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1.
Rev. méd. Chile ; 145(8): 1072-1075, ago. 2017. graf
Article in Spanish | LILACS | ID: biblio-902587

ABSTRACT

Metformin-associated lactic acidosis is a severe and infrequent adverse event. Early diagnosis is essential to start an early treatment, which often has favorable results. We report a 56 years old non-insulin-requiring type 2 diabetic female who developed a severe metabolic acidosis associated with metformin in relation to an acute renal failure secondary to infectious diarrhea. Early treatment with bicarbonate and continuous hemofiltration allowed a quick improvement of the patient. Metformin-associated lactic acidosis has an elevated mortality (50-80%) and has a specific and effective treatment. Therefore, the condition must be born in mind.


Subject(s)
Humans , Female , Middle Aged , Acidosis, Lactic/chemically induced , Hypoglycemic Agents/adverse effects , Metformin/adverse effects , Bicarbonates/therapeutic use , Acidosis, Lactic/therapy , Hemofiltration/methods , Diabetes Mellitus, Type 2/drug therapy
2.
Int. j. med. surg. sci. (Print) ; 3(4): 1025-1030, dic. 2016. tab, graf
Article in English | LILACS | ID: biblio-1095252

ABSTRACT

One of the goals of hemodialysis is to maintain normal hydration status in ESRD patients.Pre hemodialysis systolic blood pressure is usually used as a clinical parameter of hydration status and to set ultrafiltration rate before Hd. It is unclear how much pre-Hd SBP correlated with hydration status. The aimwas to determine correlation between pre-Hd SBP and hydration status before Hd. An observational correlation study was performed in two dialysis centers in Santiago, Chile, from January-June, 2011. Adult patients inHd for at least three months, who gave their informed consent were included. Patients with pacemaker,amputee, hospitalized and metallic prostheses were excluded. Total-body water and over hydrated were assessed with bioimpedance spectroscopy before the first and third dialysis session of the week. Pre-Hd SBP,pre-Hd body weight, pre-Hd TBW and pre-Hd OH, were analyzed using Pearson correlation and linear regressionmodel. 96 measurements were assessed, 52 % were male with median age 59.5 years. The correlationbetween pre-Hd SBP and pre-Hd overhydration was r=0.33, and total body water r=0.15, with a predictedvalue, R2=0.10 and R2 =0.14 respectively. Pre-Hd SBP had low correlation with pre-Hd hydration status and by itself, is not a reliable parameter to set ultrafiltration rate before Hd. Nevertheless Pre-Hd body weight predicted in 70 % the pre-Hd TBW.


Uno de los objetivos de la hemodiálisis es mantener la hidratación normal en pacientes ESRD. La presión arterial sistólica pre hemodiálisis, es usualmente utilizada como parámetro clínico del estado de hidratación y para fijar la velocidad de ultrafiltración antes de la hemodialisis. No está claro cuanto se correlacionan la presión arterial sistólica prehemodialysis con el estado de hidratación. El objetivo fue determinar la correlación entre la PAS prehemodiálisis y el estado de hidratación antes de Hd. Se realizó un estudio de correlación observacional en dos centros de diálisis de Santiago de Chile, de Enero a Junio de 2011. Se incluyeron pacientes adultos en HD durante al me-nos tres meses que dieran su consentimiento informado. Se excluyeron los pacientes con marcapasos, amputados, hospitalizados y pró-tesis metálicas. El agua corporal total y el exceso de hidratación se evaluaron con espectroscopia 1030 de bioimpedancia antes de la primera y tercera sesión de diálisis de la semana. Pre-Hd PAS, pre-Hd peso corporal, pre-Hd ACT y pre-Hd OH, se analizaron utilizando el modelo de correlación y regresión lineal de Pearson. Se evaluaron 96 mediciones, 52% eran hombres con edad media 59, 5 años. La correlación entre la PAS pre-Hd y la sobrehidratación pre-Hd fue r=0, 33 y agua corporal total r=0, 15, con un valor predicho, R2= 0, 10 y R2 = 0, 14 respectivamente. Existe baja correlación entre la PAS Pre-Hd con el esta-do de hidratación pre-Hd y por lo mismo, no es un parámetro confiable para establecer la tasa de ultrafiltración antes de Hd. Sin embargo, el peso corporal Pre-Hd predijo en un 70% el agua corporal total pre-Hd.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Water-Electrolyte Balance/physiology , Blood Pressure/physiology , Renal Dialysis/methods , Spectrum Analysis , Systole , Body Fluids/physiology , Ultrafiltration , Linear Models , Electric Impedance , Correlation of Data
3.
Rev. Soc. Boliv. Pediatr ; 51(3): 181-184, 2012. ilus
Article in Spanish | LILACS | ID: lil-738286

ABSTRACT

La luxación congénita de rodilla es una entidad de muy baja incidencia (0.017 casos por mil nacidos vivos) y 1 por 100.000 casos en relación con la displasia de cadera y que puede presentarse en forma aislada o como parte de algunas entidades teratológicas (síndrome de Down, artrogriposis, mielomeningocele, etc.). Describimos a un neonato, de sexo femenino, que presenta una rodilla izquierda en hiper-extensión, asociado a genu valgo, pie plano valgo y displasia de cadera del mismo lado. De inicio, el manejo fue conservador, pero frente al fracaso terapéutico tuvo que ser intervenido quirúrgicamente para lograr la rehabilitación del paciente. Concluimos que la intervención quirúrgica debe ser precoz y oportuna en esta afección.


Congenital dislocation of the knee is a very rare disease (0.017 cases/1000 live newborns and 1/100.000 in relation to hip dysplasia). Usually is an isolated finding, but some times it is associated to other entities (Down syndrome, arthrogriposis, myelomeningocele, etc). We describe a female newborn who presented at birth hyperextend left knee, genu valgo, flat foot and hip dysplasia of the same side. She was treated conservatively with no improvement, so she underwent surgery and later rehabilitation. We conclude that surgery should be early and the first line of treatment of this condition.

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