2024
High-impact chronic pain in sickle cell disease: insights from the Pain in Sickle Cell Epidemiology Study (PiSCES).
Jagtiani A, Chou E, Gillespie S, Liu K, Krishnamurti L, McClish D, Smith W, Bakshi N. High-impact chronic pain in sickle cell disease: insights from the Pain in Sickle Cell Epidemiology Study (PiSCES). Pain 2024 PMID: 38787626, DOI: 10.1097/j.pain.0000000000003262.Peer-Reviewed Original ResearchHigh-impact chronic painSickle Cell Epidemiology StudyChronic painProportion of daysUS National Pain StrategySickle cell diseaseNational Pain StrategySelf-care activitiesEpidemiological studiesHigher levels of stressMean pain intensityCohort of individualsPain interferenceLevels of stressPhysical functionHealth outcomesHealthcare utilizationPhysical healthPain strategiesPain burdenPain intensityPain diaryCell diseaseDiary daysAffected subgroups
2021
Intraindividual pain variability and phenotypes of pain in sickle cell disease: a secondary analysis from the Pain in Sickle Cell Epidemiology Study
Bakshi N, Gillespie S, McClish D, McCracken C, Smith W, Krishnamurti L. Intraindividual pain variability and phenotypes of pain in sickle cell disease: a secondary analysis from the Pain in Sickle Cell Epidemiology Study. Pain 2021, 163: 1102-1113. PMID: 34538841, PMCID: PMC9100443, DOI: 10.1097/j.pain.0000000000002479.Peer-Reviewed Original ResearchConceptsSickle cell diseaseSickle Cell Epidemiology StudyOpioid useMean painPain variabilityPhysical functionPain intensityPain phenotypesPatient outcomesCell diseaseEpidemiology studiesHigher mean painLower mean painLow physical functionHealth-related qualityHealth care utilizationHigher physical functionProportion of daysSomatic symptom burdenSymptom burdenCare utilizationPainSecondary analysisSpearman rank correlationHigh temporal instability
2020
Improvements in Health-Related Quality of Life for Patients Treated with LentiGlobin for Sickle Cell Disease (bb1111) Gene Therapy
Kanter J, Tisdale J, Mapara M, Kwiatkowski J, Krishnamurti L, Chen R, Gallagher M, Ding Y, Goyal S, Paramore C, Thompson A, Walters M. Improvements in Health-Related Quality of Life for Patients Treated with LentiGlobin for Sickle Cell Disease (bb1111) Gene Therapy. Blood 2020, 136: 10. DOI: 10.1182/blood-2020-136193.Peer-Reviewed Original ResearchSickle cell diseaseAcute chest syndromeNumeric rating scalePatient-reported outcomesMonth 12Pain intensitySleep disturbance domainsBaseline scoresPhysical functionBluebird BioPopulation normsMeaningful improvementsMonth 6Pain intensity numeric rating scalePROMIS-57T-scorePatient-reported HRQoL outcomesUS general population normsAdvisory CommitteePain interference scoresGene therapyGroup C patientsCohort of patientsHealth-related qualityHistory of strokeResolution of Serious Vaso-Occlusive Pain Crises and Reduction in Patient-Reported Pain Intensity: Results from the Ongoing Phase 1/2 HGB-206 Group C Study of LentiGlobin for Sickle Cell Disease (bb1111) Gene Therapy
Thompson A, Walters M, Mapara M, Kwiatkowski J, Krishnamurti L, Aygun B, Kasow K, Rifkin-Zenenberg S, Schmidt M, DelCarpini J, Pierciey F, Miller A, Gallagher M, Chen R, Goyal S, Kanter J, Tisdale J. Resolution of Serious Vaso-Occlusive Pain Crises and Reduction in Patient-Reported Pain Intensity: Results from the Ongoing Phase 1/2 HGB-206 Group C Study of LentiGlobin for Sickle Cell Disease (bb1111) Gene Therapy. Blood 2020, 136: 16-17. DOI: 10.1182/blood-2020-134940.Peer-Reviewed Original ResearchAcute chest syndromeVaso-occlusive crisisSickle cell diseaseVaso-occlusive eventsPain intensity scoresGroup C patientsAdverse eventsPain intensityBluebird BioC patientsLast visitBusulfan conditioningHemolysis markersTotal HbIntensity scoresAcute vaso-occlusive painBackground Sickle cell diseasePathophysiology of SCDVaso-occlusive pain crisesPopulation normsPatient-reported pain intensityAdvisory CommitteeGene therapy×109/LAbnormal sickle hemoglobinPrevalence and predictors of chronic pain intensity and disability among adults with sickle cell disease
Matthie N, Jenerette C, Gibson A, Paul S, Higgins M, Krishnamurti L. Prevalence and predictors of chronic pain intensity and disability among adults with sickle cell disease. Health Psychology Open 2020, 7: 2055102920917250. PMID: 32426150, PMCID: PMC7218472, DOI: 10.1177/2055102920917250.Peer-Reviewed Original ResearchChronic pain intensitySickle cell diseasePain intensityCell diseaseChronic painConsistent clinical assessmentPalliative care approachChronic pain impactMiddle-aged adultsPain impactPain catastrophizingClinical assessmentCare approachPsychosocial healthDisability prevalencePsychosocial predictorsYoung womenDiseaseMost participantsDisabilityPainAdultsCatastrophizingPrevalenceAge
2018
Pain catastrophizing is associated with poorer health-related quality of life in pediatric patients with sickle cell disease
Bakshi N, Lukombo I, Belfer I, Krishnamurti L. Pain catastrophizing is associated with poorer health-related quality of life in pediatric patients with sickle cell disease. Journal Of Pain Research 2018, 11: 947-953. PMID: 29773954, PMCID: PMC5947835, DOI: 10.2147/jpr.s151198.Peer-Reviewed Original ResearchSickle cell diseasePoor health-related qualityHealth-related qualityHealth care utilizationPoor HRQOLPain intensityCare utilizationCell diseaseDepressive symptomsPrior health care utilizationPsychological factorsPain-related outcomesRace-matched controlsCross-sectional studyQuality of lifePaucity of dataSCD outcomesPain burdenPediatric patientsRed blood cellsPain interferenceMultisystem involvementPain phenotypingHRQoLPsychological covariatesQuantitative sensory testing is feasible and is well-tolerated in patients with sickle cell disease following a vaso-occlusive episode
Bakshi N, Lukombo I, Belfer I, Krishnamurti L. Quantitative sensory testing is feasible and is well-tolerated in patients with sickle cell disease following a vaso-occlusive episode. Journal Of Pain Research 2018, 11: 435-443. PMID: 29503580, PMCID: PMC5827673, DOI: 10.2147/jpr.s150066.Peer-Reviewed Original ResearchVaso-occlusive episodesQuantitative sensory testingSickle cell diseaseChronic painPain sensitivityCell diseaseSensory testingPainful vaso-occlusive episodesExperience chronic painFeasibility of recruitmentLarge prospective studiesEmergency room visitsExperimental pain sensitivityInherited blood disorderAltered painMedian agePain intensityPediatric patientsRoom visitsProspective studyInpatient hospitalizationSubset of individualsPainPatientsBlood disorders
2017
Novel Metrics in the Longitudinal Evaluation of Pain Data in Sickle Cell Disease
Bakshi N, Smith M, Ross D, Krishnamurti L. Novel Metrics in the Longitudinal Evaluation of Pain Data in Sickle Cell Disease. The Clinical Journal Of Pain 2017, 33: 517-527. PMID: 27584817, DOI: 10.1097/ajp.0000000000000431.Peer-Reviewed Original ResearchConceptsMaximum daily painSickle cell diseasePain intensity dataChronic painCell diseasePain dataInterindividual variationMaximum daily pain scoresPatient-reported end pointsDaily pain scoresPain-free daysInterventional clinical trialsBurden of painPeriod of hospitalizationElectronic pain diaryDiary daysHealth care providersPain burdenPain scoresPain diaryPain intensityDaily painSCD patientsPain trendsClinical trials
2014
Feasibility and Tolerability of Quantitative Sensory Testing in Patients with Sickle Cell Disease at the End of a Vasoocclusive Episode
Bakshi N, Lukombo I, Belfer I, Krishnamurti L. Feasibility and Tolerability of Quantitative Sensory Testing in Patients with Sickle Cell Disease at the End of a Vasoocclusive Episode. Blood 2014, 124: 3519. DOI: 10.1182/blood.v124.21.3519.3519.Peer-Reviewed Original ResearchVaso-occlusive episodesQuantitative sensory testingSickle cell diseaseSensory testingCell diseaseVasoocclusive episodesPain intensityAcute vaso-occlusive episodesQST proceduresMapi Research TrustPain Catastrophizing ScalePain Coping InventoryChildren's Somatization InventoryMedian ageChronic painPain interferencePain sensitivityPatient preferencesPain stimuliPain unpleasantnessCold painPROMIS measuresPatient's requestDepressive symptomsThermal pain
2013
Development, Establishment Of the Psychometric Properties and Usability Testing Of a Novel Multi-Dimensional Web Based Diary For Children With Sickle Cell Disease
Bakshi N, Stinson J, Lukombo I, Ross D, Mittal N, Joshi S, Krishnamurti L. Development, Establishment Of the Psychometric Properties and Usability Testing Of a Novel Multi-Dimensional Web Based Diary For Children With Sickle Cell Disease. Blood 2013, 122: 2961. DOI: 10.1182/blood.v122.21.2961.2961.Peer-Reviewed Original ResearchElectronic pain diarySickle cell diseasePain diaryBurden of painPain intensityCell diseaseClinical careHealth care visitsVaso-occlusive crisisPatients ages 15Coordination of careNumerical rating scaleDiary daysEffect of painContent validityElectronic painAdult patientsCare visitsDaily painMusculoskeletal painRelated morbidityPain interferenceCurrent painPain phenotypesClinical trials