scholarly journals Comparative study in swines' vocal cords healing after excision of fragment with CO2 laser with mitomycin and 5-fluorouracil postoperative topical application

2009 ◽  
Vol 24 (1) ◽  
pp. 13-18 ◽  
Author(s):  
Eduardo Baptistella ◽  
Osvaldo Malafaia ◽  
Nicolau Gregori Czeczko ◽  
Jurandir Marcondes Ribas-Filho ◽  
Paulo Afonso Nunes Nassif ◽  
...  

PURPOSE: To evaluate the deposition of collagen fibers at pig's vocal folds after topical use of mitomycin or 5-fluorouracil, when partial exeresis of mucosa layer had been promoted by CO2 laser. METHODS: There were used 18 Larger white pigs which were anesthetized and submitted to mucosa fragment's exeresis, bilaterally, at its free border. The animals were divided into 3 groups, each one with 6 animals: control group, without topical drug application; mitomycin group; and 5-fluorouracil group. After 30 days, the animals were subjected to euthanasia, and samples of the vocal folds were collected and stained by picrosirius red technique with polarization for quantification of total collagen deposition. RESULTS: In control group, the mean rate of right vocal fold's collagen deposition at submucosa consisted in a 3428.66 micrometers area. There was found an area whose size had, in average, 2196.36 micrometers, in mitomycin group, and 2269.19 micrometers, in 5-fluorouracil group. CONCLUSION: Mitomycin and 5-fluorouracil had promoted beneficial change in vocal fold's cicatrization with less collagen deposition, but there was no significant statistically difference when they were compared between themselves.

2012 ◽  
Vol 2012 ◽  
pp. 1-6
Author(s):  
Abdulmohsen H. Al-Elq ◽  
Mir Sadat-Ali ◽  
Mohamed Elsharawy ◽  
Ibrahim Al-Habdan ◽  
Fatin Othman Al-Aqeel ◽  
...  

Objective. Diminished wound healing is a common problem in diabetic patients due to diminished angiogenesis. SHMSP was found to promote angiogenesis. The present study was carried out to examine the effect of this peptide in healing of wounds in diabetic rabbits.Materials and Methods. Twenty male New Zealand rabbits were used in this study. Diabetes mellitus was induced and the rabbits were randomly divided into two equal groups: control group and peptide group. A-full thickness punch biopsy was made to create a wound of about 10 mm on the right ears of all rabbits. Every day, the wound was cleaned with saline in control groups. In the peptide group, 15 mg of SHMSP was applied after cleaning. On day 15th, all animals were sacrificed, and the wounds were excised with a rim of 5 mm of normal surrounding tissue. Histo-pathological assessment of wound healing, inflammatory cell infiltration, blood vessel proliferation, and collagen deposition was performed.Results. There were no deaths among the groups. There was significant increase in wound healing, blood vessel proliferation and collagen deposition, and significant decrease in inflammatory cell infiltration in the peptide group compared to the control group.Conclusion. Topical application of SHMSP improves wound healing in diabetic rabbits.


2021 ◽  
pp. 019459982110089
Author(s):  
Cristiana Vanderlei de Melo Lins ◽  
João Roberto Maciel Martins ◽  
Elsa Yoko Kobayashi ◽  
Gustavo Polacow Korn ◽  
Sung Woo Park ◽  
...  

Objective The aim of the present study was to investigate hyaluronic acid (HA) concentrations in vocal folds among patients with Reinke’s edema. Study Design Prospective and experimental study. Setting Single tertiary center. Methods An HA binding protein isolated from bovine nasal cartilage was used to identify and isolate the HA from samples. Plates coated with biotin-conjugated binding protein and streptavidin-europium conjugate were sequentially incubated with 18 Reinke’s edema samples and 11 female vocal fold cover samples from cadavers (the superficial layer of the lamina propria; control group). After the release of europium from streptavidin in enhancement solution, final fluorescence was measured in a fluorometer. Results The mean HA concentration in Reinke’s edema vocal folds was significantly higher than that in the control vocal folds (9.2 × 103 vs 0.9 × 103µg/g). Conclusion Vocal fold covers affected by Reinke’s edema present a higher concentration of HA than do vocal fold covers with no edema.


2017 ◽  
Vol 18 (6) ◽  
pp. 506-509 ◽  
Author(s):  
Saurabh Wahi ◽  
Alok Tripathi ◽  
Shradha Wahi ◽  
Vikas D Mishra ◽  
Abhishek P Singh ◽  
...  

ABSTRACT Introduction One of the potential sources for the occurrence of various systemic pathologies, such as cardiovascular diseases, cerebrovascular diseases, and respiratory diseases is periodontitis. Testing of glycosylated hemoglobin (HbA) is a highly standardized procedure and is becoming increasingly popular these days due to its cost-effectiveness and ease of use. Literature quotes numerous studies associating the periodontal diseases with various hemoglobin markers in diabetic and nondiabetic patients. Hence, we planned the present study to assess the levels of HbA in patients with periodontitis among nondiabetic patients. Materials and methods For the present study, a total of 50 nondiabetic subjects who reported to the department with the chief complaint of periodontitis were included. Another set of 50 nondiabetic individuals were included in the present study of comparable age in whom no periodontitis was detected clinically. Clinical examination and radiographic evaluation was performed for the selection of the cases for the study group. The patients were sent to the laboratory after the clinical examination, for the testing of HbA. Testing of the hemoglobin A1c (HbA1c) levels of all the subjects and controls was performed and values were noted and evaluated. Results Nonsignificant results were obtained while comparing the mean HbA1c concentrations among the study group and the control group. Nonsignificant results were obtained while comparing the mean HbA1c levels among males and females. While comparing the mean HbA1c levels between the study group and the control group divided on the basis of body mass index, nonsignificant results were obtained. Conclusion In nondiabetic subjects, no significant correlation could be observed between periodontitis and HbA1c levels. Clinical significance The HbA1c cannot be used as a reliable maker for differentiation of patients with periodontal pathologies from patients free of periodontal pathologies. How to cite this article Wahi S, Tripathi A, Wahi S, Mishra VD, Singh AP, Sinha N. Assessment of Levels of Glycosylated Hemoglobin in Patients with Periodontal Pathologies: A Comparative Study. J Contemp Dent Pract 2017;18(6):506-509.


2021 ◽  
pp. 112972982110310
Author(s):  
Sevda Tüzün Özdemir ◽  
Asiye Akyol

Background: The recurrent arteriovenous fistula (AVF) intervention in the treatment of hemodialysis induces pain in patients. Lavender oil has analgesic, antimicrobial, and calming effects. This oil is widely used in patients to reduce anxiety and stress associated with pain caused by analgesics. Method: The present study is a randomized controlled and experimental clinical trial in which patients ( n = 90) who underwent hemodialysis with AVFs were randomly divided into three groups. The intensity of pain was measured in all patients at three different stages during the insertion of arterial needles for hemodialysis: (1) The topical application of 100% lavender essential oil, (2) the inhaler application of 100% lavender essential oil, and (3) no intervention. The placebo (water) was applied to groups 1 and 2. Results: Our findings revealed that the mean pre-application pain scores in hemodialysis patients were 57.58 ± 20.28 in the working group, 48.53 ± 20.23 in the control group, 19.49 ± 15.66 in the post-application group, and 45.33 ± 25.52 in the control group ( p < 0.005). The average pain scores after the application of lavender oil were 22.66 ± 15.35 in the inhaler lavender group, 16.33 ± 15.97 in the topical lavender group, and 45.33 ± 25.52 in the control group. Conclusions: After inhaler and topical application of lavender oil, a significant decrease in the severity of pain was recorded for patients at the time of arterial insertion of needles.


2010 ◽  
Vol 25 (1) ◽  
pp. 80-85 ◽  
Author(s):  
Vinicius Ribas de Carvalho Duarte Fonseca ◽  
Osvaldo Malafaia ◽  
Jurandir Marcondes Ribas Filho ◽  
Paulo Afonso Nunes Nassif ◽  
Nicolau Gregori Czeczko ◽  
...  

PURPOSE: To evaluate swine vocal fold healing in a period of 30 days after topical mitomycin-C application. METHODS: Twelve swine underwent exeresis of mucosal flaps from the free edge of the anterior third of both vocal folds with a cold instrument (laryngeal scissors). The animals were divided into two groups: EG (Experimental Group), consisting of 6 animals undergoing topical MMC application (4 mg/dL) on the operated area for 4 minutes; CG (Control Group), 6 animals undergoing topical saline solution application on the operated area for 4 minutes. After 30 days, the animals were sacrificed and the larynges were collected and examined for the presence of synechiae as well as a histological immunohistochemical assessment of immature and mature collagen deposition, number of blood vessels and myofibroblasts. RESULTS: Mature collagen deposition in the EG was 452.12 μm² and 1332.31μm² in the CG; immature collagen deposition was 1511.73μm² in the EG and 1020.61μm² in the CG. The number of myofibroblasts was 1.556 in the EG and 3.583 in the CG. The number of blood vessels was 2.565 in EG and 6.917 in the CG. There were no synechiae in the two studied groups. CONCLUSIONS: There was an increase in immature collagen deposition in the experimental group when compared with the control group. There was a decrease in mature collagen deposition in the experimental group when compared with the control group. There was a decrease in the number of myofibroblasts in the experimental group when compared with the control group. A decrease in blood vessels was observed in the experimental group when compared with the control group. There was no synechia formation in either studied group.


2012 ◽  
Vol 13 (5) ◽  
pp. 671-675 ◽  
Author(s):  
Jude J Balan ◽  
BR Premalatha

ABSTRACT Background The mortality and morbidity associated with oral squamous cell carcinoma (OSCC) can be greatly reduced if tumor markers which can detect OSCC at an early stage are available. The use of saliva as an alternative to blood could provide a substantial advantage in sampling convenience. Cancer antigen 125 (CA 125) is a tumor-associated antigen found to be increased in epithelial tumors like oral, breast and ovarian cancers. Aim To determine whether salivary CA 125 levels are increased significantly in OSCC patients than the control group. Materials and methods Sixty OSCC patients and 60 healthy controls were taken for the study. Saliva samples from both the groups were collected, centrifuged and supernatant fluid were subjected to ELISA for assessment of CA 125. The mean salivary CA 125 values of OSCC patients and control group were statistically analyzed using Mann-Whitney U-test. Results The mean salivary CA 125 concentration of OSCC group was 320.25 and that of control group was 33.14. Thus, CA 125 was found to be significantly increased in the saliva of OSCC patients than the control group (p < 0.001). Also, there was significant increase in the CA 125 levels as the stage of OSCC increased. Conclusion The convenience, reliability and noninvasive nature of salivary CA 125 testing makes it a feasible adjunctive diagnostic tool for detection of OSCC. How to cite this article Balan JJ, Rao RS, Premalatha BR, Patil S. Analysis of Tumor Marker CA 125 in Saliva of Normal and Oral Squamous Cell Carcinoma Patients: A Comparative Study. J Contemp Dent Pract 2012;13(5):671-675.


2016 ◽  
Vol 86 (1-2) ◽  
pp. 9-17 ◽  
Author(s):  
Bekir Ucan ◽  
Mustafa Sahin ◽  
Muyesser Sayki Arslan ◽  
Nujen Colak Bozkurt ◽  
Muhammed Kizilgul ◽  
...  

Abstract.The relationship between Hashimoto’s thyroiditis and vitamin D has been demonstrated in several studies. The aim of the present study was to evaluate vitamin D concentrations in patients with Hashimoto’s thyroiditis, the effect of vitamin D therapy on the course of disease, and to determine changes in thyroid autoantibody status and cardiovascular risk after vitamin D therapy. We included 75 patients with Hashimoto’s thyroiditis and 43 healthy individuals. Vitamin D deficiency is defined as a 25-hydroxy vitamin D (25(OH)D3) concentration less than 20ng/mL. Vitamin D deficient patients were given 50.000 units of 25(OH)D3 weekly for eight weeks in accordance with the Endocrine Society guidelines. All evaluations were repeated after 2 months of treatment. Patients with Hashimoto’s thyroiditis had significantly lower vitamin D concentrations compared with the controls (9.37±0.69 ng/mL vs 11.95±1.01 ng/mL, p < 0.05, respectively). Thyroid autoantibodies were significantly decreased by vitamin D replacement treatment in patients with euthyroid Hashimoto’s thyroiditis. Also, HDL cholesterol concentrations improved in the euthyroid Hashimoto group after treatment. The mean free thyroxine (fT4) concentrations were 0.89±0.02 ng/dL in patients with Hashimoto’s thyroiditis and 1.07±0.03 ng/dL in the healthy control group (p < 0.001). The mean thyroid volumes were 7.71±0.44 mL in patients with Hashimoto’s thyroiditis and 5.46±0.63 mL in the healthy control group (p < 0.01). Vitamin D deficiency is frequent in Hashimoto’s thyroiditis and treatment of patients with this condition with Vitamin D may slow down the course of development of hypothyroidism and also decrease cardiovascular risks in these patients. Vitamin D measurement and replacement may be critical in these patients.


2010 ◽  
Vol 69 (3) ◽  
pp. 131-139 ◽  
Author(s):  
Félix Neto

This study investigated mental health problems and their predictors among adolescents from returned immigrant families. The sample consisted of 360 returned adolescents (mean age = 16.8 years; SD = 1.9). The mean duration of a sojourn in Portugal for the sample was 8.2 years (SD = 4.5). A control group of 217 Portuguese youths were also included in the study. Adolescents from immigrant families reported mental health levels similar to those of Portuguese adolescents who have never migrated. Girls showed more mental health problems than boys. Younger adolescents showed fewer mental health problems than older adolescents. Adaptation variables contributed to mental health outcomes even after acculturation variables were accounted for. Implications of the study for counselors are discussed.


Author(s):  
J. Santoantonio ◽  
L. Yazigi ◽  
E. I. Sato

The purpose of this study was to investigate the personality characteristics in adolescents with SLE. The research design is a case-control study by means of the Rorschach Method and the Wechsler Intelligence Scale. Study group: 30 female adolescents with lupus, 12–17 years of age. The SLE Disease Activity Index was administered during the period of psychological evaluation. Control group: 32 nonpatient adolescents were matched for age, sex, and socioeconomic level. In the Wechsler Intelligence Scale the mean IQ of the experimental group was significantly lower than that of the control group (77 and 98, respectively, p < .001). In the Rorschach, the lupus patients showed greater difficulty in interpersonal interactions, although they displayed the resources to process affect and to cope with stressful situations. A positive moderate correlation (p = .069) between the activity index of the disease and the affect constriction proportion of the Rorschach was observed: the higher the SLEDAI score, the lower the capacity to process affect. There is a negative correlation between the activity index of the disease and the IQ (p = .001): with a higher activity index of the disease, less intellectual resources are available.


Sign in / Sign up

Export Citation Format

Share Document