Diagnostic Value of Photon-Counting CT in Subsegmental Pulmonary Embolism
Recruiting
Observational Study
Subsegmental Pulmonary Embolism
Photon-Counting Computed Tomography
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Age
- 18 and older
- Sex
- Any
- Study type
- Observational
- Participants needed
- 696 (estimated)
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine · Other
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About This Trial
Pulmonary embolism (PE) is a serious and potentially life-threatening condition caused by blood clots in the lungs. A particular type, subsegmental pulmonary embolism (SSPE), involves very small branches of the pulmonary arteries. Although these clots occur in smaller vessels, their risk of recurrence and complications may be similar to larger clots.
Conventional CT pulmonary angiography (CTPA) i…
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
1. Age ≥ 18 years
2. Clinical manifestations supporting the diagnosis of acute pulmonary embolism, including:
Acute onset or progressive dyspnea Unexplained hypoxemia Chest pain Hemoptysis Syncope or presyncope Combined with abnormal findings on electrocardiogram, echocardio…
Contacts
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