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Abstract Laparoscopic donor nephrectomy was introduced in 1995 as a means of minimally invasive surgeries that entail kidney extraction from healthy individuals. Since then, it has widely overtaken the traditional open surgical approaches, especially in live donor nephrectomy procedures worldwide. Laparoendoscopic single-site surgery is considered a more optimized surgical approach utilizing a single incision instead of four. Various studies have scrutinized many of the risk factors related to such surgeries, most commonly: vascular problems, intraoperative organ injury, and postoperative ileus. Other rare complications have not been thoroughly explored due to their decreased prevalence. Internal hernias are considered a rare complication of laparoendoscopic single-site surgery with dangerous repercussions ranging from bowel obstruction to ischemia, and necrosis. Our study presents a rare case of a trans-mesenteric internal hernia following laparoendoscopic single-site surgery. The patient was relatively healthy with no serious medical conditions. However, the past medical history did record a diagnosis of irritable bowel syndrome a few years back. Knowing that the occurrence of internal hernias is infrequent, we recommend that mesenteric defects be taken seriously to avoid the risk of internal hernias and their complications.

Laparoscopic donor nephrectomy was introduced in 1995 as a means of minimally invasive surgeries that entail kidney extraction from healthy individuals. Since then, it has widely overtaken the traditional open surgical approaches, especially in live donor nephrectomy procedures worldwide. Laparoendoscopic single-site surgery is considered a more optimized surgical approach utilizing a single incision instead of four. Various studies have scrutinized many of the risk factors related to such surgeries, most commonly: vascular problems, intraoperative organ injury, and postoperative ileus. Other rare complications have not been thoroughly explored due to their decreased prevalence. Internal hernias are considered a rare complication of laparoendoscopic single-site surgery with dangerous repercussions ranging from bowel obstruction to ischemia, and necrosis. Our study presents a rare case of a trans-mesenteric internal hernia following laparoendoscopic single-site surgery. The patient was relatively healthy with no serious medical conditions. However, the past medical history did record a diagnosis of irritable bowel syndrome a few years back. Knowing that the occurrence of internal hernias is infrequent, we recommend that mesenteric defects be taken seriously to avoid the risk of internal hernias and their complications. [ABSTRACT FROM AUTHOR]

Objective Methods Results Conclusion To report the application of laparoscopic single‐incision triangulated umbilical surgery (SITUS) pyeloplasty in children with ureteropelvic junction obstruction (UPJO) and compare its feasibility and efficacy with traditional three‐hole laparoscopic pyeloplasty.Data from children with UPJO who underwent SITUS between July 2018 and August 2021 were included in this retrospective study and patients who were treated with traditional laparoscopic pyeloplasty were chosen for comparison. Thirty‐two patients from SITUS group and 72 patients from traditional group were reviewed. The clinical characteristics, complications, and follow‐up results were collected and compared.The preoperative demographic data and imaging parameters, including sex, surgical side, age, BMI, and preoperative anterior–posterior pelvic diameter (APD), showed no significant differences between the two groups. The median surgical time was 135 min (IQR: 119.75–160.5) in SITUS group, while 163.5 min (IQR: 141.25–187.5) in the traditional group (p = 0.0008). Two Clavien‐Dindo III complications (6.25%) in SITUS group and 11 (15.3%) in the traditional group were recorded (p = 0.335). The success rate was 100% (32/32) in SITUS group and 94% (68/72) in the traditional group (p = 0.309).SITUS pyeloplasty is a feasible and effective laparo‐endoscopic single‐site (LESS) technique for pediatric patients with excellent cosmetic results comparable to the conventional laparoscopic pyeloplasty. More cases and longer follow‐up periods are needed to determine the exact outcomes of the modified LESS technique. [ABSTRACT FROM AUTHOR]

Optical remote sensing of snow is challenged by the complex radiative transfer mechanism in alpine environments. The representation of topographic effects in interpreting satellite imagery of snow is still limited to inadequate analytical modelization. Here we develop a framework that explicitly solves multiple terrain reflections and generates the top-of-atmosphere (TOA) radiance of alpine snow by the modified four-stream radiative transfer theory. This framework comprises an atmosphere module, a terrain module and a surface spectra module relying on the approximate asymptotic radiative transfer (ART) model. In the terrain module, the iterative solution to multiple terrain reflections is facilitated with a viewshed calculating algorithm which identifies adjacent slopes and related geometric angles to derive terrain-reflected irradiance. The modeled TOA radiance is compared with Landsat-8/9 OLI, Sentinel-2A/B MSI and Terra MODIS radiance imagery. Experiments of several snow-covered mountainous regions in the Pamir area reveal that the TOA radiance modeling results agree well with satellite observations with reported R 2 ≥ 0. 86 , though subject to the uncertainties due to complex topography and seasonality. The modeled terrain-reflected irradiance is verified with the ray-tracing software called LargE-Scale Remote Sensing Data and Image Simulation Framework (LESS), and reliable modeling performance is confirmed as R 2 values are ≥ 0. 90. This model framework allows for better interpreting the apparent spectra of alpine snow through the physically-based linkage with snow's intrinsic properties and environmental conditions. • A novel model for TOA radiance of alpine snow. • Improving the four-stream radiative transfer theory to adapt to rugged terrain. • Terrain reflections are explicitly modeled and facilitated by a viewshed method. • Simulations have close results with satellite images and the LESS model. • Model sensitivity to topographic parameters is analyzed. [ABSTRACT FROM AUTHOR]

Copyright of Spor Bilimleri Dergisi is the property of Spor Bilimleri Dergisi and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

To address the shortcomings of the Dung Beetle Optimization (DBO) algorithm in ship power-system fault reconfiguration, such as low population diversity and an imbalance between global exploration and local exploitation, the authors of this paper propose an improved Dung Beetle Optimization (LESSDBO) algorithm. The improvements include optimizing the initial population using Latin hypercube sampling and an elite population strategy, optimizing parameters with an improved sigmoid activation function, introducing the sine–cosine algorithm (SCA) for position update optimization, and performing multi-population mutation operations based on individual quality. The LESSDBO algorithm was applied to simulate the fault reconfiguration of a ship power system, and it was compared with the traditional DBO, Genetic Algorithm (GA), and Modified Particle Swarm Optimization (MSCPSO) methods. The simulation results showed that LESSDBO outperformed the other algorithms in terms of convergence accuracy, convergence speed, and global search capability. Specifically, in the reconfiguration under Fault 1, LESSDBO achieved optimal convergence in seven iterations, reducing convergence iterations by more than 30% compared with the other algorithms. In the reconfiguration under Fault 2, LESSDBO achieved optimal convergence in eight iterations, reducing convergence iterations by more than 23% compared with the other algorithms. Additionally, in the reconfiguration under Fault Condition 1, LESSDBO achieved a minimum of four switch actions, which is 33% fewer than the other algorithms, on average. In the reconfiguration under Fault Condition 2, LESSDBO achieved a minimum of eight switch actions, which is a 5.9% reduction compared with the other algorithms. Furthermore, LESSDBO obtained the optimal reconfiguration solution in all 50 trials for both Faults 1 and 2, demonstrating a 100% optimal convergence probability and significantly enhancing the reliability and stability of the algorithm. The proposed method effectively overcomes the limitations of the traditional DBO in fault reconfiguration, providing an efficient and stable solution for the intelligent topology reconfiguration of ship power systems. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Sport & Recreation Researches is the property of Journal of Sport & Recreation Researches and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Background: The increasing use of robotic systems for anti-reflux operations prompted this study to evaluate and compare the efficacy of robotic and Laparo-Endoscopic Single-Site (LESS) approaches. Methods: From 2012, 228 robotic fundoplication and 518 LESS fundoplication patients were prospectively followed, analyzing perioperative metrics. Data are presented as median (mean ± SD); significance at p ≤ 0.05. Results: Patients undergoing a robotic vs. LESS fundoplication were 67 (64 ± 13.7) vs. 61 (59 ± 15.1) years-old with BMIs of 25 (25 ± 3.2) vs. 26 (25 ± 3.9) kg/m2 (p = 0.001 and 1.00, respectively). 72% of patients who underwent the robotic approach had a previous abdominal operation(s) vs 44% who underwent the LESS approach (p = 0.0001). 38% vs. 8% had a re-operative fundoplication (p = 0.0001), 59% vs. 45% had a type IV hiatal hernia (p = 0.0004). Operative duration was 160 (176 ± 76.7) vs. 130 (135 ± 50.5) min (p = 0.0001). There were 0 (robotic) vs. 5 (LESS) conversions to a different approach (p = 0.33). 5 Patients vs. 3 patients experienced postoperative complications (p = 0.06), and length of stay (LOS) was 1 (2 ± 2.6) vs. 1 (1 ± 3.2) days (p = 0.0001). Patient symptomatic dysphagia preoperatively for the robotic vs. LESS approach was scored as 2 (2.4 ± 1.9) vs. 1 (1.9 ± 1.6). Postoperatively, symptomatic dysphagia was scored as 1 (1.5 ± 1.6) vs. 1 (1.7 ± 1.7). The change in these scores was − 1 (− 1 ± 2.2) vs. 0 (− 0.5 ± 2.2) (p = 0.004). Conclusion: Despite longer operative times and LOS in older patients, the robotic approach is efficient in undertaking very difficult operations, including patients with type IV or recurrent hiatal hernias. Furthermore, preoperative anti-reflux operations were more likely to be undertaken with the robotic approach than the LESS approach. The patient's postoperative symptomatic dysphagia improved relatively more than after the LESS approach. The vast majority of patients who underwent the LESS approach enjoyed improved cosmesis, thus, making LESS a stronger candidate for more routine operations. Despite patient selection bias, the robotic and LESS approaches to anti-reflux operations are safe, efficacious, and should be situationally utilized. [ABSTRACT FROM AUTHOR]

To address the shortcomings of the Dung Beetle Optimization (DBO) algorithm in ship power-system fault reconfiguration, such as low population diversity and an imbalance between global exploration and local exploitation, the authors of this paper propose an improved Dung Beetle Optimization (LESSDBO) algorithm. The improvements include optimizing the initial population using Latin hypercube sampling and an elite population strategy, optimizing parameters with an improved sigmoid activation function, introducing the sine–cosine algorithm (SCA) for position update optimization, and performing multi-population mutation operations based on individual quality. The LESSDBO algorithm was applied to simulate the fault reconfiguration of a ship power system, and it was compared with the traditional DBO, Genetic Algorithm (GA), and Modified Particle Swarm Optimization (MSCPSO) methods. The simulation results showed that LESSDBO outperformed the other algorithms in terms of convergence accuracy, convergence speed, and global search capability. Specifically, in the reconfiguration under Fault 1, LESSDBO achieved optimal convergence in seven iterations, reducing convergence iterations by more than 30% compared with the other algorithms. In the reconfiguration under Fault 2, LESSDBO achieved optimal convergence in eight iterations, reducing convergence iterations by more than 23% compared with the other algorithms. Additionally, in the reconfiguration under Fault Condition 1, LESSDBO achieved a minimum of four switch actions, which is 33% fewer than the other algorithms, on average. In the reconfiguration under Fault Condition 2, LESSDBO achieved a minimum of eight switch actions, which is a 5.9% reduction compared with the other algorithms. Furthermore, LESSDBO obtained the optimal reconfiguration solution in all 50 trials for both Faults 1 and 2, demonstrating a 100% optimal convergence probability and significantly enhancing the reliability and stability of the algorithm. The proposed method effectively overcomes the limitations of the traditional DBO in fault reconfiguration, providing an efficient and stable solution for the intelligent topology reconfiguration of ship power systems.

Full waveform hyperspectral LiDAR can simultaneously obtain three-dimensional spatial information and spectral information of targets. As a result of it, target attributes in the vertical direction can be accurately assessed. However, spectral reflectance extraction from full waveform hyperspectral LiDAR data, especially for multi-echo full waveforms, is still challenging due to the indeterminate backscattering cross-sectional area and unseparated reflectance. This challenge hampers the extraction accuracy of multi-echo reflectance and then causes underestimation consequently. Here, we proposed a new method to extract reflectance of multi-echo full waveforms, namely multi-echo reflectance correction using neighbourhood single-echo reflectance (MCNS), and verified its validation by using the coefficient of determination (R 2) and the root mean square error (RMSE) based on simulated and measured data. Results indicated that R 2 and RMSE between the corrected simulated multi-echo reflectance and the spectrometer reflectance were more than 0.95 and less than 0.042 respectively, while that between the corrected measured multi-echo reflectance and the spectrometer reflectance were above 0.56 and below 0.15 respectively. These results demonstrated the feasibility of the proposed method in extracting multi-echo reflectance. This study lays a foundation for subsequent forest attribute assessments more accurately, making it possible to characterise multiple target features vertically using high-resolution spectral reflectance. [ABSTRACT FROM AUTHOR]

Contexts: Directing an individual's attention to the effect of the movements (external focus) has been shown to improve performance than directing attention to body movements (internal focus). However, the effect of attentional focus instructions specific to movement quality has not been investigated thoroughly. Objective: To compare the effects of internal and external focus instructions specific to body movements. Design: Mixed design, 2 (sex) x 2 (instructions). Settings: Laboratory setting. Participants: A total of 40 participants (males, n = 20; mean [SD]; age = 22.0 [2.19] y; height = 179.33 [5.90] cm; mass = 77.7 [13.04] kg; females, n = 20; age = 22.0 [3.87] y; height= 164.84 [5.80] cm; mass = 71.48 [20.66] kg) were recruited. Intervention: Participants completed 2 consecutive jumps (ie, a forward jump from a height and then a maximal vertical jump) with internal focus and external focus instructions. External focus was elicited by placing pieces of tape on the participants' legs. Main Outcome measures: Landing quality was measured by the Landing Error Scoring System to assess movement quality, and the vertical jump height was measured by Vertec. Results: The performance results showed that the external focus condition resulted in superior vertical jump height compared with the internal focus condition (P< .05). Although landing quality did not show significant differences between 2 conditions, the effect size (η² = .09) indicated that landing quality was better when participants adopted an external, rather than an internal focus of attention (P = .07). Conclusions: The body-oriented instructions can be provided externally by adding artificial external cues and directing attention to them. Importantly, the findings were evident in a qualitative assessment that can be adopted by practitioners. The results suggest that practitioners should adopt an external focus cue for performance and also consider using an external focus for movement quality. [ABSTRACT FROM AUTHOR]

Context: Dynamic movement-based screens, such as the Landing Error Scoring System (LESS), are becoming more widely used in research and practical settings. Currently, 3 studies have examined the reliability of the LESS. These studies have reported good interrater and intrarater reliability. However, all 3 studies involved raters, who were founders of the LESS. Therefore, it is unclear whether the reliability reported reflects that which would be observed with practitioners without such specialized and intimate knowledge of the screen and only using the standardized set of instructions. Objective: To investigate the interrater and intrarater reliability of the final score and the individual scoring criteria of the LESS. Design: Reliability protocol. Setting: Controlled laboratory. Participants: Two raters scored 30 male participants (age = 21.8 [3.9] y; height = 1.75 [0.46] m; mass = 75.5 [6.6] kg) involved in a variety of college sports. Main Outcome Measure: Two raters using only the standardized scoring sheet assessed the interrater reliability of the total score and individual scoring criteria independently of each other. The principal author scored the videos again 6 weeks later for the intrarater reliability component of the study. Intervention: Participants performed a drop box landing from a 30-cm box was recorded with a video camera from the front and side views. Results: The intraclass coefficients interrater and intrarater reliability for the total scores were excellent (intraclass coefficients range =.95 and.96; SEM = 1.01 and 1.02). The individual scoring criteria of the LESS had between moderate and perfect agreement using kappa statistics (κ =.41–1.0). Conclusion: The final score and individual scoring criteria of the LESS have acceptable reliability with raters using the standardized scoring sheet. Practitioners using only the standardized scoring sheet should feel confident that the LESS is a reliable tool. [ABSTRACT FROM AUTHOR]

Light detection and ranging (LiDAR) is a widely used technology for the acquisition of three-dimensional (3D) information about a wide variety of physical objects and environments. However, before conducting a campaign, a test is typically conducted to assess the potential of the utilized algorithm for information retrieval. It might not be a real campaign but rather a simulation to save time and costs. Here, a multi-platform LiDAR simulation model considering the location, direction, and wavelength of each emitted laser pulse was developed based on the large-scale remote sensing (RS) data and image simulation framework (LESS) model, which is a 3D radiative transfer model for simulating passive optical remote sensing signals using the ray tracing algorithm. The LESS LiDAR simulator took footprint size, returned energy, multiple scattering, and multispectrum LiDAR into account. The waveform and point similarity were assessed with the LiDAR module of the discrete anisotropic radiative transfer (DART) model. Abstract and realistic scenes were designed to assess the simulated LiDAR waveforms and point clouds. A waveform comparison in the abstract scene with the DART LiDAR module showed that the relative error was lower than 1%. In the realistic scene, airborne and terrestrial laser scanning were simulated by LESS and DART LiDAR modules. Their coefficients of determination ranged from 0.9108 to 0.9984 . Their mean was 0.9698 . The number of discrete returns fitted well and the coefficient of determination was 0.9986 . A terrestrial point cloud comparison in the realistic scene showed that the coefficient of determination between the two sets of data could reach 0.9849 . The performance of the LESS LiDAR simulator was also compared with the DART LiDAR module and HELIOS++. The results showed that the LESS LiDAR simulator is over three times faster than the DART LiDAR module and HELIOS++ when simulating terrestrial point clouds in a realistic scene. The proposed LiDAR simulator offers two modes for simulating point clouds: single-ray and multi-ray modes. The findings demonstrate that utilizing a single-ray simulation approach can significantly reduce the simulation time, by over 28 times, without substantially affecting the overall point number or ground pointswhen compared to employing multiple rays for simulations. This new LESS model integrating a LiDAR simulator has great potential in terms of simultaneously simulating LiDAR data and optical images based on the same 3D scene and parameters. As a proof of concept, the normalized difference vegetation index (NDVI) results from multispectral images and the vertical profiles from multispectral LiDAR waveforms were simulated and analyzed. The results showed that the proposed LESS LiDAR simulator can fulfill its design goals. [ABSTRACT FROM AUTHOR]

This study aimed to identify football players at high risk (HR) for anterior cruciate ligament (ACL) injury via a four-test battery and assess possible factors affecting classification. Ninety-one professional and semi-professional male athletes participated in a field-based pre-season screening. The cut-off points of the test battery were 10% acknowledged inter-limb asymmetry limit for quadriceps and hamstring isometric strength and single-leg triple hop for distance, in addition to the upper limit of 6 errors in the landing error scoring system (LESS). Additional assessment of hip adductors and core stability completed the global functional profile of the players. Sixty-one players were identified as HR and thirty as low-risk (LR) for ACL injury. Discriminant analysis showed that the proposed test battery classified accurately 78.0% of them, with 91.8 sensitivity and 61.9% specificity. Only four misclassified players in the LR group were at risk of inadequate treatment. All participants were considered healthy, and history of a previously rehabilitated injury did not interfere with the results. LESS seems to be the best predictor for injury-risk grouping. Prone bridge time was also a whole-body variable discriminating between groups. The proposed test battery provides a promising option for field-based pre-season ACL risk assessment of football players and needs to be studied prospectively. [ABSTRACT FROM AUTHOR]

The product of leaf area index (LAI) and clumping index (CI) quantifies the effective leaf abundance and distribution across the landscape, and therefore, governs the radiation absorption, evapotranspiration, and carbon assimilation processes in the terrestrial ecosystems. Previous studies were mainly focused on developing inversion methods applicable to large scale for retrieving LAI and CI from multi-angular satellite observations. However, a few studies focused on quantifying the sensitivity of canopy bidirectional reflectance distribution function (BRDF) to changes in CI in a forward manner, hampering an accurate understanding of the relationship between CI and BRDF. In this study, we simulated how BRDF responds to changes in CI in Qinghai spruce (Picea crassifolia) forests based on a 3D radiative transfer model LESS and ground-measured data. We found that the LESS model effectively simulated the hot-spot, roof, and bowl-edge characteristics of the canopy BRDF by changing the sun-sensor geometry. We constructed forest scenes with variable CI (ranging from 0.4 to 0.8) to investigate the clumping effect on BRDF with different solar and observation angles. The red band bidirectional reflectance factor (BRF) showed higher sensitivity to changes in CI than that in the near-infrared (NIR) band. Canopy BRFs in the red band along the principal plane and cross principal planes measured in different seasons showed consistent sensitivity to changes in CI, suggesting that the red band BRF is helpful for CI inversion for forests with different levels of foliage clumping. In the NIR band, canopy BRFs along the principal plane measured in growing seasons [with solar zenith angle (SZA) 40°) were sensitive to changes in CI in highly clumped forests (with CI ranging from 0.4 to 0.6). However, canopy BRF in the NIR band showed low sensitivity to changes in CI in highly clumped forests (CI

Стаття присвячена обґрунтуванню важливості використання гнучких технологій в управлінні як однією командою, так і великою кількістю команд. Розглянуто сутність управління процесами взаємовідносин у командах. Обґрунтовано характеристики ефективних команд. Визначено сутність, цінності, принципи, переваги та недоліки Agile-філософії. Обґрунтовано використання підходів Scrum для управління однією командою. Визначено особливості управління великою кількістю команд та запропоновано адаптувати Scrum до управління декількома командами в компанії через використання методологія LeSS (Large-Scale Scrum або «Scrum на великих масштабах», LeSS Huge). Розроблено рекомендації для українських підприємств щодо впровадження Agile-методів для підвищення конкурентоспроможності команд та їх адаптації під зміни зовнішнього середовища.

Background: Because of special technical challenges, laparoendoscopic single‐site surgery (LESS) has been introduced into surgical practice, with surgeons required to have adequate training. The COVID‐19 pandemic has significantly affected every aspect of healthcare systems, including LESS training, which must be modified to minimize the impact of the COVID‐19 pandemic. Methods: A 3‐session training programme was designed in 2020 during the epidemic, which was modified in 2019 before the pandemic. Session 1 was an online study on LESS knowledge. Session 2 involved the trainees' self‐directed simulator‐training. Task performance was evaluated using the fundamentals of laparoscopic surgery (FLS) scoring. Session 3 was practical training, including trainers' live surgical video demonstrations and trainees' surgical video feedback after training. Video feedback performance was evaluated using the modified global rating scale (GRS). Furthermore, trainees completed a general self‐efficacy (GSE) instrument. Forty‐two gynaecology trainees were allocated into two groups: novices (n = 32) and experts (n = 10). Results: Compared with pre‐training, FLS scores improved in peg transfer (P < 0.001 and P = 0.01) and pattern cutting (P = 0.02 and P < 0.001) for novices and experts, respectively. Participants (81% versus 67%) provided first and second video feedback, respectively. Compared to the first feedback, the GRS scores of both groups improved significantly in the second feedback. All trainees showed an increase in GSE after training (P < 0.001). Conclusion: The modified LESS training programme is a practical and effective option that allows trainees to continue training during the epidemic. [ABSTRACT FROM AUTHOR]

Optical remote sensing allows to efficiently monitor forest ecosystems at regional and global scales. However, most of the widely used optical forward models and backward estimation methods are only suitable for forest canopies in flat areas. To evaluate the recent progress in forest remote sensing over complex terrain, a satellite-airborne-ground synchronous Fine scale Optical Remote sensing Experiment of mixed Stand over complex Terrain (FOREST) was conducted over a 1 km×1 km key experiment area (KEA) located in the Genhe Reserve Areain 2016. Twenty 30 m×30 m elementary sampling units (ESUs) were established to represent the spatiotemporal variations of the KEA. Structural and spectral parameters were simultaneously measured for each ESU. As a case study, we first built two 3D scenes of the KEA with individual-tree and voxel-based approaches, and then simulated the canopy reflectance using the LargE-Scale remote sensing data and image Simulation framework over heterogeneous 3D scenes (LESS). The correlation coefficient between the LESS-simulated reflectance and the airborne-measured reflectance reaches 0.68–0.73 in the red band and 0.56–0.59 in the near-infrared band, indicating a good quality of the experiment dataset. More validation studies of the related forward models and retrieval methods will be done.

This study aimed to identify football players at high risk (HR) for anterior cruciate ligament (ACL) injury via a four-test battery and assess possible factors affecting classification. Ninety-one professional and semi-professional male athletes participated in a field-based pre-season screening. The cut-off points of the test battery were 10% acknowledged inter-limb asymmetry limit for quadriceps and hamstring isometric strength and single-leg triple hop for distance, in addition to the upper limit of 6 errors in the landing error scoring system (LESS). Additional assessment of hip adductors and core stability completed the global functional profile of the players. Sixty-one players were identified as HR and thirty as low-risk (LR) for ACL injury. Discriminant analysis showed that the proposed test battery classified accurately 78.0% of them, with 91.8 sensitivity and 61.9% specificity. Only four misclassified players in the LR group were at risk of inadequate treatment. All participants were considered healthy, and history of a previously rehabilitated injury did not interfere with the results. LESS seems to be the best predictor for injury-risk grouping. Prone bridge time was also a whole-body variable discriminating between groups. The proposed test battery provides a promising option for field-based pre-season ACL risk assessment of football players and needs to be studied prospectively.

High spatial resolution remote sensing data serve as a new data source for quantitative remote sensing of vegetation, bringing in both new challenges and opportunities. The traditional leaf area index ( LAI) inversion method based on the radiative transfer theory takes Beer - Lambert Law as the primary theoretical basis. The prerequisite for its application is that the leaf distribution in pixels follows a Poisson distribution. This study explored the appropriate scale in the case that the spatial distribution of continuous vegetation leaves in pixels foUows a Poiison distribution. Focusing on the wheat canopy, this study used the LESS % LargE - Scale remote sensing data and image Simulation framework]) software to simulate the remote sensing images of continuous wheat canopy. Based on this, this study analyzed the appropriate scale on which continuous wheat canopy leaves follow a Poiison distribution through the three - dimensional simulation of leaf canopy. Moreover, this study constructed a method for calculating the appropriate scale of the LAI inversion of continuous vegetation. The results show that the appropriate scale is influenced by the LAI value and the aggregation effect. The UAV hyperspectral data and the LAI inversion results from Luohe City, Henan Province validated the feasibility of this method. [ABSTRACT FROM AUTHOR]

Introduction To describe laparoendoscopic single‐site simple nephrectomy and reduced port simple nephrectomy for inflammatory nonfunctioning kidney. Case presentation Case 1: a 58‐year‐old female with fever was referred to our hospital. Computed tomography demonstrated a markedly atrophic right kidney and mild hydronephrosis. Case 2: a 64‐year‐old male with a history of several intra‐abdominal surgeries visited our hospital with a complaint of left back pain and fever. Computed tomography demonstrated left marked hydronephrosis, thinning of renal parenchyma, and duplicated inferior vena cava. After antibiotic treatment, transperitoneal reduced port simple nephrectomy and retroperitoneal laparoendoscopic single‐site simple nephrectomy were performed in Case 1 and 2, respectively, because the function of the affected kidney was almost lost on renography. Although adhesion was slightly noted around the renal hilum in Case 1, neither conversion to laparotomy nor placement of additional ports was needed. Conclusion Laparoendoscopic single‐site simple nephrectomy and reduced port simple nephrectomy for inflammatory nonfunctioning kidney may be options for experienced laparoscopic surgeons.

Pryor, JL, Burbulys, ER, Root, HJ, and Pryor, RR. Movement technique during jump-landing differs between sex among athletic playing surfaces. J Strength Cond Res 36(3): 661-666, 2022-Whether athletic surface type affects movement technique, a causal factor for lower extremity injury, is unclear. This study evaluated the influence of 4 common athletic surfaces on movement technique using the Landing Error Scoring System (LESS). Secondarily, we aimed to evaluate differences in movement technique between men and women among surfaces. Recreationally active men and women (n = 38) completed jump-landing tests on 4 common athletic surfaces in a quasi-randomized crossover fashion. Vertical jump height, perceptual fatigue, and muscle soreness were evaluated before jump-landing movement analyses and were similar across testing sessions (p > 0.05). Men achieved higher LESS scores on hardwood and artificial pellet turf compared with women (p <= 0.037). Women exhibited lower LESS scores on grass and artificial turf vs. concrete (p <= 0.048). Data indicate differential lower extremity movement technique and therefore injury risk across athletic surface types and sex, challenging the generalizability of the LESS construct. Athletic playing surface should be considered during movement technique assessment and implementation of injury prevention programs. /=> [ABSTRACT FROM AUTHOR]

Context: Neuromuscular training programs (NTPs) improve landing technique and decrease vertical ground-reaction forces (VGRFs), resulting in injury-risk reduction. NTPs in an aquatic environment may elicit the same improvements as land-based programs with reduced joint stress. Objective: To examine the effects of an aquatic NTP on landing technique as measured by the Landing Error Scoring System (LESS) and VGRFs, immediately and 4 mo after the intervention. Design and Setting: Repeated measures, pool and laboratory. Participants: Fifteen healthy, recreationally active women (age 21 ± 2 y, mass 62.02 ± 8.18 kg, height 164.74 ± 5.97 cm) who demonstrated poor landing technique (LESS-Real Time > 4). Interventions: All participants completed an aquatic NTP 3 times/wk for 6 wk. Main Outcome Measures: Participants' landing technique was evaluated using a jump-landing task immediately before (PRE), immediately after (POST), and 4 mo after (RET) the intervention period. A single rater, blinded to time point, graded all videos using the LESS, which is a valid and reliable movement-screening tool. Peak VGRFs were measured during the stance phase of the jump-landing test. Repeated-measure analyses of variance with planned comparisons were performed to explore differences between time points. Results: LESS scores were lower at POST (4.46 ± 1.69 errors) and at RET (4.2 ± 1.72 errors) than at PRE (6.30 ± 1.78 errors) (P < .01). No significant differences were observed between POST and RET (P > .05). Participants also landed with significantly lower peak VGRFs (P < .01) from PRE (2.69 ± .72 N) to POST (2.23 ± .66 N). Conclusions: The findings introduce evidence that an aquatic NTP improves landing technique and suggest that improvements are retained over time. These results show promise of using an aquatic NTP when there is a desire to reduce joint loading, such as early stages of rehabilitation, to improve biomechanics and reduce injury risk. [ABSTRACT FROM AUTHOR]

To evaluate the safety and feasibility of treating stage I–IV endometriosis patients with robotic single-site surgery (RSSS). A retrospective chart review was conducted on 334 patients with endometriosis treated by a single surgeon at a university hospital from January 2015 to November 2019. Surgeries were performed in a single institution between 2015 and 2019. All patients presented with pelvic pain and underwent surgical resection of the lesion. American Society of Reproductive Medicine (ASRM) standards were used to classify endometriosis. The primary goal of this study is to investigate the feasibility and safety of RSSS for surgical resection of stage I–IV endometriosis patients. We will compare patient characteristics and surgical parameters, such as blood loss, operating time, and postoperative complications, across different endometriosis stages to evaluate the effectiveness of this novel technique. RSSS was used for all cases, with no conversions to laparotomy or traditional laparoscopy. One to two additional ports were placed in 41 patients with deeply infiltrating endometriosis (DIE) involving the colorectal and urinary tract and/or extensive pelvic adhesions. Across patient groups, there were no significant differences in age, BMI, fertility history, abdominal surgery history, and hysterectomy ratio (P > 0.05). The median operation time was 140.25 min (range: 85.50–260.00 min, P < 0.05) and median blood loss was 31.25 mL (range: 15–100 mL, P < 0.05). Histopathology supported the diagnosis in 259/334 patients. The undiagnosed patients were associated with lower ASRM scores. For 83.3% of patients (295/334), the length of hospital stay was < 24 h. The postoperative complication rate was 6.0% (20/334), although only two cases were severe. Our results indicate that RSSS is an alternative, safe, and acceptable platform for the surgical treatment of all stages of endometriosis. [ABSTRACT FROM AUTHOR]

The benefits of agile frameworks applied to small projects have aroused interest in the large-scale software industry. However, applying them in scaled environments has meant facing multiple challenges, including communication, coordination, and cooperation. Scaled frameworks emerge in response to these challenges, describing the implementation guides to achieve the agile large-scale transformation. However, a lack of conceptual clarity regarding the elements prescribed by these frameworks was identified in the literature. This article introduces the Scaled Agile Model reference model, which integrates the experience reported in the literature and the fundamental attributes of scaled agile frameworks: SAFe, LeSS, Nexus, and DAD. A protocol was followed for the harmonization of multiple models, which allowed integrating and obtaining a reference model from the results of the harmonization of frameworks and the literature found. Additionally, SAM was evaluated for clarity, suitably, and completeness through a focus group. Thus, the proposed reference model defines sixteen roles, three levels of scale, and 34 practices grouped into 8 categories. The results suggest a good acceptance by the experts who evaluated the proposal. Likewise, the proposed model aims to be of great practical benefit for companies that want to scale, companies that are scaling, or companies that have already scaled and want to evaluate their implementation. [ABSTRACT FROM AUTHOR]

Los beneficios de los marcos ágiles aplicados en proyectos pequeños han despertado el interés de la industria de software a gran escala. Sin embargo, aplicarlos en ambientes escalados ha significado superar múltiples desafíos, entre ellos: comunicación, coordinación y cooperación. Como respuesta a estos desafíos, surgen los marcos escalados, que describen guías de implementación para lograr la transformación a gran escala; no obstante, se identificó en la literatura una falta de claridad conceptual con respecto a los elementos prescritos por estos marcos. Este artículo presenta el modelo de referencia Scaled Agile Model (SAM), el cual integra la experiencia reportada en la literatura y los atributos fundamentales de los marcos escalados SAFe, LeSS, Nexus y DAD. Se siguió una estrategia de armonización de múltiples modelos que permitió integrar y obtener un modelo de referencia en función de los resultados de la armonización de los marcos y la literatura encontrada. SAM fue evaluado en términos de claridad, idoneidad y completitud mediante un grupo focal. El modelo de referencia propuesto define 16 roles, 3 niveles de escalamiento y 34 prácticas, agrupadas en 8 categorías de prácticas. Los hallazgos sugieren una buena aceptación por parte de los expertos que evaluaron la propuesta. Asimismo, el modelo propuesto pretende ser de gran beneficio práctico para las empresas que desean escalar sus prácticas, que las estén escalando o que ya escalaron y quieren evaluar su implementación.

This article compares the compilation speed of the SCSS and LESS preprocessor codes. Each preprocessor has its own syntax, which is transpiled into the CSS stylesheet language in the further development of the web page. These technologies serve the same purpose - to simplify and speed up the writing of page views, but are based on different programming languages - Ruby (SCSS) and JavaScript (LESS). For the purposes of the research, a test application was created, a series of tests was carried out on various sets of codes, the results were collected, which allowed to identify a preprocessor with a faster compilation speed, which turned out to be the LESS preprocessor.

Everard, E, Lyons, M, and Harrison, AJ. An examination of the relationship between the functional movement screen, landing error scoring system and 3D kinematic data during a drop jump task. J Strength Cond Res 35(11): 3012–3020, 2021—Tests such as the Functional Movement Screen (FMS) and Landing Error Scoring System (LESS) have become an established component of preparticipation screening. Despite their practical use, there is a lack of empirical evidence examining their relationship to established assessments of movement, such as 3D kinematics of a drop jump. Fifty-two male collegiate athletes undertook the LESS, FMS, and a drop jump where 3D lower-limb kinematic variables were assessed. Spearman correlations were conducted to examine the relationship between LESS, FMS, and drop-jump 3D kinematic variables. A series of independent t -tests examined differences in hip and knee kinematic variables in acceptable and poor FMS and LESS groups as determined by established cut-off scores. Landing Error Scoring System scores had significant moderate correlations with most kinematic variables (r = 0.35–0.64; p < 0.01). Subjects with poor LESS scores displayed significantly worse lower-limb kinematics compared with their high-scoring counterparts (effect size = 1.99–2.76, large effect). There were significant moderate correlations with maximal hip and knee flexion (r = 0.46 and 0.39 respectively; p < 0.01) and small or nonsignificant correlations between all other kinematic variables and FMS scores. Hip flexion and knee valgus at maximal displacement were the only kinematic variables significantly different between FMS groups (ES = 0.70–0.72, small-to-moderate effect). The results confirm limitations in the ability of the FMS to distinguish between groups for landing biomechanics. [ABSTRACT FROM AUTHOR]

Optical remote sensing allows to efficiently monitor forest ecosystems at regional and global scales. However, most of the widely used optical forward models and backward estimation methods are only suitable for forest canopies in flat areas. To evaluate the recent progress in forest remote sensing over complex terrain, a satellite-airborne-ground synchronous Fine scale Optical Remote sensing Experiment of mixed Stand over complex Terrain (FOREST) was conducted over a 1 km×1 km key experiment area (KEA) located in the Genhe Reserve Areain 2016. Twenty 30 m×30 m elementary sampling units (ESUs) were established to represent the spatiotemporal variations of the KEA. Structural and spectral parameters were simultaneously measured for each ESU. As a case study, we first built two 3D scenes of the KEA with individual-tree and voxel-based approaches, and then simulated the canopy reflectance using the LargE-Scale remote sensing data and image Simulation framework over heterogeneous 3D scenes (LESS). The correlation coefficient between the LESS-simulated reflectance and the airborne-measured reflectance reaches 0.68–0.73 in the red band and 0.56–0.59 in the near-infrared band, indicating a good quality of the experiment dataset. More validation studies of the related forward models and retrieval methods will be done. [ABSTRACT FROM AUTHOR]

BackgroundA vesicovaginal fistula (VVF) is an abnormal fistulous tract between the bladder and vagina, causing continuous loss of urine via the vagina. VVF is a relatively uncommon condition, but there is a drastically higher prevalence in the developing world. Furthermore, iatrogenic postoperative VVF is most common in developed countries, compared to mainly obstetric trauma in developing countries. In this review we focus on the development of current management techniques for VVF.MethodsMedline was searched to identify articles related to urogenital fistulae, including VVF. Based on these reports we focus on the aetiology, clinical presentation, diagnosis and management of VVF. This in-depth review includes the optimal surgical timing, different surgical approaches (including minimally invasive techniques such as laparoscopic and robotic surgery), recommendations for postoperative care, surgical complications, and the need for further research in the use of robotic surgery to treat this condition.ResultsIn all, 60 articles were identified and included in this review; eight were related to the aetiology, 12 to diagnosis, and 40 to the management of VVF. A thorough evaluation of VVF is imperative for planning the repair. Although the surgeonís experience typically influences the surgical approach, special situations will dictate the best approach.ConclusionThe treatment of genitourinary fistulae with robotic assistance continues to develop, but further research is necessary to fully understand the use of this technology.

Objectives: To analyze the feasibility, safety and advantages of Laparo-Endoscopic Single-site Surgery radical prostatectomy (LESS-RP) based on our personal experience. Patients and methods: Details of 520 patients were retrospectively analyzed, from 2009 to 2019. Extraperitoneal approach, with only two accesses (2.5 cm and 5 mm respectively) was used to perform radical prostatectomy. Perioperative characteristics and postoperative oncologic and functional outcomes are reported. Results: The mean age was 66.6 ± 5.6 years. Mean PSA level was 9 ± 3.5 ng/ml. According to D'Amico classification, the percentage of patients with low-, intermediate-, and high-risk disease cases were 116 (22.4%), 275 (52.8%), and 129 (24.8%) respectively. Mean operative time was 156 ± 43 min. Mean estimated blood loss was 214 ± 93 ml. Positive surgical margins (PSMs) were detected in 110 (21.2%) patients. PSM rates in pT2 and pT3 stages were 20.1% and 22.9%, respectively. The overall complication rate was 9.2%, based on the modified Clavien classification. The 12 months continence and potency rates were 90.9% and 49.1%, respectively. The biochemical recurrence rate was 6.8%, at the median follow-up time of 26.7 months (IQR 12–32). Conclusions: Our analyses show that LESS-RP is a safe procedure, if performed by surgeons with adequate experience and skills. Unlike the classic laparoscopic prostatectomy, this technique allows better aesthetic and psychological results, reduced postoperative pain, and a faster return to normal daily activity with the same functional and oncological results. [ABSTRACT FROM AUTHOR]

Introduction Our Emotional Schemas dictate how we deal with our own emotions, therefore, how we interpret and face different events that occur in our everyday life. Maladaptive schemas have been proven to be at fault for the inability to face different challenges. Objectives This study aims to find the differences in emotional schemas between subjects with history of psychiatric disorder and subjects without a psychiatric disorder. Methods We realized a case-control study matched for age and gender, and analyzed the answers of 28 subjects (14 women and 14 men) to Leahy Emotional Schema Scale (LESS); 14 of which have a personal history of psychiatric disorders, while the remaining 14 had no such history. The LESS evaluation was part of a bigger study and was addressed to the general population, over 18 years old. The test was applied online, with the informed consent of the subjects. Results The mean age of the participants was 40.28±13.98. Out of the 14 subjects with a psychiatric diagnosis, 71,43% have a job, 21,43% are retired and 1% are still studying. There was a significant difference between the two groups regarding the Higher Values dimension of the Emotional Schemas (p=0.0419). Also, the question regarding the feeling of shame when it comes to their own feeling, showed significant difference between the two groups (p=0.0211). Conclusions As opposed to the subjects without a history of psychiatric disorder, those who do have a psychiatric diagnosis, feel more often devalued and ashamed, therefore having a lower self-esteem.

Laparoendoscopic single-site totally extraperitoneal (LESS-TEP) hernioplasty emerged in 2009, and various studies have been performed. However, no significant difference between LESS-TEP hernioplasty and conventional three-port totally extraperitoneal (TEP) hernioplasty has been found. We evaluated the benefits, safety, and feasibility of moving the incision downward to the suprapubic area when performing LESS-TEP hernioplasty. LESS-TEP hernioplasty with a suprapubic incision was performed in 21 patients at the Central Hospital of Shantou, China, from 1 May to 31 August 2019. The patient demographics, hernia type and site, operation time, estimated blood loss, length of surgical incision, defect and mesh areas, conversion to conventional TEP hernioplasty, and postoperative pain scale score were prospectively collected. Only regular laparoscopic instruments were used during surgery. Among 21 patients with hernias (male/female = 19:2), 12 had left inguinal hernias, 8 had right inguinal hernias, and 1 had bilateral inguinal hernias. The mean operative time was 93 min (range, 50–150 min). The mean estimated blood loss was 6.7 ml (range, 5–20 ml). No patients underwent conversion to conventional TEP hernioplasty or developed intraoperative complications. The mean postoperative pain scale score was 2.28 (range, 0–6). The mean hospital stay was 2.28 days (range, 1–6 days). Postoperative fever occurred in one patient and was managed successfully with supportive treatment. LESS-TEP hernioplasty with a suprapubic incision is safe and feasible because of better cosmetic outcomes, potential earlier convalescence, less interference among laparoscopic instruments, and broader indications. The learning curve is considered acceptable. [ABSTRACT FROM AUTHOR]

In the field of minimally invasive surgery, there is a constant drive to devise and execute the most minimally invasive surgeries possible. By the very nature of laparoscopy and robotic surgery, what one can accomplish with several ports of a given size will invariably be studied and attempted with fewer ports and with ports of smaller sizes. After researching the literature, we were not able to find any single port hysterectomies performed through a port size of smaller than 15 mm. We were able to perform, described here, a technique for performing laparoscopic hysterectomy through a single port of only 11 mm in diameter. We illustrate the technique in the accompanying video and believe the technique to be safe and reproducible. [ABSTRACT FROM AUTHOR]

Radical perineal prostatectomy (RPP) has been revived with the advent of single-port (SP) robotic surgery. However, its interest and precise role need to be evaluated and better defined. To describe in detail the technique of SP-RPP and compare initial perioperative outcomes with those of multiport robot-assisted transperitoneal radical prostatectomy (MP-RARP). From October 2018 to June 2020, perioperative data of 26 consecutive patients who underwent SP-RPP for localized prostate cancer (PCa) in a single institution were prospectively entered into an institutional review board–approved database. Data of 86 consecutive patients treated from September 2017 to September 2018 with MP-RARP by the same surgeon, before the beginning of the SP experience, were used as comparators. SP-RPP was performed using the SP robotic platform (Intuitive Surgical, Sunnyvale, CA, USA) according to the technique described in the supplementary video. Demographics, and intra- and postoperative data were analyzed in a matched-paired design with a 1:1 ratio on the following factors: age at surgery, prostate-specific antigen level, preoperative Gleason score, and history of abdominal surgery. After matching, baseline characteristics were comparable except for the rate of prior laparotomy, which was higher in the SP-RPP group (52% vs 8%, p < 0.001). In the SP-RPP group, 84% of the patients had a high risk and an unfavorable intermediate risk of positive surgical margins (PSMs) versus 57% in the MP-RARP group (p = 0.03). While the rate of nonlimited PSMs (ie, >3 mm) was higher in the SP-RPP group (38.5% vs 7.7%, p < 0.01), the number of patients with biochemical recurrence at 1 yr was comparable between SP-RPP and MP-RARP (1 vs 3, p = 0.3). SP-RPP is a complex procedure for patients with a complex surgical history and high-risk localized PCa with limited alternative therapeutic options. Our study suggests that patients with high-risk localized prostate cancer and limited treatment options due to a complex abdominal surgical history (ie, frozen pelvis) may be suitable candidates for single-port radical perineal prostatectomy. Single-port radical perineal prostatectomy is a feasible but challenging procedure for patients with complex surgical history (ie, frozen pelvis) and high-risk localized prostate cancer who have limited alternative therapeutic options. [ABSTRACT FROM AUTHOR]