Dynamic Changes in Right Ventricle and Pulmonary Artery Coupling Among COPD Patients With Acute Exacerbation
Chronic obstructive pulmonary disease (COPD) is a common, preventable, and manageable disease characterized by persistent respiratory symptoms and airflow limitation. Acute exacerbations of COPD (AECOPD) are major events in the course of the disease and are associated with increased hospital admissions, accelerated decline in lung function, impaired quality of life, and increased mortality. Assessment of exacerbation risk remains a key component of COPD management according to the Global Initiative for Chronic Obstructive Lung Disease (GOLD).
Beyond its respiratory manifestations, COPD may have important cardiovascular consequences. Chronic hypoxia, pulmonary vascular remodeling, inflammation, and increased pulmonary vascular resistance may contribute to elevated pulmonary artery pressures and right ventricular (RV) dysfunction. Pulmonary hypertension associated with chronic lung disease is clinically important because it may worsen symptoms, exercise tolerance, and prognosis.
During acute exacerbations, worsening hypoxemia, hypercapnia, dynamic hyperinflation, and increased respiratory workload may further increase pulmonary vascular resistance and RV afterload. Transthoracic echocardiography provides a practical non-invasive method for evaluating right ventricular function and pulmonary hemodynamics through parameters such as tricuspid annular plane systolic excursion (TAPSE), pulmonary artery systolic pressure (PASP), and the TAPSE/PASP ratio, a recognized marker of RV-pulmonary artery coupling.
연구 개요
상태
상태
정황
정황
개입 / 치료
개입 / 치료
상세 설명
Previous studies have demonstrated an association between COPD exacerbations and pulmonary vascular involvement. Medrek et al. reported a higher prevalence of pulmonary hypertension among patients hospitalized for COPD exacerbations compared with non-hospitalized COPD patients. More recently, studies showed that pulmonary pressures increase significantly during AECOPD compared with the stable state and are associated with prolonged hospitalization and poorer clinical outcomes.
Despite these findings, the effect of acute hypercapnic COPD exacerbations on right ventricular function, pulmonary artery pressures, and RV-pulmonary artery coupling remains incompletely understood, particularly in critically ill patients requiring ICU admission. Therefore, this study aims to evaluate the dynamic changes in right ventricular function and pulmonary artery pressures during acute hypercapnic COPD exacerbations and explore their relationship with clinical outcomes among patients admitted to the ICU.
the study aims to evaluate the dynamic changes in right ventricular-pulmonary artery coupling (TAPSE/PASP ratio) and pulmonary artery pressures during acute hypercapnic COPD exacerbations and their relationship with clinical outcomes among ICU patients.
연구 유형
연구 유형
등록 (추정된)
등록
연락처 및 위치
연구 연락처
연구 연락처
- 이름: Eslam M Mahran, Resident Chest Physician
- 전화번호: +201004668567
- 이메일: eslammohamedelsaeed737@gmail.com
연구 장소
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Asyut Governorate
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Asyut, Asyut Governorate, 이집트, 71515
- Assuit university
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연락하다:
- Eslam M Mahran, Resident Chest Physician
- 전화번호: +201004668567
- 이메일: eslammohamedelsaeed737@gmail.com
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연락하다:
- Ashraf Z Mohamed, Professor
- 전화번호: +201006592600
- 이메일: ashrafabdin@yahoo.com
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참여기준
자격 기준
자격 기준
공부할 수 있는 나이
- 성인
- 고령자
건강한 자원 봉사자를 받아들입니다
샘플링 방법
연구 인구
설명
Inclusion Criteria:
- Patients aged more than 40 years diagnosed with COPD based on pulmonary function tests and admitted to ICU with severe AECOPD. Severe exacerbation is defined according to GOLD 2024 as an exacerbation requiring hospitalization or an emergency department visit, in addition to the acute worsening of respiratory symptoms occurring within ≤14 days.
Exclusion Criteria:
- Presence of moderate to severe aortic, mitral, tricuspid, or pulmonary valvular disease
- A known history of left-sided heart failure before enrolment
- refusal to participate in the study
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
그룹/코호트 수
코호트 및 개입
그룹/코호트그룹/코호트 |
개입 / 치료개입 / 치료 |
|---|---|
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COPD Acute exacerbation
COPD patients with Severe exacerbation which is defined according to GOLD 2024 as an exacerbation requiring hospitalization or an emergency department visit, in addition to the acute worsening of respiratory symptoms occurring within ≤14 days
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Echocardiography assessment with focus on pulmonary artery parameters, specially Pulmonary artery systolic pressure and tricuspid valve annular Plane Systolic Excursion
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연구는 무엇을 측정합니까?
주요 결과 측정
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Change in TAPSE/PASP ratio between the acute exacerbation phase and the stable state (6-8 weeks after recovery)
기간: 8 weeks
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Change in Tricuspid Annular Plane Systolic Excursion/Pulmonary Artery Systolic Pressure ratio between the acute exacerbation phase and the stable state (6-8 weeks after recovery)
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8 weeks
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공동 작업자 및 조사자
수사관
수사관
- 연구 책임자: Ashraf Z Mohamed, Professor, Assiut University
- 연구 책임자: Lamiaa H Shaaban, Professor, Assiut University
간행물 및 유용한 링크
일반 간행물
- Lang RM, Badano LP, Mor-Avi V, Afilalo J, Armstrong A, Ernande L, Flachskampf FA, Foster E, Goldstein SA, Kuznetsova T, Lancellotti P, Muraru D, Picard MH, Rietzschel ER, Rudski L, Spencer KT, Tsang W, Voigt JU. Recommendations for cardiac chamber quantification by echocardiography in adults: an update from the American Society of Echocardiography and the European Association of Cardiovascular Imaging. J Am Soc Echocardiogr. 2015 Jan;28(1):1-39.e14. doi: 10.1016/j.echo.2014.10.003.
- Rastoder E, Sivapalan P, Hedsund C, Kamstrup P, Biering-Sorensen T, Dons M, Bistrup Petersen TC, Davidovski FS, Skaarup KG, Sengelov M, Durukan E, Vesterlev D, Wodschow HZ, Pedersen L, Eklof J, Vognsen AK, Moberg M, Janner J, Toennesen LL, Bahrami HSZ, Dixen U, Dahlgaard Hove J, Jensen MT, Ackermann DA, Jordan A, Romer V, Sperling S, Bendstrup E, Falster C, Laursen CB, Carlsen J, Jensen JS. Pulmonary pressure increases during acute exacerbation in COPD and clinical outcome. Eur Respir J. 2025 Sep 25;66(3):2500169. doi: 10.1183/13993003.00169-2025. Print 2025 Sep.
- Medrek SK, Sharafkhaneh A, Spiegelman AM, Kak A, Pandit LM. Admission for COPD Exacerbation Is Associated with the Clinical Diagnosis of Pulmonary Hypertension: Results from a Retrospective Longitudinal Study of a Veteran Population. COPD. 2017 Oct;14(5):484-489. doi: 10.1080/15412555.2017.1336209. Epub 2017 Jul 17.
연구 기록 날짜
연구 주요 날짜
연구 시작 (추정된)
연구 시작
기본 완료 (추정된)
기본 완료
연구 완료 (추정된)
연구 완료
연구 등록 날짜
최초 제출
최초 제출
QC 기준을 충족하는 최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
처음 게시됨
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
마지막 업데이트 게시됨
QC 기준을 충족하는 마지막 업데이트 제출
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
추가 관련 MeSH 약관
기타 연구 ID 번호
기타 연구 ID 번호
- Eslam-TAPSE/PASP ratio
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
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