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Comparison of clinical efficacy of intra-articular ropivacaine mixed with dexmedetomidine or morphine for postoperative analgesia after arthroscopic knee surgery / 中国综合临床
Clinical Medicine of China ; (12): 694-697, 2016.
Artigo em Chinês | WPRIM | ID: wpr-494573
ABSTRACT
Objective To compare the efficacy of intra?articular dexmedetomidine or morphine mixed with ropivacaine for postoperative analgesia after arthroscopic knee surgery?Methods Sixty ASA physical status I or II patients scheduled for elective arthroscopic knee surgery were randomly assigned into 3 equal groups using a random number table?The group R received 0?25% ropivacaine, and the group RD received 1 μg/kg dexmedetomidine and 0?25% ropivacaine,and the group RM received 2 mg morphine and 0?25% ropivacaine intraarticularly in a total volume of 20 ml?Visual analogue scales( VAS) scores when the patients actively flexed the operated knee to 90° were recorded at 2, 4, 8, 12, 18 and 24 h after surgery?The analgesic duration and consumption of fentanyl at 24 h after surgery were recorded?The complications such as bradycardia,hypotension, nausea,vomit,cutaneous pruritus and uroschesis were followed up?Results At 8 and 12 h after surgery,VAS scores were significantly lower in group RD ( ( 3?23 ± 0?45 ) points, ( 3?18 ± 0?47 ) points ) and RM ( ( 3?20 ±0?46) points,(3?13±0?45) points) than in group R((4?01±0?74) points,(3?93±0?71) points),and at 18 and 24 h after surgery,they were significantly higher in group R((3?85±0?62) points,(3?72±0?57) points) and RD((3?83±0?57) points,(3?71±0?55) points) than in group RM((3?07±0?43) points,(3?02±0?41) points),and there was significant difference(F between groups=124?65,P=0?021,F inner grouP=11?65,P=0?004,F across groups=67?65,P=0?024)?The analgesic duration was significantly different in three groups (F=45?78,P<0?001),and in group RD((668?3±133?4) min) and RM((1 412?8±275?67) min) was significantly longer than in group R(402?3±81?5) min,P<0?05),and the group RM was longer than the group RD( P<0?05)?The consumption of fentanyl at 24 h after surgery was significantly different in three groups ( F=34?47,P<0?001),and it was significantly lower in group RD((32?6±7?3) μg) and RM((12?8±3?7) μg) than in group R((151?3±28?5) μg,P<0?05),and the group RM was lower than the group RD(P<0?05)?No significant side effects were found?Conclusion Intra?articular dexmedetomidine or morphine all can improve the efficacy of ropivacaine for postoperative analgesia after arthroscopic knee surgery,while morphine is superior to dexmedetomidine.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Clinical Medicine of China Ano de publicação: 2016 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Clinical Medicine of China Ano de publicação: 2016 Tipo de documento: Artigo