Measuring Normal Esophageal Flexibility in Children Using EndoFLIP (EndoFLIP)
Prospective Measurement of Normative Esophageal Distensibility Using EndoFLIP in Asymptomatic Children
연구 개요
상태
상세 설명
The Endoluminal Functional Lumen Imaging Probe (EndoFLIP) is an FDA-cleared device that measures the size, pressure, and flexibility (distensibility) of the esophagus. In adults, EndoFLIP measurements are routinely used to evaluate esophageal motility disorders such as achalasia. However, normal reference values for children have not been established, and pediatric interpretation currently relies largely on adult data.
The purpose of this prospective, single-center observational study is to generate preliminary normative pediatric EndoFLIP measurements. One hundred children between 5 and younger than 18 years of age who are undergoing clinically indicated colonoscopy with colonic motility catheter placement under general anesthesia will be enrolled. Eligible participants must have no history of esophageal disease or surgery and no symptoms suggestive of upper gastrointestinal disease.
Immediately before the scheduled colonoscopy and motility catheter placement, an EndoFLIP catheter will be inserted through the mouth and positioned across the lower esophageal sphincter. Measurements of esophageal diameter, cross-sectional area, pressure, compliance, and distensibility index will be obtained at standardized balloon fill volumes (20-60 mL). The EndoFLIP assessment requires approximately 3-5 minutes and does not require an upper endoscopy or any additional anesthesia. After the measurements are completed, the catheter is removed and the planned clinical procedure proceeds as scheduled. No additional study visits or follow-up are required.
The primary objective is to establish preliminary normative pediatric values for esophageal distensibility and related biomechanical parameters. Secondary analyses will evaluate associations between EndoFLIP measurements and participant age, height, weight, and body mass index. These data are intended to improve interpretation of pediatric EndoFLIP studies and support future research and clinical care for children with esophageal disorders.
연구 유형
등록 (추정된)
단계
- 해당 없음
참여기준
자격 기준
공부할 수 있는 나이
- 어린이
건강한 자원 봉사자를 받아들입니다
연구 인구
설명
Inclusion Criteria:
- Age 5 to <18 years
- Scheduled to undergo clinically indicated colonoscopy with colonic motility catheter placement under general anesthesia
- No upper gastrointestinal symptoms (including dysphagia, recurrent vomiting, gastroesophageal reflux, or odynophagia)
- No history of esophageal disease or esophageal surgery
- Parent/guardian consent and participant assent, when applicable
Exclusion Criteria:
- Known or suspected esophageal pathology
- Prior esophageal surgery or instrumentation
- Anatomic upper gastrointestinal abnormalities
- Contraindication to anesthesia or EndoFLIP catheter placement
공부 계획
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디자인 세부사항
- 주 목적: 다른
- 할당: 해당 없음
- 중재 모델: 단일 그룹 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
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다른: Asymptomatic Children Undergoing EndoFLIP Assessment
Children 5 to younger than 18 years of age undergoing clinically indicated colonoscopy with colonic motility catheter placement under general anesthesia who have no history or symptoms of esophageal disease.
Participants undergo a single 3-5 minute EndoFLIP assessment before the scheduled procedure to measure esophageal distensibility index, diameter, cross-sectional area, compliance, and pressure for development of preliminary normative pediatric reference values.
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The Endoluminal Functional Lumen Imaging Probe (EndoFLIP) is an FDA-cleared impedance planimetry device used to measure esophageal diameter, cross-sectional area, intraballoon pressure, distensibility index, and compliance.
In this study, the EndoFLIP catheter is inserted orally during general anesthesia immediately before clinically indicated colonoscopy with colonic motility catheter placement.
Measurements are obtained over approximately 3-5 minutes at standardized balloon fill volumes of 20-60 mL, after which the catheter is removed and the planned clinical procedure proceeds.
The EndoFLIP assessment is performed solely for research purposes to establish preliminary normative pediatric esophageal biomechanical reference values.
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Esophageal Distensibility
기간: During the procedure (approximately 3-5 minutes)
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Esophageal distensibility index measured using the Endoluminal Functional Lumen Imaging Probe (EndoFLIP) at standardized balloon fill volumes of 20, 30, 40, 50, and 60 mL.
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During the procedure (approximately 3-5 minutes)
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Esophageal Diameter
기간: During the procedure (approximately 3-5 minutes)
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Esophageal diameter measured using the Endoluminal Functional Lumen Imaging Probe (EndoFLIP) at standardized balloon fill volumes of 20, 30, 40, 50, and 60 mL.
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During the procedure (approximately 3-5 minutes)
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Esophageal Cross-sectional Area
기간: During the procedure (approximately 3-5 minutes)
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Esophageal cross-sectional area measured using the Endoluminal Functional Lumen Imaging Probe (EndoFLIP) at standardized balloon fill volumes of 20, 30, 40, 50, and 60 mL.
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During the procedure (approximately 3-5 minutes)
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Esophageal Compliance
기간: During the procedure (approximately 3-5 minutes)
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Esophageal compliance measured using the Endoluminal Functional Lumen Imaging Probe (EndoFLIP) at standardized balloon fill volumes of 20, 30, 40, 50, and 60 mL.
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During the procedure (approximately 3-5 minutes)
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Intraballoon Pressure
기간: During the procedure (approximately 3-5 minutes)
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Intraballoon pressure measured using the Endoluminal Functional Lumen Imaging Probe (EndoFLIP) at standardized balloon fill volumes of 20, 30, 40, 50, and 60 mL.
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During the procedure (approximately 3-5 minutes)
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공동 작업자 및 조사자
협력자
연구 기록 날짜
연구 주요 날짜
연구 시작 (추정된)
기본 완료 (추정된)
연구 완료 (추정된)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
기타 연구 ID 번호
- 28226
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