Background: Blood pressure is an important and modifiable cardiovascular risk factor. Ambulatory blood pressure monitoring (ABPM) provides valuable prognostic information in patients with chronic kidney disease (CKD), yet little is known about the association of various types of BP measurements with target organ damage (TOD) in patients with primary glomerular disease. The goal of this study was to investigate whether ambulatory blood pressure is better associated with TOD than clinic blood pressure in patients with primary glomerular disease.
Methods: 1178 patients with primary glomerular disease were recruited in this cross-sectional study. TOD were assessed by the following 4 parameters: left ventricular mass index (LVMI or LVH, left ventricular hypertrophy), estimated glomerular filtration rate (eGFR<60ml/min/1.73m 2 ), albumin-to-creatinine ratio (ACR≥30mg/g) and carotid intima-media thickness (cIMT) or plaque. Receiver operating characteristic (ROC) curve and multivariate logistic regression analyses were used to evaluate the relationship between ambulatory or clinic systolic blood pressure (SBP) indexes and TOD.
Results: Among 1178 patients (mean age, 39 years,54% men), 116, 458, 1031 and 251 patients had LVH, eGFR < 60 ml/min/1.73m 2 , ACR≥30mg/g and cIMT≥0.9mm or plaque respectively. Area under ROC curves for TOD in ambulatory SBP, especially nighttime SBP, was greater than that in clinic SBP ( P <0.05). Multivariate logistic regression analyses showed that 24h SBP, daytime SBP and nighttime SBP were significantly associated with LVH, eGFR<60 ml/min/1.73m 2 and ACR≥30mg/g after adjustment for clinic SBP, while the association of clinic SBP was attenuated after further adjustment for nighttime SBP.
Conclusions: Ambulatory blood pressure, especially nighttime blood pressure, is superior to clinic blood pressure in estimating TOD in patients with primary glomerular disease.
Key Words: Ambulatory blood pressure, Clinic blood pressure, Target organ damage, Primary glomerular disease
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On 03 Aug, 2020
Received 30 Jul, 2020
On 14 Jul, 2020
On 13 Jul, 2020
Invitations sent on 13 Jul, 2020
On 13 Jul, 2020
Received 13 Jul, 2020
On 12 Jul, 2020
On 12 Jul, 2020
Posted 09 Jan, 2020
On 18 Jun, 2020
Received 24 May, 2020
On 14 Apr, 2020
Received 21 Mar, 2020
On 10 Mar, 2020
Invitations sent on 05 Feb, 2020
On 16 Dec, 2019
On 15 Dec, 2019
On 15 Dec, 2019
On 12 Dec, 2019
On 03 Aug, 2020
Received 30 Jul, 2020
On 14 Jul, 2020
On 13 Jul, 2020
Invitations sent on 13 Jul, 2020
On 13 Jul, 2020
Received 13 Jul, 2020
On 12 Jul, 2020
On 12 Jul, 2020
Posted 09 Jan, 2020
On 18 Jun, 2020
Received 24 May, 2020
On 14 Apr, 2020
Received 21 Mar, 2020
On 10 Mar, 2020
Invitations sent on 05 Feb, 2020
On 16 Dec, 2019
On 15 Dec, 2019
On 15 Dec, 2019
On 12 Dec, 2019
Background: Blood pressure is an important and modifiable cardiovascular risk factor. Ambulatory blood pressure monitoring (ABPM) provides valuable prognostic information in patients with chronic kidney disease (CKD), yet little is known about the association of various types of BP measurements with target organ damage (TOD) in patients with primary glomerular disease. The goal of this study was to investigate whether ambulatory blood pressure is better associated with TOD than clinic blood pressure in patients with primary glomerular disease.
Methods: 1178 patients with primary glomerular disease were recruited in this cross-sectional study. TOD were assessed by the following 4 parameters: left ventricular mass index (LVMI or LVH, left ventricular hypertrophy), estimated glomerular filtration rate (eGFR<60ml/min/1.73m 2 ), albumin-to-creatinine ratio (ACR≥30mg/g) and carotid intima-media thickness (cIMT) or plaque. Receiver operating characteristic (ROC) curve and multivariate logistic regression analyses were used to evaluate the relationship between ambulatory or clinic systolic blood pressure (SBP) indexes and TOD.
Results: Among 1178 patients (mean age, 39 years,54% men), 116, 458, 1031 and 251 patients had LVH, eGFR < 60 ml/min/1.73m 2 , ACR≥30mg/g and cIMT≥0.9mm or plaque respectively. Area under ROC curves for TOD in ambulatory SBP, especially nighttime SBP, was greater than that in clinic SBP ( P <0.05). Multivariate logistic regression analyses showed that 24h SBP, daytime SBP and nighttime SBP were significantly associated with LVH, eGFR<60 ml/min/1.73m 2 and ACR≥30mg/g after adjustment for clinic SBP, while the association of clinic SBP was attenuated after further adjustment for nighttime SBP.
Conclusions: Ambulatory blood pressure, especially nighttime blood pressure, is superior to clinic blood pressure in estimating TOD in patients with primary glomerular disease.
Key Words: Ambulatory blood pressure, Clinic blood pressure, Target organ damage, Primary glomerular disease
Figure 1
Figure 2
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