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1.
Natal; s.n; 2021. 75 p. tab, ilus, graf.
Thesis in Portuguese | LILACS, BBO | ID: biblio-1537198

ABSTRACT

A Candidose é uma patologia que pode ter manifestações locais e também sistêmicas e acontece pela proliferação de fungos do gênero Candida. O tratamento desta patologia é realizado com antifúngicos mas, devido a resistência dos fungos causadores desta enfermidade se faz necessário conhecer outros antifúngicos. A ação antimicrobiana do extrato hidroetanólico de Spondias mombin L. já é conhecida e é fundamental que seja pesquisado a atividade antibiofilme das substâncias, uma vez que estes fungos causam adoecimento quando se acumulam e proliferam. Sabendo disso é que o presente estudo teve por objetivo principal investigar a ação antifúngica e antibiofilme do extrato hidroetanólico (EH) de Spondias mombin L. e das frações de taninos, flavonoides e ácidos fenólicos, frente a fungos do gênero Candida, de importância clínica. Para isto, determinou-se a concentração inibitória mínima por meio do uso de discos e pela técnica da microdiluição em caldo, concentração inibitória mínima de aderência, determinação da curva de morte dos fungos e atividade antibiofilme das frações de ácidos fenólicos, flavonoides e tanino, frente aos fungos Candida albicans, Candida tropicalis, Candida Krusei e Candida Glabrata, utilizando como controle positivo a Nistatina (100.000 UI), em triplicata. Foi visto que, a atividade antifúngica e antibiofilme do EH e de suas frações analisadas existe, porém, quando comparamos as frações com o EH este último apresentou melhor atividade em suas maiores concentrações (500 µg/mL e 250 µg/mL) e quando traçamos o comparativo entre a ação antifúngica e antibiofilme das substâncias testadas e do grupo controle, tivemos melhores resultados do grupo controle frente aos fungos testados. Desta forma foi possível concluir que o extrato hidroetanólico apresentam resultados superiores de atividade antifúngica frente a todos os microrganismos testados, exceto C. krusei e antibiofilme frente a, pelo menos, uma das espécies de Candida e que este extrato teve resultados muito semelhantes e, por vezes, superior ao grupo controle (AU).


Candidosis is a pathology that can have local as well as systemic manifestations and happens due to the proliferation of fungi of the Candida genus. The treatment of this pathology is carried out with antifungal agents, but due to the resistance of the fungi that cause this disease, it is necessary to know other antifungal agents. The antimicrobial action of the hydroethanolic extract of Spondias mombin L. is already known and it is essential that the antibiofilm activity of the substances be researched, since these fungi cause illness when they accumulate and proliferate. Knowing that, this study aimed to investigate the antifungal and antibiofilm action of the hydroethanolic extract (EH) of Spondias mombin L. and its fractions, against fungi of the genus Candida, of clinical importance. For this, the minimum inhibitory concentration was determined through the use of disks and the technique of microdilution in broth, minimum inhibitory concentration of adhesion, determination of the fungal death curve and antibiofilm activity of the fractions of phenolic acids, flavonoids and tannin, against the fungi Candida albicans, Candida tropicalis, Candida Krusei and Candida Glabrata, using nystatin (100,000 IU) as a positive control, in triplicate. It was seen that the antifungal and antibiofilm activity of EH and its analyzed fractions exists, however, when we compare the fractions with EH, the latter showed better activity at its highest concentrations (500 µg/mL e 250 µg/mL) and when we draw the comparison between the antifungal and antibiofilm action of the tested substances and the control group, we had better results than the control group against the tested fungi. Thus, it was possible to conclude that the hydroethanolic extract presented superior results of antifungal activity against all tested microorganisms, except C. krusei and antibiofilm against at least one of the Candida species and that this extract had very similar results and, for times higher than the control group (AU).


Subject(s)
Candidiasis, Oral/pathology , Anacardiaceae/microbiology , Phytotherapy , Anti-Bacterial Agents , In Vitro Techniques , Analysis of Variance
2.
An. bras. dermatol ; 93(3): 356-361, May-June 2018. tab, graf
Article in English | LILACS | ID: biblio-949881

ABSTRACT

Abstract: BACKGROUND: Candidiasis is the most common opportunistic fungal infection of the oral cavity caused by fungi of the genus Candida and usually associated with immunosuppressed individuals. OBJECTIVES: To evaluate the presence of oral candidiasis and identify the presence of Candida spp. in liver transplant recipients and assess the association between the presence of the fungus and sociodemographic variables, dietary habits and environmental exposure. METHODS: A cross-sectional study was performed with 49 patients who had undergone liver transplants at Hospital São Vicente de Paulo in Passo Fundo - RS. Patient information was collected to obtain sociodemographic data, eating habits and environmental exposure. Fungal infections were screened by oral clinical examination and the presence of Candida spp by the collection of oral samples with a sterile swab, seeded in Sabouraud Dextrose Agar, incubated at 25°C and observed at 48 hours. To identify Candida albicans, the germ tube test was performed. RESULTS: In 49 patient samples, 39% had the yeast of the genus Candida isolated and, of these patients, 12% had candidiasis, 66% of atrophic type and 34% pseudomembranous. Eleven yeast species were (58%) Candida non-albicans and eight (42%) Candida albicans. STUDY LIMITATIONS: The present study presents as a limitation the inclusion of patients in different stages of immunosuppression. CONCLUSION: The high incidence of Candida non-albicans in the oral cavity of transplant patients with a long period of transplantation is warning to a more effective control of the health of these individuals, especially those with older age.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Young Adult , Opportunistic Infections/microbiology , Candida/isolation & purification , Candidiasis, Oral/diagnosis , Liver Transplantation , Mouth/microbiology , Candida/classification , Candidiasis, Oral/pathology , Cross-Sectional Studies , Immunocompromised Host , Antifungal Agents/therapeutic use
3.
Braz. oral res. (Online) ; 32: e92, 2018. tab, graf
Article in English | LILACS | ID: biblio-952164

ABSTRACT

Abstract Despite the large number of published studies about oral candidiasis and associated risk factors, reports of large single-center retrospective studies on the prevalence of oral candidiasis, risk factors, and the oral candidiasis types diagnosed more frequently in oral diagnostic reference centers are scarce. The objective of the present study was to retrospectively survey the demographic and clinical profiles of 1,534 patients diagnosed with candidiasis and treated at the Center for Diagnosis of Oral Diseases (CDOD), Pelotas Dental School, Federal University of Pelotas between 1997 and 2014. Using a retrospective, cross-sectional, epidemiological design, data on race, gender, age, systemic diseases, oral candidiasis type and location, symptoms, and harmful habits such as smoking and alcohol consumption were collected. The statistical analysis was performed using STATA version 13.1. Risk factors for chronic atrophic candidiasis (CAC) were evaluated using Poisson regression with robust variance (p ≤ 0.05). The majority of patients with oral candidiasis seen at the CDOD over the 18-year period of analysis were Caucasian women, aged 51-60 years, nonsmokers, and nondrinkers, with no systemic disease, and who wore some form of dental prostheses. CAC was the single most common clinical type of candidiasis detected, and the most frequently affected oral site was the palate. These data from a large single-center in Brazil agree with previous evidence about the clinical and demographic profiles of patients with oral candidiasis.


Subject(s)
Humans , Male , Female , Aged , Candidiasis, Oral/etiology , Candidiasis, Oral/epidemiology , Brazil/epidemiology , Candidiasis, Oral/pathology , Poisson Distribution , Medical Records/statistics & numerical data , Chronic Disease , Prevalence , Cross-Sectional Studies , Retrospective Studies , Risk Factors , Dental Prosthesis/adverse effects , Sex Distribution , Age Distribution , Middle Aged
4.
Full dent. sci ; 6(24): 502-505, set.2015. ilus, graf
Article in Portuguese | LILACS | ID: lil-777671

ABSTRACT

O objetivo desse trabalho foi isolar leveduras do gêneroCandida de amostras da saliva de pacientes usuários de prótese total convencional e prótese total acrílica fixa sobre implantes, atendidos em um consultório particular do município de Vitória da Conquista-BA. Os dados foram coletados a partir de 20 amostras, sendo 10 de prótese total convencional e 10 de prótese total fixa sobre implantes. UmμL de cada amostra foi semeada com alça de Drigaslski em ágar Sabouraud dextrose com cloranfenicol em duplicata e, em seguida, foram incubadas a 35°C±2/ 24h e mais 5 dias à temperatura ambiente para verificação de crescimento de unidades formadoras de colônia por mililitro (UFC.mL-1). Os dados obtidos em UFC.mL-1 foram transformados em logaritmo (Log) e submetidos tanto à análise descritiva quanto ao teste estatístico ANOVA (5%). Com base na análise estatística realizada não houve diferença para valores de p> 0,05, foi observado no grupo de usuários com prótese total removível (médialog = 1,65 UFC.mL-1, desvio padrão ± 0,52) e nas amostras de usuários de prótese total fixa (médialog = 2,01 UFC.mL-1 desvio padrão ± 0,60 ). Foram encontrados micro-organismos do gênero Candida em ambos os grupos, não havendo diferença estatística entre eles...


The aim of this study was to evaluate the presence of Candida spp in samples of saliva from users of removable denture and implant-supported fixed denture users, treated at a private practice of Vitoria da Conquista (BA- Brazil). Data were obtained from 20 unstimulated saliva samples, with 10 users of conventional dentures and 10 users of implant-supported denture. One ml of each sample was plated using pour plate technique on Sabouraud dextrose agar with chloramphenicol and Chromagar in duplicate and then incubated at 35°C ± 2/24h and for aditional 5 days at room temperature to check growth of colony forming units per milliliter (UFC.mL-1). Data from UFC.mL-1 were transformed into logarithm (Log) and submitted to statistical analysis using the ANOVA test (5%). Based on the analysis there was no difference in the number of UFC.mL (p> 0.05). Values were observed in removable denture wearers group: Candida (Medialog = 1.65 UFC.mL-1, SD ± 0.52), and fixed dentures user group: (Medialog = 2.01 UFC. ml -1 SD ± 0.60). Candida was found in both groups. There was no statistical difference in the number of UFC.ml between groups...


Subject(s)
Humans , Male , Female , Young Adult , Middle Aged , Candidiasis, Oral/pathology , Oral Hygiene , Dental Implantation , Denture, Complete , Analysis of Variance , Fungi
5.
Full dent. sci ; 6(24): 537-540, set.2015. graf
Article in Portuguese | LILACS | ID: lil-777676

ABSTRACT

Este trabalho teve como objetivo isolar e identificar leveduras do gêneroCandida isoladas de amostras bucais de crianças na faixa etária de 2 a 8 anos com paralisia cerebral, atendidas na associação de pais e amigos dos excepcionais (APAE) em um município do interior da Bahia e atendidas em unidade de saúde da família do mesmo município. Amostras de saliva de 20 crianças (2-8 anos) foram coletadas com auxílio de swabe encaminhadas para processamento no laboratório de Microbiologia onde foram semeadas em Agar Sabouraud Dextrose com cloranfenicol em duplicata e, em seguida, foram incubadas a 35°C±2/ 24h e mais 5 dias à temperatura ambiente para verificação de crescimento de unidades formadoras de colônia por mililitro (UFC.mL-1). Os dados obtidos em UFC.mL-1 foram transformados em logaritmo (Log) e submetidos tanto à análise descritiva quanto ao teste estatístico ANOVA (5%) para observação de diferenças de relevância estatística. Todos os isolados de amostra bucal de crianças do grupo com paralisia cerebral apresentaram positividade para espécies de leveduras do gênero Candida. No grupo de crianças com paralisia cerebral houve um maior isolamento de leveduras de gênero Candida (médialog = 1,8 UFC.mL-1) nas amostras bucais em relação ao grupo de crianças controle (médialog = 0,6 UFC.mL-1). Crianças portadoras de paralisia cerebral apresentam um índice aumentado de espécies de Candida na cavidade bucal que, juntamente com outras condições odontológicas peculiares, predispõem ao aparecimento de candidíases e requerem preparo da equipe de saúde bucal para obtenção de melhores resultados no tratamento direcionado a essa população...


This study aimed to isolate and identify Candida species from oral samples of 2-8 years children with cerebral palsy from the Association of Parents and Friends of Exceptional (APAE) and assisted at the family health unit at a town in the interior of Bahia. Saliva samples from 19 children were collected with a swab and sent for processing in the microbiology laboratory where they were plated on Sabouraud Dextrose Agar with chloramphenicol in duplicate and then incubated at 35°C±2 for 24h and then 5 days at room temperature to check the growth of colony-forming units per milliliter (UFC.mL-1). Data from UFC.mL-1 were transformed into logarithm (Log) and submitted to descriptive analysis and ANOVA (5%) to observe statistic differences. All oral isolates of children with cerebral palsy were positive for Candida yeast species. Greater isolation of Candida yeasts (medialog = 1.8 UFC.mL-1) was observed in the group of children with cerebral palsy when compared to control group (medialog = 0.6 UFC. mL-1). Children with cerebral palsy have an increased rate of Candida species in the oral cavity, along with other peculiar dental conditions that predispose to candidiasis. Thus proper training of the oral health team is required in order to achieve better results in the treatment of this population...


Subject(s)
Humans , Male , Female , Child, Preschool , Child , Microbiological Techniques/methods , Mouth/pathology , Cerebral Palsy , Candida/immunology , Analysis of Variance , Candidiasis, Oral/diagnosis , Candidiasis, Oral/pathology
6.
An. bras. dermatol ; 90(3): 321-326, May-Jun/2015. tab, graf
Article in English | LILACS | ID: lil-749658

ABSTRACT

Abstract BACKGROUND: Lichen planus is considered to be the most common dermatological disease involving the oral mucosa. OBJECTIVE: To investigate the profile, clinical features, and the presence of dysplasia and candidiasis in patients with oral lichen planus. METHODS: A total of 21 patients were selected from 258 patients at risk for oral cancer development. RESULTS: Most of the patients were white (76,2%), female (66,6%), with mean age of 58.8 years. Eight were smokers and seven were alcohol consumers. The buccal mucosa was the most affected site, followed by the tongue and the gingiva. The reticular pattern was the most common appearance. Histopathology depicted dysplasia in nine cases and cytopathology was positive for Candida in eight cases in the first appointment. CONCLUSION: Our data are similar to the literature. Cytopathology was important for the diagnosis of candidiasis. Although the presence of dysplasia was verified, further studies are necessary to clarify the importance of this finding. .


Subject(s)
Humans , Male , Female , Middle Aged , Candidiasis, Oral/pathology , Lichen Planus, Oral/pathology , Biopsy , Severity of Illness Index , Candidiasis, Oral/complications , Retrospective Studies , Risk Factors , Lichen Planus, Oral/complications , Mouth Mucosa/pathology
7.
An. bras. dermatol ; 89(4): 641-644, Jul-Aug/2014. graf
Article in English | LILACS | ID: lil-715547

ABSTRACT

Chronic mucocutaneous candidiasis is a rare disorder characterized by persistent and recurrent infections by Candida due to changes in cellular immunity and may be associated with autoimmune endocrine disorders. It is refractory to the usual antifungal treatments, which merely control it with imidazole derivatives. This reports the case of a 50-year-old female patient who referred vaginal discharge associated with vulvar ulcerated lesions and whitish plaques on oral and genital mucous membranes of onset in adolescence besides cutaneous horns in nipples. The clinical picture, family history, culture and anatomopathological studies were consistent with chronic infection by candida. Treatment with systemic antifungals obtained partial response of lesions characterizing a clinical picture of Chronic Mucocutaneous Candidiasis.


Subject(s)
Female , Humans , Middle Aged , Candidiasis, Chronic Mucocutaneous/pathology , Nipples/pathology , Skin/pathology , Antifungal Agents/therapeutic use , Biopsy , Candidiasis, Chronic Mucocutaneous/drug therapy , Candidiasis, Oral/drug therapy , Candidiasis, Oral/pathology , Candidiasis, Vulvovaginal/drug therapy , Candidiasis, Vulvovaginal/pathology , Fluconazole/therapeutic use , Treatment Outcome , Tongue/pathology , Vulva/pathology
8.
Full dent. sci ; 5(17): 199-205, jan. 2014. ilus, graf
Article in Portuguese | LILACS, BBO | ID: lil-706315

ABSTRACT

As próteses totais mucossuportada têm por objetivo reabilitar o sistema estomatognótico de pacientes desdentados totais, restabelecendo a saúde das estruturas de suporte bucais. Apesar da constante busca pela perfeição na confecção de próteses totais, lesões como a Candidíase podem estar associadas ao seu uso. O objetivo deste trabalho foi apresentar um caso clínico de estomatite protética tratada por meio da Terapia Fotodinâmica Antimicrobiana (aPDT), associada ao tratamento protético. O presente estudo mostrou que a luz emitida pelo laser associada ao CHIMIOLUX© foi eficiente em reduzir o número de células de C. albicans e regredir as manifestações clínicas da candidíase atrófica crônica. Assim, aPDT pode ser considerada uma alternativa viável ao tratamento coadjuvante para as lesões fúngicas intraorais e alternativa terapêutica para desinfecção de PTM. Apesar da eficiência da aPDT, a necessidade de orientar o paciente quanto … mudança de hábitos de higiene bucal e utilização de próteses adaptadas são de grande importância na manutenção da saúde dos tecidos orais


Complete mucous membrane-supported dentures aim to rehabilitate the stomatognathic system of edentulous patients, restoring oral health. Even with a constant search to improve complete dentures’ manufacturing process some adverse effects such as candidiasis may still occur. The aim of this study was to present a clinical case of denture stomatitis treated by Antimicrobial Photodynamic Therapy (aPDT), associated with prosthetic treatment. This study showed that the laser light associated with CHIMIOLUX© is effective in reducing the number of cells of C. albicans and to reverse clinical manifestations of chronic atrophic candidiasis. Thus, the aPDT can be considered a viable alternative to adjuvant treatment for denture stomatitis caused by C. albicans and to reverse clinical manifestations of chronic atrophic candidiasis. The aPDT can also be used for disinfection of complete dentures. Despite the efficiency of the aPDT, counseling the patients about oral hygiene and the use of adapted prostheses has great importance in preserving the health of oral tissues


Subject(s)
Humans , Female , Middle Aged , Candidiasis, Oral/diagnosis , Candidiasis, Oral/pathology , Denture, Complete , Laser Therapy , Maxilla , Photochemotherapy , Stomatitis, Denture/diagnosis , Stomatitis, Denture/pathology , Radiography, Dental/methods , Radiography, Dental
9.
Acta odontol. venez ; 50(1): 19-29, 2012. tab
Article in Spanish | LILACS, LIVECS | ID: lil-676734

ABSTRACT

Las complicaciones estomatológicas (CE) en pacientes VIH+ muchas veces constituyen los primeros signos clínicos de la enfermedad, pudiendo funcionar como señalizadores del curso y progresión de la infección por el VIH y el SIDA. Este estudio evaluó la prevalencia de lesiones orales en pacientes VIH+ del Hospital de Enfermedades Infectocontagiosas Gizelda Trigueiro, en Natal-RN, Brasil y correlacionarlas con factores socio-demográficos como el sexo, edad, forma de contagio y status inmunológico. De acuerdo con los criterios de la EC-CLEARINGHOUSE/WHO, a través de examen clínico oral y conteo de células T CD4+ fueron evaluados 121 pacientes VIH+. Las lesiones más frecuentes fueron candidiasis (45.2%), leucoplasia vellosa (16.1%), eritema gingival linear (16.1%), herpes labial (12.9%), periodontitis necrosante (6.5%) y gingivitis necrosante (3.2%), ocurriendo con mayor frecuencia en hombres entre las edades de 30 a 44 años, que adquirieron el VIH a través de contacto sexual. Basado en los resultados de este estudio concluyese que hubo una prevalencia del perfil de complicaciones estomatológicas comúnmente relatado en la literatura. Las lesiones estuvieron asociadas a la reducción del número de células TCD4+, representando, por lo tanto marcadores de la progresión de la infección por el virus y/o de falla de la HAART, siendo así, un exhaustivo examen oral es importante en la evaluación clínica y acompañamiento de pacientes con VIH.


The stomatologic complications due to VIH infection are, a lot of times, the first clinical signs of the disease. These injuries may also function as beepers and sentries of the curse and progression of the VIH infection and SIDA. The objective of this work was to evaluate the prevalence of the oral injuries in VIH positive patients from the Hospital of Infected contagious Gizelda Trigueiro in Natal-RN, Brazil, and correlate them with demographic factors such as gender, age, form of VIH infection and immune status (T CD4+ cells). According to the criteria of EC-CLEARINGHOUSE/WHO, through clinical oral examination and T CD4+ cell count 121 patients were evaluated. The oral candidiasis was the most common lesion (45.2%), followed by oral hairy leukoplakia (16.1%), linear gingival erythema (16.1%), lips herpes (12.9%), necrotizing periodontitis (6.5%) and necrotizing gingivitis (3.2%), occurring predominantly in men between the ages 30 to 44 years, who acquired VIH infection through sexual contact. Based on the results of this study, concluded that there was a prevalence of the stomatologic complications profile that is commonly reported in the literature. These changes were associated with a decrease in the number of CD4+ T cells, representing markers of the infection progression and / or failure of HAART, so a thorough oral examination is important in clinical evaluation and follow up of patients with VIH.


Subject(s)
Humans , Male , Female , Adult , HIV , Mouth Diseases/complications , Mouth Diseases/diagnosis , Mouth Diseases/immunology , Acquired Immunodeficiency Syndrome/complications , Acquired Immunodeficiency Syndrome/immunology , Candidiasis, Oral/pathology , Gingival Diseases/pathology , Herpes Labialis/pathology , Periodontitis/pathology
10.
Article in Portuguese | LILACS, BBO | ID: lil-655283

ABSTRACT

Objetivo: O propósito desse estudo foi identificar a atividade antifúngica de óleos essenciais sobre cepas de Candida envolvidas com infecções da cavidade bucal. Método: Foram avaliados óleos essenciais obtidos a partir das seguintes espécies vegetais: Citrus reticulata (Tangerina Cravo); Citrus aurantifolia (Limão Tahiti); Cinnamomum zeylanicum (Canela); Matricaria chamomilla (Camomila Azul); Mentha piperita (Menta); Eugenia uniflora (Pitanga) e Zingiber officinale (Gengibre). A determinação da atividade antifúngica foi realizada utilizando a técnica de difusão em meio de cultura sólido, onde discos de papel de filtro foram embebidos nos óleos e colocados em placas de Petri contendo agar Sabouraud Dextrose inoculado com cepas de Candida albicans e C. tropicalis. Também foi observada a concentração inibitória mínima a partir do método da microdiluição. Os ensaios foram realizados em duplicata. Resultados: Foi observada expressiva atividade antifúngica dos óleos essenciais de C. zeylanicum, C. aurantifolia e M. piperita, que apresentaram diâmetros de halos de inibição de crescimento microbiano de até, respectivamente, 48 mm, 30 mm e 19 mm. Ainda foi possível identificar que 66,7% das cepas ensaiadas mostraram-se resistentes aos óleos essenciais de C. reticulata, M. chamomilla, E. uniflora e Z. officinale. O C. zeylanicum e nistatina apresentaram, respectivamente, CIMs de 312 µg mL-1 e 32 µg mL-1. Conclusão: Os óleos essenciais avaliados apresentam atividade antifúngica, sendo os melhores resultados encontrados para C. zeylanicum. Sugere-se a realização de outros ensaios para avaliação de atividade anti-Candida desse óleo essencial, que pode representar possível agente terapêutico no tratamento de infecções fúngicas da cavidade bucal


Objective: The purpose of this study was to identify the antifungal activity of essential oils on Candida strains involved in oral cavity infections. Methods: essential oils obtained from the following species were evaluated: Citrus reticulata (Cravo Tangerine) Citrus aurantifolia (Tahiti Lime), Cinnamomum zeylanicum (Cinnamon), Matricaria chamomilla (Blue Chamomile), Mentha piperita (Mint), Eugenia uniflora (Pitanga) and Zingiber officinale (Ginger). The determination of antifungal activity was performed using the diffusion technique on solid medium, where filter paper discs were soaked in oils and placed in Petri dishes containing Sabouraud dextrose agar inoculated with strains of Candida albicans and C. tropicalis. It was also observed the minimum inhibitory concentration from the microdilution method. Tests were performed in duplicate. Results: We observed significant antifungal activity of essential oils ofC. zeylanicum, C. aurantifolia and M. piperita, which had halos of microbial growth inhibition with diameters up to 48 mm, 30 mm and 19 mm, respectively. Still, it was possible to identify that 66.7% of strains tested were resistant to essential oils of C. reticulata, M. chamomilla, E. uniflora and Z. officinale. C. zeylanicum and nystatin showed µg mL-1 and 32 µg mL-1 MIC, respectively. Conclusion: The essential oils tested have antifungal activity, with best results for C. zeylanicum. It is suggested to conduct other tests for evaluation of anti-Candida activity of this essential oil, which could represent possible therapeutic agent in the treatment of fungal infections of the oral cavity


Subject(s)
Candida/pathogenicity , Candidiasis, Oral/diagnosis , Candidiasis, Oral/pathology , Plants, Medicinal , Plants, Medicinal/microbiology , Disk Diffusion Antimicrobial Tests/methods , Oils, Volatile/administration & dosage , Oils, Volatile/therapeutic use
12.
Rev. AMRIGS ; 53(3): 241-245, jul.-set. 2009. tab
Article in Portuguese | LILACS | ID: lil-566956

ABSTRACT

Introdução: A candidíase constitui uma das infecções oportunistas mais frequentes em pacientes oncológicos, sendo resultado do desequilíbrio da ecologia do ambiente, em virtude dos tratamentos antineoplásicos. Objetivo: Investigar através de uma revisão sistemática as intervenções para o tratamento de candidíase orofaríngea em pacientes com câncer de cabeça e pescoço. Metodologia: Consulta em bases de dados eletrônicos MEDLINE, LILACS e BBO, cuja coleta de dados incluiu estudos de intervenção (ensaio clínico), apresentando desfechos relacionados à avaliação clínica e microbiológica da candidíase através dos antifúngicos. As estratégias de buscas utilizadas incluíram como palavras: cancer and (oral or bucal or neck or head) and (treatment or therapy), nos idiomas português, inglês e espanhol, no período de 1966 a 2007. Resultados: Foram selecionados três estudos, todos no idioma inglês, sendo que apenas um objetivou avaliar a resposta dos indivíduos ao fluconazol e os demais compararam a resposta do fluconazol a outras drogas (voriconazol, itraconazol e anfotericina B). Conclusão: O fluconazol apresentou melhores resultados, sendo eficaz em debelar a candidíase orofaríngea. No entanto, deve-se atentar para a resistência de determinadas linhagens de cândida ao fluconazol, devendo o profissional ser capaz de escolher o medicamento de melhor efeito para cada caso.


Introduction: Candidiasis (thrush) is one of the most common opportunistic infections among cancer patients, being a result of an imbalance in the environmental ecology because of the antineoplastic therapies. Aim: To investigate through a systematic review the available interventions for treatment of oral candidiasis in patients with head and neck cancer. Methods: A review was made of electronic databases MEDLINE, LILACS and BBO, in which data collection included intervention studies (clinical trials) presenting outcomes related to clinical and microbiological evaluation of candidiasis through antifungal drugs. The search strategies included words like cancer and (oral or buccal or neck or head) and (treatment or therapy), in Portuguese, English and Spanish, from 1966 to 2007. Results: Three studies were selected, all written in English, one of which evaluating patient response to fluconazole and the other two comparing response to fluconazole with other drugs (voriconazole, itraconazole and amphotericin B). Conclusion: Fluconazole presented the best results, being effective to suppress oral candidiasis. However, the resistance of certain candida strains to fluconazole must be considered, so as to be able to select the drug that is most likely to succeed in each particular case.


Subject(s)
Humans , Candidiasis, Oral/complications , Candidiasis, Oral/diagnosis , Candidiasis, Oral/epidemiology , Candidiasis, Oral/pathology , Candidiasis, Oral/prevention & control , Meta-Analysis as Topic , Head and Neck Neoplasms/complications , Head and Neck Neoplasms/diagnosis , Head and Neck Neoplasms/epidemiology , Antifungal Agents/adverse effects , Antifungal Agents/therapeutic use , Fluconazole , Itraconazole
13.
J. appl. oral sci ; 16(4): 247-250, July-Aug. 2008. tab
Article in English | LILACS | ID: lil-486491

ABSTRACT

The objective of this study was to evaluate the incidence, anatomic localization and yeast species isolated from each clinical type of oral candidiasis. The clinical samples were obtained from 67 patients with AIDS with CD4 cell counts below 200 cells/mm³ and hospitalized in a public hospital (Eduardo de Menezes Hospital) in the city of Belo Horizonte, MG, Brazil. Yeasts were isolated using Chromagar® Candida. The results show that 50.7 percent of these patients had oral candidiasis. The pseudomembranous form was the most frequent clinical manifestation of oral candidiasis, followed by the erythematous and angular cheilite forms. The most common site of these clinical forms of oral candidiasis was the tongue. Candida albicans was the most common yeast species isolated from the lesions. However, other species were also found to be associated with these forms of oral candidiasis.


Subject(s)
Female , Humans , Male , AIDS-Related Opportunistic Infections , Candidiasis, Oral/complications , AIDS-Related Opportunistic Infections/microbiology , AIDS-Related Opportunistic Infections/pathology , Brazil , Candida albicans/isolation & purification , Candidiasis, Oral/microbiology , Candidiasis, Oral/pathology , Tongue Diseases/complications , Tongue Diseases/microbiology
15.
Braz. oral res ; 18(3): 202-207, jul.-set. 2004. ilus, tab
Article in English | LILACS | ID: lil-383281

ABSTRACT

O objetivo deste estudo foi analisar o efeito da sialoadenectomia sobre o desenvolvimento da candidose oral após uma ou quatro inoculações de Candida albicans. Inicialmente, uma suspensão contendo 108 células/ml de C. albicans ATCC 36801 foi preparada. Setenta e oito camundongos sialoadenectomizados e mesma quantidade de camundongos com fluxo salivar normal receberam uma única inoculação de suspensão de C. albicans. Outro grupo, com o mesmo número de camundongos, recebeu 4 inoculações. O grupo controle consistiu de 6 camundongos sialoadenectomizados e 6 com fluxo salivar normal que não foram inoculados com C. albicans. O desenvolvimento de candidose foi estudado histologicamente na língua dos animais em períodos de 1, 2, 3, 5 e 8 dias após a inoculação e em intervalos de 15 dias até 165 dias. De acordo com os resultados obtidos, conclui-se que a sialoadenectomia e uma maior freqüência de inoculação influenciaram na presença e extensão das lesões de candidose.


Subject(s)
Animals , Male , Mice , Candida albicans/isolation & purification , Candidiasis, Oral/microbiology , Submandibular Gland/surgery , Xerostomia/complications , Candida albicans/pathogenicity , Candidiasis, Oral/pathology , Disease Models, Animal , Time Factors
16.
Actas odontol ; 1(1): 53-62, ene.-jun. 2004.
Article in Spanish | LILACS | ID: lil-520834

ABSTRACT

La candidiasis oral (CO) es una infección frecuente de la mucosa bucal provocada por hongos la familia de la Cándida spp. Estoshongos son integrantes de la flora bucal habitual pero, por diferentes factores locales y sistémicos, pueden transformarse en lainfección denominada CO.En este trabajo se presentan los factores locales y sistémicos que favorecen la infección por Cándida spp, se revisan las diferentesformas clínicas de presentación y los métodos de diagnóstico más empleados. Se presentan, además, las características especialesde esta infección en los pacientes VIH - SIDA.


Oral candidiasis (OC) is a frequent infection of the oral cavity due to fungus of the Candida spp. Those microorganisms aremembers of bucal flora but local and systemic factors collaborates to produce an infection called Oral candidiasis.We review those factors; the clinical forms of presentation of the OC and the laboratories diagnostic methods. Also, the presentationof this infection in HIV – AIDS patients are reviewed.


Subject(s)
Humans , Candidiasis, Oral/diagnosis , Candidiasis, Oral/etiology , Candidiasis, Oral/pathology , Candidiasis, Oral/therapy , HIV Infections/complications , Mycoses/pathology , Mouth Mucosa/microbiology
17.
Rev. bras. patol. oral ; 3(1): 3-6, jan.-mar. 2004. ilus, tab
Article in Portuguese | LILACS, BBO | ID: lil-404233

ABSTRACT

A Glossite Rômbica Mediana (GRM) apresenta-se como uma área despapilada, de formato oval ou rombóide, localizada na linha média, em frente ao ápice do "V" formado pelas papilas circunvalares no terço posterior e/ou médio do dorso lingual. A prevalência desta entidade na população é baixa (inferior a 1 por cento), não havendo distinção quanto ao sexo e a raça dos indivíduos. No entanto, é fundamental saber diagnosticá-la, buscando com isto realizar o diagnóstico diferencial com outras patologias de língua. Esse estudo procurou avaliar a prevalência da GRM, comparando pacientes pediátricos e adultos, de ambos os sexos, com distintas procedências na cidade de Porto Alegre, RS


Subject(s)
Humans , Male , Female , Epidemiology , Glossitis , Candidiasis, Oral/epidemiology , Candidiasis, Oral/etiology , Candidiasis, Oral/pathology
18.
Rev. bras. patol. oral ; 2(2): 4-9, abr.-jun. 2003. ilus, tab
Article in Portuguese | LILACS, BBO | ID: lil-404208

ABSTRACT

A candidíase constitui uma das infecções oportunistas fúngicas mais comuns em pacientes pediátricos oncológicos. Diversos fatores contribuem para a instalação e desenvolvimento de processos infecciosos por espécies de Candida, dentre eles a mielossupressão, o comprometimento do fluxo salivar e as injúrias à mucosa, bem como as lesões de mucosite (MO). Este estudo teve o objetivo de avaliar a ocorrência de candidíase e MO em 40 crianças com neoplasias malignas com idades entre 0 a 15 anos. Foi observado que 5 crianças que se encontravam em tratamento para neoplasias sistêmicas desenvolveram em conjunto 10 lesões de candidíase, porém sem diferença estatisticamente significativa na ocorrência desta complicação entre as crianças com neoplasias sistêmicas e aquelas com tumores sólidos (p = 0,08). A MO foi observada em 13 crianças com neoplasias sistêmicas (n = 25) e 3 com tumores sólidos (n = 15), sem diferença estatisticamente significativa na ocorrência desta complicação entre as crianças com neoplasias sistêmicas e aquelas com tumores sólidos (p = 1,69). A ocorrência de MO e a falta de higiene oral, entre outros fatores, pode contribuir com a instalação e desenvolvimento de candidíase


Subject(s)
Humans , Male , Female , Infant, Newborn , Infant , Child, Preschool , Child , Adolescent , Mouth Neoplasms , Neoplasms , Candidiasis, Oral , Candidiasis, Oral/etiology , Candidiasis, Oral/pathology
19.
Rev. microbiol ; 30(4): 335-41, out.-dez. 1999. tab
Article in English | LILACS | ID: lil-286788

ABSTRACT

Fifty individuals of both sexes aged on average 45.2 years were evaluated at the Semiology Clinic of FORP-USP in order to isolate and identify yeasts from the oral cavity, with and without lesions, and to determine the maximal inhibitory dilution (MID) of the commercial products Propolis (Apis-Flora) and Periogard (Colgate) against the strains isolated. Yeasts of the genus "Candida" were detected in the saliva of 9.19 (47.4(per cent)) individuals with clinically healthy mouth, 18/22 (81.8(per cent)) of individuals with oral lesions, and in 4/9 (44.4(per cent)) of patients with deviation from normality, and were detected in 19/22 (86.4(per cent)) of the lesions. In the group with oral candidiasis, we isolated in tongue and lesion, respectively for each specie: "C. tropicalis" (8(per cent) and 10.7(per cent)), "C. glabrata" (4(per cent)) and 3.6(per cent)) and "C. parapsilosis" (2(per cent) and 3.6(per cent)), in addition to "C. albicans" (71.4(per cent) and 67.8(per cent)) as the only species and the prevalent. The total cfu counts/ml saliva showed a higher mean value in the group with oral candidiasis (171.5E+3) than in the control group (72.6E+3) or the group with abnormalities (8.3E+3). Most of the test strains 67/70 (95.71(per cent)) were sensitive to the antiseptics, with Propolis presenting a MID of 1:20 for 54/70/77.1(per cent)), and Periogard a MID of 1:160 for 42/70 (60(per cent)) strains from healthy sites, results similar to those obtained with strains from oral lesions. Different results were mainly observed among different species. The results indicate the possibility of using the antiseptics Propolis and Periogard (chlorhexidine) for the prevention and treatment of oral candidiasis


Subject(s)
Yeasts/isolation & purification , Candida/isolation & purification , Chlorhexidine/analysis , Candidiasis, Oral/pathology , Diagnosis, Oral , Diagnostic Techniques and Procedures
20.
Rev. Soc. Bras. Med. Trop ; 31(6): 523-527, nov.-dez. 1998. tab
Article in Portuguese | LILACS | ID: lil-463594

ABSTRACT

Opportunistic infections of the oral cavity are primarily caused by Candida and frequently occur in patients with cancer who are undergoing chemotherapy and antibiotic treatment. Of the specimens received from the oral mucosa of 44 patients with cancer, 25 (56.8%) yielded Candida on culture in Sabouraud agar. Twenty four of these isolates were identified as C. albicans (96%) and 1 as C. krusei (4%). The phenotypic characteristics of these isolates showed that all of them were strongly proteolytic, had a high ability to produce phospholipase, and presented the byotypes characterized as 811 (95.8%) and 511 (4.2%) in terms of susceptibility to killer toxins.


Infecções oportunistas da cavidade bucal são primariamente causadas por fungos do gênero Candida e freqüentemente ocorrem em pacientes com câncer que estão sobtratamento quimioterápico e antibacteriano. De 44 amostras coletadas da mucosa oral de pacientes com câncer, observou-se o isolamento de 25 leveduras do gênero Candida em cultivo realizado em ágar Sabouraud-dextrose. Foram identificados Candida albicans em 24 (96%) isolados e C. krusei em 1 (4%). As características fenotípicas das amostras de Candida albicans mostraram que todos os isolados foram fortemente proteolíticos, capazes de produzir fosfolipases e possuíam os biotipos caracterizados como 811(95,8%) e 511 (4,2%) em relação a susceptibilidade às toxinas killer.


Subject(s)
Humans , Candida/isolation & purification , Candida/metabolism , Candidiasis, Oral/complications , Mycotoxins/biosynthesis , Mouth Mucosa/microbiology , Neoplasms/complications , Cell Death , Candida albicans/enzymology , Candida albicans/isolation & purification , Candida albicans/metabolism , Candida/enzymology , Candidiasis, Oral/pathology , Endopeptidases/biosynthesis , Phospholipases/biosynthesis , Microbial Sensitivity Tests , Neoplasms/pathology
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