Table 2 Detailed results of nerve conduction study, MRC scale for peripheral muscle weakness and WIND score for diaphragmatic weakness leading to weaning difficulties
From: Early detection of ICU-acquired weakness in septic shock patients ventilated longer than 72 h
N° | First nerve conduction study | PENT (mV) evolution R / L (day from intubation) | Muscle strength according to MRC Pathological below 48/60 points (day from intubation) | WIND score 0: died before attempt 1: short 2: difficult 3: prolonged | Clinical diagnosis | Electro-myographical diagnosis | ||
|---|---|---|---|---|---|---|---|---|
PENT (mV) R / L (day from intubation) | Sural SNAP (μV) R / L | Sural SNAP velocity in m/s | ||||||
1 | 1.1 / - (day 3) | 7.9 / - | 56.3 | - / - | - | 0 | - | CIM |
2 | 1.3 / - (day 3) | 7.5 / - | 55.9 | - / - | - | 1 | - | CIP |
3 | 0.0 / - (day 4) | 4.0 / - | - | - / - | - | 1 | Re-admitted for ICUAW | CIP |
4 | 1.1 / - (day 5) | 13.0 / - | 44.8 | 0,6 / - (day 19) | 38 (day 26) | 3, can be explained by COPD | ICUAW of limbs | CIM |
5 | 1.7 / - (day 17) | 7.0 / - | 50.4 | 1.3 / 1.7 (day 24) | 60 (day 34) | 3 | ICUAW of diaphragm | Normal |
6 | 0.8 / 0.3 (day 9) | - / - | - | - / - | - | 1 | - | Possible CIP/CIM but no SNAP |
7 | 0.9 / 0.9 (day 5) | 0.0 / 0.0 | - | - / - | 45 (day 17) | 3 | ICUAW of limbs and diaphragm | CIP, CIM |
8 | 0.2 / 0.5 (day 7) | 0.0 / - | - | 0.4 / - (day 14) | - | 0 | - | CIP |
9 | 2.2 / - (day 4) | 0.0 / - | - | 1.4 / 0.7 (day 7) | 27 (day 20) | 3, can be explained by COPD | ICUAW of limbs | CIP |
10 | 3.0 / 2.5 (day 3) | - / - | - | 1.4 / 1.2 (day 7) | - | 2 | ICUAW of diaphragm | Possible CIP/CIM but no SNAP |
11 | 0.7 / 0.6 (day 9) | - / - | - | 0.6 / 1.7 (day 16) | 33 (day 13) | 2, can be explained by COPD | ICUAW of limbs | Possible CIP/CIM but no SNAP |
12 | 0.5 / 0.6 (day 4) | - / - | - | - / - | 59 (day 4) | 2 | ICUAW of diaphragm | Possible CIP/CIM but no SNAP |
13 | 2.1 / 2.4 (day 7) | - / - | - | - / - | - | 2 | ICUAW of diaphragm | Normal |
14 | 1.3 / 1.4 (day 4) | 3.8 / 0.0 | 61.4 | - / - | - | 2 | ICUAW of diaphragm | CIP |
15 | 0.3 / - (day 4) | 0.0 / 1.5 | - | 0.1 / 0.4 (day 8) | 18 (day 14) | 1 | ICUAW of limbs | CIP |
16 | 0.0 (day 4) | - / - | - | - / - | - | 0 | - | Possible CIP/CIM but no SNAP |
17 | 0.7 / 2.6 (day 7) | 7.3 / - | 74.1 | - / - | 38 (day 8) | 1 | ICUAW of limbs | CIM |
18 | 1.1 / 1.7 (day 3) | - / - | - | 2.2 / 1.8 (day 7) | - | 3, can be explained by COPD | - | Possible CIP/CIM but no SNAP |