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The predictive performance of the nomograms was evaluated by the receiver operating characteristic curve and calibration chart. Area under curve of the preoperative and postoperative models were 0.755 (95% confidence interval 0.690-0.889) and 0.782 (95% confidence interval 0.720-0.936), respectively, indicating good discrimination ability. The calibration results showed good fitting between the predicted probability and the actual probability. Finally, a decision curve analysis revealed excellent clinical performance of the proposed nomograms. Functionally, the preoperative model was used to identify high-risk patients with CSDH and application of UK, while the postoperative model was applied to guide physician-patients communication during follow-up. find more These 2 prediction models provide a basis for further clinical and experimental studies.The aim of this study was to analyze lip shapes as represented in the British edition of Vogue over the last century (1916-2015). Photographs containing distinguishable lips were selected from a book entitled Vogue 100 A Century of Style. A total of 98 frontal pictures (20 males, 78 females) in which the lips and mouth were identifiable were included and analyzed in terms of 4 lip-related ratios (lip thickness-to-width ratio [LTW]; upper-to-lower vermillion ratio [ULR]; upper vermillion thickness-to-upper lip height ratio [VUL]; and lip-to-nose width ratio [LNW]). The LTW was 0.39 ± 0.07, and did not vary significantly over time (P = 0.261 [linear regression analysis]). The LTW of women (0.41 ± 0.07) was significantly greater than that of men (0.34 ± 0.05) (P  less then  0.001 [independent 2-samples t-test]). The ULR was 0.74 ± 0.16, and did not vary significantly over time (P = 0.647). There was no significant difference in the ULR between men (0.75 ± 0.10) and women (0.74 ± 0.17) (P = 0.769). The VUL was 0.43 ± 0.09, and did not vary significantly over time (P = 0.550). The VUL of women (0.44 ± 0.09) was significantly greater than that of men (0.37 ± 0.06) (P = 0.001). The LNW was 1.49 ± 0.19, and did not vary significantly over time (P = 0.619). There was no significant difference in the LNW between men (1.43 ± 0.16) and women (1.51 ± 0.19) (P = 0.082). The results of this study may be useful for planning facial rejuvenation operations, as well as for clinical practitioners dealing with brow esthetics or lip tattooing.The purpose of this study was to develop a quantitative AR-assisted free-hand orthognathic surgery method using electromagnetic (EM) tracking and skin-attached dynamic reference. The authors proposed a novel, simplified, and convenient workflow for augmented reality (AR)-assisted orthognathic surgery based on optical marker-less tracking, a comfortable display, and a non-invasive, skin-attached dynamic reference frame. The 2 registrations between the physical (EM tracking) and CT image spaces and between the physical and AR camera spaces, essential processes in AR-assisted surgery, were pre-operatively performed using the registration body complex and 3D depth camera. The intraoperative model of the maxillary bone segment (MBS) was superimposed on the real patient image with the simulated goal model on a flat-panel display, and the MBS was freely handled for repositioning with respect to the skin-attached dynamic reference tool (SRT) with quantitative visualization of landmarks of interest using only EM tracking. To evaluate the accuracy of AR-assisted Le Fort I surgery, the MBS of the phantom was simulated and repositioned by 6 translational and three rotational movements. The mean absolute deviations (MADs) between the simulation and post-operative positions of MBS landmarks by the SRT were 0.20, 0.34, 0.29, and 0.55 mm in x- (left lateral, right lateral), y- (setback, advance), and z- (impaction, elongation) directions, and RMS, respectively, while those by the BRT were 0.23, 0.37, 0.30, and 0.60 mm. There were no significant differences between the translation and rotation surgeries or among surgeries in the x-, y-, and z-axes for the SRT. The MADs in the x-, y-, and z-axes exhibited no significant differences between the SRT and BRT. The developed method showed high accuracy and reliability in free-hand orthognathic surgery using EM tracking and skin-attached dynamic reference.Subcutaneous rehydration is an optional infusion route in hospitalized older adults. This meta-analysis sought to compare the effectiveness of subcutaneous versus intravenous (IV) fluid administration to reverse mild-to-moderate dehydration in hospitalized older adults. A literature search was performed. No restrictions were imposed regarding language. Three randomized clinical trials conducted with patients 60 years of age or older treated with subcutaneous or IV rehydration were included, with a total sample size of 197 patients. Controlled quasi-randomized and crossover trials were excluded. The primary end point was reversal of dehydration. Secondary end points were patient satisfaction and frequency of adverse events (eg, cellulitis, edema, phlebitis, erythema, hyponatremia, and pain). Both treatments were effective in rehydrating the patients within 48 hours, with no statistically significant difference between the groups. Subcutaneous fluid administration effectively reversed dehydration while protecting against phlebitis. Since the quality of evidence was considerably low, further multicenter randomized clinical trials of efficient methodological quality should be conducted to consolidate the body of evidence.All nurses who care for neonates with peripherally inserted central catheters require enhanced awareness of the current practice guidelines and standards. This study evaluated the impact of an educational program on nurses' performance from May 2016 to July 2017 at 4 hospitals in Tehran, Iran. The performance of 80 nurses was observed and scored 3 times before the intervention. Four weeks after the last training session, their performance was observed with the same researcher, and the checklist was completed 3 times in different working shifts. Four 35- to 45-minute training sessions were completed with a 4-week follow-up. Results of the study indicated that training courses should be held every 6 months, including permanent or periodic feedback.
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