Can the Obesity Surgery Mortality Risk Score predict postoperative complications other than mortality?

Piotr Major; Michał Wysocki; Michał Pędziwiatr; Piotr Małczak; Magdalena Pisarska; Marcin Migaczewski; Marek Winiarski; Andrzej Budzyński

doi:10.5114/wiitm.2016.64448

eISSN: 2299-0054
ISSN: 1895-4588

Videosurgery and Other Miniinvasive Techniques

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4/2016
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abstract:

Original paper

Can the Obesity Surgery Mortality Risk Score predict postoperative complications other than mortality?

Piotr Major

,

Michał Wysocki

,

Michał Pędziwiatr

,

Piotr Małczak

,

Magdalena Pisarska

,

Marcin Migaczewski

,

Marek Winiarski

,

Andrzej Budzyński

Videosurgery Miniinv 2016; 11 (4): 247–252

DOI: https://doi.org/10.5114/wiitm.2016.64448

Online publish date: 2016/12/06

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Introduction: Laparoscopic sleeve gastrectomy (LSG) and laparoscopic Roux-en-Y gastric bypass (LRYGB) are bariatric procedures with acceptable risk of postoperative morbidities and mortalities, but identification of high-risk patients is an ongoing issue. DeMaria et al. introduced the Obesity Surgery Mortality Risk Score (OS-MRS), which was designed for mortality risk assessment but not perioperative morbidity risk.

Aim: To assess the possibility to use the OS-MRS to predict the risk of perioperative complications related to LSG and LRYGB.

Material and methods: Retrospective analysis of patients operated on for morbid obesity was performed. Patients were evaluated before and after surgery. We included 408 patients (233 LSG, 175 LRYGB). Perioperative complications were defined as adverse effects in the 30-day period. The Clavien-Dindo scale was used for description of complications. Patients were assigned to five grades and three classes according to the OS-MRS results, then risk of morbidity was analyzed.

Results: Complications were observed in 30 (7.35%) patients. Similar morbidity was related to both procedures (OR = 1.14, 95% CI: 0.53–2.44, p = 0.744). The reoperation and mortality rates were 1.23% and 0.49% respectively. There were no significant differences in median OS-MRS value between the group without and the group with perioperative complications. There were no significant differences in OS-MRS between groups (p = 0.091). Obesity Surgery Mortality Risk Score was not related to Clavien-Dindo grades (p = 0.800).

Conclusions: It appears that OS-MRS is not useful in predicting risk of perioperative morbidity after bariatric procedures.

keywords:

Can the Obesity Surgery Mortality Risk Score predict postoperative complications other than mortality?

Piotr Major , Michał Wysocki , Michał Pędziwiatr , Piotr Małczak , Magdalena Pisarska , Marcin Migaczewski , Marek Winiarski , Andrzej Budzyński

complications, bariatric surgery, Obesity Surgery Mortality Risk Score

Piotr Major

,

Michał Wysocki

,

Michał Pędziwiatr

,

Piotr Małczak

,

Magdalena Pisarska

,

Marcin Migaczewski

,

Marek Winiarski

,

Andrzej Budzyński