Placental levels of essential and non-essential trace element in relation to neonatal weight in Northwestern Spain: application of generalized additive models.

Adequate gestational progression depends to a great extent on placental development, which can modify maternal and neonatal outcomes. Any environmental toxicant, including metals, with the capacity to affect the placenta can alter the development of the pregnancy and its outcome. The objective of this study was to correlate the placenta levels of 14 essential and non-essential elements with neonatal weight. We examined relationships between placental concentrations of arsenic, cadmium, cobalt, copper, mercury, lithium, manganese, molybdenum, nickel, lead, rubidium, selenium, strontium, and zinc from 79 low obstetric risk pregnant women in Ourense (Northwestern Spain, 42°20'12.1″N 7°51.844'O) with neonatal weight. We tested associations between placental metal concentrations and neonatal weight by conducting multivariable linear regressions using generalized linear models (GLM) and generalized additive models (GAM). While placental Co (p = 0.03) and Sr (p = 0.048) concentrations were associated with higher neonatal weight, concentrations of Li (p = 0.027), Mo (p = 0.049), and Se (p = 0.02) in the placenta were associated with lower newborn weight. Our findings suggest that the concentration of some metals in the placenta may affect fetal growth.

Prediction of insulin therapy in women with gestational diabetes: a systematic review and meta-analysis of observational studies.

OBJECTIVES: To identify antenatal risk factors that may predict the need for insulin treatment upon diagnosis of gestational diabetes (GDM), that is, to identify the specific characteristics of women diagnosed with GDM who did not achieve good glycemic control through lifestyle modifications. METHODS: We performed a comprehensive literature search in PubMed, Science Direct, Ebsco, and Scielo for studies evaluating the associations between antenatal factors and the need for insulin treatment published until January 28th, 2021. Random-effects models were used to estimate risk ratios and their 95% confidence interval. The quality of studies was assessed using the Newcastle-Ottawa Scale. Random-effects models were used to estimate outcomes, and effects reported as risk ratio and their 95% confidence interval. The systematic review and meta-analysis were registered in the International Prospective Register of Systematic Reviews. RESULTS: Eighteen observational studies were selected, reporting 14,951 women with GDM of whom 5,371 received insulin treatment. There were statistically significant associations between the need for insulin treatment and BMI ≥ 30 (RR:2.2; 95%CI: 1.44-3.41), family history of type 2 diabetes mellitus (RR:1.74; 95%CI: 1.56-1.93), prior personal history of GDM (RR:2.10; 95%CI: 1.56-2.82), glycated hemoglobin value at GDM diagnosis (RR:2.12; 95%CI: 1.77-2.54), and basal glycemia obtained in the diagnostic curve (RR: 1.2; 95%CI: 1.12-1.28). Nulliparity and maternal age were not determinants factor. There was moderate-to-high heterogeneity among the included studies. CONCLUSIONS: the strong causal association between BMI ≥ 30, family history of type 2 diabetes mellitus, prior history of GDM and glycosylated hemoglobin with the need for insulin treatment was revealed.

Análisis del cáncer de endometrio en un hospital universitario de Ourense, España / Analysis of endometrial cancer in a university hospital in Ourense, Spain

Resumen OBJETIVO: Describir, de forma retrospectiva, el comportamiento del cáncer de endometrio en pacientes diagnosticadas en el Complexo Hospitalario Universitario de Ourense MATERIALES Y MÉTODOS: Estudio descriptivo, observacional y retrospectivo efectuado en el Complexo Hospitalario Universitario de Ourense entre septiembre de 2014 y enero de 2018. Criterio de inclusión: diagnóstico, tratamiento y seguimiento en nuestro centro. Criterio de exclusión: historia incompleta y diagnóstico o tratamiento en otro centro. Variables de estudio: tipo de tumor y de tratamiento. Se realizó un análisis descriptivo. Las posibles asociaciones se comprobaron mediante χ2, Fisher, t de Student y prueba de Mann-Whitney. RESULTADOS: Se estudiaron 149 pacientes, con edad media al diagnóstico de 69.38 años ± 9.6 años. El 86.6% (n = 129) de las pacientes estaban en la posmenopausia. El 68% (n = 101) eran obesas y el 54.7% (n = 81) hipertensas. El 54.7% (n = 81) se diagnosticaron en estadio IA. El 68.4% de los tumores grado 3 tuvieron infiltración miometrial mayor al 50%, el 28.6% grado 1 (p < 0.001). De las pacientes que recibieron radioterapia o braquiterapia el 46% estaba en estadios avanzados; 76% en estadio IB, 26% en estadio IA (p < 0.001). El 91.3% de los tumores estadio I fueron tipo I, en los estadios avanzados hubo 48.6% de tumores tipo I (p < 0.001). El 87.4% de los tumores grados 1 o 2 se encontraron en estadio I, un 45.2% de los tumores grado 3 en estadio I (p < 0.001). CONCLUSIONES: La mayoría de las pacientes tenía más de 60 años y eran diabéticas, hipertensas y obesas. El cáncer de endometrio suele diagnosticarse en estadios tempranos. La braquiterapia es la coadyuvancia más indicada.

Abstract OBJECTIVE: To retrospectively describe the behavior of endometrial cancer in patients diagnosed at the Complexo Hospitalario Universitario de Ourense. MATERIALS AND METHODS: Descriptive, observational and retrospective study in the Complexo Hospitalario Universitario de Ourense between September 2014 and January 2018. Inclusion criteria: diagnosis, treatment and follow-up in our center. Exclusion criteria: incomplete history and diagnosis or management in another center. Patient, tumor and treatment variables were collected. A descriptive analysis was performed. Possible associations were tested by Chi-square, Fisher, Student's t-test and Mann-Whitney test. RESULTS: 149 patients were studied, with mean age at diagnosis of 69.38 years ± 9.6 years. 86.6% (n = 129) of the patients were postmenopausal. 68% (n = 101) were obese and 54.7% (n = 81) hypertensive. 54.7% (n = 81) were diagnosed at stage IA. 68.4% of grade 3 tumors had myometrial infiltration greater than 50%, 28.6% grade 1 (p < 0.001). Of the patients who received radiotherapy or brachytherapy 46% were advanced stage; 76% stage IB, 26% stage IA (p < 0.001). 91.3% of stage I tumors were type I, in advanced stages there were 48.6% of type I tumors (p < 0.001). 87.4% of grade 1 or 2 tumors were stage I, 45.2% of grade 3 tumors were stage I (p < 0.001). CONCLUSIONS: Most patients were older than 60 years and were diabetic, hypertensive and obese. Endometrial cancer is usually diagnosed at early stages. Brachytherapy is the most indicated adjuvant.

Tratamiento quirúrgico del cáncer de cuello uterino en estadio temprano: revisión de la bibliografía / Surgical treatment or early stage cervical cáncer: a literatura review

Resumen ANTECEDENTES: La vía de acceso quirúrgico para el tratamiento de pacientes con cáncer de cuello uterino en estadio temprano ha demostrado, durante muchos años, los mismos desenlaces que la vía abierta y la mínimamente invasiva, aunque con menores complicaciones teóricas con esta última. OBJETIVO: Describir la evidencia actual acerca de la vía de acceso óptima para el tratamiento quirúrgico de las pacientes con cáncer de cuello uterino en estadio temprano. METODOLOGÍA: Estudio retrospectivo efectuado mediante una revisión bibliográfica en las bases de datos de Pubmed, EMBASE, Web of Science y CINAHL, en febrero del 2021, de artículos publicados entre el 2017 y el 2021. Se utilizaron las palabras clave (MeSH): early cervical cancer, minimally invasive surgery, Open Radical Hysterectomy, intra-uterine manipulator. Se excluyeron los artículos publicados en otros idiomas diferentes al inglés. RESULTADOS: De lo revisado se plantea la hipótesis de que la cirugía abierta permite mayor tracción anterior del útero que, de esta manera, facilita una resección más amplia de los ligamentos úterosacros y los parametrios. CONCLUSIONES: La vía de acceso mínimamente invasiva ha tenido peores desenlaces en términos de supervivencia libre de enfermedad y global, en comparación con la vía abierta. Se propone reconsiderar la vía de acceso abierta como patrón de referencia del tratamiento quirúrgico para pacientes con cáncer de cuello uterino en estadio temprano.

Abstract BACKGROUND: The surgical approach to early stage cervical cancer has been shown for many years to have the same results between the open and minimally invasive routes, with fewer theoretical complications in the latter. OBJECTIVE: To provide a description of the current evidence on the optimal approach for the surgical treatment of early stage cervical cancer. METHODOLOGY: A bibliographic search was carried out through Pubmed, EMBASE, Web of Science and CINAHL between 2017 and 2021. RESULTS: From what has been reviewed, it is hypothesized that open surgery allows greater anterior traction of the uterus, thus facilitating a wider resection of the uterosacral ligaments and parametria. CONCLUSIONS: The minimally invasive approach route has been shown to have worse results in terms of disease-free survival and overall survival, compared to the open route. The open approach should be reconsidered as the gold standard for patients with early-stage cervical cancer.

Importancia de los márgenes quirúrgicos afectados en la conización uterina cervical / Importance of surgical margins affected in cervical uterine conization

Resumen: OBJETIVO: Determinar la asociación entre los márgenes afectados con la persistencia-recurrencia de neoplasia intraepitelial cervical, persistencia del virus del papiloma humano y las reintervenciones. MATERIALES Y MÉTODOS: Estudio de casos y controles anidado en una cohorte retrospectiva del Complexo Hospitalario Universitario de Ourense (enero 2010-octubre 2017). Criterio de inclusión: mujeres con al menos una revisión postintervención. Criterios de exclusión: mujeres sin evidencia de displasia de alto grado en la pieza de conización y a las que no se dio seguimiento. Variables de estudio: edad, tabaquismo, preservativo, anticonceptivos orales, vacunación contra VPH, persistencia-recurrencia de NIC y de VPH y reintervención. Se realizaron pruebas paramétricas y no paramétricas entre las variables. RESULTADOS: La cohorte se integró con 248 mujeres, de éstas 81 (32.6%) tuvieron afectación de los márgenes quirúrgicos en la conización. La inmunosupresión, el tabaquismo y la anticoncepción oral fueron las asociaciones más frecuentes en los márgenes afectados. El uso de preservativo y la vacunación contra VPH fueron significativamente más frecuentes en los márgenes libres. Los márgenes afectados reportaron mayor persistencia de VPH (50 vs 23.9%; OR 3.17 (1.90-5.26), p < 0.001), enfermedad persistente-recurrente (47.2 vs 22.5%; OR 3.07 (1.84-5.12), p < 0.001) y reintervenciones (40.2 vs 15.4%; OR 3.679 (2.094-6.463), p < 0.028). El margen más afectado fue, en orden descendente, endocervical (55.6%), exocervical (25%) y ambos (19.4%). CONCLUSIONES: El margen afectado confiere un riesgo importante en la evolución de la infección por VPH y la recurrencia de la enfermedad.

Abstract: OBJECTIVE: To determine the association between affected margins with persistence-recurrence of cervical intraepithelial neoplasia, persistence of human papillomavirus and re-interventions. MATERIALS AND METHODS: Study of cases and controls nested in a retrospective cohort of the Complexo Hospitalario Universitario de Ourense (January 2010-October 2017). Inclusion criteria: women with at least one post-intervention check-up. Exclusion criteria: women without evidence of high-grade dysplasia in the conization piece and who were not followed up. Study variables: age, smoking, condom, oral contraceptives, HPV vaccination, persistence-recurrence of CIN and HPV, and re-operation. Parametric and non-parametric tests were performed among the variables. RESULTS: The cohort consisted of 248 women, 81 of whom (32.6%) had affected surgical margins on conization. Immunosuppression, smoking and oral contraception were the most frequent associations in affected margins. Condom use and HPV vaccination were significantly more frequent in free margins. Affected margins reported greater persistence of HPV (50 vs 23.9%; OR 3.17 (1.90-5.26), p < 0.001), persistent-recurrent disease (47.2 vs 22.5%; OR 3.07 (1.84-5.12), p < 0.001), and reinterventions (40.2 vs 15.4%; OR 3.679 (2.094-6.463), p < 0.028). The most affected margin was, in descending order, endocervical (55.6%), exocervical (25%) and both (19.4%). CONCLUSIONS: The affected margin confers a significant risk in the evolution of HPV infection and disease recurrence.

Eficacia del retiro quirúrgico de Essure para el alivio del dolor pélvico: serie de casos / Surgical removal of the Essure device as a response to pelvic pain: case series

Resumen OBJETIVO: Evaluar la eficacia del retiro quirúrgico del Essure como medida para aliviar el dolor pélvico ocasionado, presuntamente, por este dispositivo. MATERIALES Y MÉTODOS: Estudio descriptivo y retrospectivo de una serie de casos. Se revisaron las historias clínicas de las pacientes atendidas entre el 1 de enero de 2016 y el 15 de agosto de 2018 en el Complexo Hospitalario Universitario de Ourense para la extracción quirúrgica del dispositivo Essure. Parámetros de estudio: datos demográficos, historial médico, información de la inserción, características del dolor, tipo de intervención, hallazgos durante la intervención y posoperatorios. Los datos se analizaron con el programa SPSS, versión 24 para Windows. RESULTADOS: Se intervinieron 11 pacientes y 7 de ellas tuvieron dolor abdominal después de la colocación del dispositivo, con una tardanza media de aparición de 3.75 años. La técnica quirúrgica más practicada fue la salpingectomía bilateral (7 de 11 pacientes). 7 de las 11 pacientes continuaron con dolor luego de la extracción del dispositivo; de ellas, 2 tenían diagnóstico previo de dolor crónico y 3 antecedente de cirugía abdominal. CONCLUSIONES: En esta muestra de pacientes a quienes se extrajo el Essure, el retiro no resultó eficaz para aliviar el dolor en casi dos tercios de ellas. Esto pone de relieve que la extracción no garantiza la eliminación del dolor. Las investigaciones futuras deberán dirimir porqué en algunos casos la cirugía de extracción no resulta efectiva.

Abstract OBJECTIVE: To evaluate the efficacy of the surgical removal of Essure in the elimination of pelvic pain caused, presumably, by this device. MATERIALS AND METHODS: A descriptive study of case series was conducted retrospectively. A review was performed of the medical histories of all the patients (11 in total) who underwent surgical removal of Essure devices at the University Hospital of Ourense (Spain) in the period between 1 January 2016 and 15 August 2018. The following items were collected: demographic data, medical history, data related to the insertion, characteristics of the pain, type of intervention, findings during the intervention and postoperative findings. The total number of patients intervened during that period was 11. The data was analyzed with the statistical software SPSS version 24 for Windows. RESULTS: Eleven patients were operated and 7 of them had abdominal pain after placement of the device, with an average delay of appearance of 3.75 years. The most practiced surgical technique was bilateral salpingectomy (7 of 11 patients). 7 of the 11 patients continued with pain after removal of the device; of them, 2 had previous diagnosis of chronic pain and 3 antecedents of abdominal surgery. CONCLUSIONS: It is evident that surgical removal of the Essure insert was not effective in almost two-thirds of the patients under study, which highlights that its removal does not guarantee the elimination of pain. Future research should determine why in some cases surgical removal is not effective.