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Lopez-Mendoza, Javier,Vargas-Flores, Edgar,Mouneu-Ornelas, Nicole,Altamirano-Arcos, Carlos Korean Society of Plastic and Reconstructive Surge 2021 Archives of Plastic Surgery Vol.48 No.4
Background The result of illicit polymer injection is chronic inflammation with foreign-body granuloma (FBG) formation. Treatment can be divided into medical and surgical. Some patients develop severe complications with need surgical treatment. This study aims to describe patients who underwent surgical removal of the FBGs and autoimmune/inflammatory syndrome induced by adjuvants (ASIA); additionally, we evaluated the quality of life after surgery. Methods In this retrospective single-center study, the authors examined data of patients who underwent surgical removal of FBG caused by illicit polymer injection for cosmetic purposes and confirmed ASIA from 2015 to 2020 by three different surgical approaches. Descriptive summary statistics were reported on patient demographics, presenting symptoms and clinical examination features, treatment strategies, histopathology reports and quality of life. Results The cohort included 11 female patients with FBGs and ASIA. The most affected anatomical zones were the combination of gluteal region, thighs and legs (40%); and thighs with legs (20%). Main presentation was: skin hyperpigmentation (90.9%), skin induration (63.6%), chronic fatigue (63.6%), and ulcers (36.4%). Surgical modalities consisted of: ultrasonic-assisted liposuction in four patients (36.4%); open en bloc excision and primary closure in four patients (36.4%); and open en bloc excision and microsurgical reconstruction in three patients (27.2%). The postoperative quality of life visual analog scale score was 83.9. Conclusions ASIA treatment represents a challenge for the plastic surgeon. Adequate surgical treatment emphasizing, when possible, the total or near-total resection of the FBG must be performed to improve ASIA evolution.
Female Breast Cancer Incidence and Mortality in Mexico, 2000-2010
Anaya-Ruiz, Maricruz,Vallejo-Ruiz, Veronica,Flores-Mendoza, Lilian,Perez-Santos, Martin Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.3
The objective of this study was to investigate the recent incidence and mortality trends for breast cancer in Mexican females. Data between 2000 and 2010 from the Department of Epidemiology of the Ministry of Health, and International Agency for Research on Cancer (IARC) were analyzed. Age-standardized rates (ASRs) and annual percent changes (APCs) were calculated. The absolute incidence and mortality rates of breast cancer increased: 3,726 and 4,615 in 2000 to 8,545 and 4,966 in 2010, respectively. Incidence increased over time in all age groups tested, the 60-64 age group had the highest ASR (57.4 per 100,000 women in 2010), while the 20-44 age group had the lowest ASR (12.3 in 2010). The results show that incidence of breast cancer has increased in Mexico during last one decade, especially among older women, while the downturn observed in mortality mainly reflects improved survival as a result of earlier diagnosis and better cancer treatment.
Essential oil impregnation into graphene sponges with electric desorption control
Mendez, Jose Antonio Cabello,Bueno, Jose de Jesus Perez,Valencia, Jorge Ivan Mendoza,Soto, Jonathan Soto,Lopez, Maria Luisa Mendoza,Guerrero, Mizraim Uriel Flores Techno-Press 2022 Advances in nano research Vol.12 No.6
This work shows the impregnation of scents using a graphene sponge (GS). This was functionalized by the modified Hummers method, pursuing to add different functional groups. It is proposed to achieve the release and seek to control it through electrical potential applied to the graphene sponge with essential oils. The graphene sponge was functionalized and steeped with two kinds of oil. The electrochemical study demonstrates the variation in the electrochemical behaviour of the functionalized graphene sponge without and impregnated with oil. The release of the oil and its aromatic scents was carried out by applying an electrical potential of 30 V, with a release rate of 1.86 mg/min. The heating of the sample that causes the release of oil, associated with the electrical resistance of the system, reaches temperatures of about 150℃. The essential oils, graphene sponge, surfactant, graphene sponge with essential oils, graphene sponge recuperated after applying electric potential, graphene sponge recovered by temperature and dipropylene glycol (DPG) were characterized using Fourier transformed infrared spectroscopy (FTIR), digital microscopy, and x-ray photoelectron spectroscopy (XPS).
N.A. Medellin-Castillo,R. Leyva-Ramos,E. Padilla-Ortega,R. Ocampo Perez,J.V. Flores-Cano,M.S. Berber-Mendoza 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.6
The adsorption of fluoride from water on bone char (BC) was investigated in this work, and the fluorideadsorption capacity of BC was compared to that of hydroxyapatite (HAP). The adsorption capacity of BCand HAP drastically increased while decreasing the pH from 7.0 to 5.0. Furthermore, the fluorideadsorption on BC was due to its HAP content and was not considerably affected by the presence of theanions Cl-, HCO3-, CO32-, SO42-, NO3- and NO2-. The mechanism of fluoride adsorption on BC wasattributed to electrostatic interactions between surface charge of BC and fluoride ions in solution.