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止血带张力对浅静脉充盈度的影响 |
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白丽梅 傅常清 郭欣欣 段阳
摘要 目的：确定能使上肢浅静脉有良好充盈度的止血带张力，以利于静脉穿刺的操作。方法：192例患者随机分成A、B、C 3组，每组64例，在每例患者的前臂中下1/3处绷扎连接有压力表的气囊止血带，每例操作7次。观察3组使用不同张力止血带时手部浅静脉的充盈度。结果：A组与B组，B组与C组充盈饱满的例次数之间差异有统计学意义(P<0.01),A组与C组间差异无统计学意义(P>0.05)。结论 ：B组止血带张力为浅静脉最佳充盈度所需的张力。
关键词 浅静脉充盈 静脉穿刺 止血带张力
Study on the effects of Different Tourniquet tension on the Turgidity of Superficial Vein
Bai Li-mei，Fu Chang-qing,Guo Xin-xin,et al
Abstract Objective:To seek for the appropriate tourniquet tension at which the superficial vein would have good turgidity at which perfect venipuncture would be obtained. Methods：192 patients were grouped randomly as group A、B and C,with 64 patients in each group. Pneumatophore tourniquet with a pressure meter was fixed on the inferior part of the forearm of each patient. The procedure was repeat for 7 times on each patient.The tension in group A was light (<10.7kPa).It was medium in B(10.7～16.0kPa),heavy in C(>16.0kPa).The turgidity of the superficial vein was observed.Results:Good turgidity was obtained in 72 cases in A,412 cases in B,and 52 cases in C.There were signticant differences between groups A and B(P<0.01),and Band C (P<0.01)，but not between A and C (P>0.05). Conclusions：The tension of tourniquet in group B obtains the best turgidity of the superficial vein, and it may be the best choice for venipuncture.
Author s address The 463th Hospital of PLA,Shenyang,110042
Key words Superficial vein turgidity Venipuncture Tension of tourniquet
静脉输液是临床中最常用的治疗方法之一。静脉穿刺能否“一针见血”关系着治疗的效果。良好的静脉血管充盈度是保证“一针见血”的关键。为此我们研究了不同张力止血带对血管充盈度的影响，力求确定能使静脉充盈良好的止血带张力。
1 资料与方法
1.1 临床资料
选择1998年5月至1999年5月在我科住院接受静脉输液1周以上的成年病人192例，男120例,女72例，年龄18～72岁。
1.2 方法
按病人入院顺序，随机分成A、B、C3组，每组64例。各组均取仰卧位，手置于心脏同一水平，分别用轻(A组)、中(B组)、重(C组)3种不同张力绷扎止血带，3组止血带的绷扎位置均在前臂中下1/3交界处。使用连接血压计的气囊止血带，充气时观察血压计压力表的数值。A组的止血带张力<10.7kPa(80mmHg),B组止血带张力为10.[1] [2] 下一页
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