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To compare the measurements of fat fraction (FF) and in-phase vs. opposed-phase ratio between two-dimensional T2-weighted (T2W) spin-echo (SE) Dixon and three-dimensional (3D) T1-weighted (T1W) volume interpolated breath-hold examination (VIBE) Dixon sequences in malignant vertebral lesions and normal vertebral bone marrow. Thirty patients with focal vertebral malignancies (20 men, mean age, 67.3±9.4 [SD] years; age range 41-84 years) and 30 patients without malignant spinal disease (11 men, mean age, 70.1±12.9 [SD]; age range 53-93 years) were retrospectively included. Each patient underwent spine MRI at 1.5 Tesla including T2W SE and T1W VIBE 2-point Dixon sequences. Two readers independently performed 3D-volume of interest (VOI) and region of interest (ROI)-based FF and IO-ratio measurements of malignant lesions and normal vertebrae. Student t-test, Pearson correlation (r) test and two-way mixed model intraclass correlation coefficients (ICC) were used to compare measurements. T2W SE and T1W VIBE mead gave valid results that help discriminate between malignant vertebral lesions and normal vertebral bone marrow. The MANTA is a dedicated plug-based large-bore vascular closure device (VCD) providing safe hemostasis in most patients, but data on the clinical impact and mechanisms of MANTA related complications are limited. This study sought to determine the frequency, impact and predictors of MANTA-related access complications. This patient-level meta-analysis included data from 2 medical device approval studies and 1 post-approval registry. The primary endpoint was the composite of major and minor access complications. Technical success was defined as hemostasis with MANTA closure device without need for vascular surgery or stenting. Eight hundred ninety-one patients (mean age 80) underwent transcatheter aortic valve replacement (n=814), endovascular aortic repair (n=71), balloon aortic valvuloplasty (n=4) or mechanical circulatory support (n=2). Technical success was 96.4% and median time to hemostasis was 31 (interquartile range 17-76) seconds. The primary endpoint occurred 9.1% and bailout vascular surgery or nation of a small femoral artery diameter with a deep arteriotomy). Patients exhibiting the latter were especially at risk for vessel dissection, stenosis or closure. 95%. Independent predictors of MANTA failure were female gender, left femoral access and unfavorable arteriotomy phenotype (i.e. combination of a small femoral artery diameter with a deep arteriotomy). Patients exhibiting the latter were especially at risk for vessel dissection, stenosis or closure. The collagen-based MANTA device (Teleflex, PA, USA) is used for closure of large-bore vascular access. There is a paucity of data on complications associated with its use in a real-life setting. We queried the "Manufacturer and User Facility Device Experience" MAUDE database between February 2019 and December 2020 for reports on MANTA device. We identified 250 reports in the MAUDE database from February 2019 through December 2020. The most common failure complication of MANTA is persistent bleeding (48.8%) and vessel occlusion or stenosis (29.6%). Most complications were managed successfully with an endovascular approach (48.4%), but a high number of patients required surgical intervention (40.4%). The most commonly reported failure mechanism was the failure of deployment (22%) followed by subcutaneous deployment (7.6%), intraluminal deployment (4.8%) amd detachment of collagen (2.8%). Access site infection was rare (1.2%). The 18Fr. MANTA was associated with a lower risk of failure of deployment compared with the 14Fr. device but was associated with a higher risk of vessel occlusion or stenosis (32.4% vs. 16.3%, p=0.04) and thrombosis (11.6% vs 0%, p=0.03). The most common complication of the MANTA device reported to the MAUDE registry was persistent bleeding (48.8% of reports) followed by vessel occlusion (29.6%). These complications were managed successfully using an endovascular approach in 48.4% of the reports. The most common complication of the MANTA device reported to the MAUDE registry was persistent bleeding (48.8% of reports) followed by vessel occlusion (29.6%). These complications were managed successfully using an endovascular approach in 48.4% of the reports.Although mostly associated with good survival outcomes, some patients with HPV-positive oropharyngeal squamous cell carcinoma develop distant metastasis and face dire prognosis. The aim of this study was to analyze distant metastatic patients in regards to survival, clinical staging, therapy approach and p16/HPV status. This retrospective single-centre study assessed patients with HPV-associated oropharyngeal cancer with distant metastasis treated in a tertiary referral center from 2005 to 2019. Overall- (OS) and survival after diagnosis of distant metastasis (OMS), clinical staging and different therapy approaches were assessed. Moreover, the overall mortality was assessed, as well as the association of different therapy approaches and p16/HPV status with the survival outcome. Out of 211 patients with HPV-associated oropharyngeal cancer that were treated in the study period, 15 developed distant metastases (7.1%). https://www.selleckchem.com/products/mptp-hydrochloride.html Median OS and OMS of the total group were 11 months (range 0.1-32 months) and 3 months (range 0.1-21 months), respectively. The overall mortality rate was 53.3% (n = 8). Significantly better outcome was present in patients treated with primary chemoradiotherapy (median OS 17 months vs. not reached, p = .03, median OMS 8 months vs not reached, p = .05). The OMS was significantly better in patients treated with chemotherapy initially after diagnosis (mean OMS 21 months vs 4 months; P = .001). Surgical resection after initial diagnosis was associated with a significantly shorter OMS (median OMS 3 vs. 21 months, p = .005). Interestingly, postoperative adjuvant therapy was delayed in all of these cases due to surgical site complications. Systemic treatment after initial diagnosis may be beneficial in clinical outcome of HPV associated distant metastases. Furthermore, surgical site complications should be treated with immediate care in order to avoid delay of adjuvant therapy. Further studies are warranted for validation of our results.
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