経時的な腎静脈波形解析が肺高血圧症の治療効果判定に有用であった犬の1例

シーズー,10歳齢,去勢雄が3か月ほど前からの発咳,1か月前からの食欲不振・軟便・腹囲膨満を主訴に来院した。重度の右心室・右心房拡大,心室中隔の扁平化,肺動脈拡大,重度三尖弁逆流および腹水貯留が認められ,肺高血圧症に起因した右心不全と診断した。パルスドプラ法による腎静脈波形解析を実施したところ,拡張期において血流が途絶える不連続性パターンが認められた。治療としてクエン酸シルデナフィルを投与したところ,第202病日には臨床症状の部分的な改善が認められた。右心房の縮小,三尖弁逆流の重症度の低下,最大速度の低下が認められた。腎静脈波形解析では波形が連続性パターンに変化していたが,静脈のコンプライアン...

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Published inDōbutsu no junkanki Vol. 55; no. 2; pp. 89 - 97
Main Authors 森田, 智也, 照喜名, 弘樹, 鈴木, 仁史
Format Journal Article
LanguageJapanese
Published 日本獣医循環器学会 30.12.2022
Subjects
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ISSN0910-6537
1883-5260
DOI10.11276/jsvc.55.89

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Abstract シーズー,10歳齢,去勢雄が3か月ほど前からの発咳,1か月前からの食欲不振・軟便・腹囲膨満を主訴に来院した。重度の右心室・右心房拡大,心室中隔の扁平化,肺動脈拡大,重度三尖弁逆流および腹水貯留が認められ,肺高血圧症に起因した右心不全と診断した。パルスドプラ法による腎静脈波形解析を実施したところ,拡張期において血流が途絶える不連続性パターンが認められた。治療としてクエン酸シルデナフィルを投与したところ,第202病日には臨床症状の部分的な改善が認められた。右心房の縮小,三尖弁逆流の重症度の低下,最大速度の低下が認められた。腎静脈波形解析では波形が連続性パターンに変化していたが,静脈のコンプライアンスを反映する静脈インピーダンス指数は基準範囲を超えていた。さらなる状態の改善を目的としてピモベンダンの投与を行ったところ,第230病日には臨床症状の劇的な改善が認められた。さらなる右心房の縮小が認められたが,三尖弁逆流最大速度は上昇していた。腎静脈波形解析では連続性パターンが保たれており,さらに静脈インピーダンス指数が基準範囲内に改善していた。本症例において肺高血圧症の臨床症状が改善するにしたがって腎静脈波形の変化が認められたことから,肺高血圧症の治療効果判定に有用な客観的な指標である可能性が考えられた。
AbstractList シーズー,10歳齢,去勢雄が3か月ほど前からの発咳,1か月前からの食欲不振・軟便・腹囲膨満を主訴に来院した。重度の右心室・右心房拡大,心室中隔の扁平化,肺動脈拡大,重度三尖弁逆流および腹水貯留が認められ,肺高血圧症に起因した右心不全と診断した。パルスドプラ法による腎静脈波形解析を実施したところ,拡張期において血流が途絶える不連続性パターンが認められた。治療としてクエン酸シルデナフィルを投与したところ,第202病日には臨床症状の部分的な改善が認められた。右心房の縮小,三尖弁逆流の重症度の低下,最大速度の低下が認められた。腎静脈波形解析では波形が連続性パターンに変化していたが,静脈のコンプライアンスを反映する静脈インピーダンス指数は基準範囲を超えていた。さらなる状態の改善を目的としてピモベンダンの投与を行ったところ,第230病日には臨床症状の劇的な改善が認められた。さらなる右心房の縮小が認められたが,三尖弁逆流最大速度は上昇していた。腎静脈波形解析では連続性パターンが保たれており,さらに静脈インピーダンス指数が基準範囲内に改善していた。本症例において肺高血圧症の臨床症状が改善するにしたがって腎静脈波形の変化が認められたことから,肺高血圧症の治療効果判定に有用な客観的な指標である可能性が考えられた。
Author 鈴木, 仁史
照喜名, 弘樹
森田, 智也
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References 10) Morita T, Nakamura K, Osuga T, Kawamoto S, Miki S, Sasaoka K, Takiguchi M. Acute effects of intravenous pimobendan administration in dog models of chronic precapillary pulmonary hypertension. J Vet Cardiol. 2020; 32: 16–27.
7) Lancellotti P, Moura L, Pierard LA, Agricola E, Popescu BA, Tribouilloy C, Hagendorff A, Monin J-L, Badano L, Zamorano JL. European Association of Echocardiography recommendations for the assessment of valvular regurgitation. Part 2: Mitral and tricuspid regurgitation (native valve disease). Eur J Echocardiogr. 2010; 11: 307–332.
18) Soydan LC, Kellihan HB, Bates ML, Stepien RL, Consigny DW, Bellofiore A, Francois CJ, Chesler NC. Accuracy of Doppler echocardiographic estimates of pulmonary artery pressures in a canine model of pulmonary hypertension. J Vet Cardiol. 2015; 17: 13–24.
17) Dupont M, Mullens W, Tang WHW. Impact of systemic venous congestion in heart failure. Curr Heart Fail Rep. 2011; 8: 233–241.
12) Chiba H, Seo Y, Sai S, Namekawa M, Ishizu T, Aonuma K. Renoprotective effects of tolvaptan in hypertensive heart failure rats depend on renal decongestion. Hypertens Res. 2019; 42: 319–328.
5) Jaffey JA, Leach SB, Kong LR, Wiggen KE, Bender SB, Reinero CR. Clinical efficacy of tadalafil compared to sildenafil in treatment of moderate to severe canine pulmonary hypertension: A pilot study. J Vet Cardiol. 2019; 24: 7–19.
19) Menciotti G, Abbott JA, Aherne M, Lahmers SM, Borgarelli M. Accuracy of echocardiographically estimated pulmonary artery pressure in dogs with myxomatous mitral valve disease. J Vet Cardiol. 2021; 35: 90–100.
1) Kellihan HB, Stepien RL. Pulmonary hypertension in dogs: Diagnosis and therapy. Vet Clin North Am—Small Anim Pract. 2010; 40: 623–641.
15) Nijst P, Martens P, Dupont M, Tang WHW, Mullens W. Intrarenal flow alterations during transition from euvolemia to intravascular volume expansion in heart failure patients. JACC Hear Fail. 2017; 5: 672–681.
6) Kellum HB, Stepien RL. Sildenafil citrate therapy in 22 dogs with pulmonary hypertension. J Vet Intern Med. 2007; 21: 1258–1264.
14) la Espriella-Juan R de, Núñez E, Miñana G, Sanchis J, Bayés-Genís A, González J, Chorro J, Núñez J. Intrarenal venous flow in cardiorenal syndrome: a shining light into the darkness. ESC Hear Fail. 2018; 5: 1173–1175.
2) Ueda Y, Johnson LR, Ontiveros ES, Visser LC, Gunther-Harrington CT, Stern JA. Effect of a phosphodiesterase-5A (PDE5A) gene polymorphism on response to sildenafil therapy in canine pulmonary hypertension. Sci Rep. 2019; 9: 6899.
8) Morita T, Nakamura K, Osuga T, Yokoyama N, Nisa K, Morishita K, Sasaki N, Ohta H, Takiguchi M. The repeatability and characteristics of right ventricular longitudinal strain imaging by speckle tracking echocardiography in healthy dogs. J Vet Cardiol. 2017; 19: 351–362.
13) Husain-Syed F, Birk HW, Tello K, Richter MJ, Ronco C, McCullough PA, Schörmann T, Ferrari F, Yücel G, Yazdani B, Walmrath HD, Seeger W, Gall H, Ardeschir Ghofrani H. Alterations in Doppler-derived renal venous stasis index during decompensation of right heart failure and fluid overload in a patient with pulmonary hypertension. Rev Cardiovasc Med. 2019; 20: 263–266.
16) Seo Y, Iida N, Yamamoto M, Ishizu T, Ieda M, Ohte N. Doppler-derived intrarenal venous flow mirrors right-sided heart hemodynamics in patients with cardiovascular disease. Circ J. 2020; 84: 1552–1559.
11) Iida N, Seo Y, Sai S, Machino-Ohtsuka T, Yamamoto M, Ishizu T, Kawakami Y, Aonuma K. Clinical implications of intrarenal hemodynamic evaluation by Doppler ultrasonography in heart failure. JACC Hear Fail. 2016; 4: 674–682.
9) Reinero C, Visser LC, Kellihan HB, Masseau I, Rozanski E, Clercx C, Williams K, Abbott J, Borgarelli M, Scansen BA. ACVIM consensus statement guidelines for the diagnosis, classification, treatment, and monitoring of pulmonary hypertension in dogs. J Vet Intern Med. 2020; 34: 549–573.
4) Johnson LR, Stern JA. Clinical features and outcome in 25 dogs with respiratory-associated pulmonary hypertension treated with sildenafil. J Vet Intern Med. 2020; 34: 65–73.
3) Kellihan HB, Waller KR, Pinkos A, Steinberg H, Bates ML. Acute resolution of pulmonary alveolar infiltrates in 10 dogs with pulmonary hypertension treated with sildenafil citrate: 2005–2014. J Vet Cardiol. 2014; 17: 182–191.
References_xml – reference: 10) Morita T, Nakamura K, Osuga T, Kawamoto S, Miki S, Sasaoka K, Takiguchi M. Acute effects of intravenous pimobendan administration in dog models of chronic precapillary pulmonary hypertension. J Vet Cardiol. 2020; 32: 16–27.
– reference: 8) Morita T, Nakamura K, Osuga T, Yokoyama N, Nisa K, Morishita K, Sasaki N, Ohta H, Takiguchi M. The repeatability and characteristics of right ventricular longitudinal strain imaging by speckle tracking echocardiography in healthy dogs. J Vet Cardiol. 2017; 19: 351–362.
– reference: 13) Husain-Syed F, Birk HW, Tello K, Richter MJ, Ronco C, McCullough PA, Schörmann T, Ferrari F, Yücel G, Yazdani B, Walmrath HD, Seeger W, Gall H, Ardeschir Ghofrani H. Alterations in Doppler-derived renal venous stasis index during decompensation of right heart failure and fluid overload in a patient with pulmonary hypertension. Rev Cardiovasc Med. 2019; 20: 263–266.
– reference: 2) Ueda Y, Johnson LR, Ontiveros ES, Visser LC, Gunther-Harrington CT, Stern JA. Effect of a phosphodiesterase-5A (PDE5A) gene polymorphism on response to sildenafil therapy in canine pulmonary hypertension. Sci Rep. 2019; 9: 6899.
– reference: 17) Dupont M, Mullens W, Tang WHW. Impact of systemic venous congestion in heart failure. Curr Heart Fail Rep. 2011; 8: 233–241.
– reference: 12) Chiba H, Seo Y, Sai S, Namekawa M, Ishizu T, Aonuma K. Renoprotective effects of tolvaptan in hypertensive heart failure rats depend on renal decongestion. Hypertens Res. 2019; 42: 319–328.
– reference: 1) Kellihan HB, Stepien RL. Pulmonary hypertension in dogs: Diagnosis and therapy. Vet Clin North Am—Small Anim Pract. 2010; 40: 623–641.
– reference: 15) Nijst P, Martens P, Dupont M, Tang WHW, Mullens W. Intrarenal flow alterations during transition from euvolemia to intravascular volume expansion in heart failure patients. JACC Hear Fail. 2017; 5: 672–681.
– reference: 19) Menciotti G, Abbott JA, Aherne M, Lahmers SM, Borgarelli M. Accuracy of echocardiographically estimated pulmonary artery pressure in dogs with myxomatous mitral valve disease. J Vet Cardiol. 2021; 35: 90–100.
– reference: 9) Reinero C, Visser LC, Kellihan HB, Masseau I, Rozanski E, Clercx C, Williams K, Abbott J, Borgarelli M, Scansen BA. ACVIM consensus statement guidelines for the diagnosis, classification, treatment, and monitoring of pulmonary hypertension in dogs. J Vet Intern Med. 2020; 34: 549–573.
– reference: 14) la Espriella-Juan R de, Núñez E, Miñana G, Sanchis J, Bayés-Genís A, González J, Chorro J, Núñez J. Intrarenal venous flow in cardiorenal syndrome: a shining light into the darkness. ESC Hear Fail. 2018; 5: 1173–1175.
– reference: 16) Seo Y, Iida N, Yamamoto M, Ishizu T, Ieda M, Ohte N. Doppler-derived intrarenal venous flow mirrors right-sided heart hemodynamics in patients with cardiovascular disease. Circ J. 2020; 84: 1552–1559.
– reference: 18) Soydan LC, Kellihan HB, Bates ML, Stepien RL, Consigny DW, Bellofiore A, Francois CJ, Chesler NC. Accuracy of Doppler echocardiographic estimates of pulmonary artery pressures in a canine model of pulmonary hypertension. J Vet Cardiol. 2015; 17: 13–24.
– reference: 3) Kellihan HB, Waller KR, Pinkos A, Steinberg H, Bates ML. Acute resolution of pulmonary alveolar infiltrates in 10 dogs with pulmonary hypertension treated with sildenafil citrate: 2005–2014. J Vet Cardiol. 2014; 17: 182–191.
– reference: 6) Kellum HB, Stepien RL. Sildenafil citrate therapy in 22 dogs with pulmonary hypertension. J Vet Intern Med. 2007; 21: 1258–1264.
– reference: 7) Lancellotti P, Moura L, Pierard LA, Agricola E, Popescu BA, Tribouilloy C, Hagendorff A, Monin J-L, Badano L, Zamorano JL. European Association of Echocardiography recommendations for the assessment of valvular regurgitation. Part 2: Mitral and tricuspid regurgitation (native valve disease). Eur J Echocardiogr. 2010; 11: 307–332.
– reference: 4) Johnson LR, Stern JA. Clinical features and outcome in 25 dogs with respiratory-associated pulmonary hypertension treated with sildenafil. J Vet Intern Med. 2020; 34: 65–73.
– reference: 11) Iida N, Seo Y, Sai S, Machino-Ohtsuka T, Yamamoto M, Ishizu T, Kawakami Y, Aonuma K. Clinical implications of intrarenal hemodynamic evaluation by Doppler ultrasonography in heart failure. JACC Hear Fail. 2016; 4: 674–682.
– reference: 5) Jaffey JA, Leach SB, Kong LR, Wiggen KE, Bender SB, Reinero CR. Clinical efficacy of tadalafil compared to sildenafil in treatment of moderate to severe canine pulmonary hypertension: A pilot study. J Vet Cardiol. 2019; 24: 7–19.
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SubjectTerms シルデナフィル
ピモベンダン
肺高血圧症
腎静脈波形解析
静脈インピーダンス指数
Title 経時的な腎静脈波形解析が肺高血圧症の治療効果判定に有用であった犬の1例
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