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BMC Surgery
Published in: BMC Surgery 1/2018

Open Access 01-12-2018 | Research article

Obesity paradox in patients undergoing lung lobectomy – myth or reality?

Authors: Lubomír Tulinský, Marcel Mitták, Hana Tomášková, Petr Ostruszka, Igor Penka, Peter Ihnát

Published in: BMC Surgery | Issue 1/2018

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Abstract

Background

The aim of the present study was to evaluate the impact of BMI on the short-term outcomes of patients undergoing lung lobectomy.

Methods

This was a retrospective clinical cohort study conducted in a single institution to assess the short-term outcomes of obese patients undergoing lung resection. Intraoperative and postoperative parameters were compared between the two study subgroups: obese (BMI ≥30 kg/m2) and non-obese patients (BMI < 30 kg/m2).

Results

In total, 203 patients were enrolled in the study (70 obese and 133 non-obese patients). Both study subgroups were comparable with regards to demographics, clinical data and surgical approach (thoracoscopy vs. thoracotomy). The surgery time was significantly longer in obese patients (p = 0.048). There was no difference in the frequency of intraoperative complications between the study subgroups (p = 0.635).
The postoperative hospital stay was similar in both study subgroups (p = 0.366). A 30-day postoperative morbidity was higher in a subgroup of non-obese patients (33.8% vs. 21.7%), but the difference was not significant (p = 0.249). In the subgroup of non-obese patients, a higher frequency of mild and severe postoperative complications was observed. However, the differences between the study subgroups were not statistically significant due to the borderline p-value (p = 0.053). The 30-day postoperative mortality was comparable between obese and non-obese patients (p = 0.167).

Conclusions

Obesity does not increase the incidence and severity of intraoperative and postoperative complications after lung lobectomy. Slightly better outcomes in obese patients indicate that obesity paradox might be a reality in patients undergoing lung resection.
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Metadata
Title
Obesity paradox in patients undergoing lung lobectomy – myth or reality?
Authors
Lubomír Tulinský
Marcel Mitták
Hana Tomášková
Petr Ostruszka
Igor Penka
Peter Ihnát
Publication date
01-12-2018
Publisher
BioMed Central
Published in
BMC Surgery / Issue 1/2018
Electronic ISSN: 1471-2482
DOI
https://doi.org/10.1186/s12893-018-0395-2

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