Analysis of the prevalence of atelectasis in patients undergoing bariatric surgery

Baltieri, Letícia; Peixoto-Souza, Fabiana Sobral; Rasera-Junior, Irineu; Montebelo, Maria Imaculada de Lima; Costa, Dirceu; Pazzianotto-Forti, Eli Maria

doi:10.1016/j.bjane.2014.11.016

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Scientific Articles • Rev. Bras. Anestesiol. 66 (6) • Nov-Dec 2016 • https://doi.org/10.1016/j.bjane.2014.11.016 copy

Analysis of the prevalence of atelectasis in patients undergoing bariatric surgery^☆ ☆ Institution: Universidade Metodista de Piracicaba (Unimep), Piracicaba, SP, Brazil.

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Background and objective:

To observe the prevalence of atelectasis in patients undergoing bariatric surgery and the influence of the body mass index (BMI), gender and age on the prevalence of atelectasis.

Method:

Retrospective study of 407 patients and reports on chest X-rays carried out before and after bariatric surgery over a period of 14 months. Only patients who underwent bariatric surgery by laparotomy were included.

Results:

There was an overall prevalence of 37.84% of atelectasis, with the highest prevalence in the lung bases and with greater prevalence in women (RR = 1.48). There was a ratio of 30% for the influence of age for individuals under the age of 36, and of 45% for those older than 36 (RR = 0.68). There was no significant influence of BMI on the prevalence of atelectasis.

Conclusion:

The prevalence of atelectasis in bariatric surgery is 37% and the main risk factors are being female and aged over 36 years.

KEYWORDS
Morbid obesity; Bariatric surgery; Pulmonary atelectasis; Physiotherapy specialty

	Mean ± SD	Range
Age (years)	36.96 ± 10.16	18–68
Height (cm)	163.40 ± 8.33	142–194
Body mass (kg)	121.05 ± 21.99	79.8–238.3
Excess body weight (kg)^a a Based on the ideal body weight recommended by the Metropolitan Life Foundation.14	65.98 ± 20.35	26–174.2
BMI (kg/m²)	45.16 ± 6.33	35.46–74.37

	n	%
Gender
Female	337	82.8
Male	70	17.2

BMI
<40	92	22.6
40–49	224	55.04
≥50	84	20.64

Smoker
Yes	32	7.86
No	346	85.01

Ex-smoker
Yes	29	7.13
No	317	77.89

Location of atelectasis	n (%)
Right lung
Base	26 (6.58)
Third middle	5 (1.27)
Apex	1 (0.25)
Base and third middle	1 (0.25)

Left lung
Base	24 (6.08)
Third middle	9 (2.28)
Apex	1 (0.25)
Total	2 (0.51)

Bilateral
Bases	58 (14.68)
Predominance on left	9 (2.28)
Predominance on right	7 (1.77)
Third middle	5 (1.27)
Bases and third middle	2 (0.51)
Others	4 (1.01)

Sociedade Brasileira de Anestesiologia R. Professor Alfredo Gomes, 36, 22251-080 Botafogo RJ Brasil, Tel: +55 21 2537-8100, Fax: +55 21 2537-8188 - Campinas - SP - Brazil
E-mail: bjan@sbahq.org

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[1] * Corresponding author. E-mail:empforti@unimep.br (E.M. Pazzianotto-Forti).

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Analysis of the prevalence of atelectasis in patients undergoing bariatric surgery☆ ☆ Institution: Universidade Metodista de Piracicaba (Unimep), Piracicaba, SP, Brazil.

Abstract

Background and objective:

Method:

Results:

Conclusion:

Analysis of the prevalence of atelectasis in patients undergoing bariatric surgery^☆ ☆ Institution: Universidade Metodista de Piracicaba (Unimep), Piracicaba, SP, Brazil.