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Published on Nov 21, 2015

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PRESENTATION OUTLINE

Haptoglobin

antioxidant par excellance
Photo by gabster_ro

WHAT IS IT?

HAP

AN ACUTE PHASE PROTEIN

NEUTRALIZES THE OXIDATIVE ACTIVITY OF HEMOGLOBIN

ESSENTIAL IN INCIDENCES OF INTRAVASCULAR HEMOLYSIS

Mechanism

CD163 macrophage MEDIATES ENDOCYTOSIS OF HP-HB COMPLEX

genetics

Hp1-1 Hp1-2 Hp2-2
Photo by Jorge Lucero

What has research shown so far?

"HP PHENOTYPE IS AN INDEPENDENT RISK FACTOR FOR CARDIOVASCULAR DISEASE IN INDIVIDUALS WITH Dm"

THE STRONG HEART STUDY
Photo by Tojosan

"Haptoglobin: a major susceptibility gene for dm vascular complications"

Tal SZAFRANEK, Stuart MARSH, ANDREW P. LEVY
Photo by euthman

"HP POLYMORPHISM PREDICTS 30-DAY MORTALITY AND HEART FAILURE IN PATIENTS WITH DM AND AMI"

Mahmoud suleiman, doron aronson, rabea asleh

"haptoglobin genotype predicts development of coronary artery calcification in patients with type-1 dm"

Melissa simpson, janet k. snell-bergeon, Gregory l. kinney

"HP GENOTYPE IS PREDICTIVE OF MAJOR ADVERSE CARDIAC EVENTS IN THE 1-YEAR PERIOD AFTER PTCA IN INDIVIDUALS WITH DM."

ARIEL ROUGIN, WERner koch, adnan kastrati
Photo by denn

WHAT gENOTYPE AND WHY?

Hp2-2

But how does this all fit in with CT surgery?

relevant complications of CABG

Atrial fibrillation, ventricular tachycardia, renal failure

consider this...

"hemolysis is a fact in all extracorporeal circuits...by increasing levels of plasma-free Hb and decreasing levels of Hp during and after cpb."

vercaemst l. (university hospital gasthuisberg, belgium)

"...tubular injury resulting from heme proteins should be considered as a cause of decreased kidney function in all patients with a cardiac valvular disease or prosthesis."

QIAN Q. PUB MED (THE MAYO CLINIC)

DOES HP PHENOTYPE PREDICT THE INCIDENCE OF POST-OP RENAL FAILURE?

wide range of applications in surgical context

HYPOTHETICAL FOCUS essentially INTERCHANGEABLE

DOES HAPTOGLOBIN PHENOTYPE PREDICT THE INCIDENCE OF POST-OPRATIVE___________?

the FUTURE

PATIENT TAILORED ANTIOXIDANT THERAPY PRE AND POST-OP

A COST EFFECTIVE AND PROMISING APPROACH
Photo by theogeo