Background:Nalbuphine has been suggested to be used for post-cesarean section(CS)intravenous analgesia.However,ideal concentration of nalbuphine for such analgesia remains unclear.The present study was conducted to ex...Background:Nalbuphine has been suggested to be used for post-cesarean section(CS)intravenous analgesia.However,ideal concentration of nalbuphine for such analgesia remains unclear.The present study was conducted to explore an ideal concentration of nalbuphine for post-CS intravenous analgesia by evaluating the analgesic effects and side-effects of three different concentrations of nalbuphine combined with hydromorphone for post-CS intravenous analgesia in healthy parturients.Methods:One-hundred-and-fourteen parturients undergoing elective CS were randomly allocated to one of three groups(38 subjects per group)according to an Excel-generated random number sheet to receive hydromorphone 0.05 mg/mL+nalbuphine 0.5 mg/mL(group LN),hydromorphone 0.05 mg/mL+nalbuphine 0.7 mg/mL(group MN),and hydromorphone 0.05 mg/mL+nalbuphine 0.9 mg/mL(group HN)using patient-controlled analgesia(PCA)pump.Visual analog scale(VAS)for pain,PCA bolus demands,cumulative PCA dose,satisfaction score,Ramsay score,and side-effects such as urinary retention were recorded.Results:The number of PCA bolus demands and cumulative PCA dose during the first 48 h after CS were significantly higher in group LN(21±16 bolus,129±25 mL)than those in group MN(15±10 bolus,120±16 mL)(both P<0.05)and group HN(13±9 bolus,117±13 mL)(both P<0.01),but no difference was found between group HN and group MN(both P>0.05).VAS scores were significantly lower in group HN than those in group MN and group LN for uterine cramping pain at rest and after breast-feeding within 12 h after CS(all P<0.01)and VAS scores were significantly higher in group LN than those in groupMNand group HN when oxytocin was intravenously infused within 3 days after CS(all P<0.05),whereas VAS scores were not statistically different among groups for incisional pain(all P>0.05).Ramsay sedation scale score in groupHNwas significantly higher than that in group MN at 8 and 12 h after CS(all P<0.01)and group LN at 4,8,12,24 h after CS(all P<0.05).Conclusions:Hydromorphone 0.05 mg/mL+nalbuphine 0.7 mg/mL for intravenous PCA could effectively improve the incisional pain and uterine cramping pain management and improve comfort in patients after CS.展开更多
基金supported by the grant from National Natural Science Foundation of China(No.81471126).
文摘Background:Nalbuphine has been suggested to be used for post-cesarean section(CS)intravenous analgesia.However,ideal concentration of nalbuphine for such analgesia remains unclear.The present study was conducted to explore an ideal concentration of nalbuphine for post-CS intravenous analgesia by evaluating the analgesic effects and side-effects of three different concentrations of nalbuphine combined with hydromorphone for post-CS intravenous analgesia in healthy parturients.Methods:One-hundred-and-fourteen parturients undergoing elective CS were randomly allocated to one of three groups(38 subjects per group)according to an Excel-generated random number sheet to receive hydromorphone 0.05 mg/mL+nalbuphine 0.5 mg/mL(group LN),hydromorphone 0.05 mg/mL+nalbuphine 0.7 mg/mL(group MN),and hydromorphone 0.05 mg/mL+nalbuphine 0.9 mg/mL(group HN)using patient-controlled analgesia(PCA)pump.Visual analog scale(VAS)for pain,PCA bolus demands,cumulative PCA dose,satisfaction score,Ramsay score,and side-effects such as urinary retention were recorded.Results:The number of PCA bolus demands and cumulative PCA dose during the first 48 h after CS were significantly higher in group LN(21±16 bolus,129±25 mL)than those in group MN(15±10 bolus,120±16 mL)(both P<0.05)and group HN(13±9 bolus,117±13 mL)(both P<0.01),but no difference was found between group HN and group MN(both P>0.05).VAS scores were significantly lower in group HN than those in group MN and group LN for uterine cramping pain at rest and after breast-feeding within 12 h after CS(all P<0.01)and VAS scores were significantly higher in group LN than those in groupMNand group HN when oxytocin was intravenously infused within 3 days after CS(all P<0.05),whereas VAS scores were not statistically different among groups for incisional pain(all P>0.05).Ramsay sedation scale score in groupHNwas significantly higher than that in group MN at 8 and 12 h after CS(all P<0.01)and group LN at 4,8,12,24 h after CS(all P<0.05).Conclusions:Hydromorphone 0.05 mg/mL+nalbuphine 0.7 mg/mL for intravenous PCA could effectively improve the incisional pain and uterine cramping pain management and improve comfort in patients after CS.
