Ultrasound-Guided Volume Assessment and Decongestion Strategy (UVADS)clinical assessment
Ultrasound-Guided Volume Assessment and Decongestion Strategy (UVADS): Unique Combination: Simultaneously tracks IVC collapsibility index (\>50%) + pulmonary B-line counts (≤5) to guide therapy, unlike studies using either metric alone.Thresholds Tested: Compares ESC consensus thresholds (IVC \<2.1cm) vs. exploratory Asian-optimized thresholds (IVC \<1.8cm) in Subgroup B.
clinical assessment: Discharge based on symptoms/signs alone: Clinical congestion score ≤2 + NYHA class ≤II
Study summary
Brief Summary of the POCUS-HF Study
The goal of this clinical trial is to determine whether using bedside ultrasound (POCUS) to guide fluid management and discharge timing can improve outcomes for hospitalized heart failure (HF) patients. The study aims to answer the following questions:
Does POCUS-guided management (using measurements of the inferior vena cava (IVC) and lung B-lines) reduce the risk of rehospitalization and death compared to standard clinical assessment alone? What is the optimal IVC value for determining the safest discharge timing for HF patients in China and Asia?
Researchers will compare two groups:
Intervention group: Patients receive daily POCUS assessments (IVC diameter and lung B-lines) to guide fluid management and discharge decisions.
Control group: Patients receive standard care based on clinical symptoms and signs alone.
Participants will:
Undergo twice-daily POCUS measurements during hospitalization (intervention group only).
Be discharged based on either POCUS criteria (IVC and B-line thresholds) or clinical criteria (control group).
Attend follow-up visits at 7 days, 1 month, 3 months, 6 months, and 1 year after discharge to track rehospitalizations, complications, and survival.
The study hopes to provide evidence that POCUS can help reduce residual fluid overload at discharge, lower rehospitalization rates, and improve long-term outcomes for HF patients.
Eligibility
Sex
ALL
Min age
18 Years
Max age
90 Years
Healthy volunteers
No
Inclusion Criteria:
* Diagnosis:
Hospitalized adults (age 18-90) with acute decompensated HF per ESC 2023 criteria:
Signs/symptoms (e.g., dyspnea, edema) + objective evidence (e.g., elevated NT-proBNP, imaging).
Clinical Status:
NYHA Class II-IV at admission. Systolic BP ≥90 mmHg without vasopressor support.
Technical Feasibility:
Able to undergo POCUS assessments (supine positioning, adequate acoustic windows).
Consent:
Willing to provide informed consent and complete follow-up.
Exclusion Criteria:
* Respiratory Confounders Active pneumonia, interstitial lung disease, or lung cancer (may mimic/obscure B-lines).
COPD with pulmonary hypertension (mPAP ≥25 mmHg) or cor pulmonale (alters IVC dynamics).
Cardiovascular Instability Cardiogenic shock (SBP \<90 mmHg + lactate \>2 mmol/L requiring inotropes). Acute coronary syndrome (STEMI/NSTEMI) within 7 days (may require alternate therapies).
Technical Barriers Subcostal scarring or abdominal dressings preventing IVC visualization. Body habitus (BMI \>40 kg/m²) with persistently poor acoustic windows. Renal/Hepatic Risk AKI (KDIGO Stage 2/3) or dialysis dependence (limits diuretic responsiveness). Cirrhosis (Child-Pugh B/C) (alters volume assessment reliability). Procedural/Logistic Planned cardiac device implantation (e.g., CRT) during hospitalization. Non-adherence (inability to complete follow-up per protocol). Other Exclusions Pregnancy (physiologic IVC changes confound interpretation). Terminal illness (life expectancy \<6 months unrelated to HF).
Primary outcome measure(s)
Composite rate of heart failure-related rehospitalization or cardiac death within 1 year post-discharge — Assessed at 30 days, 90 days, 6 months, and 1 year post-discharge Components:
HF rehospitalization: Unplanned admission \>24 hours requiring IV diuretics/vasoactive drugs.
Cardiac death: Death from HF, MI, arrhythmia, or unexplained sudden death.
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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