Clinical, immunological and pathological profile of infants suffering from cow s milk protein allergy

Vol. 57 No. 3, 2016

ROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY

Elena Tataranu, Smaranda Diaconescu, Camelia Geanina Ivanescu, Ioan Sarbu, Maria Stamatin

Cow s milk protein allergy (CMPA) is the most frequently encountered form of food allergy in pediatric patients and occurs secondary to cow s milk proteins (CMP) ingestion. The aim of this study is to define the profile of children suffering from CMPA and to describe the associated pathological findings. The authors performed a retrospective case-control study on 160 infants that presented with CMPA symptoms at Sf. Maria Emergency Clinical Hospital for Children, Iassy, Romania, between January 2013 and January 2015. Fifty-five infants were diagnosed with CMPA (Group 1 - cases group) and 105 had no proven allergy (Group 2 - control group). Mean age of patients, gender distribution and prevalence of premature birth registered no statistically significant difference between the two groups. The prevalence of familial history of allergy was higher in case of patients with CMPA (36.36% versus 20% in control group). The delay between the introduction of CMP into alimentation and symptoms onset was significantly shorter in Group 1 (12 days) compared to Group 2 (42 days) (p=0.0051), thus pleading for an earlier onset of symptoms in case of CMPA. CMPA usually manifested through an association of gastrointestinal (76.36%), cutaneous and mucosal symptoms (70.91%). Specific IgE were positive values in 49 patients with CMPA (89.09%) and 32 patients (30.48%) without CMPA (p<0.001). Endoscopic examinations with tissue sampling were performed in 26 infants with CMPA. Focal erythema, erosions and lymphoid nodular hyperplasia were signaled in 23 cases and eosinophilic infiltration was noticed in 15 cases. In conclusion, specific IgE and pathological changes offer highly reliable methods for CMPA diagnosis.

Corresponding author: Smaranda Diaconescu, Lecturer, MD, PhD; e-mail: smaranda.diaconescu@umfiasi.ro

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