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Effect of pupil dilation on intraocular pressure in preterm and term infants / O efeito da dilatação da pupila na pressão intraocular em bebês pré-termo e a termo
Çiçek, Ayşe; Acar, Damla Ergintürk; Baştuğ, Osman; Birgin, Hatice; Ataş, Mustafa; Alabay, Bedirhan; Duru, Necati.
  • Çiçek, Ayşe; Kayseri Education and Research Hospital. Department of Ophthalmology. Kayseri. TR
  • Acar, Damla Ergintürk; Zekai Tahir Burak Womens Health Training and Research Hospital. Department of Ophthalmology. Ankara. TR
  • Baştuğ, Osman; Kayseri Education and Research Hospital. Department of Pediatrics. Kayseri. TR
  • Birgin, Hatice; Kayseri Education and Research Hospital. Department of Ophthalmology. Kayseri. TR
  • Ataş, Mustafa; Kayseri Education and Research Hospital. Department of Ophthalmology. Kayseri. TR
  • Alabay, Bedirhan; Kayseri Education and Research Hospital. Department of Ophthalmology. Kayseri. TR
  • Duru, Necati; Kayseri Education and Research Hospital. Department of Ophthalmology. Kayseri. TR
Arq. bras. oftalmol ; 85(5): 485-489, Sept.-Oct. 2022. tab
Article in English | LILACS-Express | LILACS | ID: biblio-1403445
ABSTRACT
ABSTRACT

Purpose:

To evaluate the effect of pupil dilation on intraocular pressure in preterm and term newborns.

Methods:

This prospective study involved 55 eyes of 28 preterm infants and 38 eyes of 20 term infants. The infants were divided into two groups according to their gestational ages at birth as follows preterm group, <37 weeks and term group, ≥37 weeks. Pupil dilation was attained with tropicamide 0.5% and phenylephrine 2.5%. Intraocular pressure measurements were performed with Icare PRO (Icare Finland Oy, Helsinki, Finland) before and after pupil dilation. A paired t test was used to compare the measurements before and after pupil dilation.

Results:

The mean intraocular pressure change was -1.04 ± 3.03 mmHg (6.20/-11.40 mmHg) in the preterm group and -0.39 ± 2.81 mmHg (4.60/-9.70 mmHg) in the term group. A statistically significant difference in intraocular pressure was observed only in the preterm group after pupil dilation (p=0.01).

Conclusion:

An unexpected alteration in intraocular pressure in newborns may occur after pupil dilation, especially in preterm infants.
RESUMO
RESUMO

Objetivo:

Avaliar o efeito da dilatação da pupila sobre a pressão intraocular em recém-nascidos pré-termo e a termo.

Métodos:

Este estudo prospectivo envolveu 55 olhos de 28 bebês pré-termo e 38 olhos de 20 bebês a termo. Os bebês foram divididos em dois grupos, pré-termo e a termo, de acordo com a idade gestacional ao nascimento grupo pré-termo <37 semanas; grupo a termo ≥37 semanas. A dilatação da pupila foi feita com tropicamida 0,5% e fenilefrina 2,5%. As medições da pressão intraocular foram realizadas com Icare PRO (Icare Finland Oy, Helsinki, Finlândia) antes e depois da dilatação da pupila. O teste t pareado foi usado para comparar as medidas antes e depois da dilatação da pupila.

Resultados:

A alteração média da pressão intraocular foi de -1,04 ± 3,03 mmHg (+6,20/-11,40 mmHg) no grupo pré-termo e -0,39 ± 2,81 mmHg (+4,60/-9,70 mmHg) no grupo a termo. Uma diferença estatisticamente significativa na pressão intraocular foi observada apenas no grupo pré-termo após a dilatação da pupila (p=0,01).

Conclusão:

Após a dilatação da pupila, pode ocorrer alteração inesperada da pressão intraocular em recém-nascidos, principalmente em bebês pré-termo.


Full text: Available Index: LILACS (Americas) Type of study: Observational study Language: English Journal: Arq. bras. oftalmol Journal subject: Ophthalmology Year: 2022 Type: Article Affiliation country: Turkey Institution/Affiliation country: Kayseri Education and Research Hospital/TR / Zekai Tahir Burak Womens Health Training and Research Hospital/TR

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Full text: Available Index: LILACS (Americas) Type of study: Observational study Language: English Journal: Arq. bras. oftalmol Journal subject: Ophthalmology Year: 2022 Type: Article Affiliation country: Turkey Institution/Affiliation country: Kayseri Education and Research Hospital/TR / Zekai Tahir Burak Womens Health Training and Research Hospital/TR