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1.
J Perinatol ; 44(3): 373-378, 2024 Mar.
Article in English | MEDLINE | ID: mdl-38308011

ABSTRACT

BACKGROUND: Neonatal pulse oximetry screening (POS) algorithms for critical congenital heart disease (CCHD) have contributed towards decreasing neonatal mortality but cannot be applied at high altitudes. New POS algorithms at high altitudes are needed. METHODS: This observational, prospective study included newborns born at different altitudes from 0 to 4380 meters above the sea level in Peru. Healthy newborns underwent neonatal preductal and postductal oximetry, echocardiography and telephonic follow-up up to 12 months of age. Newborns with CCHD underwent preductal and postductal oximetry at the time of telemedicine evaluation while located at the high-altitude hospital where they were born, and their diagnoses were confirmed with echocardiography locally or after arriving to the referral center. Two new algorithms were designed using clinically accepted neonatal oximetry cutoffs or the 5th and 10th percentiles for preductal and postductal oximetry values. RESULTS: A total of 502 healthy newborns and 15 newborns with CCHD were enrolled. Echocardiography and telephonic follow-up were completed in 227 (45%) and 330 healthy newborns (65%), respectively. The algorithm based on clinically accepted cutoffs had a sensitivity of 92%, specificity of 73% and false positive rate of 27% The algorithm based on the 5th and 10th percentiles had a sensitivity of 80%, specificity of 88% and false positive rate of 12%. CONCLUSIONS: Two algorithms that detect CCHD at different altitudes had adequate performance but high false positive rates.


Subject(s)
Altitude , Heart Defects, Congenital , Humans , Infant, Newborn , Prospective Studies , Heart Defects, Congenital/diagnostic imaging , Oximetry , Neonatal Screening , Algorithms
2.
CIMEL ; 10(1): 29-40, 2005. tab, graf
Article in Spanish | LIPECS | ID: biblio-1107140

ABSTRACT

Objetivo: Determinar los niveles de conocimientos e identicar las actitudes hacia los anticonceptivos orales de emergencia (PAE) en los médicos ginecoobstetras y obstetrices del Instituto Materno Perinatal. Metodología: Se realizó un muestreo probabilístico de tipo aleatorio simple, obteniéndose una muestra ajustada de 47 ginecoobstetras y obstetrices del Instituto Materno Perinatal. Metodología: Se realizó un muestreo probabilístico de tipo aleatorio simple, obteniéndose una muestra ajustada de 47 ginecoobstetras y 108 obstetrices del Instituto Materno Perinatal. A dichos sujetos se les aplicó un cuestionario autodesarrollado, para medir los niveles de conocimientos e identificar sus actitudes hacia las PAE. Resultados: Se encontró tanto para los médicos ginecoobstetras y obstetrices respectivamente: 66 por ciento y 34,3 por ciento poseen un buen nivel de conocimiento; 91,5 por ciento y 79.6 por ciento están de acuerdo con la difusión del conocimiento y uso de las PAE; 70.2 por ciento y 37 por ciento lo han prescrito y/o recomendado; 66.0 por ciento y 62 por ciento no lo consideran abortivos; 72,3 por ciento y 62 por ciento consideran que restringir las PAE es limitar los derechos de la mujer. Se encontró además una asociación entre: nivel de conocimientos y profesión (X2 13.759 p=0.001); nivel de conocimiento y prescripción (X2 12.100 p=0.002); prescripción y profesión (X2 12.691 p<0.001). Conclusiones: Existe deficiencias en el conocimiento por parte del personal de salud sobre las PAE. Y existen actitudes y opiniones ampliamente favorables hacia estas píldoras.


Subject(s)
Adult , Middle Aged , Humans , Contraceptives, Oral , Health Knowledge, Attitudes, Practice , Physicians , Midwifery
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