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
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 covariatesAssociation of genetic variation in COMT gene with pain related to sickle cell disease in patients from the walk-PHaSST study
Zhang Y, Belfer I, Nouraie M, Zeng Q, Goel R, Chu Y, Krasiy I, Krishnamurti L. Association of genetic variation in COMT gene with pain related to sickle cell disease in patients from the walk-PHaSST study. Journal Of Pain Research 2018, 11: 537-543. PMID: 29559808, PMCID: PMC5856032, DOI: 10.2147/jpr.s149958.Peer-Reviewed Original ResearchVaso-occlusive pain episodesSickle cell diseasePain perceptionSCD patientsCell diseaseAfrican American SCD patientsVariability of painEmergency room visitsHealth care utilizationSelf-reported painPain episodesAcute painCare utilizationRoom visitsSS patientsFunctional variantsPainPatientsPsychological covariatesDisease biologyCOMT geneDiseaseRisk SNPsWomenCorresponding haplotypes
2015
Development, Content Validity, and User Review of a Web-based Multidimensional Pain Diary for Adolescent and Young Adults With Sickle Cell Disease
Bakshi N, Stinson J, Ross D, Lukombo I, Mittal N, Joshi S, Belfer I, Krishnamurti L. Development, Content Validity, and User Review of a Web-based Multidimensional Pain Diary for Adolescent and Young Adults With Sickle Cell Disease. The Clinical Journal Of Pain 2015, 31: 580-590. PMID: 25565585, DOI: 10.1097/ajp.0000000000000195.Peer-Reviewed Original ResearchConceptsSickle cell diseasePain diaryHealth care utilizationElectronic pain diaryYoung adultsCare utilizationCell diseasePoor health-related qualityContent validityVaso-occlusive painDaily pain diarySeverity of painHealth-related qualityPain burdenModification of itemsPain experiencePainPatientsEnd-user reviewsElectronic diaryDiseaseAdultsAdolescentsPsychometric propertiesDiary
2012
Mortality, health care utilization and associated diagnoses in hospitalized patients with haemophilia in the United States: first reported nationwide estimates
GOEL R, KRISHNAMURTI L. Mortality, health care utilization and associated diagnoses in hospitalized patients with haemophilia in the United States: first reported nationwide estimates. Haemophilia 2012, 18: 688-692. PMID: 22500777, DOI: 10.1111/j.1365-2516.2012.02774.x.Peer-Reviewed Original ResearchConceptsNational Inpatient SampleCentral line infectionsHospital mortalityHospital dischargeLine infectionsHemophilia AMean hospital chargesCause of hospitalizationHealth care utilizationGeneral male populationDiagnosis of hemophiliaAge-related illnessesStratified probability sampleHepatitis CRespiratory failureHeart failureIntraventricular hemorrhageMedian ageAge of mortalityCare utilizationHospital chargesIntracranial hemorrhageNeonatal periodPediatric deathsHepatic coma
2010
Burden of In-Hospital Care of Thrombotic Microangiopathies In the United States
Gupta A, Krishnamurti L. Burden of In-Hospital Care of Thrombotic Microangiopathies In the United States. Blood 2010, 116: 2559. DOI: 10.1182/blood.v116.21.2559.2559.Peer-Reviewed Original ResearchNationwide Inpatient SampleThrombotic microangiopathyHealth care utilizationRelated hospital admissionsHealthcare utilizationHospital dischargeHospital admissionCare utilizationHospital chargesTherapeutic plasmapheresisAge groupsFrequent healthcare encountersIn-Hospital CarePayer inpatient databaseClinical Modification codesAverage hospital chargesBurden of careNational dataFirst national dataStratified probability sampleU.S. community hospitalsTotal hospitalizationsFrequent hospitalizationsInpatient DatabaseMean durationLack of Difference In Co-Morbidities Associated with Deep Venous Thrombosis In Patients Undergoing Total Knee Replacement
Viswanathan P, Tiwari U, Krishnamurti L. Lack of Difference In Co-Morbidities Associated with Deep Venous Thrombosis In Patients Undergoing Total Knee Replacement. Blood 2010, 116: 2578. DOI: 10.1182/blood.v116.21.2578.2578.Peer-Reviewed Original ResearchDVT/pulmonary embolismDeep vein thrombosisTotal knee replacementICD-9-CM codesPulmonary embolismDeep venous thrombosisHealth care utilizationNational Inpatient SampleVein thrombosisKnee replacementVenous thrombosisCare utilizationTotal kneeHip replacementPostoperative deep vein thrombosisPostoperative pulmonary embolismGroup of patientsICD-9 codesLength of stayAge 18 yearsPatient safety practicesPost-operative occurrenceKnee replacement recipientsHealth care costsSecondary diagnosis fields
2009
National Healthcare Utilization Trends for Deep Vein Thrombosis in the United States.
Viswanathan P, Goswami U, Krishnamurti L. National Healthcare Utilization Trends for Deep Vein Thrombosis in the United States. Blood 2009, 114: 3183. DOI: 10.1182/blood.v114.22.3183.3183.Peer-Reviewed Original ResearchNationwide Inpatient SampleLow molecular weight heparinPostoperative pulmonary embolismDeep vein thrombosisHealth care utilizationMolecular weight heparinPrimary diagnosisSecondary diagnosisPulmonary embolismVein thrombosisAnnual incidenceCare utilizationWeight heparinDischarge diagnosisHospital utilizationAge 18ICD-9-CM diagnosisLarge-scale prospective studiesCommon primary diagnosisPatients age 18Primary discharge diagnosisPulmonary heart diseaseAcute care hospitalsVariety of diagnosesHealthcare utilization trends