Background
Methods
Data collection
RYGB surgery
Statistical analyses
Results
Patient and procedure characteristics
Full cohort n = 711 | Missing data | |
---|---|---|
Age (yrs.), median (IQR) | 40 (32–49) | 12 |
Sex, n (%) | 12 | |
Male | 199 (28) | |
Female | 500 (72) | |
BMI (kg/m2), median (IQR) | 45 (41–49) | 12 |
ASA, n (%) | 12 | |
II | 416 (60) | |
III | 278 (40) | |
IV | 5 (1) | |
Comorbidities, n (%) | 12 | |
Hypertension | 353 (50) | |
T2DM | 200 (29) | |
Dyslipidaemia | 89 (13) | |
OSAS | 144 (21) | |
COPD | 32 (5) | |
Reflux/hiatal hernia | 352 (50) | |
Previous gastric banding, n (%) | 83 (12) | 12 |
Surgery time (min), median (IQR) | 145 (120–173) | 12 |
Gastric bypass, n (%) | 25 | |
Laparoscopic | 676 (99) | |
Conversion to open | 10 (1) | |
Blood loss (ml), median (IQR) | 25 (10–50) | 14 |
Monitoring, n (%) | 12 | |
Arterial Catheter | 540 (77) | |
Central venous catheter | 98 (14) | |
Pulmonary artery catheter | 3 (< 1) | |
Intubation, n (%) | 16 | |
Rapid sequence induction, conventional laryngoscopy | 360 (52) | |
Awake fibreoptic | 215 (31) | |
Conventional induction, conventional laryngoscopy | 69 (10) | |
Rapid sequence induction with Sensascope® | 28 (4) | |
Conventional induction, with Sensascope® | 13 (2) | |
Conventional induction, asleep fibreoptic | 9 (1) | |
Mallampati, n (%) | 228 | |
I | 146 (30) | |
II | 216 (45) | |
III | 100 (21) | |
IV | 21 (4) |
Anaesthesia-related complications
Intubation-related events
Extubation-related events
Airway problems and high BMI
Adverse drug reactions
Evaluation of predictors of anaesthesia complications
Covariate | OR and CI | p-value |
---|---|---|
Age (>35y) | 0.55 (0.38–0.76) | < 0.001* |
Surgery time (> 130 min) | 1.26 (0.91–1.75) | 0.2 |
BMI (> 44 kg/m2) | 0.78 (0.55–1.07) | 0.1 |
T2DM | 1.02 (0.71–1.47) | 0.9 |
Anaesthesia (volatile vs. i.v.) | 0.31 (0.18–0.51) | < 0.001* |
Catecholamine use | 1.01 80.67–1.52) | 1.0 |
Covariate | OR and CI | p-value |
---|---|---|
Age (> 35 years) | 0.53 (0.37–0.76) | < 0.001* |
Gender (f vs. m) | 1.91 (1.30–2.87) | < 0.001* |
Surgery time (> 130 min) | 1.28 (0.91–1.82) | 0.15 |
BMI (> 44 kg/m2) | 0.73 (0.52–1.02) | 0.07 |
Anaesthesia (volatile vs. i.v.) | 0.33 (0.20–0.56) | < 0.001* |
T2DM | 1.00 (0.67–1.46) | 1.0 |
Application of antiemetic drug | 1.12 (0.80–1.57) | 0.50 |
Surgical complications in the first 30 postoperative days
Highest complication per patient in the first 30 days according to Clavien-Dindo classification Full cohort, n = 711 | n (%) | Missing data (n) |
---|---|---|
None | 452 (66) | 22 |
With complication | 237 (34) | 22 |
I | 36 (5) | 22 |
II | 113 (16) | 22 |
IIIa | 41 (6) | 22 |
IIIb | 47 (7) | 22 |
IVa | 0 (0) | 22 |
IVb | 0 (0) | 22 |
V | 0 (0) | 22 |
Evaluation of predictors of surgical complications
Covariate | OR and CI | p-value |
---|---|---|
Age (>42y) | 0.85 (0.45–1.63) | 0.6 |
Surgery time (> 170 min) | 2.27 (1.20–4.23) | 0.01* |
BMI (> 37 kg/m2) | 0.46 (0.19–0.97) | 0.04* |
T2DM | 1.42 (0.71–2.75) | 0.3 |
Anaesthesia (volatile vs. i.v.) | 1.01 (0.43–2.83) | 1.0 |
Catecholamine use | 0.74 (0.36–1.64) | 0.4 |
Covariate | OR and CI | p-value |
---|---|---|
Age (>41y) | 1.24 (0.84–1.82) | 0.3 |
Gender (f vs. m) | 1.50 (0.99–2.32) | 0.05 |
Surgery time (> 165 min) | 1.45 (0.98–2.13) | 0.06 |
BMI (> 48 kg/m2) | 1.29 (0.86–1.91) | 0.2 |
T2DM | 1.60 (1.06–2.40) | 0.02* |