Lower Leg Remote Ischemic Preconditioning in Elective Percutaneous Coronary Intervention (PCI) (REMOTE)
Effects of Lower Leg Remote Ischemic Preconditioning in Combination With Electric Muscle Stimulation in Elective Coronary Artery Revascularisation
연구 개요
상태
정황
상세 설명
It has been demonstrated that protection from ischemia reperfusion can be achieved by brief periods of ischemia applied at a remote site during an injurious ischemic event (remote postconditioning). The purpose of this study is to investigate if the combination of brief periods of limb ischemia in combination with electric muscle stimulation at the same site could exceed the preconditioning effect of limb ischemia alone.
Therefore the investigators thought to perform 2 different forms of remote ischaemic preconditioning in patients undergoing elective coronary angioplasty.
In the first patient group a blood pressure cuff will be applied at the lower leg. Ischemia will be induced by inflating the cuff to a pressure of 200 mmHg for 5 minutes. Afterwards reperfusion will be allowed for further 5 minutes. This cycle will be repeated 3 times.
In a second patient group electric muscle stimulation at the same site (HiToP 191) will be performed additionally throughout the whole preconditioning cycle.
After preconditioning, the percutaneous coronary intervention (PCI) will be performed by 3 PCI-ballon inflations, each lasting for 2 minutes. Between the inflations coronary reperfusion will be allowed for 5 minutes.
The Effects of preconditioning will be evaluated by analysing the ST-deviation, caused by angioplasty in an intracoronary (derived by PCI wire) and surface ecg.
Also the maximum of chest pain during the 3 inflation cycles and troponin levels 24 h after PCI will be evaluated.
연구 유형
연락처 및 위치
연구 장소
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MVP
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Greifswald, MVP, 독일, 17489
- Ernst Moritz Arndt Universität Greifswald
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
샘플링 방법
연구 인구
설명
Inclusion Criteria:
- planned PCI of one of the main coronary artery (artery diameter distal of the stenotic area at least 2,5 mm)
- patient age 18 years or older
- stable angina pectoris symptoms
Exclusion Criteria:
- presence of collateral vessels
- electrocardiographic bundle branch blocks
- multiple coronary stenosis
- occlusion of a coronary artery
- renal insufficiency (GFR (MDRD) < 50 ml/min/1,73 m2)
- presence of coronary bypass grafts
- history or presence of myocardial infarction.
- echocardiographic signs of left ventricular hypertrophy (septal and/or posterior wall diameter greater than 14 mm)
- some sort of medications (adenosine, morphine and derivates, immunosuppressive agents, oral antibiotics, theophyllin, alpha receptor blockers)
- peripheral arterial disease
- exercise tests performed within 24 h before study start.
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
코호트 및 개입
그룹/코호트 |
개입 / 치료 |
|---|---|
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control group
A Blood pressure cuff and and the muscle stimulator pads will be applied to one lower leg but without inflating the cuff and without stimulating the muscle.
Now 25 minutes will have to pass by before beginning the coronary angioplasty.
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intervention group 1
A Blood pressure cuff and and the muscle stimulator pads will be applied to one lower leg.
The blood pressure Cuff will be inflated with 200 mmHg for 5 minutes.
Next reperfusion will be allowed for 5 minutes.
This cycle will be repeated for 3 times.
There will be no electrical muscle stimulation in this group.
|
A Blood pressure cuff and and the muscle stimulator pads will be applied to one lower leg.
The blood pressure cuff will be inflated with 200 mmHg for 5 minutes.
Next reperfusion will be allowed for 5 minutes.
This cycle will be repeated for 3 times.
|
|
intervention group 2
A Blood pressure cuff and the muscle stimulator pads will be applied to one lower leg.
The blood pressure Cuff will be inflated with 200 mmHg for 5 minutes.
Next reperfusion will be allowed for 5 minutes.
This cycle will be repeated for 3 times.
In addition electrical muscle stimulation will be performed throughout the whole preconditioning cycle
|
A Blood pressure cuff and and the muscle stimulator pads will be applied to one lower leg.
The blood pressure Cuff will be inflated with 200 mmHg for 5 minutes.
Next reperfusion will be allowed for 5 minutes.
This cycle will be repeated for 3 times.
In addition electrical muscle stimulation will be performed throughout the whole preconditioning cycle.
|
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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ST deviation
기간: 120 seconds after angioplasty
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Immediately after the preconditioning cycle the PCI ballon will be positioned in the coronary artery lesion and inflated for 2 minutes followed by 5 minutes of reperfusion. This cycle will be repeated for 3 times without any interruption. Intracoronary ECGs and 12 lead surface ecgs will be taken immediately before and at the end of each ballon inflation (two minutes after beginning the intracoronary ballon inflation). after taking the ecgs the ballon will be deflated. The st-deviations will be analysed. |
120 seconds after angioplasty
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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troponin I
기간: 24 hours after PCI
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Troponin levels will be evaluated 24 h after PCI
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24 hours after PCI
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chest pain (Maximum)
기간: time period 2 minutes
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the maximal chest pain occuring during each of the Pci balloon inflations will be documented as a number out of 10. 0 is determined as no pain and 10 is determined as the heaviest pain which the patient ever experienced.
A specific timepoint has not been defined.
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time period 2 minutes
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공동 작업자 및 조사자
수사관
- 수석 연구원: Markus Reinthaler, MD, Ernst Moritz Arndt University Greifswald
- 수석 연구원: Thorsten Reffelmann, MD, Ernst Moritz Arndt University Greifswald
연구 기록 날짜
연구 주요 날짜
연구 시작
기본 완료 (실제)
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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