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5Gy (range, 59.4-76.0Gy). The ORR for all patients was 71%, and complete response/partial response were 50%/25% in R-SCC and 8%/62% in R/LA-nSCC. The 2-year overall survival for R-SCC and R/LA-nSCC were 58% and 100%, respectively. The median LRPFS was 11.5months for R-SCC. Frequently observed adverse events included alopecia (95%), hyperamylasemia (86%), and nausea (81%). These data suggest that BNCT using C-BENS with borofalan ( B) is a promising treatment option for patients with R-SCC or R/LA-nSCC of the head and neck. These data suggest that BNCT using C-BENS with borofalan (10B) is a promising treatment option for patients with R-SCC or R/LA-nSCC of the head and neck. Whole brain radiotherapy (WBRT) is a common treatment option for brain metastases secondary to non-small cell lung cancer (NSCLC). Data from the QUARTZ trial suggest that WBRT can be omitted in selected patients and treated with optimal supportive care alone. Nevertheless, WBRT is still widely used to treat brain metastases secondary to NSCLC. We analysed decision criteria influencing the selection for WBRT among European radiation oncology experts. Twenty-two European radiation oncology experts in lung cancer as selected by the European Society for Therapeutic Radiation Oncology (ESTRO) for previous projects and by the Advisory Committee on Radiation Oncology Practice (ACROP) for lung cancer were asked to describe their strategies in the management of brain metastases of NSCLC. Treatment strategies were subsequently converted into decision trees and analysed for agreement and discrepancies. Eight decision criteria (suitability for SRS, performance status, symptoms, eligibility for targeted therapy, extra-cranial tumour control, age, prognostic scores and "Zugzwang" (the compulsion to treat)) were identified. WBRT was recommended by a majority of the European experts for symptomatic patients not suitable for radiosurgery or fractionated stereotactic radiotherapy. There was also a tendency to use WBRT in the ALK/EGFR/ROS1 negative NSCLC setting. Despite the results of the QUARTZ trial WBRT is still widely used among European radiation oncology experts. Despite the results of the QUARTZ trial WBRT is still widely used among European radiation oncology experts. Proton Pencil Beam Scanning (PBS) is an attractive solution to realize the advantageous normal tissue sparing elucidated from FLASH high dose rates. The mechanics of PBS spot delivery will impose limitations on the effective field dose rate for PBS. This study incorporates measurements from clinical and FLASH research beams on uniform single energy and the spread-out Bragg Peak PBS fields to extrapolate the PBS dose rate to high cyclotron beam currents 350, 500, and 800nA. The impact of the effective field dose rate from cyclotron current, spot spacing, slew time and field size were studied. When scanning magnet slew time and energy switching time are not considered, single energy effective field FLASH dose rate (≥40Gy/s) can only be achieved with less than 4×4 cm fields when the cyclotron output current is above 500nA. Slew time and energy switching time remain the limiting factors for achieving high effective dose rate of the field. The dose rate-time structures were obtained. The amount of the total dose delivered at the FLASH dose rate in single energy layer and volumetric field was also studied. It is demonstrated that while it is difficult to achieve FLASH dose rate for a large field or in a volume, local FLASH delivery to certain percentage of the total dose is possible. With further understanding of the FLASH radiobiological mechanism, this study could provide guidance to adapt current clinical multi-field proton PBS delivery practice for FLASH proton radiotherapy. It is demonstrated that while it is difficult to achieve FLASH dose rate for a large field or in a volume, local FLASH delivery to certain percentage of the total dose is possible. With further understanding of the FLASH radiobiological mechanism, this study could provide guidance to adapt current clinical multi-field proton PBS delivery practice for FLASH proton radiotherapy. Compliance with hand hygiene (HH) standards is a critical component to reducing the prevalence of Health Care Acquired Infections (HAIs). The use of HH technologies is increasing and studies examining the success of these technologies on HH compliance and HAIs are important to inform standards of care. COVID-19 has emphasized compliance HH standards. This study evaluated HH compliance and Clostridium difficile (C difficile) rates following implementation of an HH technology at a long-term acute care hospital. The HH technology required nursing and other staff with direct patient contact to wear a "badge" that measured alcohol concentration on a health care worker's hands or time washing hands at designated sinks upon exit/entry of patient rooms. No changes were made to environmental cleaning or antibiotic stewardship standards. Compliance and infection rates were compared 12 months pre-post implementation during 2017-2019. There was an increase in HH compliance (89.82%-97.10%, P< .001)) and a reduction in the incidence of C. difficile (9.541-3.720, P= .0032). The HH technology significantly and quickly increased HH compliance and reduced rates of C difficile. The technology provided ancillary benefits, including data tracing of all patient and staff contacts and cross-contamination events. The HH technology significantly and quickly increased HH compliance and reduced rates of C difficile. The technology provided ancillary benefits, including data tracing of all patient and staff contacts and cross-contamination events. Mobile phones may be contaminated with nosocomial pathogens such as methicillin-resistant Staphylococcus aureus (MRSA). The aim of this study was to investigate the MRSA contamination rate on doctors' hospital-use-only mobile phones and the efficacy of 222-nm ultraviolet light (UV) disinfection. We investigated the MRSA contamination rate of doctors' hospital-use-only mobile phones, as well as the reduction in MRSA counts on plastic plates and aerobic bacteria (AB) on mobile phones before and after exposure to 222-nm UV irradiation. Five (10%) of the 50 mobile phones investigated were contaminated with MRSA. https://www.selleckchem.com/products/BIBF1120.html Exposure to 0.1 mJ/cm 222-nm UVC irradiation for 1.5 and 2.5 min (9 and 15 mJ/cm ) achieved mean log MRSA colony-forming units reductions of 2.91 and 3.95, respectively. Exposure to 9 mJ/cm 222-nm UVC irradiation (0.1 mW/cm for 1.5 minutes) significantly reduced AB contamination on mobile phones (P < .001). The use of 222-nm UV disinfection resulted in effective in vitro reduction of MRSA and significantly reduced AB contamination of mobile phone surfaces.
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