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Purpose All studies concerning the reliability and threshold prediction of auditory steady-state responses (ASSR) focused on a particular group of patients. The present article evaluates the use of narrow-band, chirp-evoked ASSR for testing hearing in adults and children of all ages and with different types of hearing loss, as well as normal hearing. The aims are to determine whether there are possible influencing factors, mainly the degree of hearing loss; and to validate the clinical value of using ASSR with chirp-stimuli. Methods This is a retrospective study of 667 patients who had been diagnosed with and treated for hearing loss at our tertiary referral center. The following results were compared ASSR to pure tone audiometry (PTA); click-ABRs to PTA; and click-ABRs to ASSR. We then calculated mean, median and standard deviation. A regression analysis was used to examine the correlation between ASSR and click-ABRs; "estimated" audiogram and PTA; click-ABRs and PTA; and ASSR and PTA. Results We found significant correlations at all frequencies when comparing ASSR to click-ABRs, click-ABRs to PTA, and ASSR to PTA. Concerning the degree of hearing loss, there were significant differences between the patients with normal hearing and those with moderate-to-profound hearing loss. Conclusion ASSR with narrow-band chirps are a reliable tool for estimating hearing thresholds in children and adults with all kinds of hearing loss. We have demonstrated that threshold differences between PTA and ASSR are negligible in the clinical routine. The "estimated" ASSR audiogram is a good approach for communicating ASSR results to the average user.Thoracic endovascular aortic repair (TEVAR) was proved to be effective in thoracic descending aortic aneurysm (TDAA) repair in 1994 and approved by the FDA in 2005. Since then, TEVAR has become the first-line, recommended treatment for intact or ruptured DTAA or as a bridge to definitive open surgical repair in connective tissue disease. TEVAR has decreased perioperative morbidity and mortality compared to open surgery due to the lack of thoracotomy, aortic cross-clamping and left heart bypass. Improvement in materials, manufacturing and device delivery systems have allowed for the expansion of indications. Thoughtful and accurate pre-procedure planning is the hallmark of successful TEVAR. Familiarization and adherence to the instructions for use for an aortic device will give the best possible chance of success.Aim European Society for Medical Oncology (ESMO) and National Comprehensive Cancer Network guidelines (NCCN) have recently included interventional procedures among the standard treatments for the management of colorectal cancer (CRC) oligometastatic disease (OMD). This study overviews the practice of Interventional Radiology (IR) in Italian centers. Methods A practice focused questionnaire on locoregional treatments of CRC-OMD was submitted to all Italian IR centers to assess practice patterns. Results Thirty-three IR centers completed the questionnaire. The majority reported practice was established within a tumor board (97%), which included input from hepatobiliary surgery (94%). When considering the number of percutaneous ablation and liver-directed trans-arterial therapies performed for all tumor types, 33.5% and 13.4% were performed to specifically treat CRC-OMD. Lung ablations for CRC OMD were performed in 45.5% of centers. Regarding liver ablation, The most common technology was the microwave ablation (68.1%), which was typically performed under US guidance (78%) with conscious sedation used as the most common anaesthesia method (81%). While indication for percutaneous IR treatments was heterogeneous, 51% were performed in combination with chemotherapy in unresectable OMD. Despite new ESMO and NCCN guidelines, 59% of centers did not subjectively appreciate any change in the perception of IR treatments by other specialists; however, 63%of respondents believe that IR will have a more relevant role in the CRC-OMD management in the future. Conclusion CRC-OMD treatment represents a relevant part of the everyday clinical practice of the IR Italian centers with promising future prospects. Heterogeneity persists in clinical indications, requiring more robust evidence to set indications and to diffuse clinical applications.COTI (collar therapy indicator) has been recently introduced for the detection of gamma rays with emphasis on thyroid investigations. The aim of this study was to test the feasibility of a prototype version of COTI including activity detectors with low sensitivity in performing thyroid uptake measurements for a large group of patients. Consequently, thyroid uptake tests were carried out for a total of 89 patients (22 males and 67 females; age 44 ± 13 years) with thyroid cancer (n = 74), hyperthyroidism (n = 16) at 2 and 24 h after administration of 0.44-2 MBq of 131I. Eight individuals among the thyroid cancer patients were monitored up to 96 h after administration. The COTI device was equipped with two CsI (Tl) detectors, known as LoHi type, sensitive to activity ranges from 0.02 to 30 MBq of 131I. The uptake values from COTI were compared with those measured with a standard probe. It was found that the mean uptake of thyroid activity in thyroid cancer patients was 2.1 ± 1.3% at 2 h when measured with the sttotype of COTI used in the present study has been proved to be a feasible and promising tool in thyroid investigations. It is noted, however, that the next COTI generation should include detectors equipped with collimator and energy discrimination.Background Celiac axis compression syndrome (CACS) is a relatively rare disease. https://www.selleckchem.com/products/Abiraterone.html Because of the nature of the blood flow in the celiac region when a pancreatoduodenectomy (PD) is performed for CACS, the celiac region can become ischemic. The aim of this study is to report on the importance of pre-operative diagnosis of CACS in terms of the outcomes for patients post-operatively. In this study, three 3 cases of PD co-morbid with CACS are reported one intra-operative diagnosis case and two pre-operative diagnosis cases. Case presentation The one case, not diagnosed with CACS prior to the operation, had a hard post-operative course because of complication caused by ischemia of the celiac region compared with the two cases diagnosed prior to the operation, who had a good post-operative course because of pre-operative or intra-operative intervention. Conclusions Post-operative complications due to CACS are preventable by pre-operative diagnosis and appropriate interventions.
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