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1.
Liver Transpl Surg ; 4(4): 253-7, 1998 Jul.
Article in English | MEDLINE | ID: mdl-9649636

ABSTRACT

This study attempts to evaluate the efficacy of dobutamine stress echocardiography for preoperative cardiac risk stratification in patients undergoing orthotopic liver transplantation. Two hundred twenty consecutively submitted patients were evaluated in preparation for orthotopic liver transplantation. Dobutamine stress echocardiography was performed in 80 patients with known or suspected coronary artery disease. Follow-up information was available in 40 patients in the form of cardiac catheterization and/or outcome from liver transplantation to validate the dobutamine stress echo findings. The prevalence of coronary artery disease in this cohort was 5% and was closely associated with the presence of diabetes mellitus. Dobutamine stress echocardiography, when interpreted as abnormal in the presence of wall motion abnormalities only, is associated with a sensitivity, specificity, and positive and negative predictive value of 100%. Dobutamine stress echocardiography is highly efficacious and should be the screening study of choice to detect coronary artery disease in patients undergoing orthotopic liver transplantation.


Subject(s)
Cardiotonic Agents , Coronary Disease/diagnostic imaging , Dobutamine , Echocardiography/methods , Liver Transplantation , Adult , Aged , Coronary Disease/physiopathology , Electrocardiography , Exercise Test , Female , Follow-Up Studies , Humans , Male , Middle Aged , Myocardial Contraction , Predictive Value of Tests , Preoperative Care/methods , Prospective Studies , Risk Factors , Sensitivity and Specificity
3.
Transplantation ; 61(8): 1261-3, 1996 Apr 27.
Article in English | MEDLINE | ID: mdl-8610427

ABSTRACT

Alternatives to traditional organ donor usage has allowed expansion of the organ donor pool to help compensate for the increasing disparity between recipients and donors. The use of bilateral adult renal transplants is a novel idea to salvage older donor kidneys with suboptimal nephron mass that would otherwise be destined for discard. Ten renal transplants were performed utilizing both kidneys from adult cadaver donors with diminished nephron mass determined by calculated glomerular filtration rate or biopsy evidence of significant glomerulosclerosis (>10%). Nine of ten (90%) recipients have satisfactory renal function at a mean follow-up of 7 months. The single case of graft failure was due to documented medical non-compliance. Mean serum creatinine at 6 months was 1.5 mg/dl. Mean measured creatinine clearance was 43.2+/-3.4. These preliminary findings suggest that the use of bilateral renal transplants provide satisfactory early function and allows salvage of older donor kidneys with suboptimal nephron mass.


Subject(s)
Kidney Transplantation/methods , Adolescent , Adult , Aged , Humans , Middle Aged , Nephrons/pathology , Tissue Donors , Transplantation, Homologous
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