Ambulatory Blood Pressure Level Rather than Dipper/Nondipper Status Predicts Vascular Events in Type 2 Diabetic Subjects
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- NAKANO Shigeru
- Division of Endocrinology, the Department of Internal Medicine, Kanazawa Medical University
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- ITO Tomohiko
- Division of Endocrinology, the Department of Internal Medicine, Kanazawa Medical University
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- FURUYA Keisuke
- Division of Endocrinology, the Department of Internal Medicine, Kanazawa Medical University
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- TSUDA Shin-ichi
- Division of Endocrinology, the Department of Internal Medicine, Kanazawa Medical University
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- KONISHI Kazunori
- Division of Endocrinology, the Department of Internal Medicine, Kanazawa Medical University
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- NISHIZAWA Makoto
- Division of Endocrinology, the Department of Internal Medicine, Kanazawa Medical University
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- NAKAGAWA Atsushi
- Division of Endocrinology, the Department of Internal Medicine, Kanazawa Medical University
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- KIGOSHI Toshikazu
- Division of Endocrinology, the Department of Internal Medicine, Kanazawa Medical University
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- UCHIDA Kenzo
- Division of Endocrinology, the Department of Internal Medicine, Kanazawa Medical University
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To clarify which parameter, diurnal pattern of blood pressure (BP) or level of BP variability, has the stronger predictive value for fatal and nonfatal vascular events, vital status after a mean (±SD) follow-up period of 86±46 months was determined in 392 type 2 diabetic subjects without any history of vascular disease, in whom the 24-h BP profile had been monitored between 1988 and 1998. After the exclusion of 28 subjects who died during the follow-up period of causes unrelated to diabetes, 364 subjects were recruited for further analysis. A total of 147 first events, including 50 fatal vascular events and 97 nonfatal vascular events, were recorded during the follow-up period. The rates of various vascular events increased with both reduced nocturnal falls in systolic BP (SBP) and levels of all ambulatory BP parameters. The ambulatory BP parameter showing the largest area under the receiver operating characteristic curve (ROCAUC) for fatal events was the mean 24-h pulse pressure (PP), and that for nonfatal events was the mean nighttime SBP; both exceeded the respective values of nocturnal fall in SBP. Furthermore, when dipper and nondipper diabetic subjects were divided into subgroups based on the 24-h PP (54.3 mmHg) and the nighttime SBP (116.5 mmHg) cut-off points derived from the ROC analyses, Kaplan-Meier plots showed that the diabetic subgroups with high ambulatory BP levels had worse outcomes, independent of dipper/nondipper status. Finally, these parameters were applied to the Cox model with the values of nocturnal fall in SBP and other confounding factors, and results showed that mean 24-h PP and mean nighttime SBP predicted fatal and nonfatal vascular events, respectively, more strongly than nocturnal fall in SBP in type 2 diabetic subjects. These findings therefore suggest that ambulatory BP levels in type 2 diabetic subjects have a higher predictive value for organ damage and death compared with diurnal BP patterns or dipper/nondipper status. (Hypertens Res 2004; 27: 647-656)
収録刊行物
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- Hypertension Research
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Hypertension Research 27 (9), 647-656, 2004
日本高血圧学会
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詳細情報 詳細情報について
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- CRID
- 1390001204719500800
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- NII論文ID
- 130004437183
- 50000075196
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- NII書誌ID
- AA10847079
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- ISSN
- 13484214
- 09169636
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- PubMed
- 15750258
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可