Kim L S, Koch J
San Francisco General Hospital, Department of Medicine, University of California, 94110, USA.
Am J Gastroenterol. 1999 Jul;94(7):1847-52. doi: 10.1111/j.1572-0241.1999.01216.x.
Endosonography is accurate for staging esophageal cancer. However, whether detailed staging impacts clinical decision making, whether endosonography is perceived as a useful modality, and what factors influence the utilization of endosonography have not been studied.
One hundred gastroenterologists were surveyed about staging and management of esophageal cancer, including: 1) management by stage; 2) perceived usefulness of endosonography; 3) availability of endosonography; and 4) number of patients referred.
Clinical decisions varied by incremental differences in tumor stage. However, only 27 of 66 respondents (40.9%) judged endosonography to be very useful or essential for the evaluation of esophageal cancer and only 22 (33.3%) had referred a patient. Perceived usefulness and availability were independent factors strongly associated with referral for endosonography. Among 18 respondents to whom endosonography was available and who considered it useful, 14 (77.9%) had referred a case. In contrast, a conservative management was not associated with either perceived usefulness of or referral for endosonography.
Clinicians recognize the importance of detailed staging for management of esophageal cancer. Despite this, they underestimate the utility of endosonography and fail to refer patients for appropriate evaluation. Lack of perceived usefulness and unavailability are important independent barriers to utilization of endosonography in clinical practice.
内镜超声检查对食管癌分期具有准确性。然而,详细分期是否会影响临床决策、内镜超声检查是否被视为一种有用的方式以及哪些因素会影响内镜超声检查的应用,目前尚未得到研究。
对100名胃肠病学家进行了关于食管癌分期与管理的调查,包括:1)按分期进行的管理;2)内镜超声检查的感知有用性;3)内镜超声检查的可获得性;4)转诊患者的数量。
临床决策因肿瘤分期的微小差异而有所不同。然而,66名受访者中只有27名(40.9%)认为内镜超声检查对食管癌评估非常有用或必不可少,只有22名(33.3%)转诊过患者。感知有用性和可获得性是与内镜超声检查转诊密切相关的独立因素。在18名可获得内镜超声检查且认为其有用的受访者中,14名(77.9%)转诊过病例。相比之下,保守治疗与内镜超声检查的感知有用性或转诊均无关。
临床医生认识到详细分期对食管癌管理的重要性。尽管如此,他们低估了内镜超声检查的效用,未将患者转诊进行适当评估。缺乏感知有用性和无法获得是临床实践中内镜超声检查应用的重要独立障碍。