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1.
Birth Defects Res ; 110(16): 1233-1240, 2018 10 02.
Article in English | MEDLINE | ID: mdl-30230273

ABSTRACT

BACKGROUND: Congenital heart diseases (CHDs) affect ~1% of newborns and are a significant cause of morbidity and mortality in children. We present the clinical epidemiology of CHD as seen in a large university medical center in Nigeria. METHODS: Participants were 767 children with echocardiographically confirmed CHD seen over a 5-year period at the Lagos University Teaching Hospital, Nigeria. RESULTS: Clinical presentation was often late with just over half (58.1%) presenting in infancy. The male:female distribution was 1:1. The predominant types of cardiac lesion seen were septal defects (43%), conotruncal defects (23.7%), atrioventricular septal defects (9.8%), and right ventricular outflow tract obstruction (7.3%). Cyanotic CHD was seen in 28.4% of cases and the single most common cyanotic CHD was Tetralogy of Fallot (13.4%). Children with cyanotic CHD were older (p = .002), had more severe lesions (p < .0001) and were more likely to have cardiac intervention (p < .0001). Extracardiac malformations were present in nearly one-third of the children. Syndromes associated with CHD were identified in 15.5% of the children and included Down syndrome (11.9%), congenital rubella syndrome (1.0%), and Marfan syndrome (0.7%). CONCLUSIONS: This study is a large case series of CHD from a single site in sub-Saharan Africa utilizing clinical, epidemiological, and developmental considerations. It provides a rich and up-to-date description of the clinical epidemiology of CHD in Nigerian children while yielding data that could be useful for designing genetic, molecular, and biomarker studies.


Subject(s)
Heart Defects, Congenital/epidemiology , Heart Defects, Congenital/physiopathology , Adolescent , Child , Child, Preschool , Echocardiography , Female , Humans , Infant , Infant, Newborn , Male , Nigeria/epidemiology
2.
Contemp Clin Dent ; 8(4): 565-570, 2017.
Article in English | MEDLINE | ID: mdl-29326507

ABSTRACT

BACKGROUND: Long-term treatment of common chronic cardiac conditions such as hypertension with calcium channel blockers (CCBs) has long been associated with gingival hyperplasia. This oral side effect may affect esthetics and function, yet often overlooked and therefore underreported among Nigerians. AIM: This study aimed to determine the association of CCBs with gingival overgrowth (GO) in hypertensive patients. METHODS: This was a hospital-based, case-control study conducted among 116 hypertensive patients (58 CCB and 58 non-CCB age-matched controls) attending the medical outpatient clinic of a tertiary health institution in Lagos, Nigeria. Data collection tools included interviewer-administered questionnaires and periodontal examination. Sociodemographic details, medical history, and periodontal indices (gingival index, plaque index, class of GO according to drug-induced GO [DIGO] Clinical Index) were recorded. RESULTS: The mean age was 59.4 ± 12.6 years, females representing 50.9%. In the CCB group, 39 (67.2%) participants were on amlodipine and 19 (32.8%) were on nifedipine. The mean duration of CCB use was 55.6 ± 53 months. DIGO was higher in CCB (36.2%) than that in non-CCB participants (17.2%) (χ2 = 4.4, P = 0.036). The risk of GO was higher in CCB users (odds ratio [OR] 2.7, [95% confidence interval (CI)]: 1.1-6.5). Amlodipine users had higher DIGO (37.5%) than that of nifedipine users (21.1%) (OR 2.3, [95% CI]: 1.0-5.3). The predominant class of DIGO among the CCB users was Class 2 DIGO Clinical Index (90.5%). CONCLUSION: The study reveals that the risk of GO is nearly three times in CCB than that of non-CCB users and twice higher in amlodipine than nifedipine users in Nigeria.

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