Abstract
Background & Objectives: Transient paralysis of facial nerve is seen to vary from 15 % to 66 % in post-parotid surgery. The objective of this study was to find out the complications in post-parotidectomy with regards to facial nerve dysfunction since it is a vital structure encountered in parotid surgeries.Methods: This was a retrospective study through non probability convenient sampling technique carried from September 2010 to January 2019 in the Department of Otorhinolaryngology, Dow University of Health Sciences, Dr. Ruth K.M.Pfau Civil Hospital, Karachi. Clinical data were recorded from 75 patients and out of them 70 patients had undergone surgery with parotid gland tumours and were reported on the morphology, age, sex, surgical procedure and complications, particularly facial nerve dysfunctions. In most cases ante-grade technique was performed to identify the facial nerve, whereas retrograde technique was used in recurring tumours, and in difficult cases. The stimulator of the nerve has not been used. The nature or severity of Facial nerve dysfunction was assessed in terms of either it is, permanent or temporary, total or incomplete in respect to its branches.Results: Among total 75 patients; the mean age was 38.75 ± 9.26 years with male to female ratio of 1:1. Majority of the patients were diagnosed as pleomorphic adenoma, i.e. 78.6% after which 12% were diagnosed as mucoepidermoid carcinoma. 88.6% of patients had superficial parotidectomy and 11.4% of patients had total parotidectomy. About 75% of patients had no complications. 5(7.1%) patients had complete facial nerve palsy. Damage to the mandibular, buccal and temporozygomatic branch was observed in 10(14%), 2(3%) and 1(1.4%) patients respectively. Conclusion:The most prevalent benign parotid tumour in this study was pleomorphic adenoma. After performing parotid surgery, it was predicted that the rate of complications related to the facial nerve injury was reduced as compared to the previous studies.
Atif Hafeez Siddiqui, Saad Shakil, Danish ur Rahim, Irfan Ahmed Shaikh. (2020) Post parotidectomy facial nerve palsy: A retrospective analysis, Pakistan Journal of Medical Sciences, Volume -36, Issue 2.
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