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The envfit results revealed that the environmental variables of sediment, such as mud content, organic matter, total organic carbon, and total nitrogen, had significant effects on the bacterial community structure. The indicator species varied depending on the vegetation type and sediment depth, showing significant correlations with certain selected environmental variables, but were fundamentally related to the rhizosphere. Overall, this study revealed the key factors that determine the bacterial community structure in tidal marshes and the indicator species according to vegetation type in the little studied rhizosphere of the intertidal ecosystem.The present study evaluates the effect of an acidic treatment on the improvement of the percentage removal of toxic metal (%TMrem) from wastewater by algae strains (Spirulina platensis (SP) and Chlorella vulgar (CV)) under different adsorbent dosages (0.2-2.5 g), a pH of (4-8) and contact time (5-100 min). The acidic treatment (Ac-T) altered the functional groups on the surface of algae promoting more electronegative groups and improved the %TMrem of Al, Ni and Cu. Treated SP removed up to 95.0 ± 0.3% (Std. Dev = 0.24), 87.0 ± 0.2% (Std. Dev = 0.34)%, and 63.0 ± 0.3% (Std. Dev = 0.14) of Al, Ni, and Cu at the optimum pH of 5.5, 6.0, and, 7.0 and an adsorbent dosage of = 2.5 ± 0.1 g/L (Std. Dev = 0.14) g/L, respectively. Lower %TMrem of 87.0% ± 0.2 (Std. Dev = 0.09), 79.1 ± 0.4% (Std. Dev = 0.08), and 80.0 ± 0.2% (Std. Dev = 0.04) were achieved with treated CV, respectively. The optimum operational conditions for maximum %TMrem were determined at (Calgae = 4.8 ± 0.2 gMNPs.L-1, Ct = 88 ± 1, and pH = 6) using the response surface methodology (RSM). The adsorption of TMs on algae is endothermic, spontaneous, and follows Langmuir and second-order kinetics. Zeta potential measurements indicated that the adsorption mechanism between the toxic metal (TM) and algal strains is controlled by electrostatic interaction. As such, bio-sorption is a sustainable and efficient technology for the removal of TM from wastewater.Pleomorphic dermal sarcoma (PDS) is a rare mesenchymal tissue tumor that shares pathological features with atypical fibroxanthoma, but also exhibits tumor necrosis, invasion beyond the superficial subcutis, and vascular or perineural infiltration. In addition, PDS also has relatively high rates of local recurrence and metastasis and is usually encountered in elderly men, especially in the head and neck area. In this article, we report a rare case of PDS that infiltrated the fascial tissues in the forearm of a female patient. After wide local excision, the defect was covered with an anterolateral thigh free flap and adjuvant radiotherapy was instituted.
The main stage of developing an educational health technology is meeting the expectations of users. Nurses in Brazil can benefit from online training about therapeutic play interventions. This study identified the learning demands of nurses for acquiring competence in the use of therapeutic play to build an online course.
Focus groups study, guided by the COREQ guidelines. O6-BG Nurses experienced in pediatric care participated in eight groups held in hospitals across all Brazilian regions in 2018. The focus group interviews had a mean duration of two hours and were moderated by the main researcher and an observer, both of whom were nurses experienced in qualitative research. All interviews were audio recorded. The transcripts of the audios were coded, from which the themes were developed, and thematic analysis performed.
Nurses (N=53, 8.5±6.3years of experience in pediatric care) reported their learning demands in three themes "Learning theoretical concepts", "Developing therapeutic play skills", and "Learning the therapeutic play in a fun, interactive and motivational online environment".
Nurses learning demands involve theoretical concepts and skills to implement therapeutic play through an interesting online course.
By developing play-based competence through an online learning environment nurses can feel confident in implementing therapeutic play into their pediatric practice, setting the stage for a future of positive interaction between nurses and children in pediatric health care.
By developing play-based competence through an online learning environment nurses can feel confident in implementing therapeutic play into their pediatric practice, setting the stage for a future of positive interaction between nurses and children in pediatric health care.
In many countries, as in France, medical training is not complete until the defense of a thesis, based on a research project; however, the publication of research work is not mandatory. This study investigated the evolution of the publication pattern of pediatric residents and identified the possible factors associated with an increased productivity, by investigating both thesis and non-thesis-related publications.
We conducted a retrospective cohort study of pediatric residents who graduated from the Medical University of Marseille in France over a 20-year period (1996-2015). Their theses were retrieved from the French database of university theses (SUDOC). Their publications were collated by scanning the PubMed and Google Scholar databases. Non-thesis-related publications were included up to 1year after the medical thesis defense and medical thesis publications were included without date limits. For each thesis or publication, the resident's characteristics, the supervisor's characteristics, the thesis ), when he or she had published more papers during the post-residency period (β=0.40; P<0.0001***) and when he or she graduated at an older age (β=0.24; P=0.04*).
The thesis publication rate of pediatric residents has improved significantly in 20 years; however, these results are from a single-center study. Publishing the thesis was significantly associated with shorter dissertation length and a more experienced thesis supervisor.
The thesis publication rate of pediatric residents has improved significantly in 20 years; however, these results are from a single-center study. Publishing the thesis was significantly associated with shorter dissertation length and a more experienced thesis supervisor.
The lesser trochanter (LT) fragment in the multifragmentary intertrochanteric femur fracture (AO 31A2.2) may extend distally. If the fragment extends too distally, fixation with a short proximal femoral nail antirotation (PFNA-II) device may not be sufficient. The exact length of distal extension that can be tolerated by the short PFNA-II is not known, therefore it is our objective to determine it.
A finite element analysis was performed on AO 31A2.2 fracture fixed with a 200mm length size 10 PFNA-II. The construct was loaded vertically to clinical failure of 10mm displacement. This was repeated with the size of the LT fragment increasing distally at intervals, up to 120mm from the base of the LT. The process was also repeated with the bone properties substituted with osteoporotic properties. The stiffness, maximum vertical reaction force, and the plastic deformation area were investigated.
In both non-osteoporotic and osteoporotic model, the stiffness and the maximum vertical reaction force of the construct dropped significantly when the LT fragment is larger than 40mm. Beyond 40mm of LT fragment size, there was a rapid increase in the area of plastic deformation of the cortical bone distal to the intertrochanteric fracture, signifying structural failure of the construct.
A long PFNA-II should be considered when fixing a multifragmentary intertrochanteric fracture if the LT fragment extends 40mm distal to the distal base of the LT as the construct fails rapidly upon uniaxial load to failure. Clinically, this threshold may be smaller to account for the multi-axial and dynamic stresses.
A long PFNA-II should be considered when fixing a multifragmentary intertrochanteric fracture if the LT fragment extends 40mm distal to the distal base of the LT as the construct fails rapidly upon uniaxial load to failure. Clinically, this threshold may be smaller to account for the multi-axial and dynamic stresses.
Strategic medical evacuation (MEDEVAC) allows airborne repatriation of soldiers injured or sick on missions to their national territory. The aim of this study was to describe the epidemiology of strategic MEDEVAC performed by intensive care physicians (ICP) and to analyze the role of the ICP in the management of critical care situations in flight.
All soldiers who had high or medium dependency conditions and who benefited from a strategic MEDEVAC with an ICP on board between 1 January 2001 and 30 November 2017 were included in this epidemiological retrospective study.
A total of 452 soldiers were repatriated; the causes of repatriation were either trauma (n=245; 54%) or medical pathologies (n=207; 46%). Two hundred and seventy-six (61%) evacuations were performed within 48h. The median annual number of strategic MEDEVAC with an ICP was 26 [20-32]. One hundred and fifty-five (34%) patients were mechanically ventilated and 103 (23%) received catecholamines. The median SAPS II score was 13 [8-24]. One hundf the personnel on board. Based on these results, lessons regarding future MEDEVAC flights could be learned in order to continue to improve patient outcome.
To estimate the potential influence of pre-operative patient condition on the benefit of earlier hip fracture surgery for elderly patients.
Many studies emphasize the benefit of earlier hip fracture surgery for patient survival. However less is known regarding how this relationship is influenced by clinical factors which could serve as potential contra-indicators for earlier surgery. Rushed surgery of patients with contra-indications may even compromise their survival.
A retrospective study of patients aged 65 and above with an isolated hip fracture following trauma, based on data from 19 hospitals of the national trauma registry available for the years 2015-2016. Registry data was crossed with data on co-morbidities and medication intake from the biggest health insurance agency in the country, serving more than 50% of the country's population. Mediation analysis was performed on a wide list of co-morbidities, medications and clinical test results in order to establish the mediation of their relationshie taken into account.
Few studies have investigated the consequences of fall-induced hip fractures among healthy, community-dwelling middle-aged adults.
To investigate the effects of fall-induced hip fractures on cognitive function, activities of daily living, and mortality from the time the fractures increase.
A secondary data analysis based on data from the Korean Longitudinal Study of Aging (2006-2016).
Participants were 8,571 people over 45 years in South Korea who had never experienced a fall-induced hip fracture by 2006. Participants were divided into a hip-fracture group (those who experienced one or more hip fractures between 2008 and 2016; N=306), and a non-hip-fracture group (those who did not experience a hip fracture during this period; N=8,265). A linear mixed model, Kaplan-Meier analysis, and Cox regression were used to analyze the effects of hip fractures on mortality, the Mini Mental State Examination, Activities of Daily Living, and Instrumental Activities of Daily Living scores during 2008-2016.
In the hip-fracture group, compared to the non-fracture group, the change in Mini Mental State Examination score was significantly greater (p=001); however, although there was a significant difference at each time point (p < .
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