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mitral regurgitation and drugs anesthesia

Takeshi Omae
Hypertrophic cardiomyopathy is a common inherited cardiovascular disease present in one in 500 of the general population. It is caused by more than 1,400 mutations in 11 or more genes encoding proteins of the cardiac sarcomere. In the absence of evidence of any other cardiac or systemic disease that could have resulted in the hypertrophic event, diagnosis of hypertrophic cardiomyopathy requires a hypertrophied non-dilated left ventricle. It is associated with a significant risk for anesthesia. During anesthesia in patients diagnosed with hypertrophic cardiomyopathy, it is essential to maintain relatively slow heart rate, prevent hypovolemia, maintain or increase systemic vascular resistance, and avoid propofol as the sole anesthetic agent...
January 2014: Masui. the Japanese Journal of Anesthesiology
Alexandre Ferreira Cury, Marcelo Luiz Campos Vieira, Claudio Henrique Fischer, Ana Clara Tude Rodrigues, Adriana Cordovil, Claudia Monaco, Gustavo Alberto Naccarato, Glaucia Tavares, Edgar Bezerra Lira Filho, Laise Antonia Guimarães, Samira Saady Morhy
BACKGROUND: TEE is a semi-invasive tool broadly used and its utilization associated to sedatives drugs might to affect the procedure safety. OBJECTIVE: to analyze aspects of TEE safety associated to the use of Midazolan (MZ) and Flumazenil (FL) and the influence of the clinical variables on the event rate. METHOD: prospective study with 137 patients that underwent TEE with MZ associated to moderate sedation. We analyzed the following events: complications related with the topical anesthesia, with MZ use and with the procedure...
November 2009: Arquivos Brasileiros de Cardiologia
Ali Dabbagh, Ali S Mar'ashi, Bahman Malek
A 75-year-old man referred to the outpatient vascular surgery clinic of Taleghani Hospital (Shaheed Beheshti University of Medicine, Tehran, Iran) due to a local nontender mass in his groin. In his history, it was discovered that the mass had appeared a few months after a gunshot injury. He had a history of shortness of breath with a New York Heart Association functional class fluctuating between II and III, but no history of smoking or addiction. In the physical examination, a 5-cm by 5-cm nonpulsatile mass with engorged vessels was found in the anterior portion of the left groin, which was not tender...
October 2007: Military Medicine
Eric Plante, Dominic Lachance, Elise Roussel, Marie-Claude Drolet, Marie Arsenault, Jacques Couet
BACKGROUND: Echocardiography is used on rats but general anesthesia is usually necessary to be able to obtain a good quality echocardiogram. Each type of anesthetic agent has specific impacts on hemodynamics and, therefore, may affect differentially the echocardiographic measurements. OBJECTIVES: We sought to compare the echocardiograms of normal rats and rats with chronic aortic regurgitation under anesthesia using ketamine-xylazine or isoflurane. METHODS: Animals underwent an echocardiogram with both drugs sequentially...
December 2006: Journal of the American Society of Echocardiography
C L Miller, A M Schwartz, J S Barnhart, M D Bell
Chronic severe subclinical systemic hypertension was diagnosed in a 28-yr-old male western lowland gorilla (Gorilla gorilla gorilla). Thoracic radiography, electrocardiography, and echocardiography revealed an enlarged heart with a hypertrophied left ventricle, mitral regurgitation, and a persistent left bundle branch block. Enalapril, later combined with nifedipine, was of some value in reducing the hypertension, with partial reversal of cardiac enlargement and resolution of the bundle branch block. Two years after initiation of treatment, the gorilla developed lethargy and dyspnea...
June 1999: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
T J Phillips
A left ventricular assist device (LVAD) is intended for use as a temporary bridge to transplantation in patients with end-stage cardiac failure until a donor heart becomes available. This case report discusses the anesthetic management of a patient undergoing implantation of an LVAD. Tremendous advances have been made in cardiac transplantation; however, there is an acute donor shortage in the face of an increased need for donor hearts. These two factors have been the impetus for the development and testing of a mechanical assist device...
October 1997: AANA Journal
T Hachenberg, T Möllhoff, D Holst, D Hammel, T Brüssel
OBJECTIVE: To compare the cardiovascular and pulmonary effects of the phosphodiesterase III inhibitor enoximone (EN) or a combination of dobutamine (DOB) and nitroglycerin (NTG) before and after mitral valve repair or replacement. DESIGN: Prospective, randomized, controlled clinical study. SETTING: University hospital. PARTICIPANTS: Twenty patients with mitral regurgitation and pulmonary venous hypertension scheduled for elective mitral valve surgery...
June 1997: Journal of Cardiothoracic and Vascular Anesthesia
R T Skarda, W W Muir, R M Bednarski, J A Hubbell, D E Mason
The purpose of this study was to review the incidence of cardiac arrhythmias in 137 anesthetized dogs and 13 anesthetized cats with congenital or acquired heart disease that were referred for correction of following procedures: patent ductus arteriosus (PDA-ligation, 28%), cardiac catheterization with angiogram and angioplasty (22%), pacemaker implantation (18%), exploratory lateral thoracotomy (8.7%), correction of right aortic arch (ring anomaly, 3.3%), correction of subvalvular aortic stenosis (2.7%), correction of PDA with coil in patients with mitral regurgitation and congestive heart failure (2%), pericardectomy and removal of heart base tumor (2%), and palliative surgery for ventricular septal defect (VSD, 0...
1995: Schweizer Archiv Für Tierheilkunde
R T Skarda, R M Bednarski, W W Muir, J A Hubbell, D E Mason
The purpose of this study was to review the effects of sedatives and anesthetics in 137 dogs and 13 cats with congenital or acquired heart disease which were referred for diagnostic, therapeutic, and surgical interventions: correction of patent ductus arteriosus (PDA-ligation, 28%), cardiac catheterization with angiogram and angioplasty (22%), pacemaker implantation (18%), exploratory lateral thoracotomy (8.7%), correction of right aortic arch (ring anomaly, 3.3%), correction of subvalvular aortic stenosis (2...
1995: Schweizer Archiv Für Tierheilkunde
D R Larach, F A Hensley, D E Martin, K M High, G W Rung, T M Skeehan
The hemodynamic effects of three nondepolarizing skeletal muscle relaxant drug regimens were compared during the induction of general anesthesia in 64 patients with valvular heart disease using a double-blind protocol. Patients were first stratified according to primary valvular defect (aortic stenosis, aortic regurgitation, mitral stenosis, or mitral regurgitation). Next, patients were randomly allocated to a drug group, either group A (atracurium), group V (vecuronium), or group MP (metocurine plus pancuronium)...
April 1991: Journal of Cardiothoracic and Vascular Anesthesia
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