Prevalencia de las causas de pérdida gestacional recurrente en un centro médico de tercer nivel de atención / Prevalence of the causes of recurrent pregnancy loss in a third-level health care center

Resumen OBJETIVO: Determinar la prevalencia de los principales factores etiológicos de pérdida gestacional recurrente en la población de un hospital de tercer nivel de atención. MATERIALES Y MÉTODOS: Estudio retrospectivo, transversal y descriptivo llevado a cabo en pacientes con protocolo de estudio de dos o más pérdidas gestacionales recurrentes que iniciaron el control prenatal en el servicio de Obstetricia o que ingresaron al Instituto Nacional de Perinatología con diagnóstico de infertilidad entre los meses de enero de 2017 a enero de 2020. En cada grupo se revisaron los factores etiológicos descritos en la bibliografía internacional como posibles causas de pérdida gestacional recurrente. RESULTADOS: Se estudiaron 280 pacientes y el factor con mayor prevalencia de pérdida gestacional recurrente fue el endocrino con el 56.78% (n = 159), seguido del anatómico-uterino con el 42.14% (n = 118) y en tercer lugar el infeccioso con 40.35% (n = 113). En las 75 pacientes del grupo de infertilidad, el factor etiológico más prevalente fue el endocrino (88%; n = 66), seguido del anatómico-uterino (53.3%; n = 40) y a continuación del masculino (50.6%; n = 38). En las pacientes del grupo de Obstetricia, el factor con mayor prevalencia fue el endocrino (45.36%; n = 93), seguido del anatómico-uterino (38.04%; n = 78) y el infeccioso (37%; n = 76). CONCLUSIONES: Los factores relacionados con la pérdida gestacional recurrente, descritos en la bibliografía internacional y analizados en este estudio, mostraron prevalencias similares en población institucional. Las que difieren están influidas por las características de la población estudiada, los recursos de la institución e, incluso, el diagnóstico y servicio por el que ingresaron como pacientes al INPer.

Abstract OBJECTIVE: To determine the prevalence of the main etiological factors of recurrent gestational loss in the population of a tertiary care hospital. MATERIALS AND METHODS: Retrospective, cross-sectional, descriptive study carried out in patients with study protocol of two or more recurrent gestational losses who initiated prenatal control in the Obstetrics service or who were admitted to the Instituto Nacional de Perinatologia with a diagnosis of infertility between the months of January 2017 to January 2020. In each group, the etiological factors described in the international literature as possible causes of recurrent gestational loss were reviewed. RESULTS: 280 patients were studied and the factor with the highest prevalence of recurrent gestational loss was endocrine with 56.78% (n = 159), followed by anatomic-uterine with 42.14% (n = 118) and thirdly infectious with 40.35% (n = 113). In the 75 patients in the infertility group, the most prevalent etiologic factor was endocrine (88%; n = 66), followed by anatomic-uterine (53.3%; n = 40) and then male (50.6%; n = 38). In patients in the obstetrics group, the factor with the highest prevalence was endocrine (45.36%; n = 93), followed by anatomic-uterine (38.04%; n = 78) and infectious (37%; n = 76). CONCLUSIONS: The factors related to recurrent gestational loss, described in the international literature and analyzed in this study, showed similar prevalences in institutional population. Those that differ are influenced by the characteristics of the population studied, the resources of the institution and, even, the diagnosis and service for which they were admitted as patients to the INPer.

Diabetes, Active Disease, and Afternoon Serum Cortisol Levels Predict Cushing's Disease Mortality: A Cohort Study.

CONTEXT: Cushing's disease (CD) is a life-threating disease, with increased mortality in comparison with the general population. OBJECTIVE: This study aimed to evaluate standardized mortality ratios (SMRs) in CD patients. We also analyzed independent risk factors related to increased mortality. DESIGN: We conducted a longitudinal cohort study in a 3rd level specialty center, from 1979 to 2018, in patients with CD. RESULTS: From 1375 cases with a pathology diagnosis of pituitary adenoma, 191 cases had the confirmed diagnosis of CD (14%). A total of 172 patients completed follow-up, with a mean age at diagnosis of 33 ±â€…11 years, female predominance (n = 154, 89.5%), majority of them with microadenoma (n = 136, 79%), and a median follow-up of 7.5 years (2.4-15). Eighteen patients (10.5%) died, 8 of them (44%) were with active CD, 8 (44%) were under remission, and 2 (11%) were under disease control. Estimated all-cause SMR = 3.1, 95% confidence interval (CI) 1.9-4.8, P < 0.001. Cardiovascular disease was the main cause of death (SMR = 4.2, 1.5-9.3, P = 0.01). Multivariate Cox regression models adjusted for potential cofounders showed that diabetes (HR = 5.2, IC 95% 1.8-15.4, P = 0.002), high cortisol levels after 1600 hours at diagnosis (3.4, 2.3-7.0, P = 0.02), and active CD (7.5, 3.8-17.3, P = 0.003) significantly increased the risk of mortality. CONCLUSIONS: Main cause of CD mortality was cardiovascular disease. Main risk factors for mortality were uncontrolled diabetes, persistently high cortisol levels after 1600 hours at diagnosis, and active disease at last follow-up.

High Molecular Weight ACTH-Precursor Presence in a Metastatic Pancreatic Neuroendocrine Tumor Causing Severe Ectopic Cushing's Syndrome: A Case Report.

Ectopic ACTH-secretion causing Cushing's syndrome is unusual and its diagnosis is frequently challenging. The presence of high-molecular-weight precursors throughout pro-opiomelanocortin (POMC) translation by these tumors is often not reported. We present the case of a 49-year-old woman with a 3-month history of proximal muscular weakness, skin pigmentation, and weight loss. Upon initial evaluation, she had a full moon face, hirsutism, and a buffalo hump. Laboratory workup showed hyperglycemia, hypokalemia and metabolic alkalosis. ACTH, plasma cortisol, and urinary free cortisol levels were quite elevated. Serum cortisol levels were not suppressed on dexamethasone suppression testing. An octreo-SPECT scan showed enhanced nucleotide uptake in the liver and pancreas. Transendoscopic ultrasound-guided biopsy confirmed the diagnosis of a pancreatic ACTH-secreting neuroendocrine tumor (NET). Surgical excision of both pancreatic and liver lesions was carried out. Western blot analysis of the tumor and metastases revealed the presence of a high-molecular-weight precursor possibly POMC (at 30 kDa) but not ACTH (normally 4.5 kDa). ACTH-precursor secretion is more frequent in ectopic ACTH-secreting tumors compared with other causes of Cushing's syndrome. Hence, the measurement of such ACTH precursors warrants further evaluation, especially in the context of ACTH-dependent hypercortisolism.

Effectiveness of the FIGO protocol for medical management of first-trimester abortion / Eficacia del esquema FIGO para el manejo médico del aborto en el primer trimestre

Objective: To determine the effectiveness of misoprostol using the International Federation of Gynecology and Obstetrics (FIGO) 2017 protocol for medical management of first trimester abortion. Methods: A cross-sectional study was performed between March and September 2018. Seventy-six patients diagnosed with first trimester spontaneous abortion were managed following the FIGO 2017 protocol for medical management of first trimester abortion. Results: Main indications for inclusion of the 76 patients were missed abortion 57.9%, incomplete abortion 25%, and anembryonic pregnancy 17.1%. Medical induction with misoprostol followed the FIGO 2017 protocol for medical management of first trimester abortion. The most frequent side effect reported was abnormal uterine bleeding associated with pelvic pain (72.3% of patients). Complete uterine evacuation was accomplished in 98.6% of the patients. Conclusion: Misoprostol use in patients with first trimester abortion following the FIGO 2017 protocol was a safe and cost-effective therapeutic option.

Objetivo. Evaluar la eficacia del manejo con misoprostol al emplear el esquema de la Federación Internacional de Ginecología y Obstetricia (FIGO) 2017 para el abordaje de abortos de primer trimestre. Métodos. Estudio transversal realizado entre marzo y septiembre 2018, que incluyó 76 pacientes con diagnóstico de aborto espontáneo en el primer trimestre de gestación y que tuvieron manejo de acuerdo al esquema recomendado por FIGO 2017. Resultados. Las principales indicaciones para la inclusión de las 76 pacientes fueron aborto diferido 57,9%, aborto incompleto 25% y embarazo anembrionado 17,1%. La inducción con misoprostol siguió las indicaciones de FIGO 2017 para el manejo del aborto del primer trimestre. El efecto adverso más frecuente fue el sangrado vaginal asociado a dolor pélvico en 72,3% de las pacientes. Se logró la evacuación uterina completa en 98,6% de los casos. Conclusión. El manejo médico del aborto del primer trimestre de gestación con el uso del misoprostol de acuerdo al esquema FIGO 2017 ofreció una opción terapéutica altamente segura y costo-efectiva.

Hemoglobinuria paroxística nocturna durante el embarazo: reporte de un caso y revisión de la literatura / Paroxysmal nocturnal hemoglobinuria in pregnancy: report of a case and literature review

Objectives: To describe the perinatal results in a patient with paroxysmal nocturnal hemoglobinuria. Methods: We present the case of a patient diagnosed with paroxysmal nocturnal hemoglobinuria at the Instituto Nacional de Perinatología, Mexico. Case report: The 19-year-old patient presented a 26-week pregnancy and pancytopenia. Infectious, pharmacological and autoimmune etiologies were discarded. Flow cytometry identified paroxysmal nocturnal hemoglobinuria clone type II/III in over 50% of granulocytes and monocytes. During pregnancy, the management consisted in transfusion support and anticoagulation with acenocoumarin. Delivery occurred at 38.5 weeks of gestation. The patient was then referred to a bone marrow transplant unit.

Objetivo. Presentar los resultados perinatales de una paciente con hemoglobinuria paroxística nocturna. Metodología. Se revisó el caso de una paciente con diagnóstico de hemoglobinuria paroxística nocturna atendida en el Instituto Nacional de Perinatología, México. Caso clínico. Paciente de 19 años, embarazo de 26,0 semanas y pancitopenia. Dentro del abordaje, se descartaron entidades infecciosas, farmacológicas y autoinmunes. La citometría de flujo reportó hemoglobinuria paroxística nocturna con clona clase II/III en granulocitos y monocitos mayor al 50%. Durante la gestación el manejo fue soporte transfusional y anticoagulación con acenocumarina. El embarazo se resolvió a las 38,5 semanas. Se envió a la paciente a la unidad de trasplante de médula ósea.

A Higher Fructose Intake Is Associated with Greater Albuminuria in Subjects with Type 2 Diabetes Mellitus.

The aim of this single center cross-sectional study was to investigate the association between fructose intake and albuminuria in subjects with type 2 diabetes mellitus (T2DM). This is a single center cross-sectional study. One hundred and forty-three subjects with T2DM were recruited from the Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran. The median daily fructose intake was estimated with a prospective food registry during 3 days (2 week-days and one weekend day) and they were divided into low fructose intake (<25 g/day) and high fructose intake (≥ 25 g/day). Complete clinical and biochemical evaluations were performed, including anthropometric variables and a 24-hour urine collection for albuminuria determination. One hundred and thirty-six subjects were analyzed in this study. We found a positive significant association between daily fructose intake and albuminuria (ρ= 0.178, p=0.038) in subjects with type 2 diabetes mellitus. Other variables significantly associated with albuminuria were body mass index (BMI) (ρ= 0.170, p=0.048), mean arterial pressure (MAP) (ρ= 0.280, p=0.001), glycated hemoglobin (A1c) (ρ= 0.197, p=0.022), and triglycerides (ρ= 0.219, p=0.010). After adjustment for confounding variables we found a significant and independent association between fructose intake and albuminuria (ß= 13.96, p=0.006). We found a statistically significant higher albuminuria (60.8 [12.8-228.5] versus 232.2 [27.2-1273.0] mg/day, p 0.002), glycated hemoglobin (8.6±1.61 versus 9.6±2.1 %), p= 0.003, and uric acid (6.27±1.8 versus 7.2±1.5 mg/dL), p=0.012, in the group of high fructose intake versus the group with low fructose intake, and a statistically significant lower creatinine clearance (76.5±30.98 mL/min versus 94.9±36.8, p=0.014) in the group with high fructose intake versus the group with low fructose intake. In summary we found that a higher fructose intake is associated with greater albuminuria in subjects with T2DM.