Physiological evaluation of premature infants in traditional and humanized weighing: a quasi-experimental study

Araújo, Bárbara Bertolossi Marta de; Monteiro, Letícia Gomes; Soares, Juliana Mello Duarte; Brito, Flávia dos Santos Barbosa; Silva, Laura Johanson da; Nunes, Michelle Darezzo Rodrigues; Marta, Cristiano Bertolossi; Pacheco, Sandra Teixeira de Araújo

doi:10.1590/1983-1447.2022.20220117.en

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Original Article - Knowledge translation and advances in health and nursing practices • Rev. Gaúcha Enferm. 43 (spe) • 2022 • https://doi.org/10.1590/1983-1447.2022.20220117.en copy

Physiological evaluation of premature infants in traditional and humanized weighing: a quasi-experimental study

Evaluación fisiológica de prematuros en pesaje tradicional y humanizado: un estudio cuasi experimental

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Objective

To describe and compare the physiological signs presented by premature infants in traditional and humanized weighing.

Method

A quasi-experimental crossover study, with a sample of 30 premature infants randomly assigned and allocated to the control group (traditional) and the intervention group (humanized), from March 2019 to March 2020, with the collection of general data, vital signs before and after the procedures. Statistical analyses included description of relative and absolute frequencies, measure of central tendency and dispersion.

Results

Premature infants showed less increase in heart rate (53.3%) and respiratory rate (43%) in the verification of humanized weighing than in the traditional way, with 83.3% of neonates and 80%, respectively.

Conclusion

It was observed that the humanized form provided less physiological instability, especially in heart and respiratory rates, making it necessary to encourage discussions about the humanization of care and perform this practice routinely in health units.

Keywords
Infant premature; Body weight; Body temperature; Humanization of assistance

Clinical measurements	Type of weighing						p-value¹
	Traditional (n=30)			Humanized (n=30)
	Median	Interquartile range 25 75		Median	Interquartile range
Weighing time (seconds)	21.5	16.3	30	14	11.8	20	0.01*
CGI (days)	252	245.5	260	251	246	258	0.65
CGI	36	35	37	36	35	37	0.66
Temperature (ºC)	36.4	36.2	37	36.5	36.3	37	0.65
Before weighing
Heart rate (BPM)	155.6	141	162	157	144	168.3	0.82
Respiratory rate (BPM)	48	42	56.3	49.5	43.8	62.5	0.37
Saturation (SPO2)	96	95	97.5	96	95	98.3	0.9
After weighing
Heart rate (BPM)	162.5	156.7	180.8	162.5	149	165.5	0.06
Respiratory rate (BPM)	52	49	63.5	50.5	42.8	56.3	0.04*
Saturation (SPO2)	97	95.7	99.5	96	94.8	99	0.28

Clinical measurements	Type of weighing						p-value*
	Traditional (n=30)			Humanized (n=30)
	Median	Interquartile range		Median	Interquartile range
Differences (before and after)
Temperature (°C)	-0,1	-0.5	0	0	-0.3	0	0.01*
Heart rate (BPM)	16.5	5.5	23.7	2	-7.2	14	0.03*
Respiratory rate (BPM)	7	1.75	11	-0.5	-9.2	8.25	0.04*
Saturation (SPO₂)	0	-1	3	2	1	3	0.03*

Clinical measurements	Type of weighing				p-value*
	Traditional (n=30)		Humanized (n=30)
	N	%	N	%
Temperature loss (°C)
Yes	16	53.3	11	36.7	0.19
No	14	46.7	19	63.3	0.19
Increased heart rate (BPM)
Yes	25	83.3	16	53.3	0.02*
No	5	16.7	14	46.7	0.02*
Increased respiratory rate (BPM)
Yes	24	80	13	43.3	0.03*
No	6	20	17	56.7	0.03*
Decreased saturation (SPO2)
Yes	11	36.7	12	40	0.78
No	19	63.3	18	60	0.78

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[1] Corresponding author
Bárbara Bertolossi Marta de Araújo Endereço: betabertolossi@gmail.com