Abstract BackgroundWHO declared COVID-19 outbreak as pandemic in March, 2020, which was started from Wuhan of china. Mastoidectomy is an aerosol generating procedure. If a patient of COVID-19, either confirmed, suspected or asymptomatic career, requires mastoidectomy urgently, it’s a critical issue for the health care professionals for the highly contagious nature of this novel corona virus. Here, some simple, but novel and very effective measures will be discussed for protection of all health care providers (HCPs). Polythene sheet and Povidone Iodine are the change makers in this novel approach of mastoidectomy, mentioned in this article. So, we named the technique as ‘POLIDON approach’ of mastoidectomy.Method/ MaterialPlacement of a transparent, sterile polythene sheet which acts as an interface between patient and surgeons and all other OR staffs is an important issue. Meanwhile, extended use of Povidone Iodine (PVP-I) is recommended in different way. Mouthwash for gargling and nasal application either by spray or nasal irrigation or drop will reduce viral load from nose and mouth of patient. HCPs should use PVP-I prophylactically also. Thus the chance of transmissibility of novel coronavirus is reducedMeanwhile, Povidone Iodine should be mixed with irrigating fluid to help in reduction of contamination by bone dust mixed with fluid, produced during surgery. Conclusion As mastoidectomy is an aerosol generating procedure, and novel coronavirus is highly contagious, so higher level of protection is required. A simple and cheap polythene sheet as barrier drape as well as rational and novel use of Povidone Iodine, i.e. the proposed ‘POLIDON’ approach can significantly reduce the chance of corona virus transmission among the health care professionals working in the operation theatre.

Background: Thyroglossal duct cyst a developmental anomaly present as a congenital cervical masses of neck in children.Objectives: To observe its deferent presentation and evaluate among the children. Results: Among 24 children with thyroglossal cyst, 15 boys and 9 girls with male female ratio 1.67:1, age ranged from 4 years to 18 years (mean 9.46 std ±4.27). Male (mean7.53±4.01years) child are younger than female (mean12.67±2.39 years) child. 66.67% male children were below 10 years of age and 88.89% female children were over 10 years of age. According to the presentation site 17(70.83%) cases were juxtra hyoid, 4(16.67%) were suprahyoid and 3 (12.50%) were infrahyoid. 23 (95.83%) were present as midline swelling, only 1(4.17%) was present as left lateral infrahyoid swelling. 4(16.67%) patient were attended as thyroglossal fistulae with

Background: Bilateral anterior nasal packing is often done after septal surgery for hemostatic reasons and mechanical splinting. It has been suggested that nasal packing following septal surgery is a frequent cause of short term eustachian tube dysfunction such as ear fullness and mild pain. Objectives: To evaluate the effect of anterior nasal packing on middle ear pressure. Methods: For this prospective, longitudinal study, ninety-two (92) patients admitted for routine septal surgeries were selected according to inclusion and exclusion criteria from the in-patient Department of ENT and Head &Neck Surgery, Dhaka Medical College and Hospital, Dhaka during 1st January 2020 to 31st July 2021. Following informed written consent, the patients were interviewed three times: preoperative, after 24 hours of ANS pack and 6 days after pack removal. During each time, middle ear pressure was measured by an impedance audiometer. Any otological symptoms produced when ANS pack was in place for 24 hours and 6 days after pack removal were also observed and recorded. Results: Among 92 patients in this study, mean preoperative middle ear pressure was -5.5 (± 30.14) daPa. After 24 hours of anterior nasal packing, 70 ears (38%) showed abnormal middle ear pressure among 184 ears. Mean middle ear pressure after 24 hours of ANS pack was -76.5 (± 58.8) daPa. Middle ear pressure again measured after 6 days of removal of ANS pack and showed that the middle ear pressure of all the patients were within normal range. Mean middle ear pressure was -12.4(± 36.5) daPa after 6 days of pack removal. Some otological symptoms developed due to change in middle ear pressure following ANS pack like ear fullness, earache and tinnitus. All these symptoms subsided after 6 days of pack removal. Conclusion: Anterior nasal packing decreases middle ear pressure which is reversible and returns to normal 6 days after pack removal. Some otological symptoms developed due to change in middle ear pressure which were transient and all came to normal after 6 days of pack removal. Bangladesh J Otorhinolaryngol 2022; 28(2): 135-140

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not available J Dhaka Medical College, Vol. 29, No.2, October, 2020, Page 92-94