Cardiac Arrhythmias in the Emergency Settings of Acute Coronary
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Acute Coronary Syndrome in Young Sub-Saharan Africans: A
Sarr et al. BMC Cardiovascular Disorders 2013, 13:118 http://www.biomedcentral.com/1471-2261/13/118 RESEARCH ARTICLE Open Access Acute coronary syndrome in young Sub-Saharan Africans: A prospective study of 21 cases Moustapha Sarr1, Djibril Mari Ba1, Mouhamadou Bamba Ndiaye1*, Malick Bodian1, Modou Jobe1, Adama Kane1, Maboury Diao1, Alassane Mbaye2, Mouhamadoul Mounir Dia1, Soulemane Pessinaba1, Abdoul Kane2 and Serigne Abdou Ba1 Abstract Background: Coronary heart disease remains the leading cause of death in developed countries. In Africa, the disease continues to rise with varying rates of progression in different countries. At present, there is little available work on its juvenile forms. The objective of this work was to study the epidemiological, clinical and evolutionary aspects of acute coronary syndrome in young Sub-Saharan Africans. Methods: This was a prospective multicenter study done at the different departments of cardiology in Dakar. We included all patients of age 40 years and below, and who were admitted for acute coronary syndrome between January 1st, 2005 and July 31st, 2007. We collected and analyzed the epidemiological, clinical, paraclinical and evolutionary data of the patients. Results: Hospital prevalence of acute coronary syndrome in young people was 0.45% (21/4627) which represented 6.8% of all cases of acute coronary syndrome admitted during the same period. There was a strong male predominance with a sex-ratio (M:F) of 6. The mean age of patients was 34 ± 1.9 years (range of 24 and 40 years). The main risk factor was smoking, found in 52.4% of cases and the most common presenting symptom was chest pain found in 95.2% of patients. -
Clinical Study of the Acute Effects of Intravenous Nifekalant on the Defibrillation Threshold in Patients with Persistent and Paroxysmal Atrial Fibrillation
Circ J 2008; 72: 76–80 Clinical Study of the Acute Effects of Intravenous Nifekalant on the Defibrillation Threshold in Patients With Persistent and Paroxysmal Atrial Fibrillation Kaoru Okishige, MD; Hiroki Uehara, MD; Naoto Miyagi, MD; Kentarou Nakamura, MD; Kouji Azegami, MD; Hirofumi Wakimoto, MD; Kageyuki Ohba, MD; Kenzo Hirao, MD*; Mitsuo Shimabukuro, MD**; Mistuaki Isobe, MD* Background Antiarrhythmic agents are considered to have significant effects on the defibrillation energy re- quirement, so this study investigated the effects of nifekalant on defibrillation. Methods and Results Forty-two patients with persistent atrial fibrillation (AF) underwent electrical cardiover- sion via intracardiac electrode catheters prior to and after the intravenous administration of nifekalant. The suc- cess rate of the defibrillation and change in the defibrillation threshold using sequential incremental defibrillation energy deliveries was investigated. In addition, the parameters that could predict the beneficial effects of nifekalant were also assessed. Nifekalant significantly decreased the defibrillation energy requirement in 13 of the 42 cases, and nifekalant also converted AF to sinus rhythm with an identical energy to that of the last unsuccessful defib- rillation in 21 of 42 cases. The success of defibrillation seemed to be dependent on significant prolongation of the intracardiac atrial electrogram intervals during AF by the nifekalant. Conclusions Intravenous nifekalant significantly improved the electrical defibrillation efficacy in patients with persistent -