Depressive Symptoms and 24-Hour Ambulatory Blood Pressure in Africans: The SABPA Study

Hamer, Mark; Frasure-Smith, Nancy; Lespérance, François; Harvey, Brian H.; Malan, Nico; Malan, Leoné

doi:10.1155/2012/426803

Cited by 8 publications

(11 citation statements)

References 38 publications

(37 reference statements)

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“…While not yet shown in adolescents, three studies of older adult populations have revealed higher nocturnal BP levels and smaller BP decline in those experiencing high levels of depressive symptoms (Hamer et al, 2012;Scuteri, 2009;Watanabe et al, 2002). This suggests that depressive symptoms have a negative effect on the cardiovascular system during sleep.…”

Section: Introductionmentioning

confidence: 99%

Nocturnal indicators of increased cardiovascular risk in depressed adolescent girls

Waloszek

Woods

Byrne

et al. 2015

Journal of Sleep Research

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SUMMARYDepression is an independent risk factor for cardiovascular disease in adults, and recent literature suggests preclinical signs of cardiovascular risk are also present in depressed adolescents. No study has examined the effect of clinical depression on cardiovascular factors during sleep. This study examined the relationship between clinical depression and nocturnal indicators of cardiovascular risk in depressed adolescent girls from the general community (13-18 years old; 11 clinically depressed, eight healthy control). Continuous beat-to-beat finger arterial blood pressure and heart rate were monitored via Portapres and electrocardiogram, respectively. Cardiovascular data were averaged over each hour for the first 6 h of sleep, as well as in 2-min epochs of stable sleep that were then averaged within sleep stages. Data were also averaged across 2-min epochs of pre-sleep wakefulness and the first 5 min of continuous nonrapid eye movement sleep to investigate the blood pressure dipping response over the sleep-onset period. Compared with controls, depressed adolescents displayed a similar but significantly elevated blood pressure profile across sleep. Depressed adolescents had significantly higher systolic and diastolic blood pressure and mean arterial pressures across the entire night (P < 0.01), as well as during all sleep stages (P < 0.001). Depressed adolescents also had higher blood pressure across the sleeponset period, but the groups did not differ in the rate of decline across the period. Higher blood pressure during sleep in depressed adolescent females suggests that depression has a significant association with cardiovascular functioning during sleep in adolescent females, which may increase risk for future cardiovascular pathology.

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Section: Introductionmentioning

confidence: 99%

Nocturnal indicators of increased cardiovascular risk in depressed adolescent girls

Waloszek

Woods

Byrne

et al. 2015

Journal of Sleep Research

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“…13,19,20 These factors, plus smoking, account for around 90% of myocardial infarction in African populations, with a history of hypertension seeming to exert a more prominent effect in black Africans. Moreover, they are less likely to have their blood pressure controlled when on medication and have an increased prevalence of undiagnosed hypertension.…”

Section: Discussionmentioning

confidence: 99%

“…13 Given the paucity of multi-ethnic data examining ABPM and the MBPS calculated using this novel approach, we postulated that the power of the morning surge and rate of morning rise in blood pressure will be different in black and white participants. 13 Given the paucity of multi-ethnic data examining ABPM and the MBPS calculated using this novel approach, we postulated that the power of the morning surge and rate of morning rise in blood pressure will be different in black and white participants.…”

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confidence: 99%

Ambulatory blood pressure monitoring and morning surge in blood pressure in adult black and white South Africans

Lambert

Head

Chen

et al. 2019

J of Clinical Hypertension

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We examined whether there were differences in the circadian variation in blood pressure and the morning surge in blood pressure between black and white Africans.Clinic and ambulatory blood pressure data obtained from the Sympathetic Activity and Ambulatory Blood Pressure in Africans (SABPA) study was examined (n = 406; 49% black African). Ambulatory blood pressure readings were fitted to a six-parameter double logistic equation to determine the power and rate of the morning surge in blood pressure. Multiple linear regression analysis was used to examine differences in blood pressure between black and white participants. Clinic and ambulatory blood pressure were higher in black participants throughout the day and night. In those taking medications, blood pressure was less well controlled in black subjects.Despite the higher systolic blood pressure, the day-night difference estimated by the logistic function was similar in black and white participants. However, the rate of rise and power in the morning surge in blood pressure was lower in black participants.We conclude that black participants of the SABPA study present with higher blood pressure throughout the day and night but have a lower power of the morning surge in blood pressure due to a slower morning rate of increase. Moreover, they had an increased prevalence of undiagnosed hypertension and, in those taking medication, were less likely to have their blood pressure controlled than their white counterparts.

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“…Numerous studies of depression have shown its association with HTN (Artinian, Washington, Flack, Hockman, & Jen, 2006;Davidson, Jonas, Dixon, & Markovitz, 2000;Hamer et al, 2012;Jonas & Lando, 2000;Reiff, Schwartz, & Northridge, 2001;Wu, Prosser, & Taylor, 2010), particularly for Blacks (Davidson et al, 2000;Jonas & Lando, 2000;Pickering, 2000). Depression can lead to HTN (Charlson, Stapelberg, Baxter, & Whiteford, 2011;Pickering, 2001a), and HTN can exacerbate depression (Centers for Disease Control and Prevention, 2010;Chapman, Perry, & Strine, 2005;Pickering, 2000).…”

Section: Link Between Depression and Hypertension (Htn)mentioning

confidence: 99%

“…Individuals who demonstrate an inability to handle stress tend to suffer more from depression (Dragan & Akhtar-Danesh, 2007). Also, research suggests that depression may predispose an individual to HTN (Centers for Disease Control and Prevention, 2010;Hamer et al, 2012;Jonas & Lando, 2000;McEwen, 2005;Pickering, 2001a;Schneider et al, 2001;Wu et al, 2010).…”

Section: Stressors and Copingmentioning

confidence: 99%

Predictors of Depression in Black Women with Hypertension

Abel

Crane

McCoy

2014

Issues in Mental Health Nursing

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Black women have the highest prevalence of hypertension in the world, and depression is associated with both hypertension and lack of health promoting behaviors. Thus, it is important to identify factors that may contribute to depression in hypertensive women. This cross-sectional study was conducted with a convenience sample of 80 black women ages 18-60 who were prescribed anti-hypertensive medication. Data were collected using self-report instruments. The study showed that lower income level, greater number of comorbidities, lower active coping scores, and poorer medication adherence were significantly associated with higher depression scores. These findings have important implications for the development of screening protocols and interventions for black women.

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Depressive Symptoms and 24-Hour Ambulatory Blood Pressure in Africans: The SABPA Study

Cited by 8 publications

References 38 publications

Nocturnal indicators of increased cardiovascular risk in depressed adolescent girls

Nocturnal indicators of increased cardiovascular risk in depressed adolescent girls

Ambulatory blood pressure monitoring and morning surge in blood pressure in adult black and white South Africans

Predictors of Depression in Black Women with Hypertension

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