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Analgesic effects of oxycodone hydrochloride injection after laparoscopic cholecystectomy and influence on substance P, 5-hydroxytryptamine, and patient-controlled intravenous analgesia


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Recovery time of spontaneous breathing and awakening time

Group n Recovery time of spontaneous breathing (min) Awakening time (min)
Control 60 11.3±1.4 16.3±1.7
Observation 60 10.9±1.1 15.8±1.4
t 1.740 1.759
P 0.084 0.081

Substance P and 5-HT levels

Index Group T0 T1 T2 T3
Substance P (ng/L) Control 124.5±5.6 168.2±7.2# 188.2±5.4#,Δ 226.3±5.9#,Δ,
Observation 124.3±5.5 151.8±5.8*,# 174.9±5.9*,#,Δ 199.2±6.2*,#,
Time difference F=236.281, P<0.001
Intergroup difference F=458.992, P<0.001
Intergroup × time difference F=312.093, P<0.001
5-HT (ng/mL) Control 461.5±10.9 614.8±14.5# 685.7±10.2#,Δ 774.3±8.3#,
Observation 462.8±10.3 548.9±15.1*,# 609.7±9.4*,#,Δ 683.2±7.4*,#,
Time difference F=673.225, P<0.001
Intergroup difference F=1139.034, P<0.001
Intergroup × time difference F=899.326, P<0.001

Incidence rates of adverse reactions after PCIA

Group n Nausea and vomiting (n, %) Constipation (n, %) Dizziness (n, %)
Control 60 15 (25.00) 14 (23.33) 10 (16.67)
Observation 60 6 (10.00) 5 (8.33) 3 (5.00)
χ2 4.675 5.065 4.227
P 0.031 0.024 0.040

VAS and Ramsay scores

Index Group T0 T1 T2 T3 T4 T5 T6
VAS score Control 1.13±0.19 2.43±0.23 2.66±0.43 4.04±0.26cd 4.58±0.43cd 3.88±0.41ab 3.68±0.34ab
Observation 1.11±0.20 2.32±0.22 2.32±0.34 3.28±0.31cd 3.26±0.36cd 3.91±0.39ab 3.70±0.35ab
Time difference F=0.734, P=0.873
Intergroup difference F=1.124, P=0.456
Intergroup × time difference F=0.917, P=0.671
Ramsay score Control 1.28±0.24 3.78±0.43 3.61±0.28 3.34±0.31cd 3.28±0.34cd 1.26±0.32ab 1.18±0.21ab
Observation 1.27±0.25 3.51±0.37 3.34±0.27 3.16±0.29cd 3.25±0.35cd 1.21±0.29ab 1.16±0.19ab
Time difference F=0.956, P=0.902
Intergroup difference F=1.732, P=0.239
Intergroup × time difference F=1.263, P=0.526

Baseline clinical data

Control group (n=60) Observation group (n=60) t/χ2 P
Gender χ2=0.034 0.853
Male 34 (56.67%) 35 (58.33%)
Female 26 (43.34%) 25 (41.67%)
Age (year) 45.91±2.41 45.87±2.43 t=0.091 0.928
Mean body weight (kg) 62.84±3.36 62.78±3.41 t=0.097 0.922
Pathological type χ2=0.034 0.854
Gallbladder polyps 33 (55.00%) 34 (56.67%)
Gallbladder stones 27 (45.00%) 26 (43.33%)

HR, MAP and SpO2 at different time points

Index Group T0 T1 T2
HR (beats/min) Control 74.0±5.4 90.8±7.2*,# 87.9±5.4*,#,Δ
Observation 74.5±5.6 89.2±6.4# 80.3±6.3#,Δ
Time difference F=116.784, P<0.001
Intergroup difference F=127.383, P<0.001
Intergroup × time difference F=121.095, P<0.001
MAP (mmHg) Control 84.7±5.3 95.5±6.8*,# 92.5±5.8*,#,Δ
Observation 83.5±5.6 90.5±8.3# 87.5±5.4#,Δ
Time difference F=67.983, P<0.001
Intergroup difference F=127.886, P<0.001
Intergroup × time difference F=89.043, P<0.001
SpO2(%) Control 98.3±6.7 94.3±7.1* 98.4±6.2
Observation 98.4±6.3 96.4±7.3 98.5±6.3
Time difference F=73.294, P<0.001
Intergroup difference F=109.675, P<0.001
Intergroup × time difference F=98.042, P<0.001

Classification of agitation during anesthesia recovery (n, %)

Group n Mild Moderate Severe Total
Control 60 6 (10.00) 7 (11.67) 0 13 (21.67)
Observation 60 3 (5.00) 2 (3.33) 0 5 (8.33)
Fisher's probability -
P 0.036
eISSN:
1732-2693
Sprache:
Englisch
Zeitrahmen der Veröffentlichung:
Volume Open
Fachgebiete der Zeitschrift:
Biologie, Molekularbiologie, Mikrobiologie und Virologie, Medizin, Vorklinische Medizin, Grundlagenmedizin, Immunologie