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His work was a fundamental inspiration for his students, in particular Gaspard Bauhin and William Harvey.Objective This study aimed to evaluate the protocol adopted during the emergency phase of the COVID-19 pandemic to maintain elective activity in a vascular surgery unit while minimising the risk of contamination to both patients and physicians, and the impact of this activity on the intensive care (IC) resources. Methods The activity of a vascular surgery unit was analysed from 8 March to 8 April 2020. Surgical activity was maintained only for acute or elective procedures obeying priority criteria. The preventive screening protocol consisted of nasopharyngeal swabs (NPS) for all patients and physicians with symptoms and for unprotected contact infected cases, and serological physician evaluations every 15 days. Patients treated in the acute setting were considered theoretically infected and the necessary protective devices were used. The number of patients and the possible infection of physicians were evaluated. The number and type of interventions and the need for post-operative IC during this period were coy phase of the COVID-19 pandemic, with no contamination of patients or physicians and minimal need for IC resources.Objectives The aims of this study were to determine, in Australian pulmonary rehabilitation programs for people with COPD (1) whether oxygen saturation (SpO2) was monitored during exercise testing; (2) whether supplemental oxygen was available during exercise testing and/or training; (3) whether oxygen was prescribed during exercise training; and the reason for providing oxygen; (4) whether a protocol was available for supplemental oxygen prescription during exercise training. Methods This was a cross-sectional multi-center study using a purposed-designed survey. De-identified survey data were analyzed and the absolute number and percentage of responses were recorded for each question. Results The survey was sent to 261 pulmonary rehabilitation programs and 142 surveys (54%) were available for analysis. Oxygen saturation was monitored during exercise testing in 92% of programs. Supplemental oxygen was available in the majority of programs during exercise testing (82%) and training (84%). The rationale cited by 87 programs (73%) for prescribing oxygen during exercise training was maintaining SpO2 above a threshold ranging from SpO2 80-88%. Forty-five (32%) programs had a protocol for oxygen prescription during exercise training. Conclusion While monitoring of SpO2 during exercise testing and using supplemental oxygen during testing and training is common in Australian pulmonary rehabilitation programs, few programs had a protocol in place for the prescription of supplemental oxygen for people with COPD who were not on long-term oxygen therapy. This may be due to lack of strong evidence to support the use of supplemental oxygen during exercise training.This report describes the fabrication of a custom healing stent for second stage implant surgery in advanced jaw reconstruction. Postoperative computed tomography data and digital dental implant component libraries were used to create a custom healing stent to fit connected implant abutments without the need for a definitive abutment impression. After segmentation of the dental implants and importation into computer-aided design software, the appropriate digital implant componentry was aligned to the dental implants. The healing stent was then virtually designed, rapid prototyped, and then converted into a biocompatible and sterilizable material by using conventional laboratory methods. The methods presented offer clinicians the opportunity to insert a healing stent at second stage implant surgery with no need to create a stent or obtain an impression during the procedure.Statement of problem The fit of a 3D printed surgical template will directly influence the accuracy of guided implant surgery. Various 3D printing technologies are currently available with different levels of resolution and printing accuracy; however, how the different systems affect accuracy is unclear. Purpose The purpose of this in vitro study was to assess the effect of using various 3D printers for the fabrication of implant surgical templates and its effect on the definitive implant position compared with the planned implant position. Material and methods A cone beam computed tomography scan from a partially edentulous patient and an extraoral digital scan of a dental cast obtained from the same patient were used. The digital imaging and communications in medicine and standard tessellation language (STL) files were imported to an implant planning software and merged, and an implant was digitally positioned in the mandibular right first molar region. A surgical template was designed and exported as an STe median and interquartile range for the angle deviation (degrees) were 1.30 (0.62) for SLA; 1.15 (1.23) for Polyjet; and 1.10 (0.65) for Multijet. No statistically significant differences were found in the angular deviation among groups (χ2(2)=3.08, P=.21). The median and interquartile range for the entry offset and apex offset (mm) were 0.19 (0.16) and 0.36 (0.16) for SLA, respectively; 0.20 (0.13) and 0.34 (0.26) for Polyjet, respectively; and 0.23 (0.10) and 0.32 (0.08) for Multijet, respectively. Similarly, nonsignificant differences were found for entry point offset (χ2(2)=0.13, P=.94) and apex offset (χ2(2)=1.08, P=.58). Conclusions The different types of 3D printing technology used in this study did not appear to have a significant effect on the accuracy of guided implant surgery.Introduction N-methyl-d-aspartate receptor antibody (NMDAR-Ab) encephalitis consensus criteria has recently been defined. CD532 price We aimed to examine the prevalence of NMDAR-Ab encephalitis in patients with first episode psychosis (FEP) and treatment resistant schizophrenia (TRS) on clozapine, using clinical investigations, antibody testing and to retrospectively apply diagnostic consensus criteria. Methods Adult (18-65 years old) cases of FEP meeting inclusion criteria were recruited over three years and assessed using the Structured Clinical Interview for DSM-IV disorders (SCID). NMDAR-Ab was identified using a live cell-based assay (L-CBA). Seropositive cases were clinically investigated for features of encephalitis including neuro-imaging, EEG and CSF where possible. Serum was retested using immunohistochemistry (IHC) as part of diagnostic criteria guidelines. A cohort of patients with TRS was also recruited. Results 112 FEP patients were recruited over 3 years. NMDAR-Ab seroprevalence was 4/112 (3.5%) cases. One case ( less then 1%) was diagnosed with definite NMDAR-Ab encephalitis and treated with immunotherapy.
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