06 August 2020 : Clinical Research
Elevated Lateral Position Improves the Success of Paramedian Approach Subarachnoid Puncture in Spinal Anesthesia before Hip Fracture Surgery in Elderly Patients: A Randomized Controlled Study
Wenchao Zhang1AE, Tianlong Wang2AF, Geng Wang1AE*, Yi Yuan1D, Yan Zhou1BC, Xiaoyu Yang1BC, Minghui Yang3AF, Shaoqiang Zheng1BCDOI: 10.12659/MSM.923813
Med Sci Monit 2020; 26:e923813
Table 2 The anesthesia characteristics between the 2 groups.
| Experimental (ELP)N=45 | Control (LRP)N=45 | t/χ2 | P-value | |
|---|---|---|---|---|
| Dose of intrathecal ropivacaine (mg) | 11.38±0.38 | 11.36±0.36 | 0.127 | 0.899 |
| Distance from midline to paramedian needle insertion point (cm) | 1.28±0.28 | 1.23±0.23 | 1.122 | 0.265 |
| Depth of intrathecal space (cm) | 5.51±1.51 | 5.00±1.00 | 1.550 | 0.125 |
| Interspace level used for dural puncture, n (%) | ||||
| L2/3 | 7 (15.56) | 10 (22.22) | 0.660 | 0.719 |
| L3/4 | 21 (46.67) | 19 (42.22) | ||
| L4~L5 | 17 (37.78) | 16 (26.67) | ||
| Peak sensory dermatome level, n (%) | ||||
| T8 to T10 | 14 (31.11) | 28 (31.11) | 0.000 | 1.000 |
| T10 to T12 | 31 (68.89) | 62 (68.89) | ||
| ELP – elevated lateral recumbent position with head and chest elevated 30°; LRP – lateral recumbent position. | ||||