Abstract
Objective
To compare clinical and nerve conduction studies (NCS) parameters predictive of outcome in children with acute inflammatory demyelinating polyneuropathy (AIDP) and acute motor axonal neuropathy (AMAN).
Methods
In this prospective observational study, NCS was done on all children at admission and repeated before discharge. Functional status of patients was graded as per Hughes Disability score. These children were followed up till they achieved independent walking. Clinical and NCS criteria were compared between (a) AMAN and AIDP and (b) two subgroups of children with AMAN—those who achieved early (within 60 d) versus delayed (i.e., after 60 d) walking.
Results
Fifty-seven children were initially enrolled, first NCS showed inexcitable nerves in 10, AMAN in 29, acute motor-sensory axonal neuropathy (AMSAN) in 3, AIDP in 13, and 2 were normal. Subsequent NCS showed AMAN in 37, AIDP in 15, AMSAN in 3 patients. There were no deaths, 16 required ventilation. Follow-up till independent walking, was available for 40 patients. AMAN was associated with faster progression, greater peak disability, prolonged hospital stay, and delayed walking (p < 0.05). Asymmetrical nerve involvement predicted prolonged hospital stay as well as delayed walking. In the AMAN group, prolonged ulnar F-wave latencies were significantly associated with delayed walking (p = 0.02).
Conclusion
Long term prognosis of pediatric GBS is generally satisfactory. AMAN, asymmetric involvement and prolonged ulnar F-wave latencies in children with AMAN were associated with delayed walking.
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Acknowledgments
The authors thank their technicians Mr. Santosh Taru and Ms. Monica for conducting detailed nerve conduction studies; their biostatistician Mr. Rupesh Deshmukh for analyzing the data and completing the statistical analysis; and their Head of the Department, Dr. (Prof) Sanjay Lalwani for the logistic support to conduct the study.
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KS and EA conceptualized the study; EA and AB did the data collection during hospitalization and follow-up; UK and SJ analyzed the nerve conduction studies; EA and BT helped in data analysis and manuscript writing, referencing etc.; KS and SR finalized the manuscript.
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Agarwal, E., Bhagat, A., Srivastava, K. et al. Clinical and Electrophysiological Factors Predicting Prolonged Recovery in Children with Guillain–Barré Syndrome. Indian J Pediatr 89, 452–458 (2022). https://doi.org/10.1007/s12098-021-03804-7
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DOI: https://doi.org/10.1007/s12098-021-03804-7