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Clinical and electromyography characteristics of chemotherapy-induced polyneuropathy in children with acute lymphoblastic leukemia
- Authors: Koryakina O.V.1, Kovtun O.P.1, Sabitov A.U.1, Pediatric L.G.2, Mikhailovskya S.I.2, Repakova A.V.1
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Affiliations:
- Ural State Medical University
- Regional Children Clinical Hospital
- Issue: Vol 12, No 3 (2021)
- Pages: 15-23
- Section: Original studies
- URL: https://journals.eco-vector.com/pediatr/article/view/83048
- DOI: https://doi.org/10.17816/PED12315-23
- ID: 83048
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Abstract
Background. The Hemoblastoses are one of the urgent problems of oncohematology. Modern methods for the treatment of hemoblastoses have improved the prognosis significantly. However, the use of chemotherapy is accompanied by a high frequency of drug complications, including those associated with neurotoxicity. The addition of neurological symptoms to the main clinical picture of the disease significantly aggravates the patient’s condition, affects the prognosis and quality to life.
Aim. Compare clinical picture and neurophysiological signs of chemo-induced polyneuropathy in children with acute lymphoblastic leukemia.
Materials and methods. Neurological examination and electromyography (EMG), were conducted in 21 children aged 3 to 17 years in Regional Children Clinical Hospital of Yekaterinburg from 2019 to 2020.
Results. In the study group, the signs of peripheral polyneuropathy, were revealed in almost all patients receiving induction chemotherapy (95.2%) while clinical neurological symptoms were found in 25% patients. During a 4-month follow-up, all children with subclinical signs of peripheral nerve damage developed corresponding neurological symptoms. According to EMG, the number of patients with mixed polyneuropathy increased by 1.7 times. In every third child, the amplitude of the M-response and nerve conduction velocity, were decreased.
Conclusions. Therefore, neurophysiological examination should be performed at an early stage to identify high-risk groups for neurotoxic complications in children with acute lymphoblastic leukemia receiving chemotherapy as timely administration of therapeutic treatment is required.
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About the authors
Oksana V. Koryakina
Ural State Medical University
Author for correspondence.
Email: koryakina09@mail.ru
MD, PhD, Associate Professor, Department of Nervous Diseases, Neurosurgery and Medical Genetics
Russian Federation, EkaterinburgOlga P. Kovtun
Ural State Medical University
Email: usma@usma.ru
MD, PhD, Dr. Sci. (Med.), Professor, Corresponding Member of the Russian Academy of Sciences,Rector, Department of Polyclinic Pediatrics and Pediatrics, Faculty of Advanced Studies and Professional Retraining
Russian Federation, EkaterinburgAlebai U. Sabitov
Ural State Medical University
Email: postdiplom@usma.ru
MD, PhD, Dr. Sci. (Med.), Professor, Head of the Department of Infectious Diseases and Clinical Immunology, Prorector. Department of Infectious Diseases and Clinical Immunology
Russian Federation, EkaterinburgLarisa G. Pediatric
Regional Children Clinical Hospital
Email: fechinalg@mis66.ru
MD, PhD, Deputy Chief Physician forOncology and Hematology. Center for Pediatric Oncology and Hematology
Russian Federation, EkaterinburgSvetlana I. Mikhailovskya
Regional Children Clinical Hospital
Email: tuss166@yandex.ru
Head of the Department of Functional Diagnostics
Russian Federation, EkaterinburgAnna V. Repakova
Ural State Medical University
Email: koryakina09@mail.ru
functional diagnostics doctor, Department of Functional Diagnostics
Russian Federation, EkaterinburgReferences
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