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https://www.readbyqxmd.com/read/29047692/glucose-sensing-in-oral-mucosa-simulating-phantom-using-differential-absorption-based-frequency-domain-low-coherence-interferometry
#1
Pauline John, Nilesh J Vasa, Sujatha Narayanan Unni, Suresh R Rao
The superluminescent diode based differential absorption frequency domain low-coherence interferometry (FD-DALCI) technique is proposed and demonstrated for sensing physiological concentrations of glucose (0-250 mg/dl) in oral mucosa simulating phantoms (intralipid of concentrations 0.25-0.50%) with wavelengths at 1589 and 1310 nm. The proposed technique allows simultaneous measurements of refractive index based spectral shift and estimation of physiological concentration of glucose in intralipid with scattering characteristics using the differential absorption approach...
October 10, 2017: Applied Optics
https://www.readbyqxmd.com/read/29042978/antiplatelet-drug-ticagrelor-delays-gastric-ulcer-healing-in-rats
#2
Jing-Jing Li, Xin-Ying Wu, Jing-Lou Chen, Guan-Rong Chen, Jun Xu, Ye Gu, Hong-Ping Song
Adenosine diphosphate P2Y12 receptor antagonist clopidogrel is not sufficiently safe for the gastric mucosa in patients with high risk of peptic ulcer, since it may impair healing of gastric erosions. However, the safety of the novel P2Y12 receptor antagonist ticagrelor in the gastric mucosa has not been elucidated to date. The present study aimed to examine whether ticagrelor delays gastric ulcer healing and to elucidate the involved mechanisms. Gastric kissing ulcers were produced in rats by luminal application of acetic acid solution, and ticagrelor was administered at dose of 10 or 20 mg/kg/day orally for 7 days...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29042035/a-systematic-review-of-molecular-responses-to-cancer-therapy-in-normal-human-mucosa
#3
REVIEW
Mette Marcussen, Conni Skrubbeltrang, Julie Støve Bødker, Ilse Christiansen, Martin Bøgsted, Karen Dybkær, Olav Jonas Bergmann, Hans Erik Johnsen
OBJECTIVE: Cancer therapy-induced inflammation of oral and gastrointestinal mucosae affects patients nonuniformly. Preventive strategies are limited; no biomarker exists for pretreatment identification of patients likely to be severely affected. Animal models are preferred for studying molecular responses in mucosae during chemotherapy, but translation into clinical practice is difficult. We performed a systematic review to retrieve articles that described molecular changes in human mucosae during cancer therapy...
October 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29039066/pattern-classification-of-enterovirus-71-associated-hand-foot-and-mouth-disease-in-chinese-medicine-a-retrospective-study-in-433-cases
#4
Yan Liu, Li-Yun He, Tian-Cai Wen, Shi-Yan Yan, Wen-Jing Bai, Bao-Yan Liu
OBJECTIVE: To determine whether patterns of enterovirus 71 (EV71)-associated hand, foot, and mouth disease (HFMD) were classified based on symptoms and signs, and explore whether individual characteristics were correlated with membership in particular pattern. METHODS: Symptom-based latent class analysis (LCA) was used to determine whether patterns of EV71-HFMD existed in a sample of 433 cases from a clinical data warehouse system. Logistic regression was then performed to explore whether demographic, and laboratory data were associated with pattern membership...
October 17, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29038969/microvascular-imaging-and-monitoring-of-human-oral-cavity-lesions-in-vivo-by-swept-source-oct-based-angiography
#5
Wei Wei, Woo June Choi, Ruikang K Wang
We report the development of optical coherence tomography- (OCT) based angiography (OCTA) to image blood flow within microcirculatory tissue beds in human oral cavity in vivo with a field of view at 10 mm × 10 mm. Three-dimensional (3D) structural and vascular images of labial mucosa tissue are obtained at a single 3D acquisition. Pathologic mucosal sites with mouth ulcers are examined using the OCT tomograms and angiograms, upon which to monitor the lesion healing process over a period of 2 weeks. Quantitative metrics of the capillary loop density within the lamina propria layer are evaluated, providing statistically significant difference between healthy and diseased conditions over time...
October 16, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29038738/a-case-of-infective-endocarditis-and-spinal-epidural-abscess-caused-by-streptococcus-mitis-bacteremia
#6
Victoria S Byrd, Attila S Nemeth
A 57-year-old man presented with abdominal pain, hematemesis, and melena. He reported taking high-dose ibuprofen for back pain and drinking several 24-ounce beers daily. Examination was remarkable for icteric sclera, poor dentition, tachycardia, and crescendo-decrescendo murmur at right upper sternal border, radiating to the carotids. Labs revealed leukocytosis, anemia, thrombocytopenia, and elevated liver function tests and INR. Endoscopy demonstrated antral ulcers, duodenitis, and esophagitis. Blood cultures were obtained and broad-spectrum antibiotics started; cultures later grew Streptococcus mitis, and antibiotic coverage was narrowed...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/29037910/antimicrobial-photodynamic-therapy-for-infectious-stomatitis-in-snakes-clinical-views-and-microbiological-findings
#7
Kathleen Fernandes Grego, Marcelo Pires Nogueira de Carvalho, Marcos Paulo Vieira Cunha, Terezinha Knöbl, Fabio Celidonio Pogliani, José Luiz Catão-Dias, Sávio Stefanini Sant'Anna, Martha Simões Ribeiro, Fábio Parra Sellera
BACKGROUND: Antimicrobial photodynamic therapy (APDT) has been broadly investigated as an alternative to treat localized infections, without leading to the selection of resistant microorganisms. Infectious stomatitis is a multifactorial disease frequently reported in captive snakes characterized by infection of the oral mucosa and surrounding tissues. In this study, we investigated methylene blue (MB)-mediated APDT to treat infectious stomatitis in snakes and verified the resistance phenotype and genotype before and after APDT...
October 13, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29034652/white-sponge-nevus-report-of-a-case-and-review-of-the-literature
#8
Mohammadreza Sobhan, Pedram Alirezaei, Mahmood Farshchian, Gholamreza Eshghi, Hamid Reza Ghasemi Basir, Leila Khezrian
White sponge nevus is a rare benign autosomal dominant disorder with variable penetrance. It is characterized by asymptomatic white plaques affecting mainly the oral mucosa. Careful clinical and histopathological examination is indicated to exclude other more serious conditions presenting as oral white lesions. Herein, we present a new case of oral white sponge nevus in a 17-year-old Iranian male with no familial background.
August 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29034442/correlation-between-tissue-expression-of-microrna-137-and-cd8-in-oral-lichen-planus
#9
Sana Maher Hasan Aghbari, Abdelrahman Ibrahim Abushouk, Olfat Gamil Shakir, Shaimaa Omar Zayed, Attia Attia
OBJECTIVES: Oral lichen planus (OLP) is a chronic, inflammatory condition, classified by the World Health Organization as a premalignant lesion. We performed this study to evaluate the correlation between microRNA-137 (miR-137) and CD8 oral tissue expression in OLP patients. MATERIALS AND METHODS: Twenty OLP patients [classified into three groups: (a) papular, reticular, or plaque; (b) atrophic; and (c) erosive] and 20 healthy controls were subjected to biopsy of the oral mucosa...
October 15, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29034279/rare-and-extensive-malignant-melanoma-of-the-oral-cavity-report-of-two-cases
#10
Parviz Deyhimi, Sayed Mohammad Razavi, Shirin Shahnaseri, Saeedeh Khalesi, Solmaz Homayoni, Payam Tavakoli
Primary oral melanomas are uncommon malignant neoplasm of melanocytes origin. The most common site of oral melanoma is maxillary gingiva and hard palate. Oral mucosal melanoma exhibit a pathobiological behavior and clinical features different from cutaneous melanomas. Oral melanomas are often clinically silent which may consequently result in delayed diagnosis; thus, making the prognosis extremely poor. This case report presents clinical, histopathological and immunohistochemical features of two cases of advanced oral melanoma, one pigmented or melanotic melanoma in a 46-year-old female and another amelanotic melanoma in a 59-year-old male patient, with chief complaint of swelling in oral mucosa...
September 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29034276/evaluation-of-the-ki-67-and-mcm3-expression-in-cytologic-smear-of-oral-squamous-cell-carcinoma
#11
Fahimeh Rezazadeh, Rahele Ebrahimi, Azadeh Andisheh-Tadbir, Mohammad Javad Ashraf, Bijan Khademi
STATEMENT OF THE PROBLEM: Squamous cell carcinoma (SCC) is the most frequent oral cancer whose 5-year survival rate is 80% for early-detected lesions and nearly 30-50% for advanced lesions. Early detection of oral cancers and precancerous lesions can improve the patient's survival and decrease the morbidity. PURPOSE: This study aimed to evaluate and compare the Ki-67 and MCM3 expression in cytologic smear of oral SCC (OSCC). MATERIALS AND METHOD: We examined 48 oral brush biopsies including 28 OSCC and 20 healthy non-smoking samples...
September 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29033766/effect-of-oral-care-gel-for-burning-mouth-syndrome-in-a-patient-with-hepatitis-c-a-case-report
#12
Yumiko Nagao, Yuji Kawahigashi, Kanae Kimura, Michio Sata
Burning mouth syndrome (BMS) is a burning sensation in the mouth with no underlying dental or medical cause. To date, there is no satisfactory treatment for BMS. Herein, we present the case of a 42-year-old female presenting with hepatitis C virus infection along with BMS. Despite two interferon therapies and a sustained virologic response, the discomfort in her oral mucosa persisted. At the age of 51, the patient complained of burning sensation and tingling pain in the tongue; a thin layer of REFRECARE-H®, an oral care gel (therapeutic dentifrice), was applied on the oral membrane after each meal for 60 days...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29033437/acute-anorectal-thrombophlebitis-caused-by-a-protein-c-deficiency
#13
Yuji Eso, Satoshi Yoshiji, Yuto Nakakubo, Minoru Matsuura, Hiroshi Seno
A 46-year-old man visited the emergency department of our hospital with a 3-day history of anal pain, hemorrhaging, and a slight fever. He had previously been diagnosed with protein C deficiency and was prescribed dabigatran, a direct oral anticoagulant. Contrast-enhanced computed tomography showed severe rectal wall thickening with partial defect of enhancement. In addition, sigmoidoscopy revealed a dusky purplish swollen anorectal mucosa just above the dentate line. He was diagnosed with acute anorectal thrombophlebitis, and anticoagulant therapy with heparin was initiated...
October 16, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29032979/a-treatment-algorithm-for-the-management-of-intraoral-burns-a-narrative-review
#14
REVIEW
Steve Kang, Kenneth Kufta, Thomas P Sollecito, Neeraj Panchal
Oral mucosa follows a distinctly different trajectory of wound healing than skin. Although there are contemporary guidelines regarding treatment of burns to the skin, there is no standard of care specific to intraoral burns. This narrative review proposes an evidence-based treatment algorithm for the management of intraoral burns. Data was collated through a comprehensive review of the literature and only included studies that have reported particular success with favorable short- and long-term prognoses. In order to critically appraise the strength of the treatment recommendations, the GRADE criteria was applied to each arm of the algorithm...
October 9, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/29031240/colonization-of-oropharynx-and-lower-respiratory-tract-in-critical-patients-risk-of-ventilator-associated-pneumonia
#15
Ivany Machado de Carvalho Baptista, Frederico Canato Martinho, Gustavo Giacomelli Nascimento, Carlos Eduardo da Rocha Santos, Renata Falchete do Prado, Marcia Carneiro Valera
OBJECTIVE: To investigate the microbial diversity existing in oral cavity and respiratory tract samples (from mini-bronchoalveolar lavage (BAL), endotracheal aspirate, and orotracheal tube) of patients on mechanical ventilation by using the checkerboard DNA-DNA hybridisation. Also, the study aimed to evaluate whether the microbial profile in the oral cavity is found in respiratory tract samples, at different periods of mechanical ventilation time (12h, 48h, 96h) in attempt to identification of relationship between VAP (ventilator-associated pneumonia) and bacterial species studied...
October 2, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29031238/the-effect-of-supragingival-biofilm-re-development-on-the-subgingival-microbiota-in-chronic-periodontitis
#16
Fátima Aparecida Rocha Resende Hartenbach, Carina Maciel Silva-Boghossian, Ana Paula Vieira Colombo
OBJECTIVE: In this study, we hypothesized that in the absence of oral hygiene, re-growth of the climax microbial communities of supra and subgingival biofilm happens in a faster and more intense fashion in individuals with chronic periodontitis (CP) compared to periodontally healthy controls (PH). DESIGN: Thirty patients (PH=15 and CP=15) received professional supragingival prophylaxis, and were asked to refrain from oral hygiene for 7days. Supra and subgingival biofilm samples and GCF were collected from randomly selected quadrants at baseline (before prophylaxis), immediately after prophylaxis, 2h, 6h, 24h, and 7days after prophylaxis...
October 10, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29029901/spectrum-of-orocutaneous-disease-associations-immune-mediated-conditions
#17
REVIEW
Jeffrey D Cizenski, Pablo Michel, Ian T Watson, Jillian Frieder, Elizabeth G Wilder, John M Wright, M Alan Menter
There are a number of diseases that manifest both on the skin and the oral mucosa, and therefore the importance for dermatologists in clinical practice to be aware of these associations is paramount. In the following continuing medical education series, we outline orocutaneous disease associations with both immunologic and inflammatory etiologies.
November 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29027689/oral-mucosa-model-for-electrochemotherapy-treatment-of-dog-mouth-cancer-ex-vivo-in-silico-and-in-vivo-experiments
#18
Daniela O H Suzuki, José A Berkenbrock, Marisa J S Frederico, Fátima R M B Silva, Marcelo M M Rangel
Electrochemotherapy (EQT) is a local cancer treatment well established to cutaneous and subcutaneous tumors. Electric fields are applied to biological tissue in order to improve membrane permeability for cytotoxic drugs. This phenomenon is called electroporation or electropermeabilization. Studies have reported that tissue conductivity is electric field dependent. Electroporation numerical models of biological tissues are essential in treatment planning. Tumors of the mouth are very common in dogs. Inadequate EQT treatment of oral tumor may be caused by significant anatomic variations between dogs and tumor position...
October 13, 2017: Artificial Organs
https://www.readbyqxmd.com/read/29026957/autologous-buccal-micro-mucosa-free-graft-combined-with-posterior-scrotal-flap-transfer-for-vaginoplasty-in-male-to-female-transsexuals-a-pilot-study
#19
Shu-Yi Wei, Feng-Yong Li, Qiang Li, Sen-Kai Li, Chuan-De Zhou, Yu Zhou, Yu-Jiao Cao, Si-Ya Zhang, Yang Zhao
BACKGROUND: The inverted peno-scrotal flap method is considered the standard method of vaginoplasty in male-to-female genital reassignment surgery. Though with numerous advantages, the method has its limitations regarding skin texture, lack of inherent lubrication, and that the tissues for creating the labia depend on the amount of tissues remaining after vaginoplasty. Our purpose was to describe the procedure and outcome of vaginoplasty applying a new technique: autologous buccal micro-mucosa free graft combined with posterior scrotal flap transfer, which could solve some of the problems the previous methods had...
October 12, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29026829/aggressive-combined-medical-and-surgical-management-of-mucormycosis-results-in-disease-eradication-in-2-pediatric-patients
#20
Haley F M Augustine, Colin White, James Bain
Rhinocerebral mucormycosis is an acute, rapidly fatal, fungal infection, classically involving the nasal mucosa and paranasal sinuses. It is an aggressive, opportunistic infection that frequently progresses to involve the orbit and cerebrum. Cerebral extension in immunocompromised patients is almost universally fatal. There are limited data on mucormycosis in pediatric immunocompromised patients in the literature, with only few reports on rhinocerebral involvement. The immunocompromised patients described in this report presented with suspected periorbital and nasal cellulitis, progressing rapidly to necrotic changes in nasal tissue and oral palatal mucosa...
August 2017: Plastic Surgery
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