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乌司他丁改善重症肌无力患者术中呼吸力学的临床研究

Clinical research on niinastatin on respiratory dynamics improvement in patients with myasthenia gravis
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摘要 目的通过观察重症肌无力患者胸腺扩大切除术中呼吸力学的变化,研究乌司他丁对重症肌无力患者肺功能的保护作用。方法60例择期行胸腺扩大切除术的重症肌无力患者(OssermannI、IIb型),按随机数字表法随机分为对照组(C组,n=30)和乌司他丁组(U组,n=30)。U组人手术室后即给予乌司他丁4000U/kg溶于20ml0.9%氯化钠注射液中,10min内缓慢静脉推注,然后以2000U/(kg·h)持续泵人至手术结束。C组给予等量的生理盐水。观察并记录麻醉前(T1)、切皮时(亿)、手术开始后30min(13)、手术开始后60min(T4)、术毕拔管前(T5)患者的心率、平均动脉压及肺顺应性、气道峰值压力、气道平台压力、吸气阻力、呼气阻力。结果两组患者T2与Tl比较,心率和平均动脉压均升高[U组患者他、T1心率:(90.2±13.5)、(78.6±10.4)次/min,平均动脉压:(15.5±2.3)、(12.1±1.5)kPa;C组患者T2、T1心率:(94.3±15.4)、(81.6±12.2)次/min,平均动脉压:(16.8±2.6)、(12.6±1.8)kPa;P均〈0.05],组间比较差异均无统计学意义(P均〉0.05);两组患者在,T3、T4、T5与T1比较,肺顺应性均降低[U组患者在仍、T4、T5、T1时肺顺应性分别为:(51.23±12.33)、(50.35±13.29)、(50.65±13.16)、(53.69±14.34)ml/cmH20;C组患者在髓、T4、T5、T1时肺顺应性分另0为:(41.56±11.20)、(42.02±10.12)、(39.85±10.31)、(53.45±15.21)mL/cmH20,P均〈0.05],气道峰值压力[U组患者在T3、T4、T5、T1时分别为(13.04±2.14)、(13.12±2.42)、(13.22±2.48)、(12.04±2.12)cm H2O;C组患者在T3、T4、T5、T1时分别为(16.25±3.27)、(15.56±4.34)、(16.64±3.45)、(13.12±2.32)cm H2O]、气道平台压力[U组患者在,13、T4、T5、T1时分别为(10.54±2.46)、(11.76±3.11)、(12.02±3.25)、(9.48±2.13)cm H2O;C组患者在T3、T4、T5、T1时分别为(15.02±3.87)、(15.51±3.13)、(15.67±3.02)、(9.25±1.26)cm H2O]、吸气阻力[U组患者在13、T4、T5、T1时分另0为(8.56±2.52)、(9.31±3.06)、(8.44±2.45)、(8.25±2.20)cm H2O;C组患者在T3、T4、T5、T1时分别为(11.52±3.06)、(12.16±3.02)、(12.83±3.14)、(8.31±2.24)cm H2O]、呼气阻力[U组患者在T3、T4、T5、T1时分别为(10.22±2.24)、(10.34±2.66)、(10.27±2.22)、(8.46±2.37)cm H2O;C组患者在乃、T4、T5、T1时分别为(14.43±3.18)、(14.56±3.32)、(14.46±3.52)、(8.55±2.18)cm H2O]均升高(P均〈0.05);U组患者在T3、T4、T5、T1时肺顺应性降低的幅度及气道峰值压力、气道平台压力、吸气阻力、呼气阻力升高的幅度明显低于C组患者(F值分别为6.167、3.138、4.137、5.217、4.361,P均〈0.05)。结论乌司他丁能够改善患者的呼吸力学,减轻肺损伤,对重症肌无力患者术中肺功能有保护作用。 Objective To observe the changes of the respiratory dynamics during expand thymectomy, and to explore the protection of ulinastatin on pulmonary function. Methods Sixty patients with myasthenia gravis ( Ossermann I , II b) undergoing expand thymectomy were randomly divided into control group ( group C, n = 30) and ulinastatin group ( group U, n = 30 ). Patients in ulinastatin group received intravenous injection of ulinastatin 4000 U/kg in 20 ml physiological saline immediately after entering operating room and pumped ulinastatin 2000 U/( kg h) to the end of the operation continuously. Patients in control group received the same volume of normal saline. Heart rate ( HR ), mean arterial pressure ( MAP ), lung compliance, airway peak pressure, plateau airway pressure, inspiratory and expiratory resistance were monitored before induction of anesthesia( T1 ), during skin incision (T2), at 30 min after operation( T3 )and at 60 min after operation (T4), at the end of operation before extubation( T5 ). Results Compared with T1, HR and MAP at T2 in two groups were increased obviously [ group U HR : ( 90. 2 ± 13.5 ) bpm vs ( 78. 6 ± 10.4 ) bpm, MAP: ( 15.5 ± 2. 3 ) kPa vs ( 12. 1± 1.5)kPa;group C HR: (94. 3 ± 15.4)bpm vs(81.6 ± 12. 2) bpm,MAP: ( 16. 8± 2. 6) kPa vs( 12. 6 ± 1.8 ) kPa, P 〈 0. 05 ) ]. There was no significant difference on HR, MAP at each time between the two groups ( P 〉 0.05 ). At T3, T4, TS, the lung compliance was significantly decreased when compared with T1 [ group U : T3 ,T4 ,T5(51.23 ±12. 33) ml/cm H20, (50. 35 ±13.29) ml/em H:O and(50. 65 ± 13.16) ml/cm H20 vs T1 (53.69 ± 14. 34) ml/em H20; group C : T3, T4, T5 (41.56 ± 11.20 ) ml/cm H2 O, (42. 02 ± 10. 12 ) ml/cm H20 and(39. 85± 10. 31 ) ml/em H2 0 vs T1 (53.45 ± 15.21 ) ml/cm H2O;P 〈 0. 05 ) 1. Airway peak pressure, plateau airway pressure, inspiratory and expiratory resistance at T3, T4, T5 were obviously increased compared with T1 in two groups [ airway peak pressure: group U: ( 13.04 ± 2. 14) cm H20, ( 13.12± 2.42) em H2O, (13.22 ±2.48) cm H20,vs(12.04±2. 12)cm H2O;group C: (16.25 ± 3.27) cm H20, (15.56 ±4.34) cm H2O, ( 16. 64 ± 3.45 ) cm H2O, vs ( 13.12 ± 2. 32) cm H2O ; plateau airway pressure : group U : ( 10. 54 ± 2.46)cm H2O, (11.76 ± 3.11) cm H20, (12. 02 ± 3.25) cm H2O, vs (9.48 ± 2. 13) cm H2O; group C: (15.02 ±3.87)cm H2O, (15.51 ± 3. 13) cm H2O, (15.67± 3.02) cm H2O, vs (9. 25 ± 1.26) cm H2O; inspiratory resistance : group U : ( 8. 56± 2. 52 ) cm H2 O, ( 9. 31 ± 3.06 ) cm H2 O, ( 8.44 ± 2.45 ) cm H2 O, vs (8. 25 ± 2. 20) cm H20; group C: (11.52 ± 3.06) cm H2O, (12. 16 ±3.02) cm H2O, (12. 83 ± 3.14) vs (8. 31±2. 24) cm H2O; expiratory resistance: group U: ( 10. 22 ± 2. 24) cm H2O, ( 10. 34± 2. 66) cm H2O, (10.27 ±2.22)cm H2O,vs(8.46 ±2.37)cm H2O;group C:(14.43 ±3.18)cm H2O,(14.56 ±3.32) cm H2O, ( 14.46 ± 3.52 ) em H2O, vs ( 8.55 ± 2. 18 ) cm H2O; P 〈 0.05 ) ]. The increased degree of lung compliance and the decreased degree of airway peak pressure, plateau airway pressure, inspiratory and expiratory resistance at the time of T3 ,T4 ,T5 and T1 in ulinastatin group were all significantly higher than those in control group( F = 6. 167,3. 138,4. 137,5. 217,4. 361, respectively, P 〈 0.05 ). Conclusion Ulinastatin can improve respiratory dynamics, reduce lung injury, and play a protective role in patients with myasthenia gravis.
机构地区 解放军第三
出处 《中国综合临床》 2012年第9期903-906,共4页 Clinical Medicine of China
关键词 乌司他丁 重症肌无力 肺功能 Ulinastatin Myasthenia gravis Pulmonary function
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