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. 2019 Feb 25;20(1):65.
doi: 10.1186/s12882-019-1240-2.

Influenza vaccination among children with idiopathic nephrotic syndrome: an investigation of practices

Roman Klifa  1 , Julie Toubiana  2 , Alizée Michel  3 , Nathalie Biebuyck  3 , Marina Charbit  3 , Laurence Heidet  3 , Saoussen Krid  3 , Pauline Krug  3 , Rémi Salomon  3 , Olivia Boyer  3
Affiliations

Influenza vaccination among children with idiopathic nephrotic syndrome: an investigation of practices

Roman Klifa et al. BMC Nephrol. .

Abstract

Background: Annual influenza vaccination is recommended for all children with idiopathic nephrotic syndrome (INS) in France. Consequently, the Social Security automatically sends prescriptions to all patients suffering from a chronic disease. The aim of this study was to evaluate the follow-up to these recommendations.

Methods: We conducted a monocentric retrospective investigation of practices. We included all children with steroid-sensitive INS in remission who attended our clinics from January 1st 2015 to January 1st 2017, resided in France and had a valid phone number. Data were collected from May 2017 to June 2017 through a phone interview and review of clinical charts.

Results: 75 patients met the inclusion criteria. The parents of 57 children could be reached by phone and agreed to participate to the survey. 35/57 (61.4%) declared having received a prescription during the 2016-2017 campaign. Only 14 children (24.6%) were vaccinated. 17/43 (39.5%) parents of unvaccinated children had concerns about the safety of the vaccine, 16/43 (37.2%) were not aware of the recommendations, 5/43 (11.6%) had been recommended by their physician not to vaccinate their child, 3/43 (7%) forgot to have them vaccinated and 2/43 (4.6%) reported no reason. 13/43 (30%) unvaccinated children presented a relapse during the flu season - 2/13 during an influenza-like illness - whereas 1/14 (7%) immunized children presented a relapse during the six months of post-vaccination follow-up. Relapse rates were not increased in vaccinated children compared to unvaccinated children (p = 0.15), nor in the 6 months following vaccination compared to the 6 months prior (1/14 vs 5/14, p = 0.20).

Conclusions: 1) < 2/3 patients were properly prescribed the recommended yearly influenza vaccination at our center 2) only 1/4 were vaccinated and most of their parents were misinformed. Physicians must be aware of this and should make every effort to better inform their patients on the risks of flu illness and the benefits and safety of the vaccination.

Keywords: Efficacy; Idiopathic nephrotic syndrome; Influenza; Practices; Safety; Vaccination.

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Conflict of interest statement

Ethics approval and consent to participate

Ethics committee of Necker-Enfants Malades (which belongs to Necker-Enfants Malades Hospital) ruled that no formal ethics approval was required in this aparticular case. The consent from study participants was verbal and was approved by the local ethic committee.

Consent for publication

Not applicable

Competing interests

The authors declare that they have no competing interests.

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Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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