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1.
An. pediatr. (2003, Ed. impr.) ; 77(6): 381-385, dic. 2012. graf, tab
Article in Spanish | IBECS | ID: ibc-108414

ABSTRACT

Introducción: La determinación de pruebas metabólicas en los recién nacidos (hipotiroidismo y fenilcetonuria) mediante punción de talón es un método doloroso. La venopunción podría suponer un método alternativo de extracción. Objetivos: Evaluar la eficacia y la repuesta al dolor obtenida mediante punción venosa en el dorso de la mano en comparación con la punción de talón en la realización de pruebas metabólicas, y la detección de posibles diferencias en cuanto a los resultados de TSH. Material y métodos: Estudio observacional descriptivo aleatorizado con 607 recién nacidos consecutivos asignados a 2 grupos: grupo venopunción (n=280), y grupo punción de talón (n=327). Se estudió la respuesta al dolor utilizando una escala de dolor (escala NIPS), y latencia y duración del llanto, eficacia de la prueba valorando el número de punciones necesarias y duración de la prueba, y comparación de falsos positivos para el hipotiroidismo congénito. Resultados: La extracción por venopunción fue menos dolorosa que la realizada mediante punción de talón en la escala NIPS (scores de 2 vs 5, p<0,001). Iniciaron llanto en el primer minuto el 57,8% de los niños con venopunción frente al 90,2% de los niños con punción de talón (p<0,0001). Los niños con venopunción lloraron menos tiempo (58 s) que los niños con extracción por punción de talón (104 s). La duración de la prueba y el número de pinchazos necesarios fueron también menores con la venopunción (60 vs. 120 s). No hubo diferencias en cuanto al número de casos con TSH mayor de 5 o mayor o igual a 9 mU/ml. Conclusiones: La venopunción para la realización de pruebas metabólicas es más rápida y menos dolorosa, y no aumenta la frecuencia de falsos positivos en el cribado del hipotiroidismo(AU)


Introduction: Using heel puncture by lancets for the determination of metabolic tests (hypothyroidism and phenylketonuria) using heel puncture is a very painful procedure. Venepuncture can be used as an alternative. Objectives: To determine whether venepuncture in the dorsal side of the hand is less painful and more efficient than heel puncture in the screening test for inborn errors of metabolism, as well as comparing false positives in the hypothyroidism test. Material and methods: We tested 607 consecutives newborns in an observational, randomised study (280 with venepuncture, and 327 with heel puncture). Pain response was assessed using the Neonatal/Infant Pain Scale (NIPS), and the delay and duration of the first cry. We measured the number of punctures needed, and the time taken to complete the test, as well as the number of false positives in the hypothyroidism test. Results: Venepuncture was less painful than heel prick (NIPS 2 vs 5, P<0.001), as well as in the delay (crying in 57.8% vs 90.2%, P<0.0001) and duration of the cry (58 vs 104 seconds). Venepuncture was also faster (60 vs 120 seconds), and required less puncture attempts. There were no differences in cases with TSH greater than 5mU/mL, or greater than or equal to 9 mU/mL. Conclusions: Venepuncture is associated with less pain, is faster to perform and not is associated with more false positive cases(AU)


Subject(s)
Humans , Male , Female , Infant, Newborn , Punctures/methods , Metabolic Diseases/diagnosis , /methods , Infant, Newborn, Diseases/blood , Neonatal Screening/methods
2.
An Pediatr (Barc) ; 77(6): 381-5, 2012 Dec.
Article in Spanish | MEDLINE | ID: mdl-22575454

ABSTRACT

INTRODUCTION: Using heel puncture by lancets for the determination of metabolic tests (hypothyroidism and phenylketonuria) using heel puncture is a very painful procedure. Venepuncture can be used as an alternative. OBJECTIVES: To determine whether venepuncture in the dorsal side of the hand is less painful and more efficient than heel puncture in the screening test for inborn errors of metabolism, as well as comparing false positives in the hypothyroidism test. MATERIAL AND METHODS: We tested 607 consecutives newborns in an observational, randomised study (280 with venepuncture, and 327 with heel puncture). Pain response was assessed using the Neonatal/Infant Pain Scale (NIPS), and the delay and duration of the first cry. We measured the number of punctures needed, and the time taken to complete the test, as well as the number of false positives in the hypothyroidism test. RESULTS: Venepuncture was less painful than heel prick (NIPS 2 vs 5, P<.001), as well as in the delay (crying in 57.8% vs 90.2%, P<.0001) and duration of the cry (58 vs 104 seconds). Venepuncture was also faster (60 vs 120seconds), and required less puncture attempts. There were no differences in cases with TSH greater than 5mU/mL, or greater than or equal to 9 mU/mL. CONCLUSIONS: Venepuncture is associated with less pain, is faster to perform and not is associated with more false positive cases.


Subject(s)
Hand , Neonatal Screening/methods , Pain Measurement , Phlebotomy , Female , Heel , Humans , Infant, Newborn , Male , Metabolism, Inborn Errors/blood , Metabolism, Inborn Errors/diagnosis , Thyrotropin/blood
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