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10.1016/j.crad.2021.02.008 http://scihub22266oqcxt.onion/10.1016/j.crad.2021.02.008 33712292!7906509!33712292     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Clin+Radiol 2021 ; 76 (5): 391.e33-391.e41 Nephropedia Template TP {{tp|p=33712292|t=2021. Evaluation of pulmonary ventilation in COVID-19 patients using oxygen-enhanced three-dimensional ultrashort echo time MRI: a preliminary study |pdf=|usr=}}{{33712292}} gab.com Text Evaluation of pulmonary ventilation in COVID-19 patients using oxygen-enhanced three-dimensional ultrashort echo time MRI: a preliminary study JO: Clin Radiol http://www.kidney.de/pget.php?&tw=1&pmid=33712292 #FOAvip AIM: To evaluate the lung function of coronavirus disease 2019 (COVID-19) patients using oxygen-enhanced (OE) ultrashort echo time (UTE) MRI. MATERIALS AND METHODS: Forty-nine patients with COVID-19 were included in the study. The OE-MRI was based on a respiratory-gated three-dimensional (3D) radial UTE sequence. For each patient, the percent signal enhancement (PSE) map was calculated using the expression PSE = (S(100%) - S(21%))/S(21%), where S(21%) and S(100%) are signals acquired during room air and 100% oxygen inhalation, respectively. Agreement of lesion detectability between UTE-MRI and computed tomography (CT) was performed using the kappa test. The Mann-Whitney U-test was used to evaluate the difference in the mean PSE between mild-type COVID-19 and common-type COVID-19. Spearman's test was used to assess the relationship between lesion mean PSE and lesion size. Furthermore, the Mann-Whitney U-test was used to evaluate the difference in region of interest (ROI) mean PSE between normal pulmonary parenchyma and lesions. The Kruskal-Wallis test was applied to test the difference in the mean PSE between different lesion types. RESULTS: CT and UTE-MRI reached good agreement in lesion detectability. Ventilation measures in mild-type patients (5.3 +/- 5.5%) were significantly different from those in common-type patients (3 +/- 3.9%). Besides, there was no significant correlation between lesion mean PSE and lesion size. The mean PSE of COVID-19 lesions (3.2 +/- 4.9%) was significantly lower than that of the pulmonary parenchyma (5.4 +/- 3.9%). No significant difference was found among different lesion types. CONCLUSION: OE-UTE-MRI could serve as a promising method for the assessment of lung function or treatment management of COVID-19 patients. Twit Text FOAVip Evaluation of pulmonary ventilation in COVID-19 patients using oxygen-enhanced three-dimensional ultrashort echo time MRI: a preliminary study ????Clin Radiol http://www.kidney.de/pget.php?&tw=1&pmid=33712292 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33712292 #FOAvip English Wikipedia <ref>{{Cite pmid|33712292}}</ref> Evaluation of pulmonary ventilation in COVID-19 patients using oxygen-enhanced three-dimensional ultrashort echo time MRI: a preliminary study #MMPMID33712292 Zhao F; Zheng L; Shan F; Dai Y; Shen J; Yang S; Shi Y; Xue K; Zhang Z Clin Radiol 2021[May]; 76 (5): 391.e33-391.e41 PMID33712292show ga AIM: To evaluate the lung function of coronavirus disease 2019 (COVID-19) patients using oxygen-enhanced (OE) ultrashort echo time (UTE) MRI. MATERIALS AND METHODS: Forty-nine patients with COVID-19 were included in the study. The OE-MRI was based on a respiratory-gated three-dimensional (3D) radial UTE sequence. For each patient, the percent signal enhancement (PSE) map was calculated using the expression PSE = (S(100%) - S(21%))/S(21%), where S(21%) and S(100%) are signals acquired during room air and 100% oxygen inhalation, respectively. Agreement of lesion detectability between UTE-MRI and computed tomography (CT) was performed using the kappa test. The Mann-Whitney U-test was used to evaluate the difference in the mean PSE between mild-type COVID-19 and common-type COVID-19. Spearman's test was used to assess the relationship between lesion mean PSE and lesion size. Furthermore, the Mann-Whitney U-test was used to evaluate the difference in region of interest (ROI) mean PSE between normal pulmonary parenchyma and lesions. The Kruskal-Wallis test was applied to test the difference in the mean PSE between different lesion types. RESULTS: CT and UTE-MRI reached good agreement in lesion detectability. Ventilation measures in mild-type patients (5.3 +/- 5.5%) were significantly different from those in common-type patients (3 +/- 3.9%). Besides, there was no significant correlation between lesion mean PSE and lesion size. The mean PSE of COVID-19 lesions (3.2 +/- 4.9%) was significantly lower than that of the pulmonary parenchyma (5.4 +/- 3.9%). No significant difference was found among different lesion types. CONCLUSION: OE-UTE-MRI could serve as a promising method for the assessment of lung function or treatment management of COVID-19 patients. |*Pulmonary Ventilation[MESH] |Adolescent[MESH] |Adult[MESH] |Aged[MESH] |COVID-19/*diagnostic imaging/*physiopathology[MESH] |Feasibility Studies[MESH] |Female[MESH] |Humans[MESH] |Imaging, Three-Dimensional[MESH] |Lung/*diagnostic imaging/physiopathology[MESH] |Magnetic Resonance Imaging/*methods[MESH] |Male[MESH] |Middle Aged[MESH] |Oxygen[MESH] |Prospective Studies[MESH] |SARS-CoV-2[MESH] |Severity of Illness Index[MESH] |Tomography, X-Ray Computed[MESH]Evaluation of pulmonary ventilation in COVID-19 patients using oxygen-(epmc).pdf DeepDyve Pubget Overpricing