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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Endosonographic evaluation of perianal fistulas and abscesses: comparison of two instruments and assessment of the role of hydrogen peroxide injection.
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Endosonographic evaluation of perianal fistulas and abscesses: comparison of two instruments and assessment of the role of hydrogen peroxide injection.

机译：肛周瘘管和脓肿的超声内镜评估：两种仪器的比较和过氧化氢注射作用的评估。

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PURPOSE: The aims of this study were to compare the performance of a mechanical radial endosonoscope and an endorectal electronic probe and to evaluate the value of hydrogen peroxide (H(2)O(2)) injection in the diagnosis of perianal fistulas. PATIENTS AND METHODS: Sixty-one patients underwent clinical and endosonographic studies for suspected perianal fistulas or abscesses. Endosonography was performed using two instruments: a mechanical radial endosonoscope (Olympus GF-UM20) and an electronic endorectal probe (Hitachi EUP-R53). The patients were re-examined during and following H(2)O(2) injection using both systems. RESULTS: Thirty-seven fistulous tracts were visualized with the electronic endorectal probe versus only 9 with the mechanical radial endosonoscope. Four patients had anal stenosis, precluding the use of the larger electronic probe. Three fistulas were detected in these patients using the mechanical radial endosonoscope. H(2)O(2) injection was not feasible in 26 patients (43%). Visualization of 11 (31%) fistulas improved after administration of H(2)O(2). Six fistulous tracts not detected before H(2)O(2) administration were clearly visualized during injection and for several minutes thereafter. CONCLUSIONS: Work-up of perianal fistula should be preferably performed using the endorectal electronic probe. However, the mechanical radial endoscope is preferred in patients with anal stricture. H(2)O(2) injection should become an integral part of every sonographic study of perianal fistulas. (c) 2005 Wiley Periodicals, Inc. J Clin Ultrasound 33:226-232, 2005.
机译：目的：本研究的目的是比较机械放射状内窥镜和直肠内电子探针的性能，并评估过氧化氢（H（2）O（2））注射在肛周瘘管诊断中的价值。患者与方法：61例患者因怀疑肛周瘘或脓肿而接受了临床和超声检查。内窥镜检查使用两种仪器进行：机械放射状内窥镜（Olympus GF-UM20）和电子内窥镜探头（Hitachi EUP-R53）。使用两种系统在注射H（2）O（2）期间和之后都对患者进行了重新检查。结果：电子直肠内探头可观察到37个瘘管，而机械放射内窥镜仅可观察到9个。四名患者患有肛门狭窄，不包括使用较大的电子探针。使用机械放射状内窥镜在这些患者中检测到三个瘘管。 H（2）O（2）注射在26例患者中不可行（43％）。 H（2）O（2）给药后，改善了11个（31％）瘘管的可视化。 H（2）O（2）给药之前未发现的六个瘘管在注射过程中以及随后的几分钟内清晰可见。结论：最好使用直肠内电子探针进行肛周瘘管的检查。但是，对于肛门狭窄的患者，首选机械放射状内窥镜。 H（2）O（2）注射应成为肛周瘘的每次超声检查的组成部分。 （c）2005 Wiley Periodicals，Inc. J Clin Ultrasound 33：226-232，2005。

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