Effects of Tranexamic Acid on Intraoperative Bleeding and Surgical Field Visualization During Middle Ear Surgery: A Narrative Review.

Tranexamic acid is an antifibrinolytic agent widely used in several surgical procedures to reduce intraoperative bleeding. Intraoperative bleeding is a crucial problem for the ear surgeon, as it prevents good visualization of the surgical field. The aim of this work was to analyze the relevant literature about the use of tranexamic acid in ear surgery. A literature search was conducted in agreement with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2020 statement, across 3 databases (Medline, Cochrane, and Google Scholar), with the terms "tranexamic acid," and "ear," and "surgery." Three prospective, randomized, and double-blind clinical trials met the inclusion criteria. Studies were not able to be pooled because of heterogeneity in material, methods of delivery and evaluation, and procedures used. Despite these limitations, all 3 papers found a significant reduction in intraoperative bleeding, allowing a better visualization of the operating field. Despite the scarcity of published trials, tranexamic acid is safe and seems to be useful in reducing intraoperative bleeding in ear surgery, thus improving operative field visualization.

Hearing Loss in the Unoperated Ear After High-Speed Drilling in Otologic and Skull Base Surgery.

OBJECTIVE: To evaluate if permanent hearing loss occurred in the unoperated ear of patients undergoing otologic and skull base surgery with high-speed otologic drilling. STUDY DESIGN: We retrospectively studied 250 patients (mean age 57.8 yr; 120 males, and 130 females) undergoing otologic or skull base surgery with high-speed drilling between 2013 and 2019. SETTING: The University of Pittsburgh Medical Center. PATIENTS: We evaluated preoperative and postoperative audiograms for patients undergoing surgery for cochlear implantation (95 patients, 38.0%), cholesteatoma or chronic ear disease (88 patients, 35.2%), repair of lateral skull base encephalocele (26 patients, 10.4%), resection of vestibular schwannoma or meningioma of the cerebellopontine angle (23 patients, 9.2%), lateral temporal bone resection (8 patients, 3.2%), microvascular decompression (7 patients, 2.8%), or other operations involving a high-speed otologic drill (3 patients, 1.2%). MAIN OUTCOME MEASURES: Hearing threshold shift, measured as the difference between postoperative threshold and preoperative threshold for each frequency. The association of age, gender, tested frequency, and surgery type with hearing threshold shift was investigated with analysis of covariance. RESULTS: A total of 102 patients (40.8%) had a 10-dB or greater worsening of their hearing in at least one frequency on their postoperative audiogram in the contralateral, unoperated ear. One hundred six subjects (42.4%) had no change in hearing of 10 dB or greater at any frequency. Among patients with longitudinal postoperative audiograms, accelerated age-related hearing loss was observed in low frequencies. CONCLUSIONS: A significant number of patients demonstrated poorer hearing thresholds in the contralateral, unoperated ear after otologic and skull base surgery.

Immediate Facial Nerve Palsy Secondary to Otological Surgery: A Systematic Review and Narrative Synthesis.

OBJECTIVES: Iatrogenic facial nerve palsy following otological surgery is a devastating complication that results in adverse aesthetic and functional outcomes. This study aims to review studies that have reported cases of immediate facial nerve palsy to learn why and where injuries occurred and to assess outcomes following management. DATABASES REVIEWED: MEDLINE, Embase, Cochrane CENTRAL, and Pubmed up to June 20, 2023. METHODS: Clinical studies of immediate facial nerve palsies following middle ear and cochlear implantation surgery were included. Risk of bias was examined using the Brazzelli risk of bias tool. Due to the inconsistency in reporting of outcomes, we were unable to perform a meta-analysis. RESULTS: Of 234 studies identified, 11 met the inclusion criteria. The most common causes of injury were excessive drilling, use of sharp hooks to remove disease, or disorientation of the surgeon secondary to bleeding or inflammation. Variable usage of preoperative computed tomography (CT) imaging and intraoperative facial nerve monitoring was reported. The tympanic segment was the most common site of injury. A variety of surgical techniques were employed to approach the facial nerve injury including facial nerve decompression, direct closure, and repair using an autologous nerve graft. CONCLUSIONS: Otological surgeons should consider utilizing preoperative CT imaging to establish a three-dimensional mental image of key landmarks and anatomical variations before embarking on surgery. Intraoperative FN monitoring enables safe practice. Despite these measures, complex disease processes and hostile intraoperative conditions can present difficulty. Multiple treatment options are available to treat the underlying injury.

The Impact of Piezoelectric Device in Cholesteatoma Endoscopic Surgery: Retrospective Evaluation of Safety and Functional Results.

OBJECTIVE: Atticotomy represents an essential surgical step within the management of attical cholesteatoma during endoscopic ear surgery. The aim of the present study was to evaluate the safety and functional results of an endoscopic atticotomy performed with piezosurgery, in terms of audiological outcomes and tissue's healing. METHODS: This is an observational retrospective study on patients with attical cholesteatoma who underwent endoscopic ear surgery with piezoelectric atticotomy and subsequent scutum reconstruction either with tragal cartilage or temporalis muscle fascia. Scutumplasty's status was evaluated via scheduled outpatient controls through an endoscopic check and classified as stable or unstable at least 10 months after surgery. A pre- and postoperative audiometric examination was performed in each patient. RESULTS: Eighty-four patients were enrolled. In 50 out of 84 patients (59.52%), an exclusive endoscopic procedure was performed, whereas in 34 patients (40.48%) a combined microscopic/endoscopicapproach was adopted. In 72 cases (85.71%), scutum's reconstruction appeared to be normally positioned, whereas 12 patients developed a retraction pocket, which was self-cleaning in 8 of them and non-self-cleaning in the remaining 4. In 17 patients, a slight sensorineural hearing loss (between 5 and 15 dBHL) was observed, and in 2 patients, the loss was greater than 15 dBHL. Overall, no significative differences between pre- and postoperative pure-tone average bone thresholds resulted (p = 0.4983), though a mild significant hearing deterioration was detected by the specific analysis at 4000 Hz (p = 0.0291). CONCLUSION: Piezosurgery represents an extremely useful tool in performing atticotomy during endoscopic tympanoplasties. Our data seem to support the safety of its usage in this specific step, as it did not lead to any significant sensorineural damage on overall pure-tone average. Moreover, satisfactory tissue healing in regard to scutum reconstruction was observed.

[Features of otosurgery in children after blast injuries]. / Osobennosti rekonstruktivnoi otokhirurgii u detei posle minno-vzryvnykh ranenii.

An explosion is a process that rapidly releases a huge amount of energy in the form of heat, kinetic energy, and high-pressure shock waves. Since the organ of hearing is most susceptible to pressure changes, damage to the sound-conducting or sound-receiving systems is inevitable in case of an explosive injury. This article examines the mechanism of formation of explosive injuries of the middle and inner ear in children and adolescents, the features of diagnosis and tactics of surgical reconstructive treatment of explosive ear injuries based on the data available in the scientific literature and their own experience.

Success and safety of endoscopic versus microscopic resection of temporal bone paraganglioma: a meta-analysis.

PURPOSE: Temporal bone paraganglioma (TBP) are the most common tumors of the middle ear. They pose a challenge in otologic surgery due to their extensive vascularity and intricate location within the middle ear. This meta-analysis aimed to compare the safety and efficacy of two surgical approaches, microscopic middle ear surgery (MMES) and endoscopic middle ear surgery (EMES), in the resection of TBP. METHODS: Eligible studies published after 1988 were identified through systematic searches of "PubMed", "Scopus" and "Google Scholar". Retrospective studies and randomized/non-randomized control trials reporting on surgical approaches for TBP with a minimum of five adult patients were included. RESULTS: A total of 595 records were initially identified. After removing 229 duplicates, 349 articles were excluded based upon article subject, title and abstract. Following the review of full texts, 13 articles were assessed for eligibility. The pooled analysis included a total of 529 ears, with a complication rate of 7.8% for EMES and 14.2% for MMES. Subgroup differences indicated no significant variation between the two methods (p = 0.2945). CONCLUSION: Both EMES and MMES demonstrated favorable surgical outcomes with low complication rates for TBP resection. These findings suggest that EMES is a safe and effective method for TBP resection and one that is comparable to MMES. Since the risk of bleeding is significant in these tumors, a third-hand technique, endoscopic bipolar cautery or laser-assisted hemostasis should be considered. Conversion to MMES is another option when visibility is critically affected by bleeding.

Patient Sex Mediates the Influence of Patient Age on Superior Canal Dehiscence Repair Outcome.

OBJECTIVE: To investigate the independent and interactive effects of patient age and sex on superior canal dehiscence (SCD) repair outcomes. METHODS: This was a cohort study of consecutive SCD repairs via the middle fossa approach at an institution between 2011 and 2022. We constructed multivariable regression models assessing surgical outcomes with age and sex as the primary predictors. Models controlled for surgery duration, follow-up duration, and relevant surgical and medical history. Subsequently, we repeated each model with the incorporation of an interaction term between patient age and sex. RESULTS: Among 402 repairs, average age was 50 years, and 63% of cases were females. There was a significant interaction between patient age and sex with respect to symptom resolution score (SRS) (adj. ß 0.80, 95% C.I. 0.04-1.56). Older age was associated with lower SRS among females (-0.84, -1.29 to -0.39 point per year) but not significantly associated with SRS among males (0.04, -0.65 to 0.56 point per year). Furthermore, older age independently predicted a greater magnitude of increase in air conduction at 8000 Hz following surgery regardless of sex (adj. ß 2.1, 0.2-4.0 dB per 10-year increase). CONCLUSIONS: This is the first study on the interactive effect between patient age and sex with respect to SCD repair outcomes. Older age predicted poorer symptomatic response among female patients but did not predict symptomatic response among male patients. Furthermore, older age predicted more severe high-frequency hearing loss following SCD repairs among both female and male patients. LEVEL OF EVIDENCE: 3 Laryngoscope, 134:3363-3370, 2024.

Impact of Ergonomics on Muscle Fatigue During Surgical Drilling Using Surface Electromyography.

OBJECTIVE: To investigate the relationship between ergonomic positions and electromyographic muscle activity during otologic drilling. STUDY DESIGN: Cross-over experimental trial. SETTING: Tertiary Academic Medical Center. METHODS: Surgeon participants were tasked with delicate eggshell drilling in 3 different seated positions: "neutral," "slouched," and "craned." Surface electromyography (sEMG) sensors recorded the amplitude and frequency of muscle activity. The joint analysis of spectrum and amplitude (JASA) method, which combines temporal trends in frequency and amplitude, was used to identify trials that exhibited patterns of fatigue. RESULTS: The sEMG amplitude and frequency responses demonstrated wide temporal changes. In a majority of experiments, amplitude increased over the course of the experiment, while frequency remained more stable. On analysis of variance testing, only the mean frequency of the deltoid differed significantly between postures (P = .02). Under the JASA framework, external carpi radialis and upper trapezius experienced fatigue in nearly half of the trials regardless of position (47% vs 49%). The upper trapezius demonstrated fatigue during 46% and 69% of the "craned" and "slouched" trials, respectively, compared to just 31% of the "neutral" trials. Fewer attendings demonstrated upper trapezius fatigue compared to trainees (33% vs 62%). Female surgeons experienced fatigue in more trials than male counterparts (73% vs 25%). CONCLUSION: This study highlights a first step in quantifying the relationship between operating postures and muscle fatigue. Results suggest that specific muscle groups are more susceptible to fatigue; gender and experience may also impact muscle activity.

Otologic use of porcine small intestinal submucosal graft (biodesign): A MAUDE database review.

OBJECTIVE: To review and summarize reported adverse events related to the use of porcine small intestine submucosal grafts (Biodesign™) in otologic procedures. STUDY DESIGN: Retrospective cross-sectional analysis. SETTING: Food and Drug Administration's Manufacturer and User Facility Device Experience (MAUDE) database. MATERIAL AND METHODS: The MAUDE database was queried for all medical device reports (MDR) related to otologic use of Biodesign™ (Cook Medical, Bloomington, IN) from January 2016 to November 2022. Adverse events (AEs) were identified by reviewing all reports with the basic search term "Biodesign" and "Biodesign, Otologic". Reports were individually reviewed and categorized with special attention to AEs. RESULTS: A total of 500 reports were reviewed. Since FDA approval of Biodesign™ in 2016, there have been 5 adverse events reported for use of Biodesign™ during otologic surgery (tympanoplasty, n = 3; stapes surgery, n = 2). All reported events described patient injury, and all cases required at least one revision surgery. Four cases described significant foreign body inflammatory reactions. Complications included hearing loss (n = 3), severe otalgia (n = 2), persistent perforation (n = 2), vertigo (n = 2), and facial paralysis (n = 1). CONCLUSION: The use of porcine small intestinal submucosal graft has been thought to be a safe and effective option for otologic surgery, with the advantage of availability without graft harvest in minimally invasive endoscopic surgery. However, foreign body or granulomatous reactions have been documented and should be considered prior to its use in otologic surgery.

Funnel Shaped Anterior Communicating Artery Fenestration Mistaken for an Aneurysm: A Cautionary Tale.

This report portrays a case of a funnel shaped anterior communicating artery (ACoA) fenestration which was mistaken as a small A1 aneurysm in a subarachnoid hemorrhage case. Although tridimensional rotational digital subtraction angiography improves aneurysm diagnosis specially at the ACoA complex, current spatial resolution might leave behind a considerable percentage of ACoA fenestrations. This may lead to diagnostic errors and unnecessary treatments risking iatrogenic complications. Luckily for our patient, a concomitant aneurysm warranted clipping and subsequent surgical exploration of the ACoA complex revealed the pitfall, thus preventing further action. Interestingly, another group of authors who reported similar misdiagnosis with ACoA aneurysms were able to prevent a third error, thanks to the experience acquired with 2 prior cases. Therefore, this clinical image aims to raise wider awareness of the need for very cautious consideration of imaging depicting small and/or atypical aneurysms in the ACoA complex.

Ergonomic Analysis of Otologic Surgery: Comparison of Endoscope and Microscope.

OBJECTIVE: The comparative postural health of surgeons performing endoscopic and microscopic otologic surgeries has been a topic of active debate, with many nascent or anecdotal reports suggesting the latter encourages suboptimal ergonomics. Using inertial body sensors to measure joint angles, this study sought to objectively evaluate and compare the ergonomics of surgeons during endoscopic and microscopic otologic surgeries. STUDY DESIGN: Prospective pilot trial. SETTING: Large, multicenter, academic hospital system. Performed 21 otologic operations (10 endoscopic and 11 microscopic) in November 2020 and January 2021. All attendings were fellowship trained in otology/neurotology. SUBJECTS: Eight otolaryngologists (four attendings and four residents) performing 21 otologic surgeries (11 microscopic and 10 endoscopic). INTERVENTION: Approach to otologic surgery: endoscope or microscope. MAIN OUTCOME MEASURES: Surgeons' neck and back angles while wearing ergonomic sensors affixed to either side of each major joint, mental and physical burdens and pain after each surgery (via modified NASA Task Load Index). RESULTS: Residents' necks (9.54° microscopic vs. -4.79° endoscopic, p = 0.04) and backs (16.48° microscopic vs. 3.66° endoscopic, p = 0.01) were significantly more flexed when performing microscopic surgery than when performing endoscopic surgery, although attending neck and back flexion were comparable during microscopic and endoscopic surgeries. Attendings reported significantly higher pain levels after operating microscopically than after operating endoscopically (0.13 vs. 2.76, p = 0.01). CONCLUSIONS: Residents were found to operate with significantly higher risk back and neck postures (as defined by the validated ergonomic tool, Rapid Entire Body Assessment) when operating microscopically. Attendings reported significantly higher levels of pain after operating microscopically versus endoscopically, suggesting that the suboptimal microscopic postures adopted earlier in training may pose an indelible risk later in a surgeon's career.

Subjective and Objective Taste Change After Stapes Surgery Systematic Review and Meta-Analysis.

INTRODUCTION: Iatrogenic injury to the chorda tympani (CT) is a well recognized, although potentially underestimated, consequence of stapes surgery. This study aims to review the currently available literature to determine the incidence and prognosis of taste disturbances in these patients. DATA SOURCES: PubMed, Embase, and Cochrane Library databases. METHODS: Databases were searched according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. Search terms included (chorda tympani OR gustatory OR taste OR chemosensory OR dysgeusia OR nervus intermedius) AND (ear surgery OR middle ear OR stapes OR stapedectomy OR stapedotomy). Patients with prospective data collection including preoperative data were further divided by methodology into "objective" and "subjective" assessments of taste dysfunction. A systematic review was performed for all included studies, with meta-analysis using a random-effects model was used for those with comparable methodology and patient populations. RESULTS: Initial search yielded 2,959 articles that were screened according to inclusion and exclusion criteria. Once duplicates were removed, seven studies were identified, representing 173 patients with subjective testing (all seven studies) and 146 with objective testing (five studies). Eighty of 173 patients (46.2%) noted a disturbance in taste at early follow-up, whereas as 26 of 173 (15.0%) noted long-term problems. Objective methodology and result reporting were heterogenous and not amenable to pooled meta-analysis for all studies included. CONCLUSION: Changes in taste occur relatively frequently after stapedectomy. Surgeons should continue to counsel prospective patients as to the risks of both short- and long-term taste disturbances.

Evaluating Risk of Noise-Induced Hearing Loss in Otologic Surgery.

OBJECTIVES: To evaluate risk for noise-induced hearing damage from otologic surgery-related noise exposure, given recent research indicating that noise levels previously believed to be safe and without long-term consequence may result in cochlear synaptopathy with subsequent degeneration of spiral ganglion neurons, degradation of neural transmission in response to suprathreshold acoustic stimuli, and difficulty understanding in background noise. METHODS: A prospective observational study of surgeon noise exposure during otologic and neurotologic procedures was performed in a tertiary care center. Surgeon noise exposure was recorded in A- and C-weighted decibel scales (dBA, dBC), including average equivalent (LAeq) and peak (LApeak, LCpeak) levels and noise dose. RESULTS: Sound measurements taken at the ear with continuous recording equipment during cadaveric otologic surgery demonstrated LAeq 80-83 dBA, LApeaks of 105 dBA, LCpeaks of 127 dBC, with noise doses of 0.9% to 6.7%. Sound level measurements during live surgery translabyrinthine approaches yielded lower LAeq of 72 to 74 dBA and lower noise doses compared with temporal bone lab measurements. Raw sound recordings during live surgery demonstrated narrow band, high frequency, high amplitude spikes between 4 and 12 kHz. CONCLUSION: Noise exposure to surgeons, staff, and patients in the operating room is acceptable per NIOSH recommendations. Temporal bone lab noise exposures are greater, possibly due to poorly maintained drill systems and lack of noise shielding from microscope bulk, yet are also within NIOSH recommended levels.

Early postoperative gustatory dysfunction after middle ear surgery / Korai posztoperatív ízérzészavar középfülsebészeti beavatkozásokat követoen

Introduction: Preserving maximal quality of life is an important factor in middle ear surgery according to current standards. Taste disturbance is a common postoperative complication, which can be explained with the risk of injury due to the localisation of chorda tympani. The knowledge about this complication is mandatory for optimal surgical decision-making and for patient education as well. Objective: Investigation of early postoperative taste disturbances, to clarify the differences between the impact of different surgical interventions, and the impact of nerve manipulation. Methods: 15 stapes surgeries and 28 tympanoplasties were investigated. Patients answered subjective questionnaires before surgery and on the first postoperative day. Visual analogue scale (VAS) was used to measure the degree of disturbances (0-10). Degree of nerve manipulation was classified into 5 groups. Results: No significant differences between the impact of stapes surgeries and tympanoplasties could be found (9, 9.1; p = 0.861). In groups '0', '1' and '2', the VAS scores were 10, 9.26, and 8.5. Between the groups no manipulation (0) and significant manipulation without macroscopic injury (2), the difference was significant (10, 8.5; p = 0.039). In the stapes surgery group, no severe taste disturbance (VAS<5) was found. Discussion: In the case of adequate microscopic surgical technique, the rate of postoperative taste disturbances is relatively low. Conclusions: The rate of postoperative taste disturbance could be kept at a low level while the continuity of the chorda tympani could be preserved in the majority of cases. The postoperative morbidity rate is primarily influenced by the degree of nerve manipulation and not by the type of surgery.

Use of bone pate and bioactive glass granules for mastoid obliteration in cholesteatoma surgery / Mastoidobliterációhoz használt csontpor és bioaktív üveggranulátum a cholesteatoma sebészetében

Introduction and objective: Mastoid obliteration technique combines the advantages of canal wall-up (CWU) and canal wall-down (CWD) approaches in the surgery of chronic suppurative otitis media with cholesteatoma. We aim to demonstrate our experience with mastoid obliteration technique using bone dust and BonAlive® (S53P4) bioactive glass granule in a comparative prospective clinical study. Patients and methods: Between 1st of March 2012 and 31st of November 2021, mastoid obliteration surgery was performed in 14 patients using bone dust (7 cases) and BonAlive® granule (7 cases). Prior to these interventions, the patients had undergone more than three ear surgeries (CWU and CWD) generally in both groups. Changes of complaints, audiological results, and changes in quality of life were analysed in both groups, postoperatively. Results: Having performed the mastoid obliteration technique, cochlear damage did not occur in either patient group. Long-term ear discharge and vertigo were occasionally observed after performing obliteration with bone dust. However, these complaints disappeared after a while. Complications were not reported in the case of obliteration with BonAlive®. Outstanding improvement was experienced in both groups. Conclusion: In our practice, mastoid obliteration surgery, using either bone dust or BonAlive® granule, has proved to

Performance-optimized otoplasty.

OBJECTIVES: This study proposes a new surgical alternative for the most common deformity in the ears, the so-called "protruding/prominent ears", which is a condition that affects 5% of the Caucasian population (Goulart et al. in Rev Bras Cir Plast 26:602-607, 2011). This technique comes with the benefits of reduced surgical time, shallow learning curve, and a low revision rate. METHODS: We studied a total of 213 patients with an indication for otoplasty from January 2020 to January 2021. Women made up 65% of the study population, while men made up 35%, with an average age of 21 years, the youngest being 7 years of age. The technique presented here corrects all the deformities that cause protruding ears and can be performed together with other ear surgeries, such as surgical treatment of macrotia and lobuloplasty. All surgeries were performed in an outpatient setting under local anesthesia and sedation. RESULTS: All surgeries followed a performance-optimized protocol, with an average total surgical time of 45 min for a bilateral approach. Revision surgery was needed in 2% of cases, with the most frequent complaint being asymmetry in the upper third of the ears. The complication rate was approximately 7.5%, with 1 case of hematoma, 1 case of mild infection, 2 cases of altered ear sensitivity, 3 cases of keloid scar formation, 6 cases of asymmetry in the upper third of the ears, and 3 cases of irregularities or spikes in the antihelix cartilage. Patient satisfaction was measured using the McDowell/Wright Objectives and Outcome Index (McDowell in Plast Reconstr Surg 41:17-27). CONCLUSION: The proposed performance technique is a viable alternative to optimize the surgical time of otoplasty in an outpatient setting. This technique can be performed together with other corrective ear surgeries, has a shallow learning curve, and has a low revision rate. LEVEL IV: Evidence obtained from multiple time series with or without the intervention, such as case studies.

Establishment of a risk index for early complications after trans-canal endoscopic ear surgery.

PURPOSE: This study aimed to determine the risk factors associated with early postoperative complications of trans-canal endoscopic ear surgery (TEES), then to develop a risk index. MATERIALS AND METHODS: This single-institution retrospective study reviewed TEESs from January 1, 2017, to December 31, 2019 in a tertiary hospital. In the derivation cohort, univariable and multivariable logistic regression were performed to identify factors significantly associated with early postoperative complications of TEES. Then these parameters were integrated into a trans-canal endoscopic ear surgery risk index (TEESRI). The performance of TEESRI was compared with that of the American Society of Anesthesiologists (ASA) classification using the validation cohort. RESULTS: 932 TEESs were enrolled in total and 151 (16.2%) developed early postoperative complications. In the derivation set, 8 factors including state of the opposite ear and presence of nasal or pharyngeal diseases were found to be independently associated with the occurrence of early postoperative complications on multivariable regression analysis [area under the curve (AUC), 0.806; 95% confidence interval (CI), 0.765-0.848]. Using the validation cohort, the AUC of the TEESRI was 0.776 [95%CI, 0.711-0.842], with a sensitivity of 82.2% and specificity of 65.5%, while the AUC of the ASA classification was 0.512 (95%CI, 0.421-0.603). The TEESRI outperformed the ASA classification when evaluating the risk for early postoperative complications of TEES. CONCLUSIONS: Based on the 8 risk factors, the TEESRI was established with satisfactory predicting capacity. Surgeons should pay extra attention to the risk factors in the TEESRI, when treating patients.

Sacrifice of the chorda tympani nerve during middle-ear surgery can lead to resolution of dysgeusia.

BACKGROUND: Cholesteatoma often presents with persistent otorrhoea, conductive hearing loss or vestibular dysfunction. Rarely, cholesteatoma can cause dysgeusia if the lesion invades into the chorda tympani nerve. This paper presents an individual with cholesteatoma whose dysgeusia resolved following a mastoidectomy in which the chorda tympani was sacrificed. The current literature was reviewed for explanations behind this phenomenon. CASE REPORT: A previously fit 57-year-old man presented with a 3-month history of persistent otorrhoea and the complaint of a metallic taste in the mouth, and was diagnosed with cholesteatoma. The patient underwent radical mastoidectomy and the chorda tympani nerve was sacrificed. On post-operative review, he reported complete resolution of dysgeusia. CONCLUSION: The sense of taste is mediated by a complex neural network. It is possible that once the diseased chorda tympani is transected, compensation arises from other parts of the network. Sectioning of the chorda tympani could lead to a beneficial outcome in selected patients.

Postoperative pain after transcanal endoscopic ear surgery: A systematic literature review.

OBJECTIVE: Transcanal endoscopic ear surgery is hypothesized to result in less postoperative pain when compared to nonendoscopic techniques due to its minimally invasive nature. In this systematic literature review, we aim to summarize and evaluate the evidence surrounding postoperative pain control and analgesic utilization after transcanal endoscopic ear surgery. DATABASES REVIEWED: PubMed, EMBASE, and Cochrane. METHODS: A systematic literature search was performed using standardized methodology. Computerized and manual searches were performed to identify studies that evaluated postoperative pain outcomes following endoscopic ear surgery. Only studies that met predetermined criteria were selected and evaluated for quality and bias. Extracted data included demographics, pain scores, analgesic administered as well as the diagnosis and type of surgery undertaken. Exclusion criteria included letters/commentaries and reviews, lack of pain outcome data and studies not concerning endoscopic ear surgery. RESULTS: The systematic literature review included 24 studies. Seven were RCTs, 10 were prospective and 7 were retrospective observational studies. A total of 1859 patients were evaluated for surgical approach and postoperative pain levels and analgesic use. Due to the lack of sufficient reporting of the data, a meta-analysis was not applicable. In the qualitative synthesis for the primary outcome, weighted pooled analysis showed that there was a slight reduction in postoperative pain after transcanal endoscopic ear surgery. Based on the Cochrane risk of bias tool, the quality for the finding is low. CONCLUSION: There is a small reduction in postoperative pain after transcanal endoscopic ear surgery when compared to nonendoscopic approaches, however, the clinical significance of this reduction is unclear. The evidence was from studies of only low to moderate quality.

Auricular haematoma an avoidable cosmetic deformity: A chance or negligence.

PURPOSE: This study highlights the importance of immediate intervention needed in cases of auricular trauma cases so as to prevents complications leading to cauliflower ear, loss of cartilage, necrosis. MATERIALS & METHODS: Total 10 cases of primary haematoma & recurrent cases were included in the study. A detailed history was entered in proforma. Procedure was done under local anaesthesia with all aseptic precautions. A cruciate incision was given over the most dependent part of the swelling and flaps were raised. The collection was drained and the under surface of the flap was scraped using Rosen''s knife followed by insertion of small drain tube and pressure dressing was done. Patients were followed up for three months. RESULTS: Out of the 10 cases 6 were primary cases and 4 were recurrent cases out of which males were 80% and females 20%. None of them showed recurrence. Overall cosmetic deformity was negligible with most of the patients. 1 patient developed perichondrial reaction with pain and inflammation which required long course of analgesics and antibiotics. In 3 cases a thickening of the auricle at the site of incision was noticed. CONCLUSION: Auricular haematoma most commonly is seen in male players of contact sports. These patients may land up in emergency department. Thus, by developing collaborative relationships with ENT specialists, emergency department can help ensure that patients experience possible treatment. This will help reduce the cosmetic deformities of pinna which are seen as complication of auricular haematoma.