Comparative observation of two different doses of caffeine citrate in apnea of preterm infants
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摘要:
目的 观察不同维持剂量枸橼酸咖啡因在早产儿呼吸暂停中的应用效果。 方法 将舟山市妇女儿童医院2017年6月—2019年6月收治的82例呼吸暂停(AOP)早产儿按照随机数字表法分为高剂量组(41例)和低剂量组(41例)。所有患儿均根据病情需要进行抗感染、呼吸支持等措施,2组均在拔管前24 h予以枸橼酸咖啡因负荷量20 mg/(kg·d),高剂量组维持剂量10 mg/(kg·d),低剂量组维持剂量5 mg/(kg·d),比较2组患儿的疗效、不良反应发生率和并发症发生率。 结果 与低剂量组比较,高剂量组的有效率更高(46.34% vs. 68.29%),撤机失败率(31.71% vs. 12.20%)、呼吸暂停时间[(5.02±1.44)d vs. (2.86±1.03)d]、住院时间[(23.56±6.35)d vs. (20.75±5.97)d]均更低,差异均有统计学意义(均P < 0.05),而2组的药物使用时间、氧疗时间、院内病死率比较,差异无统计学意义(均P>0.05)。2组早产儿心动过速、喂养不耐受、高血糖、电解质紊乱等发生率比较,差异无统计学意义(均P>0.05)。2组早产儿支气管肺发育不良、早产儿视网膜病变、坏死性小肠结肠炎、颅内出血等并发症发生率比较,差异无统计学意义(均P>0.05)。 结论 相比低剂量枸橼酸咖啡因,高剂量枸橼酸咖啡因改善AOP早产儿呼吸功能效果更佳,拔管成功率更高,且未明显增加不良反应,可于临床推广应用。 Abstract:Objective To study the effects of different doses of caffeine citrate on apnea in preterm infants. Methods A total of 82 cases of apnea of prematurity (AOP) preterm infants were divided into high-dose groups (41 cases) and low-dose group (41 cases) according to random number table. All children were appropriately treated with anti-infection, respiratory support and other measures. Both groups were given caffeine citrate load of 20 mg/(kg·d) 24 hours before extubation, maintenance dose of 10 mg/(kg·d) in high-dose group and 5 mg/(kg·d) in low-dose group. The efficacy, adverse reaction rate, and complication rate of the two groups of children were compared. Results Compared to the low-dose group, the high-dose group's effective rate was higher (46.34% vs. 68.29%), and the failure rate (31.71% vs. 12.20%), apnea time [(5.02±1.44) d vs. (2.86±1.03) d], and length of hospital stay [(23.56±6.35) d vs. (20.75±5.97) d] were lower, which differences were statistically significant (all P < 0.05). There was no significant difference in hospital stay time, oxygen treatment time, and in-hospital mortality between the two groups (all P>0.05). There was no significant difference in the incidence of tachycardia, feeding intolerance, hyperglycemia, and electrolyte disturbance between the two groups (all P>0.05). There was no significant difference in the incidence of bronchopulmonary dysplasia (BPD), retinopathy of prematurity (ROP), necrotizing enterocolitis (NEC), intra-ventricular hemorrhage (IVH) and other complications in both groups (all P>0.05). Conclusion Compared with low-dose caffeine citrate, high-dose caffeine citrate has a higher success rate of extubation, improves the respiratory function of preterm infants with AOP, and doesn't increase significantly in adverse reactions, which have clinical application meaning. -
Key words:
- Caffeine citrate /
- Preterm infants /
- Apnea of prematurity /
- Mechanical ventilation
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表 1 2组AOP早产儿基线资料比较
项目 高剂量组(41例) 低剂量组(41例) 统计量 P值 性别[例(%)] 0.792a 0.373 男 25(60.98) 21(51.22) 女 16(39.02) 20(48.78) 胎龄(x±s,周) 29.63±2.34 29.58±2.12 0.101b 0.919 出生体重(x±s,g) 1 252.24±261.73 1 224.05±287.61 0.464b 0.644 出生体重[例(%)] 0.734a 0.391 1000~ < 1 500 g 32(78.05) 35(85.37) < 1 000 g 9(21.95) 6(14.63) 分娩方式[例(%)] 0.196a 0.658 阴道分娩 18(43.90) 20(48.78) 剖宫产术 23(56.10) 21(51.22) 入院时龄(x±s,h) 2.42±1.60 2.54±1.41 0.360b 0.719 开始用药日龄(x±s,d) 2.04±0.83 1.91±0.92 0.672b 0.504 孕妇绒毛膜羊膜炎[例(%)] 0.091a 0.762 是 6(14.63) 7(17.07) 否 35(85.37) 34(82.93) 小于胎龄儿[例(%)] 0.823a 0.364 是 8(19.51) 5(12.20) 否 33(80.49) 36(87.80) 猪肺磷脂注射液治疗[例(%)] 0.497a 0.481 有 12(29.27) 15(36.59) 无 29(70.73) 26(63.41) 产前类固醇治疗[例(%)] 0.518a 0.472 有 14(34.15) 11(26.83) 无 27(65.85) 30(73.17) 注:a为χ2值,b为t值。 表 2 2组AOP早产儿各指标比较
组别 例数 有效[例(%)] 呼吸暂停时间(x±s,d) 药物使用时间(x±s,d) 住院时间(x±s,d) 氧疗时间(x±s,d) 撤机失败[例(%)] 院内病死[例(%)] 高剂量组 41 28(68.29) 2.86±1.03 20.14±13.43 20.75±5.97 27.13±21.42 5(12.20) 3(7.32) 低剂量组 41 19(46.34) 5.02±1.44 19.47±5.50 23.56±6.35 26.97±20.41 13(31.71) 2(4.88) 统计量 4.038a 7.812b 0.212b 2.064b 1.081b 4.556a < 0.001a P值 0.044 <0.001 0.833 0.042 0.283 0.033 0.999 注:a为χ2值,b为t值。 表 3 2组AOP早产儿不良反应发生率比较[例(%)]
组别 例数 心动过速 喂养不耐受 高血糖 电解质紊乱 高剂量组 41例 11(26.83) 8(19.51) 3(7.32) 5(12.20) 低剂量组 41例 7(17.07) 6(14.63) 2(4.88) 3(7.32) χ2值 1.139 0.345 < 0.001 0.139 P值 0.286 0.557 0.999 0.710 表 4 2组AOP早产儿并发症发生率比较[例(%)]
组别 例数 BPD ROP NEC IVH 高剂量组 41 5(12.20) 2(4.88) 4(9.76) 3(7.32) 低剂量组 41 2(4.88) 1(2.44) 2(4.88) 2(4.88) χ2值 0.625 < 0.001 0.180 < 0.001 P值 0.429 0.999 0.672 0.999 -
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