muthanna.  Received 12 November 2015, Accepted 26 May 2016, Available online 27 June  2016.
This is article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Copyright © 2016 HA


A cross– sectional study was conducted at Iraqi Center for Heart Disease– Baghdad /Iraq. A 82 cases of heart block during the period from October 2011- August 2013. 43(52.43%) were males while female sex was reported in 39 (47.56%), 40(48.78%) had syncope dizziness, 18(21.95%) impaired performance, and 8(9.75%) presyncope. 3rd degree heart block was reported in 47(57.31%), Sick sinus syndrome in 14(17.07%) mobitz 2 in 11(29.39%), bifascicular in 5(6.09%) and be fascicular with prolonged PR interval in 2(2.43%). Temporary pacing was done in 70 (85.36%). Congenital heart block was reported in only one patient (1.21%), while familial heart block had not been reported. Critical IHD had been seen in 20(24.39%). Acute MI was founded in one case (1.21%) only.  Permanent pacemaker had been implanted in 74 (90.24%) of patients. The highest rates of heart block had been shown in elderly patients and mostly of the white race.  Sex has no an impact on the incidence of heart block. Dizziness was a common presenting symptom. Most of events were insidious. The majority of our cases of heart block were of 3rd degree type. Ischemic heart diseases precede the event in about a quarter of our cases, also DM and hypertension are commonly preceding the occurrence of heart block. Drugs although rarely encountered as a cause of heart block in our series but should be taken into consideration. Congenital heart block was extremely rare and so also the familial type which had not be encountered in our cases. Temporary pacing as a bridge for permanent pacing was commonly used. Cardiac biomarkers were nearly normal in all our patients. Holter study showed AV block to be more common than Sick sinus syndrome in those cases studied by this test. No need to perform treadmill test in most of our cases. Coronary angiography is required to be performed according to the recommended guidelines and IHD was reported in a quarter of our cases. Acute myocardial infarction was rare as a cause of heart block necessitating a permanent pacing.

Keywords: Heart block, Ischemic heart disease, Sick sinus syndrome, Coronary angiography, Atrioventricular

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