Thursday, March 25, 2021

Serum S100A12 levels: Possible association with skin sclerosis and interstitial lung disease in systemic sclerosis

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Abstract

Damage‐associated molecular patterns (DAMPs) have drawn much attention as a member of disease‐associated molecules in systemic sclerosis (SSc). In this study, we investigated the potential contribution of S100A12, a member of DAMPs, to the development of SSc by evaluating S100A12 expression in the lesional skin and the clinical correlation of serum S100A12 levels. S100A12 expression was markedly elevated in the epidermis of SSc‐involved skin at protein levels and in the bulk skin at mRNA levels. The deficiency of transcription factor Fli1, a predisposing factor of SSc, enhanced S100A12 expression and Fli1 occupied the S100A12 promoter in normal human keratinocytes. Serum S100A12 levels were higher in SSc patients, especially in those with diffuse cutaneous involvement, than in healthy controls and positively correlated with skin score. Furthermore, the presence of interstitial lung disease significantly augmented serum levels of S100A12. Importantly, serum S100A12 lev els correlated inversely with both per cent forced vital capacity and per cent diffusing capacity for carbon monoxide and positively with serum levels of KL‐6 and surfactant protein‐D. Collectively, these results indicate a possible contribution of S100A12 to skin sclerosis and interstitial lung disease associated with SSc, further supporting the critical roles of DAMPs in the pathogenesis of this disease.

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The Clinical and Pathological Characteristics of Malignant Struma Ovarii: An Analysis of 144 Published Patients

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Front Oncol. 2021 Mar 5;11:645156. doi: 10.3389/fonc.2021.645156. eCollection 2021.

ABSTRACT

The objective of this study is to summarize the clinical and pathologic characteristics of malignant struma ovarii to facilitate the early diagnosis and treatment of this disease. All 144 patients were females from 27 countries. The mean age of the patients at diagnosis was 42.6 years. Overall, 35.71% of the patients underwent unilateral oophorectomy, 58.57% of the patients underwent bilateral oophorectomy, 5.72% of the patients were not ovariectomized, and 38.57% of the patients received radioactive iodine treatment with an average dose of 158.22 mCI each time. "Impure" types accounted for 70.19% of the cases, while pure types accounted for 29.81% of the cases. Among these cases, papillary thyroid carcinoma accounted for 50.00%, follicular thyroid carcinoma accounted for 26.47%, follicular variant of papillary thyroid carcinoma accounted for 18.63%, papillary and follicular mixed thyroid carcinoma accounted for 2.94%, anaplastic carcinoma accounted for 0.98%, and medullary carcinoma accounted for 0.98%. In total, 21 patients (51.22%) had elevated CA125. More than half of the patients (51.94%) had metastasis outside the ovary. The most common metastatic site was the pelvic cavity. The misdiagnosis rate was 17.27%. Mortality was related to metastasis and the cancer type. Gene mutations were found in the NRAS, KRAS, BRAF, and KIT genes and were similar to those in thyroid carcinoma, but some patients (37.5%) did not exhibit any gene mutations. Regardless of the treatment received, the survival rate is high. Treatment could initially include ovariectomy; however, in cases with metastasis and iodine uptake of the metastatic tumor, thyroidectomy, radioactive iodine therapy, and thyroid hormone inhibiting therapy are indicated.

PMID:33763376 | PMC:PMC7982850 | DOI:10.3389/fonc.2021.645156

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The PCOC Symptom Assessment Scale (SAS): A valid measure for daily use at point of care and in palliative care programs

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by Barbara A. Daveson, Samuel Frederic Allingham, Sabina Clapham, Claire E. Johnson, David C. Currow, Patsy Yates, Kathy Eagar

Background

Very few measures are used successfully as part of routine care within national palliative care outcome programs. Only a handful of studies examine these measures. The aim of this study is to evaluate the validity of a measure used in a national outcomes program: the Palliative Care Outcomes Collaboration Symptom Assessment Scale (PCOC SAS).

Methods

A retrospective multi-site cohort study with secondary analysis of routinely collected patient-level data to assess PCOC SAS's internal consistency, construct validity, reliability, interpretability, acceptability and sensitivity. The analyses used two sets, with data collected by inpatient and community palliative care services registered with the Australian national PCOC.

Results

Dataset one included 1,117 patients receiving palliative care from 21 services. Dataset two included 5,294 patients receiving palliative care from 119 PCOC services. PCOC SAS demonstrated the ability to detect and discriminate dist ress by palliative care phase, functional status and diagnosis. Excellent and good convergent and discriminant validity were demonstrated. Fair through to substantial inter-rater and intra-rater reliability levels were evidenced. Sufficient interpretability resulted along with necessary levels of acceptability and sensitivity.

Conclusion

PCOC SAS is a valid and reliable patient-reported outcome measure suitable for use in routine clinical care with patients requiring palliative and or end-of-life care, including in national outcomes programs.

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Systematic evaluation of laryngeal impairment in Sjögren's syndrome

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Eur Arch Otorhinolaryngol. 2021 Mar 25. doi: 10.1007/s00405-021-06746-0. Online ahead of print.

ABSTRACT

INTRODUCTION: Sjögren's syndrome (SjS) causes malfunction of the salivary and lacrimal glands. Consequently, patients suffer from xerostomia and keratoconjunctivitis sicca. This can further affect the voice and swallowing function resulting in an impaired quality of life. Aim of this study is the systematic evaluation of the impact on voice and swallowing-related quality of life in patients with SjS.

MATERIAL AND METHODS: SjS patients were classified according to the American-European Consensus Group (AECG) criteria; antibodies to Ro (SS-A) or La (SS-B) antigens were detected, ESSPRI was completed. We used the following quality of life questionnaires: EORTC QLQ H&N 35, Anderson Dysphagia Inventory (ADI) and Voice Handicap Index (VHI). Patients additionally received a detailed phoniatric examination (auditory perception, v ideostroboscopy, acoustic analysis, Dysphonia Severity Index (DSI), aerodynamics measurements).

RESULTS: Almost all the 54 patients (96.3%) had a limited quality of life due to their swallowing problems and 48% due to their voice problems. Both values correlated significantly with the degree of xerostomia. In the phoniatric examination, 77.8% had an increased DSI and two-thirds had abnormalities in videostroboscopy.

CONCLUSIONS: A reasonable impairment of quality of life in patients with SjS due to the limitations in voice and swallowing function was observed. As SjS does not limitate life expectancy, preservation of quality of life is important. Detection of voice and swallowing problems as potential reasons for quality of life impairment should be detected and, if diagnosed, treated accordingly.

PMID:33765165 | DOI:10.1007/s00405-021-06746-0

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A New Montgomery® Salivary Bypass Tube Placement Technique: Report of Procedures Performed on Patients With Tracheoesophageal Fistula or Pharyngoesophageal Stenosis

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Ear Nose Throat J. 2021 Mar 25:1455613211006002. doi: 10.1177/01455613211006002. Online ahead of print.

ABSTRACT

Salivary Bypass Tube is an important tool to prevent or treat some complications of laryngeal and hypopharyngeal surgery and its placement may prove difficult. In this article, we propose a new technique to simplify its management by using an Oral/Nasal Tracheal Tube Cuffed-Reinforced that allowed us to reduce operating times, complications related to prolonged ge neral anesthesia, and the traumas on the tissues incurred during the forced positioning of the device with standard techniques.

PMID:33764199 | DOI:10.1177/01455613211006002

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Montgomery T-Tube Insertion Under ECMO in a Patient With Complete Subglottic Stenosis and Severe Lower Tracheal Collapse

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Ear Nose Throat J. 2021 Mar 25:1455613211006010. doi: 10.1177/01455613211006010. Online ahead of print.

ABSTRACT

The treatment of complete subglottic stenosis (SGS) remains a challenge due to anatomic and technological limitations. Placement of the Montgomery T-tube is an effective treatment option. For complete SGS patient combined with lower trachea collapse, the ventilation management during the T-tube insertion process is more complicated. Here, we report a case with comp lete SGS combined with severe lower trachea collapse, which was successfully managed with T-tube insertion under extracorporeal membrane oxygenation.

PMID:33764200 | DOI:10.1177/01455613211006010

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Wednesday, March 24, 2021

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Tuesday, March 23, 2021

The biomechanical role of the lacertus fibrosus of the biceps brachii Muscle

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Surg Radiol Anat. 2021 Mar 22. doi: 10.1007/s00276-021-02739-0. Online ahead of print.

ABSTRACT

PURPOSE: The lacertus fibrosus (LF) is involved in various surgeries. However, the biomechanical contribution of the LF remains unclear. The aim of this study was to determine the role of the lacertus fibrosus on the elbow and forearm kinematics and on the biceps brachii muscle lever arms.

METHODS: This biomechanical study was performed on seven fresh-frozen upper limbs of c adavers. Elbow flexion, forearm supination, and biceps brachii muscle lever arms were analyzed in the intact conditions (I) and after superficial (R) and deep part (R2) of the lacertus fibrosus release, respectively.

RESULTS: Elbow flexion shows a significant difference (p < 0.0001) between I, R, R2. Abduction/adduction shows a significant difference between I-R (p < 0.0001) and I-R2 (p < 0.0001). Supination does not show a significant difference in mean maximum amplitude, but between 40 and 70%, there are significant differences. There is a significant mean decrease of lever arm in flexion (28%) and supination (50%) after superficial and deep part of the lacertus fibrosus release.

CONCLUSION: The results of this study show that the lacertus fibrosus increases the lever arm during flexion and supination. It limits the flexion and abduction of the elbow and supination of the forearm. Lacertus fibrosus maintains the rhythmicity between the elbow flexion and supina tion of the forearm.

LEVEL OF EVIDENCE: Basic science study, biomechanics.

PMID:33751178 | DOI:10.1007/s00276-021-02739-0

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Association between Laryngopharyngeal Reflux and Vocal Fold Leukoplakia

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Introduction: Vocal fold leukoplakia (VFL) has a risk of malignant transformation, and the underlying mechanisms are currently unrecognized. Some clinical evidence has indicated that laryngopharyngeal reflux (LPR) probably plays a critical role. Objective: To explore the risk factors associated with the occurrence of VFL and to investigate the importance of LPR in VFL and its different pathological types using 24-h multichannel intraluminal impedance-pH monitoring. Materials and Methods: Eighty-one patients with VFL and 27 healthy volunteers were recruited. General information and LPR parameters were analyzed. Results: The monitoring showed that 35.8% (29/81) of patients had acidic LPR and that 43.2% (35/81) had weakly acidic LPR. Heavy drinking (odds ratio = 4.004, p = 0.037) and acidic LPR (odds ratio = 4.471, p = 0.029) were independent risk factors for the occurrence of VFL. Acidic LPR showed a strong correlation with the Reflux Finding Score (p #x3c; 0.05) in patients suspected of having LPR based on the scale score. Meanwhile, weakly acidic LPR parameters increased with the severity of pathological degrees which were higher in high-grade dysplasia (p #x3c; 0.05). Conclusion: Our study confirms the importance of LPR in VFL. Heavy drinking patients with VFL, particularly those with acidic LPR, should undergo intensive treatment. Meanwhile, weakly acidic LPR may play a c ritical role in the pathological changes in VFL.
ORL
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Intratympanic steroid injection versus hyperbaric oxygen therapy in refractory sudden sensorineural hearing loss: a meta-analysis

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Eur Arch Otorhinolaryngol. 2021 Mar 22. doi: 10.1007/s00405-021-06616-9. Online ahead of print.

ABSTRACT

OBJECTIVE: The present meta-analysis aims to compare the efficacy of intratympanic steroid (ITS) injection and hyperbaric oxygen (HBO) therapy as salvage treatments for refractory sudden sensorineural hearing loss (SSNHL).

DATA SOURCES: Comprehensive searches were performed in PubMed, EMBASE and the Cochrane Library from the date of the database inception to June 2020. All studies reporting the use of salvage ITS and HBO treatments in refractory SSNHL patients were included. Subsequently, the full texts of the eligible studies were evaluated.

METHODS: The quality and bias of the studies were assessed using the Newcastle-Ottawa Scale and Cochrane's risk of bias tools for nonrandomized and randomized studies, respectively. The data were analyzed using Comprehensive Meta-Analysis software (Version 3; Biostat, Englewood, NJ) .

RESULTS: Three hundred and fourteen subjects in 3 observational studies and 1 randomized controlled trial met our inclusion criteria. The pooled results demonstrated that there were no significant differences in the mean posttreatment hearing gain between the ITS and HBO groups. The changes in word discrimination and hearing gain at 250, 500, 1000, 2000, 4000 and 8000 Hz were also comparable between the two salvage treatment groups.

CONCLUSIONS: The pooled results demonstrated that there were no significant differences in hearing improvements between salvage ITS injection and salvage HBO therapy after failed primary systemic steroid treatment in patients with SSNHL. However, spontaneous recovery could bias the treatment outcomes, and these results should be interpreted with caution. Clinicians may choose these salvage treatments according to personal experience and treatment availability. In cases in which specialized HBO facilities are difficult to access, salvage ITS injection can be provided with comparable responses.

PMID:33751195 | DOI:10.1007/s00405-021-06616-9

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Effectiveness of Brandt Daroff, Semont and Epley maneuvers in the treatment of Benign Paroxysmal Positional Vertigo: A Randomized Controlled Clinical Trial

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Abstract

The aim was to compare the effectiveness of Brandt-Daroff, Semont and Epley maneuver in BPPV resolution. A Single Blind RCT in a Secondary Care Center was performed. Inclusion criteria were: patients with unilateral rotatory nystagmus on Dix-Hallpike Maneuver (DHM). Exclusion criteria: other causes of peripheral or central vertigo. Patients were randomized into 4 groups: Brandt-Daroff, "sham", Semont and Epley. Patients underwent allocation, 1st visit (at 1 week with reprise of original maneuver if persistent nystagmus) and 2nd visit (2 to 4 weeks) with repetitions of both DHM and DHI. Main Outcome Measures: Absence of nystagmus on DHM at 1st and 2nd visit evaluations and DHI score. Resolution was defined as the abscence of nystagmus. We included 34 patients (25 females, 9 males). Patients were randomized to Brandt-Daroff (n = 9), "sham" (n = 7), Semont (n = 9) and Epley (n = 9) group. Overall mean age was 59.85 years ( SD ± 13.10). A total of 47.06% patients (n = 16) had negative DHM at 1st visit. Resolution for Brandt-Daroff was 22.22%, "sham" 28.57%, Semont 44.44% and Epley 88.88% (p = 0.024); at 2nd visit follow up, Epley achieved 100% resolution (other maneuvers: 42.86%, 16.67%, 44.44%, respectively. P = 0.006). The DHI improvement at 2nd visit for Brandt-Daroff was 21.17 points, "sham" 8.05, Semont 14.67 and Epley 61.78 (p = 0.001). Epley maneuver was superior to Brandt Daroff, "sham" and Semont maneuvers on nystagmus resolution and DHI improvement in patients with BPPV.

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Genetic Screening for 35delG Mutation in Egyptian Patients with Profound Sensorineural Hearing Loss Scheduled for Cochlear Implantation: A Population-Based Study

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Objectives: The aim of this work was to assess the type and site of the 35delG gene mutation in patients presenting with profound SNHL and scheduled for cochlear implantation. The secondary objectives were to determine their geographical distribution throughout Egypt, screening of the parents for the mutation, and to correlate the type of mutation with clinical severity and outcomes after surgery. Methods: The study was carried out on 100 consecutive patients schedu led for cochlear implantation. Patients with syndromic hearing loss or noncongenital hearing loss (trauma, infections, and ototoxicity) were excluded. All patients were subjected to detailed history taking including geographic tagging for their origins in Egypt, imaging (CT and MRI cochlear implantation protocols), full audiological evaluation (PTA, ABR, and TEOAE), and genetic screening for GJB2 mutation using Invitrogen PCR mix and ApaI restriction enzyme (North America, CA, 10572-014). The parents of mutation-positive patients were also subjected to audiological and genetic analysis. All patients were subjected to postimplantation evaluation of hearing after 6 and 12 months. Results: There were 64 males and 36 females from 98 families. Ages ranged between 1.9 and 7 years (mean 3.72 years). They originated from all over Egypt but the majority came from the Giza and Cairo areas. The 35delG mutations were found in exon 2 in 31% of the cases and all were heterozygous. I n the parents, 18 mothers and 13 fathers were positive but only 8 had mild to moderate SNHL. Hearing evaluation by pure tone and speech discrimination scores at 6 and 12 months showed that the 35delG children had a statistically better result compared to the children without this mutation. Conclusion: The prevalence of the 35delG mutation in nonsyndromic children in this sample was 31% which is different from previous studies in the Egyptian population but close to the values found in other populations in the Mediterranean basin.
ORL
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