---
title: Echocardiography Findings and Perioperative Outcomes in Children
nct_id: NCT03990779
overall_status: COMPLETED
sponsor: Seoul National University Hospital
study_type: OBSERVATIONAL
primary_condition: Congenital Cardiac Defect
countries: South Korea
canonical_url: "https://parkinsonspathways.com/agent/trials/NCT03990779.md"
clinicaltrials_gov: "https://clinicaltrials.gov/study/NCT03990779"
ct_last_update_post_date: 2022-05-05
last_seen_at: "2026-05-12T06:59:16.585Z"
source: ClinicalTrials.gov (mirrored, no enrichment)
---
# Echocardiography Findings and Perioperative Outcomes in Children

**Official Title:** Echocardiography Findings and Perioperative Outcomes in Children Undergoing Congenital Heart Surgery: Prospective Observational Study

**NCT ID:** [NCT03990779](https://clinicaltrials.gov/study/NCT03990779)

## Key Facts

- **Status:** COMPLETED
- **Study Type:** OBSERVATIONAL
- **Target Enrollment:** 400
- **Lead Sponsor:** Seoul National University Hospital
- **Conditions:** Congenital Cardiac Defect
- **Start Date:** 2019-06-24
- **Completion Date:** 2021-12-30
- **CT.gov Last Update:** 2022-05-05

## Brief Summary

This study evaluates the association between perioperative echocardiographic Doppler findings and clinical outcomes in pediatric patients undergoing cardiac surgery. In our center, anesthesiologists perform transthoracic or transesophageal echocardiography during perioperative period routinely in children undergoing surgery for congenital cardiac disease. Echocardiographic findings include the doppler patterns of hepatic vein, portal vein, renal artery, renal vein and splenic vein before and after cardiopulmonary bypass. Portal pulsatility index, renal resistive index, and respiratory variations in peak aortic blood flow velocity and diameter of inferior vena cava are measured.

## Eligibility

- **Maximum age:** 18 Years
- **Sex:** ALL

```
Inclusion Criteria:

* All pediatric patients undergoing cardiac surgery

Exclusion Criteria:

* Applying extracorporeal membrane oxygenator prior to surgery
* Trouble applying echocardiography
```

## Arms

- **Children with congenital cardiac disease** — Children with congenital cardiac disease who undergoing surgery

## Interventions

- **Echocardiography** (DIAGNOSTIC_TEST) — Echocardiographic examination before and after cardiopulmonary bypass

## Primary Outcomes

- **Characteristics of Doppler values and its derived parameters of portal vein, hepatic vein, renal artery and vein, and splenic vein measured using echocardiography in children with congenital cardiac disease** _(time frame: after anesthetic induction until the end of surgery)_ — To find the characteristics and standard values of Doppler findings measured by echocardiography before and after congenital cardiac surgery
- **Association between Doppler values measured by echocardiography and clinical outcomes after pediatric cardiac surgery** _(time frame: through study completion, an average 1-2 years)_ — To evaluate whether Doppler values of portal vein, hepatic vein, renal artery and vein, and splenic vein measured using echocardiography can predict major adverse outcomes after pediatric cardiac surgery

## Secondary Outcomes

- **Number of patients with major adverse outcomes after pediatric cardiac surgery** _(time frame: through study completion, an average 1-2 years)_

## Locations (1)

- Seoul National University Hospital, Seoul, South Korea

## Recent Field Changes (last 30 days)

- `status.overallStatus` — added _(2026-05-12)_
- `status.primaryCompletionDate` — added _(2026-05-12)_
- `status.completionDate` — added _(2026-05-12)_
- `status.lastUpdatePostDate` — added _(2026-05-12)_
- `design.enrollmentCount` — added _(2026-05-12)_
- `eligibility.criteria` — added _(2026-05-12)_
- `eligibility.maxAge` — added _(2026-05-12)_
- `eligibility.sex` — added _(2026-05-12)_
- `outcomes.primary` — added _(2026-05-12)_
- `outcomes.secondary` — added _(2026-05-12)_
- `armsInterventions.arms` — added _(2026-05-12)_
- `armsInterventions.interventions` — added _(2026-05-12)_
- `sponsor.lead` — added _(2026-05-12)_
- `results.hasResults` — added _(2026-05-12)_
- `locations.seoul national university hospital|seoul||south korea` — added _(2026-05-12)_

---

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*Source data (authoritative): https://clinicaltrials.gov/study/NCT03990779*  
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