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Akira Yairo

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El-Husseiny HM, Mady EA, Usui T, Ishihara Y, Yoshida T, Kobayashi M, Sasaki K, Ma D, Yairo A, Mandour AS, Hendawy H, Doghish AS, Mohammed OA, Takahashi K, Tanaka R. Adipose Stem Cell-Seeded Decellularized Porcine Pericardium: A Promising Functional Biomaterial to Synergistically Restore the Cardiac Functions Post-Myocardial Infarction. Vet Sci 2023;10:660. [PMID: 37999483 PMCID: PMC10675230 DOI: 10.3390/vetsci10110660] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/19/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023] Open

Affiliation(s)

Hussein M. El-Husseiny Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi 183-8509, Tokyo, Japan; (K.S.); (D.M.); (A.Y.); (A.S.M.); (H.H.) Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh 13736, Elqaliobiya, Egypt
Eman A. Mady Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi 183-8509, Tokyo, Japan; Department of Animal Hygiene, Behavior and Management, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh 13736, Elqaliobiya, Egypt
Tatsuya Usui Laboratory of Veterinary Pharmacology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi 183-8509, Tokyo, Japan; (T.U.); (Y.I.)
Yusuke Ishihara Laboratory of Veterinary Pharmacology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi 183-8509, Tokyo, Japan; (T.U.); (Y.I.)
Toshinori Yoshida Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi 183-8509, Tokyo, Japan; (T.Y.); (M.K.)
Mio Kobayashi Laboratory of Veterinary Pathology, Division of Animal Life Science, Institute of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi 183-8509, Tokyo, Japan; (T.Y.); (M.K.)
Kenta Sasaki Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi 183-8509, Tokyo, Japan; (K.S.); (D.M.); (A.Y.); (A.S.M.); (H.H.)
Danfu Ma Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi 183-8509, Tokyo, Japan; (K.S.); (D.M.); (A.Y.); (A.S.M.); (H.H.) College of Veterinary Medicine, Nanjing Agricultural University, No. 1 Wei-Gang, Xuanwu District, Nanjing 210095, China
Akira Yairo Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi 183-8509, Tokyo, Japan; (K.S.); (D.M.); (A.Y.); (A.S.M.); (H.H.)
Ahmed S. Mandour Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi 183-8509, Tokyo, Japan; (K.S.); (D.M.); (A.Y.); (A.S.M.); (H.H.) Department of Animal Medicine (Internal Medicine), Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Ismailia, Egypt
Hanan Hendawy Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi 183-8509, Tokyo, Japan; (K.S.); (D.M.); (A.Y.); (A.S.M.); (H.H.) Department of Veterinary Surgery, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Ismailia, Egypt
Ahmed S. Doghish Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City 11829, Cairo, Egypt; Department of Biochemistry, and Molecular Biology Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11651, Cairo, Egypt
Osama A. Mohammed Department of Clinical Pharmacology, College of Medicine, University of Bisha, Bisha 61922, Saudi Arabia;
Ken Takahashi Department of Pediatrics and Adolescent Medicine, Juntendo University Graduate School of Medicine, Bunkyo 113-8421, Tokyo, Japan;
Ryou Tanaka Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi 183-8509, Tokyo, Japan; (K.S.); (D.M.); (A.Y.); (A.S.M.); (H.H.)

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Enokizono M, Mandour AS, Komeda S, Goya S, Takeuchi A, Katoh K, Yairo A, Yilmaz Z, Shimada K, Tanaka R. Hemodynamic effect of pimobendan following intramuscular and intravenous administration in healthy dogs: A pilot study. Front Vet Sci 2022;9:969304. [PMID: 36311676 PMCID: PMC9597246 DOI: 10.3389/fvets.2022.969304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 08/29/2022] [Indexed: 11/04/2022] Open

Abstract

Background

Pimobendan is widely used for the treatment of dogs with heart failure via the oral route. A new injectable form of pimobendan is now available and its potential usefulness via intravenous route has been recently demonstrated in dogs. However, the cardiovascular effects of intramuscular (IM) administration of injectable pimobendan have not been investigated yet.

Hypothesis

IM administration of pimobendan may have the same hemodynamic effect as the IV route.

Methods

Six healthy Beagle dogs underwent a placebo-controlled double-blind crossover study. The early cardiovascular effects after a single dose of IM and IV injections of pimobendan (0.2 ml/kg; Pimo IM and Pimo IV, respectively) were compared to the same volume of IM placebo (Saline IM) in anesthetized dogs. Clinical [heart rate (HR) and blood pressure (BP)] and echocardiographic hemodynamic parameters [left ventricular (LV) inflow waveforms of diastolic early wave (eV), atrial systolic wave (aV), diastolic early mitral ring velocity (e′), peak velocity (pV), stroke volume (SV), cardiac output (CO), and systemic vascular resistance (SVR)] were monitored with 15 min intervals for 120 min.

Results

Diastolic BP decreased significantly at 30 min in Pimo IM compared to Saline IM. Mean eV and CO values significantly increased from 75 min, e′ from 60 min, pV from 75 min, and SV from 15 to 120 min, whereas SVR significantly decreased at 30–60 min in Pimo IM compared to those of Saline IM (P < 0.05). Compared with the Pimo IV, eV and pV were significantly lower at 30–60 min (P < 0.05) while SV was significantly higher at 90–105 min in Pimo IM (P < 0.05). Other hemodynamic parameters (BP, HR, SVR, CO, e′, and E/e′) did not significantly change between Pimo IM and IV.

Conclusions

The hemodynamic effect of pimobendan following IM and IV injection was described. Our results suggested that IM administration of pimobendan is equally comparable and possibly interchangeable with IV administration. This warrant further studies to investigate the clinical effectiveness of IM pimobendan in treating dogs with congestive heart failure or in heart failure cases unable to receive IV or oral administration.

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Yairo A, Mandour AS, Matsuura K, Yoshida T, Ma D, Kitpipatkun P, Kato K, Cheng CJ, El-Husseiny HM, Tanaka T, Shimada K, Hamabe L, Uemura A, Takahashi K, Tanaka R. Effect of Loading Changes on the Intraventricular Pressure Measured by Color M-Mode Echocardiography in Rats. Diagnostics (Basel) 2021;11:1403. [PMID: 34441337 PMCID: PMC8391789 DOI: 10.3390/diagnostics11081403] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/28/2021] [Accepted: 07/31/2021] [Indexed: 02/06/2023] Open

Abstract

Evaluation of diastolic function is a pivotal challenge due to limitations of the conventional echocardiography, especially when the heart rate is rapid as in rats. Currently, by using color M-mode echocardiography (CMME), intraventricular pressure difference (IVPD) and intraventricular pressure gradient (IVPG) in early diastole can be generated and are available as echocardiographic indices. These indices are expected to be useful for the early diagnosis of heart failure (HF), especially diastolic dysfunction. There have not been any studies demonstrating changes in IVPD and IVPG in response to changes in loading conditions in rats. Therefore, the present study aims to evaluate CMME-derived IVPD and IVPG changes in rats under various loading conditions. Twenty rats were included, divided into two groups for two different experiments, and underwent jugular vein catheterization under inhalational anesthetics. Conventional echocardiography, CMME, and 2D speckle tracking echocardiography were measured at the baseline (BL), after intravenous infusion of milrinone (MIL, n = 10), and after the infusion of hydroxyethyl starch (HES, n = 10). Left ventricular IVPD and IVPG were calculated from color M-mode images and categorized into total, basal, mid-to-apical, mid, and apical parts, and the percentage of the corresponding part was calculated. In comparison to the BL, the ejection fraction, mid-to-apical IVPG, mid IVPG, and apical IVPD were significantly increased after MIL administration (p < 0.05); meanwhile, the end-diastolic volume, E-wave velocity, total IVPD, and basal IVPD were significantly increased with the administration of HES (p < 0.05). The increase in mid-to-apical IVPD, mid IVPD, and apical IVPD indicated increased relaxation. A significant increase in basal IVPD reflected volume overloading by HES. CMME-derived IVPD and IVPG are useful tools for the evaluation of various loading conditions in rats. The approach used in this study provides a model for continuous data acquisition in chronic cardiac disease models without drug testing.

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Affiliation(s)

Akira Yairo Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)
Ahmed S. Mandour Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.) Department of Animal Medicine (Internal Medicine), Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
Katsuhiro Matsuura Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)
Tomohiko Yoshida Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)
Danfu Ma Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)
Pitipat Kitpipatkun Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)
Konosuke Kato Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)
Chieh-Jen Cheng Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)
Hussein M. El-Husseiny Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.) Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya 13736, Egypt
Takashi Tanaka Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)
Kazumi Shimada Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)
Lina Hamabe Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)
Akiko Uemura Department of Veterinary Surgery, Division of Veterinary Research, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan;
Ken Takahashi Department of Pediatrics and Adolescent Medicine, Juntendo University Graduate School of Medicine, Tokyo 113-8421, Japan;
Ryou Tanaka Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (A.Y.); (K.M.); (T.Y.); (D.M.); (P.K.); (K.K.); (C.-J.C.); (H.M.E.-H.); (T.T.); (K.S.); (L.H.)

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Takeuchi A, Uemura A, Goya S, Shimada K, Yoshida T, Hara S, Sato K, Shiraishi K, Yairo A, Kto K, Matsuura K, Tanaka R. The utility of patent ductus arteriosus closure with hemostatic clip in dogs. Pol J Vet Sci 2021;23:255-260. [PMID: 32627978 DOI: 10.24425/pjvs.2020.133640] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]

Affiliation(s)

A Takeuchi Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan
A Uemura Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8572, Japan
S Goya Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan
K Shimada Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan
T Yoshida Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan
S Hara Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan
K Sato Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan
K Shiraishi Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan
A Yairo Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan
K Kto Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan
K Matsuura Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan
R Tanaka Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai, Fuchu, Tokyo, 183-8509, Japan

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Kitpipatkun P, Yairo A, Kato K, Matsuura K, Ma D, Goya S, Uemura A, Takahashi K, Tanaka R. Effects of Individual and Coexisting Diabetes and Cardiomyopathy on Diastolic Function in Rats (Rattus norvegicus domestica). Comp Med 2020;70:499-509. [PMID: 33138891 DOI: 10.30802/aalas-cm-20-000042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]