Awaking Blood Pressure Surge and Progression to Microalbuminuria in Type 2 Normotensive Diabetic Patients

Background. We investigated the predictive value of morning blood pressure surge (MBPS) on the development of microalbuminuria in normotensive adults with a recent diagnosis of type 2 diabetes. Methods. Prospective assessments of 24-hour ambulatory blood pressure monitoring and urinary albumin excre...

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Main Authors: Michelangela Barbieri, Maria Rosaria Rizzo, Ilaria Fava, Celestino Sardu, Nicola Angelico, Pasquale Paolisso, Angela Abbatecola, Giuseppe Paolisso, Raffaele Marfella
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Journal of Diabetes Research
Online Access:http://dx.doi.org/10.1155/2016/5876792
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author Michelangela Barbieri
Maria Rosaria Rizzo
Ilaria Fava
Celestino Sardu
Nicola Angelico
Pasquale Paolisso
Angela Abbatecola
Giuseppe Paolisso
Raffaele Marfella
author_facet Michelangela Barbieri
Maria Rosaria Rizzo
Ilaria Fava
Celestino Sardu
Nicola Angelico
Pasquale Paolisso
Angela Abbatecola
Giuseppe Paolisso
Raffaele Marfella
author_sort Michelangela Barbieri
collection DOAJ
description Background. We investigated the predictive value of morning blood pressure surge (MBPS) on the development of microalbuminuria in normotensive adults with a recent diagnosis of type 2 diabetes. Methods. Prospective assessments of 24-hour ambulatory blood pressure monitoring and urinary albumin excretion were performed in 377 adult patients. Multivariate-adjusted Cox regression models were used to assess hazard ratios (HRs) between baseline and changes over follow-up in MBPS and the risk of microalbuminuria. The MBPS was calculated as follows: mean systolic BP during the 2 hours after awakening minus mean systolic BP during the 1 hour that included the lowest sleep BP. Results. After a mean follow-up of 6.5 years, microalbuminuria developed in 102 patients. An increase in MBPB during follow-up was associated with an increased risk of microalbuminuria. Compared to individuals in the lowest tertile (−0.67±1.10 mmHg), the HR and 95% CI for microalbuminuria in those in the highest tertile of change (24.86±6.92 mmHg) during follow-up were 17.41 (95% CI 6.26–48.42); p for trend <0.001. Mean SD MBPS significantly increased in those who developed microalbuminuria from a mean [SD] of 10.6 [1.4] to 36.8 [7.1], p<0.001. Conclusion. An increase in MBPS is associated with the risk of microalbuminuria in normotensive adult patients with type 2 diabetes.
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spelling doaj-art-0eb8f86f7b124436bf62e741b6c5d1192025-02-03T07:26:12ZengWileyJournal of Diabetes Research2314-67452314-67532016-01-01201610.1155/2016/58767925876792Awaking Blood Pressure Surge and Progression to Microalbuminuria in Type 2 Normotensive Diabetic PatientsMichelangela Barbieri0Maria Rosaria Rizzo1Ilaria Fava2Celestino Sardu3Nicola Angelico4Pasquale Paolisso5Angela Abbatecola6Giuseppe Paolisso7Raffaele Marfella8Department of Medical, Surgical, Neurological, Metabolic and Geriatric Sciences, Second University of Naples, Piazza Miraglia 2, 80138 Naples, ItalyDepartment of Medical, Surgical, Neurological, Metabolic and Geriatric Sciences, Second University of Naples, Piazza Miraglia 2, 80138 Naples, ItalyDepartment of Medical, Surgical, Neurological, Metabolic and Geriatric Sciences, Second University of Naples, Piazza Miraglia 2, 80138 Naples, ItalyDepartment of Medical, Surgical, Neurological, Metabolic and Geriatric Sciences, Second University of Naples, Piazza Miraglia 2, 80138 Naples, ItalyEvangelical Hospital Villa Betania, Naples, ItalyDepartment of Medical, Surgical, Neurological, Metabolic and Geriatric Sciences, Second University of Naples, Piazza Miraglia 2, 80138 Naples, ItalyAlzheimer’s Disease Clinic, ASL Frosinone, Atina, ItalyDepartment of Medical, Surgical, Neurological, Metabolic and Geriatric Sciences, Second University of Naples, Piazza Miraglia 2, 80138 Naples, ItalyDepartment of Medical, Surgical, Neurological, Metabolic and Geriatric Sciences, Second University of Naples, Piazza Miraglia 2, 80138 Naples, ItalyBackground. We investigated the predictive value of morning blood pressure surge (MBPS) on the development of microalbuminuria in normotensive adults with a recent diagnosis of type 2 diabetes. Methods. Prospective assessments of 24-hour ambulatory blood pressure monitoring and urinary albumin excretion were performed in 377 adult patients. Multivariate-adjusted Cox regression models were used to assess hazard ratios (HRs) between baseline and changes over follow-up in MBPS and the risk of microalbuminuria. The MBPS was calculated as follows: mean systolic BP during the 2 hours after awakening minus mean systolic BP during the 1 hour that included the lowest sleep BP. Results. After a mean follow-up of 6.5 years, microalbuminuria developed in 102 patients. An increase in MBPB during follow-up was associated with an increased risk of microalbuminuria. Compared to individuals in the lowest tertile (−0.67±1.10 mmHg), the HR and 95% CI for microalbuminuria in those in the highest tertile of change (24.86±6.92 mmHg) during follow-up were 17.41 (95% CI 6.26–48.42); p for trend <0.001. Mean SD MBPS significantly increased in those who developed microalbuminuria from a mean [SD] of 10.6 [1.4] to 36.8 [7.1], p<0.001. Conclusion. An increase in MBPS is associated with the risk of microalbuminuria in normotensive adult patients with type 2 diabetes.http://dx.doi.org/10.1155/2016/5876792
spellingShingle Michelangela Barbieri
Maria Rosaria Rizzo
Ilaria Fava
Celestino Sardu
Nicola Angelico
Pasquale Paolisso
Angela Abbatecola
Giuseppe Paolisso
Raffaele Marfella
Awaking Blood Pressure Surge and Progression to Microalbuminuria in Type 2 Normotensive Diabetic Patients
Journal of Diabetes Research
title Awaking Blood Pressure Surge and Progression to Microalbuminuria in Type 2 Normotensive Diabetic Patients
title_full Awaking Blood Pressure Surge and Progression to Microalbuminuria in Type 2 Normotensive Diabetic Patients
title_fullStr Awaking Blood Pressure Surge and Progression to Microalbuminuria in Type 2 Normotensive Diabetic Patients
title_full_unstemmed Awaking Blood Pressure Surge and Progression to Microalbuminuria in Type 2 Normotensive Diabetic Patients
title_short Awaking Blood Pressure Surge and Progression to Microalbuminuria in Type 2 Normotensive Diabetic Patients
title_sort awaking blood pressure surge and progression to microalbuminuria in type 2 normotensive diabetic patients
url http://dx.doi.org/10.1155/2016/5876792
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