The impact of preload change with head-up tilt testing on circulation evaluated by echocardiography

The impact of preload change with head-up tilt testing on circulation evaluated by echocardiography - The impact of preload change with head-up tilt testing on circulation evaluated by echocardiography

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000037884

Enrollment

Registered

2019-10-01

Start date

2019-06-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Repaired tetralogy of Fallot Post-chemotherapy Type 1 diabetes mellitus Healthy person

Interventions

We performed echocardiography during head up and head down using tilt table for healthy subjects, patients with type 1 diabetes mellitus, repaired tetralogy of Fallot, and post-chemotherapy patients u

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Subjects, who are 15 years old or older and younger than 40 years old. 2. Subjects, who have received sufficient explanation for participation in this study, and with sufficient understanding, consent from the parental authority's free will and, if possible, subject's consent.

Exclusion criteria

Exclusion criteria: 1. Advanced arrhythmia (3rd degree atrioventricular block, atrial fibrillation, atrial flutter, ventricular flutter) 2. Other patients, who are deemed inappropriate by the research director as subjects. Of the above (1) target patients, (2) all the selection criteria are met and (3) none of the exclusion criteria are eligible.

Design outcomes

Primary

Measure	Time frame
Intraventricular pressure difference during supine, tilt up and tilt down)	—

Countries

Japan

Contacts

Public ContactYu Hosono

Juntendo University Pediatrics

yuadachi@juntendo.ac.jp03-3813-3111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026