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1.
Breastfeed Med ; 19(5): 349-356, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38469624

RESUMO

Background: Obesity is characterized as a low-grade chronic inflammatory state, marked by elevated inflammatory biomarkers. Breast milk (BM) is rich in nutritional elements, vitamins, minerals, immunological factors, and bioactive components. These bioactive components, capable of influencing biological processes, may vary in concentration based on maternal body composition. Research Aim/Question(s): This study aimed to explore the association between pro-inflammatory cytokine levels (interleukin-1 beta [IL-1ß], interleukin-6 [IL-6], and tumor necrosis factor-alpha [TNF-α]) in human colostrum and maternal body composition, as analyzed through bioelectrical impedance vector analysis (BIVA). Method: In this cross-sectional study, 117 healthy postpartum participants were included, with each group (normal weight, overweight, and obese) comprising 39 individuals, as classified by BIVA. Colostrum samples were collected within the first 24 hours postpartum. Results: IL-1ß levels did not significantly differ across the groups, with concentrations of 69.5 ± 103 pg/mL in normal-weight, 79.7 ± 97.9 pg/mL in overweight, and 68.7 ± 108 pg/mL in obese women. IL-6 levels were significantly higher in the overweight group (55 ± 72.4 pg/mL) than in the normal-weight (48.1 ± 74.1 pg/mL) and obese groups (28.9 ± 36.2 pg/mL) (p = 0.02). Similarly, TNF-α levels were higher in the overweight group, with concentrations of 58.7 ± 74.9 pg/mL, than in the normal-weight group, with concentrations of 38.6 ± 95.4 pg/mL, and 52.6 ± 115 pg/mL in obese women (p = 0.02). Conclusion: This study shows that IL-6 and TNF-α concentrations were statistically higher in the colostrum of overweight women, suggesting that maternal body composition may influence the inflammatory profile of BM.


Assuntos
Composição Corporal , Colostro , Interleucina-1beta , Interleucina-6 , Obesidade , Período Pós-Parto , Fator de Necrose Tumoral alfa , Humanos , Feminino , Colostro/química , Adulto , Estudos Transversais , Fator de Necrose Tumoral alfa/análise , Fator de Necrose Tumoral alfa/metabolismo , Interleucina-6/metabolismo , Interleucina-6/análise , Interleucina-1beta/análise , Interleucina-1beta/metabolismo , Obesidade/metabolismo , Sobrepeso/metabolismo , Gravidez , Leite Humano/química , Biomarcadores/análise , Adulto Jovem
2.
Rev. mex. anestesiol ; 46(2): 111-115, abr.-jun. 2023. tab, graf
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1508628

RESUMO

Resumen: Introducción: La tos es una respuesta fisiológica de protección de la vía aérea, produce aerosoles que se identifican por imagen y alcanza una velocidad de hasta ocho metros por segundo. La extubación produce tos, hipertensión, taquicardia, apnea y laringoespasmo, existen métodos para minimizar su aparición. Debido a la pandemia de COVID-19 se han utilizado como profilaxis del reflejo tusígeno, la lidocaína intravenosa y el bloqueo del nervio laríngeo superior. El objetivo fue compararlos en la inhibición de la tos. Material y métodos: Se seleccionaron pacientes entre 18-60 años, cirugía electiva con anestesia general balanceada, ASA 1-3, con intubación menor a tres horas. Se aleatorizó un total de 90 pacientes, 45 en cada grupo, se eliminó un total de 10 pacientes por presentar inestabilidad hemodinámica al final de la cirugía o por no administrar dosis intravenosa de lidocaína en el tiempo establecido. Resultados: No hubo diferencia estadísticamente significativa en el número de pacientes que presentaron tos en ambos grupos (13 vs 10, p = 0.4684), de éstos se obtuvo una diferencia estadísticamente significativa en el número de decibeles a favor del grupo de bloqueo (75.6 vs 67, p < 0.001). Conclusiones: El bloqueo (selectivo) presenta menos aerolización que la lidocaína intravenosa en la extubación.


Abstract: Introduction: Coughing is a physiological response to protect the airway, it produces aerosols that are identified by imaging reaching a speed of up to 8 meters per second. Extubation produces cough, hypertension, tachycardia, apnea and laryngospasm, there are methods to minimize its occurrence. Due to the COVID-19 pandemic, intravenous lidocaine and superior laryngeal nerve block have been used as cough reflex prophylaxis. The aim was to compare them in cough inhibition. Material and methods: Patients aged 18-60 years, elective surgery with balanced general anesthesia, ASA 1-3, with intubation less than 3 hours, were selected. A total of 90 patients were randomized, 45 in each group. A total of 10 patients were eliminated because they presented hemodynamic instability at the end of surgery, and because the intravenous dose of lidocaine was not administered within the established time. Results: There was no statistically significant difference in the number of patients who presented cough in both groups (13 vs 10, p = 0.4684), of these there was a statistically significant difference in the number of decibels in favor of the block group (75.6 vs 67, p < 0.001). Conclusions: Block presents less aerolization than intravenous lidocaine in extubation.

3.
Bol. méd. Hosp. Infant. Méx ; 80(3): 177-182, May.-Jun. 2023. tab
Artigo em Inglês | LILACS-Express | LILACS | ID: biblio-1513751

RESUMO

Abstract Background: Intravascular venous (VUC) or arterial (AUC) umbilical catheter placement is the most frequent invasive procedure in the neonatal intensive care unit (NICU). Either Wright's or Shukla's formula is used to introduce the catheters. However, Shukla's formula is associated with incorrect insertion, especially for newborns < 1500 g. This study aimed to determine by chest X-ray if Wright's formula is better than Shukla's formula for the correct placement of umbilical catheters in newborns ≤ 1500 g. Methods: We included patients admitted to the NICU of a secondary-level hospital between 2021-2022 who received VUC or AUC through the Wright or Shukla formulas. Results: A total of 129 newborns were included: 78 with VUC and 51 with AUC. In VUC, 50% with Wright and 36.8% with Shukla formulas had the correct location, (p = 0.24). In AUC, 56.6 % with Wright and 52.4% with Shukla formulas were placed correctly placed, (p = 0.76). VUC with weight < 1000 g were correctly placed in 36.4% with Wright and 33.3% with Shukla formulas (p = 0.58). VUC in newborns > 1000 g were correctly placed in 66.6% with Wright and 38.4% with Shukla formulas (p = 0.065). AUC in newborns < 1000 g were correctly placed in 45% using Wright and 42.9% Shukla formulas (p = 0.63). AUC in newborns > 1000 g were correctly placed in 80% using Wright and 57.1% Shukla formulas (p = 0.23). Conclusions: We found 13% more correctly placed VUC using Wright's formula. Moreover, Wright's formula was 29% above Shukla's VUC placement in neonates > 1000 g, although there was no significant difference due to the sample size.


Resumen Introducción: La colocación de catéteres intravasculares venosos umbilicales (CVU) y arteriales (CAU) es el procedimiento invasivo más frecuente en la unidad de cuidados intensivos neonatales (UCIN). Para introducirlos se utilizan las fórmulas de Wright y de Shukla, aunque esta última podría estar asociada con una inserción incorrecta, especialmente en neonatos < 1500 g. El objetivo de este estudio fue determinar mediante radiografía de tórax cuál fórmula es mejor para la correcta colocación de catéteres umbilicales en recién nacidos ≤ 1500 g. Métodos: Se incluyeron los pacientes ingresados en la UCIN de un hospital de segundo nivel entre 2021-2022 que recibieron CVU o CAU mediante las fórmulas de Wrigth o Shukla. Resultados: Se incluyeron en total 129 recién nacidos: 78 CVU y 51 CAU. En CVU, Wright 50% y Shukla 36.8% tuvieron localización correcta, p = 0.24. En las CAU, Wright 56.6% y Shukla 52.4% tenían una ubicación correcta, p = 0.76. En CVU con peso < 1000 g, Wright 36.4% y Shukla 33.3% bien situados, p = 0.58. En CVU > 1000 g, Wright 66.6% y Shukla 38.4% bien situados, p = 0.065. En CAU < 1000 g, Wright 45% y Shukla 42.9%, p = 0.63. En CAU con peso > 1000 g, Wright 80% y Shukla 57.1%, p = 0.23. Conclusiones: La colocación del CVU fue 13% mejor con la fórmula de Wright. La fórmula de Wright superó en el 29% la colocación del CVU en los neonatos > 1000 g en comparación con la de Shukla, aunque no hubo diferencia significativa debido al tamaño de la muestra.

4.
Invest. clín ; Invest. clín;63(2): 137-146, jun. 2022. tab
Artigo em Inglês | LILACS-Express | LILACS | ID: biblio-1534650

RESUMO

Abstract Acute pancreatitis (AP) requires first-line treatment with intensive fluid resuscitation. Hydroelectrolyte changes secondary to this management could be related to an increase in hospital stay, complications, and mortality. The objective of this study was to correlate the increase in serum chlorine (> 8mEq / L) during the first 24 hours (ISC) with a longer hospital stay, complications and mortality in patients with AP. A total of 110 patients with AP admitted to the emergency room were included. Fluid management and serum chlorine were recorded on admission and after 24 hours; duration of hospital stay, complications and mortality, were also registered. 37 patients had ISC (age 56.4 ± 18.4 years; 51% women), there were no differences in age, sex or type of fluid management with patients without ISC. In bivariate analysis, ISC was associated with severe AP (30% vs 12%, p = 0.02), higher APACHE II score at admission (8 [6-15] vs 6 [4-9] points, p = 0.006), and longer hospital stay (9 [7-12] vs 7 [5-10] days, p = 0.03). The overall mortality and complications rate were 16% and 25%, respectively, with no differences between the groups (24% vs. 12%, p = 0.1 and 35% vs. 19%, p = 0.06). After multivariate adjustment, independent predictors of hospital stay were ISC> 8 mEq / L (p = 0.01) and APACHE II scores at 24 hours (p = 0.02). We conclude that ISC is associated with a longer hospital stay in patients with AP from a second-level hospital care population.


Resumen La pancreatitis aguda (PA) requiere tratamiento de primera línea con reanimación hídrica intensiva. Los cambios hidroelectrolíticos secundarios a este manejo podrían relacionarse a un incremento en la estancia hospitalaria, complicaciones y mortalidad. El objetivo de este estudio fue correlacionar el incremento de cloro sérico (>8mEq/L) en las primeras 24hrs (ICS), con una mayor estancia hospitalaria, complicaciones y mortalidad en pacientes con PA. Se incluyeron 110 pacientes con PA ingresados a urgencias, se registró el manejo hídrico y cloro sérico al ingreso y 24 horas después, la estancia hospitalaria, complicaciones y mortalidad. 37 pacientes tuvieron ICS (edad 56,4 ± 18,4 años; 51% mujeres) no hubo diferencias en edad, sexo o tipo de manejo hídrico en pacientes sin ISC. En el análisis bivariado, el ICS se asoció a PA grave (30% vs 12%, p = 0,02), mayor puntuación APACHE II al ingreso (8 [6-15] vs 6 [4-9] puntos, p = 0,006) y estancia hospitalaria más prolongada (9 [7-12] frente a 7 [5-10] días, p = 0,03). La tasa global de mortalidad y complicaciones fueron del 16% y el 25%, respectivamente, sin diferencias entre grupos (24% vs 12%, p = 0,1 y 35% vs 19%, p = 0,06). Después del ajuste multivariado, los predictores independientes de la estancia hospitalaria fueron ICS> 8 mEq/L (p = 0,01) y las puntuaciones APACHE II a las 24 horas (p = 0,02). Concluimos que el ICS se asocia a mayor estancia hospitalaria en pacientes con PA de una población de segundo nivel de atención hospitalaria.

5.
Rev. Méd. Inst. Mex. Seguro Soc ; Rev. Méd. Inst. Mex. Seguro Soc;59(5): 404-411, oct. 2021. tab
Artigo em Espanhol | LILACS | ID: biblio-1357978

RESUMO

Introducción: la pandemia por COVID-19 es uno de los principales problemas de salud pública en el mundo. De las personas contagiadas, una gran cantidad son trabajadores de la salud de unidades de primer nivel. Objetivo: determinar la relación entre el tiempo de estancia en consultorios respiratorios y la infección de SARS-CoV-2 en trabajadores de la salud de un centro de primer nivel de atención. Material y métodos: estudio transversal analítico en trabajadores de primer nivel de atención de San Luis Potosí, México, que desarrollaron síntomas de COVID-19 de marzo de 2020 a enero de 2021. Se les realizó RT-PCR para SARS-CoV-2 y a partir del resultado se conformaron dos grupos. Se registraron variables demográficas, ocupación, área de trabajo, trabajo en consultorio respiratorio, horas de trabajo acumuladas en consultorio respiratorio/toma de muestra hasta el desarrollo de síntomas, fecha de desarrollo de síntomas. Resultados: de 350 trabajadores, 144 desarrollaron sintomatología respiratoria; de estos, 66 tuvieron RT-PCR positiva para SARS-CoV-2. Atender pacientes en un consultorio no respiratorio confiere una RM 2.49 (1.04-6.26) con respecto a los que trabajan en consultorio respiratorio para infección por SARS-CoV-2 (p 0.0446). Estar en filtro respiratorio confiere una RM protectora de 0.3062 (0.08-0.99) de infección por SARS-CoV-2 (p 0.0608). Cada hora acumulada en un consultorio respiratorio confiere una RM 1.001 (0.99-1.00) sin significación estadística (p 0.3046). Conclusión: trabajar en consultorio respiratorio y las horas acumuladas de trabajo en este no son factores de riesgo para desarrollar COVID-19 en los trabajadores de la salud.


Background: The pandemic caused by COVID-19 is one of the main problems of public health around the world. Of the individuals with infection, a large amount corresponds to first-level health workers. Objective: To determine the relationship between length of stay in respiratory offices and SARS-CoV-2 infection in health workers at a first-level health center. Material and methods: Cross-sectional analytic study in health workers of a first-level unit of San Luis Potosí, Mexico, who developed suspected symptomatology of SARS-CoV-2 infection from March 2020 to January 2021. Two groups were formed according to the result of the RT-PCR. Demographic variables, occupation, work area, work in respiratory area, hours of work accumulated within the respiratory area to develop symptomatology, and date of development of symptomatology were registered. Results: Of 350 health workers active, 144 developed respiratory symptomatology; of these, 66 had positive RT-PCR for SARS-CoV-2 infection. Working in an area with no respiratory patients but in contact with other patients confers an OR 2.49 (1.04-6.26), when compared with working in a respiratory area, p 0.0446. The length in a filter for respiratory patients gives a protective OR of 0.3062 (0.08-0.99) for developing SARS-CoV-2 infection, p 0.0608. Each hour accumulated in a respiratory area confers an OR 1.001 (0.99-1.00) without statistical significance, p 0.3046. Conclusion: Working in a respiratory area and the accumulated hours of work in this place are not risk factors for developing COVID-19 in health workers.


Assuntos
Humanos , Masculino , Feminino , Atenção Primária à Saúde , Qualidade da Assistência à Saúde , Saúde Pública , Pessoal de Saúde , SARS-CoV-2 , COVID-19 , Sinais e Sintomas , Centros de Saúde , Fatores de Risco , México , Categorias de Trabalhadores
6.
Arch. cardiol. Méx ; Arch. cardiol. Méx;89(2): 123-129, Apr.-Jun. 2019. tab, graf
Artigo em Espanhol | LILACS | ID: biblio-1142173

RESUMO

Resumen Antecedentes: El conducto arterioso es una estructura necesaria en la circulación fetal, su persistencia puede provocar alteraciones hemodinámicas. El estándar de oro diagnóstico es la ecocardiografía, no siempre disponible. Las unidades de cuidados intensivos neonatales (UCIN) cuentan con oximetría de pulso, que mide el índice de perfusión (IP), el cual podría funcionar como auxiliar en el diagnóstico de persistencia del conducto arterioso hemodinámicamente significativo (PCAHs). Objetivo: Correlacionar el incremento del índice de perfusión (ΔIP) a las 24 y 72 h de vida extrauterina con PCAHs en recién nacidos prematuros de la UCIN de un hospital de segundo nivel. Material y métodos: Estudio de cohorte analítico prospectivo donde se incluyeron neonatos de 26 a 34 semanas de gestación, sin comorbilidades, a quienes se les realizó ecocardiograma y medición de IP en brazo y pierna a las 24 y 72 h. Se efectuó análisis bivariante con Y2/prueba exacta de Fisher y t de Student/U de Mann-Whitney, además correlación de Spearman y regresión lineal para predicción de valores. Resultados: Se incluyeron 39 prematuros. No se encontró diferencia significativa entre los pacientes sin y con PCAHs (mediana: 0.22 [0.06, 0.58] vs. 0.03 [–0.27, 0.2]; p = 0.09) a las 24 h de vida y tampoco a las 72 h de vida (mediana: 0.2 [0, 0.47] vs. 0.45 [–0.37, 0.76], p = 0.47). Se encontró una correlación positiva entre el diámetro del conducto arterioso (DCA) y el ΔIP (r: 0.78; IC 95%: 0.60-0.88; p = 0.01). La fórmula de predicción por regresión lineal se expresa así: DCA = 1.31 + (2.05 x ΔIP). Conclusiones: El IP no permite discriminar entre pacientes sin y con PCAHs. El ΔIP podría ser una herramienta para la monitorización del diámetro del conducto en neonatos después de las 72 h de vida.


Abstract Background: The ductus arteriosus is a necessary structure in fetal circulation, and its patency can produce hemodynamic alterations. The diagnostic gold standard is echocardiography, not always available. In the neonatal intensive care unit (NICU) they have pulse oximetry that measures perfusion index (PI), which could be used as a diagnostic tool in hemodynamic significant patent ductus arteriosus (HSPDA). Objective: To correlate the perfusion index increment (ΔPI) in 24 and 72 h after birth with HSPDA in premature newborns of NICU in a second level hospital. Materials and methods: This is an analytic prospective study which included neonates of 26-34 weeks of gestational age, without comorbidities, who underwent echocardiography and measurement of PI in arm and leg, 24 and 72 h after birth. We did bivariate analysis with Y2/exact Fisher test and Student t-test/Mann-Whitney U test, besides Spearman correlation and linear regression for value prediction. Results: We included 39 premature newborns. We did not find significant differences between patients without and with HSPDA (Median: 0.22 [0.06-0.58] vs. 0.03 [–0.27-0.2]; p = 0.09) at 24 h neither 72 h after birth (Median: 0.2 [0-0.47] vs. 0.45 [–0.37-0.76]; p = 0.47). We found a positive correlation between ductus arteriosus diameter (DAD) and ΔPI (r: 0.78; CI 95%: 0.6-0.88; p = 0.01). The prediction formula with linear regression is expressed this way: DAD = 1.31 + (2.05 x ΔIP). Conclusions: The PI doesn´t allow us to discriminate between patient without and with HSPDA. The ΔPI could be a tool for the monitorization of DAD in neonates 72 h after birth.


Assuntos
Feminino , Humanos , Recém-Nascido , Masculino , Permeabilidade do Canal Arterial/diagnóstico , Índice de Perfusão , Fatores de Tempo , Recém-Nascido Prematuro , Estudos Prospectivos , Permeabilidade do Canal Arterial/fisiopatologia , Correlação de Dados , Hemodinâmica
7.
Plast Surg (Oakv) ; 26(2): 75-79, 2018 May.
Artigo em Inglês | MEDLINE | ID: mdl-29845043

RESUMO

BACKGROUND: Clinical trials have shown the positive effects of local insulin therapy in the formation of new vessels and fibrosis in acute and chronic diabetic wounds without major adverse effects. OBJECTIVE: The aim of this study was to investigate the effects of local insulin use on wound healing in non-diabetic patients. METHODS: A randomized, split-plot, double-blind, placebo-controlled trial was conducted. Ten non-diabetic patients with full-thickness acute wounds were recruited (5 due to trauma, 3 to burns, and 2 to pressure). All wounds received standard bedside treatment. Each wound was divided into 2 zones. One side received a standard care plus insulin, while the other received standard care plus injection of saline solution. A biopsy specimen was taken from both sites on days 0 and 14. The amount of blood vessel growth and the percentage of fibrosis were evaluated. RESULTS: A significant difference in the number of new vessels was observed on the insulin-treated site (70.6 [29.21]) compared to saline only (26.5 [34.3]; P < .04). The percentage of fibrosis (insulin 34.7 [28.02] vs saline 27.8 [29.9]) showed no significant difference. No adverse events related to the study occurred. The clinical implications of this study are considerable in terms of the formation of blood vessels but not fibrosis. CONCLUSION: We suggest that local insulin administration is a safe therapeutic option for angiogenesis in wounds of non-diabetic patients.


HISTORIQUE: Les essais cliniques démontrent les effets positifs de l'insulinothérapie localisée pour former de nouveaux vaisseaux ou une fibrose en cas de plaies aiguës ou chroniques causées par le diabète, sans entraîner de réactions indésirables majeures. OBJECTIF: La présente étude visait à évaluer les effets de l'utilisation localisée d'insuline chez des patients non diabétiques. MÉTHODOLOGIE: Les chercheurs ont réalisé un essai aléatoire et contrôlé contre placebo, en parcelles divisées et à double insu. Ils ont recruté dix patients non diabétiques ayant des plaies aiguës de pleine épaisseur (cinq à cause d'un traumatisme, trois à cause de brûlures et deux à cause de pression). Toutes les plaies ont fait l'objet de soins standards au chevet du patient et chacune a été divisée en deux zones. Une zone faisait l'objet de soins standards avec l'ajout d'insuline et l'autre zone, de soins standards avec l'injection de soluté physiologique. Les chercheurs ont prélevé une biopsie dans chaque zone les jours 0 et 14. Ils ont évalué la croissance des vaisseaux sanguins et le pourcentage de fibrose. RÉSULTATS: Les chercheurs ont observé une différence significative dans le nombre de nouveaux vaisseaux de la zone traitée à l'insuline (70,6 ± 29,21) par rapport à celle traitée à l'aide de soluté physiologique (26,5 ± 34,3; P <0,04). Ils n'ont pas constaté de différence significative dans le pourcentage de fibrose (insuline 34,7 ± 28,02 et soluté physiologique 27,8 ± 29,9) ni de réactions indésirables liées à l'étude. Les conséquences cliniques de la présente étude sont considérables à l'égard de la formation de vaisseaux sanguins, mais pas de la fibrose. CONCLUSION: Selon les chercheurs, l'administration localisée d'insuline serait sécuritaire pour l'angiogenèse des plaies des patients non diabétiques.

8.
J Appl Oral Sci ; 25(2): 186-195, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28403359

RESUMO

OBJECTIVE: The aim of this study was to obtain autologous dermal-epidermal skin substitutes from oral mucosa from diabetic subjects as a first step towards a possible clinical application for cases of diabetic foot. MATERIAL AND METHODS: Oral mucosa was obtained from diabetic and healthy subjects (n=20 per group). Epidermal cells were isolated and cultured using autologous fibrin to develop dermal-epidermal in vitro substitutes by the air-liquid technique with autologous human serum as a supplement media. Substitutes were immunocharacterized with collagen IV and cytokeratin 5-14 as specific markers. A Student´s t- test was performed to assess the differences between both groups. RESULTS: It was possible to isolate epidermal cells from the oral mucosa of diabetic and healthy subjects and develop autologous dermal-epidermal skin substitutes using autologous serum as a supplement. Differences in the expression of specific markers were observed and the cytokeratin 5-14 expression was lower in the diabetic substitutes, and the collagen IV expression was higher in the diabetic substitutes when compared with the healthy group, showing a significant difference. CONCLUSION: Cells from oral mucosa could be an alternative and less invasive source for skin substitutes and wound healing. A difference in collagen production of diabetic cells suggests diabetic substitutes could improve diabetic wound healing. More research is needed to determine the crosstalk between components of these skin substitutes and damaged tissues.


Assuntos
Transplante de Células/métodos , Diabetes Mellitus Tipo 2 , Células Epidérmicas , Células Epiteliais/transplante , Mucosa Bucal/citologia , Pele Artificial , Adulto , Idoso , Materiais Biocompatíveis , Estudos de Casos e Controles , Técnicas de Cultura de Células , Proliferação de Células , Células Cultivadas , Colágeno/análise , Diabetes Mellitus Tipo 2/terapia , Feminino , Fibroblastos , Humanos , Queratinócitos/citologia , Masculino , Pessoa de Meia-Idade , Reprodutibilidade dos Testes , Úlcera Cutânea/terapia , Fatores de Tempo , Transplante Autólogo , Cicatrização
9.
J. appl. oral sci ; J. appl. oral sci;25(2): 186-195, Mar.-Apr. 2017. tab, graf
Artigo em Inglês | LILACS, BBO - Odontologia | ID: biblio-841186

RESUMO

Abstract Oral mucosa has been highlighted as a suitable source of epidermal cells due to its intrinsic characteristics such as its higher proliferation rate and its obtainability. Diabetic ulcers have a worldwide prevalence that is variable (1%-11%), meanwhile treatment of this has been proven ineffective. Tissue-engineered skin plays an important role in wound care focusing on strategies such autologous dermal-epidermal substitutes. Objective The aim of this study was to obtain autologous dermal-epidermal skin substitutes from oral mucosa from diabetic subjects as a first step towards a possible clinical application for cases of diabetic foot. Material and Methods Oral mucosa was obtained from diabetic and healthy subjects (n=20 per group). Epidermal cells were isolated and cultured using autologous fibrin to develop dermal-epidermal in vitro substitutes by the air-liquid technique with autologous human serum as a supplement media. Substitutes were immunocharacterized with collagen IV and cytokeratin 5-14 as specific markers. A Student´s t- test was performed to assess the differences between both groups. Results It was possible to isolate epidermal cells from the oral mucosa of diabetic and healthy subjects and develop autologous dermal-epidermal skin substitutes using autologous serum as a supplement. Differences in the expression of specific markers were observed and the cytokeratin 5-14 expression was lower in the diabetic substitutes, and the collagen IV expression was higher in the diabetic substitutes when compared with the healthy group, showing a significant difference. Conclusion Cells from oral mucosa could be an alternative and less invasive source for skin substitutes and wound healing. A difference in collagen production of diabetic cells suggests diabetic substitutes could improve diabetic wound healing. More research is needed to determine the crosstalk between components of these skin substitutes and damaged tissues.


Assuntos
Humanos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Idoso , Pele Artificial , Transplante de Células/métodos , Diabetes Mellitus Tipo 2 , Epiderme/citologia , Células Epiteliais/transplante , Mucosa Bucal/citologia , Úlcera Cutânea/terapia , Fatores de Tempo , Transplante Autólogo , Cicatrização , Materiais Biocompatíveis , Estudos de Casos e Controles , Queratinócitos/citologia , Células Cultivadas , Reprodutibilidade dos Testes , Colágeno/análise , Técnicas de Cultura de Células , Proliferação de Células , Diabetes Mellitus Tipo 2/terapia , Fibroblastos
11.
Pathog Glob Health ; 106(4): 245-8, 2012 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23265426

RESUMO

BACKGROUND: Toxic or fulminant colitis due to Entamoeba histolytica infrequently presents but is very serious. Unfortunately, there are numerous contradictory factors related to mortality. METHODS: We analyzed several cases of E. histolytica infection to determine the factors related to mortality. We included patients >15 years of age who were histopathologically diagnosed with amoebic toxic colitis and treated from January 2000 through December 2006. We evaluated demographic, clinical, laboratorial, surgical, and histopathological characteristics. RESULTS: We examined 24 patients and recorded 12 deaths (50%). Twenty patients underwent surgery within a mean time of 24 hours (range: 8-120 hours). Tenesmus and intestinal perforation were determined to be statistically significant (P<0·05) by univariate analysis. Three models of logistic regression were able to determine three statistically significant factors that affected mortality: (1) tenesmus and a lymphocyte count <1·5×10(3) cell/µl; 2) depth of invasion beyond the mucosa and a lymphocyte count <1·5×10(3) cell/µl; 3) time spent with symptoms and perforation. CONCLUSIONS: The mortality rate determined in this study is similar to previously reported series. A low lymphocyte count, significant depth of invasion, and intestinal perforation were determined to be the factors related to increased mortality, while tenesmus and limited amount of time spent with symptoms were associated with survival. Quick diagnosis and appropriate treatment are important factors that reduce mortality.


Assuntos
Disenteria Amebiana/mortalidade , Disenteria Amebiana/patologia , Entamoeba histolytica/patogenicidade , Adolescente , Adulto , Idoso , Disenteria Amebiana/complicações , Disenteria Amebiana/imunologia , Feminino , Humanos , Perfuração Intestinal/diagnóstico , Perfuração Intestinal/mortalidade , Linfopenia/diagnóstico , Linfopenia/mortalidade , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Fatores de Risco , Análise de Sobrevida , Adulto Jovem
12.
Bol. méd. Hosp. Infant. Méx ; 58(9): 599-614, sept. 2001. tab, graf
Artigo em Espanhol | LILACS | ID: lil-309656

RESUMO

Introducción. Objetivos: analizar la tendencia en la mortalidad de niños hospitalizados y generar hipótesis sobre los factores que pudieran haberla modificado.Material y métodos. Se efectuó un estudio descriptivo sobre la mortalidad en el Hospital Infantil de México Federico Gómez (HIMFG) de 1943 a 1999. Se calculó la tasa de mortalidad en relación a los egresos y se determinó su tendencia en 50 años. Mediante una revisión de la bibliografía, se documentó la introducción de tecnologías médicas y terapéuticas que pudieron impactar la mortalidad.Resultados. Las tasas de mortalidad en el HIMFG han disminuido significativamente desde 1943, de 15.2 defunciones por 100 egresos en promedio durante la primera década, hasta 4.5 por 100 egresos en la última década. Las defunciones totales se redujeron de 11 441 hasta 2 575 en la última década, mientras que el número de egresos anuales se mantuvo constante entre 7 000 y 8 000 niños. La menor disminución en las tasas fue en neonatos (de 1 a 28 días), los cuales iniciaron la primera década con 51 defunciones por 100 egresos y terminaron en la última década con 30 defunciones por 100 egresos, aunado a que presentaron picos de mortalidad variados. Las principales causas de defunción mostraron cambios en su distribución a través del tiempo pasado, de enfermedades infecciosas y carenciales a enfermedades congénitas y cáncer.Conclusión. La mortalidad en niños hospitalizados durante los 56 años de operación de este hospital es un reflejo de la transición epidemiológica en México. Sin duda la ganancia en supervivencia de niños hospitalizados es una combinación de la mejoría en las condiciones sociales y la constante introducción de nuevas tecnologías diagnósticas y terapéuticas.


Assuntos
Humanos , Masculino , Feminino , Recém-Nascido , Lactente , Pré-Escolar , Adolescente , Mortalidade Hospitalar , Fatores Epidemiológicos , Transição Epidemiológica , Criança Hospitalizada/estatística & dados numéricos
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