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BACKGROUND: Both progestogens and cerclage are individually effective in preterm birth prevention in high risk pregnancies. However, national and international guidelines cite a lack of data available to comment on the potential benefit of concurrent progestogen therapy after cerclage has been placed. Studies to date have been small with mixed results regarding benefit of concurrent progestogen with cerclage leaving uncertainty regarding best clinical practice. OBJECTIVE: This study aimed to evaluate whether cerclage with progestogen therapy was superior to cerclage alone in the prevention of spontaneous preterm birth in singleton pregnancies. METHODS: This is an international retrospective cohort study of singleton pregnancies, without major anomaly or aneuploidy, and with cerclage placed at 10 different institutions in the United States and Colombia from June 2016 to June 2020. Exclusion criteria were lack of documentation regarding whether progestogen was prescribed, unavailable delivery outcome, and pregnancy termination (spontaneous or induced) before 16 weeks' gestation. The exposure of interest was progestogen use with cerclage placement, which included those who continued to use progestogen or who started progestogen after cerclage. The comparison group consisted of those without progestogen use after cerclage placement, which included those who had no progestogen use during the entire pregnancy or who initiated progestogen and then stopped it after cerclage placement. Progestogen type, cerclage indication, maternal baseline characteristics, and maternal/neonatal outcomes were collected. The primary outcome was spontaneous preterm birth at <37 weeks. The secondary outcomes were spontaneous preterm birth at <34 weeks, gestational age at delivery, and a composite neonatal outcome including ≥1 of the following: perinatal mortality, confirmed sepsis, grade III or IV intraventricular hemorrhage, retinopathy of prematurity, respiratory distress syndrome, and bronchopulmonary dysplasia. There were planned subgroup analyses by cerclage indication, progestogen type (vaginal progesterone vs 17-hydroxyprogesterone caproate), preterm birth history, and site. Continuous variables were compared in adjusted analyses with analysis of covariance, and categorical variables were compared with multivariable logistic regression, adjusting for potential confounders with adjusted odds ratio. A Cox regression survival curve was generated to compare latency to spontaneous delivery, censored after 37 weeks. RESULTS: During the study period, a total of 699 singletons met the inclusion criteria: 561 in the progestogen with cerclage group and 138 with cerclage alone. Baseline characteristics were similar, except the higher likelihood of previous spontaneous preterm birth in the progestogen group (61% vs 41%; P<.001). Within the progestogen group, 52% were on 17-hydroxyprogesterone caproate weekly, 44% on vaginal progesterone daily, and 3% on oral progesterone daily. Progestogen with cerclage was associated with a significantly lower frequency of spontaneous preterm birth <37 weeks (31% vs 39%; adjusted odds ratio, 0.59 [0.39-0.89]; P=.01) and <34 weeks (19% vs 27%; adjusted odds ratio, 0.55 [0.35-0.87]; P=.01), increased latency to spontaneous delivery (hazard ratio for spontaneous preterm birth <37 weeks, 0.66 [0.49-0.90]; P=.009), and lower frequency of perinatal death (7% vs 16%; adjusted odds ratio, 0.37 [0.20-0.67]; P=.001). In planned subgroup analyses, association with reduced odds of preterm birth <37 weeks persisted in those on vaginal progesterone, those without a previous preterm birth, those with ultrasound- or examination-indicated cerclage, those who started progestogen therapy before cerclage, and in sites restricted to the United States. CONCLUSION: Use of progestogen with cerclage was associated with reduced rates of spontaneous preterm birth and early spontaneous preterm birth compared with cerclage alone. Although this study was not sufficiently powered for subgroup analysis, the strength of evidence for benefit appeared greatest for those with ultrasound- or examination-indicated cerclage, and with vaginal progesterone. El resumen está disponible en Español al final del artículo.

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Background:  Multiple myeloma is the second most common hematologic malignancy after lymphomas. Few studies have characterized significant and full variables at the time of diagnosis of multiple myeloma in Colombia, and there is no data evaluating patients for follow-up. Materials and Methods:  A retrospective cohort study is presented, describing the clinical, laboratory, cytometric, and cytogenetic characteristics of patients with a de novo diagnosis of multiple myeloma evaluated in a reference hematology laboratory attached to a highly complex hospital in Medellín, Colombia.  We follow them until death as a main outcome. Results:  A total of 170 patients with a de novo diagnosis of multiple myeloma were collected from a database of 421 patients with different monoclonal gammopathies. Mainly, it was found that 50.8% of the patients were men; the median age was 62 years; 65.4% had secretion of the IgG kappa; half of the patients presented International Staging System (ISS) Stage III. The ß2 macroglobulin >4 mg/L and creatinine >2 mg/dl were the main variables significantly associated with survival (Hazard Ratio (HR) 2.4 and 2, respectively). Eighty-five percent of patients presented with bone lytic lesion involvement and less than 3% with extramedullary involvement. Conventional Banding Karyotype (CBK) genetic risk assessment yield was poor, compared with although scarce data regarding Cytogenetic risk assessment based on Fluorescence in-situ Hybridization (FISH). Conclusion:  The clinical profile of the patients with a de novo diagnosis of multiple myeloma in our cohort is similar to that described in international studies. The diagnosis of multiple myeloma was documented at younger ages, with more advanced stages, anemia, and a high percentage of bone disease. ISS provides an excellent tool for prognosis purposes. Cytogenetic risk assessment based on FISH should be done for all MM patients from therapeutic implications. We need standardized protocols for bone marrow sample manipulation and processing in order to guarantee good correlation for plasma cells count methods.

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Introduction: About 80-95% of patients infected with the human immunodeficiency virus (HIV) develop skin manifestations, which are markers of the patients' immune status. Objective: To describe the dermatologic manifestations and the clinical and sociodemographic factors of hospitalized patients diagnosed with HIV and their correlation with CD4 T-lymphocyte count. Materials and methods: We conducted an observational, cross-sectional, and retrospective study of the medical records of 227 adult patients with HIV diagnosis evaluated by dermatology in a hospital in Medellín, Colombia. Results: We included 227 patient records with 433 dermatologic manifestations, 64.4% of them infectious. The most frequent manifestations were oral candidiasis, condylomata acuminata, and drug reactions. Moreover, a statistically significant relationship was found between disseminated herpes zoster virus and secondary syphilis with a CD4 count between 200-499 cells/mm3 (p=0.04 and 0.028, respectively). There was also a statistically significant relationship between oral candidiasis and a CD4 count of less than 100 cells/mm3 (p=0.008). Conclusions: The relationship between disseminated herpes zoster with CD4 between 200-499 cells/mm3 suggests that, despite having high CD4 counts, severe forms of the disease may occur due to possible T-cell dysfunction and depletion of the immune system. Additionally, the relationship between oral candidiasis and CD4 less than 100 cells/mm3 indicates the potential role of oral candidiasis as an essential marker of weakened immune status in HIV patients.

Introducción. Entre el 80 y el 95 % de los pacientes infectados por el virus de inmunodeficiencia humana (HIV) desarrollan manifestaciones en la piel que sirven como marcadores de su estado inmunológico. Objetivos. Describir las manifestaciones dermatológicas y los factores clínicos y sociodemográficos de los pacientes hospitalizados con diagnóstico de HIV y su correlación con el recuento de linfocitos T CD4. Materiales y métodos. Se hizo un estudio observacional de corte transversal y retrospectivo a partir del registro de las historias clínicas de 227 pacientes mayores de edad con diagnóstico de HIV, evaluados por dermatología en un hospital de Medellín, Colombia. Resultados. Los 227 registros daban cuenta de 433 manifestaciones dermatológicas, el 64,4 % de ellas infecciosas. Las tres manifestaciones más frecuentes fueron candidiasis oral, condilomas acuminados y reacciones a medicamentos. Se encontró una relación estadísticamente significativa entre el virus del herpes zóster (HZ) diseminado y la sífilis secundaria, con un recuento de CD4 entre 200 y 499 células/mm3 (p=0,04 y 0,028, respectivamente), y entre la candidiasis oral y un recuento de CD4 menor de 100 células/mm3 (p=0,008). Conclusiones. La relación entre el herpes zóster diseminado y un recuento de CD4 entre 200 y 499 células/mm3 sugiere que, a pesar de los recuentos altos, se pueden presentar formas graves de la enfermedad debido a una posible disfunción de las células T y el agotamiento del sistema inmunológico. La relación entre la candidiasis oral y un recuento de CD4 menor de 100 células/mm3 plantea la posibilidad de considerar esta infección micótica como un marcador importante de debilitamiento inmunológico de los pacientes con HIV.

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Introducción: La enfermedad inflamatoria intestinal (EII), como la Enfermedad de Crohn (EC) y la Colitis Ulcerosa (CU), ha experimentado un aumento en las tasas de egreso hospitalario en países en vías de desarrollo, generando una carga adicional a los sistemas de salud y, por ende, mayores costos. Actualmente, en Chile, no se disponen de datos sobre la incidencia y prevalencia de estas enfermedades. Objetivo: Analizar las tasas de egreso hospitalario por CU y EC entre los años 2018-2021 en Chile según el Departamento de Estadística e Información en Salud (DEIS). Materiales y métodos: Estudio descriptivo, observacional y ecológico. Se utilizó una muestra de 9.109 sujetos, de todos los rangos etarios, hospitalizados con diagnóstico de EC y CU entre 2018-2021. La base de datos se obtuvo del DEIS. No se necesitó aprobación por comité de ética. Resultados: Entre los años 2018-2021, la tasa de egreso hospitalario de CU (9,08) fue mayor que la EC (3,88). Entre 2019-2020 se presentó la mayor caída de las tasas con un descenso de 1,10 para EC y 1,49 para CU. Las mujeres tuvieron una mayor tasa general en ambas enfermedades (4,15 para EC y 10,04 para CU). Las mujeres con EC presentaron una mayor estadía hospitalaria con un promedio de 8,69 días. Conclusión: Los resultados obtenidos actualizan la situación epidemiológica nacional respecto a los días de hospitalización por CU y EC, y podrían contribuir a cuantificar los costos de la EII para generar políticas de salud pública.

Introduction: In developing countries, Inflammatory Bowel Disease (IBD) such as Crohn's disease (CD) and ulcerative colitis (UC) has seen an increase in hospital discharge rates, causing an overload on healthcare systems and higher costs. Currently, in Chile, there is no available data on the incidence and prevalence of these diseases. Objective: This study aimed to analyze UC and CD hospital discharges in Chile between the years 2018-2021 according to the Department of Health Statistics and Information (DEIS). Materials and methods: Descriptive, observational, and ecological study. The sample included 9,109 subjects of all age ranges, hospitalized with CD and UC diagnoses between 2018-2021. The database was obtained from DEIS. Ethics committee approval was not required. Results: Between 2018-2021, the hospital discharge rate for UC was higher than for CD. The most significant rate drop occurred between 2019-2020, with a decrease of 1.10 for CD and 1.49 for UC. Women had the highest rates in both diseases (4.15 for CD and 10.04 for UC). Women with CD presented a longer hospital stay, with an average of 8.69 days. Conclusion: The obtained data provide updated information on the national epidemiological situation regarding hospital length of stay due to UC and CD, and could contribute to measuring IBD costs for the creation of public health policies.

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Iatrogenic preterm birth is a planned delivery that occurs before 37 weeks of gestation due to maternal and/or fetal causes. However, in some cases, such deliveries also occur with no apparent medical indication. The increasing numbers of iatrogenic preterm deliveries worldwide have led researchers to identify modifiable causes that allow the formulation of preventive strategies that could impact the overall preterm birth rate. The present document contains the FIGO (International Federation of Gynecology and Obstetrics) Working Group for Preterm Birth recommendations, aiming to reduce the rates of iatrogenic preterm birth based on four of the most common clinical scenarios and issues related to iatrogenic preterm delivery. The working group supports efforts to identify the contribution of iatrogenic preterm delivery to the overall preterm birth rate and encourages health authorities to establish preventive measures accordingly. We encourage care providers to maintain single embryo transfer policies to prevent multiple pregnancies as a substantial contributor of iatrogenic preterm birth. The working group also recommends that efforts to reduce unnecessary cesarean sections must be warranted, and mechanisms to ensure the appropriate time of delivery and strengthening of education and communication processes must be pursued.

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RESUMEN El lipogranuloma esclerosante es una condición extraña y benigna que puede afectar cualquier órgano, especialmente los genitales externos masculinos. Se suele presentar como masas subcutáneas en escroto, periné y pene. Aunque la mayoría de los casos son secundarios a aplicación de cuerpos extraños como parafina, vaselina o silicona con propósitos estéticos para aumentar el tamaño del pene, también puede deberse a degeneración lipídica endógena, secundaria a trauma, infecciones o reacciones alérgicas. No existe consenso en cuanto a su manejo ni datos sobre su prevalencia al ser una entidad poco reportada; se ha descrito el manejo con ciclos cortos de corticoides sistémicos, y cirugía en los casos recidivantes. El objetivo de este trabajo es reportar el caso de un paciente que acudió con induración y eritema en pene y escroto, quien negaba la aplicación de sustancias exógenas y que fue llevado a biopsia de la lesión, con diagnóstico de lipogranuloma esclerosante. MÉD.UIS.2021;34(2): 97-102.

ABSTRACT Sclerosing lipogranuloma is a noncommon and benign disease that could affect any system in the body, especially the male external genitalia. It is usually presented as a subcutaneous mass in scrotum, perineum and penis. Although, most cases are secondary to the injection of foreign bodies such as paraffin, petrolatum or silicone for cosmetic purposes to increase penis size, it could also be due to endogenous lipid degeneration, secondary to trauma, infections or allergic reactions. There is no unanimity regarding its management or data on its prevalence as it is a poorly reported entity. Management with short cycles of systemic corticosteroids and surgery in relapsing cases have been described. The purpose of this article is to present a case of a patient with induration and erythema in penis and scrotum, who denied the application of exogenous substances and has a reported biopsy of the lesion with diagnosis of sclerosing lipogranuloma. MÉD.UIS.2021;34(2): 97-102.

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INTRODUCTION: The neuroendocrine differentiation in prostate cancer is a rare entity that may occur as de novo, or as a result of treatment with androgen deprivation. It is characterized by its rapid progression and poor prognosis, without elevation of the prostate specific antigen (PSA), which is why it is often diagnosed by biopsy of a site of metastasis; there are no established treatment regimens. In this case, metastasis was presented as implantation to a laparoscopic port. These implantations subsequent to laparoscopic procedures in prostate cancer are very rare, with an incidence between 0.09 and 0.7%. The exact pathogenesis of the tumor implantation at the insertion site is not clear, there are several theories. MATERIALS AND METHODS: We describe the case of a 53-year-old patient with a diagnosis of prostate adenocarcinoma who underwent laparoscopic radical prostatectomy plus lymphadenectomy, staged as PT3BN0 (0/6) M0R1 Gleason 4 + 5. The patient never had negative PSA levels after the treatment, and presented elevation of the same, so radiotherapy was performed at a dose of 66 Gy plus antiandrogen deprivation therapy with leuprolide acetate for 30 months, with a decrease in PSA to 0.011 ng/ml, which remained stable. After 3 months of hormonal therapy, he presented with an umbilical mass on the scar of the laparoscopic port; ultrasound and computed tomography were performed, showing a solid mass dependent of the umbilical upper edge with a defect in the abdominal wall of 3 cm, as well as hepatic nodules suggestive of metastatic lesions and peritoneal implantations. RESULTS: A biopsy of the abdominal wall lesion was performed, documenting poorly differentiated carcinoma with an immune-profile consistent with neuroendocrine carcinoma; immunohistochemistry showed strong and diffuse positivity with cytokeratin cocktail and chromogranin. In conjunction with oncology, treatment with chemotherapy was decided. He received six cycles of cisplatin and etoposide, with progression of his disease and death seven months after diagnosis. CONCLUSIONS: Prostate cancer with neuroendocrine differentiation is a rare entity, usually occurring in the castration resistance stage, with poor prognosis and survival of less than 1 year. It presents as clinical and radiological progression without elevation of the PSA. Although it is very rare, the possible causes include tumor implantation in laparoscopic ports and/or open surgery scars, so caution and certain precautions must be taken when performing radical prostatectomy. In case of suspecting a tumor with neuroendocrine differentiation, biopsy and immunohistochemistry studies should be performed in order to clarify the diagnosis and provide a multimodal treatment based on surgery, radiotherapy and chemotherapy.

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Resumen Objetivo: validar y comparar las escalas de riesgo de sangrado CRUSADE y ACTION en pacientes con síndrome coronario agudo sin elevación del segmento ST (SCASEST) llevados a estratificación coronaria invasiva temprana en un centro de alta complejidad. Métodos: estudio de tipo observacional, analítico y prospectivo, de validación de escalas en una cohorte de pacientes con SCASEST llevados a estratificación coronaria invasiva temprana en un centro cardiovascular. Las escalas de riesgo CRUSADE y ACTION fueron calculadas con las características basales. La ocurrencia de sangrado mayor fue definido por hemorragia intracerebral, retroperitoneal, caída del hematocrito > 12% o necesidad de transfusión cuando el hematocrito fuera > 3 g/dL o > 28% o < 28% con documentación de sangrado clínico o sangrado no relacionado con cirugía de revascularización. Resultados: en este análisis la tasa de sangrado mayor observada fue de 4.8%. La presencia de sangrado mayor se asoció con una probabilidad mayor de mortalidad durante el seguimiento a seis meses (OR 5.316; IC 95% 1.77 -15.92; p= 0.002). La calibración de las escalas de riesgo fue adecuada de acuerdo al estadístico Hosmer-Lemeshow (p>0.05). Ambas escalas demostraron buena discriminación sin diferencias estadísticamente significativas en el escenario intrahospitalario (AUC ROC CRUSADE ACTION 0.77 vs 0.80 p=0.19), al mes (AUC ROC CRUSADE ACTION 0.70 vs 0.75 p=0.08) y 6 meses (AUC ROC CRUSADE ACTION 0.71 vs 0.76 p=0.09), respectivamente. Conclusiones: las escalas de riesgo CRUSADE y ACTION son herramientas útiles para la predicción del riesgo de sangrado en pacientes con SCASEST llevados a estratificación coronaria invasiva temprana. Estos hallazgos sugieren el uso de la escala ACTION sobre la escala de riesgo CRUSADE.

Abstract Objective: to validate and compare the CRUSADE and ACTION bleeding risk scores in patients with acute coronary syndrome without ST-segment elevation (NSTE-ACS) undergoing early invasive coronary stratification in a highly complex center. Methods: an observational, analytical and prospective study of scale validation in a cohort of patients with NSTEACS who underwent early invasive coronary stratification in a cardiovascular center. The CRUSADE and ACTION risk scales were calculated with the baseline characteristics. The occurrence of major bleeding was defined by intracerebral, retroperitoneal hemorrhage, he-matocrit drop > 12% or need for transfusion when the hematocrit was> 3 g/dL or > 28% or <28% with clinical bleeding documentor bleeding not related to revascularization surgery. Results: in this analysis, the highest observed bleeding rate was 4.8%. The presence of major bleeding was associated with a higher probability of mortality during six-month follow-up (OR 5.316, 95% CI 1.77 -15.92, p = 0.002). The calibration of the risk scales was adequate according to the Hosmer-Lemeshow statistic (p> 0.05). Both scales showed good discrimination without statistically significant differences in the intrahospital setting (AUC ROC CRUSADE ACTION 0.77 vs 0.80 p = 0.19) one month (AUC ROC CRUSADE ACTION 0.70 vs 0.75 p = 0.08) and 6 months (AUC ROC CRUSADE ACTION 0.71 vs 0.76 p = 0.09), respectively. Conclusions: the CRUSADE and ACTION risk scales are useful tools for the prediction of bleeding risk in patients with NSTEACS who are undergoing early invasive coronary stratification. These findings suggest the use of the ACTION scale over the CRUSADE risk scale.

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We report the results of pathologic examinations of 2 fetuses from women in Colombia with Zika virus infection during pregnancy that revealed severe central nervous system defects and potential associated abnormalities of the eye, spleen, and placenta. Amniotic fluid and tissues from multiple fetal organs tested positive for Zika virus.

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