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OBJECTIVES: The primary outcome measures evaluated the financial toxicity and mental well-being of the oral cancer survivors. METHODS: A cross-sectional study of oral cancer survivors who were disease-free for more than 6 months after treatment and visited the hospital for a routine follow-up is included in the study. Mental well-being and financial toxicity were evaluated using the Depression, Anxiety, and Stress Scale - 21 (DASS 21) and Comprehensive Score for financial Toxicity (COST- Functional Assessment of Chronic Illness Therapy) questionnaires. A literature review was done to compare the results with financial toxicity and mental health in cancer patients from the pre-pandemic era. RESULTS: A total of 79 oral cancer survivors were included in the study, predominantly males (M: F = 10:1). The age ranged from 26 to 75 years (The median age is 49). The full-time employment dropped from 83.5% in the pre-treatment period to 21.5% post-treatment. Depression was observed in 58.2% and anxiety in 72.2%. Unemployed survivors were observed to have more depression (OR = 1.3, 95% confidence interval (CI) = 0.3-5.4, p = 0.6), anxiety (OR = 3.5, 95% CI = 0.3-21.2, p = 0.1) and stress (OR = 1.6, 95% CI = 0.3-6.6, p = 0.5) than rest of the cohort. On univariate analysis, unemployed survivors (M = 11.8 ± 3.8, p = 0.01) had significantly poorer financial toxicity scores. Survivors with depression (M = 16.4 ± 7.1, p = 0.06) and stress (M = 14.4 ± 6.8, p = 0.002) had poor financial toxicity scores. On multifactorial analysis of variance, current employment (p = 0.04) and treatment modality (p = 0.05) were significant factors impacting the financial toxicity. CONCLUSION: There is a trend towards increased incidence of depression, anxiety, and stress among oral cancer survivors compared to the literature from the pre-COVID era. There is significant financial toxicity among either unemployed or part-time workers. This calls for urgent public/government intervention to prevent the long-term impact of financial toxicity on survival and quality of life.
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COVID-19 , Sobreviventes de Câncer , Neoplasias Bucais , Masculino , Humanos , Adulto , Pessoa de Meia-Idade , Idoso , Feminino , COVID-19/epidemiologia , Saúde Mental , Estudos Transversais , Qualidade de Vida/psicologia , Estresse Financeiro/epidemiologia , Países em Desenvolvimento , Ansiedade/epidemiologia , Ansiedade/psicologia , Sobreviventes/psicologia , Depressão/epidemiologia , Depressão/psicologiaRESUMO
BACKGROUND: Oral cancer is one of the most common cancers among the Indian population. India bears the most burden of oral cancer globally. Impairment of swallowing function is often seen after treatment for oral cancer. The oral phase of swallowing is disrupted in patients undergoing resection for oral cancer. The primary purpose of this study was to evaluate the long-term swallowing outcomes of oral cancer patients using a patient-reported outcome questionnaire. METHODOLOGY: All consecutive oral cancer patients in the cT2-T4 category undergoing curative-intent surgery and reconstruction at our institute from March 2020 to March 2022 were included in the study. The Sydney Swallow questionnaire (SSQ) and functional oral intake scale (FOIS) assessed swallowing outcomes six months after definitive treatment. WHO BREF quality-of-life questionnaire was used to assess health-related quality of life. RESULTS: A total of seventy patients with oral cancer were included. The median age was 49 years. The majority of them were males (90%). Tumors with cT4 constituted 62%; the rest, 48%, were cT2 and cT3 categories. The bulk of them were buccoalveolar tumors (64.3%. Almost two-thirds of the patients received multimodal treatment. Trismus and xerostomia were at 46% and 88%, respectively. The mean SSQ score was 257.4 ± 99.1. Swallowing outcomes are affected by T stage (p = 0.01), extent of resection (p = 0.01), multimodality treatment (p < 0.01), trismus (p = 0.05), and xerostomia (p = 0.01). Almost 69% of them required special food preparation for swallowing (FOIS 4&5). Patients with buccoalveolar disease (p = 0.05) had significantly poor quality of life. CONCLUSION: An advanced stage with extensive resection and receiving multimodal treatment has adverse swallowing outcomes. Post-treatment trismus and xerostomia also significantly affected swallowing results.
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Transtornos de Deglutição , Neoplasias Bucais , Xerostomia , Masculino , Humanos , Pessoa de Meia-Idade , Feminino , Deglutição , Qualidade de Vida , Trismo/etiologia , Neoplasias Bucais/complicações , Neoplasias Bucais/cirurgiaRESUMO
BACKGROUND: Outpatient parenteral antimicrobial therapy (OPAT) is a widely used, safe, and cost-effective treatment. Most public and private insurance providers require prior authorization (PA) for OPAT, yet the impact of the inpatient PA process is not known. Our aim was to characterize discharge barriers and PA delays associated with high-priced OPAT antibiotics. METHODS: This was an institutional review board-approved study of adult patients discharged with daptomycin, ceftaroline, ertapenem, and novel beta-lactam-beta-lactamase inhibitor combinations from January 2017 to December 2017. Patients with an OPAT PA delay were compared with patients without a delay. The primary endpoint was total direct hospital costs from the start of treatment. RESULTS: Two-hundred patients were included: 141 (71%) no OPAT delay vs 59 (30%) OPAT delay. More patients with a PA delay were discharged to a subacute care facility compared with an outpatient setting: 37 (63%) vs 52 (37%), P = .001. Discharge delays and median total direct hospital costs were higher for patients with OPAT delays: 31 (53%) vs 21 (15%), P < .001 and $19 576 (interquartile range [IQR], 10 056-37 038) vs $7770 (IQR, 3031-13 974), P < .001. In multiple variable regression, discharge to a subacute care facility was associated with an increased odds of discharge delay, age >64 years was associated with a decreased odds of discharge delay. CONCLUSIONS: OPAT with high-priced antibiotics requires significant care coordination. PA delays are common and contribute to discharge delays. OPAT transitions of care represent an opportunity to improve patient care and address access barriers.
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Anti-Infecciosos , Alta do Paciente , Adulto , Assistência Ambulatorial , Antibacterianos/uso terapêutico , Anti-Infecciosos/uso terapêutico , Humanos , Infusões Parenterais , Pessoa de Meia-Idade , Pacientes Ambulatoriais , Estudos RetrospectivosRESUMO
BACKGROUND: Head and neck squamous cell carcinoma (HNSCC) has multiple epigenetic modifications including post-transcriptional regulation by microRNAs (miRNAs) as well as alterations in molecular pathways due to mutations. Examining these miRNAs and location-specific molecular alterations is essential to understanding the intricacies of HNSCC and directing focused diagnoses and treatments. AIM: To investigate tobacco-related changes in the expression of miRNAs and proteins with clinicopathological parameters of HNSCC and disease-modifying personal habits like tobacco and alcohol use. METHODOLOGY: The study concentrated on oropharyngeal cancers using immunohistochemistry and reverse transcription-polymerase chain reaction. Expression of microRNAs mir15a, mir20b, mir21, mir31, mir33b, mir146a, mir155, mir218, mir363 and mir497 and immunohistochemical expression of P53 and PIK3CA were correlated with grade, stage and personal habits like tobacco and alcohol intake. RESULTS: mir21 and mir15a are under-expressed in higher grades with a trend towards statistical significance (P-value of 0.094 and 0.056 by one-way analysis of variance (ANOVA) on ΔCT values). mir155 and mir146a are overexpressed in stage IV tumours while mir 31 is under-expressed in stage IV tumours but statistical significance was not reached. mir497 showed overexpression in tobacco users, but these results were limited by many tumours not showing any amplification for the miRNA and statistical significance was not reached. There was no statistically significant association found between immunohistochemical expression of p53 and PIK3CA with grade, stage or personal habits. CONCLUSION: Through the deciphering of complex miRNA patterns and their relationships with clinicopathology, this study attempted to increase our understanding of HNSCC. Some candidate miRNAs showing probable association with grade, stage and personal habits were identified, but larger studies are needed to confirm or refute the importance of these miRNAs.
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Bilateral choanal atresia (CA) is a congenital anomaly consisting of an imperforated choana that leads to newborn fatalities but, if unilateral, may go unnoticed for many years. Bilateral CA occurring without significant symptoms and remaining undiagnosed for many years is rare. This case report identifies an adolescent male with bilateral CA who remained undiagnosed till adolescence. The patient presented with isolated complaints of chronic nasal obstruction and discharge and was diagnosed with bilateral CA by endoscopic and radiological evaluation. The patient underwent a coblation-assisted endoscopic CA repair, with a crossover mucoperiosteal flap technique, without stenting and with a successful outcome.
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Atresia das Cóanas , Recém-Nascido , Humanos , Masculino , Adolescente , Atresia das Cóanas/diagnóstico por imagem , Atresia das Cóanas/cirurgia , Diagnóstico Tardio , Nariz , Endoscopia/métodos , Resultado do Tratamento , StentsRESUMO
The incidence of oral squamous cell carcinoma is steadily increasing globally, and even with a better understanding of tumor biology and advanced treatment modalities, the survival of OSCC patients is still not improved. A single metastatic cervical node can decrease survival by 50%. Our study intends to identify the clinical, radiological, and histological factors, significant for nodal metastasis in the pretreatment setting. Ninety-three patients' data is prospectively collected and analyzed to identify the significance of various factors in predicting nodal metastasis. Clinical factors like smokeless tobacco and nodal characteristics and T category and radiological factors like the number of specific nodes were significant for pathological nodes on univariate analysis. Ankyloglossia, radiological ENE, and radiological nodal size were significant on multivariate analysis also. In the pretreatment setting, clinicopathological and radiological factors can be used to predict nodal metastasis in generating predictive nomograms and for better planning of treatment.
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Background and aims A descriptive analysis of patients who underwent surgical debridement for coronavirus disease 2019 (COVID-19) related mucormycosis was described, which aimed at the evaluation of perioperative clinical characteristics, perioperative complications, and outcomes. Methods We conducted a retrospective study on patients who underwent surgical intervention for mucormycosis during the COVID-19 pandemic at a tertiary care institute in India from March 1, 2021, to June 30, 2021. The medical records of 92 patients were reviewed and analyzed. Results There was a male predominance with a mean age of 50.86 years. The most common comorbidity was diabetes mellitus (DM) (98.9%). Intra-operative complications included hypotension, hyperglycemia, and hypokalemia. Most of the patients (88%) were extubated inside the operation theater, and 48% of patients had mortality. Serum ferritin levels, computed tomography severity score (CTSS), and D-dimers were significantly high in the patient who had mortality. Conclusion The perioperative mortality in patients with COVID-19 associated mucormycosis was very high. DM was the most common comorbidity followed by hypertension. Pre-operative elevated serum ferritin, D-dimer, and high CTSS were associated with higher mortality; hypokalemia, followed by hypocalcemia, was the most common perioperative and post-operative electrolyte imbalance. Thorough pre-operative optimization, multidisciplinary involvement, and perioperative care are of the utmost importance to decrease mortality and improve outcomes.
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Non-melanoma skin cancers of the head and neck region require optimal management encompassing oncological safety, minimal functional and cosmetic morbidity. The eyelid reconstruction poses a reconstructive challenge as it should include both anatomical and functional integrity. Full-thickness eyelid defects post resection can be managed with chondrocutaneous grafts. We present to you a case of a man in his 70s, who presented with left lower eyelid squamous cell carcinoma, who had a full-thickness eyelid defect, post ablative resection. Composite chondrocutaneous conchal graft with forehead flap was used to provide adequate functional and cosmetic outcomes. The patient has normal vision, with no exposure keratitis and complications.
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Carcinoma de Células Escamosas , Pavilhão Auricular , Neoplasias Palpebrais , Procedimentos de Cirurgia Plástica , Carcinoma de Células Escamosas/cirurgia , Neoplasias Palpebrais/cirurgia , Pálpebras/cirurgia , Humanos , Masculino , Retalhos Cirúrgicos/cirurgiaRESUMO
Maxillary swing approaches provide excellent exposure of the anterior, mid, and anterolateral skull base offering a wide window to approach nasopharyngeal neoplasms; however, they are also associated with complications. The present study aimed to evaluate the results of a modified total maxillary swing (TMS) approach developed to minimize postoperative complications. The modified TMS approach was used to treat five patients who had extensive juvenile nasopharyngeal angiofibromas between March and October 2019 at our tertiary care center. Surgical technique, preoperative image findings, and intra-operative findings were recorded. In the postoperative follow-up, patients were examined to rule out all possible complications associated with the procedure according to the literature. A retrospective analysis was performed to assess tumor extensions, surgical modifications, and postoperative complications. All tumors had orbital and infratemporal (lateral limit) involvement while four had intracranial involvement. No per-operative complications were reported, and postoperative clinical and endoscopic evaluation was performed at 1, 2, and 3 months. There was no evidence of complications including residue, recurrence, maxillary necrosis, ophthalmoplegia, epiphora, palatal fistula, or jaw malocclusion. Besides, minor complications such as infraorbital margin skin retraction, infraorbital serous collection, maxillo-zygomatic abscess, and unsightly scar were also not seen. Only one case presented with maxillary osteomyelitis which was resolved with mini-plate removal and antibiotics. A modified TMS approach is a prudent option to ensure complete removal of juvenile nasopharyngeal angiofibromas with negligible complications.
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Metastasis to the nasal cavity and paranasal sinuses are very rare and only few cases have been reported so far. Metastatic nasal mass with silent primary renal cell carcinoma (RCC) is even rarer. So are giant cell tumors which rarely affects soft tissues whether superficial or deep. These rarely occur in nasal cavity. We would like to discuss 2 cases-one being a 74 year old female with a solitary asymptomatic extensive metastatic lesion in sinonasal area of silent primary renal cell carcinoma and other being a 38 year old female multiple lytic expansile lesions in facial and skull bones who was previously treated for giant cell tumor of long bone-tibia. We aim to bring their occurrence to notice as they are rare, to highlight importance of these tumors in differential diagnosis of sinonasal masses and treatment options for the same.
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Lipomas are benign soft tissue tumors; the most common ones present in subcutaneous planes distributed throughout the body. However, there are few sites which are unusual location for lipomas. Here, we discuss the presentation of 4 cases of head and neck lipomas at unusual subsites. Though its prevalence is high in the body, lipomas are rarely seen in upper aerodigestive tract and these lesions can cause severe deglutition and respiratory distress problems in addition to cosmetic deformities. In the head and neck, most common location of lipoma is the cheek, followed by the tongue. Tonsillar lipomas are very rare. The mainstay treatment for lipomas is complete surgical excision and recurrence following complete removal is rarely known. We are here discussing a series of 4 cases of lipomas, presenting at uncommon subsites in head and neck region. These include lesions over neck, tongue, palate and tonsillar fossa. Lipomas are benign mesenchymal tumors, that are initially non bothersome. However, with increasing size they can cause severe aerodigestive problems with functional compromise and need complete surgical excision.
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To assess the parameters' setting of the microscope during parotidectomy and the impact of microscopic parotidectomy on facial nerve functional status. A prospective study was conducted on 28 patients in a tertiary care center, who underwent microscopic parotidectomy. Microscope's settings' like magnification, focal length, diameter of the visualized field, and clock position were recorded. Facial nerve functional status was also recorded. All surgeries were performed by right-handed surgeons using Leica F 20 M525 microscope. Clock position of microscope for right parotidectomy ranged between 7 and 10 o clock and for left, it ranged between 7 and 12 o clock. Magnification ranged between 1.3 × and 3.2 ×; magnifications of 1.3 × and 1.8 × were preferred from incision to separation of parotid from sternocleidomastoid muscle, 1.8 × and 2 × for dissection of the facial nerve trunk, and 2 × and 3.2 × for individual branches of the facial nerve. Focal length ranged between 251 and 410 mm and the diameter of the visualized field ranged between 7 and 14.7 cm. Out of 24 cases of benign lesions, 2 (8.3%) developed facial paresis which resolved in 3 months. Two out of four cases of malignancy developed permanent palsy as nerve branches were sacrificed to achieve tumor clearance. Using a microscope for parotidectomy is advantageous for facial nerve dissection, reducing chances of facial paralysis. The microscope was also found to be useful for teaching. The use of appropriate microscopic parameters avoids the glitch of transition from open to microscopic approach.
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The presence of ectopic (supernumerary) teeth is common odontogenic problem in clinical practice. Its presence in dentate region is common but rare in the non dentate areas such as nose and maxillary sinus. The intranasal teeth generally remain asymptomatic but can get misdiagnosed for foreign body, or may present as complications like headache, epistaxis, nasal obstruction, rhinolith formation, oroantral fistula and sinusitis. Here, we discuss a case of intranasal tooth as a rare cause of profuse and recurrent epistaxis. The clinical, radiological findings and surgical treatment via endoscopic approach of this rare entity has been discussed. This interesting case report highlights the need to look beyond nose as cause for epistaxis. Endoscopic removal for this entity can be a preferred option to help minimize complications.
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To perform a subjective and objective assessment of vocal complaints in patients of allergic rhinitis (AR) using voice handicap index and video-stroboscopy respectively and find the association of their parameters with severity of the disease. Cross-sectional-observational study design. Outpatient department of Otorhinolaryngology of a tertiary centre. Seventy-five adult patients diagnosed with AR and classified according to 'Allergic Rhinitis and its Impact on Asthma' guidelines were compared with same number of normal subjects as controls, with the same age and sex, to ensure uniformity. Both the groups were asked to fill a self-answered questionnaire called Voice Handicap Index (VHI) and underwent laryngeal examination with Video-Stroboscopy (VS). The mean VHI score of the AR group (29.45 ± 32.11) was significantly higher (p < 0.05) than that of controls (12.07 ± 16.62). VS parameters including amplitude, supraglottic activity, vocal edge and phase closure also showed significant difference between cases and controls (p < 0.05). VHI scores increased, but the VS findings did not change significantly with the severity of the disease. AR patients show subjective and objective derangements of voice quality. VHI scores show increase, while VS parameters do not change with the severity of AR.
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This retrospective study was carried out to know the incidence of unilateral sensorineural hearing loss (USNHL) (type and degree). (1) To know the incidence of USNHL (other ear being normal) in patients undergoing Pure Tone Audiometry (PTA) for hearing loss (HL). (2) To establish the type and degree of USNHL in patients. Study was conducted over a period of more than 4 years to find out the incidence and pattern of USNHL (other ear being normal) in the patients attending ear, nose, and throat outpatient department (OPD) with a complaint of HL. Pure tone audiometry data of 10,000 cases between August 2014 and December 2018 with HL were analyzed for this study. Demographic characteristics were compared with types and degrees of unilateral sensorineural hearing impairment. A total of 10,000 OPD cases who had a complaint of HL and had undergone pure tone audigram (PTA) in a period of more than 4 years in the Department of Otorhinolaryngology and Head and Neck Surgery were studied. SNHL type was the highest with 3935 cases (39.3%). Out of 3935 cases of SNHL, 1436 (36.50%) were USNHL-out of which, only 872 cases (60.72%) had USNHL with other ear being normal; this constituted the study group, i.e., 872 cases (8.72%) out of 10,000 PTA and 872/3935 (22.16%) of SNHL cases. Hence, incidence of USNHL (with other ear being normal) is 8.72% among all cases of HL and 22.16% among cases of SNHL. Age of cases ranged from 8 to 76 years (mean age - 39.5 years). Male:Female ratio was 1.6:1.0. Both ears were almost equally involved. 35.6% cases had profound (> 90 dB) hearing loss, followed by mild (25-40 dB) in 32.1%.
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Deafmutism affects communication and wholesome development of an individual. India has a significant burden of deafness in the country. Even fourteen years after the launch of a National Program for Prevention and Control of Deafness in year 2006, we lack detailed data about the disability from most regions of the country. This study aims at finding out the prevalence, clinical history-examination and audiological profile of deaf-mute patients visiting the Out Patient Department (OPD) of a tertiary care institute in Uttarakhand, and compare the results with similar studies published during last 20 years from India to generate a literature review. Out of 46,049 patients that visited OPD of the institute during the given period of 24 months, 73 cases were short-listed clinically to be enrolled in the study. However, only 55 (75%) of them completed the questionnaire and audiological testing. All information was extracted from the patients/relatives with the help of a questionnaire in the Hindi language. The prevalence of deafmutism in patient presenting in our OPD in the study period was 0.3%. The history of pre-, peri- and post-natal risk factors was present in high percentage (58.2%, 78.2% and 34.5% respectively) of patients. This warrants review of our maternal and child healthcare strategies. The literature review revealed lack of uniform and standardized tool in conducting and reporting of studies on deafmutism. The questionnaire used in this study can be further improved and modified in the future as per the requirements of data collection.
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Consistent clinical observations of characteristic findings of COVID-19 pneumonia on chest X-rays have attracted the research community to strive to provide a fast and reliable method for screening suspected patients. Several machine learning algorithms have been proposed to find the abnormalities in the lungs using chest X-rays specific to COVID-19 pneumonia and distinguish them from other etiologies of pneumonia. However, despite the enormous magnitude of the pandemic, there are very few instances of public databases of COVID-19 pneumonia, and to the best of our knowledge, there is no database with annotation of abnormalities on the chest X-rays of COVID-19 affected patients. Annotated databases of X-rays can be of significant value in the design and development of algorithms for disease prediction. Further, explainability analysis for the performance of existing or new deep learning algorithms will be enhanced significantly with access to ground-truth abnormality annotations. The proposed COVID Abnormality Annotation for X-Rays (CAAXR) database is built upon the BIMCV-COVID19+ database which is a large-scale dataset containing COVID-19+ chest X-rays. The primary contribution of this study is the annotation of the abnormalities in over 1700 frontal chest X-rays. Further, we define protocols for semantic segmentation as well as classification for robust evaluation of algorithms. We provide benchmark results on the defined protocols using popular deep learning models such as DenseNet, ResNet, MobileNet, and VGG for classification, and UNet, SegNet, and Mask-RCNN for semantic segmentation. The classwise accuracy, sensitivity, and AUC-ROC scores are reported for the classification models, and the IoU and DICE scores are reported for the segmentation models.
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COVID-19 , Pneumonia , COVID-19/diagnóstico por imagem , Humanos , Pulmão/diagnóstico por imagem , Redes Neurais de Computação , Raios XRESUMO
The clinical manifestation of novel COVID-19 is variable. Pre-existing carcinoma and other comorbidities have been associated with increased COVID-19-related morbidity and mortality. Surgical intervention for advanced laryngeal carcinoma in old age during the COVID-19 pandemic may pose multiple challenges to the patient and the treatment team. We report a case of a 67-year-old elderly man who developed SARS-CoV-2 infection on the 21st day following total laryngectomy and neck dissection. The postoperative period was complicated by sequential development of pulmonary embolism, neck infection, pharyngeal leak and COVID-19 which were managed successfully. No close contacts were positive on the reverse transcription-PCR test for SARS-CoV-2. The patient is in follow-up for the past 7 months without any recurrence or COVID-19-related morbidity. The successful recovery and no cross-infection may be attributed to early diagnosis, immediate intervention and properly implemented institutional infection control policy.
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COVID-19 , Pandemias , Idoso , Humanos , Laringectomia , Masculino , Recidiva Local de Neoplasia , SARS-CoV-2RESUMO
OBJECTIVE: Evaluate a new autologous mushroom-shaped cortical bone partial ossicular replacement prosthesis (MPORP) for cost-effective and sustainable hearing results. STUDY DESIGN: Prospective study. SETTING: Tertiary care center. PATIENTS: Forty-two patients suffering from chronic otitis media with intact superstructure of the stapes and partially or completely eroded incus. INTERVENTIONS: Group-1 (nâ=â24) underwent only tympanoplasty with MPORP; group-2 (nâ=â18) underwent intact canal wall mastoidectomy (ICW) with MPORP. MAIN OUTCOME MEASURES: Hearing results were evaluated using a four frequency average (measured at 0.5, 1, 2, 3âkHz) pure tone air conduction (PTA), air-bone gap (ABG), and word recognition scores (WRS) after 3, 6, and 12 months and compared with preoperative results. RESULTS: Overall, successful rehabilitation of ABG to 20âdB or less was achieved in 92% of patients. Mean postoperative ABG was 15.35â±â4.18âdB showing mean improvement of 23.89â±â5.95âdB. In group-1, mean postoperative ABG was 18.47â±â3.65âdB, showing an improvement of 25.92â±â5.3âdB. In group-2, mean postoperative ABG was 18.47â±â3.65âdB showing an improvement of 20.14â±â4.96âdB. Hearing improvement in all the cases together and both the groups checked separately was statistically significant (paired t test, pâ<â0.001). Group 1 had, on average, 5âdB better hearing than group 2 (unpaired t test, pâ>â0.05). CONCLUSION: The MPORP is obtainable from the local site, easily constructed, bio-compatible, cost-effective, less bulky, adequately rigid for sound transmission, magnetic resonance imaging (MRI) compatible, and provides sustainable hearing gain because it has better chances of integration with the head of stapes.