Modifying Dietary Behavior in Adolescents with Elevated Blood Pressure

改变血压升高青少年的饮食行为

• 批准号: 7382610
• 负责人: Sarah Collins Couch
• 金额: $ 37.73万
• 依托单位: UNIVERSITY OF CINCINNATI
• 依托单位国家: 美国
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-02-01 至 2013-01-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/7382610
• 关键词: Address; Adherence; Adolescence; Adolescent; Adult; Advocate; Affect; Atherosclerosis; Behavior; Behavioral; Blood; Blood Pressure; Blood Vessels; Cardiac; Cardiovascular Diseases; Cardiovascular Physiology; Cardiovascular system; Caring; Child; Childhood; Clinical; Clinical Markers; Clinical Trials; Condition; Counseling; Dairy Products; Data; Development; Diagnosis; Diet; Diet Habits; Dietary Intervention; Dietary intake; Dietitian; Disease; Early Intervention; Education; Epidemic; Essential Hypertension; Event; Fatty acid glycerol esters; Food; Frequencies; Future; Goals; Guidelines; Health; Heart; High Blood Pressure; Hypertension; Hypotension; Incidence; Individual; Institutes; Intake; Intervention; Knowledge; Life; Life Style; Link; Long-Term Effects; Lung; Mails; Measures; Monitor; Numbers; Nutrient; Obesity; Outcome; Outcome Measure; Participant; Patients; Pattern; Performance; Persons; Population; Prevalence; Prevention intervention; Prevention strategy; Purpose; Randomized; Randomized Controlled Clinical Trials; Range; Rare Diseases; Recommendation; Reporting; Research; Risk; Sodium; Staging; Target Populations; Teenagers; Telephone; Testing; Therapeutic; Treatment Protocols; Vascular System; Week; Youth; base; clinical efficacy; design; expectation; follow-up; food surveillance; fruits and vegetables; improved; indexing; lifestyle intervention; nutrition; nutrition education; pre-clinical; prescription document; prescription procedure; prevent; programs; skills

DESCRIPTION (provided by applicant): Hypertension in youth is no longer a rare disease and the number of affected children and adolescents is growing with the evolving pediatric obesity epidemic in the US. Hypertension tracks from adolescence into adulthood and has been linked with preclinical indicators of adverse cardiovascular events in adults. Early prevention and intervention efforts are needed to address this increasing public and individual health problem. Preliminary studies from our research group demonstrate promising short-term effects of a behavioral nutrition intervention emphasizing a diet high in fruits, vegetables, and low fat dairy that is also low in fat and sodium (the DASH diet) on lowering blood pressure (BP) in adolescents. The purpose of this application is to extend these findings by examining the long term effects of an improved 24-week clinically-based behavioral nutrition intervention emphasizing the DASH diet (the DASH-4-Teens intervention) compared to routine nutrition care intervention on changing diet quality, BP, hypertension status, and vascular function in adolescents with elevated BP. The primary objectives of this study are two-fold: 1) to determine the impact of the intervention on dietary intake, BP, hypertension status, and vascular function immediately post-treatment and at 1 year follow-up, and 2) to examine the relationship between intervention adherence and diet, BP and vascular outcomes. Adolescents with diagnosed pre-hypertension and stage 1 hypertension will be randomly assigned to receive either the DASH-4-Teens intervention or routine nutrition care. The DASH-4-Teens intervention will include individual in-person nutrition counseling sessions, behavioral counseling telephone calls, and mailings. Routine nutrition care will include individual in-person counseling sessions on guidelines consistent with the Fourth Pediatric Report of the National High Blood Pressure Education Program. Primary outcomes will be measured in both conditions at 6 months (post-treatment) and at 1 year follow-up. Adherence to treatment will be measured as diet-related goals met, counseling session attendance, and telephone call and food monitoring completion. Findings are expected to improve the treatment of hypertensive adolescents in the clinical setting and contribute to the enhancement of the cardiovascular health of this population. Narrative: Hypertension can have deleterious effects on the cardiac and vascular systems in youth, yet there is a lack of proven effective treatment strategies for managing high blood pressure and restoring impaired cardiovascular function in early life. Strides in developing effective and generalizable treatment protocols for pediatric hypertension are urgently needed. A positive outcome from this clinical trial could have profound implications for future research and treatment recommendations for early intervention in managing primary hypertension.

描述（由申请人提供）：青少年高血压不再是一种罕见疾病，随着美国儿童肥胖流行病的不断发展，受影响的儿童和青少年数量也在不断增加。高血压从青春期一直持续到成年期，并与成人不良心血管事件的临床前指标相关。需要早期预防和干预工作来解决这一日益严重的公共和个人健康问题。我们研究小组的初步研究表明，行为营养干预强调富含水果、蔬菜和低脂乳制品、低脂肪和低钠的饮食（DASH 饮食），对降低青少年血压 (BP) 具有良好的短期效果。本申请的目的是通过检查改进的 24 周临床行为营养干预（强调 DASH 饮食（DASH-4-Teens 干预）与常规营养护理干预对改变血压升高青少年的饮食质量、血压、高血压状态和血管功能的长期影响）来扩展这些发现。本研究的主要目标有两个：1) 确定干预对治疗后和 1 年随访时的饮食摄入、血压、高血压状况和血管功能的影响；2) 检查干预依从性与饮食、血压和血管结果之间的关系。诊断为高血压前期和 1 期高血压的青少年将被随机分配接受 DASH-4-Teens 干预或常规营养护理。 DASH-4-Teens 干预措施将包括个人面对面营养咨询课程、行为咨询电话和邮件。常规营养护理将包括根据国家高血压教育计划第四份儿科报告的指导方针进行个人面对面咨询。主要结局将在 6 个月（治疗后）和 1 年随访时在这两种情况下进行测量。治疗的依从性将通过饮食相关目标的实现、咨询会议的出席率、电话通话和食物监测的完成情况来衡量。研究结果有望改善临床环境中青少年高血压的治疗，并有助于增强该人群的心血管健康。 叙述：高血压会对青少年的心脏和血管系统产生有害影响，但目前缺乏经过验证的有效治疗策略来控制高血压和恢复生命早期受损的心血管功能。迫切需要在制定有效且通用的儿童高血压治疗方案方面取得进展。这项临床试验的积极结果可能会对未来的研究和早期干预原发性高血压的治疗建议产生深远的影响。