Objective: This study was focused on the assessment of patients improvement in hearing, as measured by pure tone audiometry after stapedotomy for primary otosclerosis. Materials and Methods: This prospective clinical study was performed in a total of 50 patients diagnosed with Primary Otosclerosis, who underwent Stapedotomy at the Department of ENT & Head-Neck Surgery, Combined Military Hospital, Dhaka between June 2012 to January 2014. All patients were evaluated as per the candidacy criteria for stapedotomy and selected patients underwent surgery during the study period and were followed up for a period of 12 months in the Otology clinic. Pre-operative and Post-operative audiometric evaluation was done using conventional pure tone audiometry with standard calibrations. Post-operative audiometry was performed at 03 month, 06 months and 12 months. The bone-conduction & air conduction thresholds and the Air- Bone gap (ABG), were documented and analysed at 0.5 KHz, 1 KHz, 2 KHz and 4 KHz frequencies respectively. The subjective outcomes in hearing were also recorded with a patient satisfaction questionnaire to assess improvement in quality of hearing after stapedotomy. Results: Overall, the frequency specific pre-operative mean averaged Air Conduction thresholds were 63.3dB at 500Hz, 57.5dB at 1 KHz, 55.1dB at 2 KHz and 45.7dB at 4 KHz. The frequency specific post-operative mean averaged Air conduction thresolds were 34.6 dB at 500Hz, 28.9 dB at 1Kz, 30.5dB at 2Kz and 33.3dB at 4Kz.The frequency specific mean average post operative Air Bone Gap (ABG) closure was achieved by 28.7dB at 500Hz, 27.6 dB at 1KHz, 24.6 dB at 2KHz and 12.4 dB at 4KHz by the time of completion of the study at 01 year. A successful closure of AB gap to less than 10dB was achieved in the speech frequencies of 2 KHz and 4 KHz in 84% of cases. Overall, the frequency specific bone-conduction thresholds were unchanged postoperatively in all cases except one, showing that no significant sensori-neural impairment had occured due to the stapedotomy procedure. 1 patient developed post-op severe vertigo which was self-limiting after six weeks. A few interesting cases with anomalous intra-operative findings were also documented and reported herewith. These included monopodal stapes (n=1), anomolous facial nerve (n=1), laterally placed chorda tympani nerve (n=1), high jugular bulb, Malleus ankylosis (n=1) and persistent stapedial artery (n=1). All patients included in our study had significant subjective audiological improvement and responded satisfactorily to the questionnaire formulated to assess their hearing quality after stapedotomy. Conclusions: Our case study confirms that stapedotomy is a safe and successful procedure providing long-term hearing improvement in primary otosclerosis. Obliterative otosclerosis, biscuit or floating footplate, monopodal stapes, anomalous facial nerve and persistent stapedial artery may be special scenarios encountered during stapedotomy and they need judicious management by an experienced surgeon. Our study shows that meticulous selection of cases for stapedotomy will result in highly successful audiological outcomes. DOI: http://dx.doi.org/10.3329/bjo.v20i2.22024 Bangladesh J Otorhinolaryngol; October 2014; 20(2): 87-92
Introduction: An enlarged neck node is frequently the first clinical manifestation of a neoplastic process in the head and neck region. The earlier the diagnosis is made, the greater the chance of improved survival. A common denominator to all head-neck malignancy is their ability to metastasize. Although metastasis is not a random event, some tumours have the propensity to extensive local invasion without metastasis whereas others metastasize early in their development. Objective: To evaluate the different primary sites metastasizing to cervical lymph nodes. Materials and Methods: A prospective observational study was carried out from July 2007 to March 2009 in the department of Otolaryngology and Head-Neck Surgery, Combined Military Hospital, Dhaka among 60 patients who had metastatic neck nodes with known primary in head-neck region and those with unknown primary were included in this study. Metastatic neck disease involving left supraclavicular or scalene nodes with a possible primary arising within the chest or abdomen were excluded from the study. All cases were advised for Fine Needle Aspiration Cytology (FNAC) of enlarged neck nodes. Tissue samples were taken from primary sites for histopathology. Results: Metastatic neck disease is commonly encountered in Bangladesh. A primary lesion was identified in 53(88.33%) cases however primary sites found undetected in 7(11.67%) cases. Among the primary sites 43(81.13%) cases were seen to arise from squamous lining of upper aero-digestive tract and 10(18.87%) cases were having a nonsquamous origin arising from thyroid gland (13.33%) and parotid gland (3.33%). Among the known primary sites highest incidence of metastatic neck nodes was found with carcinoma- larynx 22(36.66%) and pyriform fossa in 9(15%) cases. Forty seven (78.33%) patients were male and 13(21.67) were female with ratio being 3.6:1 of ages ranging from 20 years to 90 years. Conclusion: Metastatic neck disease in commonly encountered in Bangladesh. Enlarged cervical nodes in an elderly patient should always be considered as metastatic until proved otherwise. Journal of Armed Forces Medical College Bangladesh Vol.12(2) 2016: 56-59
Introduction: Thyroid surgery is a common modality of treatment for both benign and malignant thyroid disorders.Relationship between inferior thyroid artery (ITA) and recurrent laryngeal nerve (RLN) is crucial in preservation of recurrent laryngeal nerve. Thorough anatomical knowledge and meticulous surgery will ensure the integrity of recurrent laryngeal nerve. Objective: The purpose of this study is to observe the anatomical position of recurrent laryngeal nerve in relation to inferior thyroid artery which will eventually lead to identification of recurrent laryngeal nerve peroperatively. Methods: A cross sectional retrospective study was conducted during the time period of 1st January 2013 to 31st December 2015 in Combined Military Hospital, Dhaka among 200 patients who had undergone thyroidectomy. Results: In this series on the right side 71.8% cases RLN was dorsal to ITA, 21.7% cases it was ventral and in 6.5% cases RLN runs in between the branches of ITA. In case of left side 74.5% cases RLN was dorsal to ITA, 22.5% cases it was ventral and in 3% cases RLN runs in between the branches of ITA. Conclusion: Usually RLN runs dorsal to ITA. In left side it is deeper and in case of right side it is more superficial. RLN may pass through the branches of ITA, but it is not very common. Bangladesh J Otorhinolaryngol; October 2016; 22(2): 60-65
Introduction: Total laryngectomy is the gold standard treatment for advanced laryngeal cancer. Sacrifice of voice is one of the most important shortcomings of the procedure. Possibility of achieving good quality voice is greater with prosthesis compared to other method. Post laryngectomy voice rehabilitation with prosthesis yield excellent outcome in most of the cases. Swallowing, pulmonary and olfactory rehabilitation should be managed by multidisciplinary team for better quality of life (QoL). Objectives: The purpose of this study was to observe the outcomes of voice, swallowing pulmonary and olfactory rehabilitation and QoL following total laryngectomy. Methods: This cross sectional retrospective clinical study was conducted at the Head & Neck Oncology Unit, Combined Military Hospital (CMH), Dhaka. Total 57 candidates were selected. Diagnosis was done by thorough clinical examination, Fibre Optic Laryngoscopy. Contrast Enhanced Computed Tomography (CECT) scan of neck was done except few cases where MRI of neck was done for subtle cartilage erosion was suspected. Examination under anaesthesia, direct larangoscopy and biopsy was done for every cases. Candidates were post chemo-radiated/ radiated biopsy proven recurrent cases, clinically nonfunctional larynx with aspiration and radiologically evident of cartilage erosion. In all cases artificial voice prosthesis was used. All the laryngectomees underwent voice, swallowing, pulmonary and olfactory rehabilitation in laryngectomy club of head & neck oncology unit, CMH Dhaka for a period of 3 months as per standard protocol. Results: Among the 57 patients 42 of them are using voice prosthesis without any complications till to date. Voice rehabilitation started after wound healing & developed meaningful voice in around 6 weeks. Satisfactory speech & voice outcomes were observed near about 3 months. Voice quality was assessed by multivariate statistical analysis. Excellent voice was observed for 38 patients, good voice for 12 patients, fair voice for 05 patients and poor voice for 02 patients. Troubleshooting like mycotic infection developed in 6 patients which was managed by anti-fungal medication with regular appropriate cleaning, Pharyngocutaneous fistula developed in 5 patients, 3 healed later by pressure dressing and anticholinergic & 1 required exploration and flap reconstruction, 01 developed recurrent stomal stenosis which managed surgically by Y-V advancement. Prosthesis expelled out in 3 cases. 02 cases developed dysphagia due to tonicity of pharyngoesophageal (PE) segment & managed by botox injection. Significantly better voice & swallowing were reported by patients undergone laryngectomy alone in comparison with patients receiving adjuvant radiotherapy & patient undergoing salvage laryngectomy. Conclusion: Awareness should be developed as sacrifice of voice box is no more a permanent comorbidity of total laryngectomy. Excellent voice can be developed by insertion of voice prosthesis as well as swallowing pulmonary and olfactory rehabilitation following laryngectomy for better of QoL. Bangladesh J Otorhinolaryngol; April 2021; 27(1): 5-11
Introduction: Tubercular lymphadenitis nowadays is the commonest extra pulmonary manifestation of tuberculosis in Bangladesh. Sometimes it causes diagnostic and therapeutic challenge for the clinicians. Occasionally Clinical, laboratory findings and fine needle aspiration cytology (FNAC) is not optimum that creates diagnostic and therapeutic dilemma. FNAC is often inconclusive. Sometimes therapy failed cases and atypical tuberculosis require open biopsy and neck dissection. Objective: To see the effectiveness of lymph node dissection & biopsy for diagnostic purpose and efficacy of the operation in suspected Multi-drug resistant tuberculosis (MDR-TB) for treatment failure due to any reason. Material and Methods: This cross sectional observational study was conducted during the time period of 01st Jan 2014 to 1st Jan 2020 in ENT & Head-Neck Surgery & Pulmonology department, Combined Military Hospital Dhaka on 150 patients who have undergone surgical neck dissection. Results: In this study total number of patients were 216. FNAC was done for all of them and found nonspecific lymphadenitis for 41 cases, lymphoma for 12 cases, sarcoidosis for 08 cases and kikuchi disease for 05 cases. 150 patients were found inconconclusive in FNAC. Inclusion criteria are followings, 1. FNAC is inconclusive & negative 2. Surgery was not done before. Among 150 patients different types of surgery was done like enblock resection, selective neck dissection and modified neck dissection. Histopathologically 06 cases found nonspecific lymphadenitis, 03 cases found lymphoma and 01 case found sarcoid granuloma. 150 cases were found histopathologically tubercular lymphadenitis. They show positive findings in biopsy, caseation necrosis- (100%), C/S +, among the Gene Xpert tests- Gene X-pert (Rif sensitive 83.33%, Rif resistant 16.66%). After completion of anti-tubercular therapy (ATT) (CAT-I HRZE) for total 150 patients, 125 patients were cured and 25 patients were not cured (treatment failure). Out of 25 patients 10 developed multiple cold abscess, 08 developed discharging sinus and 07 had relapse during follow up. 2nd Surgical interventions were done in total 25 patients, 10 TB abscess during ATT (CAT-1 HRZE), 8 discharging sinus and 7 relapse patients along with ATT (CAT-2 SHRZE) and all these patients had no relapse or treatment failure during further follow up. Conclusion: Tuberculous lymphadenitis is best treated with antitubercular medication and in addition surgical neck dissection is more useful in selected cases. So role of surgery is most useful for diagnostic accuracy as well as adjunct to the treatment avoiding prolongation of ATT and noxious side effects of drugs and also to prevent the formation of abscess and sinus. JAFMC Bangladesh. Vol 18, No 1 (June) 2022: 86-89
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