Trends in Pediatric Primary Immunodeficiency: Incidence, Utilization, Transplantation, and Mortality

Exploring the long-term psychosocial impact of paediatric haematopoietic stem cell transplantation for nonmalignant diseases

INTRODUCTION

An understanding of the long-term psychosocial impact of paediatric haematopoietic stem cell transplantation (HSCT) for nonmalignant diseases is needed to optimize pre-HSCT counselling, supportive care and long-term follow-up programmes after HSCT for this group of patients and caregivers.

METHODS

This qualitative study included 14 patients who underwent transplantation for a nonmalignant disease during childhood. In-depth interviews were held online to explore patients' perspectives on the long-term psychosocial impact of HSCT on their lives. The results were analysed based on the Grounded Theory approach.

RESULTS

Patients' median age at the time of the interview was 19 years (range: 14-49), and the median years after HSCT was 12 years (range: 3-33). Four main themes were identified: (1) doing okay, (2) experiencing persistent involvement with healthcare services, (3) influence on relationships with loved ones and (4) impact on the patient's life course. Subthemes extracted were doing okay, feeling of being cured, health limitations, sense of vulnerability, ongoing connection to the hospital, acceptance, friendship, family relations, development of own identity, not taking life for granted, social development, impact on (school) career and thinking about the future.

CONCLUSIONS

Patients reported active coping strategies and resilience after this high-impact treatment. The data highlight the need for patient-adjusted supportive care, indicating more need for supportive care in the long-term outpatient clinic.

PATIENT CONTRIBUTION

This study included patients as participants. Caregivers were approached if patients were below a certain age. Additionally, preliminary results were presented during a patient conference day.

Case Report: Crossing a rugged road in a primary immune regulatory disorder

Over the last decades, Inborn Errors of Immunity (IEI) characterized by an immune dysregulatory picture, isolated or combined with infections, have been increasingly identified and referred as Primary Immune Regulatory Disorders (PIRD). PIRD diagnosis may be difficult due to heterogeneity of time onset, sequence of clinical manifestations and laboratory abnormalities. Moreover, the dissection of a PIRD vs. a secondary immunodeficiency (SID) might be a real challenge since the same indications for immunosuppressant treatments might represent per se a PIRD clinical expression. Here we report a female patient with a history of recurrent respiratory and urinary tract infections since early infancy and a diagnosis of Rheumatoid Arthritis in adulthood. After poor response to several biologicals she was treated with Rituximab and sent to immunology referral for a severe hypogammaglobulinemia. Clinical and immunological features matched a diagnosis of common variable immunodeficiency and when IgG replacement therapy and antibiotic prophylaxis were added a good infectious control was obtained. Next generation sequencing analysis has revealed a novel heterozygous VUS in the IKBKB gene (c.1465A > G; p.Ser489Gly). Functional analysis has shown a reduced capacity of B lymphocytes and CD4 positive T cells in inducing IκBα degradation, with negative impact on NF-kB pathway. Due to recurrent infections attributed to a common condition in childhood and to an exclusive autoimmunity-centered approach in adulthood, both diagnosis and suitable treatment strategies have suffered a significant delay. To reduce the diagnostic delay, pediatricians, general practitioners and specialists should be aware of IEI and the challenges to differentiate them from SID. Furthermore, genetic characterization and functional analysis may contribute to a personalized approach, in a perspective of targeted or semi-targeted therapy.