Review Article
Lung Physiology and Obesity: Anesthetic Implications for Thoracic Procedures
Table 1
Changes in static and dynamic lung volumes in obese patients [
4,
5,
8,
17].
| | Respiratory changes | | Decreased | Unchanged | Increased |
| | FRC | FVC/FEV1 | WOB | | ERV | | VO2 | | FEV1 | | DLCO | | FVC | | | | CL | | | | CCW | | | | MMV | | | | VC | | | | TLC | | | | RV | | |
|
|
Abbreviations: FRC: functional residual capacity; ERV: expiratory reserve volume; FEV1: forced expiratory volume; FVC: forced vital capacity; CL: compliance lung; CCW: compliance chest wall; MMV: maximum voluntary ventilation; VC: vital capacity; TLC: total lung capacity; RV: residual volume; WOB: work of breathing; VO2: maximum oxygen consumption; DLCO: diffusing lung capacity for carbon monoxide.
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