Clinical Study

Sleep Quality and Levodopa Intestinal Gel Infusion in Parkinson’s Disease: A Pilot Study

Table 3

Comparison of polysomnographic results before and after 6 months of LCIG infusion therapy in 7 patients with advanced PD.

VariablesLCIG infusion therapy value
BeforeAt 6 months

Sleep efficiency (%)66.7 ± 8.457.8 ± 16.00.173
Wake after sleep onset (WASO) (min)119.9 ± 74.2113.0 ± 54.10.345
Sleep latency (min)29.7 ± 40.571.2 ± 97.20.345
REM latency (min)147.3 ± 72.4139.8 ± 63.10.893
REM sleep (%)16.2 ± 9.910.4 ± 6.80.080
NREM sleep (%)83.6 ± 10.289.6 ± 6.80.080
 Stage 116.8 ± 10.023.8 ± 13.70.463
 Stage 252.9 ± 8.452.4 ± 12.00.345
 Stage 313.9 ± 7.513.0 ± 11.90.752
Snoring sounds (number/hour)323.2 ± 279.3228.6 ± 226.00.715
Apnea-hypopnea index (AHI)11.8 ± 18.012.7 ± 14.00.686
Arousal index15.0 ± 7.012.9 ± 5.60.115
Spontaneous arousals7.5 ± 3.15.2 ± 5.00.075
Respiratory effort-related arousals (RERA)4.9 ± 7.24.8 ± 4.10.893
Leg movement arousals3.1 ± 2.32.9 ± 2.50.462
Periodic leg movement in sleep (PLMS)12.5 ± 11.67.7 ± 11.10.345
PLMS in REM sleep20.7 ± 31.62.9 ± 3.70.285
PLMS in NREM sleep10.3 ± 9.58.3 ± 12.40.893
Oxygen saturation (SpO2) (%)
 Baseline95.1 ± 2.395.8 ± 2.10.339
 Mean93.8 ± 2.094.3 ± 2.20.461
 Minimum87.0 ± 8.986.4 ± 6.60.672
Oxygen saturation <90%, CT90 (%)2.7 ± 4.21.7 ± 2.00.416

Data as mean ± standard deviation. 6–10: higher normal daytime sleepiness. 11–12: mild excessive daytime sleepiness. 13–15: moderate excessive daytime sleepiness. 16–24: severe excessive daytime sleepiness.