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出 处:《中国超声医学杂志》1999年第10期746-748,共3页Chinese Journal of Ultrasound in Medicine
摘 要:目的: 探讨新型彩色超声多普勒在肠系膜上动脉综合征 (SM AS) 中的应用。方法: 对8 例SM AS患者 (SM 组) 15 例正常人 (NS组) 及 23 例经常腹胀不适, 饱食后加重, 多项检查未发现器质性病变而疑为SM AS患者 (SS组) 进行了三维血流能量成像及彩色多普勒研究。结果: 1三维能量超声造影技术在三组资料中均能清晰显示肠系膜上动脉 (SM A) 与腹主动脉 (AO) 之间的夹角及角内左肾静脉 (LKV) 的情况, 显示率 100% 。2SM 组100% (8/8) 夹角小于195°, 最小者 2°, 最大者 18°。NS组 67% (1/15) 小于 195°, 最小者 17°, 最大者 134°(P< 001), 平均5493°。3SM 组 100% (8/8) 存在角内LKV 明显受压且血流呈高速湍流状态, NS组 27% (4/15) 仅存在轻度受压, 67% (1/15) 角内LKV 呈高速湍流状态(P< 001)。4SS组中217% (5/23) 基本符合SM AS诊断, 从而为这一类患者提供了新的病因线索。5SM 组中2 例为孪生兄弟, 并发症发生率为 50% 。结论: SM AS并不少见, 只是有些不易被发现,Objective:To evaluate the application of color Doppler and three dimensional power angio imaging(3DPAI)in diagnosis of superior mesenteric artery syndrome(SMAS).Methods:8 patients with SMAS,15 normal control and 23 suspected cases were examined by color Doppler and 3DPAI.Results:3DPAI can all demonstrate the angle between superior mesenteric artery(SMA)and aorta(AO),and left renal vein(LRV).The angles in SMAS group smaller than 19 5° were 100%,The maximum was 18°,the minimum was 2°.The angles in NS group smaller than 19 5° were 6 7%(1/15),the maximum was 134°,the minimum was 17°( P <0 01).The LRVs in SMAS group were all obviously oppressed.The hemodynamics in the angle were high speed turbulence(100%).In NS group the percentage of LRV being oppressed slightly and being prompted high speed turbulence were 27%(4/15) and 6 7%(1/15)respectively( P <0 01).In suspected group,the percentage of conforming SMAS was 21 7%(5/23).The percentage can give clues of etiology to this group.In SMAS group 2 cases were twin brother,the deuteropathy incidence was 50%.Conclusion:SMAS is not easy to be discovered.Color Doppler and three dimensional power angio imaging are very valuable to promote the diagnostic rate.
分 类 号:R543.504[医药卫生—心血管疾病] R445.1[医药卫生—内科学]
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