Abstract
Objective To observe the efficiency of catheter-directed therapy (CDT) for acute pulmonary embolism (APE). Methods We retrospectively analyzed 11 cases of acute pulmonary embolism who received catheter-directed therapy (including thrombus fragmentation with pigtail catheter, suction thrombectomy with aspiration catheter, intraclot thrombolysis and inferior vena cava filter insertion) from January 2006 to December 2015 in our hospital. Results Thrombus in pulmonary arteries were cleared completely in 6 patients (54.5%), partially cleared in 4 patients (36.4%), and the obstruction was not relieved in 1 patient (9.1%). Oxygen saturation rised from (95.4±1.9)% to (98.3±0.6)%, and that the partial pressure of oxygen in arterial blood rised from (79.9±6.6) % to (97.9±1.0) % (P<0.05). Conclusions With minimal invasion, CDT can alleviate the embolism in pulmonary arteries, improve the clinical symptoms and respiratory function in APE patients. Key words: Pulmonary embolism; Mechanical thrombolysis; Endovascular therapy
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