Lactate dehydrogenase to carboxyhemoglobin ratio as a biomarker of heme release to heme processing is associated with higher tricuspid regurgitant jet velocity and early death in sickle cell disease

Note: Funding Information: We acknowledge all the patients that have contributed to the various studies on Sickle Cell Disease at NIH. We acknowledge funding from the Division of Intramural Research at the National Heart, Lung and Blood Institute (HL006013, HL006014, HL006015 and HL006162). Funding Information: We acknowledge all the patients that have contributed to the various studies on Sickle Cell Disease at NIH. We acknowledge funding from the Division of Intramural Research at the National Heart, Lung and Blood Institute (HL006013, HL006014, HL006015 and HL006162).