Publications by authors named "Sunil N Dutt"

Article Synopsis
  • A study analyzed mixed mould infections in patients with COVID-19-associated pulmonary mucormycosis (CAPM) to determine the prevalence of co-existing COVID-19-associated pulmonary aspergillosis (CAPA) and its impact on early mortality.
  • Among 105 patients with CAPM, 20% had mixed mould infections, and those with CAPA experienced significantly higher early mortality rates (42.9%) compared to those without (17.9%).
  • The findings suggest that co-existing CAPA worsens the prognosis for CAPM patients, highlighting the need for further research on mixed mould infections globally.
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Cochlear Implantation (CI) is a well-accepted treatment for severe-to-profound sensorineural hearing loss, refractory to conventional hearing amplification. Pre-operative Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) play pivotal roles in patient selection to rule out findings that preclude surgery or identify conditions that may impact the surgical procedure. A prospective study was carried out in a tertiary care center over three years, from January 2020 to January 2023.

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Article Synopsis
  • The study aims to compare COVID-19-associated pulmonary mucormycosis (CAPM) with COVID-19-associated rhino-orbital mucormycosis (CAROM), identify factors linked to CAPM, and determine 12-week mortality predictors in CAPM patients.
  • Researchers conducted a retrospective analysis involving 1724 COVID-19 patients, assessing demographics and illness details, and found that CAPM had higher rates of male sex, hypoxemia, and certain health conditions compared to CAROM.
  • Results showed that CAPM had higher 12-week mortality (52.3%) than CAROM (30.5%), with factors like hypoxemia and Aspergillus co-infection increasing mortality risk, while
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[This corrects the article DOI: 10.1007/s12070-022-03277-w.].

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Article Synopsis
  • * In countries like India, challenges such as lack of awareness and resources make it crucial to optimize tests that can improve cochlear implantation success rates.
  • * The paper outlines a follow-up protocol for children post-meningitis, recommending at least two years of monitoring for hearing loss and timely cochlear implantation when necessary.
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Studies from developed countries show the prevalence of permanent childhood hearing loss to be 1 to 2 per thousand children. The estimated number of Ear, Nose, and Throat (ENT) specialists and otologists in India were 7000 and 2000. There is a great need for trained CI surgeons to care for that burden.

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Submandibular sialadenitis is a common ailment in otorhinolaryngological and oral surgical practice. Some of the common causes of sialadenitis include sialolithiasis, inspissated mucous plugs, strictures and anatomical ductal variations. Very rarely do foreign bodies cause obstructive sialadenitis.

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To develop an accurate protocol for measuring the Cochlear Duct Length (CDL) by using Multi Detector Computerized Tomography (MDCT) imaging of the temporal bones and thereby make the appropriate choice of electrode for cochlear implantation. 79 MED-EL® Cochlear implantees were divided into three cohorts in chronological order of their implantation. CDL was calculated from MDCT images and correlated with the CDL calculated using the existing Jolly's formula.

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We performed a case–control study across 25 hospitals in India for the period of January–June 2021 to evaluate the reasons for an COVID-19–associated mucormycosis (CAM) outbreak. We investigated whether COVID-19 treatment practices (glucocorticoids, zinc, tocilizumab, and others) were associated with CAM. We included 1,733 cases of CAM and 3,911 age-matched COVID-19 controls.

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Benign Paroxysmal Positional Vertigo (BPPV), the most common vestibular disorder characterized by recurrent, brief episodes of vertigo, is attributed to the presence of otoconia in the semicircular canals. Two mechanisms contribute to its cause-canalolithiasis (otoconia freely mobile in the semicircular canal) and cupulolithiasis (otoconia adherent to the cupula). Posterior semicircular canal is the most common canal involved.

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Profound hearing loss requiring cochlear implantation and arachnoid cyst requiring placement of Cysto-Peritoneal Shunt (CPS) are two commonly seen entities. However, there are very few published cases of patients requiring both of them. The present report describes the importance of multidisciplinary surgical planning in one such patient.

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Objectives: To comprehensively analyse the disease presentation and mortality of COVID-associated rhino-orbito-cerebral mucormycosis.

Methods: A retrospective analysis of the demographics, clinical and radiographic findings was performed. A binary logistic regression analysis was performed to examine the survival of patients with mucormycosis from hypothesised predictors.

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Auditory Brainstem Implants have been recommended as the gold standard in hearing rehabilitation of Neurofibromatosis Type 2 patients who lose hearing completely in both the ears and the cochlear nerves are not stimulable. Some patients have undergone cochlear implantation, in whom the cochlear nerve was spared during surgery or have undergone stereotactic radiotherapy preserving the function of the cochlear nerve. Here we report a case in whom we chose cochlear implantation prior to any definitive treatment for the tumour itself during the 'wait and watch' period.

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Bilateral Bone Anchored Hearing Aids (BAHA) provide more subjective patient satisfaction and outcome than unilateral BAHA. Initially, percutaneous BAHAs were used for many decades. Transcutaneous BAHAs were started later to overcome problems associated with percutaneous ones.

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The presence of an ectopic tooth into the nasal cavity is unusual. It can be supernumerary, deciduous or permanent. It is important to identify it early to prevent complications such as epistaxis, paranasal sinusitis, nasal septal deviation, nasal septal abscess, and oral-nasal fistula.

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Cochlear implantation has become a standard tool of management of severe to profound hearing loss. Cochlear implantation in patients with chronic renal failure who are on hemodialysis are at greater risk of complications intraoperatively and postoperatively. Very few cases of cochlear implantation have been reported in the English literature so far following renal transplantation.

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It has been seen that 20% of children with deafness have inner ear malformations. Studies demonstrate that Cerebrospinal Fluid (CSF) leakage occurs in 40-50% of patients with inner ear malformations. Differentiating between the various malformations pre-operatively allows the cochlear implant surgeon to plan and prepare for various difficulties associated with the management of such cases.

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Objective: To study parental perspectives on re/habilitation services offered for pediatric cochlear implant (CI) users at a non-profit organization in India.

Methodology: A non-standardized questionnaire comprising 46 items was created to understand perspectives of parents of pediatric CI users. Questions were designed to examine re/habilitation services from the angles of service delivery, parental stress levels, reasons for delay in obtaining services, sources of emotional support, concerns, and fears during each stage starting from diagnosis of hearing loss to CI surgery, re/habilitation services and parents' views of their children post-CI.

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Objective: To analyze the hearing results of malleovestibulopexy (MVP) technique in the special situations encountered in revision stapedotomies and congenital middle ear malformations.

Design: Retrospective chart review.

Setting: Tertiary referral stapes surgery center, community hospital.

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This study aimed to evaluate the results of 394 bilateral stapedotomies according to the American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS) guidelines and with the Glasgow Benefit Plot (GBP) and also analyze the benefit of a second-ear stapedotomy in achievement of normal and symmetrical hearing using retrospective chart review. The charts of 1,369 stapedotomies performed by senior author (J.H.

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Aims: To analyze hearing results of surgical treatment of hearing loss associated with the congenital stapes ankylosis with or without malformations of ossicular chain.

Study Design: Retrospective chart review.

Methods: The charts of 1369 stapedotomies performed by senior author (JH) from 1991 to 2006 were reviewed.

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Objective: To assess the long-term efficacy and safety of posterior semicircular canal (PSCC) occlusion for intractable and incapacitating benign paroxysmal positional vertigo (BPPV) and identify lessons that may be learned from our experience.

Study Design: Retrospective review.

Setting: Tertiary referral centre.

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