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Abstract Objectives: to describe estimated fetal weight, biparietal diameter, head circumference, abdominal circumference, and femoral length in a sample of pregnant women and to compare them with the international curves. Methods: a retrospective cross-sectional study was conducted on ultrasonographic data of singleton pregnancies between 16 and 39 weeks in Bogotá, Colombia, from February 2015 to November 2018. Fetal parameters were evaluated. Descriptive analysis of each biometric parameter was performed, followed by comparison the curves provided by INTERGROWTH-21st and Lagos. Results: a total of 1133 sonographic reports were analysed. The means ± SDs of biparietal diameter, head circumference, abdominal circumference, femur length, and estimated fetal weight measurements at 16and 39 weeks were 34.7 ± 1.5 and 92.2 ± 4.4 mm, 122.2 ± 6.6and 318.0 ± 17.0 mm, 107.2 ± 6.8 and329.3 ± 34.6mm, 20.6 ± 2.8 and 73.5 ± 3.3 mm, and257.8 ± 20.9 and 3,115 ± 663.7g, respectively. The data were presented in graphs. AC and FL were the parameters that showed more statistically significant differences with international curves. Conclusions: international reference charts analysed, show differences when fetal growth of this population was compared. The customized or local charts maybe are more useful to reach early detection of alterations offetal growth in each population.

Resumo Objectives: to determine the prevalence of pathological findings according to the type of chorionicity in pregnancies in two institutions in Bogotá, Colombia. Methods: descriptive, retrospective, cohort study. Biometric variables were calculated, and pathological findings were evaluated according to the type of chorionicity in multiple pregnancies. Statistical characterization was performed with absolute frequencies, calculation of relative frequencies in qualitative variables, standard deviation measures, median and interquartile range. In addition, a descriptive analysis of the information was carried out. Results: 528 studies were carried out in 141 pregnant women, 98.5% (n = 139) twins and 1.4% (n = 2) triplets. A prevalence of 35.4% of fetal complications was calculated. The most frequent was fetal growth restriction (p=0.37). According to each type of chorionicity, fetal growth restriction was presented in 50% (1/2) of the trichorionics, 16.6% (7/42) of the monochorionics, and 11.3% (11/97) of the dichorionics. Conclusion: fetal growth restriction was the most common finding, both in trichorionics, monochorionics and dichorionics pregnancies.

Abstract Background Whipple’s disease is a rare systemic disease caused by a gram-positive bacillus called Tropheryma whipplei. First described in 1907 as an intestinal lipodystrophy with histological finding of vacuoles in the macrophages of the intestinal mucous. Usually the symptoms are localized according to the compromised organ. The differential diagnosis is wide. It can be fatal without proper treatment. Recurrence can occur in up to 33% of the cases and usually compromises the neurological system. Case presentation This article reports the case of a 46-year-old female patient with a history of a 6-month hypochromic microcytic anemia of unknown cause. She consulted for a 6-months oppressive abdominal pain located in the mesogastrium as well as abdominal distention associated with nausea and liquid stools; in addition, she had an 8-month small and medium joint pain, without edema or erythema. Physical examination without relevant findings. Multiple esophagogastroduodenoscopies with normal gastric and duodenal biopsies findings and a normal colonoscopy were performed. Endoscope capsule showed red spots in the duodenum and ulcerations in the jejunum and proximal ileum covered by fibrin; histological report showed macrophages with positive periodic acid-schiff reaction staining (PAS staining), disgnosing Whipple’s disease. Antibiotics were initiated. The patient is currently in the second phase of treatment without gastrointestinal and joint symptoms. Conclusion This is the first case reported in Colombia. It is a rare entity and difficult to diagnose reason why it is important to continue with clinical investigations to give more clarity about the onset and appropriate diagnose to avoid the delay in treatment of this entity.

Introducción: el cáncer colorrectal es un problema de salud pública; sin embargo, la detección temprana reduce su morbimortalidad. La colonoscopia es el procedimiento de elección para detectar lesiones premalignas y el éxito depende de una limpieza adecuada. El objetivo es evaluar el desempeño de dos preparaciones de bajo volumen empleados en un hospital de alto nivel. Materiales y métodos: estudio prospectivo en adultos que asistieran a colonoscopia en la Fundación Santa Fe de Bogotá, Colombia. Las preparaciones se evaluaron con la escala de Boston, con puntaje ≥ 6 puntos para una limpieza adecuada. Se realizó un análisis de regresión logística para establecer la efectividad de los medicamentos con un cálculo de no inferioridad del 3 %-5 %. Resultados: 598 pacientes fueron evaluados. El 49 % (293) fue expuesto al picosulfato de sodio/citrato de magnesio y el 51 % (305) fue expuesto al sulfato de sodio/potasio/magnesio. Con un promedio de Boston de 6,98 ± 1,86 (78 % con puntaje de Boston ≥ 6) y 7,39 ± 1,83 (83 %), respectivamente (p = 0,649). Según el análisis de la presencia y frecuencia de síntomas no deseados, el picosulfato fue mejor tolerado (p < 0,001). Conclusiones: los estudios de preparación intestinal en pacientes de un escenario real son muy escasos. Los medicamentos de bajo volumen obtuvieron una efectividad global y por segmento de colon similar, confirmando la no-inferioridad; el picosulfato de sodio/citrato de magnesio fue mejor tolerado. Un estudio de costo-efectividad podría definir esto según las necesidades de la población de estudio.

Background. Gastroesophageal reflux disease (GERD) is the most frequent chronic gastrointestinal disorder. It is defined as a condition developed when the reflux of gastric contents causes troublesome symptoms (heartburn and regurgitation). This requires adequate treatment since it can lead to long-term complications including esophagus adenocarcinoma. Proton pump inhibitors (PPI) are generally used to treat GERD due to their high-security profile and efficiency on most patients. However, recurrent reflux despite initial treatment is frequent. N-of-1 trial is a study that allows the identification of the best treatment for each patient. The objective of this study is to compare the efficacy of standard dose with double dosage of esomeprazole, to improve the GERD symptoms in a single patient. Methods. A single-patient trial, placebo-controlled, randomized, double-blind, was carried out from September 25th, 2012, to April 26th, 2013. It included one outpatient at the gastroenterology service in a fourth-level hospital, diagnosed with nonerosive reflux disease (NERD). Yet, his symptoms were heartburn and reflux, and his endoscopic results were normal esophageal mucosa, without hiatal hernia, though pathological pH values. A no-obese male without any tobacco or alcohol usage received esomeprazole 40 mg/day and 40 mg/bid for 24 weeks. A standardized gastroesophageal reflux disease questionnaire (GerdQ) was used weekly to evaluate symptom frequency and severity. The consumption of 90% of the capsules was considered as an adequate treatment adherence. D’agostino–Pearson and Wilcoxon test were used to determine normal or nonnormal distribution and compare both treatments, respectively, both with a significant statistical difference of p0.05). Conclusion. There was no significant improvement in the patient GERD symptoms increasing the dose of oral esomeprazole during the 6 months of study. N-of-1 trials in chronic pathologies including GERD are recommended due to their potential value as systematic methods that evaluate therapies without strong scientific evidence.