Pulmonary angiography is a method of checking for vascular lesions in the lungs and is a gold standard for diagnosing vascular lesions in the lungs.
Pulmonary angiography refers to the injection of contrast material into the blood vessels and then the use of X-rays to see if the blood vessels have any narrowing. Pulmonary angiography can clearly show and understand whether the blood vessels in the lungs are diseased or not, and whether there is any narrowing. Pulmonary angiography is one of the necessary tests for some pulmonary vascular diseases.
Pulmonary angiography is mainly used to check pulmonary aneurysm and pulmonary arteriovenous fistula, can understand the size and opening position of the aneurysm and fistula, in order to guide the treatment; congenital pulmonary arteriovenous and venous malformations; acute pulmonary embolism, can understand the degree of pulmonary embolism, embolism site, can be injected with thrombolytic drugs and dilation of stenosis of arteries, to achieve therapeutic purposes.
Pulmonary arteriography needs to pay attention to is that the patient and family members should understand the purpose of the imaging and the possible complications. Before the examination, the patient should explain the relevant medical history to the doctor, check the liver and kidney function, blood routine and coagulation time and other relevant indexes. Eating is usually prohibited 4 hours before the procedure so as not to affect the imaging results.