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  • Spiralna CT preiskava pljučnih arterij v diagnostiki pljučne embolije = Spiral CT in diagnosis of pulmonary embolism
    Rainer, Saša ; Benko, Davorin
    Background. Pulmonary embolism (PE) has high mortality-rate but remains undiagnosed in many patients. Spiral CT of pulmonary arteries has increasinglyimportant role in diagnostic work-up of patients ... with suspected PE. We present our initial experience with this modality. Patients and methods. Since 1998 we performed 20 examinations in 18 patients. Following theunenhanced CT scan of the thorax we performed contrast-enhanced spiral CT of pulmonary arteries from the level of aortic arch to 2cm below inferiorpulmonary veins. We used 5mm and 3mm collimation. Acquisition was performed using pitch 1:1.6 and 1:2; for reconstruction of the images we used pitch 1:0.5 and 1:1. Using power injector, we administered 70 and 90ml of non-ionic contrast medium with concentration of 300 mg/ml. Flowrate was 3-4 ml/sec with peripheral venous access and 2.5 ml/ sec with injection through central venous line. The delay between injection and the start of spiral acquisition was judged empirically. Results. Signs of PE were demonstrated in 11 patients (61.1%); in one patient we performed two examinations in the interval of 8 months - both were positive for PE. In 6 patients (33.3 %), there were no signs of PE to the level of segmental arteries. 5 examinations (25%) were technicaly suboptimal, mainly due to inadequate opacification of pulmonary arteries and/or patient motion. In one patient the examination was repeated (the second study proved to be negative for PE); in the four remaining patients it was possible to demonstrate central and lobar emboli in two cases; in other two we could confidentely exclude only central and lobar PE. Additional findings were as common in patients with and without PE, pleural effusion was the most common finding in both groups of patients. Conclusions. (Abstract truncated at 2000 characters.)
    Source: Zdravniški vestnik : glasilo Slovenskega zdravniškega društva = Slovenian medical journal = journal of Slovenian Medical Association. - ISSN 1318-0347 (Letn. 69, št. 5, maj 2000, str. 317-323)
    Type of material - article, component part
    Publish date - 2000
    Language - slovenian
    COBISS.SI-ID - 11629273

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