Κυριακή 7 Νοεμβρίου 2021

Management of patients with unilateral microtia and aural atresia: recent advances and updates

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imagePurpose of review The management of patients with unilateral microtia and aural atresia is complex. Recent literature suggests significant strides in hearing habilitation and ear reconstruction. Recent findings Several options of hearing management are available and are associated with improved outcomes. Timelines for hearing habilitation and ear reconstruction vary by institution. We offer our timeline as a reference. Three dimensional (3D) printed models are increasingly used for training and reconstruction. Bioprinting is on the horizon, though safety and effectiveness studies are pending. Lastly, application of qualitative methods has provided a foundation on which to improve communication between physicians and patients and their families. Better understanding of the patient and family experiences will provide opportunities to target interventions to improve care. Summary Current developments include expanding options for hearing management, changing approaches to timing of atresiaplasty, utilization of 3D printed models, and focus on patient and family experience to improve reconstructive outcomes.
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Functional laryngectomy for the dysfunctional larynx: indications and outcomes in setting of prior chemoradiotherapy

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imagePurpose of review To review the recent literature on indications for and functional outcomes following laryngectomy for severe laryngeal dysfunction. Recent findings The use of functional laryngectomy as a definitive treatment for severe laryngeal dysfunction is increasing as more patients with head and neck cancer are treated with definitive chemoradiotherapy. Data are emerging on the efficacy of this technique as measured by aspiration, recurrent pneumonias, enteral tube feeding dependence, and surgical complication rates. Though most patients have marked improvement in aspiration and oral intake, difficulties in swallowing and voicing functions may persist. Summary Functional laryngectomy is an effective treatment for end-stage laryngeal dysfunction. There is a clear benefit with regard to prevention of aspiration and alleviation of nothing by mouth status. However, qualitative speech and swallowing outcomes are less well studied, though available data suggest that many patients still suffer some degree of continued chronic impairment. More research is needed on these outcomes in order to appropriately counsel patients regarding long-term functional outcomes.
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Vocal fold sulci – what are the current options for and outcomes of treatment?

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imagePurpose of review Sulcus vocalis is a benign condition of the vocal folds that, according to its severity, can affect the quality of the voice of those who have it. Voice symptoms can range from mild to severe, affecting the quality of life of patients with this condition. Although different surgical and no surgical options have been described, no gold standard treatment has been described. Recent findings New evidence supports congenital, inflammatory, and acquired theories for sulcus vocalis. Also, recent literature demonstrated the role of the epithelium in the pathogenesis, which makes the absence of superficial lamina propria no longer the only accepted hypothesis. Technological developments improved the in-office diagnostics capabilities for this condition, but vocal fold palpation remains the gold standard. Different benign laryngeal conditions are associated with sulcus vocalis and knowing when to treat those is very important. Different treatment options are available for sulcus vocalis, however, results are diverse and no strong recommendations for one over the other can be made. Summary Progress continues to be made in our understanding of sulcus vocalis from diagnosis to treatment. Novel and promising therapeutic strategies have been recently developed for this condition; however, more data and investigations are needed to improve their accuracy and reproducibility.
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Current approaches to reporting pharyngo-laryngeal secretions

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imagePurpose of review Accumulated secretions in the pharynx and larynx are associated with dysphagia, aspiration and pneumonia, as well as increased social, health and economic burden. This article reviews developments in the instrumental reporting of pharyngo-laryngeal secretions over the last 2 years. Recent findings Although the healthy pharynx and larynx is moist, accumulation of secretions is indicative of abnormality. Using standardized secretion scales allows early identification, quantification of risk in patients, and sensitive monitoring of patients over time. Nonstandardized and subjective secretion reporting is common in recently published research despite the validation of a number of publicly available tools. Research characterizing accumulated secretions has contributed to our understanding of pathophysiology associated with poor secretion management and may inform future treatment studies. Summary Routine and standardized reporting of secretions is critical for patient assessment and should be reported in the most standardized way possible. Further research investigating the clinical relevance and treatment of accumulated secretions relies on quantitative pharyngolaryngeal secretions reporting.
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The cepstral spectral index of dysphonia, the acoustic voice quality index and the acoustic breathiness index as novel multiparametric indices for acoustic assessment of voice quality

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imagePurpose of review The objective assessment of voice quality using acoustic measures is an important pillar of voice diagnostics. This article reviews three recent acoustic measures and their clinical use in phoniatrics and laryngology. Recent findings Two acoustic parameters, the cepstral spectral index of dysphonia (CSID) and the acoustic voice quality index (AVQI), have gained importance as validated multiparametric indices in the objective assessment of hoarseness because they include both continuous speech and sustained vowels. The acoustic breathiness index (ABI), another multiparametric index, assesses breathiness admixture during phonation and identifies it robustly, unaffected by other characteristics of dysphonia such as roughness. Summary Acoustic measurements are useful diagnostic tools when used correctly with an appropriate recording system, consideration of environment and use of software programs. CSID, AVQI and ABI objectively improve the detection of voice quality abnormalities. In addition to their proven validity, their application is simple and their usability for clinicians is high.
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How can we make better decisions about dystonic voice management?

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imagePurpose of review The optimal diagnosis and management of dystonic voice disorders are rooted in the nuanced understanding of their phenomenology. Distinguishing between subtypes of vocal dystonia is challenging, not only because the audible and physical presentations of these dystonia's can seem similar, but also because there is a lack of scientific consensus regarding the diagnostic criteria for these conditions. To help improve the clinician's acumen we focus on outlining the classification of the top three neurological voice disorders, notably: spasmodic dysphonia, (2) spasmodic dysphonia with tremor, and essential tremor of the voice. We also provide an algorithmic approach based on current evidence-based literature to guide practitioners through the clinical diagnosis and management of each possible etiology. Recent findings Much remains unknown about the subtypes of vocal dystonia, and this gap in our knowledge likely limits our ability to advance clinical management. Still, continued experience evaluating and treating these patients yields refined clinical evaluations and decision making. Summary Improvements in our clinical decision-making can be made by acknowledging that our limited understanding of vocal dystonia may hinder what therapeutic interventions we can offer, yet our ability to accurately diagnose the dystonia is central to providing optimal patient management.
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Pediatric otolaryngology in the coronavirus disease 2019 pandemic: what have we learned?

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imagePurpose of review Coronavirus disease 2019 (COVID-19) has changed the face of healthcare. The current review is to discuss the major aspects that have changed in pediatric otolaryngology, from surgical operations management, to clinic workflow, to procedural precautions. Recent findings There have been many studies over the past year describing different ways to improve the safety of healthcare delivery in pediatric otolaryngology amidst a global pandemic, as well as ways to improve clinic and surgical logistics along with guidelines for telehealth of a surgical specialty. Summary COVID-19 has forever altered how healthcare is viewed and practiced, and pediatric otolaryngology was not exempt. With an increased focus on provider safety, as well as novel ways of utilizing changes in methods of communication, the practice of pediatric otolaryngology has evolved with the rest of healthcare to take on the new challenges brought on by this global pandemic.
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Higher incidences of neuropathic pain and altered sensation following radial forearm free flap: A systematic review

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J Plast Reconstr Aesthet Surg. 2021 Oct 8:S1748-6815(21)00466-6. doi: 10.1016/j.bjps.2021.09.028. Online ahead of print.

ABSTRACT

BACKGROUND: The radial forearm free flap (RFFF) has been used extensively for complex tissue defect reconstructions; however, the potential for significant donor-site morbidity remains a major drawback. Despite an abundance of literature on donor-site morbidities, no consensus has been reached on exact incidences of sensory morbidities that vary largely between 0% and 46%. Incidences of neuropathic pain in the donor site following RFFF still lack, even though clinical experience shows it often occurs. Therefore, the purpose of this systematic review was to identify the incidence of neuropathic pain and altered sensation in the hand following harvesting of a RFFF.

METHODS: A systematic search was performed in multiple databases (Embase, Medline, Cochrane, Web of Science, and Google Scholar). Studies fro m 1990 onwards that reported donor-site morbidities following harvest of the RFFF were included. Analyzed parameters included hand pain, hypoesthesia, cold intolerance, hyperesthesia, neuroma formation, paresthesia, sharp sensation loss, light sensation loss, and defect closure.

RESULTS: Of the 987 selected studies, 51 eligible articles were selected. The mean level of evidence was 3 (SD 0.6). Twenty articles reported pain as a donor-site morbidity, and the mean incidence of pain reported was 23% (SD 7.8). Hypoesthesia was reported by 37 articles and had a mean incidence of 34% (SD 25). Locations of pain and hypoesthesia included, amongst others, the area of the radial sensory nerve and the skin graft area. The mean incidences of cold intolerance and hyperesthesia were 13% (SD 13) and 16% (SD 15), respectively.

CONCLUSION: The results of this systematic review suggest that 23% of all patients are dealing with neuropathic pain in the donor-site following harvest of an RFF F. Future studies should therefore focus on the prognostic factors and preventive measures of neuropathic pain to further improve clinical outcomes of this widely used flap.

PMID:34736849 | DOI:10.1016/j.bjps.2021.09.028

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Technique for the prevention of hernia after pedicled transverse rectus abdominis musculocutaneous flap for breast reconstruction

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J Plast Reconstr Aesthet Surg. 2021 Oct 23:S1748-6815(21)00480-0. doi: 10.1016/j.bjps.2021.09.041. Online ahead of print.

NO ABSTRACT

PMID:34736851 | DOI:10.1016/j.bjps.2021.09.041

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Patient-Reported Long-Term Outcomes After Free Vascularized Fibula Graft in Spinal Reconstruction: a 24-year Cohort

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J Plast Reconstr Aesthet Surg. 2021 Sep 20:S1748-6815(21)00425-3. doi: 10.1016/j.bjps.2021.08.036. Online ahead of print.

ABSTRACT

PURPOSE: The use of free vascularized fibula grafts (FVFG) in complex spinal deformity surgery intends to allow for life-long stability of the spine with good long-term clinical outcome. However, these long-term outcomes of this technique are still lacking. The objective of this study is to report the long-term postoperative outcomes and establish the long-term viability of this method for spinal reconstruction.

METHODS: A retrospective cohort study was conducted in all patients who underwent spinal reconstructive surgery utilizing a FVFG at a tertiary medical centre. Questionnaires taken from the participants were the Numeric Pain Rating Scale (NPRS), Oswestry Low Back Pain Disability (also known as Oswestry Disability Index (ODI)), Scoliosis Research Society 22r (SRS-22), the EQ-5D-5L and a self-ass embled questionnaire regarding donor site comorbidities and patient satisfaction.

RESULTS: Over a period of 24 years (1995-2019), we used FVFG for spinal reconstruction in 31 patients. A total of 25 patients were included in this study, 8 patients were deceased at the time of this study, and sixteen patients responded to the questionnaires. Patient satisfaction was rated 6.8 out of 10, the average SRS-22r score was 3.6, EQ-5D-5L score was 0.725, and the ODI score showed a minimal disability (0-20%) postoperatively. Overall complication-free survival was 8.9 years. Nine patients underwent a re-operation in the spinal area; five for the removal of the spinal instrumentation.

CONCLUSION: Patients reported satisfied and good long-term outcomes following FVFG surgical procedure for complex spinal deformities. Therefore, considering the alternatives, this procedure provides a good long-term solution for complex spinal deformity surgery.

PMID:34736853 | DOI:10.1016/j.bjps.2021.08.036

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LPS-induced inflammatory response and apoptosis are mediated by Fra-1 upregulation and binding to YKL-40 in A549 cells

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Exp Ther Med. 2021 Dec;22(6):1474. doi: 10.3892/etm.2021.10909. Epub 2021 Oct 22.

ABSTRACT

Acute respiratory distress syndrome (ARDS) is a multifactorial syndrome that leads to increased morbidity and mortality in infants and children. The identification of novel biomarkers is critical for the treatment of ARDS. The present study aimed to investigate the effects of chitinase-3-like-1 protein (CHI3L1 or YKL-40) in an in vitro model of ARDS and to explore the potential underlying mechanisms. The in vitro model of ARDS was established in A549 alveolar epithelial type II cells, which were treated by lipopolysaccharide (LPS) to induce inflammation. Transfection was performed to alter YKL-40 expression. The mRNA and protein expression of YKL-40 was determined using reverse transcription-quantitative PCR and western blotting, respectively. Cell Counting Kit-8 and TUNEL assays were used to evaluate the cell viability and apoptosi s, respectively. The production of cytokines was evaluated using specific ELISA kits. The relationship between YKL-40 and Fos-related antigen 1 (Fra-1) was verified using luciferase reporter and chromatin immunoprecipitation assays. The expression of the apoptotic proteins was detected using western blotting. The expression levels of YKL-40 and Fra-1 were increased in LPS-treated A549 cells. Higher levels of pro-inflammatory cytokines and induction of cell apoptosis were observed in LPS-treated A549 cells compared with the control. YKL-40 knockdown in LPS-treated A549 cells significantly decreased the production of pro-inflammatory cytokines and reduced cell apoptosis, whereas it concomitantly caused upregulation of Bax and downregulation of Bcl-2, cleaved caspase-3 and cleaved caspase-9. In addition, Fra-1 could directly bind to YKL-40 promoter and regulate its expression level. Overexpression of YKL-40 partly decreased the inhibitory effects of Fra-1 knockdown on the inflammatory response and induction of apoptosis. In summary, the findings from the present study indicated that Fra-1 could bind to YKL-40 and regulate its expression, whereas YKL-40 knockdown could further suppress LPS-induced inflammatory response and apoptosis in A549 cells. These data may provide novel evidence on the diagnosis and therapy of ARDS.

PMID:34737814 | PMC:PMC8561753 | DOI:10.3892/etm.2021.10909

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