Table 3 Ventilation distribution and respiratory parameters of patients undergoing peripheral surgery
Preoperative (n = 30) | 1st postop. Day (n = 30) | 3rd postop. Day (n = 28) | |
|---|---|---|---|
COVy | |||
forced | 16.6 (15.5–17.1) | 16.7 (16.3–17.4) | 16.6 (15.8–17.2) |
at rest | 16.1 (14.9–17.1)$ | 16.6 (15.8–17.3) | 15.5 (14.7–17)$ |
COVx | |||
forced | 16.2 (15.8–16.6) | 16.2 (15.8–16.7) | 16.2 (15.8–16.7) |
at rest | 15.7 (15–16.2)$ | 15.7 (15.1–16)$ | 15.7 (15–16.4)$ |
FVC%predicted | 88 (64–98) | 82 (65–95)* | 94 (74–99) |
FEV1%predicted | 85 (54–98) | 81 (63–94)* | 88 (64–105) |
Tiffeneau index | 0.75 (0.64–0.81) | 0.79 (0.69–0.81) | 0.77 (0.73–0.81) |
SpO2% | 96 (94–97) | 95 (93–96)* | 96 (95–97) |
Respiratory rate /min | 14 (12–16) | 17 (14–18)* | 16 (12–19) |
Pain NRS | |||
forced | 0 (0–0) | 0 (0–2) | 0 (0–0.5) |
at rest | 0 (0–3) | 2 (1–4)* | 1 (0–2) |
Continuous nerve block | 0 (0%) | 0 (0%) | |
Respiration | |||
room air | 29 (97%) | 25 (83%) | 25 (89%) |
supplemental oxygen | 1 (3%) | 5 (17%) | 3 (11%) |
mechanical ventilation | 0 | 0 | 0 |
Dyspnea | |||
no | 26 (87%) | 29 (97%) | 26 (93%) |
slight | 3 (10%) | 1 (3%) | 2 (7%) |
moderate | 1 (3%) | 0 (0%) | 0 (0%) |
severe | 0 (0%) | 0 (0%) | 0 (0%) |