• Title/Summary/Keyword: Placebo

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The efficacy of dexamethasone injection on postoperative pain in lower third molar surgery

  • Latt, Maung Maung;Kiattavorncharoen, Sirichai;Boonsiriseth, Kiatanant;Pairuchvej, Verasak;Wongsirichat, Natthamet
    • Journal of Dental Anesthesia and Pain Medicine
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    • v.16 no.2
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    • pp.95-102
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    • 2016
  • Background: Surgery on the lower impacted third molar usually involves trauma in the highly vascularized loose connective tissue area, leading to inflammatory sequelae including postoperative pain, swelling, and general oral dysfunction during the immediate post-operative phase. This study aimed to investigate the effectiveness of preoperative injection of a single dose of 8 mg dexamethasone for postoperative pain control in lower third molar surgery. Methods: A controlled, randomized, split-mouth, prospective study involving lower third molar surgery was performed in 31 patients. The randomized sampling group was preoperatively injected, after local anesthesia, with a single dose of dexamethasone (8 mg in 2 ml) through the pterygomandibular space; 2 ml of normal saline (with no dexamethasone) was injected as a placebo. Results: The pain VAS score was significantly different on the day of the operation compared to the first post-operative day (P = 0.00 and 0.01, respectively), but it was not significantly different on the third and seventh postoperative day between the control and study groups. There was a significant reduction in swelling on the second postoperative day, and a difference between the second postoperative day and baseline value in the study group (P < 0.05). Trismus was highly significantly different on the second postoperative day and between baseline and second postoperative day between the groups (P = 0.04 and 0.02, respectively). Descriptive statistics and independent-samples t- test were used to assess the significance of differences. Conclusions: Injection of 8 mg dexamethasone into the pterygomandibular space effectively reduced the postoperative pain and other postoperative sequalae.

Improvement in periodontal healing after periodontal surgery supported by nutritional supplement drinks

  • Lee, Jaeri;Park, Jung-Chul;Jung, Ui-Won;Choi, Seong-Ho;Cho, Kyoo-Sung;Park, Yoo-Kyoung;Kim, Chang-Sung
    • Journal of Periodontal and Implant Science
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    • v.44 no.3
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    • pp.109-117
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    • 2014
  • Purpose: The aim of this study was to determine the effects of nutritional supplements on periodontal health and tooth mobility after surgery. Methods: Patients were randomly assigned to an intervention group who consumed nutritional supplement drinks for 8 weeks, while the placebo group did not receive any such supplements. The gingival index (GI) and tooth mobility were measured at baseline and at 1, 4, and 8 weeks. In addition, the oral health impact profile-14 and anthropometric measurements along with loss of appetite and dietary intake were assessed at baseline and 8 weeks. Results: At 1 week, GI values were reduced in the intervention group (P<0.05), and tooth mobility had increased, but to a lesser extent in the intervention group (P<0.05). At 8 weeks, the intakes of protein, vitamins A and B1, and niacin were increased in the intervention group. Conclusions: These results demonstrate that nutritional supplementation improves early periodontal healing after surgery.

Effects of an electric toothbrush combined with 3-color light-emitting diodes on antiplaque and bleeding control: a randomized controlled study

  • Kwon, Chakyoung;Lee, Jae-Mok;Suh, Jo-Young;Seo, Seung-Jun;Lee, Youngkyun;Kim, Yong-Gun
    • Journal of Periodontal and Implant Science
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    • v.50 no.4
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    • pp.251-259
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    • 2020
  • Purpose: This randomized controlled study aimed to evaluate the effects of an electric toothbrush with 3 colors of light-emitting diodes (LEDs) on antiplaque and bleeding control. Methods: This randomized, placebo-controlled, double-blinded, parallel-group clinical trial included 50 healthy adults with gingivitis, who were randomly assigned to 2 groups. The experimental group used electric toothbrushes with 3 colors of LEDs and the control group used the same electric toothbrush as the experimental group, but with LED sources with one-hundredth of the strength. The subjects used the electric toothbrush 3 times a day for 4 minutes each time. As clinical indices, bleeding on marginal probing (BOMP), the Löe-Silness gingival index (GI), and the Turesky-Quigley-Hein plaque index (QHI) were assessed at baseline, at 3 weeks, and at 6 weeks. Results: There were significant decreases in all clinical indices (BOMP, GI, QHI) in both the experimental and control groups compared to baseline at 3 weeks and at 6 weeks. In a comparison between the experimental and control groups, no statistically significant differences were observed for any clinical indices at 3 weeks (P>0.05). However, at 6 weeks, statistically significant differences were observed between the experimental and control groups in BOMP and GI, which are indicators of gingival inflammation (P<0.05). Conclusions: This study demonstrated that an electric toothbrush combined with 3-color LEDs reduced gingival bleeding and inflammation after 6 weeks.

The Effects of Natural Material Extracted from Rice Bran on Skin in vivo

  • Zhoh, Choon-Koo;Han, Chang-Giu;Hong, Se-Heum;Takuo Tsuno
    • Proceedings of the SCSK Conference
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    • 2003.09b
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    • pp.253-267
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    • 2003
  • Inositol and phytic acic extracted from rice bran were investigated for applying cosmetics. Skin lotions containing 0∼3.0wt% inositol and 0∼1.5wt% phytic acid were applied respectively, to the arm skins of 45 Asian women 20'-40's for 7 weeks. Improvement on moisture was evaluated. In addition, improvements on sebum, elasticity, and wrinkle were examined after applying placebo, Inositol and phytic acid-containing skin lotions for face, respectively. For 1.0 wt% inositol resulted in 19% increase of moisture. The wrinkle reduction and elasticity improved 12.4% and 17.0% on average, respectively. Applying 0.5wt% phytic acid resulted in 71.6% increase the moisture. Improvements on wrinkle and elasticity were 15.9% and 21.9% respectively. Applying inositol or phytic acid regardless of dry or oily, resulted in sebum value recovery to that of the normal skin after 2- 4 weeks. Inositol is inferior to phytic acid in improvenients of the skin, and phytic acid is not suitable to sensitive skin. So 0-0.5wt% of phytic acid were added to 1.0wt% inositol and similar experiments were carried out. In case of added 0.1wt% phytic acid, moisture increased 63.8% approximately. Improvements on elasticity and reduction on wrinkle were 17.2% and 17.4%, respectively. Both skin types were turned to normal skin type after 2 weeks. It could improve the skin condition when used inositol added phytic acid. The optimized concentration of phytic acid was 0.10wt% with 1.0wt% of inositol for synergic effect.

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The Effect of Auricular Acupressure Therapy on Dysmenorrhea for Women Working in the Hospital (이압요법이 병원여성근로자의 월경곤란증에 미치는 효과)

  • Oh, Eun Ju;Jang, Ok Jeom;Jeong, Hyen Ja;Lee, Hae Jin;Kim, Eun Jung
    • Journal of Korean Clinical Nursing Research
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    • v.14 no.1
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    • pp.113-123
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    • 2008
  • Purpose: This study was done to provide support material to traditional nursing interventions through investigation of the effect of Auricular acupressure therapy for female staff in the hospital who have dysmenorrhea but cannot be absent from work even with severe symptoms affecting their work and therefore cannot get proper pain management. Method: The participants in this study were 62 women were working in the G-university hospital in Jin-ju, assigned to experimental (30) and 32 control groups (32). The study method was a quasi-experimental, nonequivalent control group non-synchronized design. The experimental group received acupressure treatment (a pin was attached to tape) on the special stimulation points in the inside of the ear, 5 times for 5 seconds, morning, afternoon, and night. Tape without the pressure pin was applied to the same points for women in the control group to evaluate placebo effect. Data were collected from May to November 2007 and were analyzed using SPSS PC+ 12 version. Descriptive statistics, t-test, $x^2-test$, Fisher's exact test, paired t-test, were used to analyze the data. Results: The experimental group showed a significant decrease in dysmenorrhea compared to the control group (t=-2.743, p<.01). In the sub-part, the experimental group showed menstruation related pain (t=-3.726, p<.01), menstruation related to behavioral change (t=-2.421, p<.05) and symptoms however, there was no significant difference related to attention deficit, water retention, and negative image. Conclusion: Application of auricular acupressure therapy was approved for this study and although auricular acupressure therapy was not effective for all of the symptoms, it was effective for dysmenorrhea.

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Analysis of Decision-Making Situations and Alternatives for Clinical Nurses in a University Hospital (일 대학 병원 임상간호사의 의사결정상황과 대안에 관한 분석)

  • Kim, Myung-Hee;Choi, Won-Hee
    • Journal of Korean Academy of Nursing Administration
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    • v.10 no.4
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    • pp.449-457
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    • 2004
  • Purpose: This study seeks to identify situations where nurses are required to consider alternatives, for the delivery of nursing care, appropriate to the needs of a medical care unit, surgical care unit, and intensive care unit in a university hospital. Method: Data was collected from 100 nurses using an open questionnaire, during a one week period in May, 2003. These nurses all had at least two years of experience within a medical care unit, surgical care unit, or intensive care unit at a university hospital. Results: The situations that nurses typically faced were categorized into 21 problems for nurses including : respiratory problems(26.8%), pain(23.6%), problems in relation to bowel habit(23.2%). In cases where nurses were faced with making decisions in relation to solving respiratory problems, the alternatives included ; applying oxygen(29.3%), physical assessment and monitoring(14.7%), refining and modifying order and suggestion order(9.3%). Ventilator care(9.3%), was chosen to solve pain problems ; doing pm orders(30.3%), placebo medication(27.3%), and to refine and modify orders and suggestions(18.2%). To solve problems in relation to bowel habits ; enemas accounted for 32.3%, and laxative medication 30.8%. Conclusion: To improve the quality of nursing, the outcome of nursing care associated with 21 problems for nurses including : respiratory problems, pain, and problems in relation to bowel habit, should be identified and the best alternative nursing care should be developed.

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Anti-epidermal growth factor receptor (EGFR) monoclonal antibody and DNA topoisomerase inhibitor reduce growth of salivary adenoid cystic carcinoma in a murine model (항-표피성장인자수용체 단클론항체와 DNA 토포이소머라제 억제제에 의한 마우스 모델에서의 타액선 선낭암종 성장 억제)

  • Park, Young-Wook;Lee, Hee-Su
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.36 no.3
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    • pp.177-185
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    • 2010
  • Introduction: Epidermal growth factor receptor (EGFR) is expressed in human epithelial tumors including salivary cancers, and known to be correlated with tumor progression and poor clinical courses in some epithelial tumors. In this study, we determined the therapeutic effect of the anti-EGFR monoclonal antibody Erbitux (C225, cetuximab) in combination with the DNA topoisomerase I inhibitor irinotecan (CPT-11) on human salivary adenoid cystic carcinoma (SACC) cells growing in nude mice. Materials and Methods: At first, immunocytochemical analysis for the expression of EGFR and phosphorylated EGFR (pEGFR) on a human salivary ACC cell line (ACC3). To determine the in vivo effects of Erbitux and CPT-11, nude mice with orthotopic parotid tumors were randomized to receive intraperitoneal Erbitux (1 mg) two times per week, intraperitoneal Irinotecan (50 mg/kg) once per week, Erbitux plus CPT-11, or placebo. (control) Tumor volume and weight were measured. And mechanisms of in vivo activity of Erbitux and/or CPT-11 were determined by immunohistochemical/ immunofluorescent analyses. Results: Immunocytochemical staining of ACC3 demonstrated that EGFR was expressed and phosphorylated. CPT-11 inhibited ACC tumor growth in nude mice. Tumors of mice treated with CPT-11 and CPT-11 plus Erbitux exhibited increased tumor cell apoptosis and decreased microvessel density, which correlated with a decrease in the tumor volume in nude mice. But, CPT-11 seems not to be synergistic with Erbitux in our ACC3 model system. Conclusion: These results suggest that anti-EGFR monoclonal antibody and the DNA topoisomerase I inhibitor will be effective in the treatment of recurred or metastatic lesions of salivary ACC.

Antiplaque and antigingivitis effects of a mouthrinse containing cetylpyridinium chloride, triclosan and dipotassium glycyrrhizinate

  • Shim, Jae-Yong;Yim, Sung-Bin;Chung, Jin-Hyung;Hong, Ki-Seok
    • Journal of Periodontal and Implant Science
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    • v.42 no.2
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    • pp.33-38
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    • 2012
  • Purpose: The goal of this study was to evaluate the clinical anitplaque and antigingivitis effects of a mouthrinse containing cetylpyridinium chloride (CPC), triclosan and dipotassium glycyrrhizinate (DPZ) in patients with gingivitis and mild periodontitis. Methods: Thirty-two subjects were randomized into 2 groups. The test group used a mouthrinse containing 0.05% CPC, 0.02% triclosan and 0.02% DPZ, while the control group used a placebo mouthrinse. At baseline, 2 weeks and 4 weeks, the papillary bleeding index (PBI), Turesky-Quigley-Hein plaque index (PI) and L$\ddot{o}$e-Silness gingival index (GI) were assessed. During the experimental period, the patients used the mouthrinse for 30 seconds, 4 to 5 times/day (10 mL/time) within 30 minutes after toothbrushing. Results: No adverse effects appeared in either the experimental or the control group. Regarding PBI, PI and GI values, statistical significance was detected between values at baseline and 2 weeks for both groups (P<0.05). In the experimental group, statistically significantly lower values were detected at 4 weeks compared to at 2 weeks. However, in the control group, no statistically significant difference was detected between the values at 2 weeks and 4 weeks. Additionally, the mean value after 4 weeks for the control group was slightly higher than the mean value after 2 weeks for the control group. Conclusions: This study for 4 weeks demonstrated that mouthrinses containing CPC, triclosan and DPZ may contribute to the reduction of supragingival plaque and gingivitis.

Systemic review : The study on alternative medicine for allergic rhinitis in Entrez Pubmed (알레르기 비염의 대체의학적 치료에 관한 최근 논문경향 분석 - Entrez Pubmed 위주)

  • Kim, Ja-Hye;Shin, Sang-Ho;Kim, Mi-Bo;Ko, Woo-Shin;Yoon, Hwa-Jung
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.20 no.1 s.32
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    • pp.239-249
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    • 2007
  • Background : Allergic rhinitis is the most frequently occuring immunological disorder. It affects men, women and children and represents significant cost in terms of suffering and loss of productivity. Objective & Methods : We referred to the information through Entrex Pubmed from 2004 to 2007 January about alternative medicine for allergic rhinitis, 9 treatises. Results : About 9 treatises, 2 treatises were for the acupuncture treatment, I treatise was for the acupuncture and chinese herbal medicine, 2 treatises were for the single substance(butterbur, soy sauce ingredients), 1 treatise was for the homeopathic preparation, 1 treatise was for the ayur-veda herbal treatment, 1 treatise was for the ultraviolet light phototherapy, 1 treatise was for the systematic review of alternative medicine. Except 2 treatises for the acupuncture treatment, 6 treatises used the double-blind, randomized, placebo-controlled methods. As a result, we found 5 treatises that treat group had more improvement than control group, 3 treatises that treat group had no difference control group on effect significantly. 1 review article exhibited the most of alternative medical literatures were inadequate methodologically and therapeutic efficacy alternative treatment for allergic rhinitis was not supported by currently available evidence. Conclusion : We found that treatises about the alternative medicine for allergic rhinitis were more and more published. We were supposed that many internal treatises were published adequately by methodology to prove Korean medical treatment effects for allergic rhinitis.

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A Convergence Study on Immediate Effects of kinesio taping on upper extremity pain and muscle activation of lateral epicondyle DOMS (가쪽위관절융기의 지연성 근육통을 유발하여 키네시오 테이핑 적용이 상지의 통증과 근활성도 미치는 즉각적 효과에 관한 융합적 연구)

  • In, Tae-Sung;Kim, Kyung-Hun
    • Journal of the Korea Convergence Society
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    • v.11 no.5
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    • pp.73-80
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    • 2020
  • The purpose of this study was to investigate the immediate effects of kinesio taping on upper extremity pain and muscle activation of lateral epicondyle DOMS. This research is randomized controlled designd study and conducted as a single-blind. Twenty four subjects were participated in this study, All the patients were divided two group, were kinesio taping applied group, placebo kinesio taping applied group. The participants were tested pressure upper extremity pain threshold and muscle activation, pre-post intervention. After raining, the change values of the pain and muscle activation in KT group were significantly greater than PKT group(p<0.05). This findings show that kinesio taping training convergence interventions for lateral epicondyle DOMS pain and upper extremity. Continued development on convergence interventions for lateral epicondyle DOMS with pain and upper extremity in the practice are suggested.