- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT00005469
Maturational Changes in Cardiac Structures -- Blood Pressure Relationship -- SCOR in Hypertension
연구 개요
상세 설명
BACKGROUND:
Although excessive left ventricular mass has been viewed as an adaptation to increased blood pressure, it can precede the rise in blood pressure in hypertensive models. Excessive growth of the heart may reflect additional factors contributing to eventual level of blood pressure. In children, rapid heart growth may be predictive of subsequent high childhood blood pressure level and greater incidence of cardiovascular disease in adult relatives. These studies had the potential of defining maturational changes in known risk factors which might help predict future hypertensive disease.
The study was a subproject within a Specialized Center of Research (SCOR) in Hypertension. The Request for Applications for the SCOR was released in October, 1988.
DESIGN NARRATIVE:
A total of 124 prepubertal males and females were followed longitudinally for five years. Yearly examinations defined the stages of sexual maturation. On four occasions each year, subjects were studied for resting and ambulatory blood pressure, echocardiography, anthropometry and activity assessment. Once yearly, each subject had blood drawn for hormone analyses and whole blood viscosity estimate. From these data, growth velocities of the heart and rate of change of blood pressure were determined. These parameters were analyzed to determine if rapid growth of the heart preceded or followed the rise in blood pressure observed during puberty and body size and composition, sexual maturation and hormone changes, and sympathetic activity.
The study was a subproject within a SCOR in Hypertension. Approximately 7 percent of total dollars were awarded for this subproject.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
연구 유형
참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
공부 계획
연구는 어떻게 설계됩니까?
공동 작업자 및 조사자
간행물 및 유용한 링크
일반 간행물
- Mahoney LT, Clarke WR, Burns TL, Lauer RM. Childhood predictors of high blood pressure. Am J Hypertens. 1991 Nov;4(11):608S-610S. doi: 10.1093/ajh/4.11s.608s.
- Malcolm DD, Burns TL, Mahoney LT, Lauer RM. Factors affecting left ventricular mass in childhood: the Muscatine Study. Pediatrics. 1993 Nov;92(5):703-9.
- Lauer RM, Clarke WR, Mahoney LT, Witt J. Childhood predictors for high adult blood pressure. The Muscatine Study. Pediatr Clin North Am. 1993 Feb;40(1):23-40. doi: 10.1016/s0031-3955(16)38478-4.
- Janz KF, Burns TL, Mahoney LT. Predictors of left ventricular mass and resting blood pressure in children: the Muscatine Study. Med Sci Sports Exerc. 1995 Jun;27(6):818-25.
- Mahoney LT, Burns TL, Stanford W, Thompson BH, Witt JD, Rost CA, Lauer RM. Coronary risk factors measured in childhood and young adult life are associated with coronary artery calcification in young adults: the Muscatine Study. J Am Coll Cardiol. 1996 Feb;27(2):277-84. doi: 10.1016/0735-1097(95)00461-0.
- Janz KF, Mahoney LT. Three-year follow-up of changes in aerobic fitness during puberty: the Muscatine Study. Res Q Exerc Sport. 1997 Mar;68(1):1-9. doi: 10.1080/02701367.1997.10608861.
- Janz KF, Witt J, Mahoney LT. The stability of children's physical activity as measured by accelerometry and self-report. Med Sci Sports Exerc. 1995 Sep;27(9):1326-32.
연구 기록 날짜
연구 주요 날짜
연구 시작
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (추정)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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