Κυριακή 21 Φεβρουαρίου 2021

Application of propolis extract, nanovitamin C and nanovitamin E to prevent alveolar osteitis after impacted lower third molar surgery. A randomized, double-blind, split-mouth, pilot study.

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Application of propolis extract, nanovitamin C and nanovitamin E to prevent alveolar osteitis after impacted lower third molar surgery. A randomized, double-blind, split-mouth, pilot study.

Med Oral Patol Oral Cir Bucal. 2021 Feb 20;:

Authors: González-Serrano J, López-Pintor RM, Cecilia-Murga R, Torres J, Hernández G, López-Quiles J

Abstract
BACKGROUND: Propolis has anti-inflammatory, analgesic and healing properties. The purpose of this study was to determine whether a gel containing 2% of propolis extract, 0.2% of ascorbic acid and 0.2% of tocopherol acetate is effective in preventing surgical complications related to impacted lower third molar extractions.
MATERIAL AND METHODS: A randomized, double-blind, split-mouth study was performed. Fifteen patients were recruited who needed bilateral impacted lower third molar extractions with a similar surgical difficulty. A test or placebo gel was administered randomly inside post-extraction sockets. Each patient was instructed to apply the gel 3 times/day in the surgical wound for a week. After a month, the contralateral third molar was extracted, and the opposite gel applied. The following parameters were diagnosed/evaluated and then recorded: alveolar osteitis following Blum's criteria, swelling and trismus at day one, two, three and seven post-intervention, wound healing at day 7 post-intervention, and postoperative pain using a visual analog scale, as well as, the number of analgesic pill intake.
RESULTS: A total of twenty-six surgical procedures were performed in 13 patients (mean age 20.67±2 years). Alveolar osteitis was reported in 3 patients from the placebo group (23.1%) and none in the test group (0%) (p=0.25). No statistically significant differences were reported in swelling, trismus, wound healing or analgesic pill consumption between two groups. But statistically lower postoperative pain during the 7 days after surgical extractions was found according to visual analog scale in test group compared to the placebo group (p=0.007). No side effects were reported.
CONCLUSIONS: The application of this gel may be effective in preventing alveolitis and thus reducing postoperative pain after impacted third molar extractions. More randomized clinical trials with larger sample are needed to confirm these results.

PMID: 33609021 [PubMed - as supplied by publisher]

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Evaluation of saliva as a complementary technique to the diagnosis of COVID-19: a systematic review.

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Evaluation of saliva as a complementary technique to the diagnosis of COVID-19: a systematic review.

Med Oral Patol Oral Cir Bucal. 2021 Feb 20;:

Authors: Sagredo-Olivares K, Morales-Gómez C, Aitken-Saavedra J

Abstract
BACKGROUND: Infectious disease coronavirus 2019 (COVID-19) is caused by the SARS-CoV-2 virus, and it mainly affects the upper respiratory tract. The gold standard for its diagnosis is real-time reverse transcription polymerase chain reaction (RT-qPCR) performed on a nasopharyngeal swab. In contrast, testing saliva has significant advantages as a diagnostic method.
MATERIAL AND METHODS: We searched for articles evaluating saliva as a diagnostic method for COVID-19 on the PUBMED/MEDLINE, WEB OF SCIENCE, COCHRANE, and SCIELO platforms. We initially found 233 articles and 20 were selected for inclusion following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses protocol: 18 cross-sectional studies and 2 case reports, including 8 from America, 8 from Asia, and 4 from Europe. The studies evaluated the presence of viral RNA, IgG, IgM, and IgA in samples of unstimulated saliva from adults with confirmed or suspected COVID-19. The vast majority of the studies performed RT-qPCR on the saliva samples and compared the results with the gold standard (a nasopharyngeal swab of the same patient).
RESULTS: Saliva samples analyzed by RT-qPCR, reverse transcription isothermal amplification (RT-LAMP), spectroscopy, and enzyme-linked immunosorbent assay (ELISA) offer high sensitivity to detect SARS-CoV-2 in the early stages of the disease and among asymptomatic patients as compared to nasopharyngeal swab RT-qPCR. In addition, the self-collection of saliva offers the possibility of receiving telemedicine instructions to carry out the test, reducing the risk of contagion.
CONCLUSIONS: The diagnosis of COVID-19 through saliva is sensitive, non-invasive, and is of low risk for the healthcare professionals. However, further studies are recommended to validate its clinical use.

PMID: 33609022 [PubMed - as supplied by publisher]

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Prognostic value of the immunohistochemical expression of vascular endothelial growth factors in malignant salivary gland neoplasms: a systematic review and meta-analysis.

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Prognostic value of the immunohistochemical expression of vascular endothelial growth factors in malignant salivary gland neoplasms: a systematic review and meta-analysis.

Med Oral Patol Oral Cir Bucal. 2021 Feb 20;:

Authors: Dos Santos E, Ramos JC, Normando AG, Leme AF

Abstract
BACKGROUND:  The immunohistochemical expression of vascular endothelial growth factor is a prognostic marker in several cancer types. In salivary gland tumors, the association between vascular endothelial growth factor and prognosis remains unclear. The purpose of this study was to perform a systematic review and meta-analysis to assess whether the immunohistochemical expression of vascular endothelial growth factor in patients with salivary gland neoplasms presents prognostic value.
MATERIAL AND METHODS: Immunohistochemical studies assessing the predictive value of vascular endothelial growth factor in salivary gland neoplasms were systematically reviewed using PubMed, Scopus, Embase, Cochrane Library, and Web of Science databases. It was assessed any survival rates. The fixed-effect model with an adjusted hazard ratio (HR) and 95% confidence intervals (95% CI) as effect measures were performed in the meta-analysis. The Quality in Prognosis Studies (QUIPS) tool was used to assess the quality of the included studies, and the evidence quality was assessed by the Grading of Recommendation, Assessment, Development, and Evaluation (GRADE) system.
RESULTS: The immunohistochemical overexpression of vascular endothelial growth factor in patients with salivary gland neoplasms was associated with shortened survival (HR=5.37, 95% CI: 2.67-10.83, P = 0.00001). In addition, the presence of vascular endothelial growth factor was tightly associated with tumor size, lymph node metastasis, clinical stage, perineural invasion, vascular invasion, poor local control of the disease, and recurrence.
CONCLUSIONS: The immunohistochemical overexpression of vascular endothelial growth factor in patients with salivary gland neoplasms has prognostic value and was associated with decreased survival time. However, more primary well-designed studies are necessary to increase the level of evidence.

PMID: 33609023 [PubMed - as supplied by publisher]

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Efficacy of the laser at low intensity on primary burning oral syndrome: a systematic review.

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Efficacy of the laser at low intensity on primary burning oral syndrome: a systematic review.

Med Oral Patol Oral Cir Bucal. 2021 Feb 20;:

Authors: Matos AL, Silva PU, Paranhos LR, Santana IT, Matos FR

Abstract
BACKGROUND: Primary burning mouth syndrome (BMS) is a chronic clinical condition of idiopathic mainly characterized by pain and a burning sensation in the oral cavity. The application of laser at low intensity therapy is a treatment option. This systematic review evaluated the efficacy of laser therapy in treating symptoms of burning mouth syndrome.
MATERIAL AND METHODS: The study was formulated according to the PRISMA and Cochrane guidelines. Seven databases were used as primary sources of research. Only randomized controlled clinical trials were included. The efficacy of the therapy was estimated comparing the values of the visual and numerical scales of pain before and after laser treatment, through qualitative analysis.
RESULTS: The search resulted in 348 records and only eight filled the eligibility criteria and were included. All studies evaluated pain and / or a burning sensation considering a time interval of two to ten weeks. The total sample consisted of 314 patients submitted to treatment: 123 from the control group, who participated with laser off or with the tip blocked, and 191 from the intervention group, treated with low-level laser therapy. The female gender stood out and the average age of the participants was 60.89 years. The main symptoms reported were pain and a burning sensation in the oral mucosa and tongue. The parameters adopted by the authors for laser treatment were diverse and the variables were not fully described in the published studies. Visual analog and numerical scales were used to assess symptoms and only three studies showed statistical significance.
CONCLUSIONS: It is suggested that laser therapy may be an effective alternative in the treatment of BMS. New randomized clinical trials should consider well-established protocols to better understand the efficacy of laser therapy without confounding the effects.

PMID: 33609024 [PubMed - as supplied by publisher]

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Capsaicin intake and oral carcinogenesis: A systematic review.

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Capsaicin intake and oral carcinogenesis: A systematic review.

Med Oral Patol Oral Cir Bucal. 2021 Feb 20;:

Authors: Mosqueda-Solís A, Lafuente-Ibáñez de Mendoza I, Aguirre-Urizar JM, Mosqueda-Taylor A

Abstract
BACKGROUND: Chili is the most heavily and frequently consumed spice, either as a flavouring or colouring agent, and it is also a major source of pro-vitamin A, vitamin E and C. The main capsinoidcapsaicinoid found in chili peppers is capsaicin. It has been demonstrated that capsaicin acts as a cancer-suppressing agent through its antioxidant and anti-inflammatory effects, by blocking several signal transduction pathways. Oral squamous cell carcinoma is one of the most prevalent cancer worldwide. It is noteworthy that in countries where populations of diverse ethnic groups co-exist, differences have been observed in terms of incidence of oral cancer. The variances in their diet could explain, at least in part, these differences. The objective of this systematic review is to explore if there is evidence of a possible relationship between capsaicin intake and the incidence of oral squamous cell carcinoma, and discuss such association.
MATERIAL AND METHODS: A bibliographical search was made in PubMed, Scopus and Web of Science databases, and finally 7 experimental studies were included; OHAT risk of bias tool was used to assess their quality.
RESULTS: allAll the studies confirm that capsaicin is a chemopreventive agent that prevents the development of oral cancer, through inhibition of malignant cell proliferation and increase of apoptosis.
CONCLUSIONS: More human studies are needed in order to clarify the real link between consumption of chili (capsaicin) and the prevalence of oral cancer.

PMID: 33609025 [PubMed - as supplied by publisher]

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Endoscopic transcanal management of tympanosclerosis.

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Endoscopic transcanal management of tympanosclerosis.

Eur Arch Otorhinolaryngol. 2021 Feb 20;:

Authors: Özdek A

Abstract
OBJECTIVES: The objectives of this study are to describe our experiences in endoscopic transcanal management of tympanosclerosis, to explain our surgical approaches to reconstruct the sound conduction system and to analyze the hearing results obtained with our surgical approaches.
STUDY DESIGN: A retrospective cohort study, using medical records of 28 cases that underwent endoscopic transcanal tympanoplasty surgery due to tympanosclerosis from January 2016 to January 2020.
SETTINGS: Private otology clinic PATIENTS: Twenty-eight ears of 26 patients were enrolled into study. Patients were grouped according to Wielinga-Kerr classification and only type II, III and IV patients were included in the study.
INTERVENTIONS: Exclusively transcanal endoscopic surgery was performed in all cases. Primary goal was to mobilize the affected ossicles by removing the offending TS and reconstruct the ossicular chain. Malleostapediopexy was preferred when attic by-pass procedures were needed. Glass ionemer bone cement was used to reconstruct the ossicular defects.
OUTCOME MEASURES: Preoperative and postoperative pure tone average of air conduction and bone conduction and air-bone gap results were evaluated. Operation was considered successful if postoperative ABG < 20 dB was achieved. Complications and graft take rate were also evaluated.
RESULTS: Single-staged surgery was performed in 23 of 28 cases (82.1%). Graft take rate was 93%. The mean preoperative ABG significantly decreased from 33.9 ± 5.19 to 12.55 ± 5.52 dB postoperatively for 23 cases who had single-staged surgeries (p < 0.001, Wilcoxon signed rank test) at the end of the mean follow-up period of 23 months. For this group, the mean preoperative AC-PTA significantly improved from 48.64 ± 9.30 to 22.93 ± 7.45 dB (p < 0.001, Wilcoxon signed rank test) postoperatively with a mean PTA improvement of 25.71 ± 6.02 dB. Success criterion was achieved in 22 of 23 cases (95.7%). There was no sensorineural hearing loss, facial nerve paralysis and postoperative vertigo after the surgical procedures. All patients had been discharged within the first 24 h.
CONCLUSIONS: Surgical treatment of tympanosclerosis is still a controversial issue. Endoscopic surgery seems a safe technique for the management of tympanosclerosis. Single-stage surgery is possible in most of the cases with a satisfactory hearing result. We speculate that addition of endoscopic view may increase the single-stage surgery ratio.

PMID: 33609176 [PubMed - as supplied by publisher]

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The MO-meatocanalplasty: long-term results in the narrow external auditory canal with recurrent otitis externa or the inability to wear a hearing aid.

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The MO-meatocanalplasty: long-term results in the narrow external auditory canal with recurrent otitis externa or the inability to wear a hearing aid.

Eur Arch Otorhinolaryngol. 2021 Feb 20;:

Authors: De Greve G, van Dinther J, Vanspauwen R, Youri M, Verstreken M, Zarowski A, Offeciers E

Abstract
OBJECTIVE: The MO-meatocanalplasty is the oblique modification of the M-meatoplasty. The MO-meatocanalplasty was designed to address the superior quadrants of the meatus and the bony canal without the need for a retro-auricular incision. This retrospective analysis was performed to evaluate the long-term results of the MO-meatocanalplasty in patients with a narrow external auditory canal (EAC) with recurrent otitis externa or in patients unable to wear a hearing aid.
METHODS: Twenty-two ears in twenty consecutive patients who received a MO-meatocanalplasty for a narrow EAC with recurrent otitis externa or the inability to wear a hearing aid were analysed retrospectively. There were no patients included with any type of previous or planned second stage tympanoplasty procedures. A follow-up period of 3 years was analysed for postoperative recurrent narrowing, the self-cleaning capacity of the EAC, the recurrence of otitis externa, the inability to wear a hearing aid, change in hearing level and for all types of aesthetical complaints.
RESULTS: The MO-meatocanalplasty procedure was effective in 82% (n = 18). Postoperative recurrent narrowing was detected in 9% (n = 2). Insufficient self-cleaning capacity of the EAC was 9.1% (n = 2). The ability to wear a hearing aid was restored in all patients with the need for a hearing aid. No aesthetical complaints were reported.
CONCLUSION: The MO-meatocanalplasty is an effective, safe and aesthetical accepted procedure to address the narrow meatus and external auditory canal. With this procedure, there is no need for a retro-auricular incision in order to create a well aerated, dry and self-cleaning EAC in patients with a narrow EAC with recurrent otitis externa or in patient with the inability to wear a hearing aid.

PMID: 33609177 [PubMed - as supplied by publisher]

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Odontogenic sinusitis publication trends from 1990 to 2019: a systematic review.

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Odontogenic sinusitis publication trends from 1990 to 2019: a systematic review.

Eur Arch Otorhinolaryngol. 2021 Feb 20;:

Authors: Goyal VK, Spillinger A, Peterson EI, Craig JR

Abstract
PURPOSE: Odontogenic sinusitis (ODS) is underrepresented in the literature compared to other forms of rhinosinusitis, specifically in sinusitis guidelines and position statements. ODS publication characteristics could help explain why ODS has received less attention in sinusitis guidelines and position statements. The purpose of this study was to explore trends in the quantity and quality of ODS studies over 3 decades from 1990 to 2019.
METHODS: A systematic review was performed to identify all ODS studies from 1990 to 2019. The following variables from all ODS studies were compared between and across the 3 decades: authors' specialties, journal specialties, authors' geographic origins (continents), study topics, study designs, and evidence levels.
RESULTS: From 1990 to 2019, there were 254 ODS studies that met inclusion criteria. Numbers of publications increased each decade, with 161 being published from 2010 to 2019. Otolaryngologists and dental authors published over 75% of ODS studies each decade, with 60-75% of ODS articles being published in otolaryngology or dental journals. European and Asian authors published the most ODS studies each decade. Overall, 92-100% of ODS publications per decade were level 4 and 5 evidence, with no significant changes between or across decades.
CONCLUSION: While numbers of ODS publications increased each decade from 1990 to 2019, evidence levels remained low without significant changes over time. Otolaryngologists and dental authors published the majority of ODS studies each decade, with a minority of these studies being multidisciplinary. More ODS studies are needed across all aspects of the condition, and future projects would benefit from improved study designs and multidisciplinary collaboration.

PMID: 33609178 [PubMed - as supplied by publisher]

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Free tissue transfer after unsatisfactorily implant-based breast reconstruction, a cohort study.

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Free tissue transfer after unsatisfactorily implant-based breast reconstruction, a cohort study.

J Plast Reconstr Aesthet Surg. 2021 Jan 30;:

Authors: Sharp OL, Gupta S, Köhler G, Haywood RM, Masud D

Abstract
Breast reconstruction can be performed using implants or autologous tissue, either alone or in combination. Implants typically require re-operation during the patient's lifetime, often for adverse capsular contracture. Conversion from implants to autologous tissue may improve symptoms and deliver a definitive reconstruction. This is known as salvage breast reconstruction. In this paper we evaluate the indications, outcomes, complications and cost implications of salvage breast reconstruction in our regional centre and report these in line with the STROBE guidelines. Retrospective casenote analysis of all salvage breast reconstruction patients from January 2018 to January 2020 was performed. Nineteen patients were identified, with a median age of 52 years. Indications were all capsular contracture other than two each of implant rupture and patient request. Thirty-two perforator free flaps; 29 deep inferior epigastric, two profunda artery and one lateral thoracic artery flap we re performed. Median time from first implant to free flap reconstruction was nine years. Median hospital stay was five days. No total flap losses and one partial flap loss occurred. Three patients underwent secondary procedures to the breast to improve the aesthetic outcome. All patients reported improvement in symptoms and appearance. For implant-intolerant patients adequately counselled and accepting of the post-operative downtime, salvage reconstruction with autogenous tissue offers a lasting solution. The upfront healthcare costs are higher with a free tissue transfer, but may become comparable longer term given the multiple exchange of implant procedures required over a patient's lifetime.

PMID: 33608238 [PubMed - as supplied by publisher]

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[The German Sydney Swallow Questionnaire : Reliability and validity in patients with oropharyngeal dysphagia].

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[The German Sydney Swallow Questionnaire : Reliability and validity in patients with oropharyngeal dysphagia].

HNO. 2021 Feb 19;:

Authors: Bohlender JE, Frick S, Colotto U, Hotzenköcherle S, Brockmann-Bauser M

Abstract
BACKGROUND: The Sydney Swallow Questionnaire (SSQ) is a self-report inventory assessing subjective symptoms of oropharyngeal dysphagia with strong content, construct, discriminant, and predictive validity and test-retest reliability in a range of patient populations.
OBJECTIVE: The main aim of this work was to assess the validity and reliability of the German version of the SSQ (SSQ-G).
MATERIALS AND METHODS: In a cross-validation study, 48 adult German-speaking patients (12 women, 36 men) with neurogenic (n = 16), structural (n = 16), and functional (n = 16) oropharyngeal dysphagia were assessed with the SSQ‑G and the MD Anderson Dysphagia Inventory (MDADI). Cronbach's α was applied to assess the reliability. Criteria and construct validity were investigated using the Spearman correlation coefficient.
RESULTS: With Cronbach's α = 0.94, the internal consistency of the SSQ‑G was excellent. The SSQ‑G questions 1 and 17 showed a moderately significant and highly significant correlation coefficient of -0.43 and -0.45, respectively, with MDADI question 1 (p < 0.5, p < 0.001). Between questions 8, 11, and 12 of the SSQ‑G and questions 7, 13, and 10 of the MDADI, coefficients of -0.48 to -0.55 showed a moderate to strong highly significant correlation (p < 0.001). Thus, the reliability and criterion and construct validity were statistically confirmed.
CONCLUSION: The German version of the SSQ (SSQ-G) allows a reliable and valid assessment of functional swallowing difficulties. In combination with questionnaires on symptom-specific quality of life, such as the MDADI, a more differentiated clinical analysis of swallowing problems is thus possible.

PMID: 33608794 [PubMed - as supplied by publisher]

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