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Τρίτη 11 Ιανουαρίου 2022

Exercise-based dysphagia rehabilitation for adults with oesophageal cancer: a systematic review

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BMC Cancer. 2022 Jan 10;22(1):53. doi: 10.1186/s12885-021-09155-y.

ABSTRACT

BACKGROUND: Dysphagia is prevalent in oesophageal cancer with significant clinical and psychosocial complications. The purpose of this study was i) to examine the impact of exercise-based dysphagia rehabilitation on clinical and quality of life outcomes in this population and ii) to identify key rehabilitation components that may inform future research in this area.

METHODS: Randomised control trials (RCT), non-RCTs, cohort studies and case series were included. 10 databases (CINAHL Complete, MEDLINE, EMBASE, Web of Science, CENTRAL, and ProQuest Dissertations and Theses, OpenGrey, PROSPERO, RIAN and SpeechBITE), 3 clinical trial registries, and relevant conference abstracts were searched in November 2020. Two independent authors assessed articles for eligibility before completing data extraction, quality assessment using ROBINS-I and Downs and Black Checklist, followed by descriptive data analysis. The primary outcomes included oral intake, respiratory status and quality of life. All comparable outcomes were combined and discussed throughout the manuscript as primary and secondary outcomes.

RESULTS: Three single centre non-randomised control studies involving 311 participants were included. A meta-analysis could not be completed due to study heterogeneity. SLT-led post-operative dysphagia intervention led to significantly earlier start to oral intake and reduced length of post-operative hospital stay. No studies found a reduction in aspiration pneumonia rates, and no studies included patient reported or quality of life outcomes. Of the reported secondary outcomes, swallow prehabilitation resulted in significantly improved swallow efficiency following oesophageal surgery compared to the control group, and rehabilitation following surgery resulted in significantly reduced vallecular and pyriform sinus residue. The three studies were found to have 'serious' to 'critical' risk of bias.

CONCLUSIONS: This systematic review highlights a low-volume of low-quality evidence to support exercise-based dysphagia rehabilitation in adults undergoing surgery for oesophageal cancer. As dysphagia is a common symptom impacting quality of life throughout survivorship, findings will guide future research to determine if swallowing rehabilitation should be included in enhanced recovery after surgery (ERAS) programmes. This review is limited by the inclusion of non- randomised control trials and the reliance on Japanese interpretation which may have resulted in bias. The reviewed studies were all of weak design with limited data reported.

PMID:35012495 | DOI:10.1186/s12885-021-09155-y

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Frequency-specific prediction model of hearing outcomes in patients with idiopathic sudden sensorineural hearing loss

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Eur Arch Otorhinolaryngol. 2022 Jan 11. doi: 10.1007/s00405-021-07246-x. Online ahead of print.

ABSTRACT

PURPOSE: The hearing outcome of idiopathic sudden sensorineural hearing loss (ISSNHL) is hard to predict. We herein constructed a multiple regression model for hearing outcomes in each frequency separately in an attempt to achieve practical prediction in ISSNHL.

METHODS: We enrolled 235 consecutive in-patients with ISSNHL who were treated in our department from 2015 to 2020 (average hearing level at 250-4000 Hz ≥ 40 dB; time from onset to treatment ≤ 14 days; 126 males/109 females; age range 17-87 years (average 61.0 years)). All patients received systemic prednisolone administration combined with intratympanic dexamethasone injection. The pure-tone hearing threshold of 125-8000 Hz was measured at every octave before (HLpre) and after (HLpost) treatment. A multiple regression model was constructed for HLpost (dependent variable) using five explanatory variables (age, days from onset to treatment, presence of vertigo, HLpre, and hearing level of the contralateral ear).

RESULTS: The multiple correlation coefficient increased as the frequency increased. Strong correlations were seen in high frequencies, with multiple correlation coefficients of 0.784/0.830 for 4000/8000 Hz. The width of the 70% prediction interval was narrower for 4000/8000 Hz (± 18.2/16.3 dB) than for low to mid-frequencies. Among the five explanatory variables, HLpre showed the largest partial correlation coefficient for any frequency. The partial correlation coefficient for HLpre increased as the frequency increased, which may partially explain the high multiple correlation coefficients for high frequencies.

CONCLUSION: The present model would be of practical use for predicting hearing outcomes in high frequencies in patients with ISSNHL.

PMID:35015092 | DOI:10.1007/s00405-021-07246-x

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Prevention and treatment of CSF leaks in congenital complex spinal lipomas

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Acta Neurochir (Wien). 2022 Jan 11. doi: 10.1007/s00701-021-05095-5. Online ahead of print.

ABSTRACT

BACKGROUND: Congenital complex spinal lipomas (CSL) are challenging lesions to treat. Cerebrospinal fluid (CSF) leaks are feared complications due to the risk of infection, and subsequent scarring that may promote retethering. Much has been written in the literature on the surgical technique of CSL resection with less emphasis placed on the prevention and management of CSF leak.

METHOD: The authors describe the nuances in the prevention and management of CSF leaks in the context of CSL, including the operative approach, resection, closure and recommended postoperative care.

CONCLUSION: CSF leaks are complications that can be minimized with deliberate steps and meticulous surgical technique.

PMID:35015155 | DOI:10.1007/s00701-021-05095-5

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Δευτέρα 10 Ιανουαρίου 2022

Reconstruction of Subtotal Defect of the Lower Lip: Combined Use of Karapandzic and Nasolabial Flap

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Abstract

Subtotal reconstruction of the lower lip after excision of the tumor is always a challenge for surgeons. It is because of the difficulty in  regaining the function of the lip, including the oral competency and restoring the aesthetic subunit. A 46-year-old patient presented with an ulceroproliferative growth involving 70% of the lower lip, including the right commissure. After the confirmation to be a malignancy, patient underwent excision of the tumour and reconstruction of the lower lip using the left Karapandzic flap and right nasolabial flap. The patient was on regular follow-up in the postoperative period to assess the surgical outcomes. The combined use of Karapandzic flap and the nasolabial flap can be reliably used for subtotal reconstruction of the lower lip in advanced oral cavity malignancy, involving one of the commissures. Later can ensure good postoperative results in terms of aesthetic and functional lip reconstruction without any significant intraoperative or postoperative complications.

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Epidemiology, Clinical Features and Management of Rhino Orbital Mucormycosis in Post COVID 19 Patients

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Abstract

COVID 19 infections may be associated with a wide range of bacterial and fungal co-infections. Mucormycosis is a fungal infection primarily affecting immunocompromised individuals. We have observed sudden rise of mucormycosis cases in post COVID 19 patients. Here we have reported 100 cases of mucormycosis associated with COVID 19. To study epidemiology and clinical features of rhino orbital mucormycosis in post COVID 19 patients. To evaluate efficacy of medical as well as surgical treatment in such patients. This was an observational mixed (retrospective + prospective) study with a duration of 2 months. After noting demographic data, necessary radiological investigation was advised and representative tissue was sent for KOH and histopathological examination. Medical and surgical treatment was planned accordingly. Most patients (55%) presented with complaint of headache and facial pain. Hard palate involvement was observed in 45% patients. Unilateral pr esentation (68%) was more common. Only 25% patients who presented early had normal vision. We reported 22 patients with complete loss of vision. Eye movements were restricted in 58% patients. Diabetes mellitus is most common predisposing factor (65%). 9 patients required orbital exentration. Only 18% patients required Amphotericin for more than 14 days. Immune dysregulation caused by COVID 19 infection in addition to widespread use of steroids and broad-spectrum antibiotics may lead to the development mucormycosis. Diabetes Mellitus type II is another important risk factor and the presence of both have additional effect in causing mucormycosis. Headache and facial pain should be considered highly suspicious of mucormycosis. Early diagnosis with efficient treatment can improve prognosis.

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Brain Herniation Secondary to Cerebrospinal Fluid Leak Following Elective Lumbar Spine Surgery

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Cureus. 2021 Dec 8;13(12):e20266. doi: 10.7759/cureus.20266. eCollection 2021 Dec.

ABSTRACT

Lumbar spine surgery can be complicated by perioperative cerebrospinal fluid (CSF) leak. However, development of brain herniation secondary to CSF leak following lumbar spine surgery has not been previously reported in the current literature. This case report describes a 48-year-old woman who, after a revision lumbar decompression and fusion, experienced CSF leak followed by development of brain herniation, which resulted in patient demise. The postoperative period was complicated by patient nonadherence to conservative management of CSF leak.

PMID:35004068 | PMC:PMC8735843 | DOI:10.7759/cureus.20266

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Κυριακή 9 Ιανουαρίου 2022

Metal Allergy in Tracheostomy Tube Placement Resulting in Complete Subglottic Stenosis: A Case Report

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Ann Otol Rhinol Laryngol. 2022 Jan 6:34894211070135. doi: 10.1177/00034894211070135. Online ahead of print.

ABSTRACT

OBJECTIVES: Metal hypersensitivity reaction to surgical implants is a well- known phenomenon that is associated with pain, swelling, inflammation, and decreased efficacy of the implant. We present a unique case of a patient with placement a metal Jackson tracheostomy tube that led to expeditious total subglottic stenosis.

METHODS: The patient was a 33-ye ar old, severely atopic woman with history of asthma exacerbations requiring several intubations for acute respiratory failure with several subsequent tracheal dilations with steroid injections, and eventual tracheostomy placement with a metal Jackson tracheostomy tube that led to expeditious total subglottic stenosis.

RESULTS: Initial intervention included performing an airway evaluation, CO2 laser, and steroid injection of the area of complete subglottic stenosis. Follow up several months later revealed little improvement in level of tracheal narrowing proximal to the tracheostomy tube. Patient did not have shortness of breath but continued to be aphonic. Cricotracheal versus tracheal resection have been proposed but surgical morbidity was deemed too high due to patient's obesity.

CONCLUSIONS: Metal hypersensitivity reactions are well known phenomena as it relates to surgical implants in other surgical specialties but are seldom reported within the ear, nose and throat literature. Oftentimes, it takes astute observation to diagnose and establish a connection. Prompt recognition and treatment can be acquired from interdisciplinary collaboration with allergy.

PMID:34991357 | DOI:10.1177/00034894211070135

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Evaluation of Hearing Loss in Congenital Hypothyroid Children at a Tertiary Care Hospital in Central India

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Abstract

Hearing loss has long been associated with congenital hypothyroidism and, if not noticed and treated early, may result in delayed language acquisition and difficulties in comprehension. In light of the implications of congenital hypothyroidism and its associated hearing loss, we decided to conduct this study. The aim of this study was to identify the prevalence of hearing loss in congenital hypothyroidism and its relation to the severity of the disease and age of initiation of treatment. This study was conducted from July 2016 to June 2021 at a tertiary care hospital in Bhopal. The hearing status of congenital hypothyroid children and matched controls was assessed by pure tone audiometry or free field audiometry and, in selected cases, with brainstem evoked response audiometry. Eight children (25%) with congenital hypothyroidism had hearing loss, compared to one (3.12%) in the control group (p < 0.05). No statistically significant difference has b een found in the gender, mean age of diagnosis, mean age of initiation of levothyroxine treatment, mean screening FT4 levels, and mean screening TSH levels between congenital hypothyroid children with and without hearing loss. Due to the high prevalence of hearing loss in congenital hypothyroidism and its impact on language and cognitive development, it is critical to create awareness among healthcare professionals that children diagnosed with congenital hypothyroidism must undergo audiological evaluation at the time of diagnosis and periodically thereafter. Alternatively, children with unexplained hearing loss must be screened for congenital hypothyroidism.

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Association between exposure to radioactive iodine after the Chernobyl accident and thyroid volume in Belarus 10-15 years later

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Environ Health. 2022 Jan 7;21(1):5. doi: 10.1186/s12940-021-00820-0.

ABSTRACT

BACKGROUND: While there is a robust literature on environmental exposure to iodine-131 (131I) in childhood and adolescence and the risk of thyroid cancer and benign nodules, little is known about its effects on thyroid volume.

METHODS: To assess the effect of 131I dose to the thyroid on the volume of the thyroid gland, we examined the data from the baseline screening of the Bel arusian-American Cohort Study of residents of Belarus who were exposed to the Chernobyl fallout at ages ≤18 years. Thyroid dose estimates were based on individual thyroid activity measurements made shortly after the accident and dosimetric data from questionnaires obtained 10-15 years later at baseline screening. During baseline screening, thyroid gland volume was assessed from thyroid ultrasound measurements. The association between radiation dose and thyroid volume was modeled using linear regression where radiation dose was expressed with power terms to address non-linearity. The model was adjusted for attained age, sex, and place of residence, and their modifying effects were examined.

RESULTS: The analysis was based on 10,703 subjects. We found a statistically significant positive association between radiation dose and thyroid volume (P < 0.001). Heterogeneity of association was observed by attained age (P < 0.001) with statistically significant association remain ing only in the subgroup of ≥18 years at screening (P < 0.001). For this group, increase in dose from 0.0005 to 0.15 Gy was associated with a 1.27 ml (95% CI: 0.46, 2.07) increase in thyroid volume. The estimated effect did not change with increasing doses above 0.15 Gy.

CONCLUSIONS: This is the first study to examine the association between 131I dose to the thyroid gland and thyroid volume in a population of individuals exposed during childhood and systematically screened 10-15 years later. It provides evidence for a moderate statistically significant increase in thyroid volume among those who were ≥ 18 years at screening. Given that this effect was observed at very low doses and was restricted to a narrow dose range, further studies are necessary to better understand the effect.

PMID:34996456 | DOI:10.1186/s12940-021-00820-0

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Dual VEGF/PDGF knockdown suppresses vasculogenic mimicry formation in choroidal melanoma cells via the Wnt5a/β-catenin/AKT signaling pathway

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Via histochem

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Acta Histochem. 2022 Jan 4;124(1):151842. doi: 10.1016/j.acthis.2021.151842. Online ahead of print.

ABSTRACT

OBJECTIVE: This study aimed to explore the effects of knocking down both vascular endothelial growth factor (VEGF) and platelet derived growth factor (PDGF) on vasculogenic mimicry (VM) formation in choroidal melanoma (CM) cells.

METHODS: Cell counting Kit (CCK)-8, monoclonal formation, wound healing, transwell and flow cytometry assays were used to observe the cell effects in CM cell line, ocular choroidal melanoma-1 cells (OCM-1) with respect to proliferation, migration, invasion and apoptosis. Three-dimensional (3D) cultures were also used to characterize VM tube structural effects in OCM-1 cells and western blotting was used to characterize protein expression changes in VM-related markers.

RESULTS: Dual VEGF/PDGF knockdown suppressed cell proliferation, migration and invasion, but promoted cell apoptosis. It also reduced VM tube structures in OCM-1 cells. VM associated markers including, VE-cadherin, EphA2 and MT1-MMP were also down-regulated in OCM-1 cells. Similarly, Wnt5a, β-catenin and phosphorylated-AKT levels were also down-regulated. Western blotting and 3D cultures further demonstrated that combined Wnt5a silencing with dual VEGF/PDGF knockdown significantly decreased VE-cadherin and EphA2 levels and reduced VM tube structures in OCM-1 cells.

CONCLUSIONS: Dual VEGF/PDGF knockdown suppressed cell growth and metastas is in OCM-1 cells, and blocked the Wnt5a/β-catenin/AKT signaling pathway thereby inhibiting VM formation.

PMID:34995928 | DOI:10.1016/j.acthis.2021.151842

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