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European Journal of Pediatrics

, Volume 178, Issue 9, pp 1445–1445 | Cite as

Ultrasound as diagnosis tool for grading bronchiolitis: where are your limits lost?

  • Maria Elena LatrofaEmail author
  • Antonio M. Esquinas
  • Leonardo Costa
Correspondence

To Editor,

We read the interesting article from Supino and colleagues [4]. The use of ultrasound in bronchiolitis diagnosis is an emerging topic. The validation of ultrasound scores integrated with clinical ones may allow the reduction of chest x-ray use [2]. Recent studies have shown the validity of ultrasound compared with chest x-ray in bronchiolitis [1]. The score used in this study is simple and easy; this can increase the inter-observer agreement. The aim of this study is to evaluate the predictivity for the need of respiratory support; it could be very useful for therapy and hospitalization or pediatric intensive care admission. Although studies that used other ultrasound scores [3] have shown a good correlation between ultrasound and clinical score, there are some key aspects to clarify for a proper clinical extrapolation. First, in this study, the correlation between the two scores was not evaluated although this was one of the study aims. Why? It could be interesting also to explain the reason why there is no correlation between the ultrasound score and the oxygen saturation on Emergency Department admission, which is an important parameter for the decision about respiratory support [5]. Secondly, the study shows a correlation between the ultrasound score and oxygen therapy duration, but the linear regression showed that includes the clinical score is the only explanatory variable: does it depend on the validity of the ultrasound score compared with the clinical score? This has important impact on clinical decisions. We agree that the ultrasound is repeatable; this would allow to follow the evolution of bronchiolitis; it would have been interesting to calculate the ultrasound score in various moments after Emergency Department admission to assess its ability to anticipate the patient’s clinical deterioration. Multicenter studies on larger populations including patients even with severe bronchiolitis are required.

Notes

Authors’ contributions

All authors contribute with this preparation.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

References

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Pediatric Anesthesia and Intensive CareS. Orsola Malpighi HospitalBolognaItaly
  2. 2.Intensive Care UnitHospital Morales MeseguerMurciaSpain

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