Clinical features and follow-up in patients with 22q11.2 deletion syndrome

Giovanni Corsello, Pamela Puliafito, Grazia Bossi, Emilia Cirillo, Maria Cristina Pietrogrande, Bruno Marino, Davide Montin, Silvana Martino, Silvana Martino, Maria Luisa Romiti, Ezia Maria Ruga, Paolo Rossi, Andrea Finocchi, Annarosa Soresina, Silvana Martino, Andrea Finocchi, Baldassarre Martire, Caterina Cancrini, Fernando Specchia, Rosa BacchettaRita Consolini, Claudio Pignata, Chiara Azzari, Roberto Rondelli, Guido Cocchi, Alessandro Aiuti, Ornella Milanesi, Fabio Cardinale, Alberto Giovanni Ugazio, Veronica Albano, Maria Cristina Digilio, Alessandro Plebani, Adriano Carotti, Antonino Trizzino

Risultato della ricerca: Articlepeer review

84 Citazioni (Scopus)


Objective To investigate the clinical manifestations at diagnosis and during follow-up in patients with 22q11.2 deletion syndrome to better define the natural history of the disease.Study design A retrospective and prospective multicenter study was conducted with 228 patients in the context of the Italian Network for Primary Immunodeficiencies. Clinical diagnosis was confirmed by cytogenetic or molecular analysis.Results The cohort consisted of 112 males and 116 females; median age at diagnosis was 4 months (range 0 to 36 years 10 months). The diagnosis was made before 2 years of age in 71% of patients, predominantly related to the presence of heart anomalies and neonatal hypocalcemia. In patients diagnosed after 2 years of age, clinical features such as speech and language impairment, developmental delay, minor cardiac defects, recurrent infections, and facial features were the main elements leading to diagnosis. During follow-up (available for 172 patients), the frequency of autoimmune manifestations (P = .015) and speech disorders (P = .002) increased. After a median follow-up of 43 months, the survival probability was 0.92 at 15 years from diagnosis.Conclusions Our data show a delay in the diagnosis of 22q11.2 deletion syndrome with noncardiac symptoms. This study provides guidelines for pediatricians and specialists for early identification of cases that can be confirmed by genetic testing, which would permit the provision of appropriate clinical management.
Lingua originaleEnglish
pagine (da-a)1475-1480
Numero di pagine6
Stato di pubblicazionePublished - 2014

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