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Items: 1 to 50 of 87

1.

Syrian Refugees and Their Impact on Health Service Delivery in the Pediatric Hematology/Oncology Clinics Across Canada.

Barry RM, Chretien C, Kirby M, Gallant G, Leppington S, Robitaille N, Corriveau-Bourque C, Stoffman J, Wu J, Leaker M, Klaassen RJ.

J Pediatr Hematol Oncol. 2019 Jun 21. doi: 10.1097/MPH.0000000000001524. [Epub ahead of print]

PMID:
31233463
2.

Second-line treatments in children with immune thrombocytopenia: Effect on platelet count and patient-centered outcomes.

Grace RF, Shimano KA, Bhat R, Neunert C, Bussel JB, Klaassen RJ, Lambert MP, Rothman JA, Breakey VR, Hege K, Bennett CM, Rose MJ, Haley KM, Buchanan GR, Geddis A, Lorenzana A, Jeng M, Pastore YD, Crary SE, Neier M, Neufeld EJ, Neu N, Forbes PW, Despotovic JM.

Am J Hematol. 2019 Jul;94(7):741-750. doi: 10.1002/ajh.25479. Epub 2019 Apr 29.

PMID:
30945320
3.

Validation of the school age self-administered pediatric bleeding questionnaire (Self-PBQ) in children aged 8-12 years.

Bui J, Martyres D, James PD, Grabell J, Wu J, Steele M, Silva M, Rand ML, Blanchette VS, Barrowman N, Klaassen RJ.

Pediatr Blood Cancer. 2019 Jun;66(6):e27709. doi: 10.1002/pbc.27709. Epub 2019 Mar 22.

PMID:
30900820
4.

The social impact of early psychological maturity in adolescents with cancer.

Anthony SJ, Robertson T, Selkirk E, Dix D, Klaassen RJ, Sung L, Klassen AF.

Psychooncology. 2019 Mar;28(3):586-592. doi: 10.1002/pon.4982. Epub 2019 Feb 6.

PMID:
30646430
5.

Affairs of the heart, does congenital heart disease make you happier?

Klaassen RJ.

Arch Dis Child. 2019 Feb;104(2):105. doi: 10.1136/archdischild-2018-315401. Epub 2018 Jul 30. No abstract available.

PMID:
30061201
6.

The burden of disease in pyruvate kinase deficiency: Patients' perception of the impact on health-related quality of life.

Grace RF, Cohen J, Egan S, Wells T, Witherspoon B, Ryan A, Salek SS, Bodie S, Klaassen RJ.

Eur J Haematol. 2018 Dec;101(6):758-765. doi: 10.1111/ejh.13128. Epub 2018 Sep 28.

PMID:
29935049
7.

Normalizing hepcidin predicts TMPRSS6 mutation status in patients with chronic iron deficiency.

Heeney MM, Guo D, De Falco L, Campagna DR, Olbina G, Kao PP, Schmitz-Abe K, Rahimov F, Gutschow P, Westerman K, Ostland V, Jackson T, Klaassen RJ, Markianos K, Finberg KE, Iolascon A, Westerman M, London WB, Fleming MD.

Blood. 2018 Jul 26;132(4):448-452. doi: 10.1182/blood-2017-03-773028. Epub 2018 Jun 12. No abstract available. Erratum in: Blood. 2018 Sep 20;132(12):1355.

8.

Tailored frequency-escalated primary prophylaxis for severe haemophilia A: results of the 16-year Canadian Hemophilia Prophylaxis Study longitudinal cohort.

Feldman BM, Rivard GE, Babyn P, Wu JKM, Steele M, Poon MC, Card RT, Israels SJ, Laferriere N, Gill K, Chan AK, Carcao M, Klaassen RJ, Cloutier S, Price VE, Dover S, Blanchette VS.

Lancet Haematol. 2018 Jun;5(6):e252-e260. doi: 10.1016/S2352-3026(18)30048-6. Epub 2018 May 3.

PMID:
29731369
9.

Physician decision making in selection of second-line treatments in immune thrombocytopenia in children.

Grace RF, Despotovic JM, Bennett CM, Bussel JB, Neier M, Neunert C, Crary SE, Pastore YD, Klaassen RJ, Rothman JA, Hege K, Breakey VR, Rose MJ, Shimano KA, Buchanan GR, Geddis A, Haley KM, Lorenzana A, Thompson A, Jeng M, Neufeld EJ, Brown T, Forbes PW, Lambert MP.

Am J Hematol. 2018 Jul;93(7):882-888. doi: 10.1002/ajh.25110. Epub 2018 May 6.

10.

Molecular analysis and genotype-phenotype correlation of Diamond-Blackfan anemia.

Arbiv OA, Cuvelier G, Klaassen RJ, Fernandez CV, Robitaille N, Steele M, Breakey V, Abish S, Wu J, Sinha R, Silva M, Goodyear L, Jardine L, Lipton JH, Corriveau-Bourque C, Brossard J, Michon B, Ghemlas I, Waespe N, Zlateska B, Sung L, Cada M, Dror Y.

Clin Genet. 2018 Feb;93(2):320-328. doi: 10.1111/cge.13158. Epub 2017 Dec 27.

PMID:
29044489
11.

Severe Neutropenia and Anemia in a Child With Epilepsy and Copper Deficiency on a Ketogenic Diet.

Rashidian H, Liu YMC, Geraghty MT, Kobayashi J, Donner EJ, Klaassen RJ.

Pediatr Neurol. 2017 Nov;76:93-94. doi: 10.1016/j.pediatrneurol.2017.08.007. Epub 2017 Aug 24. No abstract available.

PMID:
28958403
12.

Reply to comment on: Generation and optimization of the self-administered pediatric bleeding questionnaire and its validation as a screening tool for von Willebrand disease.

Casey LJ, Klaassen RJ, Rand ML, James PD.

Pediatr Blood Cancer. 2017 Dec;64(12). doi: 10.1002/pbc.26763. Epub 2017 Aug 9. No abstract available.

PMID:
28792666
13.

The clinical impact of copy number variants in inherited bone marrow failure syndromes.

Waespe N, Dhanraj S, Wahala M, Tsangaris E, Enbar T, Zlateska B, Li H, Klaassen RJ, Fernandez CV, Cuvelier GDE, Wu JK, Pastore YD, Silva M, Lipton JH, Brossard J, Michon B, Abish S, Steele M, Sinha R, Belletrutti MJ, Breakey VR, Jardine L, Goodyear L, Kofler L, Cada M, Sung L, Shago M, Scherer SW, Dror Y.

NPJ Genom Med. 2017 May 10;2. pii: 18. doi: 10.1038/s41525-017-0019-2.

14.

Generation and optimization of the self-administered pediatric bleeding questionnaire and its validation as a screening tool for von Willebrand disease.

Casey LJ, Tuttle A, Grabell J, Hopman W, Moorehead PC, Blanchette VS, Wu JK, Steele M, Klaassen RJ, Silva M, Rand ML, James PD.

Pediatr Blood Cancer. 2017 Oct;64(10). doi: 10.1002/pbc.26588. Epub 2017 Apr 28.

PMID:
28453185
15.

Patterns and influences in health-related quality of life in children with immune thrombocytopenia: A study from the Dallas ITP Cohort.

Flores A, Klaassen RJ, Buchanan GR, Neunert CE.

Pediatr Blood Cancer. 2017 Aug;64(8). doi: 10.1002/pbc.26405. Epub 2017 Jan 23.

PMID:
28111877
16.

Paediatric health-related quality of life: what is it and why should we measure it?

Haverman L, Limperg PF, Young NL, Grootenhuis MA, Klaassen RJ.

Arch Dis Child. 2017 May;102(5):393-400. doi: 10.1136/archdischild-2015-310068. Epub 2016 Oct 6. No abstract available.

PMID:
27831905
17.

Pediatric Oncology Clinic Care Model: Achieving Better Continuity of Care for Patients in a Medium-sized Program.

Johnston DL, Halton J, Bassal M, Klaassen RJ, Mandel K, Ramphal R, Simpson E, Peckan L.

J Pediatr Hematol Oncol. 2017 Aug;39(6):476-480. doi: 10.1097/MPH.0000000000000689.

PMID:
27782926
18.

Reply to: Vitamin insufficiencies/deficiencies in relation to sickle cell disease severity and associated morbidity.

Martyres DJ, Vijenthira A, Barrowman N, Harris-Janz S, Chretien C, Klaassen RJ.

Pediatr Blood Cancer. 2016 Dec;63(12):2250-2251. doi: 10.1002/pbc.26130. Epub 2016 Jul 8. No abstract available.

PMID:
27392202
19.

Quality of life of pediatric oncology patients: Do patient-reported outcome instruments measure what matters to patients?

Anthony SJ, Selkirk E, Sung L, Klaassen RJ, Dix D, Klassen AF.

Qual Life Res. 2017 Feb;26(2):273-281. doi: 10.1007/s11136-016-1393-4. Epub 2016 Aug 24.

PMID:
27558784
20.

Response to treatment with azacitidine in children with advanced myelodysplastic syndrome prior to hematopoietic stem cell transplantation.

Waespe N, Van Den Akker M, Klaassen RJ, Lieberman L, Irwin MS, Ali SS, Abdelhaleem M, Zlateska B, Liebman M, Cada M, Schechter T, Dror Y.

Haematologica. 2016 Dec;101(12):1508-1515. Epub 2016 Aug 18.

21.

Generic and disease-specific quality of life among youth and young men with Hemophilia in Canada.

St-Louis J, Urajnik DJ, Ménard F, Cloutier S, Klaassen RJ, Ritchie B, Rivard GE, Warner M, Blanchette V, Young NL.

BMC Hematol. 2016 May 5;16:13. doi: 10.1186/s12878-016-0052-x. eCollection 2016.

22.

Prospective international validation of the Quality of Life in Myelodysplasia Scale (QUALMS).

Abel GA, Efficace F, Buckstein RJ, Tinsley S, Jurcic JG, Martins Y, Steensma DP, Watts CD, Raza A, Lee SJ, List AF, Klaassen RJ.

Haematologica. 2016 Jun;101(6):781-8. doi: 10.3324/haematol.2015.140335. Epub 2016 Mar 4.

23.

Case 1: A newborn with pancytopenia.

Cardona I, Ferretti E, Daboval T, Klaassen RJ, Dror Y.

Paediatr Child Health. 2016 Jan-Feb;21(1):9-11. No abstract available.

24.

Hospitalizations in pediatric patients with immune thrombocytopenia in the United States.

Tarantino MD, Danese M, Klaassen RJ, Duryea J, Eisen M, Bussel J.

Platelets. 2016 Jul;27(5):472-8. doi: 10.3109/09537104.2016.1143923. Epub 2016 Mar 4.

25.

Nutrient Insufficiencies/Deficiencies in Children With Sickle Cell Disease and Its Association With Increased Disease Severity.

Martyres DJ, Vijenthira A, Barrowman N, Harris-Janz S, Chretien C, Klaassen RJ.

Pediatr Blood Cancer. 2016 Jun;63(6):1060-4. doi: 10.1002/pbc.25940. Epub 2016 Feb 8.

PMID:
26855061
26.

Thalassaemia in children: from quality of care to quality of life.

Amid A, Saliba AN, Taher AT, Klaassen RJ.

Arch Dis Child. 2015 Nov;100(11):1051-7. doi: 10.1136/archdischild-2014-308112. Epub 2015 Aug 19. Review.

PMID:
26289062
27.

Sports Participation in Children and Adolescents with Immune Thrombocytopenia (ITP).

Kumar M, Lambert MP, Breakey V, Buchanan GR, Neier M, Neufeld EJ, Kempert P, Neunert CE, Nottage K, Klaassen RJ; ITP Consortium of North America.

Pediatr Blood Cancer. 2015 Dec;62(12):2223-5. doi: 10.1002/pbc.25644. Epub 2015 Jul 14.

PMID:
26174203
28.

Experience with central venous access devices (CVADs) in the Canadian hemophilia primary prophylaxis study (CHPS).

Langley AR, Stain AM, Chan A, McLimont M, Chait S, Wu J, Poon MC, Card R, Israels SJ, Laferriere N, Klaassen RJ, Rivard GE, Cloutier S, Hawes S, Feldman B, Blanchette V.

Haemophilia. 2015 Jul;21(4):469-76. doi: 10.1111/hae.12713.

PMID:
26104147
29.

Mutations in TRNT1 cause congenital sideroblastic anemia with immunodeficiency, fevers, and developmental delay (SIFD).

Chakraborty PK, Schmitz-Abe K, Kennedy EK, Mamady H, Naas T, Durie D, Campagna DR, Lau A, Sendamarai AK, Wiseman DH, May A, Jolles S, Connor P, Powell C, Heeney MM, Giardina PJ, Klaassen RJ, Kannengiesser C, Thuret I, Thompson AA, Marques L, Hughes S, Bonney DK, Bottomley SS, Wynn RF, Laxer RM, Minniti CP, Moppett J, Bordon V, Geraghty M, Joyce PB, Markianos K, Rudner AD, Holcik M, Fleming MD.

Blood. 2014 Oct 30;124(18):2867-71. doi: 10.1182/blood-2014-08-591370. Epub 2014 Sep 5.

30.

[A woman with acute abdominal pain in the night].

Douma JA, van Hoorn F, Klaassen RJ.

Ned Tijdschr Geneeskd. 2013;157(49):A7002. Dutch.

PMID:
24299630
31.

Evaluation of health related quality of life in children with immune thrombocytopenia with the PedsQL™ 4.0 Generic Core Scales: a study on behalf of the pays de Loire pediatric hematology network.

Strullu M, Rakotonjanahary J, Tarral E, Savagner C, Thomas C, Méchinaud F, Reguerre Y, Poignant S, Boutet A, Bassil J, Médinger D, Quemener E, Young NL, Rachieru P, Klaassen RJ, Pellier I.

Health Qual Life Outcomes. 2013 Nov 13;11:193. doi: 10.1186/1477-7525-11-193.

32.

Validation and reliability of a disease-specific quality of life measure (the TranQol) in adults and children with thalassaemia major.

Klaassen RJ, Barrowman N, Merelles-Pulcini M, Vichinsky EP, Sweeters N, Kirby-Allen M, Neufeld EJ, Kwiatkowski JL, Wu J, Vickars L, Blanchette VS, Forgie M, Yamashita R, Wong-Rieger D, Young NL.

Br J Haematol. 2014 Feb;164(3):431-7. doi: 10.1111/bjh.12631. Epub 2013 Nov 3.

PMID:
24180641
33.

Understanding the healthcare experiences of teenaged cancer patients and survivors.

Farjou G, Sinha R, Dix D, Shahbaz A, Klaassen RJ, Klassen AF.

Child Care Health Dev. 2014 Sep;40(5):723-30. doi: 10.1111/cch.12109. Epub 2013 Oct 9.

PMID:
24117679
34.

Recurrent dyspnea following a swollen leg in a 46-year-old man.

Post JP, Westgeest HM, Blankensteijn JD, van der Meijs B, Klaassen RJL, Nossent E, Grünberg K, Buter J, Serné EH.

Chest. 2013 Oct;144(4):1402-1405. doi: 10.1378/chest.13-0390. No abstract available.

PMID:
24081354
35.

Quality of life in immune thrombocytopenia following treatment.

Grainger JD, Young NL, Blanchette VS, Klaassen RJ.

Arch Dis Child. 2013 Nov;98(11):895-7. doi: 10.1136/archdischild-2013-303784. Epub 2013 Aug 16.

PMID:
23956257
36.

Considering quality of life for children with cancer: a systematic review of patient-reported outcome measures and the development of a conceptual model.

Anthony SJ, Selkirk E, Sung L, Klaassen RJ, Dix D, Scheinemann K, Klassen AF.

Qual Life Res. 2014 Apr;23(3):771-89. doi: 10.1007/s11136-013-0482-x. Epub 2013 Aug 2. Review.

PMID:
23907613
37.

Understanding the importance of using patient-reported outcome measures in patients with immune thrombocytopenia.

Kirsch M, Klaassen RJ, De Geest S, Matzdorff A, Ionova T, Dobbels F.

Semin Hematol. 2013 Jan;50 Suppl 1:S39-42. doi: 10.1053/j.seminhematol.2013.03.007.

38.

A novel syndrome of congenital sideroblastic anemia, B-cell immunodeficiency, periodic fevers, and developmental delay (SIFD).

Wiseman DH, May A, Jolles S, Connor P, Powell C, Heeney MM, Giardina PJ, Klaassen RJ, Chakraborty P, Geraghty MT, Major-Cook N, Kannengiesser C, Thuret I, Thompson AA, Marques L, Hughes S, Bonney DK, Bottomley SS, Fleming MD, Wynn RF.

Blood. 2013 Jul 4;122(1):112-23. doi: 10.1182/blood-2012-08-439083. Epub 2013 Apr 3.

39.

Standardization of bleeding assessment in immune thrombocytopenia: report from the International Working Group.

Rodeghiero F, Michel M, Gernsheimer T, Ruggeri M, Blanchette V, Bussel JB, Cines DB, Cooper N, Godeau B, Greinacher A, Imbach P, Khellaf M, Klaassen RJ, Kühne T, Liebman H, Mazzucconi MG, Newland A, Pabinger I, Tosetto A, Stasi R.

Blood. 2013 Apr 4;121(14):2596-606. doi: 10.1182/blood-2012-07-442392. Epub 2013 Jan 29.

40.

Caregiving, single parents and cumulative stresses when caring for a child with cancer.

Granek L, Rosenberg-Yunger ZR, Dix D, Klaassen RJ, Sung L, Cairney J, Klassen AF.

Child Care Health Dev. 2014 Mar;40(2):184-94. doi: 10.1111/cch.12008. Epub 2012 Nov 2.

PMID:
23121336
41.

Rasch analysis of the PedsQL: an increased understanding of the properties of a rating scale.

Amin L, Rosenbaum P, Barr R, Sung L, Klaassen RJ, Dix DB, Klassen A.

J Clin Epidemiol. 2012 Oct;65(10):1117-23. doi: 10.1016/j.jclinepi.2012.04.014.

PMID:
22910540
42.

Quality of life in childhood immune thrombocytopenia: international validation of the kids' ITP tools.

Klaassen RJ, Blanchette V, Burke TA, Wakefield C, Grainger JD, Gaedicke G, Riedlinger A, Dufort G, Citrin E, Reguerre Y, Pellier I, Curtis C, Young NL.

Pediatr Blood Cancer. 2013 Jan;60(1):95-100. doi: 10.1002/pbc.24257. Epub 2012 Jul 27.

PMID:
22848040
43.

Family-centred care: a qualitative study of Chinese and South Asian immigrant parents' experiences of care in paediatric oncology.

Watt L, Dix D, Gulati S, Sung L, Klaassen RJ, Shaw NT, Klassen AF.

Child Care Health Dev. 2013 Mar;39(2):185-93. doi: 10.1111/j.1365-2214.2011.01342.x. Epub 2011 Nov 9.

PMID:
22066491
44.

Pilot study of the effect of romiplostim on child health-related quality of life (HRQoL) and parental burden in immune thrombocytopenia (ITP).

Klaassen RJ, Mathias SD, Buchanan G, Bussel J, Deuson R, Young NL, Collier A, Bomgaars L, Blanchette V.

Pediatr Blood Cancer. 2012 Mar;58(3):395-8. doi: 10.1002/pbc.23312. Epub 2011 Sep 9.

PMID:
21910213
45.

Response to steroids predicts response to rituximab in pediatric chronic immune thrombocytopenia.

Grace RF, Bennett CM, Ritchey AK, Jeng M, Thornburg CD, Lambert MP, Neier M, Recht M, Kumar M, Blanchette V, Klaassen RJ, Buchanan GR, Kurth MH, Nugent DJ, Thompson AA, Stine K, Kalish LA, Neufeld EJ.

Pediatr Blood Cancer. 2012 Feb;58(2):221-5. doi: 10.1002/pbc.23130. Epub 2011 Jun 14.

46.

Immigrant to Canada, newcomer to childhood cancer: a qualitative study of challenges faced by immigrant parents.

Klassen AF, Gulati S, Watt L, Banerjee AT, Sung L, Klaassen RJ, Dix D, Poureslami IM, Shaw N.

Psychooncology. 2012 May;21(5):558-62. doi: 10.1002/pon.1963. Epub 2011 Mar 21.

PMID:
21425390
47.

Impact of caring for a child with cancer on single parents compared with parents from two-parent families.

Klassen AF, Dix D, Papsdorf M, Klaassen RJ, Yanofsky R, Sung L.

Pediatr Blood Cancer. 2012 Jan;58(1):74-9. doi: 10.1002/pbc.22952. Epub 2011 Jan 19.

PMID:
21254372
48.

Parents of children with cancer: which factors explain differences in health-related quality of life.

Klassen AF, Raina P, McIntosh C, Sung L, Klaassen RJ, O'Donnell M, Yanofsky R, Dix D.

Int J Cancer. 2011 Sep 1;129(5):1190-8. doi: 10.1002/ijc.25737. Epub 2010 Dec 17.

49.

Caregiving demands in parents of children with cancer: psychometric validation of the Care of My Child with Cancer questionnaire.

Klassen A, Klaassen RJ, Dix D, Pritchard S, Yanofsky R, Sung L.

J Pediatr Nurs. 2010 Aug;25(4):258-63. doi: 10.1016/j.pedn.2009.01.002. Epub 2009 Apr 1.

PMID:
20620806
50.

Quality of life during active treatment for pediatric acute lymphoblastic leukemia.

Sung L, Yanofsky R, Klaassen RJ, Dix D, Pritchard S, Winick N, Alexander S, Klassen A.

Int J Cancer. 2011 Mar 1;128(5):1213-20. doi: 10.1002/ijc.25433.

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