L'objectif de cette étude est de contribuer à l'amélioration de la prise en charge des patients porteurs de cardiomyopathies dilatées (CMD) à Brazzaville. Cette étude, prospective et analytique, a été réalisée au CHU de Brazzaville entre le 1 er Janvier 2014 et le 30 Juin 2015. Elle a inclus les patients hospitalisés dans le service de cardiologie pour une insuffisance cardiaque (IC) en rapport avec une CMD. L'étude a porté sur 100 patients. La fréquence hospitalière de la CMD était de 32,1%. Il s'agissait de 38 hommes (38%) et 62 femmes (62%), âgés en moyenne de 52,9 ± 17,1 ans. L'IC était globale dans 72 cas (72%). L'ECG s'inscrivait en rythme sinusal (95%), et objectivait une hypertrophie ventriculaire gauche (40%), un bloc de branche gauche (16%), et une fibrillation auriculaire (5%). La fraction d'éjection du ventricule gauche (VG) était en moyenne de 33,4 ± 6,8%, et le diamètre télédiastolique du VG de 65,5 ± 7,0 mm. Le traitement comportait un diurétique de l'anse (100%), un IEC/ARA2 (100%), un bêtabloquant (38%), un digitalique (30%), un anti-aldostérone (16%), et un anti-vitamine K (11%). Au terme d'un suivi de 12 mois, le taux de létalité globale était de 9%, le taux de réhospitalisation de 12%, et le taux de perdus de vue de 41%. Cette étude a montré que la CMD est une affection fréquente, et une des principales causes d'insuffisance cardiaque. La durée de suivi brève et le nombre important de perdus de vue ne permettent pas d'en évaluer la survie dans notre contexte.
Objectives: To describe the epidemiological, clinical and etiological aspects of rhythmic emergencies at the University Hospital of Brazzaville. Patients and Methods: This was a retrospective descriptive study conducted in the cardiology and internal medicine department of the University Hospital of Brazzaville from January 1, 2014 to June 30, 2016. Were included, all patients admitted for a severe rhythm disorder diagnosed on the surface electrocardiogram. Rhythmic emergency was defined as a severe rhythm disorder of abrupt onset and required rapid management. Data entry and analysis were performed with Epi Info software version 3.5.1. Results: During the study period, 2269 patients were hospitalized, including 138 for a rhythmic emergency. The frequency of rhythmic emergencies was 6.1%. The patients were divided into 76 women and 62 men (sex ratio = 0.81). The mean age of the patients was 63.1 ± 16.9 years (extremes: 17 and 91 years). The socio-economic level was low for 103 patients (74.6%), medium for 26 (17.7%), and high for nine (6.6%). The average time to consultation was 13.7 ± 12.3 days. On admission, the signs were: heart failure (103 cases; 74.6%) including 22 acute cases; dyspnea (94 cases; 68%); palpitations (38 cases; 27.5%); functional impotence (13 cases; 9.4%); collapse (nine cases; 6.5%); chest pain (two cases; 1.4%). The type of rhythmic emergency was: rapid atrial fibrillation (103 cases; 74.6%), ventricular tachycardia (14 cases; 10.1%), junctional tachycardia (10 cases; 7.2%), rapid atrial flutter (10 cases; 7.2%), tachysystole
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