Impact of sickle cell disease on patientsʼ daily lives, symptoms reported, and disease management strategies: Results from the international Sickle Cell World Assessment Survey (SWAY)

Ifeyinwa Osunkwo, Biree Andemariam, Caterina P. Minniti, Baba P.D. Inusa, Fuad El Rassi, Beverley Francis-Gibson, Alecia Nero, Cassandra Trimnell, Miguel R. Abboud, Jean Benoît Arlet, Raffaella Colombatti, Mariane de Montalembert, Suman Jain, Wasil Jastaniah, Erfan Nur, Marimilia Pita, Laurie DeBonnett, Nicholas Ramscar, Tom Bailey, Olivera Rajkovic-HooleyJohn James

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Sickle cell disease (SCD) is a genetic disorder, characterized by hemolytic anemia and vaso-occlusive crises (VOCs). Data on the global SCD impact on quality of life (QoL) from the patient viewpoint are limited. The international Sickle Cell World Assessment Survey (SWAY) aimed to provide insights into patient-reported impact of SCD on QoL. This cross-sectional survey of SCD patients enrolled by healthcare professionals and advocacy groups assessed disease impact on daily life, education and work, symptoms, treatment goals, and disease management. Opinions were captured using a Likert scale of 1-7 for some questions; 5-7 indicated “high severity/impact.” Two thousand one hundred and forty five patients (mean age 24.7 years [standard deviation (SD) = 13.1], 39% ≤18 years, 52% female) were surveyed from 16 countries (six geographical regions). A substantial proportion of patients reported that SCD caused a high negative impact on emotions (60%) and school achievement (51%) and a reduction in work hours (53%). A mean of 5.3 VOCs (SD = 6.8) was reported over the 12 months prior to survey (median 3.0 [interquartile range 2.0-6.0]); 24% were managed at home and 76% required healthcare services. Other than VOCs, fatigue was the most commonly reported symptom in the month before survey (65%), graded “high severity” by 67% of patients. Depression and anxiety were reported by 39% and 38% of patients, respectively. The most common patient treatment goal was improving QoL (55%). Findings from SWAY reaffirm that SCD confers a significant burden on patients, epitomized by the high impact on patientsʼ QoL and emotional wellbeing, and the high prevalence of self-reported VOCs and other symptoms.

Original languageEnglish (US)
Pages (from-to)404-417
Number of pages14
JournalAmerican Journal of Hematology
Volume96
Issue number4
DOIs
StatePublished - Apr 1 2021

ASJC Scopus subject areas

  • Hematology

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