Intraoperative Neurophysiological Monitoring During Resection of Posterior Fossa Lesions (original) (raw)
Pakistan Armed Forces Medical Journal
Objective: To study the benefits of intraoperative neurophysiological monitoring during the resection of posterior fossa lesions. Study Design: Cross-sectional study. Place and Duration of Study: Department of Neurosurgery, Combined Military Hospital (CMH), Rawalpindi Pakistan, from Apr 2020 to Mar 2022. Methodology: One hundred and sixty-nine diagnosed posterior fossa lesions, including cerebellopontine angle tumours, were included. The chi-square test was used to test the association of new neurological deficits among different pathologies. In addition, the sensitivity and specificity of IONM were also calculated for risk identification of new neurological deficits. Results: The mean age of the patients was 35.75±9.31 years. No clinical signs and symptoms were associated with the new neurological deficit (p-value> 0.05). The majority (72.8%) of the surgeries were declared successful, as only 46(27.2%) surgery outcome was “Poor”. The sensitivity of the IONM monitoring was 51.61%...
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