- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT01035047
흉통 진단 전략의 무작위 조사
연구 개요
상세 설명
미국에서 흉통 응급 평가에 연간 120억 달러를 지출했음에도 불구하고, 입원 환자의 15%만이 증상의 심장 원인을 가지고 있습니다. CDU(Clinical Decision Unit)는 자원 활용도를 개선하고 American College of Cardiology / American Heart Association에서 권장하는 치료 옵션이지만 기존 심장 검사의 약점으로 인해 위험도가 낮지 않은 흉통 환자에게는 활용률이 낮습니다. 심장 자기 공명 영상(CMR)은 허혈에 민감하고 특이적이며 심장 기능과 심근 관류를 동시에 평가할 수 있으며 흉통이 있는 중간 위험 환자의 진단 프로세스를 혁신할 수 있습니다. CMR의 우수한 정확도는 테스트 및 침습적 절차를 줄일 수 있습니다. 진행중인 허혈에 대한 높은 감도는 심장 마커와 병행하여 이미징을 허용할 수 있습니다. 결과적으로 CMR은 중간 위험 흉통이 있는 응급실(ED) 환자의 치료를 개선할 수 있습니다. 그러나 CMR의 효율성과 안전성은 CDU 설정에서 광범위하게 테스트되지 않았습니다.
1차 가설: CDU-CMR 전략은 입원환자 치료 전략과 비교했을 때 90일에 혈관재생술, 재입원 및 재발성 심장 검사의 복합 발생을 줄일 것입니다.
방법: 급성 관상 동맥 증후군(ACS)에 대한 중간 위험에 있는 참가자(n=146)는 Wake Forest University Baptist Medical Center(WFUBMC) ED에서 임상 시험에 모집됩니다. 참가자는 CDU-CMR 또는 입원 환자 치료에 동등하게 무작위 배정됩니다. CDU-CMR 참가자는 일련의 심장 마커와 병행하여 휴식 및 스트레스 CMR 영상을 받게 됩니다. 입원 환자 치료 참가자는 일련의 심장 마커를 받은 후 의료 제공자가 결정한 기존 심장 검사를 받게 됩니다. 1차 결과는 90일 혈관재개통술, 재입원, 재발성 심장 검사의 복합입니다. 2차 결과는 지표 입원 기간입니다. 안전 사건에는 퇴원 후 ACS, 사망 및 스트레스 테스트 관련 부작용이 포함됩니다.
연구 유형
등록 (실제)
단계
- 해당 없음
연락처 및 위치
연구 장소
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North Carolina
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Winston-Salem, North Carolina, 미국, 27157
- Wake Forest University Baptist Medical Center
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
포함 기준:
- 등록 당시 21세 이상
- 환자의 평가를 위해 ECG 및 심장 바이오마커를 얻은 후 치료 의사가 표시한 대로 가능한 ACS와 일치하는 흉부 불편 또는 기타 증상
- TIMI(심근 경색) 위험 점수 >/= 2 또는 중간 또는 높은 가능성의 증상에 대한 의사의 인상은 ACS를 나타냅니다.
- 환자는 흉통에 대한 입원 환자 또는 CDU 평가가 필요합니다.
- 치료 의사는 심장 질환이 제외되면 환자를 집으로 퇴원시킬 수 있다고 생각합니다.
- 치료 의사는 환자가 CDU 치료에 안전하다고 생각합니다.
사전 테스트 확률 평가 ACS 발병에 대한 중간 위험의 평가는 TIMI 위험 점수 >/= 2 및/또는 증상이 ACS를 나타낼 가능성이 중간 또는 높은 응급 의사의 임상 소견에 근거할 것입니다. 의사는 2007년 미국심장학회(ACC)/미국심장협회(AHA) 지침을 이 평가의 틀로 사용할 것을 권장합니다.
제외 기준:
- 상승된 심장 바이오마커
- 모든 심전도에서 새 ST 세그먼트 상승(>/= 1mV)
- 모든 심전도에서 새로운 ST 세그먼트 내림(>/= 2mV)
- 후속 혈관재생술이 없는 알려진 유도성 심장 허혈
- 눕지 못함
- 등록 당시 증상이 있는 저혈압(수축기 < 90mmHg)
- MRI에 대한 금기 사항(예: 심박 조율기, 제세동기, 뇌동맥류 클립, 금속 안구 이물질, 이식 장치, 심한 밀실 공포증)
- 환자가 의료 기록 검토 및 후속 조치를 거부하거나 준수할 수 없음
- 기대 수명이 3개월 미만인 말기 진단
- 현재 임신
- 급성 신장 손상에 대한 등록 또는 임상적 우려 시점에 크레아티닌 청소율 < 45 ml/min
- 등록 당시 크레아티닌 청소율이 <60 ml/min인 만성 간 질환
- 간신증후군
- 간, 심장 또는 신장 이식 병력
- 지난 6개월 이내에 확증된 혈관성형술, 스텐트 배치 또는 관상동맥우회술(CABG)
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 특수 증상
- 할당: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 하나의
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
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간섭 없음: 입원 환자 치료
이것은 비교 팔입니다.
환자는 병원에 입원하여 일반적인 치료를 받습니다.
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실험적: CDU-CMR 프로토콜
환자는 임상 결정 부서로 이송되어 스트레스 심장 MRI 평가를 받게 됩니다.
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ED 평가 후 환자는 임상 결정 단위 치료 또는 입원 환자 치료로 무작위 배정됩니다.
임상 결정 단위의 환자는 또한 스트레스 심장 MRI를 받게 됩니다.
입원 환자 치료 부문의 환자는 치료 의사의 결정에 따라 심장 MRI를 포함하여 원하는 검사를 받을 수 있습니다.
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
기간 |
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90일 동안의 혈관재생술, 재입원술 및 재발성 심장 검사의 복합.
기간: 인덱스 90일 입원
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인덱스 90일 입원
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2차 결과 측정
결과 측정 |
기간 |
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체류 기간
기간: 지표 입원 기간, 평균 1-2일
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지표 입원 기간, 평균 1-2일
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급성관상동맥증후군
기간: 지수 입원 퇴원 90일
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지수 입원 퇴원 90일
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인류
기간: 인덱스 90일 입원
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인덱스 90일 입원
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스트레스 테스트 관련 부작용
기간: 인덱스 90일 입원
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인덱스 90일 입원
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공동 작업자 및 조사자
수사관
- 수석 연구원: Chadwick Miller, M.D., WFUBMC
간행물 및 유용한 링크
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