Study of cerebral hemodynamic changes in preterm infant and the effect of topical anesthetic eye drops ( benoxinate hydrochloride 0.4% ) on PIPP score and cerebral hemodynamic changes during fundus examination in neonates with gestational age ≤ 34 weeks or birth weight ≤ 2.000 Kg regardless their gestational age , after postnatal day 28.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
68
They will receive benoxinate hydrochloride 0.4% immediately before fundus
They will receive saline 0.9% before fundus examination in each eye .
Marwa Mohamed Farag
Alexandria, Egypt
1-Clinical assessment:
Pain score will be evaluated by using the premature infant pain profile (PIPP) assessed by the caring bedside nurse during fundus examination. It consists of heart rate(beat/minute), peripheral oxygen saturation in the right hand(%), and mean arterial blood pressure (mmHg).
Time frame: 28 days postnatal age (time of screen of retinopathy of prematurity ,ROP)
2-Near-infrared spectroscopy (NIRS):
Measurements of cerebral oxygenation (crSO2) in (%) will be done by using near infrared spectroscopy (NIRS), device (INVOSTM 5100C Cerebral/ Somatic Oximeter Monitor; Covidien) by placing a neonatal brain sensor on the right frontoparietal area of the scalp.
Time frame: 28 days postnatal age (time of screen of retinopathy of prematurity ,ROP)
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