Functional deficits of the forehead and midface can pose significant problems for patients varying from mild asymmetry to various degrees of functional impairment including total paralysis. Our objectives were to analyse the use of bio-absorbable implants to reconstruct forehead and midface deficits, all of which were for functional (noncosmetic) reasons. This study was a retrospective case series between 2008 and 2018. Institutional review board approval was obtained from the Beaumont Health Human Investigation Committee. Surgeries were performed at a tertiary care centre. We evaluated 50 patients who underwent correction of functional deficits of forehead, eyebrow, and midface using the endoscopic technique and bio-absorbable implants. Patient demographics and indicated etiologies and characterization of minor and major complications and their occurrence rates were characterized. Fifty patients were included in the study from 2008 to 2018, with 68% female and 32% male. Combined blepharoplasty and browal impairment and risk of complication. The goal of rhinoplasty is not exclusively aesthetic and the nasal function should always be considered. Several rhinoplasty techniques can participate in nasal valve dysfunction (eg, dorsal hump reductions). Therefore, mid-nasal vault reconstruction by spreader grafts or flaps is mandatory in these cases. To date, there is a literature gap in comparing both techniques objectively. This study shows an objective comparison between spreader grafts and flaps for mid-nasal vault reconstruction. This study was a double-blind randomized controlled trial including 40 patients who were randomly divided into 2 groups. Group 1 (20 patients) underwent spreader grafts insertion, whereas group 2 (20 patients) underwent spreader flap placement technique. Pre-operative active anterior rhinomanometry measurements were compared to 6-month post-operative measurements. Data were summarized as mean (standard deviation) for the quantitative variables. Comparisons between the 2 groups were done using unpaired test. In both groups, a significant decrease in nasal resistance was noted in both the right and left sides 6 months post-operatively ( < .001). However, the comparison between the 2 both groups showed no statistical significance. Both spreader grafts and flaps, which are used for the mid-nasal vault reconstruction, have comparable and effective results in reducing the nasal resistance as evidenced by active anterior rhinomanometry measurements. Both spreader grafts and flaps, which are used for the mid-nasal vault reconstruction, have comparable and effective results in reducing the nasal resistance as evidenced by active anterior rhinomanometry measurements.Bone loss occurs in both sexes as a result of ageing but is exacerbated in women by the hormonal changes associated with menopause. Unlike in women, secondary osteoporosis occurs in almost half of men diagnosed with osteoporosis. Moreover, vertebral fractures (VFs) seen in elderly men may more likely be the result of high energy trauma. The osteoporotic vertebral fracture (OVF) radiograph diagnosis criteria for women may not be directly applicable for men. Particular attention should be paid to the mid-thoracic level where over-diagnosis commonly occurs. For wedge-shaped vertebral deformities (VDs) or VDs with anterior height reduction only, a diagnosis of OVF requires great caution, as they are poorly correlated to bone mineral density (BMD). For age-matched subjects, it is likely that elderly men's prevalent radiographic OVFs are approximately half of the elderly women's. This male-female ratio is very similar to other clinical fractures such as those occurring at the hip. Even so, the clinical relevance of OVF in elderly men may be less than that of elderly women. On the other hand, for elderly men with hip BMD-based osteoporosis, the OVF risk is as high as that of osteoporotic women. Elderly Chinese men have a lower OVF prevalence than age-matched Caucasian men. Increased prevalence of acute pulmonary embolism in COVID-19 has been reported in few recent studies. Some works have highlighted pathological changes on lung microvasculature with local pulmonary intravascular coagulopathy that may explain pulmonary artery thrombosis found on pulmonary computed tomography (CT) angiography. The objective of our study was to describe lung perfusion disorders assessed by pulmonary dual-energy CT (DECT) angiography in severe COVID-19 patients. This single center retrospective study included 85 consecutive patients with a reverse transcriptase-polymerase chain reaction diagnosis of SARS-CoV-2 who underwent a pulmonary DECT angiography between March 16 2020 and April 22 2020. Pulmonary DECT angiography was performed when the patient had severe clinical symptoms or suffered from active neoplasia or immunosuppression. Two chest radiologists performed pulmonary angiography analysis in search of pulmonary artery thrombosis and a blinded semi quantitative analysis of iodine col Pulmonary perfusion evaluated by iodine concentration maps shows extreme heterogeneity in COVID-19 patients and lower iodine levels in normal parenchyma. Pulmonary ischemic areas were more frequent and larger in patients with pulmonary artery thrombosis. Pulmonary DECT angiography revealed a significant number of pulmonary ischemic areas even in the absence of visible pulmonary arterial thrombosis. https://www.selleckchem.com/products/dwiz-2.html This may reflect microthrombosis associated with COVID-19 pneumonia. Pulmonary perfusion evaluated by iodine concentration maps shows extreme heterogeneity in COVID-19 patients and lower iodine levels in normal parenchyma. Pulmonary ischemic areas were more frequent and larger in patients with pulmonary artery thrombosis. Pulmonary DECT angiography revealed a significant number of pulmonary ischemic areas even in the absence of visible pulmonary arterial thrombosis. This may reflect microthrombosis associated with COVID-19 pneumonia. Cardiovascular magnetic resonance (CMR) image acquisition techniques during exercise typically requires either transient cessation of exercise or complex post-processing, potentially compromising clinical utility. We evaluated the feasibility and reproducibility of a navigated image acquisition method for ventricular volumes assessment during continuous physical exercise. Ten healthy volunteers underwent supine cycle ergometer (Lode) exercise CMR on two separate occasions using a free-breathing, multi-shot, navigated, balanced steady-state free precession cine pulse sequence. Images were acquired at 3-stages, baseline and during steady-state exercise at 55% and 75% maximal heart rate (HR ), based on a prior supine cardiopulmonary exercise test. Intra-and inter-observer variability and inter-scan reproducibility were derived. Clinical feasibility was tested in a separate cohort of patients with severe mitral regurgitation (n=6). End-diastolic volume (EDV) of both LV and RV decreased during exercise at 55% and 75% HR , although a reduction in RVEDV index was only observed at 75% HR .