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By including different variables, three different regression models were obtained. The full model including all predictors mentioned above showed a C-index of 0.831 and blood transfusion showed no statistically significance in this model. The reduced model 1 including blood transfusion showed a C-index of 0.809. Another reduced model which included pre-operative and intra-operative variables showed a C-index of 0.814 and this model could be used for early sepsis risk estimation. CONCLUSION Pre-operative IL-6 was an independent risk factor for sepsis following PD. The three different predictive models could help early sepsis estimation for patients underwent PD. © 2020 Royal Australasian College of Surgeons.RATIONALE Understanding current early mobilization practice of patients in intensive care unit (ICU) is critical to the design and implementation of strategies to facilitate its application in a diverse population of critically ill patients encountered in public sector hospitals. AIM To evaluate the organizational structures of South African public sector hospital ICUs and to describe early mobilization practices in these units. METHODS A cross-sectional survey was done in participating public hospitals from eight provinces in South Africa. Convenience sampling was done. Data collected included hospital and ICU structure, adult patient demographic and clinical data, and mobilization activities done in ICU over the previous 24 hours prior to the day of the survey. RESULTS A total of 29 ICUs from 13 participating hospitals were surveyed resulting in 205 patient records. Majority of the surveyed ICUs were "open" type (n = 16; 55.2%). A standardized sedation scoring system was used in 18 units (62.1%) and only twd.PURPOSE To develop a novel biological dosimetric margin (BDM) and to create a biological conversion factor (BCF) that compensates for the difference between physical dosimetric margin (PDM) and BDM, which provides a novel scheme of a direct estimation of the BDM from the physical dose (PD) distribution. METHODS The offset to isocenter was applied in 1-mm steps along left-right (LR), anterior-posterior (AP), and cranio-caudal (CC) directions for 10 treatment plans of lung stereotactic body radiation therapy (SBRT) with a prescribed dose of 48 Gy. These plans were recalculated to biological equivalent dose (BED) by the linear-quadratic model for the dose per fraction (DPF) of d = 3-20 Gy/fr and α / β = 3 - 10 . BDM and PDM were defined so that the region that satisfied that the dose covering 95% (or 98%) of the clinical target volume was greater than or equal to the 90% of the prescribed PD and BED, respectively. An empirical formula of the BCF was created as a function of the DPF. RESULTS There was no significant difference between LR and AP directions for neither the PDM nor BDM. On the other hand, BDM and PDM in the CC direction were significantly larger than in the other directions. BCFs of D95% and D98% were derived for the transverse (LR and AP) and longitudinal (CC) directions. CONCLUSIONS A novel scheme to directly estimate the BDM using the BCF was developed. This technique is expected to enable the BED-based SBRT treatment planning using PD-based treatment planning systems. © 2020 The Authors. https://www.selleckchem.com/products/blebbistatin.html Journal of Applied Clinical Medical Physics published by Wiley Periodicals, Inc. on behalf of American Association of Physicists in Medicine.BACKGROUND Laparoscopic pancreaticoduodenectomy (LPD) is gaining interest with several series reporting favourable outcomes. However, there are significant limitations to the successful implementation of LPD programmes in Australian and New Zealand (ANZ) settings. This study presents a local series of consecutive hybrid LPD (HLPD) and a suggested protocol for implementation of an LPD programme in ANZ settings. METHODS A retrospective review of consecutive patients undergoing HLPD with a laparoscopic resection and open reconstruction performed by a single surgeon at two centres in Sydney, Australia, between February 2014 and October 2019 was undertaken. Data were collected from a prospectively maintained database and patient records. RESULTS Eighteen patients underwent HLPD. Median operative time was 370 min, with a median laparoscopic resection time of 253 min. Median length of stay was 11 days. There was no mortality within 90 days. Post-operative complications included two patients requiring a return to operating theatre for post-operative pancreatic fistula, and five patients with delayed gastric emptying. Median number of lymph nodes harvested was 13 (interquartile range 11-15.8). Resection margins were negative in 15 patients (83.3%). CONCLUSION HLPD is associated with satisfactory perioperative outcomes and may be feasible as a first step towards eventual implementation of LPD in ANZ hospitals. © 2020 Royal Australasian College of Surgeons.Amphetamine-type stimulant use, including methamphetamine, amphetamine, and 3,4-methylenedioxymethamphetamine, is associated with a range of behavioural symptoms. Screening for amphetamine-type stimulant use among people presenting to the emergency department with behavioural disturbance and referral to treatment has not been evaluated. The objective of this study was to determine the prevalence of amphetamine-type stimulant use among patients admitted to a behavioural assessment unit and report referral outcomes. A prospective observational design was used. Individuals who tested positive or self-reported amphetamine-type stimulant use were referred to the alcohol and other drug clinician. We measured the prevalence of amphetamine-type stimulant use in saliva and by self-report along with rates of referral. The setting was a behavioural assessment unit located within an Australian emergency department. Admitted adults were enrolled from July to December 2017. Those who tested positive or self-reported amphetamine-type stimulant use were provided with harm reduction advice and offered referral. Four hundred and seventy-two tests were performed. Fifteen were excluded due to invalid results or redundant enrolment. Of the 457 individuals, 59% were male, with a mean age of 35 years (SD 13). Fifty-three (11.6%, 95% CI 8.9-15.0) tested positive for amphetamine-type stimulants. Of those with a negative test, 44 (9.6%, 95% CI 7.3-12.7) self-reported amphetamine-type stimulant use in the previous 24 hours. The prevalence of amphetamine-type stimulant use was 21.2% (95% CI 17.7-25.2). Most accepted referral to the alcohol and other drug clinician (85.6%, 95% CI 77.2-91.2). The emergency visit represents a window of opportunity for screening for amphetamine-type stimulant use and initiating referrals. © 2020 Australian College of Mental Health Nurses Inc.
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