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INTRODUCTION: Current literature does not dispose from a widely accepted definition of recovery in alcohol use disorder (AUD), and most proposals originate from anglophone countries. This study introduces a pioneering consensus in Spain on the definition of recovery in AUD. METHOD: The Delphi method was used. The expert panel, comprising 54 multidisciplinary professionals from the Community of Madrid. RESULTS: A high level of consensus (≥80% agreement) was reached for 45% of the items and majority (≥60%) for 84%. Recovery is understood as a dynamic, personalized, and voluntary process, potentially enduring throughout one's lifespan. It entails a transformative lifestyle shift aimed at achieving a significant improvement in overall quality of life, encompassing physical and mental health, interpersonal relationships, and environmental factors. The journey of recovery is marked by heightened psychological well-being, is characterized by empowerment, personal growth, existential purpose, and positive identity reconstruction. Recovery is supported by substance use management, requires proactive individual agency and involves both personal and societal responsibilities. CONCLUSIONS: This study represents a milestone as it is the first consensus in the Community of Madrid on the meaning of recovery in AUD. The proposed definition of recovery could be a potential reference for similar regions within Spain or even for other countries with cultural similarities. The elucidation of a clear framework of recovery provides a solid basis for future research efforts and clinical interventions in the Spanish AUD landscape.
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Alcoolismo , Técnica Delphi , Humanos , Espanha , Alcoolismo/reabilitação , Alcoolismo/psicologia , Consenso , Feminino , MasculinoRESUMO
Chronic kidney disease (CKD) is a growing global public health challenge worldwide. In Mexico, CKD prevalence is alarmingly high and remains a leading cause of morbidity and mortality. Diabetic kidney disease (DKD), a severe complication of diabetes, is a leading determinant of CKD. The escalating diabetes prevalence and the complex regional landscape in Mexico underscore the pressing need for tailored strategies to reduce the burden of CKD. This narrative review, endorsed by the Mexican College of Nephrologists, aims to provide a brief overview and specific strategies for healthcare providers regarding preventing, screening, and treating CKD in patients living with diabetes in all care settings. The key topics covered in this review include the main cardiometabolic contributors of DKD (overweight/obesity, hyperglycemia, arterial hypertension, and dyslipidemia), the identification of kidney-related damage markers, and the benefit of novel pharmacological approaches based on Sodium-Glucose Co-Transporter-2 Inhibitors (SGLT2i) and Glucagon-Like Peptide-1 Receptor Agonists (GLP-1 RA). We also address the potential use of novel therapies based on Mineralocorticoid Receptor Antagonists (MRAs) and their future implications. Emphasizing the importance of multidisciplinary treatment, this narrative review aims to promote strategies that may be useful to alleviate the burden of DKD and its associated complications. It underscores the critical role of healthcare providers and advocates for collaborative efforts to enhance the quality of life for millions of patients affected by DKD.
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Introducción: el embarazo causa adaptaciones en el riñón, tanto en anatomía como en función, para mantener el entorno extracelular, hemodinámico y hormonal. Sin embargo, estos pueden no llevarse a cabo de manera completamente óptima en presencia de enfermedad renal. El objetivo era estudiar la relación entre la enfermedad renal y los resultados maternos de fetal durante el embarazo, asociado con un rechazo por paciente y/o en relación con el tratamiento especializado. Material y métodos: estudio observacional y retrospectivo en una serie de casos, revisando 134 archivos de pacientes embarazadas con cierto grado de enfermedad renal antes del embarazo. Los resultados maternos registrados fueron: enfermedad hipertensiva durante el embarazo, deterioro renal agudo, necesidad de terapia de sustitución renal y en productos: prematuridad, restricción del crecimiento intrauterino, muerte fetal y aborto espontáneo. Resultados: Resultados maternos: tasa media de filtración glomerular (GFR) de 58.23 ml/min, aumento de peso de 7 kg; La preeclampsia fue diagnosticada en 92 mujeres (55 severas). 46 pacientes mostraron lesión renal aguda, 40 se resolvieron conservativamente; 1 requirió diálisis peritoneal y 15 hemodiálisis (con una decisión retrasada un promedio de un mes por rechazo por paciente y/o pariente). La resolución del embarazo fue por cesárea en 111 pacientes; Nacieron 116 productos antes de las 37 semanas de gestación, con un peso promedio de 1910 g, 94 mostraron restricción del crecimiento intrauterino. Conclusión: la enfermedad renal influyó directamente en el mayor número de resultados adversos maternos y fetales cuando se rechazó la atención médica especializada. Existe una correlación entre el ligero estado de Davison con los estados I, II y IIIA de Kdigo en el análisis de correspondencia
Introduction: Pregnancy causes adaptations in the kidney, both in anatomy and function, to maintain the extracellular, hemodynamic and hormonal environment. However, these may not be carried out completely optimally in the presence of kidney disease. The objective was to study the relation between kidney disease and maternal-fetal outcomes during pregnancy, associated with a rejection by patient and/or relative to specialized treatment. Material and Methods: Observational, retrospective study in a series of cases, reviewing 134 files of pregnant patients with some degree of kidney disease prior to pregnancy. Maternal outcomes recorded were: hypertensive disease during pregnancy, acute renal deterioration, need for renal substitution therapy, and in products: prematurity, restriction of intrauterine growth, fetal death and miscarriage. Results: Maternal outcomes: mean glomerular filtration rate (GFR) of 58.23ml/min, weight gain of 7 kg; preeclampsia was diagnosed in 92 women (55 severe). 46 patients showed acute renal lesion, 40 were conservatively resolved; 1 required peritoneal dialysis and 15 hemodialysis (with decision delayed an average of one month by rejection by patient and/or relative). Resolution of pregnancy was by cesarean in 111 patients; 116 products were born before 37 weeks of gestation, with average weight of 1910 g, 94 showed restriction of intrauterine growth. Conclusion: Kidney disease directly influenced the greater number of adverse maternal and fetal outcomes when specialized medical care was rejected. There is a correlation between slight Davison state with states I, II and IIIa of KDIGO in correspondence analysis.
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Humanos , Feminino , Gravidez , Pré-Eclâmpsia/patologia , Gravidez , Insuficiência Renal Crônica/patologia , Taxa de Filtração GlomerularRESUMO
BACKGROUND: Chemotherapy is one of the most widely used therapies for breast cancer, triggering important repercussions on people's quality of life. However, little research has been undertaken about podiatric adverse effects. This study aimed was to determine the prevalence of podiatric pathology developed in people with breast cancer who receive chemotherapy. METHODS: Observational, descriptive, and cross-sectional study was conducted in the Oncology service of the A Coruña University Hospital (northwest Spain). People with breast cancer and undergoing chemotherapy treatment of legal age (≥ 18), who signed the informed consent (n = 117) were included. Sociodemographic, comorbidity, disease and foot health variables, as well as two self-administered questionnaires (Foot Health Status Questionnaire and Foot Function Index) were studied. The current ethical-legal aspects were followed. RESULTS: Foot health problems were highly prevalent, highlighting nail color changes (59.8%), onychocryptosis (39.7%), xerosis (62.4%), plantar fasciitis (12.8%), and neuropathic symptoms (75.2%). Some foot pain was presented in 77.8% of the sample, predominantly at nail level (15.4%) or sole of the foot and nail (14.5%). Most participants described their foot health as fair or poor (56.4%) and felt limited in walking (65.8%). The lowest score for the Foot Health Status Questionnaire was footwear (30.6(33.5)). CONCLUSIONS: Foot health adverse effects represent worrisome problems in women with breast cancer undergoing chemotherapy, due to their high prevalence and negative implications on quality of life. These problems are critical as they may have implications for stopping or reducing chemotherapy. All these results call for the development of more research to contribute to the care and wellbeing of people with cancer who receive treatments such as chemotherapy. Thus, this line of research is a new path to be developed by the podiatry community.
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Neoplasias da Mama , Feminino , Humanos , Neoplasias da Mama/tratamento farmacológico , Estudos Transversais , Pé , Nível de Saúde , Qualidade de Vida , Adolescente , AdultoRESUMO
BACKGROUND: Chemotherapy-induced peripheral neuropathy is a multidimensional health problem. Up to now, little evidence has been found concerning its impact on quality of life and foot health. Evaluation tools and prevention and treatment strategies must be reported. This study aimed to map the literature on the impact of this side effect on the wellbeing and foot health of people with breast cancer and to describe their main assessment strategies and complementary therapies. METHODS: A scoping review was carried out while following the PRISMA-ScR and Arksey and O'Malley guidelines. Different databases (Cochrane Plus, Scopus, Web of Science, and Pubmed) were used. A total of 221 results were identified. Sixteen articles were included. RESULTS: The thematic analysis obtained the following categories: the impact of peripheral neuropathy on quality of life and foot health, complementary therapies as a path for new strategies, and the need for clinicians and researchers to get involved in researching this side effect. CONCLUSIONS: Peripheral neuropathy has a negative impact on people's quality of life. Implications for foot health and maintaining an active and healthy lifestyle have not been previously reported. Complementary therapies are recommended by scientific evidence, highlighting exercise. However, there is a need to develop more research that will help to incorporate them into evidence-based practice.
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Gasdermin (GSDM)-mediated pyroptosis is functionally involved in multiple diseases, but Gasdermin-B (GSDMB) exhibit cell death-dependent and independent activities in several pathologies including cancer. When the GSDMB pore-forming N-terminal domain is released by Granzyme-A cleavage, it provokes cancer cell death, but uncleaved GSDMB promotes multiple pro-tumoral effects (invasion, metastasis, and drug resistance). To uncover the mechanisms of GSDMB pyroptosis, here we determined the GSDMB regions essential for cell death and described for the first time a differential role of the four translated GSDMB isoforms (GSDMB1-4, that differ in the alternative usage of exons 6-7) in this process. Accordingly, we here prove that exon 6 translation is essential for GSDMB mediated pyroptosis, and therefore, GSDMB isoforms lacking this exon (GSDMB1-2) cannot provoke cancer cell death. Consistently, in breast carcinomas the expression of GSDMB2, and not exon 6-containing variants (GSDMB3-4), associates with unfavourable clinical-pathological parameters. Mechanistically, we show that GSDMB N-terminal constructs containing exon-6 provoke cell membrane lysis and a concomitant mitochondrial damage. Moreover, we have identified specific residues within exon 6 and other regions of the N-terminal domain that are important for GSDMB-triggered cell death as well as for mitochondrial impairment. Additionally, we demonstrated that GSDMB cleavage by specific proteases (Granzyme-A, Neutrophil Elastase and caspases) have different effects on pyroptosis regulation. Thus, immunocyte-derived Granzyme-A can cleave all GSDMB isoforms, but in only those containing exon 6, this processing results in pyroptosis induction. By contrast, the cleavage of GSDMB isoforms by Neutrophil Elastase or caspases produces short N-terminal fragments with no cytotoxic activity, thus suggesting that these proteases act as inhibitory mechanisms of pyroptosis. Summarizing, our results have important implications for understanding the complex roles of GSDMB isoforms in cancer or other pathologies and for the future design of GSDMB-targeted therapies.
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Neoplasias da Mama , Piroptose , Humanos , Feminino , Granzimas/genética , Granzimas/metabolismo , Peptídeo Hidrolases/metabolismo , Elastase de Leucócito/metabolismo , Gasderminas , Proteínas de Neoplasias/metabolismo , Caspases/metabolismo , Isoformas de Proteínas/genética , Isoformas de Proteínas/metabolismo , Neoplasias da Mama/genética , Proteínas Citotóxicas Formadoras de Poros/metabolismoRESUMO
Gasdermins (GSDM) genes play complex roles in inflammatory diseases and cancer. Gasdermin-B (GSDMB) is frequently upregulated in human cancers, especially in HER2-amplified breast carcinomas, and can promote diverse pro-tumor functions (invasion, metastasis, therapy-resistance). In particular, the GSDMB shortest translated variant (isoform 2; GSDMB2) increases aggressive behavior in breast cancer cells. Paradoxically, GSDMB can also have tumor suppressor (cell death induction) effects in specific biological contexts. However, whether GSDMB has inherent oncogenic, or tumor suppressor function in vivo has not been demonstrated yet in preclinical mouse models, since mice lack GSDMB orthologue. Therefore, to decipher GSDMB cancer functions in vivo we first generated a novel knock-in mouse model (R26-GB2) ubiquitously expressing human GSDMB2. The comprehensive histopathological analysis of multiple tissues from 75 animals showed that nucleus-cytoplasmic GSDMB2 expression did not clearly affect the overall frequency nor the histology of spontaneous neoplasias (mostly lung carcinomas), but associated with reduced incidence of gastric tumors, compared to wildtype animals. Next, to assess specifically the GSDMB2 roles in breast cancer, we generated two additional double transgenic mouse models, that co-express GSDMB2 with either the HER2/NEU oncogene (R26-GB2/MMTV-NEU mice) or the Polyoma middle-T antigen (R26-GB2/MMTV-PyMT) in breast tumors. Consistent with the pro-tumor effect of GSDMB in HER2+ human breast carcinomas, R26-GB2/MMTV-NEU GSDMB2-positive mice have double breast cancer incidence than wildtype animals. By contrast, in the R26-GB2/MMTV-PyMT model of fast growing and highly metastatic mammary tumors, GSDMB2 expression did not significantly influence cancer development nor metastatic potential. In conclusion, our data prove that GSDMB2 in vivo pro-tumor effect is evidenced only in specific biological contexts (in concert with the HER2 oncogene), while GSDMB2 alone does not have overall intrinsic oncogenic potential in genetically modified mice. Our novel models are useful to identify the precise stimuli and molecular mechanisms governing GSDMB functions in neoplasias and can be the basis for the future development of additional tissue-specific and context-dependent cancer models.
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Lung transplantation requires optimization of donor's organ use through ex vivo lung perfusion (EVLP) to avoid primary graft dysfunction. Biomarkers can aid in organ selection by providing early evidence of suboptimal lungs during EVLP and thus avoid high-risk transplantations. However, predictive biomarkers of pulmonary graft function such as endothelin-converting enzyme (ECE-1) and vascular endothelial growth factor (VEGF) have not been described under EVLP with standard prolonged hypothermic preservation, which are relevant in situations where lung procurement is difficult or far from the transplantation site. Therefore, this study is aimed at quantifying ECE-1 and VEGF, as well as determining their association with hemodynamic, gasometric, and mechanical ventilatory parameters in a swine model of EVLP with standard prolonged hypothermic preservation. Using a protocol with either immediate (I-) or delayed (D-) initiation of EVLP, ECE-1 levels over time were found to remain constant in both study groups (p > 0.05 RM-ANOVA), while the VEGF protein was higher after prolonged preservation, but it decreased throughout EVLP (p > 0.05 RM-ANOVA). Likewise, hemodynamic, gasometric, mechanical ventilatory, and histological parameters had a tendency to better results after 12 hours of hypothermic preservation in the delayed infusion group.
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Enzimas Conversoras de Endotelina/análise , Circulação Extracorpórea/métodos , Hipotermia Induzida , Fator A de Crescimento do Endotélio Vascular/análise , Animais , Biomarcadores/análise , Hipotermia Induzida/métodos , Pulmão/fisiologia , Pulmão/cirurgia , Transplante de Pulmão , Preservação de Órgãos/métodos , Suínos , Fatores de TempoRESUMO
Resumen Introducción: Las alteraciones secundarias a la enfermedad renal crónica (ERC), como inflamación sistémica, anemia y sobrecarga hídrica, son un sustrato importante para el desarrollo de hipertensión arterial pulmonar. Objetivo: Valorar la relación de la presión sistólica de la arteria pulmonar (PSAP) por ecocardiograma con el tiempo y el tipo de terapia de reemplazo renal (TRR) en pacientes con ERC. Método: Estudio observacional, retrospectivo, llevado a cabo en el Hospital de Especialidades del Centro Médico Nacional La Raza, en el que se analizaron medidas de tendencia central y medidas de dispersión. Para comparar porcentajes se utilizó la prueba de χ2 con el programa estadístico SPSS 25. Resultados: Se incluyeron 141 pacientes con ERC en TRR con diálisis peritoneal o hemodiálisis. Se clasificaron de acuerdo con la PSAP en normal (30 pacientes, 21.28%), leve (43 pacientes, 30.5%), moderada (16 pacientes, 12%) y grave (52 pacientes, 36.88%). El tiempo de TRR está relacionado con una PSAP mayor, con 3.53 años en caso de PSAP normal, 5.51 años en caso de PSAP leve, 6.00 años para la PSAP moderada y 6.38 años para la PSAP grave. La PSAP grave se presentó en 13 de 56 pacientes en diálisis peritoneal y en 39 de 85 en hemodiálisis (p = 0.034). Conclusiones: Se encontró que existe relación entre la PSAP con el tiempo y el tipo de sustitución renal en pacientes con ERC.
Abstract Introduction: The disorders secondary to chronic kidney disease (CKD), such as systemic inflammation, anemia, and fluid overload are an important substrate for the development of pulmonary arterial hypertension. Objective: To assess the relationship between pulmonary artery systolic pressure (PASP) on echocardiogram and the duration and type of renal replacement therapy (RRT) in patients with CKD. Method: A retrospective observational study at Hospital de Especialidades del Centro Médico Nacional La Raza. The analysis was performed using measures of central tendency and dispersion. Chi square was used to compare percentages through the SPSS 25 statistical program. Results: A total of 141 patients with CKD on RRT with peritoneal dialysis or hemodialysis were included. They were classified according to PASP as normal (30 patients, 21.28%), mild (43 patients, 30.5%), moderate (16 patients, 12%) and severe (52 patients, 36.88%). The duration of RRT is related to a higher PASP, with 3.53 years for a normal PASP, 5.51 years for mild PASP, 6.00 years for moderate PASP, and 6.38 for those with severe PASP. Severe PASP occurred in 13 of 56 patients on peritoneal dialysis and 39 of 85 patients on hemodialysis (p = 0.034). Conclusions: This study found a relationship between PASP and the duration and type of renal replacement in patients with CKD.
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OBJECTIVES: The biochemical conditions in which patients arrive before renal transplantation (RT) are rarely evaluated; examples of them are found in the Dialysis Outcomes and Practice Patterns Study (DOPPS). The objective of our study was to ascertain the fulfillment of biochemical goals for patients on renal replacement therapy before RT. MATERIAL AND METHODS: Observational, retrospective study of patients who were on a RT protocol between 2012 and 2017 in 2 RT centers in Mexico. The records of 1188 patients with a history of RT and their lab results before transplantation were analyzed. Anthropometric values including hemoglobin, iron levels, calcium, phosphorus, parathyroid hormone, urea, creatinine, uric acid, and left ventricular ejection fraction were studied. All values were categorized as low, optimal, or high levels. RESULTS: The fulfillment of pretransplant biochemical objectives for elimination of azotemia (urea and creatinine) was achieved in 60% of the patients. Optimal values for calcium were found in 715 (64%) patients and optimal values for albumin were found in 690 (61.8%) patients. In the case of phosphorus, hemoglobin, uric acid, and parathyroid hormone, the optimal values were below 50%. CONCLUSIONS: It is essential to improve compliance with biochemical and clinical objectives for patients on renal replacement therapy (dialysis, hemodialysis) before RT. Only half of the variables were within the optimal range before surgical intervention took place.
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Fidelidade a Diretrizes/estatística & dados numéricos , Transplante de Rim , Cooperação do Paciente/estatística & dados numéricos , Adulto , Feminino , Humanos , Masculino , México , Pessoa de Meia-Idade , Diálise Renal , Estudos RetrospectivosRESUMO
BACKGROUND: Transplantation depends on a donation from a living or deceased donor, with the latter ideally involving a multiorgan transplant. The objective of this study was to determine the factors that influence the attitudes of the population in Mexico toward being a donor. METHODS: We conducted an observational, cross-sectional study with a survey on the attitudes toward donation in the population of Mexico. The survey had 33 items on it regarding sociodemographic aspects and people's positions on the issues of organ and tissue donation. We used central tendency and dispersion averages and calculated the difference between groups using chi squares or the Student t test. We also used the statistical program SPSS version 25. RESULTS: The perception of respondents regarding organ and tissue donation (with 1064 people or 65.1% in favor) points to a lack of knowledge in Mexico. People do not talk about organ donation with their relatives and especially do not discuss their wishes in case of death (only 660 people indicated they had or 40.4%). There is a better attitude toward donation among younger respondents, women, single people, health personnel, people with higher incomes, Catholics, and those who do not have a hospitalized family member. CONCLUSIONS: It is necessary to provide more information about organ donation to people in Mexico. The opinion toward donation is generally favorable; however, there are multiple factors that influence opinions. Family members of patients in intensive care are the least willing to donate themselves or donate a relative's organs.
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Atitude Frente a Saúde , Transplante de Órgãos/psicologia , Doadores de Tecidos/psicologia , Adulto , Atitude Frente a Saúde/etnologia , Estudos Transversais , Família , Feminino , Pessoal de Saúde , Humanos , Masculino , México , Pessoa de Meia-Idade , Inquéritos e QuestionáriosRESUMO
During heart regeneration in the zebrafish, fibrotic tissue is replaced by newly formed cardiomyocytes derived from preexisting ones. It is unclear whether the heart is composed of several cardiomyocyte populations bearing different capacity to replace lost myocardium. Here, using sox10 genetic fate mapping, we identify a subset of preexistent cardiomyocytes in the adult zebrafish heart with a distinct gene expression profile that expanded after cryoinjury. Genetic ablation of sox10+ cardiomyocytes impairs cardiac regeneration, revealing that these cells play a role in heart regeneration.
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Miócitos Cardíacos/metabolismo , Regeneração , Fatores de Transcrição SOXE/metabolismo , Proteínas de Peixe-Zebra/metabolismo , Animais , Proliferação de Células , Células Cultivadas , Coração/fisiologia , Miócitos Cardíacos/fisiologia , Fatores de Transcrição SOXE/genética , Peixe-Zebra , Proteínas de Peixe-Zebra/genéticaRESUMO
INTRODUCTION: Chronic kidney disease accounts for part of overall health expenditure; a potential etiology is related to variations, absence or presence of some human leukocyte antigen (HLA) alleles. METHOD: An analysis of HLA reports of 1965 kidney recipients with no determined etiology, and 1361 kidney donors was performed. It was carried out with Luminex based in cell flow fluorometry for the A, B, DRB1 and DQA loci. An analysis was performed with contingency tables in order to determine the odds ratio (OR) and confidence intervals (CI). Quantitative analysis was also carried out. RESULTS: Of the 101 alleles found, 13 showed association, 7 with risk for chronic kidney disease, with the most significant being HLA-DR17 with an OR of 3.91 (95 % CI = 2.96-5.17) and the one with the highest significance for protection being HLA-DR9, with an OR of 0.043 (95 % CI = 0.005-0.3224). CONCLUSIONS: It is necessary to understand that kidney diseases can be associated with yet unknown immune processes, where the association of the absence or presence of any allele should be known.
INTRODUCCIÓN: La enfermedad renal crónica representa parte del gasto en salud en general; una potencial etiología es la relacionada con variaciones, ausencia o presencia de algunos alelos del human leucocyte antigen (HLA). MÉTODO: Se realizó el análisis de 1965 reportes de HLA sin etiología determinada y de 1361 donadores renales. Se llevó a cabo tecnología Luminex con base en fluorimetría de flujo celular para los locus A, B, DRB1 y DQA. Se realizó análisis con tablas de contingencia para determinar razón de momios (RM) e intervalos de confianza (IC). Se efectuó análisis cuantitativo. RESULTADOS: De 101 alelos encontrados, 13 presentaron asociación, siete con riesgo para enfermedad renal crónica, de los cuales el más significativo fue HLA-DR17, con RM = 3.91 (IC 95 % = 2.96-5.17), y el de mayor significación de protección fue HLA-DR9, con RM = 0.043 (IC 95 % = 0.005-0.3224). CONCLUSIONES: Es necesario entender que las enfermedades renales pueden estar ligadas a procesos inmunológicos, en los que se tiene que conocer la asociación de la ausencia o presencia de algún alelo.
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Antígenos HLA/genética , Insuficiência Renal Crônica/genética , Doadores de Tecidos , Transplantados , Alelos , Estudos de Coortes , Fluorometria , Humanos , Transplante de Rim/métodos , Fatores de Proteção , Insuficiência Renal Crônica/cirurgia , Estudos Retrospectivos , Fatores de RiscoRESUMO
Currently, uterus transplantation (UTx) is a clinical option for infertile women. Over the past three decades, treating benign or malignant gynecological diseases with minimally invasive gynecological surgery has improved, providing significant advantages over conventional open surgery. This study addresses the method used for laparoscopic live-donor ovariohysterectomy and graft harvest from a sheep model. Using a microsurgical practice, ten grafts were autotransplanted after uterine perfusion. End-to-end anastomosis techniques were used to approximate veins and arteries. Follow-ups were carried out 2-months after surgery and postoperative studies included ultrasound scan, diagnostic hysteroscopy, vascular angiography, and exploratory laparoscopy. All transplants were completed without complications. After vascular anastomosis, total reperfusion of the tissue was accomplished in all animals without confirmation of arterial or venous thrombosis. Angiographic explorations did not show any statistically significant dissimilarity in the arterial diameters between the different examination times. 3-months after uterine transplantation all animals underwent assisted reproduction techniques. Patent uterine arteries were observed 4, 8 and 12 months after the transplant. 6-months after transplantation, six sheep (60%) became pregnant with assisted reproduction practices. We noticed an increase in the degree of fibrosis of the cervix samples in non-pregnant animals of the transplant group. Laparoscopic surgery can be an advantageous approach for the uterus retrieval procedure during uterine transplantation. However, larger sample sized reports are needed in order to accomplish validation, standardization and wider use of this route.
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Histerectomia/métodos , Infertilidade Feminina/terapia , Laparoscopia/métodos , Coleta de Tecidos e Órgãos/métodos , Útero/transplante , Animais , Estudos de Viabilidade , Feminino , Fibrose , Humanos , Laparoscopia/efeitos adversos , Doadores Vivos , Modelos Animais , Preservação de Órgãos/efeitos adversos , Preservação de Órgãos/métodos , Perfusão/efeitos adversos , Perfusão/métodos , Gravidez , Técnicas de Reprodução Assistida , Ovinos , Coleta de Tecidos e Órgãos/efeitos adversos , Transplante Autólogo/efeitos adversos , Transplante Autólogo/métodos , Útero/patologiaRESUMO
Resumen Introducción: La enfermedad renal crónica representa parte del gasto en salud en general; una potencial etiología es la relacionada con variaciones, ausencia o presencia de algunos alelos del human leucocyte antigen (HLA). Método: Se realizó el análisis de 1965 reportes de HLA sin etiología determinada y de 1361 donadores renales. Se llevó a cabo tecnología Luminex con base en fluorimetría de flujo celular para los locus A, B, DRB1 y DQA. Se realizó análisis con tablas de contingencia para determinar razón de momios (RM) e intervalos de confianza (IC). Se efectuó análisis cuantitativo. Resultados: De 101 alelos encontrados, 13 presentaron asociación, siete con riesgo para enfermedad renal crónica, de los cuales el más significativo fue HLA-DR17, con RM = 3.91 (IC 95 % = 2.96-5.17), y el de mayor significación de protección fue HLA-DR9, con RM = 0.043 (IC 95 % = 0.005-0.3224). Conclusiones: Es necesario entender que las enfermedades renales pueden estar ligadas a procesos inmunológicos, en los que se tiene que conocer la asociación de la ausencia o presencia de algún alelo.
Abstract Introduction: Chronic kidney disease accounts for part of overall health expenditure; a potential etiology is related to variations, absence or presence of some human leukocyte antigen (HLA) alleles. Method: An analysis of HLA reports of 1965 kidney recipients with no determined etiology, and 1361 kidney donors was performed. It was carried out with Luminex based in cell flow fluorometry for the A, B, DRB1 and DQA loci. An analysis was performed with contingency tables in order to determine the odds ratio (OR) and confidence intervals (CI). Quantitative analysis was also carried out. Results: Of the 101 alleles found, 13 showed association, 7 with risk for chronic kidney disease, with the most significant being HLA-DR17 with an OR of 3.91 (95 % CI = 2.96-5.17) and the one with the highest significance for protection being HLA-DR9, with an OR of 0.043 (95 % CI = 0.005-0.3224). Conclusions: It is necessary to understand that kidney diseases can be associated with yet unknown immune processes, where the association of the absence or presence of any allele should be known.
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Humanos , Doadores de Tecidos , Insuficiência Renal Crônica/genética , Transplantados , Antígenos HLA/genética , Estudos Retrospectivos , Fatores de Risco , Estudos de Coortes , Transplante de Rim/métodos , Alelos , Insuficiência Renal Crônica/cirurgia , Fatores de Proteção , FluorometriaRESUMO
BACKGROUND: Chronic kidney disease (CKD) is associated with reduction of fertility and increased complications during pregnancy. The aim of this work is to analyze the clinical outcomes and risk factors in pregnant women who needed to start dialysis with different schedules in a public hospital in Mexico City, with particular attention on the interference of social and cultural elements as well as resource limitations. MATERIAL AND METHODS: CKD women who needed dialysis in pregnancy over the period 2002â»2014 and had with complete demographic and outcome data were included in this retrospective study. Clinical background, renal function during pregnancy, dialysis schedule, and clinical outcomes were reviewed. RESULTS: Forty pregnancies in women with CKD who needed dialysis in pregnancy (39 singleton and one twin pregnancy) were studied: All patients were treated with hemodialysis. Thirty-nine patients had CKD stages 4 or 5 at referral; only one patient was of stage 3b. Dialysis was considered as indicated in the presence of fluid overload, unresponsive hypertension in the setting of advanced CKD, or when blood urea nitrogen values were increased to around 50 mg/dL. However, the initiation of dialysis was often delayed by days or weeks. The main reason for delaying the initiation of dialysis was patient (and family) refusal to start treatment. All patients were treated with thrice weekly dialysis, in 3â»5 hour sessions, with a target urea of <100 mg/dL. The number of hours on dialysis did not impact pregnancy outcomes. Ten pregnancies ended in miscarriages (8 spontaneous), 29 in pre-term delivery, and 1 in term delivery. Fifteen women were diagnosed with preeclampsia, one with eclampsia, and one with HELLP (hemolysis, elevated liver enzymes, low platelets,) syndrome. Twenty-four of the neonates survived (77.4% of live births); six singletons and one twin died as a consequence of prematurity. Two neonates displayed malformations: cleft palate with ear anomalies and duodenal atresia. CONCLUSIONS: CKD requiring hemodialysis in pregnancy is associated with a high frequency of complications; in the setting of delayed start and of thrice-weekly hemodialysis, dialysis schedules do not appear to influence outcomes.
RESUMO
Bacteria are often found in close association with surfaces, resulting in the formation of biofilms. In Staphylococcus aureus (S. aureus), biofilms are implicated in the resilience of chronic infections, presenting a serious clinical problem world-wide. Here, S. aureus biofilms are grown under flow within clinical catheters at 37⯰C. The lipid composition and biophysical properties of lipid extracts from these biofilms are compared with those from exponential growth and stationary phase cells. Biofilms show a reduction in iso and anteiso branching compensated by an increase in saturated fatty acids compared to stationary phase. A drastic reduction in carotenoid levels is also observed during biofilm formation. Thermotropic measurements of Laurdan GP and DPH polarization, show a reduction of lipid packing at 37⯰C for biofilms compared to stationary phase. We studied the effects of carotenoid content on DMPG and DPPG model membranes showing trends in thermotropic behavior consistent with those observed in bacterial isolates, indicating that carotenoids participate in modulating lipid packing. Additionally, bending elastic constant (kc) measurements using vesicle fluctuation analysis (VFA) show that the presence of carotenoids can increase membrane bending rigidity. The antimicrobial peptide Magainin H2 was less activity on liposomes composed of stationary phase compared to biofilms or exponential growth isolates. This study contributes to an understanding of how Staphylococcus aureus modulates the composition of its membrane lipids, and how those changes affect the biophysical properties of membranes, which in turn may play a role in its virulence and its resistance to different membrane-active antimicrobial agents.
Assuntos
Biofilmes/crescimento & desenvolvimento , Carotenoides/metabolismo , Fosfatidilgliceróis/metabolismo , Staphylococcus aureus/metabolismo , Antibacterianos/química , Antibacterianos/farmacologia , Peptídeos Catiônicos Antimicrobianos/química , Peptídeos Catiônicos Antimicrobianos/farmacologia , Biofilmes/efeitos dos fármacos , Carotenoides/química , Testes de Sensibilidade Microbiana , Tamanho da Partícula , Fosfatidilgliceróis/química , Staphylococcus aureus/química , Staphylococcus aureus/efeitos dos fármacos , Staphylococcus aureus/isolamento & purificação , Propriedades de Superfície , TemperaturaRESUMO
BACKGROUND: Kidney transplantation is the therapy of choice for patients with chronic renal failure. In Mexico, good short-term results have been reported for graft survival, which is why it was carried out a study in a third level center in Mexico City to broaden these results. OBJECTIVE: To identify long-term results of patient and graft survival. MATERIAL AND METHODS: Retrospective study with first 1600 kidney transplants performed at the Hospital de Especialidades (Specialties Hospital) "Dr. Antonio Fraga Mouret" from La Raza National Medical Center. Patient and graft survival was analyzed at 1, 3, 5, 7 and 10 years. Kaplan Meier survival analysis and log rank test were performed. RESULTS: Between October 1979 and May 2015, 1600 kidney transplants were performed (1473 [92.1%] of living donor and 127 [7.9%] of deceased donor). Graft survival censored for death with functional graft at 1, 3, 5, 7 and 10 years was 95.4, 91.7, 88.2, 86.6 and 85.5%, respectively. Patient survival was 92.7, 90.4, 89.7, 89.4, and 88.9% at 1, 3, 5, 7 and 10 years, respectively. CONCLUSIONS: Long-term patient and graft survival in our center is similar to that reported by other centers at an international level.
INTRODUCCIÓN: el trasplante renal es la terapia de elección en pacientes con insuficiencia renal crónica. En México se reportan buenos resultados a corto plazo, por lo que se realizó un estudio en un centro de tercer nivel de la Ciudad de México para ampliar estos resultados. OBJETIVO: conocer los resultados en supervivencia del paciente e injerto a largo plazo. MATERIAL Y MÉTODOS: estudio retrospectivo con los primeros 1600 trasplantes renales realizados en el Hospital de Especialidades "Dr. Antonio Fraga Mouret" del Centro Médico Nacional La Raza. Se analizó la sobrevida de paciente e injerto a los 1, 3, 5, 7 y 10 años. Se utilizó análisis de supervivencia de Kaplan Meier y prueba de log rank. RESULTADOS: entre octubre de 1979 y mayo de 2015 se realizaron 1600 trasplantes renales (1473 [92.1%] de donante vivo y 127 [7.9%] de donante fallecido). La supervivencia del injerto censurada para muerte con injerto funcional a 1, 3, 5, 7 y 10 años fue de 95.4, 91.7, 88.2, 86.6 y 85.5%, respectivamente, en tanto que la supervivencia del paciente fue de 92.7, 90.4, 89.7, 89.4 y 88.9% a los 1, 3, 5, 7 y 10 años, respectivamente. CONCLUSIONES: la sobrevida de paciente e injerto a largo plazo en este centro es similar a lo reportado en otros centros a nivel internacional.
Assuntos
Sobrevivência de Enxerto , Falência Renal Crônica/cirurgia , Transplante de Rim/mortalidade , Transplantados , Adulto , Feminino , Humanos , Estimativa de Kaplan-Meier , Falência Renal Crônica/etiologia , Transplante de Rim/estatística & dados numéricos , Doadores Vivos/estatística & dados numéricos , Masculino , México , Estudos Retrospectivos , Estatísticas não Paramétricas , Centros de Atenção Terciária/estatística & dados numéricos , Fatores de Tempo , Transplantados/estatística & dados numéricosRESUMO
Background: Kidney transplantation presents a susceptible point, and is related to infections; tuberculosis is a common and endemic etiology in a country like Mexico, where the most frequent presentation is the respiratory condition, the extrapulmonary is extremely rare and it is derived from immunosuppression conditions. Case report: 33-year-old man with kidney disease of undetermined etiology, kidney transplant in 2003 (donor mother) with adequate evolution; presented with chronic graft nephropathy, with baseline creatinine of 1.8 mg / dL, immunosuppression with prednisone 10 mg every 24 hours, mycophenolate mofetil 500 mg every 8 hours and ciclosporin 100 mg every 12 hours; surgical intervention was performed due to acute abdomen, appendectomy and omentectomy with histopathological finding of tuberculosis, Dotbal, antiproliferative in suspension was started and decrease of calcineurin inhibitor. Adequate kidney function was recovered and maintained as well as control of the infectious disease during the maintenance period. Conclusions: The management of immunosuppression is vital to find the right dose to avoid rejection and allow an immune response to infection, together with antimicrobial treatment.
Introducción: el trasplante renal presenta un punto susceptible y está relacionado con las infecciones; siendo la tuberculosis una etiología común y más en un país endémico como lo es México, siendo la forma de presentación más frecuente la afección respiratoria, lo extrapulmonar es sumamente raro derivado de condiciones de inmunosupresión. Caso clínico: hombre de 33 años de edad, con enfermedad renal de etiología no determinada, trasplantado renal en el año 2003 (madre donadora) con adecuada evolución; se presentó con nefropatía crónica del injerto, con creatinina basal de 1.8 mg/dL, inmunosupresión con prednisona 10 mg cada 24 horas, micofenolato de mofetilo 500 mg cada 8 horas y ciclosporina 100 mg cada 12 horas; se intervino quirúrgicamente por cuadro de abdomen agudo, se realizó apendicetomía y omentectomía con hallazgo histopatológico de tuberculosis, se inició Dotbal, antiproliferativo en suspensión y disminución del inhibidor de calcineurina. Se recuperó y mantuvo adecuada función renal y control del cuadro infeccioso, en periodo de mantenimiento. Conclusiones: el manejo de la inmunosupresión es vital para encontrar la dosis adecuada evitando rechazo, así como permitir una respuesta inmunológica ante la infección, junto con el tratamiento antimicrobiano.