Assessment of myocardial damage by circulating cardiac myosin light chain I after heart transplantation. 1994

T Uchino, and A Belboul, and A el-Gatit, and D Roberts, and E Berglin, and G William-Olsson
Department of Thoracic and Cardiovascular Surgery, Sahlgrenska Hospital, University of Gothenburg, Sweden.

The purpose of this study was to evaluate the cardiac damage by cardiac myosin light chain I after transplantation. This study included 30 patients who underwent cardiac operations and who were divided into three groups. These groups consisted of (1) control group, 15 valvular patients without coronary disease (no electrocardiography changes and creatine kinase MB isoenzyme of 100 micrograms/L or less); (2) infarction group, eight patients (six coronary bypass and two valvular patients with perioperative infarction pattern in the electrocardiography and creatine kinase MB isoenzyme of 100 micrograms/L or more; and (3) transplantation group, seven transplant patients (six heart and one heart-lung). The peak cardiac myosin light chain I value in the transplantation group (32.9 +/- 3.4 micrograms/L) was comparable to the infarction group (27.6 +/- 2.6 micrograms/L), and both of them were significantly higher than the control group (9.2 +/- 0.9 micrograms/L) (p < 0.01). Peak cardiac myosin light chain I levels in the control and transplantation groups correlated with the ischemic time (r = 0.48, p < 0.05 and r = 0.67, p < 0.05, respectively). The total dose of dopamine in the transplantation group correlated with the peak cardiac myosin light chain I (r = 0.67, p < 0.05), and with the cardiac myosin light chain I value on day 7 (r = 0.88, p < 0.01). This study suggests that circulating cardiac myosin light chain I estimations are useful to evaluate myocardial damage after transplantation during postoperative week 1.

UI MeSH Term Description Entries
D007036 Hypothermia, Induced Abnormally low BODY TEMPERATURE that is intentionally induced in warm-blooded animals by artificial means. In humans, mild or moderate hypothermia has been used to reduce tissue damages, particularly after cardiac or spinal cord injuries and during subsequent surgeries. Induced Hypothermia,Mild Hypothermia, Induced,Moderate Hypothermia, Induced,Targeted Temperature Management,Therapeutic Hypothermia,Hypothermia, Therapeutic,Induced Mild Hypothermia,Induced Mild Hypothermias,Induced Moderate Hypothermia,Induced Moderate Hypothermias,Mild Hypothermias, Induced,Moderate Hypothermias, Induced,Targeted Temperature Managements
D007527 Isoenzymes Structurally related forms of an enzyme. Each isoenzyme has the same mechanism and classification, but differs in its chemical, physical, or immunological characteristics. Alloenzyme,Allozyme,Isoenzyme,Isozyme,Isozymes,Alloenzymes,Allozymes
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009203 Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION). Cardiovascular Stroke,Heart Attack,Myocardial Infarct,Cardiovascular Strokes,Heart Attacks,Infarct, Myocardial,Infarction, Myocardial,Infarctions, Myocardial,Infarcts, Myocardial,Myocardial Infarctions,Myocardial Infarcts,Stroke, Cardiovascular,Strokes, Cardiovascular
D009206 Myocardium The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARDIAC) connected to form the contractile pump to generate blood flow. Muscle, Cardiac,Muscle, Heart,Cardiac Muscle,Myocardia,Cardiac Muscles,Heart Muscle,Heart Muscles,Muscles, Cardiac,Muscles, Heart
D009218 Myosins A diverse superfamily of proteins that function as translocating proteins. They share the common characteristics of being able to bind ACTINS and hydrolyze MgATP. Myosins generally consist of heavy chains which are involved in locomotion, and light chains which are involved in regulation. Within the structure of myosin heavy chain are three domains: the head, the neck and the tail. The head region of the heavy chain contains the actin binding domain and MgATPase domain which provides energy for locomotion. The neck region is involved in binding the light-chains. The tail region provides the anchoring point that maintains the position of the heavy chain. The superfamily of myosins is organized into structural classes based upon the type and arrangement of the subunits they contain. Myosin ATPase,ATPase, Actin-Activated,ATPase, Actomyosin,ATPase, Myosin,Actin-Activated ATPase,Actomyosin ATPase,Actomyosin Adenosinetriphosphatase,Adenosine Triphosphatase, Myosin,Adenosinetriphosphatase, Actomyosin,Adenosinetriphosphatase, Myosin,Myosin,Myosin Adenosinetriphosphatase,ATPase, Actin Activated,Actin Activated ATPase,Myosin Adenosine Triphosphatase
D009926 Organ Preservation The process by which organs are kept viable outside of the organism from which they were removed (i.e., kept from decay by means of a chemical agent, cooling, or a fluid substitute that mimics the natural state within the organism). Organ Preservations,Preservation, Organ,Preservations, Organ
D002314 Cardioplegic Solutions Solutions which, upon administration, will temporarily arrest cardiac activity. They are used in the performance of heart surgery. Cardioplegic Solution,Solution, Cardioplegic,Solutions, Cardioplegic
D002315 Cardiopulmonary Bypass Diversion of the flow of blood from the entrance of the right atrium directly to the aorta (or femoral artery) via an oxygenator thus bypassing both the heart and lungs. Heart-Lung Bypass,Bypass, Cardiopulmonary,Bypass, Heart-Lung,Bypasses, Cardiopulmonary,Bypasses, Heart-Lung,Cardiopulmonary Bypasses,Heart Lung Bypass,Heart-Lung Bypasses

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