ABSTRACT
This study deals with the levels of aromatic and aliphatic hydrocarbon quantification in sediments and organisms in Cartagena Bay (Colombia), 1996-1997. Sediments (14 stations) and bivalves (2 stations) were monitored at different times of the year. Areas with high values were in the north with concentrations above 100 microg/g with a maximum of 1415 microg/g. Areas with low values were located toward the south, near the outlet of the Canal del Dique and Barú Island, with values below 10 microg/g. In other areas concentrations were between 50 and 100 microg/g. A decrease in sediment concentrations of hydrocarbons has occurred since 1983, but levels in some sectors are still similar to those in polluted areas. Organisms have relatively low values (8-30 microg/g for bivalves, and 10-40 microg/g for fish).
Subject(s)
Geologic Sediments/chemistry , Hydrocarbons/analysis , Mollusca/metabolism , Water Pollutants, Chemical/analysis , Animals , Colombia , Environmental Exposure , Environmental Monitoring , Fishes/metabolism , Mollusca/chemistryABSTRACT
We correlate the cases of forty neonates and nursing infants whose brains were studied using ultrasound and CT scan. The indications for the aforementioned studies were: 15 cases of dysmorphism, 16 cases with significant neurological signs and 9 cases of preterm neonates with body weight less than 1,500 g. The results of the correlations were as follows: 24 cases demonstrated similar images (60%), 14 cases showed a better resolution of the images by ultrasound (35%), better resolution of the images by CT scan in 2.5% and non-coincidental images in one case (2.5%). We conclude that in the specialty of neonatology, using ultrasound has more advantages than the CT scan method.
Subject(s)
Brain Diseases/diagnosis , Tomography, X-Ray Computed , Ultrasonography , Brain Diseases/diagnostic imaging , Humans , Infant , Infant, NewbornSubject(s)
Infant Mortality , Apgar Score , Birth Weight , Gestational Age , Humans , Infant, Newborn , Mexico , Risk FactorsABSTRACT
Veintiocho recien nacidos con oliguria fueron estudiados prospectivamente con el fin de evaluar los diferentes indices de la funcion renal en el diagnostico diferencial entre oliguria funcional prerrenal e insuficiencia renal aguda. Se encontraron diferencias estadisticamente significativas de los resultados obtenidos para el U/P de urea, U/P de creatinina, sodio urinario, U/P de sodio y excrecion fraccionada de sodio por urea, entre los pacientes con OFP e IRA. Sin embargo, se superpusieron los valores extremos de estos indices entre los recien nacidos con OFP e IRA. Por lo contrario, la excrecion fraccionada de sodio por creatinina y el indice de fallo renal tuvieron una marcada diferencia y sus valores extremos no se superpusieron entre los recien nacidos con OFP e IRA, constituyendose en los mejores indicadores para la diferenciacion entre OFP e IRA en recien nacidos de cualquier edad gestacional
Subject(s)
Infant, Newborn , Humans , Acute Kidney Injury , Anuria , Diagnosis, DifferentialABSTRACT
A complex case of heart arrhythmia, probably, secondary to perinatal asphyxia is described. It was not possible to confirm a diagnosis from among the most common types of arrhythmias that develop during the neonatal period, such as congenital AV blockage, supraventricular paroxysmal tachycardia or ventricular paroxysmal tachycardia because of the changing pattern of the pacemaker and the rhythm.
Subject(s)
Arrhythmias, Cardiac/etiology , Asphyxia Neonatorum/complications , Arrhythmias, Cardiac/drug therapy , Bradycardia/etiology , Ductus Arteriosus, Patent/complications , Female , Humans , Infant, Newborn , Isoproterenol/adverse effects , Isoproterenol/therapeutic use , Tachycardia/etiologyABSTRACT
Se describe un caso de un recien nacido que presento una arritmia cardiaca grave y compleja probablemente secundaria a asfixia perinatal. No fue posible interpretar la arritmia observada en el presente caso de modo concluyente, ya que el caracter cambiante del marcapaso y de las alteraciones del ritmo, dificultan en ubicacion diagnostica de esta como bloqueo A-V congenito, taquicardia paroxistica supraventricular o ventricular que son los trastornos del ritmo mas frecuentes en el periodo neonatal
Subject(s)
Arrhythmias, Cardiac , Asphyxia NeonatorumSubject(s)
Infant, Newborn, Diseases/diagnosis , Sepsis/diagnosis , Humans , Infant, Newborn , MethodsABSTRACT
A total of 288 determinations of blood pressure were practiced in newborns using an ultrasonic unit with the purpose of establishing the blood pressure in the newborn during the neonatal transitional period in a sampling cycle divided into four stages (0:30, 4:00, 6:00 and 10:00 hours). The results were analyzed in a descriptive fashion by means of variation indexes that show the changes occurred in B.P. between one and the other stages of the sampling cycle.
Subject(s)
Blood Pressure , Infant, Newborn , Age Factors , Birth Weight , Blood Pressure Determination/methods , Female , Gestational Age , Humans , Male , UltrasonographyABSTRACT
At the Servicio de Medicina Perinatal Pediátrica of the Centro Hospitalario "20 de Noviembre" of the ISSSTE, 141 samples of bilirubin were obtained from 47 icteric newborns within the first 72 hours of hospitalization. Determinations were made for total serum bilirubin, indirect and total capillary bilirubins. The results obtained were submitted to analysis of plain linear regression followed by determination of correlation coefficient to establish statistical reliability. The capillary samples showed a greater statistical reliability by a lesser dispersion index. The determination of capillary bilirubin makes necessary the investigation by microtechnics of the potentially toxic fraction of bilirubin. However in the indistinct utilization of capillary and central venous samples, capillary values may be more useful because their reading is more reliable.
