Stomal stenosis during gradual closure of a traumatic abdominal wall hernia

ConclusionGradual postoperative closure of a traumatic abdominal wall hernia with an ostomy in place may result in stomal stenosis. Stomal patency must be carefully evaluated during this process.
Source: International Journal of Surgery Case Reports - Category: Surgery Source Type: research

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ConclusionPositron emission computed tomography is useful for the diagnosis of head and neck squamous cell carcinoma, improving the patient's staging especially when detecting cervical and distant metastases. Therefore, we consider that the use of positron emission computed tomography for the staging of patients with head and neck squamous cell carcinoma is a diagnostic test to be considered.ResumoIntroduçãoO carcinoma espinocelular de cabeça e pescoço é o sétimo tumor maligno mais comum. Os avanços no tratamento melhoraram as taxas de sobrevida global nos últimos ano...
Source: Brazilian Journal of Otorhinolaryngology - Category: ENT & OMF Source Type: research
Publication date: Available online 20 July 2019Source: Materials Today: ProceedingsAuthor(s): S. Sathish, V. Anandakrishnan, Manoj GuptaAbstractMagnesium based metal-metal composite was synthesized through the disintegrated melt deposition technique with the inclusion of aluminium and titanium powders. To examine the metallurgical features of the metal-metal composite the samples of the produced composite was subjected to x-ray diffraction analysis and scanning electron microscopy analysis. To study the tribology of the metal-metal composite, pins of composites were subjected to dry sliding wear test as per standards and t...
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
The objective of this project is to design a wireless motion controlled dual six axis robotic arms with rover using motion technology. This robot can be used in national defense system, for border surveillance, repair works in critical areas, mine detection and diffusing. In this work concluded, the robot is designed and assembled in such a way that all the operations can be carried out by using only hand motions along with push buttons.
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
Publication date: November 2019Source: Materials Science and Engineering: C, Volume 104Author(s): Joanna Michalska, Maciej Sowa, Magdalena Piotrowska, Magdalena Widziołek, Grzegorz Tylko, Grzegorz Dercz, Robert P. Socha, Anna M. Osyczka, W. SimkaAbstractThe present work concerns the surface modification of The Ti-13Nb-13Zr alloy by electropolishing and plasma electrolytic oxidation (PEO) process in Ca-containing electrolytes: calcium formate and calcium lactate solutions (0.1–1.0 mol dm−3) under voltages of 200 and 400 V. As a result of the PEO process, a porous oxide layer containing incorporated calciu...
Source: Materials Science and Engineering: C - Category: Materials Science Source Type: research
Publication date: November 2019Source: Materials Science and Engineering: C, Volume 104Author(s): Ángel R. Hernandez-Martinez, Gustavo A. Molina, Angelina Rodríguez-Torres, Brenda Ledesma-Mendoza, Alicia Del Real, Joaquín Barroso-Flores, Miriam EstevezAbstractEysenhardtia polystachya (EP) is an endemic Mexican plant that has been widely studied for its antidiabetic, antibacterial, and antioxidant properties. Several studies had reported the main components of EP, but their fluorescence properties had not been broadly studied. In a previous study we obtained extracts with different composition from this...
Source: Materials Science and Engineering: C - Category: Materials Science Source Type: research
Publication date: Available online 20 July 2019Source: Materials Science and Engineering: AAuthor(s): Yongming Yan, Weidong Song, Shengguo MaAbstractThe gradient microstructure and deformation mechanisms of an as-cast 6 mm-diameter ZrCuAl metallic alloy are investigated using optical microscope (OM), X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The metallic alloy with gradient microstructure in both phase constituent and grain size from surface to core is prepared based on a fast cooling technique. The quasi-static mechanical property of the alloy is studied and ...
Source: Materials Science and Engineering: A - Category: Materials Science Source Type: research
Publication date: Available online 21 July 2019Source: Materials Chemistry and PhysicsAuthor(s): Mohaddesesh Shahabi Nejad, Neda Seyedi, Hassan SheibaniAbstractIn this research, a novel approach has been investigated for the fabrication of functionalized two-dimensional graphene oxide and promoted with phosphotungstic acid. First, PVP units with medium molecular weight were placed between graphene sheets for preparation of two-dimensional graphene oxide and then the surface of 2D-graphene oxide modified with (3-chloropropyl)triethoxysilane and metformin respectively. Finally, prepared support prompted with phosphotungstic ...
Source: Materials Chemistry and Physics - Category: Materials Science Source Type: research
Publication date: Available online 19 July 2019Source: Materials Chemistry and PhysicsAuthor(s): Ayman A. Ali, Ibrahim S. AhmedAbstractCobalt orthosilicate ceramic powder was fabricated successfully by using self-combustion of the modified gel in the presence of tartaric acid and glycine fuels. Violet coloring agent was obtained after the calcination of the obtained powder at 800, 850 and 900 °C. The synthesized ceramic samples were investigated by thermal analysis, X-ray diffraction, Fourier-transform infrared spectroscopy, Field Emission scanning electron microscopy, high resolution transmission electron microscopy...
Source: Materials Chemistry and Physics - Category: Materials Science Source Type: research
Publication date: Available online 20 July 2019Source: NeuroImageAuthor(s): Alican Nalci, Wenjing Luo, Thomas T. LiuAbstractIn resting-state functional MRI, the correlation between blood-oxygenation-level-dependent (BOLD) signals across brain regions is used to estimate the functional connectivity (FC) of the brain. FC estimates are prone to the influence of nuisance factors including scanner-related artifacts and physiological modulations of the BOLD signal. Nuisance regression is widely performed to reduce the effect of nuisance factors on FC estimates on a per-scan basis. However, a dedicated analysis of nuisance effect...
Source: NeuroImage - Category: Neuroscience Source Type: research
Conclusions The risk factors associated with developing complications are higher BMI, longer operating time, larger mesh size, larger hernia size, component separation, use of biologic mesh, chronic obstructive pulmonary disease, and intestinal violation. The use of negative-pressure wound therapy decreased complication rates, and patients with a previous hernia repair seemed to benefit the most from having a combined VHR/PAN. However, when compared with previous reports of VHR alone, VHR/PAN does seem to increase wound complications and reoperation rates.
Source: Annals of Plastic Surgery - Category: Cosmetic Surgery Tags: Reconstructive Surgery Source Type: research
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