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首页> 外文期刊>Tierarztliche Praxis, Ausgabe K. Kleintiere >Comparison of conventional and sensor-based electronic stethoscopes in detecting cardiac murmurs of dogs
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Comparison of conventional and sensor-based electronic stethoscopes in detecting cardiac murmurs of dogs

机译：常规和基于传感器的电子听诊器在检测狗的心脏杂音中的比较

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Background and objective: Cardiac auscultation is one of the most important parts of the cardiological examination traditionally performed with acoustic stethoscopes. The aim of this study was to compare the sensitivities and the diagnostic capabilities of traditional and electronic stethoscopes in detecting canine heart murmurs. Materials and methods: The study was performed on 21 dogs referred for cardiologic examination with suspected heart murmurs. Six out of these dogs had cardiac murmurs bilaterally. Cardiac auscultation was performed independently by a final-year veterinary student (AB = 11) and by an experienced clinician (KV = 12), both using a traditional and a Welch Allyn Meditron electronic sensor-based stethoscope. Final diagnoses wereestablished by echocardiography and by digital phonocardiography. Results: Correct detection of a murmur was made by 11 with a traditional stethoscope in 20/27 (74.0%) of the suspected murmurs (p = 0.30, kappa [kappa] = 0.2) and with the electronic stethoscope in 26/27 (96.3%), respectively (p = 0.0013, kappa = 0.75). 12 correctly detected the murmurs with the traditional stethoscope in 25/27 (92.6%) cases (p = 0.0013, kappa = 0.75) and with the electronic stethoscope in all 27/27 (100%) cases (p = 0.00012, kappa = 1). Agreements of murmur intensity gradings between traditional and electronic stethoscopes were highly significant (11: p = 6.9 x 10~(-8); kappa = 0.79), (12: p = 5.2 x 10~(-11); kappa = 0.92). When grading the murmurs with the traditionalstethoscope, there was a significant agreement between 11 and 12 (p = 2.9 x 10~7; k = 0.79), being even higher with the electronic stethoscope (p = 1.1 x 10~(-11); kappa = 0.92). Conclusion: The electronic stethoscope was more sensitive than the traditional one in detecting and grading cardiac murmurs being especially useful for 11 with less experience. However, it can be suggested to use a traditional and an electronic stethoscopes simultaneously to optimally utilize their advantages.
机译：背景与目的：心脏听诊是传统上用声波听诊器进行的心脏检查的最重要部分之一。这项研究的目的是比较传统和电子听诊器在检测犬心脏杂音中的敏感性和诊断能力。材料和方法：这项研究是针对21例因心脏杂音而进行心脏检查的狗进行的。这些狗中有六只双侧患有心脏杂音。最后一名兽医学生（AB = 11）和有经验的临床医生（KV = 12）分别使用传统听诊器和Welch Allyn Meditron电子传感器听诊器独立进行心脏听诊。通过超声心动图和数字心动图确定最终诊断。结果：11个人用传统听诊器正确检测出杂音，占可疑杂音的20/27（74.0％）（p = 0.30，kappa = 0.2），电子听诊器在26/27（96.3）中％）（p = 0.0013，kappa = 0.75）。在25/27（92.6％）的情况下（12 = 92.6％），有12名正确地检测出杂音（p = 0.0013，kappa = 0.75）;在所有27/27（100％）的情况下，使用电子听诊器正确地检测出了杂音（p = 0.00012，kappa = 1 ）。传统听诊器和电子听诊器之间的杂音强度等级一致性非常显着（11：p = 6.9 x 10〜（-8）; kappa = 0.79），（12：p = 5.2 x 10〜（-11）; kappa = 0.92） 。当用传统的听诊器对杂音进行分级时，在11和12之间有明显的一致性（p = 2.9 x 10〜7; k = 0.79），而在电子听诊器中甚至更高（p = 1.1 x 10〜（-11）;卡伯= 0.92）。结论：电子听诊器在检测和分级心脏杂音方面比传统听诊器更为敏感，尤其适用于经验不足的11种患者。但是，建议同时使用传统听诊器和电子听诊器以最佳利用它们的优势。

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