Pulmonary arterial hypertension
Conditions
Interventions
Gold Standard:A decrease in mean pulmonary artery pressure (mPAP) of more than 10 mmHg and an absolute value of =40 mmHg, as measured by RHC, was accompanied by an increase or no change in cardiac out
Index test:echocardiogram
Sponsors
Gansu Provincial Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: Patients with clearly diagnosed pulmonary hypertension in the first major category of clinical classification of pulmonary hypertension, including (1) idiopathic pulmonary hypertension (2) hereditary pulmonary hypertension (3) drug-related pulmonary hypertension, were diagnosed in the Heart and Pulmonary Vascular Disease Center, Gansu Provincial People's Hospita from July 2023 to December
Exclusion criteria
Exclusion criteria: (1) Methemoglobinemia (2) People with genetic susceptibility to methemoglobinemia (3) Headache intolerant (4) Patients with hypotension (5) Patients with poor acoustic window, incomplete tricuspid regurgitation or pulmonary regurgitation spectrum cannot be obtained by echocardiography, and pulmonary artery pressure cannot be accurately estimated.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| positive predictive value;sensitivity;specificity;negative predictive value;AUC; | — |
Secondary
| Measure | Time frame |
|---|---|
| agreement reat;positive likelihood ratio; | — |
Countries
China
Contacts
Public ContactZhaoxia Guo
Gansu Provincial Hospital
Outcome results
None listed