Implantação da pulso-oximetria (teste do coraçãozinho) na triagem de cardiopatias congênitas críticas em uma maternidade pública de Sergipe – Projeto Piloto

Abstract

Objective: To demonstrate the feasibility of oximetry (test little heart) to screen for critical congenital heart disease, using few resources in a public hospital. Methods: Prospective, uncontrolled trial, where the technique of pulse oximetry was applied to newborns> 34 weeks, between 20 to 48 hours of life, April-May 2014. Physical examination conducted the search of clinical signs heart disease. Pulse oximetry was performed on the right upper member and a lower member for five minutes. Considered suggestive of heart disease critical saturation in a member <95% or a difference in measurement between members ≥ 3%. Results: 47 newborns, in which 10.6% had formal indication for echocardiography were included. None of the evaluated patients had heart failure or cyanosis. The mean oxygen saturation was 97.6% and 97.8% for the right upper limb and 97.4% for the lower limb. The time to stabilize the pulse wave had a mean of 105.1 s (1 minute and 45 seconds) for the right hand and 84.2 s (1 minute and 24 seconds) for the feet. Use oral glucose to facilitate technique was necessary only in 2 (4.2%). At the end, the babies remained calm, with no sign of injury at the oximetry. Conclusions: Pulse oximetry is a noninvasive, safe, simple method of implementation, performed quickly and at low cost human and material, making feasible its implementation as a routine in any maternity. The 3-minute time seems sufficient for testing.