Table 2.
Patient characteristics during the 48 hours following randomization
|
Variables |
Continuous control of P
cuff
n = 64 |
Routine care n = 64 |
p |
Continuous control of P
cuff
n = 64 |
p |
Routine care n = 64 |
p |
||
|---|---|---|---|---|---|---|---|---|---|
| Tapered cuff n = 32 | Cylindrical cuff n = 32 | Tapered cuff n = 32 | Cylindrical cuff n = 32 | ||||||
| Quantity of enteral nutrition, ml/day |
1000 |
1000 |
0.433 |
1000 |
1000 |
0.960 |
1000 |
1000 |
0.241 |
| (500–1000) |
(500–1500) |
(500–1000) |
(500–1000) |
(500–1000) |
(500–1500) |
||||
| Gastric residual volume, ml |
0 (0–20) |
0 (0–20) |
0.871 |
0 (0–15) |
0 (0–27) |
0.726 |
0 (0–60) |
0 (0–5) |
0.294 |
| Sedation |
28 (43) |
29 (45) |
> 0.999 |
14 (43) |
14 (43) |
>0.999 |
15 (46) |
14 (43) |
>0.999 |
| Ramsay score |
2 (2–3) |
2 (2–3) |
0.641 |
2 (2–3) |
2 (2–3) |
0.718 |
2 (2–3) |
2 (2–3) |
0.729 |
| Neuromuscular blocking agent use |
6 (9) |
7 (10) |
> 0.999 |
3 (9) |
3 (9) |
>0.999 |
3 (9) |
4 (12) |
>0.999 |
| Glasgow coma score |
14 (10–15) |
15 (10–15) |
0.310 |
13 (10–15) |
14 (8–15) |
0.738 |
14 (10–15) |
15 (8–15) |
0.908 |
| PEEP |
6 (5–8) |
6 (5–9) |
0.943 |
6 (5–8) |
7 (5–9) |
0.234 |
6 (5–9) |
7 (5–9) |
0.166 |
| Ventilatory mode |
|
|
0.329 |
|
|
0.885 |
|
|
0.433 |
| ACV |
36 (56) |
37 (57) |
|
18 (56) |
18 (56) |
|
21 (65) |
16 (50) |
|
| PSV |
23 (35) |
25 (39) |
|
11 (34) |
12 (37) |
|
10 (31) |
15 (46) |
|
| BPPV |
5 (7) |
2 (3) |
|
3 (9) |
2 (6) |
|
1 (3) |
1 (3) |
|
| Stress ulcer prophylaxis or treatment |
|
|
>0.999 |
|
|
0.688 |
|
|
0.109 |
| Sucralfate |
32 (50) |
32 (50) |
|
15 (46) |
17 (53) |
|
13 (40) |
19 (59) |
|
| Proton pump inhibitors |
25 (39) |
25 (39) |
|
13 (40) |
12 (37) |
|
13 (40) |
12 (37) |
|
| Prokinetic drugs |
12 (18) |
12 (18) |
> 0.999 |
6 (18) |
6 (18) |
>0.999 |
7 (21) |
5 (15) |
0.749 |
| Vomiting |
3 (4) |
1 (1) |
0.625 |
0 |
3 (9) |
0.237 |
1 (3) |
0 |
>0.999 |
| Head-of-bed position | 40 (35–40) | 40 (35–40) | 0.846 | 40 (35–45) | 40 (35–40) | 0.602 | 40 (35–40) | 40 (35–45) | 0.244 |
Data are frequencies (%) or median (Interquartile range).
Pcuff, cuff pressure; PEEP, positive end-expiratory pressure; ACV, assist-control ventilation; PSV, pressure support ventilation; BPPV, bilevel positive pressure ventilation.