Characteristics of the Ultrasound Pulsed Doppler Waveforms in Dogs

Yusaku UEHARA; Toshihiko KAWANO

doi:10.11276/jsvc1984.29.8

健常犬における心エコー・ドプラ波形の形状に関する検討

上原勇作, 河野敏彦

著者情報

ジャーナルフリー

1996 年 29 巻 1 号 p. 8-13

DOI https://doi.org/10.11276/jsvc1984.29.8

詳細

発行日: 1996 年受付日: - J-STAGE公開日: 2009/09/17 受理日: 1996/03/21 早期公開日: - 改訂日: -
訂正情報
訂正日: 2009/09/17 訂正理由: - 訂正箇所: 論文抄録訂正内容: Wrong : In order to clarify the characteristics of the ultrasound pulsed Doppler waveforms in dogs, we measured the blood flow Doppler waveforms at the inflow tracts of the right and left ventricle in 35 clinically healthy mongrel dogs with a age of 2 years or less. Seven measurements were performed for the inflow tract and three measurements for the outflow tract. The values were then processed, and a composite waveform was obtained. The results showed that the blood flow velocity waveform of the left ventricular inflow tract is M-shaped, and that the early diastolic peak, peak 1, is always higher than the late diastolic peak, peak 2.
The blood flow velocity waveform of the left ventricular outflow tract was halfway between a V-shape and the shape of a check mark ( ?? ), and the peak was located in the early systole. The blood flow velocity waveform of the right ventricular inflow tract was M-shaped, but both the wave height of peaks 1 and 2 and the differences between their height of peaks were small, and the waveform peak inversion rate was 40%. The blood flow velocity waveform of the right ventricular outflow tract was V-shaped. Its peak was located between early and mid-systole. These findings demonstrated that the characteristics of the Doppler waveforms in dogs are basically as the same as in humans.
Right : In order to clarify the characteristics of the ultrasound pulsed Doppler waveforms in dogs, we measured the blood flow Doppler waveforms at the inflow tracts of the right and left ventricle in 35 clinically healthy mongrel dogs with a age of 2 years or less. Seven measurements were performed for the inflow tract and three measurements for the outflow tract. The values were then processed, and a composite waveform was obtained. The results showed that the blood flow velocity waveform of the left ventricular inflow tract is M-shaped, and that the early diastolic peak, peak 1, is always higher than the late diastolic peak, peak 2.
The blood flow velocity waveform of the left ventricular outflow tract was halfway between a V-shape and the shape of a check mark (∨), and the peak was located in the early systole. The blood flow velocity waveform of the right ventricular inflow tract was M-shaped, but both the wave height of peaks 1 and 2 and the differences between their height of peaks were small, and the waveform peak inversion rate was 40%. The blood flow velocity waveform of the right ventricular outflow tract was V-shaped. Its peak was located between early and mid-systole. These findings demonstrated that the characteristics of the Doppler waveforms in dogs are basically as the same as in humans.

訂正日: 2009/09/17 訂正理由: - 訂正箇所: 引用文献情報訂正内容: 訂正前 : 1) 赤坂隆史 : 正常像.ドップラー心エコー図テキスト(坂本二哉編), 51-90頁.文光堂.東京, 1988.
3) 陰山敏昭・武藤眞・若尾義人・岡本卓司・御子柴りほ・中山智宏・渡辺俊文・鈴木立雄・高橋貢(1993) : 超音波パルスドプラー法におけるサンプルボリューム位置と心・大血管内血流波形.動物の循環器, 27, 9-18.
11) 北畠顕,伊藤浩,浅生雅人,田内潤,井上通敏,阿部裕,吉間英雄,大森正晴,平松美代子,伯耆徳武,大西健二(1984) : 断層心エコードプラ法による左室流入および駆出血流速の正常値とその経年変化の観察.日本超音波医学会講演論文集, 45, 135-136.
12) 中谷茂和,富田英,新垣義夫,清水俊夫,神谷哲朗(1985) : 超音波パルスドプラ法による小児の流入路および流出路血流像の検討.日本超音波医学会講演論文集, 46, 747-748.
15) 高木茂人,横田充弘,岩瀬正嗣,胡小菁,小出正文,落合直樹,林博史,外畑巌 (1984) : 拡張期左室容積変化と左室流入血流速との対比?左室造影とパルスドプラー法を用いて?.日本超音波医学会講演論文集, 44, 507-508.

訂正後 : 1) 赤坂隆史 : 正常像.ドップラー心エコー図テキスト(坂本二哉編), 51-90頁.文光堂.東京, 1988.
3) 陰山敏昭・武藤眞・若尾義人・岡本卓司・御子柴りほ・中山智宏・渡辺俊文・鈴木立雄・高橋貢(1993) : 超音波パルスドプラー法におけるサンプルボリューム位置と心・大血管内血流波形.動物の循環器, 27, 9-18.
11) 北畠顕,伊藤浩,浅生雅人,田内潤,井上通敏,阿部裕,吉間英雄,大森正晴,平松美代子,伯耆徳武,大西健二(1984) : 断層心エコードプラ法による左室流入および駆出血流速の正常値とその経年変化の観察.日本超音波医学会講演論文集, 45, 135-136.
12) 中谷茂和,富田英,新垣義夫,清水俊夫,神谷哲朗(1985) : 超音波パルスドプラ法による小児の流入路および流出路血流像の検討.日本超音波医学会講演論文集, 46, 747-748.
15) 高木茂人,横田充弘,岩瀬正嗣,胡小菁,小出正文,落合直樹,林博史,外畑巌 (1984) : 拡張期左室容積変化と左室流入血流速との対比?左室造影とパルスドプラー法を用いて?.日本超音波医学会講演論文集, 44, 507-508.

抄録

犬における超音波パルスドプラ波形の形状的特徴を知る目的から,2歳以下の健常犬35頭を用い,左右心室の流入路および流出路の血流ドプラ波形の計測を行った。流入路波形に関しては7種,流出路波形に関しては3種の計測を行い,その計測値を処理し,合成波形を得た。その結果,左室流入路の血流速波形はM型を示し,拡張前期の第1ピークは常に後期の第2ピークより高い峰を形成した。左室流出路の血流速波形はVおよびレ字の中間型を示し,ピークは収縮期前期に位置した。右室流入路の血流速波形はM字型であったが第1,第2ピークの波高ならびにその高低差も少なく,波形ピークの逆転率も40%に見られた。右室流出路の血流速波形はV字型となった。そのピークは,収縮前期から中期に位置した。この結果,犬におけるドプラ波形の形状は,ヒトのドプラ波形の形状とほほ同じであることが判明した。このことは,超音波ドプラ法を小動物に応用するに際して,すでに医学で報告されている心機能評価への応用が,犬でも可能であることが示唆された。

責任著者(Corresponding author)

訂正情報

J-STAGEへの登録はこちら（無料）