2011
Association of Genetic Variation in the Catechol-O-Methyl Transferase Gene with Pain and Six Minute Walk Distance in Sickle Cell Anemia Patients From the Walk-PHaSST Study
Zhang Y, Zeng Q, Belfer I, Goel R, Porter M, Chu Y, Barst R, Hassell K, Machado R, Goldsmith J, Gladwin M, Krishnamurti L. Association of Genetic Variation in the Catechol-O-Methyl Transferase Gene with Pain and Six Minute Walk Distance in Sickle Cell Anemia Patients From the Walk-PHaSST Study. Blood 2011, 118: 1075. DOI: 10.1182/blood.v118.21.1075.1075.Peer-Reviewed Original ResearchSickle cell diseaseAcute pain crisisChronic painPain crisisPain phenotypesPain rateSCD painSevere painPain sensitivitySingle nucleotide polymorphismsAG genotype carriersChronic pain ratesSickle cell anemia patientsType of painAfrican American patientsGenetic factorsDescription of painLogistic regression analysisLower pain sensitivityCOMT genetic variantsChi-square testMultinomial logistic regression analysisCatechol-O-methyl transferase (COMT) genePain episodesMild pain
2010
Chronic Pain Is An Independent Predictor of Lower 6 Minute Walk Distance In Patients with Sickle Cell Disease: Results From Walk-PHaSST Study
Krishnamurti L, Goel R, Castro O, Barst R, Rosenzweig E, Sachdev V, Machado R, Gibbs S, Little J, Schraufnagel D, Girgis R, Morris C, Badesch D, Lanzkron S, Goldsmith J, Gordeuk V, Kato G, Gladwin M, Hassell K. Chronic Pain Is An Independent Predictor of Lower 6 Minute Walk Distance In Patients with Sickle Cell Disease: Results From Walk-PHaSST Study. Blood 2010, 116: 2658. DOI: 10.1182/blood.v116.21.2658.2658.Peer-Reviewed Original ResearchTricuspid regurgitant velocityAcute pain crisisSickle cell diseasePain crisisChronic painExercise capacityIndependent predictorsClinical trialsCell diseaseAcute sickle cell pain crisisSickle cell pain crisisMultivariable logistic regression analysisSickle cellsAcute pain ratingsHypertension clinical trialsTrials of sildenafilDouble-blind placeboEmergency department visitsGroup of patientsMinute walk distanceWeeks of treatmentNon-drug therapyFuture clinical trialsSignificant lower odds ratioLogistic regression analysis