Dataset Information

Prognostic Significance of Left Ventricular Mass Index and Renal Function Decline Rate in Chronic Kidney Disease G3 and G4.

ABSTRACT: The effect of left ventricular mass index (LVMI) and estimated glomerular filtration rate (eGFR) decline rate on outcome prediction in patients with chronic kidney disease (CKD) remains unclear. We included 306 CKD G3 and G4 patients with LVMI assessed through echocardiography. Rapid decline in renal function was defined as the eGFR slope <-3?mL/min/1.73?m²/year. Patients were stratified into four groups using sex-specific median values of LVMI and rapid eGFR decline. The composite outcome was progression to maintenance dialysis or death. 32 patients had the composite outcome during a median follow-up of 2.7 years. In multivariate Cox analysis, compared with patients with non-rapid eGFR decline and lower LVMI, those with non-rapid eGFR decline and higher LVMI (hazard ratio [HR]: 5.908, 95% confidence interval [CI]?=?1.304-26.780), rapid eGFR decline and lower LVMI (HR: 12.737, 95% CI?=?2.297-70.636), and rapid eGFR decline and higher LVMI (HR: 15.249, 95% CI?=?3.365-69.097) had an increased risk of progression to adverse outcomes. LVMI and eGFR decline synergistically effect the prognostic implications in CKD G3 and G4 patients.

SUBMITTER: Huang JC

PROVIDER: S-EPMC5307355 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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Prognostic Significance of Left Ventricular Mass Index and Renal Function Decline Rate in Chronic Kidney Disease G3 and G4.

Huang Jiun-Chi JC Chen Szu-Chia SC Tsai Yi-Chun YC Kuo I-Ching IC Chiu Yi-Wen YW Chang Jer-Ming JM Hwang Shang-Jyh SJ Chen Hung-Chun HC

Scientific reports 20170214

The effect of left ventricular mass index (LVMI) and estimated glomerular filtration rate (eGFR) decline rate on outcome prediction in patients with chronic kidney disease (CKD) remains unclear. We included 306 CKD G3 and G4 patients with LVMI assessed through echocardiography. Rapid decline in renal function was defined as the eGFR slope <-3 mL/min/1.73 m<sup>2</sup>/year. Patients were stratified into four groups using sex-specific median values of LVMI and rapid eGFR decline. The composite ou ...[more]

PMID: 28195182

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Project description:BackgroundElevated cardiovascular disease risk factor burden is a recognized contributor to poorer cognitive function; however, the physiological mechanisms underlying this association are not well understood. We sought to assess the potential mediation effect of left ventricular (LV) remodeling on the association between lifetime systolic blood pressure and cognitive function in a community-based cohort of middle-aged adults.MethodsNine hundred sixty participants of the Bogalusa Heart Study (59.2% women, 33.8% black, aged 48.4±5.1 years) received 2-dimensional echocardiography to quantify relative wall thickness, LV mass, and diastolic and systolic LV function; and a standardized neurocognitive battery to assess memory, executive functioning, and language processing. Multivariable linear regression assessed the association of cardiac structure and function with a global composite cognitive function score, adjusting for traditional cardiovascular disease risk factors. Mediation analysis assessed the effect of LV mass index on the association between lifetime systolic blood pressure burden and cognitive function.ResultsThere were 233 (24.3%) and 136 (14.2%) individuals with concentric LV remodeling and concentric LV hypertrophy, respectively. Each g/m2.7 increment in LV mass index was associated with a 0.03 standardized unit decrement in global cognitive function (P=0.03). Individuals with concentric LV remodeling and isolated diastolic dysfunction had the poorest cognitive function, and a greater ratio between early mitral inflow velocity and early diastolic mitral annular velocity (E/e') was associated with poorer cognitive function, even after adjustment for LV mass index (B=-0.12; P=0.03). A total of 18.8% of the association between lifetime systolic blood pressure burden and midlife cognitive function was accounted for by LV mass index.ConclusionsCardiac remodeling partially mediates the association between lifespan systolic blood pressure burden and adult cognition in individuals without dementia or clinical cardiovascular disease. Slowing or reversing the progression of cardiac remodeling in middle-age may be a novel therapeutic approach to prevent cognitive decline.

Project description:Background: Elevated blood pressure (BP) is associated with target organ damage, such as left ventricular hypertrophy (LVH), in childhood. However, it is unclear if children who resolve elevated BP have reduced levels of left ventricular mass index (LVMI). This study aimed to examine the association between change in BP status over 2 years and LVMI among Chinese children. Methods: Data were from 1,183 children aged 6-11 years at baseline in 2017 who were followed up in 2019 in the Huantai Childhood Cardiovascular Health Cohort Study. Change in BP status over 2 years from baseline to follow-up was categorized as: persistent normal BP, resolved elevated BP (elevated BP at baseline, normal BP at follow-up), incident elevated BP (normal BP at baseline, elevated BP at follow-up), and persistent elevated BP. Elevated BP status was defined according to national reference standards as systolic or diastolic BP levels ≥ sex-, age-, and height-specific 95th percentiles. Results: LVMI levels were lowest in children with persistent normal BP (30.13 g/m2.7), higher in those with incident elevated BP (31.27 g/m2.7), and highest in those with persistent elevated BP (33.26 g/m2.7). However, LVMI levels in those who had resolved elevated BP (30.67 g/m2.7) were similar to those with persistent normal BP. In the fully adjusted model, compared with children with persistent normal BP, those with persistent elevated BP and incident elevated BP had higher LVMI at follow-up (ß = 3.131, p < 0.001; ß = 1.143, p = 0.041, respectively). In contrast, those who had resolved elevated BP did not have a significantly higher LVMI (ß = 0.545, p = 0.194) than those with persistent normal BP. Conclusion: Developing or maintaining elevated BP over a 2-year period in childhood associated with higher levels of LVMI, but those able to resolve their elevated BP status over the same period had LVMI levels that were similar with those who had normal BP at both time points. Thus, it is important to identify children with elevated BP at early time and to take effective measures to lower their BP levels, thereby reducing high LVMI levels and related cardiovascular diseases in the future.

Dataset Information

Prognostic Significance of Left Ventricular Mass Index and Renal Function Decline Rate in Chronic Kidney Disease G3 and G4.

Publications

Prognostic Significance of Left Ventricular Mass Index and Renal Function Decline Rate in Chronic Kidney Disease G3 and G4.

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