Adam P. Fischer

Learn More
With advances in heart transplantation, a growing number of recipients are at risk of developing gastrointestinal disease. We reviewed our experience with gastrointestinal disease in 92 patients undergoing 93 heart transplants. All had follow-up, with the median time 4.8 years (range 0.5–9.6 years). During the period of the study we progressively adopted a(More)
PURPOSE Acute limb ischemia after thrombosis of a popliteal aneurysm is a distinct and limb-threatening entity. Preoperative intra-arterial thrombolysis may improve the outcome in this challenging situation. This study retrospectively analyzed a consecutive series of patients treated with preoperative thrombolysis and subsequent revascularization. METHODS(More)
Hypoxia inducible factor-1 alpha (HIF-1α) is thought to play a role in melanoma carcinogenesis. Posttranslational regulation of HIF-1α is dependent on Prolyl hydroxylase (PHD 1–3) and Factor Inhibiting HIF (FIH) hydroxylase enzymes, which require ascorbic acid as a co-factor for optimal function. Depleted intra-tumoral ascorbic acid may thus play a role in(More)
In the emergency situation, preoperative patient work-up for cardio-vascular surgery is quite different from the elective setting. We have analyzed a consecutive series of 5576 cases out of which 823 underwent emergency procedures (14.8%). The most frequent problems requiring emergent intervention were peripheral vascular (186 cases; 22.6% of the emergent(More)
Constant progress has been made over the years in order to improve the performance of mechanical circulatory support devices. After the introduction of portable blood pump systems into clinical practice, we now study the performance characteristics of totally implantable mechanical circulatory support systems which do not require percutaneous drive lines or(More)
Expression and function of Ten-eleven translocation (TET) enzymes, which initiate DNA demethylation by catalyzing the oxidation of 5-methylcytosine to 5-hydroxymethylcytosine (5 hmC) on methylated DNA, are frequently lost in malignant tissue. This ultimately results in lost expression of methylated tumor suppressor genes. Many malignancies, including(More)
INTRODUCTION Accumulation of hypoxia inducible factor-1 alpha (HIF-1α) in malignant tissue is known to contribute to oncogenic progression and is inversely associated with patient survival. Ascorbic acid (AA) depletion in malignant tissue may contribute to aberrant normoxic activity of HIF-1α. While AA supplementation has been shown to attenuate HIF-1α(More)
  • 1