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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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