La Radiologia medica
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La Radiologia medica · Nov 2001
Comparative Study[Evaluation of tracheobronchial lesions with spiral CT: comparison between virtual endoscopy and bronchoscopy].
The aim of this study is to describe the scanning parameters for virtual bronchoscopy in the evaluation of the tracheobronchial tree and to compare the results of this examination with the endoscopic findings. ⋯ The results show that virtual endoscopy can study the tracheobronchial tree as far as the segmental bronchi, and sometimes also the subsegmental bronchi and the bronchi below a closed obstruction. In addition, it can evaluate the extraluminal location of the lesions. For these reasons virtual endoscopy provides a road map for bronchoscopy as a guide for transbronchial biopsy and for endobronchial treatment planning. The limitation of this technique is its inability to evaluate the mucosal surface and distinguish flogosis from neoplastic lesions by biopsy. It can be used however in the postoperative follow-up both for cancer and transplant, when immediate biopsy is not necessary.
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La Radiologia medica · Nov 2001
Comparative Study[Current role of color Doppler ultrasound in acute renal failure].
Acute Renal Failure (ARF) is characterized by a rapid decline of the glomerular filtration rate, due to hypotension (prerenal ARF), obstruction of the urinary tract (post-renal ARF) or renal parenchymal disease (renal ARF). The differential diagnosis among different causes of ARF is based on anamnesis, clinical symptoms and laboratory data. Usually ultrasound (US) is the only imaging examination performed in these patients, because it is safe and readily available. ⋯ Moreover, perfusion defects due to stenosis or thrombosis of the renal segmentary vessels are better recognized. New diagnostic possibilities of enhanced US include evaluation of both cortical and medullar vessels, and functional evaluation of renal perfusion. Measuring the transit time of the microbubbles is useful for the diagnosis of renal artery stenosis and, in transplanted kidneys, for differential diagnosis between ATN and acute rejection.
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La Radiologia medica · Nov 2001
Comparative Study[Pain and anxiety related to mammography in breast cancer patients. Psychological evaluation in an experimental study].
Previous research focusing on one-time screening rather than repeat adherence, have largely pointed out that anxiety levels and pain expectation are the most common factors which may act as a barrier to mammography. These studies also show that anxiety pain and depression are very often associated with the experience of mammography. The aim of this study was to evaluate whether a supportive psychological intervention can be effective in reducing these feelings in patients undergoing follow-up mammography ⋯ The results of this study show that our psychological intervention significantly lowered the levels of state anxiety and pain but it had no effect on depression. A psychological approach giving patients both emotional and informational support about the examination, may significantly reduce state anxiety levels and the pain felt during mammography.