• Title/Summary/Keyword: Enalapril

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Double Outlet Right Ventricle in a Maltese Dog (말티스견에서 발생한 양대혈관 우심실기시)

  • Lee, Jong-Sung;Choi, Ran;Han, Suk-Hee;Hyun, Chang-Baig
    • Journal of Veterinary Clinics
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    • v.27 no.6
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    • pp.735-739
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    • 2010
  • An 8 month old female Maltese (body weight 3.6 kg) was referred with primary complaints of dyspnea and exercise intolerance. Diagnostic imaging studies revealed marked cardiomegaly and prominent main pulmonary trunk dilation on thoracic radiography, abnormally arisen aortic roots (toward right ventricle) with left-to right shunted perimembraneous ventricular septal defect located underneath of aortic root, aortic root was located to predominantly to the right ventricle and pulmonary regurgitation (peak velocity 4.7 m/s, pressure gradient ~88 mmHg) from pulmonary over-circulation and hypertension on echocardiography, indicating double outlet right ventricle (DORV). The dog was treated with furosemide (1 mg/kg, BID) for reducing volume overload at right ventricle, spironolatcone (1 mg/kg) and enalapril (0.5 mg/kg) for minimizing deleterious cardiac remodeling, and sildenafil (1 mg/kg) for lessening pulmonary over-circulation and hypertension. The clinical condition of this dog was improved after 1 week of medical treatment. The dog is currently survived and regularly monitored.

Restrictive Cardiomyopathy in a Korean Domestic Short-haired Cat (코리안 숏헤어 고양이의 제한성 심근병증)

  • Nam, Hyo-Seung;Han, Suk-Hee;Choi, Ran;Lee, Seung-Gon;Hyun, Chang-Baig
    • Journal of Veterinary Clinics
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    • v.29 no.3
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    • pp.242-246
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    • 2012
  • A 3-year-old castrated male Korean domestic short-haired cat (weighing 5.2 kg) was referred to the Kangwon National University Veterinary Teaching Hospital, with primary complaints of ascites, pleural effusion and respiratory distress. Diagnostic studies revealed marked chylous and hemorrhagic pleural effusion, cardiomegaly, restrictive filling pattern of transmitral flow and mitral annular tissue Doppler profiles and minimally thickened left ventricular free wall. Based on the echocardiographic findings, the case was tentatively diagnosed as restrictive cardiomyopathy. The case was treated with removal of pleural effusion and medical therapy including furosemide, enalapril, sildenafil, clopidogrel. This is the first case report of restrictive cardiomyopathy in Korea.

Bioequivalence of Lisihexal® tablet to Zestril® tablet(Lisinopril 10 mg) (제스트릴®정(리시노프릴, 10 mg)에 대한 리시헥살®정의 생물학적동등성)

  • Oh, Soo-Yeon;Aryal Dipendra Kumar;Cho, Jong-Tae;Kim, Hyung-Gun;Kim, Yoon-Gyoon
    • Journal of Pharmaceutical Investigation
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    • v.36 no.4
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    • pp.277-282
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    • 2006
  • Lisinopril is one of the angiotensin-converting enzyme inhibitors, which have been used for treatment of hypertension and heart failure. The aim of this study was to evaluate the bioequivalence of two lisinopril tablet, $Lisihexal^{\circledR}$ and $Zestril^{\circledR}$ as a test and reference, respectively. The study was came out on 28 healthy male Korean volunteers in $2{\times}2$ crossover design. An analytical method with LC-MS-MS was developed for the quantification of lisinopril and enalapril(IS) using SPE method. The condition was selective, sensitive and precise in human plasma, that was enough for the pharmacokinetic study of lisinopril. The pharmacokinetic parameters such as $AUC_t,\;AUC_{inf},\;C_{max},\;T_{max}\;and\;t_{1/2}$ were calculated and ANOVA test was used for the statistical analysis of the parameters using log transformed $AUC_t,\;AUC_{inf}\;and\;C_{max}$. $t_{1/2}$ of test and reference drugs were calculated $11.4{\pm}5.1\;and\;16.1{\pm}9.9\;hr$, respectively. The 90% confidence intervals of $AUC_t,\;AUC_{inf}\;and\;C_{max}$ were log 0.9245$\sim$log 1.0603, log 0.9270$\sim$log 1.0601 and log 0.9548$\sim$log 1.1009, within the acceptable range of log 0.8 to log 1.25 by KFDA bioequivalence criteria. Two medications of lisinopril were evaluated bioequivalent and thus may be prescribed interchangeably.

Sinoatrial Reentrant Tachycardia in a Yorkshire Cross Dog (요크셔테리어 잡종견에서 나타난 동방회귀성 빈맥증)

  • Nam, So-Jeong;Hyun, Chang-Baig
    • Journal of Veterinary Clinics
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    • v.25 no.5
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    • pp.391-395
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    • 2008
  • An 8-year-old intact male Yorkshire cross dog (7.5 kg of body weight) was referred with the primary complaint of exercise intolerance and occasional syncope. Initial cardiological examination could not identify any abnormalities except mild mitral regurgitation. Exercise stress test revealed chronotrophic incompetence. Furthermore the 1 hr-digital event recording found the sudden onset of paroxysmal sinus tachycaridas (156-172 bpm) lasting few minutes and stopping abruptly. In addition, the tachycardia terminated by vagal maneuver and verapamil administration. Based on this finding, the case was diagnosed as sinoatrial reentrant tachycardia (SART). The dog was treated with diltiazem and enalapril. Although the dog still has exercise intolerance, no syncope has been observed after medication.

Trilogy of Fallot in a Dog (개에서 발생한 팔로삼징)

  • Choi, Ran;Ahn, Hyo-Jin;Hyun, Changbaig
    • Journal of Veterinary Clinics
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    • v.29 no.5
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    • pp.404-407
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    • 2012
  • A 3 years-old female mixed dog (weighing 5.3 kg) was referred to veterinary teaching hospital of Kangwon National University with primary complaints of syncope, severe exercise intolerance, depression and lethargy. Diagnostic studies revealed polycythemia, right sided cardiac enlargement on thoracic radiography and right-to left atrial septal defect, severe pulmonary stenosis (~5 m/s of peak velocity) and right ventricular hypertrophy. Based on diagnostic findings, the dog was diagnosed as trilogy of Fallot. To improve clinical condition of this dog, diltiazem and enalapril were prescribed with weekly phlebotomy. To author's best knowledge, this is the first case of trilogy of Fallot in Korea.

Effect of Blood Pressure on the Endothelium-Dependent Contraction in Rat Aorta

  • Jeon, Byeong-Hwa;Kim, Hoe-Suk;Kim, Se-Hoon;Chang, Seok-Jong
    • The Korean Journal of Physiology
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    • v.30 no.1
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    • pp.21-31
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    • 1996
  • To investigate the mechanisms of increased endothelium-dependent contraction by acetylcholine in hypertensive rats, the relationship between endothelium-dependent contraction by acetylcholine and blood pressure was studied in spontaneously hypertensive rats (SHR), one-kidney, one clip Goldblatt hypertension (1K,1C-GBH) rats, and Wistar-Kyoto rats (WKY). SHR were treated orally with enalapril or nicardipine in order to prevent development of hypertension or suppress the developed hypertension. 1K,1C-GBH rats were made by renal artery stenosis with contralateral nephrectomy in 8 week-WKY. 1. Endothelium-dependent contractions by acetylcholine $(10^{-6}{\sim}10^{-5}\;M)$ in SHR were significantly greater than those in WKY. 2. Chronic treatment with enalapril or nicardipine reduced the endothelium-dependent contraction in SHR 3. The degree of reduction of endothelium-dependent contraction was greater in SHR which was prevented from developing hypertension than in SHR of which high blood pressure was suppressed. 4. In aortic rings from 1K,1C-GBH rats, endothelium-dependent contractions by acetylcholine were augmented as compared with WKY. 5. There is good relationship between the value of blood pressure and magnitude of endothelium-dependent contraction. Thus, it is suggested that increased endothelium-dependent contraction in hypertensive rats may he due to the high blood pressure and endothelium-dependent contraction may not be a cause of the initiation of hypertension in SHR.

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Inhibitory Effects of Eucommia ulmoides Extract on Angiotensin Converting Enzyme (두충차 추출물의 Angiotensin Converting Enzyme 저해효과)

  • Shon, Mi-Yae;Nam, Sang-Hae
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.36 no.12
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    • pp.1511-1516
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    • 2007
  • To assess a potential possibility of Eucommia ulmoides (EU) as a functional food, anti-hypertensive materials of EU were isolated by silica gel column, thin layer and reverse phase column chromatographies, and then ACE (angiotensin-converting emzyme) inhibitory activities of different parts (leaf, bark, and stem) were investigated. The isolated compound, 8A, was pinoresinol-4,4'-di-O-${\beta}$-D-glucoside (below PDG) originating from Eucommial Cortex and its purity was 95.64%. Of all the samples tested, PDG in raw bark and roasted bark was the highest level at 135.13 mg% and 163.67 mg%, respectively. In ACE inhibitory activity at 10 mg/mL of EU extracts, roasted leaf, raw bark, and roasted bark were 77.56%, 75.73%, and 75.73%, respectively. ACE activities at 1 mg/mL were shown to be 91.87% for PDG, 97.06% for $Enalapril^{(R)}$, and 90.32% for $Captopril^{(R)}$.

A Case of Suspected Pericardial Effusion caused by Left Atrial Rupture due to Myxomatous Mitral Valve Degeneration

  • Han, Donghyun;Jung, Dong-In
    • Journal of Veterinary Clinics
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    • v.37 no.3
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    • pp.153-156
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    • 2020
  • A 14-year-old intact female Cocker Spaniel dog, weighing 6.8 kg, presented with chief complaints of severe cough, dyspnea, anorexia, and exercise intolerance. It had the characteristics of a blood clot, the evidence of mitral regurgitation, a high left atrial/aortic root ratio, and pericardial effusion with a left atrial rupture due to myxomatous mitral valve degeneration (MMVD) was strongly suspected. Traditional therapy (pimobendan, furosemide, enalapril, and spironolactone) for heart failure with MMVD was provided twice a day orally, and partial pericardiectomy was performed for pericardial effusion. The medical prescriptions for MMVD were continued, and the patient's heart disease was well-controlled. However, it suddenly died 3 months after the operation.

Partial Atrioventricular Canal Defect in a Maltese Dog

  • Lee, Seung-Gon;Nam, So-Jeong;Moon, Hyeong-Sun;Hyun, Chang-Baig
    • Journal of Veterinary Clinics
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    • v.25 no.3
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    • pp.195-199
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    • 2008
  • A 2-year-old female Maltese dog was referred with primary complaints of exercise intolerance and abnormal heart sound. Clinical and diagnostic investigation revealed split S2 and S4 gallop in the cardiac auscultation, tall P wave and left anterior fascicular block in the electrocardiogram, left atrial enlargement on the thoracic radiography, ostium primum atrial septal defect and cleft of the anterior leaflet of the mitral valve on the echocardiography. Based on those findings, the dog was diagnosed as the partial atrioventricular canal defect. Since the dog showed mild exercise intolerance, enalapril and furosemide were prescribed.

Tricuspid valve dysplasia complicated with pulmonic regurgitation in a Cocker Spaniel dog

  • Nam, So-Jeong;Choi, Ran;Park, In-Chul;Hyun, Changbaig
    • Korean Journal of Veterinary Research
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    • v.48 no.4
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    • pp.481-487
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    • 2008
  • A 17-month-old intact male Cocker Spaniel was presented with primary complaints of severe ascites, exercise intolerance, and diarrhea. Diagnostic studies revealed tricuspid and pulmonic regurgitation on phonocardiogram, right ventricular enlargement on the electrocardiogram, typical right cardiac enlargement signs on the thoracic radiography and tricuspid valve malformation and marked enlargement of the right atrium and right ventricle on the echocardiography and tricuspid and pulmonary regurgitation on the color spectral echocardiography, suggesting tricuspid valve dysplasia and pulmonary hypertension. Using angiography and cardiac catheterization, pulmonary hypertension was ruled out. Further echocardiographic study revealed membranous valvular structures cranial to pulmonary annulus causing pulmonary regurgitation. Based on these findings on the diagnostic investigation, the case was diagnosed as tricuspid valve dysplasia complicated with pulmonic regurgitation. The dog was medically managed with furosemide, enalapril, nitroglycerine transdermal patch and pimobendan after the ascitic fluid removal.