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Symptom development in originally asymptomatic CPAM diagnosed prenatally: a systematic review

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Abstract

Purpose

For the approximately three quarters of patients with a prenatal diagnosis of congenital pulmonary airway malformation (CPAM) who are asymptomatic at birth, the chance of eventually developing symptoms is unknown. We sought to explore the natural history of asymptomatic CPAM.

Methods

We searched EMBASE, MEDLINE, and the first 50 results from Google Scholar. Studies describing the natural history of prenatally diagnosed, initially asymptomatic CPAM were included. For asymptomatic patients initially managed non-surgically, we tabulated the proportion who went on to develop symptoms as well as the median age at symptom development.

Results

We included data from 19 retrospective studies on 353 patients. Of the 128 patients managed expectantly, 31 (24.2%) developed symptoms requiring surgical intervention. The median age at symptom development was 7.5 months (range 15 days–5 years).

Conclusion

The risk for developing respiratory symptoms exists with originally asymptomatic CPAM patients, but the exact risk is difficult to predict. Parents may be given the value of approximately 1 in 4 as an estimate of the proportion of asymptomatic CPAM patients who go on to develop symptoms, which will help them make an informed decision regarding the option of elective surgery.

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Acknowledgements

We thank Margaret Sampson, MLIS, PhD, AHIP (Children’s Hospital of Eastern Ontario) for developing the electronic search strategies.

Funding

University of Ottawa Faculty of Medicine Studentship.

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Authors and Affiliations

  1. Department of Surgery, Children’s Hospital of Eastern Ontario, 401 Smyth Rd, Ottawa, ON, K1H 8L1, Canada

    Navot Kantor, Carolyn Wayne & Ahmed Nasr

  2. Faculty of Medicine, University of Ottawa, Ottawa, Canada

    Navot Kantor & Ahmed Nasr

Authors
  1. Navot Kantor
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  2. Carolyn Wayne
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Correspondence to Ahmed Nasr.

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Kantor, N., Wayne, C. & Nasr, A. Symptom development in originally asymptomatic CPAM diagnosed prenatally: a systematic review. Pediatr Surg Int 34, 613–620 (2018). https://doi.org/10.1007/s00383-018-4264-y

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