Status:

UNKNOWN

Reference Range for Tissue Motion Tracking of Mitral Annulus Displacement in Chinese Han Singleton Pregnancies

Lead Sponsor:

First Hospital of China Medical University

Conditions:

Pregnancy

Eligibility:

FEMALE

18-45 years

Brief Summary

The First Affiliated Hospital of China Medical University initiated a multi-center study on the reference range of tissue motion tracking of mitral annulus displacement in Chinese Han singleton pregna...

Detailed Description

During normal pregnancy, the cardiovascular system of pregnant women will undergo significant adaptive changes in response to the growth of the uterus, fetus and placenta. Cardiac output and plasma vo...

Eligibility Criteria

Inclusion

  • Singleton pregnancy;
  • Han nationality;
  • 18-45 years old;
  • Basal body mass index before pregnancy \< 30 kg/m2;
  • Normal blood pressure (139-90/89-60 mmHg);
  • No history of cardiovascular and respiratory diseases;
  • No abnormal findings in the physical examination of the cardiovascular and respiratory systems;
  • Normal results in blood, urine, fasting blood glucose, blood lipids, liver and kidney function, thyroid function and electrocardiogram;
  • Echocardiography shows normal cardiac function with no structural heart diseases;
  • No use of medications that affect the cardiovascular system.

Exclusion

  • Multiple pregnancy;
  • Anemia (hemoglobin \< 90 g/L);
  • Other serious diseases of the immune, respiratory, digestive, nervous, urinary, blood, endocrine and other systems;
  • Tumors;
  • The poor quality of ultrasound images cannot meet the requirements of parameter measurement and analysis.

Key Trial Info

Start Date :

July 1 2022

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

June 30 2024

Estimated Enrollment :

660 Patients enrolled

Trial Details

Trial ID

NCT05375123

Start Date

July 1 2022

End Date

June 30 2024

Last Update

July 15 2022

Active Locations (33)

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Page 1 of 9 (33 locations)

1

Chongqing Fifth People's Hospital

Chongqing, Chongqing Municipality, China, 400000

2

Chongqing Banan District People's Hospital

Chongqing, Chongqing Municipality, China, 401320

3

Chongqing Qianjiang District Central Hospital

Chongqing, Chongqing Municipality, China, 409000

4

Maternity and Child Care Centers of Fujian Province

Fuzhou, Fujian, China, 350001