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Wei Y, Wang Z, He Q, Siddiqi SM, Zhou Z, Liu L, Song Y, Chen P, Li J, Zhang Y, Mao G, Wang B, Tang G, Qin X, Xu X, Huo Y, Guo H, Zhang H. Inverse Association between Plasma Phylloquinone and Risk of Ischemic Stroke in Chinese Adults with Hypertension and High BMI: A Nested Case-Control Study. J Nutr 2022; 152:1927-1935. [PMID: 35660920 DOI: 10.1093/jn/nxac131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/26/2022] [Accepted: 06/01/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Evidence on the association between phylloquinone status and cardiovascular diseases is scarce and conflicting. These inconsistencies may be due to differences in individual characteristics of the study populations, which may modify the association. OBJECTIVE This study aimed to evaluate the association between plasma phylloquinone and the risk of first total stroke and its subtypes, and to examine potential effect modifications by BMI in patients with hypertension. METHODS We performed a nested case-control study including 604 first stroke cases and 604 matched controls. The mean age was 62.2 y (range, 45 to 75). Lower BMI was defined as <25 kg/m2 and higher BMI was defined as ≥25 kg/m2. The risks of the first stroke were estimated by ORs and 95% CIs using conditional logistic regression. The primary outcome was total stroke or ischemic stroke. RESULTS The relation between log-transformed phylloquinone concentration and stroke or ischemic stroke was modified by BMI. Higher phylloquinone concentrations were associated with lower stroke risk in those with a higher BMI. When plasma phylloquinone was assessed as tertiles, the adjusted ORs of first stroke and ischemic stroke for participants with a high BMI in tertile 2-3 were 0.70 (95% CI: 0.46, 1.08) and 0.57 (95% CI: 0.35, 0.92) compared with those in tertile 1, respectively. However, there was no significant association between plasma phylloquinone and risk of first total stroke or ischemic stroke for those with a lower BMI. Patients with a higher BMI and lower phylloquinone concentrations had the highest risk of ischemic stroke and showed a statistically significant difference compared with the reference group with a lower BMI and higher phylloquinone (OR = 1.80, 95% CI: 1.06, 3.10; P-interaction: 0.017). CONCLUSIONS In Chinese patients with hypertension, there was an inverse association between baseline plasma phylloquinone and risk of first ischemic stroke among those with a higher BMI. This trial was registered at clinicaltrials.gov as NCT00794885.
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Affiliation(s)
- Yaping Wei
- Key Laboratory of Precision Nutrition and Food Quality, Ministry of Education, Department of Nutrition and Health, College of Food Sciences and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Zhuo Wang
- Key Laboratory of Precision Nutrition and Food Quality, Ministry of Education, Department of Nutrition and Health, College of Food Sciences and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Qiangqiang He
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China.,Shenzhen Evergreen Medical Institute, Shenzhen, China
| | - Sultan Mehmood Siddiqi
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China.,Shenzhen Evergreen Medical Institute, Shenzhen, China
| | - Ziyi Zhou
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China.,Shenzhen Evergreen Medical Institute, Shenzhen, China
| | - Lishun Liu
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China.,Shenzhen Evergreen Medical Institute, Shenzhen, China
| | - Yun Song
- Shenzhen Evergreen Medical Institute, Shenzhen, China.,Institute for Biomedicine, Anhui Medical University, Hefei, China
| | - Ping Chen
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Jianping Li
- Department of Cardiology, Peking University First Hospital, Beijing, China
| | - Yan Zhang
- Department of Cardiology, Peking University First Hospital, Beijing, China
| | - Guangyun Mao
- Department of Preventive Medicine, School of Public Health & Management, Wenzhou Medical University, Wenzhou, China
| | - Binyan Wang
- Institute for Biomedicine, Anhui Medical University, Hefei, China
| | - Genfu Tang
- School of Health Administration, Anhui Medical University, Hefei, China
| | - Xianhui Qin
- National Clinical Research Center for Kidney Disease, State Key Laboratory for Organ Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiping Xu
- Key Laboratory of Precision Nutrition and Food Quality, Ministry of Education, Department of Nutrition and Health, College of Food Sciences and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Yong Huo
- Department of Cardiology, Peking University First Hospital, Beijing, China
| | - Huiyuan Guo
- Key Laboratory of Precision Nutrition and Food Quality, Ministry of Education, Department of Nutrition and Health, College of Food Sciences and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Hao Zhang
- Key Laboratory of Precision Nutrition and Food Quality, Ministry of Education, Department of Nutrition and Health, College of Food Sciences and Nutritional Engineering, China Agricultural University, Beijing, China
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