Frequency and Clinical Outcomes of Facial Nerve Palsy at District Level Teaching Hospital, Pakistan
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Abstract
Background: Facial nerve palsy, characterized by the dysfunction of the seventh cranial nerve, is a common neurological disorder that significantly impacts patients' quality of life. It manifests as unilateral facial weakness or paralysis, with Bell's palsy being the most prevalent cause. This condition requires thorough clinical evaluation and appropriate management to ensure optimal recovery outcomes.
Objective: The objective of this study was to determine the frequency and clinical outcomes of facial nerve palsy in patients presenting to a district-level teaching hospital in Lakki Marwat, Pakistan.
Methods: A cross-sectional study was conducted from May 2023 to October 2023 at the Physiotherapy Department of District Headquarter Hospital, Lakki Marwat. Patients with a confirmed diagnosis of facial nerve palsy by a neurophysician were included, while those with congenital facial nerve palsy or upper motor neuron lesions were excluded. Ethical approval was obtained, and written informed consent was collected from all participants. Clinical assessments were performed using the House-Brackmann scale to evaluate the severity of facial nerve dysfunction. Data were collected through a semi-structured questionnaire and analyzed using SPSS version 25. Descriptive statistics, including frequencies, percentages, means, and standard deviations, were used to present the data.
Results: Out of 102 patients, 59 (57.9%) were male, and 43 (42.1%) were female, with a mean age of 38.2 ± 10.36 years. The majority of patients (41.1%) were in the 31-40 years age group. Right-side facial palsy was more prevalent, affecting 64 (62.7%) patients. The House-Brackmann grading revealed that 49 (48.2%) patients were in Grade IV, 24 (23.5%) in Grade V, 15 (14.7%) in Grade III, 8 (7.8%) in Grade VI, and 6 (5.8%) in Grade II. Bell’s palsy was the most common cause, accounting for 52 (51%) cases, followed by external trauma in 22 (21.6%) patients, infections in 18 (17.6%) patients, and tumors in 10 (9.8%) patients. Treatment outcomes showed complete recovery in 65 (63.7%) patients, incomplete recovery in 28 (27.5%), and no recovery in 9 (8.8%).
Conclusion: Facial nerve palsy was more common in male patients, with the right side of the face being predominantly affected. Bell’s palsy was identified as the leading cause. The study highlights the importance of early diagnosis and intervention, particularly physiotherapy, in managing facial nerve palsy. Further research is recommended to explore long-term outcomes and optimize treatment strategies.
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