2020
Mortality in sickle cell disease: A population‐based study in an aboriginal community in the Gudalur Valley, Nilgiris, Tamil Nadu, India
Sheshadri V, Shabeer P, Santhirapala V, Jayaram A, Krishnamurti L, Menon N. Mortality in sickle cell disease: A population‐based study in an aboriginal community in the Gudalur Valley, Nilgiris, Tamil Nadu, India. Pediatric Blood & Cancer 2020, 68: e28875. PMID: 33381914, DOI: 10.1002/pbc.28875.Peer-Reviewed Original ResearchConceptsSickle cell diseaseCause of deathCell diseaseMortality rateSeverity of SCDAge groupsAboriginal populationAcute chest syndromePopulation-based studyPercent of deathsCrude mortality rateCommunity-based comprehensive careCause of mortalityCases of deathPaucity of dataCommon monogenic disorderChest syndromeMedian ageHospital recordsSCD patientsAutopsy questionnaireAboriginal communitiesComprehensive careLongitudinal cohortRemote Aboriginal communities
2019
Excellent Overall Survival and Low Incidence of Late Effects in Patients Undergoing Allogeneic Hematopoietic Cell Transplant for Sickle Cell Disease: A Report from the Center for International Blood and Marrow Transplant Research (CIBMTR)
Stenger E, Phelan R, Shaw B, Battiwalla M, Bo-Subait S, Brazauskas R, Buchbinder D, Hamilton B, Shenoy S, Krishnamurti L. Excellent Overall Survival and Low Incidence of Late Effects in Patients Undergoing Allogeneic Hematopoietic Cell Transplant for Sickle Cell Disease: A Report from the Center for International Blood and Marrow Transplant Research (CIBMTR). Blood 2019, 134: 697. DOI: 10.1182/blood-2019-128797.Peer-Reviewed Original ResearchHematopoietic cell transplantationSickle cell diseaseAcute chest syndromeMarrow Transplant ResearchLate effectsCumulative incidenceRisk factorsChest syndromeInternational BloodAvascular necrosisMultivariable analysisUnrelated donorsPatient populationTransplant ResearchCell diseaseAllogeneic hematopoietic cell transplantMyeloablative hematopoietic cell transplantationVaso-occlusive pain crisesAllogeneic hematopoietic cell transplantationDiagnosis of SCDMultivariable Cox regression analysisFirst hematopoietic cell transplantationOlder ageExcellent overall survivalHematopoietic cell transplant
2018
Sickle cell disease
Kato G, Piel F, Reid C, Gaston M, Ohene-Frempong K, Krishnamurti L, Smith W, Panepinto J, Weatherall D, Costa F, Vichinsky E. Sickle cell disease. Nature Reviews Disease Primers 2018, 4: 18010. PMID: 29542687, DOI: 10.1038/nrdp.2018.10.Peer-Reviewed Original ResearchConceptsSickle cell diseaseCell diseaseHaematopoietic stem cell transplantationAcute pain eventsAcute chest syndromeHigh-burden settingsStem cell transplantationCommon acute complicationHemoglobin subunit βNewborn screening programsUniversal newborn screening (NBS) programsChest syndromeAcute complicationsChronic complicationsBlood transfusionCell transplantationPathophysiological mechanismsPain eventsScreening programEarly diagnosisSCD phenotypeImmune systemΒ-globin subunitDiseaseComplications
2017
Acute Chest Syndrome in Children with Sickle Cell Disease
Jain S, Bakshi N, Krishnamurti L. Acute Chest Syndrome in Children with Sickle Cell Disease. Pediatric Allergy Immunology And Pulmonology 2017, 30: 191-201. PMID: 29279787, PMCID: PMC5733742, DOI: 10.1089/ped.2017.0814.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsAcute chest syndromeSickle cell diseaseHistory of asthmaVaso-occlusive crisisChest syndromeLung diseaseRisk factorsCell diseaseIncidence of ACSAcute vaso-occlusive crisisSteady-state hemoglobin levelsWhite blood cell countNew pulmonary infiltratesNew respiratory symptomsSevere SCD genotypesMild respiratory illnessPresence of feverChronic lung diseaseFetal hemoglobin concentrationPulmonary fat embolismRespiratory distress syndromeTobacco smoke exposureAcute lung diseaseBlood cell countChest X-ray
2016
Clinical events in a large prospective cohort of children with sickle cell disease in Nagpur, India: evidence against a milder clinical phenotype in India
Jain D, Arjunan A, Sarathi V, Jain H, Bhandarwar A, Vuga M, Krishnamurti L. Clinical events in a large prospective cohort of children with sickle cell disease in Nagpur, India: evidence against a milder clinical phenotype in India. Pediatric Blood & Cancer 2016, 63: 1814-1821. PMID: 27279568, DOI: 10.1002/pbc.26085.Peer-Reviewed Original ResearchConceptsSickle cell diseaseRate of painAcute chest syndromeRate of complicationsNewborn screenCell diseaseChest syndromeFrequent complicationSevere anemiaSplenic sequestrationClinical phenotypeLarge single-center studyMore frequent complicationsSingle-center studyLarge prospective cohortPediatric SCD patientsPhenotypes of SCDMilder clinical phenotypeProspective cohortSCD patientsClinical eventsComplicationsSCD phenotypeCooperative StudyEvent rates
2014
Prodromal Illness Before Acute Chest Syndrome in Pediatric Patients With Sickle Cell Disease
Creary S, Krishnamurti L. Prodromal Illness Before Acute Chest Syndrome in Pediatric Patients With Sickle Cell Disease. Journal Of Pediatric Hematology/Oncology 2014, 36: 480-483. PMID: 24633302, DOI: 10.1097/mph.0000000000000146.Peer-Reviewed Original ResearchConceptsAcute chest syndromeSickle cell diseaseProdromal illnessCell diseaseChest syndromePainful vaso-occlusive crisesHistory of asthmaThird of patientsVaso-occlusive crisisICD-9-CMAcute visitsACS episodeChart reviewPediatric patientsPediatric hospitalHigh riskCommon reasonPatientsIllnessCareDiseaseVisitsSyndromeChildrenFurther research
2013
Comprehensive integrated care for patients with sickle cell disease in a remote aboriginal tribal population in southern India
Nimgaonkar V, Krishnamurti L, Prabhakar H, Menon N. Comprehensive integrated care for patients with sickle cell disease in a remote aboriginal tribal population in southern India. Pediatric Blood & Cancer 2013, 61: 702-705. PMID: 24347362, DOI: 10.1002/pbc.24723.Peer-Reviewed Original ResearchConceptsSickle cell diseaseClinic visitsCare indicatorsCell diseaseHealthcare maintenanceHigh-quality comprehensive careComprehensive clinic visitComprehensive integrated careMedian spleen sizeAcute chest syndromeEpisodes/yearSudden unexplained deathHealthcare deliveryLow-resource settingsQuality comprehensive careChest syndromePenicillin prophylaxisPneumococcal immunizationPuerperal sepsisMesenteric infarctionMedian ageSCD careSevere anemiaActive patientsMedical recordsLong Term Safety and Efficacy Of Low Fixed Dose Hydroxyurea In Pediatric Patients With Sickle Cell Anemia: A Single Center Study From Central India
Jain D, Krishnamurti L, Sarathi V, Desai S, Gokhale A. Long Term Safety and Efficacy Of Low Fixed Dose Hydroxyurea In Pediatric Patients With Sickle Cell Anemia: A Single Center Study From Central India. Blood 2013, 122: 1000. DOI: 10.1182/blood.v122.21.1000.1000.Peer-Reviewed Original ResearchAcute chest syndromeSickle cell anemiaLong-term safetyChest syndromeLow-resource settingsPediatric patientsSevere anemiaHigh HbF levelsSCA patientsTerm safetyCell anemiaLong-term observational followSingle tertiary care centerResource settingsAvascular bone necrosisEvidence of neutropeniaHbF levelsSingle-center studyTertiary care centerAmelioration of diseaseMean corpuscular hemoglobin concentrationHIV/AIDSCorpuscular hemoglobin concentrationSequestration crisisMean hemoglobin
2012
Mobile Directly Observed Therapy: Monitoring and Improving Hydroxyurea Adherence in Pediatric Sickle Cell Patients
Creary S, Gladwin M, Krishnamurti L. Mobile Directly Observed Therapy: Monitoring and Improving Hydroxyurea Adherence in Pediatric Sickle Cell Patients. Blood 2012, 120: 2060. DOI: 10.1182/blood.v120.21.2060.2060.Peer-Reviewed Original ResearchSickle cell diseaseMedication possession ratioPediatric sickle cell diseaseLaboratory markersPediatric sickle cell patientsMorisky Medication Adherence ScaleAcute chest syndromeFrequent pain crisesHemoglobin F percentageHemoglobin SS diseasePrescription refill recordsMedication Adherence ScaleAnti-tuberculosis therapyPoor medication adherenceLarge clinical trialsRed blood cell disordersSelf-reported adherenceSickle cell patientsBlood cell disordersDOT participantsHU adherenceChest syndromePain crisisMedication ingestionPossession ratio
2011
Nitric Oxide for Inhalation in the Acute Treatment of Sickle Cell Pain Crisis: A Randomized Controlled Trial
Gladwin M, Kato G, Weiner D, Onyekwere O, Dampier C, Hsu L, Hagar R, Howard T, Nuss R, Okam M, Tremonti C, Berman B, Villella A, Krishnamurti L, Lanzkron S, Castro O, Gordeuk V, Coles W, Peters-Lawrence M, Nichols J, Hall M, Hildesheim M, Blackwelder W, Baldassarre J, Casella J, Investigators F. Nitric Oxide for Inhalation in the Acute Treatment of Sickle Cell Pain Crisis: A Randomized Controlled Trial. JAMA 2011, 305: 893-902. PMID: 21364138, PMCID: PMC3403835, DOI: 10.1001/jama.2011.235.Peer-Reviewed Original ResearchConceptsVaso-occlusive pain crisesSickle cell diseaseVisual analog pain scale scoreAcute chest syndromePrimary end pointPain scale scoresNitric oxideChest syndromePain crisisPainful crisesScale scoreSickle cell pain crisisSmall placebo-controlled trialsPlacebo-controlled clinical trialEnd pointNitric oxide gasCumulative opioid usageParenteral opioid useWhole blood nitritePlacebo-controlled trialSerious adverse eventsLength of hospitalizationSecondary outcome measuresEvidence of efficacyOpioid usage
2009
Current Epidemiology and Hospitalization Characteristics for Acute Chest Syndrome: A Nationally Representative Survey.
Goel R, Viswanathan P, Krishnamurti L. Current Epidemiology and Hospitalization Characteristics for Acute Chest Syndrome: A Nationally Representative Survey. Blood 2009, 114: 4608. DOI: 10.1182/blood.v114.22.4608.4608.Peer-Reviewed Original ResearchAcute chest syndromeSickle cell diseaseSCD patientsChest syndromeHospital mortalityHospital dischargeCommon complicationRelated hospitalizationsExchange transfusionMechanical ventilationDischarge diagnosisAge groupsICD-9-CM diagnosis codesNationwide Inpatient Sample databaseHigher hospital chargesMean lengthCost of hospitalizationYears age groupMajority of deathsCause of mortalityHigher mean chargesNationally Representative SurveyStratified probability sampleHealth care qualityU.S. community hospitals
2006
Life threatening parvovirus B19 and herpes simplex virus associated acute myocardial dysfunction in a child with homozygous sickle cell disease
Krishnamurti L, Lanford L, Munoz R. Life threatening parvovirus B19 and herpes simplex virus associated acute myocardial dysfunction in a child with homozygous sickle cell disease. Pediatric Blood & Cancer 2006, 49: 1019-1021. PMID: 16700044, DOI: 10.1002/pbc.20855.Peer-Reviewed Original ResearchConceptsSickle cell diseaseHPV B19Parvovirus B19Cell diseaseHemolytic anemiaTransient red cell aplasiaHomozygous sickle cell diseaseAcute myocardial dysfunctionHPV-B19 infectionAcute chest syndromeAcute splenic sequestrationCorrection of anemiaDiagnosis of myocarditisRed cell aplasiaSelf-limiting conditionHuman parvovirus B19Herpes simplex virusChest syndromeFulminant myocarditisB19 infectionCardiopulmonary failureAplastic crisisBlood transfusionMyocardial dysfunctionSCD patientsElevation of tricuspid regurgitant jet velocity, a marker for pulmonary hypertension in children with sickle cell disease
Ambrusko S, Gunawardena S, Sakara A, Windsor B, Lanford L, Michelson P, Krishnamurti L. Elevation of tricuspid regurgitant jet velocity, a marker for pulmonary hypertension in children with sickle cell disease. Pediatric Blood & Cancer 2006, 47: 907-913. PMID: 16496290, DOI: 10.1002/pbc.20791.Peer-Reviewed Original ResearchConceptsElevated tricuspid regurgitant velocityTricuspid regurgitant velocitySickle cell diseaseAcute chest syndromePulmonary hypertensionCerebrovascular diseaseVasoocclusive crisisSCD patientsReticulocyte countCell diseaseType of SCDTricuspid regurgitant jet velocityLife-threatening complicationsObstructive sleep apneaPediatric SCD patientsRegurgitant jet velocityElevated reticulocyte countSignificant differencesNumber of echocardiogramsChest syndromeEchocardiographic evidenceOutpatient echocardiogramMean hemoglobinClinical characteristicsHydroxyurea therapy