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2.
Lasers Med Sci ; 38(1): 236, 2023 Oct 16.
Artigo em Inglês | MEDLINE | ID: mdl-37843672

RESUMO

Conventional 5-aminolevulinic acid-photodynamic (ALA-PDT) therapy (10-20%) has been widely applied for moderate-to-severe acne. The aim of this study is to investigate the effects of non-ablative Q-switched 1064-nm Nd:YAG laser-assisted ALA-PDT with low concentration (2%) on the treatment of acne vulgaris. Enrolled patients were randomly assigned to 2 groups. One group received combined therapy of 2% ALA-PDT and non-ablative Q-switched 1064-nm Nd:YAG laser, and the other received only 2% ALA-PDT. Patients in each group had received 3-session treatments with 4-week intervals (week 0, 4, and 8). Sebum secretion, melanin index, erythema index, and transepidermal water loss (TEWL) were assessed at week 2, 8, 12, and 24. VISIA® skin image system score and global esthetic improvement scale (GAIS) were also evaluated. Twenty-four participants were enrolled and evenly randomized to two groups. Significant improvement in sebum secretion was noted in combined therapy group compared to the monotherapy group at week 12 (37.5% versus 16.3%), and the improvement would still be noted until week 24 (18.3% versus 17.4%). Combined group also showed more severe melanin index and erythema index after treatment. For VISIA® skin analysis, patients in combined group had better percentile ranking in porphyrins and red-light images. There were no significant differences in GAIS at the end of the follow-up between each group, whereas higher proportion of satisfaction was noted in combined group at week 2. With the assistance of laser, low concentrations (2%) of 5-ALA can provide effective phototoxic reactions in treating acne vulgaris. The satisfaction of patients is high with acceptable adverse effects.


Assuntos
Acne Vulgar , Lasers de Estado Sólido , Fotoquimioterapia , Humanos , Ácido Aminolevulínico/uso terapêutico , Lasers de Estado Sólido/uso terapêutico , Melaninas , Resultado do Tratamento , Fotoquimioterapia/métodos , Acne Vulgar/tratamento farmacológico , Eritema/etiologia
3.
Diagnostics (Basel) ; 13(8)2023 Apr 19.
Artigo em Inglês | MEDLINE | ID: mdl-37189575

RESUMO

The present study aimed to develop an AI-based system for the detection and classification of polyps using colonoscopy images. A total of about 256,220 colonoscopy images from 5000 colorectal cancer patients were collected and processed. We used the CNN model for polyp detection and the EfficientNet-b0 model for polyp classification. Data were partitioned into training, validation and testing sets, with a 70%, 15% and 15% ratio, respectively. After the model was trained/validated/tested, to evaluate its performance rigorously, we conducted a further external validation using both prospective (n = 150) and retrospective (n = 385) approaches for data collection from 3 hospitals. The deep learning model performance with the testing set reached a state-of-the-art sensitivity and specificity of 0.9709 (95% CI: 0.9646-0.9757) and 0.9701 (95% CI: 0.9663-0.9749), respectively, for polyp detection. The polyp classification model attained an AUC of 0.9989 (95% CI: 0.9954-1.00). The external validation from 3 hospital results achieved 0.9516 (95% CI: 0.9295-0.9670) with the lesion-based sensitivity and a frame-based specificity of 0.9720 (95% CI: 0.9713-0.9726) for polyp detection. The model achieved an AUC of 0.9521 (95% CI: 0.9308-0.9734) for polyp classification. The high-performance, deep-learning-based system could be used in clinical practice to facilitate rapid, efficient and reliable decisions by physicians and endoscopists.

4.
JGH Open ; 7(2): 105-109, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-36852150

RESUMO

Background and Aim: Vonoprazan as a new acid blocker has more potency and longer lasting acid suppression than proton pump inhibitors. Whether the efficacy of vonoprazan-based triple therapy is comparable with or even better than that of currently recommended first-line therapies is still unknown. Our study aims to compare the eradication rate and major adverse effects between 7-day vonoprazan-based triple therapy with high-dose amoxicillin and 14-day extended sequential therapy. Methods: We performed a retrospective analysis from the database of 13C-urea breath test at Fu Jen Catholic University Hospital. All patients with a definite diagnosis of Helicobacter pylori infection by rapid urease test, urea breath test, stool antigen test, or pathology report were recruited. Patients receiving first-line regimens with vonoprazan-based triple therapy or extended sequential therapy were included. The respective eradication rate determined by 13C-urea breath test and major adverse effects were demonstrated. Results: Totally, 106 patients were recruited in the vonoprazan-based triple therapy group and 357 in the extended sequential therapy group. There was no significant difference in eradication rate between vonoprazan-based triple therapy with high-dose amoxicillin and extended sequential therapy (83.0 vs 88.8%, P = 0.12). Major adverse effects occurred in 13 of the extended sequential therapy group but none in the other group (0% vs 3.6%, P = 0.046). Conclusions: Seven-day vonoprazan-based triple therapy with high-dose amoxicillin is a potential first-line anti-Helicobacter pylori regimen alternative to current standard treatment, with the advantages of simplicity, short treatment duration, low pill burden, and fewer major adverse effects.

5.
J Clin Med ; 11(13)2022 Jun 28.
Artigo em Inglês | MEDLINE | ID: mdl-35807026

RESUMO

BACKGROUND: Psoriatic disease is a chronic inflammatory disease that is associated with morbidity and a poor quality of life. However, studies on the trends of psoriatic disease incidence are limited. We examined trends in psoriasis and psoriatic arthritis from 2002 to 2016 in Taiwan and distinguished the effects of age, period, and cohort on those trends. METHODS: Data from the National Health Insurance Research Database were analyzed for the annual incidence of psoriasis and psoriatic arthritis. An age-period-cohort model was designed in order to investigate the effects of each age, period, and birth cohort on the incidence. RESULTS: From 2002 to 2016, the incidence of psoriasis significantly decreased from 43.33 to 23.14 per 100,000 persons. The incidence of psoriatic arthritis significantly increased from 3.57 to 5.22 per 100,000 persons. In the age-period-cohort analysis, the net age effect on the incidence of psoriasis and psoriatic arthritis increased with advancing age (6-fold and 7.7-fold difference, respectively). CONCLUSION: The age-period-cohort analysis revealed that the incidence of psoriasis and psoriatic arthritis is associated with older age and early birth cohorts. Elderly individuals in Taiwan may be at a higher risk of developing new-onset psoriasis and psoriatic arthritis.

6.
Medicine (Baltimore) ; 98(33): e16728, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-31415367

RESUMO

The hemi or subtotal/total glossectomy is usually approached by lip-jaw splitting procedure for advanced tongue cancer ablation. This highly invasive procedure can cause facial disfiguration, bone malunion, and osteoradionecrosis. The aim of this study is to compare the surgical outcome in free flap tongue reconstruction between novel parachute technique in an intact jaw and the conventional lip-jaw splitting procedure after tongue cancer ablation.In this study, parachute technique was adopted for free flap inset in patients without mandibulotomy. We retrospectively reviewed patients who have received primary advanced tongue cancer resection and free flap reconstruction during April, 2008 to January, 2015. Patients were divided into 2 groups. Group A was undergoing parachute technique without lip-jaw splitting. We sutured all the strings through the edges of defect in the first step and through the matching points of flap margin in the second step from outside the oral cavity. Then, the strings were pulled and the flap was parachuted down on the defects after all the matching points were tied together. In group B, the patients received conventional lip-jaw splitting procedure. Student t test was used for results analysis.There were 15 patients (n = 15) in group A and 15 patients (n = 15) in group B. In the patients receiving parachute technique, operation time showed 34 minutes (P = .49) shorter, hospital stay showed 4 days (P = .32) shorter, and the infection rate of surgical site showed 6.6% (P = .64) less than with conventional technique. The survival rates of the flaps were both 100% without revision.The parachute technique is an effective and more accessible method for free flap setting in cases of tongue reconstruction without lip-jaw splitting, and provides patients with better aesthetic appearance.


Assuntos
Carcinoma de Células Escamosas/cirurgia , Retalhos de Tecido Biológico , Procedimentos de Cirurgia Plástica/normas , Neoplasias da Língua/cirurgia , Feminino , Humanos , Masculino , Osteotomia Mandibular , Pessoa de Meia-Idade , Estudos Retrospectivos , Resultado do Tratamento
7.
Photobiomodul Photomed Laser Surg ; 37(9): 559-566, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31411549

RESUMO

Objective: To evaluate the efficacy and safety of picosecond (ps) 755-nm alexandrite laser with a diffractive lens array (DLA) generating laser-induced optical breakdown, which may be beneficial for melasma treatment. Background: Melasma is notorious for difficult to treat with any modality setting. Recently, picosecond alexandrite laser with DLA seems promising for dealing with it without intolerable complications. Methods: Twenty (N = 20) Asian female melasma patients with Fitzpatrick skin type IV were recruited for 3 treatment sessions of picosecond 755-nm alexandrite laser with DLA at a 4- to 6-week interval. The pulse duration was 750 ps. An 8-mm spot size and the fluence of 0.4 J/cm2 was used over the target area with 2 passes per treatment area and around 2000-2500 passes in total. The repetition rate was 10 Hz. Melasma Area and Severity Index (MASI) score and VISIA® imaging system analysis were utilized for evaluation before treatment and 4 weeks after the completion of the third treatment session. The clinical improvement and adverse events were assessed by the physicians and patients, respectively. Results: The median age of the patients was 45 years (from 27 to 55 years). In the physicians' evaluation, 40% (n = 8) of patients showed good improvement and 40% (n = 8) of patients showed moderate improvement. The mean MASI score before and after laser therapy showed significant improvement from 9.0 ± 4.8 to 6.5 ± 3.7 (p < 0.001). VISIA analysis of the forehead presented significant improvement in spots (p = 0.007) and porphyrins (p = 0.032). Some patients experienced erythema (25%), pruritus (20%), and scaling (20%) but subsided within few days of using emollients and sunscreen. Only 5% (n = 1) of patients developed mild postinflammatory hyperpigmentation, which also subsided in 3 weeks. Conclusions: Three sessions of picosecond 755-nm alexandrite laser with a DLA were effective for melasma treatment in Asian patients with minimal side effects.


Assuntos
Dermatoses Faciais/radioterapia , Lasers de Estado Sólido/uso terapêutico , Terapia com Luz de Baixa Intensidade/métodos , Melanose/radioterapia , Adulto , Povo Asiático , Feminino , Humanos , Pessoa de Meia-Idade
8.
Lasers Med Sci ; 34(6): 1063-1069, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-30706177

RESUMO

The purpose of this review is to explore the effectiveness of low-level laser therapy (LLLT) in the treatment of adult androgenic alopecia (AGA). A systematic search of studies on LLLT for AGA was conducted mainly in Pubmed, Embase, and Cochrane Systematic Reviews. The standardized mean difference (SMD) in the changes of hair density treated by LLLT versus sham devices was analyzed. The meta-analysis included 8 studies comprising a total of 11 double-blinded randomized controlled trials. The quantitative analysis showed a significant increase in hair density for those treated by LLLT versus sham group (SMD 1.316, 95% confidence interval, CI 0.993 to 1.639). The subgroup analysis demonstrated that LLLT increases hair growth in both genders, in both comb- and helmet-type devices, and in short- and long-term treatment course. The subgroup analysis also showed a more significant increase of hair growth for the LLLT versus sham in the low-frequency treatment group (SMD 1.555, 95% CI 1.132 to 1.978) than in the high-frequency group (SMD 0.949, 95% CI 0.644 to 1.253). The review was limited by the heterogeneity of included trials. LLLT significantly increased hair density in AGA. The meta-analysis suggests that low treatment frequency by LLLT have a better hair growth effect than high treatment frequency. LLLT represents a potentially effective treatment for AGA in both male and female. The types of LLLT devices and LLLT treatment course duration did not affect the effectiveness in hair growth.


Assuntos
Alopecia/radioterapia , Terapia com Luz de Baixa Intensidade , Ensaios Clínicos Controlados Aleatórios como Assunto , Adulto , Feminino , Cabelo/crescimento & desenvolvimento , Humanos , Masculino , Viés de Publicação , Resultado do Tratamento
9.
J Cosmet Dermatol ; 18(2): 594-601, 2019 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-30203579

RESUMO

BACKGROUND: Minimally invasive techniques, including superficial liposuction with automatic shaver curettage (LC), subcutaneous laser treatment, and microwave-based therapy have been developed to treat osmidrosis. Few studies have compared these three techniques in relation to clinical efficacy, life quality improvement, and downtime. AIMS: We aim to evaluate clinical results and life quality improvement, in addition to downtime and complications, between these three techniques. PATIENTS/METHODS: Clinical records of patients treated with these three minimally invasive techniques for axillary osmidrosis were retrospectively reviewed. Hyperhidrosis disease severity scale, Dermatology Life of Quality Index, clinical improvement, complication, and recurrence were assessed. RESULTS: Among 403 patients, 168 received microwave-based therapy, 119 received subcutaneous laser treatment, and 116 received LC. All treatments showed significant improvements (P < 0.001) in HDSS, DLQI and clinical result after 3 and 12 months comparing to the baseline. But the improvements of subcutaneous laser were significantly inferior to microwave-base therapy and LC. Patients who received LC had a significantly longer downtime (P < 0.001) than those who received other treatments. The recurrence rate was significantly higher in the subcutaneous laser treatment group, and the microwave-based therapy group exhibited a longer recurrence duration (P < 0.001). LC group presented higher complication rate than other treatments. CONCLUSION: Comparing to other treatments, microwave-based therapy was effective in treating osmidrosis with minimal downtime, recurrence, and complications. It could be a durable and effective therapeutic modality for osmidrosis and is less operator-dependent. It may be considered as a first-line treatment for axillary osmidrosis.


Assuntos
Curetagem/métodos , Hiperidrose/terapia , Terapia a Laser/métodos , Lipectomia/métodos , Micro-Ondas/uso terapêutico , Adulto , Glândulas Apócrinas/efeitos da radiação , Glândulas Apócrinas/cirurgia , Axila , Curetagem/efeitos adversos , Curetagem/instrumentação , Feminino , Seguimentos , Humanos , Hiperidrose/diagnóstico , Hiperidrose/psicologia , Terapia a Laser/efeitos adversos , Terapia a Laser/instrumentação , Lasers de Estado Sólido/efeitos adversos , Lasers de Estado Sólido/uso terapêutico , Lipectomia/efeitos adversos , Lipectomia/instrumentação , Masculino , Micro-Ondas/efeitos adversos , Odorantes , Dor Pós-Operatória/epidemiologia , Dor Pós-Operatória/etiologia , Satisfação do Paciente , Qualidade de Vida , Recidiva , Estudos Retrospectivos , Índice de Gravidade de Doença , Sudorese/efeitos da radiação , Fatores de Tempo , Resultado do Tratamento , Adulto Jovem
10.
J Dermatol ; 45(2): 228-231, 2018 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-29131371

RESUMO

Malassezia folliculitis (MalF) mimics acne vulgaris and bacterial folliculitis in clinical presentations. The role of Gram staining in rapid diagnosis of MalF has not been well studied. In our study, 32 patients were included to investigate the utility of Gram staining for MalF diagnosis. The final diagnoses of MalF were determined according to clinical presentation, pathological result and treatment response to antifungal agents. Our results show that the sensitivity and specificity of Gram staining are 84.6% and 100%, respectively. In conclusion, Gram staining is a rapid, non-invasive, sensitive and specific method for MalF diagnosis.


Assuntos
Dermatomicoses/diagnóstico , Foliculite/diagnóstico , Violeta Genciana , Malassezia/isolamento & purificação , Fenazinas , Coloração e Rotulagem/métodos , Adolescente , Adulto , Idoso , Anti-Infecciosos/uso terapêutico , Bactérias/isolamento & purificação , Biópsia , Dermatomicoses/tratamento farmacológico , Dermatomicoses/microbiologia , Dermatomicoses/patologia , Feminino , Foliculite/tratamento farmacológico , Foliculite/microbiologia , Foliculite/patologia , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Sensibilidade e Especificidade , Pele/microbiologia , Pele/patologia , Fatores de Tempo , Resultado do Tratamento , Adulto Jovem
11.
J Cosmet Laser Ther ; 19(5): 275-282, 2017 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-28281850

RESUMO

OBJECTIVE: To systematically analyse the literature on the use of the microwave-based device for subdermal thermolysis of the axilla and its efficacy for the treatment of axillary hyperhidrosis. MATERIALS AND METHODS: A systematic review was conducted using PubMed, Embase, SCOPUS and Cochrane databases on 2 June 2016. The inclusion criteria including: (1) studies with human subjects, (2) full-text articles published in English, (3) a microwave-based device used to treat axillary hyperhidrosis and (4) trials that precisely evaluated axillary hyperhidrosis. Exclusion criteria were the following: (1) studies that did not fit the inclusion criteria mentioned above and (2) case reports and reviews. RESULTS: We reviewed five clinical trials and 189 patients, all of which were published between 2012 and 2016. There was one randomized controlled trial, one retrospective study and the remainder were prospective studies. Although all of the studies were conducted with a small sample size, the results indicated that microwave-based device treatment of axillary hyperhidrosis had long-term efficacy with mild adverse effects. In addition, most patients were satisfied with the outcomes in these studies. CONCLUSIONS: Microwave-based device treatment may be an effective alternative treatment for axillary hyperhidrosis. However, further investigation is necessary to determine its long-term efficacy and safety.


Assuntos
Hiperidrose/radioterapia , Micro-Ondas/uso terapêutico , Axila , Humanos , Micro-Ondas/efeitos adversos , Resultado do Tratamento
12.
J Am Acad Dermatol ; 75(3): 572-577, 2016 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-27543213

RESUMO

BACKGROUND: Postherpetic neuralgia (PHN) is difficult to treat, and currently there are no available treatments that effectively reduce its incidence. Low-level laser therapy (LLLT) has been proposed for indirect virus deactivation in treating recurrent herpes simplex infections. OBJECTIVE: This study seeks to investigate whether LLLT could reduce the incidence of PHN. METHODS: We retrospectively reviewed the incidence of PHN at the first, third, and sixth months after rash outbreak in 3 groups: the acute group of patients who received LLLT during the first 5 days; the subacute group of patients who received LLLT during days 6 to 14 of the eruption; and the control group of patients who did not receive LLLT. RESULTS: There were 48, 48, and 154 patients in the acute, subacute, and control groups, respectively. After adjusting for confounding factors, including age, sex, and use of famciclovir, the incidence of PHN was significantly lower in the acute group versus the control group after 1 month (odds ratio [OR] 0.21, P = .006, 95% confidence interval [CI] 0.068-0.632), 3 months (OR 0.112, P = .038, 95% CI 0.014-0.886), and 6 months (OR 0.123, P = .021, 95% CI 0-0.606). The subacute group only had a lower incidence (OR 0.187, P = .032, 95% CI 0.041-0.865) after 3 months when compared with the control group. LIMITATIONS: This is a retrospective study lacking double-blind randomization, and the placebo effect may be a major concern. Lack of standardized and prospective evaluation measures is also a limitation of this study. CONCLUSION: Applying LLLT within the first 5 days of herpes zoster eruption significantly reduced the incidence of PHN. LLLT may have the potential to prevent PHN, but further well-designed randomized controlled trials are required.


Assuntos
Herpes Zoster/complicações , Herpes Zoster/diagnóstico , Terapia com Luz de Baixa Intensidade/métodos , Neuralgia Pós-Herpética/prevenção & controle , Neuralgia Pós-Herpética/radioterapia , 2-Aminopurina/análogos & derivados , 2-Aminopurina/uso terapêutico , Adulto , Estudos de Casos e Controles , Famciclovir , Feminino , Seguimentos , Herpes Zoster/tratamento farmacológico , Humanos , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Medição da Dor , Prognóstico , Valores de Referência , Estudos Retrospectivos , Medição de Risco , Índice de Gravidade de Doença , Fatores de Tempo , Resultado do Tratamento
13.
Ann Plast Surg ; 77 Suppl 1: S32-5, 2016 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-27404474

RESUMO

BACKGROUND AND OBJECTIVES: Low fluence Q-switched neodymium-doped yttrium aluminum garnet (Nd:YAG) lasers are widely applied for facial depigmentation. Nonetheless, few reports analyze the general outcome, complications, of single and combined therapy of 532/1064-nm Nd:YAG lasers in Asian patients with Fitzpatrick type IV skin. STUDY DESIGN/MATERIALS AND METHODS: We retrospectively reviewed all consecutive patients who completed 5 consecutive sessions at 1-month intervals of treatment with 1064-nm (spot size: 5-7 mm, 1.5-2.0 J/cm) or combined with 532-nm (spot size, 2-3 mm; 0.5-1.5 J/cm) Nd:YAG laser (Laseroptek, Korea) from October 2011 to March 2013. The patients, laser surgeon, and 3 blinded reviewers assessed the outcomes and complications. Improvement was graded as follows: 1, 0%-25%; 2, 26%-50%; 3, 51%-75%; 4, 76-90%; and 5, greater than 90%. Postinflammatory hyperpigmentation (PIH) was documented according to the severity (1, slight; 2, moderate; 3, severe; and 4, extreme). Other post-laser side effects were also documented (eg, scaling, dryness, erythema, and pruritus). RESULTS: Four male patients and 37 female patients were included with a mean age of 38.5 years (SD, 10.1 years). There were no significant differences on patients', surgeon's, or blinded reviewers' improvement gradings. (4.11 ± 0.62 vs 4.30 ± 0.46, P = 0.54; 3.88 ± 0.66 vs 3.89 ± 0.31, P = 0.50; 3.30 ± 0.69 vs 3.74 ± 0.38, P = 0.34). Transient minor side effect occurred as follows: erythema in 9 (22%), pruritus in 7 (17%), dryness in 6 (15%), and scaling in 6 (15%). There was no risk difference in these side effects between groups. The PIH scores were slight in 10 patients (4 in single and 6 in combined), severe in 4 (3 in single and 1 in combined), and extreme in 1 (single therapy). The PIH incidence also did not differ (33.3%, 35.3%; P = 0.58). CONCLUSIONS: We reported satisfactory outcomes after low-fluence Q-switched sole 1064-nm or combined 532/1064-nm therapy. The outcome and complication profiles did not differ between the groups. The PIH incidence was not low, but usually transient. The incidence of severe or extreme PIH was rare.


Assuntos
Hiperpigmentação/cirurgia , Lasers de Estado Sólido/uso terapêutico , Adulto , Povo Asiático , Feminino , Seguimentos , Humanos , Hiperpigmentação/etnologia , Lasers de Estado Sólido/efeitos adversos , Masculino , Pessoa de Meia-Idade , Complicações Pós-Operatórias/diagnóstico , Complicações Pós-Operatórias/epidemiologia , Estudos Retrospectivos , Método Simples-Cego , Resultado do Tratamento
14.
Artigo em Inglês | MEDLINE | ID: mdl-27212284

RESUMO

BACKGROUND: The neodymium-doped yttrium aluminum garnet (NdYAG) laser therapy has been a popular technique for facial rejuvenation but certain adverse effects like post-inflammatory hyperpigmentation are issues of concern to Asian patients. AIMS: To assess the outcome following combined treatment with vitamin C sonophoresis and NdYAG laser, in selected cases of facial hyperpigmentation. METHODS: Twenty three women with dyschromia or melasma who had undergone five sessions of Q-switched NdYAG laser therapy followed by transdermal delivery of vitamin C via sonophoresis were selected after a retrospective review of case records. The objective and subjective clinical outcomes and the side effects, including erythema, scaling, pruritus, dryness and post-inflammatory hyperpigmentation were evaluated. RESULTS: In both objective or subjective outcomes, 91.3% (21/23) of the patients showed an excellent or better outcome, while 8.7% (2/23) showed no change. A majority of the patients (73.9%, 17/23) experienced no post-inflammatory hyperpigmentation or had slight post-inflammatory hyperpigmentation which quickly resolved within 1 week. Only one (4.3%) patient had extreme post-inflammatory hyperpigmentation which lasted for over a month. LIMITATIONS: This was a retrospective study without a control group; a comparative study with a control group (patients treated with the laser alone, without vitamin C sonopheresis) is needed to determine the difference in the outcome. CONCLUSION: The use of vitamin C sonophoresis along with NdYAG laser may reduce the incidence of adverse effects in Asian patients. Patients experienced obvious improvement in hyperpigmentation and had lower chances of experiencing extreme or severe post-inflammatory hyperpigmentation.


Assuntos
Alumínio/administração & dosagem , Ácido Ascórbico/administração & dosagem , Hiperpigmentação/radioterapia , Lasers de Estado Sólido/uso terapêutico , Terapia com Luz de Baixa Intensidade/métodos , Neodímio/administração & dosagem , Ítrio/administração & dosagem , Adulto , Povo Asiático , Face/patologia , Face/efeitos da radiação , Feminino , Humanos , Hiperpigmentação/diagnóstico , Pessoa de Meia-Idade , Estudos Retrospectivos , Resultado do Tratamento , Adulto Jovem
15.
J Biol Chem ; 291(25): 13216-28, 2016 Jun 17.
Artigo em Inglês | MEDLINE | ID: mdl-27129233

RESUMO

Eukaryotic topoisomerase 2 (Top2) and one of its interacting partners, topoisomerase IIß binding protein 1 (TopBP1) are two proteins performing essential cellular functions. We mapped the interacting domains of these two proteins using co-immunoprecipitation and pulldown experiments with truncated or mutant Drosophila Top2 with various Ser-to-Ala substitutions. We discovered that the last 20 amino acids of Top2 represent the key region for binding with Mus101 (the Drosophila homolog of TopBP1) and that phosphorylation of Ser-1428 and Ser-1443 is important for Top2 to interact with the N terminus of Mus101, which contains the BRCT1/2 domains. The interaction between Mus101 and the Top2 C-terminal regulatory domain is phosphorylation-dependent because treatment with phosphatase abolishes their association in pulldown assays. The binding affinity of N-terminal Mus101 with a synthetic phosphorylated peptide spanning the last 25 amino acids of Top2 (with Ser(P)-1428 and Ser(P)-1443) was determined by surface plasmon resonance with a Kd of 0.57 µm In an in vitro decatenation assay, Mus101 can specifically reduce the decatenation activity of Top2, and dephosphorylation of Top2 attenuates this response. Next, we endeavored to establish a cellular system for testing the biological function of Top2-Mus101 interaction. Top2-silenced S2 cells rescued by Top2Δ20, Top2 with 20 amino acids truncated from the C terminus, developed abnormally high chromosome numbers, which implies that Top2-Mus101 interaction is important for maintaining the fidelity of chromosome segregation during mitosis.


Assuntos
Proteínas de Ciclo Celular/metabolismo , Segregação de Cromossomos , DNA Topoisomerases Tipo II/química , Proteínas de Drosophila/metabolismo , Drosophila melanogaster/enzimologia , Sequência de Aminoácidos , Animais , Sítios de Ligação , Ciclo Celular , Linhagem Celular , Cromossomos de Insetos/genética , DNA Topoisomerases Tipo II/metabolismo , DNA de Cinetoplasto/fisiologia , Dados de Sequência Molecular , Ligação Proteica , Domínios e Motivos de Interação entre Proteínas
16.
J Wound Ostomy Continence Nurs ; 43(2): 197-201, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-26938169

RESUMO

BACKGROUND: Patients with diabetes mellitus are susceptible to foot ulcerations associated with the complex triad of peripheral sensory neuropathy, vasculopathy, and trauma. Local infection of a diabetic foot ulcer (DFU) acts a significant deterrent to healing because the response to aggressive debridement antimicrobial therapy is limited when peripheral circulation is poor. CASE REPORT: We share an experience of using silver-impregnated hydrofiber wound dressing as an alternative to amputation in an 85-year-old female patient with an infected, ischemic DFU. This patient had a long-standing history of diabetes mellitus and hypertension for more than 30 years; both conditions were managed with oral medications. Penetrative injury caused by toothpicks resulted in 2 ulcers over the right lateral and medial plantar areas of her right foot. The DFUs were present within a period of 6 months. Due to the deep wound and progressively worsening infection, she was admitted for systemic antibiotics, debridement, and plantar fasciotomy. Percutaneous transluminal angioplasty was indicated, but the patient refused due to concerns related to potential nephrotoxicity associated with contrast use. Amputation was proposed as the final resort if the critical ischemia showed no improvement. Before undertaking amputation, silver-impregnated hydrofiber dressings were applied to the DFUs, along with antiplatelet medications. Following 4 months of treatment, the right medial plantar ulcer healed completely and the DFU over the lateral plantar ulcer was 75% smaller in surface area. Both DFUs remained healed when evaluated at 8 months. CONCLUSION: We found that a silver-impregnated hydrofiber dressing, combined with antiplatelet medications, allowed the patient to avoid amputation despite 2 deep and extensively infected DFUs with critical limb ischemia when revascularization was not feasible.


Assuntos
Bandagens , Carboximetilcelulose Sódica , Pé Diabético/terapia , Isquemia/terapia , Salvamento de Membro , Compostos de Prata/uso terapêutico , Idoso de 80 Anos ou mais , Terapia Combinada , Pé Diabético/microbiologia , Pé Diabético/patologia , Feminino , Humanos , Isquemia/etiologia , Isquemia/patologia , Inibidores da Agregação Plaquetária/uso terapêutico , Vasodilatadores/uso terapêutico
17.
J Child Health Care ; 20(1): 5-16, 2016 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25013129

RESUMO

Glycemic control and quality of life (QoL) are both considered indicators of health adaptation among adolescents with type 1 diabetes (T1D). The purpose of this study was to construct a path model addressing the influences of individual characteristics, school support, resilience, and self-care behaviors on glycated hemoglobin (HbA1c) and QoL among adolescents with T1D in Taiwan. This was a cross-sectional design study. A structured questionnaire was used to collect information on individual characteristics, school support, resilience, self-care behaviors, and QoL. The latest HbA1c was collected from medical records. Data from 238 adolescents with T1D were analyzed using structural equation modeling to test the hypothesized path model. The findings indicated that self-care behaviors and resilience both directly influenced HbA1c and QoL. School support directly influenced QoL but indirectly influenced HbA1c. We suggest that improving self-care behaviors and resilience could be considered an appropriate intervention for enhancing the health adaptation of adolescents with T1D. Increasing school support might be a strategy to improve QoL among adolescents with T1D.


Assuntos
Diabetes Mellitus Tipo 1/terapia , Hemoglobinas Glicadas/análise , Qualidade de Vida , Autocuidado , Adolescente , Estudos Transversais , Diabetes Mellitus Tipo 1/psicologia , Feminino , Humanos , Masculino , Modelos Estatísticos , Resiliência Psicológica , Serviços de Saúde Escolar , Autocuidado/psicologia , Apoio Social , Inquéritos e Questionários , Taiwan
18.
BMJ Open ; 5(12): e008788, 2015 Dec 18.
Artigo em Inglês | MEDLINE | ID: mdl-26685025

RESUMO

OBJECTIVES: To explore the associations of health-related behaviours, metabolic syndrome and risk factors in adults with pre-oral cancerous (POC) lesions in rural, disadvantaged communities with a high prevalence of oral cancer. DESIGN: A cross-sectional observational study. SETTING: Community-based health survey in the western coastal area of Yunlin County, Taiwan. PARTICIPANTS: 5161 adult residents participated in this study. OUTCOME MEASURES: Assessed parameters included oral leukoplakia, oral submucous fibrosis, fasting blood glucose, triglycerides, high-density lipoprotein cholesterol, blood pressure and waist circumference. Statistical analyses included descriptive statistics, χ(2) tests and multivariate binary logistic regression. RESULTS: A high percentage of participants were found to have metabolic syndrome (40%) and POC lesions (7.3%). Participants with POC lesions tended to be male (p<0.001), betel nut chewers (p<0.001) and cigarette smokers (p<0.001); have a low level of education (p<0.001); seldom undergo dental check-ups (p<0.01); irregularly participate in physical activity (p<0.01) and have metabolic syndrome (p<0.01). CONCLUSIONS: Although male sex and disadvantaged socioeconomic status are non-modifiable factors associated with POC and metabolic syndrome in adults, several factors, notably health behaviours, are modifiable. Clinicians can reduce the incidence and consequences of POC by developing programmes for early detection, encouraging regular dental check-ups, and initiating individualised, health-promoting behaviour modification programmes for reducing risky behaviours associated with oral cancer.


Assuntos
Comportamentos Relacionados com a Saúde , Síndrome Metabólica/complicações , Neoplasias Bucais/etiologia , Lesões Pré-Cancerosas/etiologia , Saúde da População Rural/estatística & dados numéricos , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos Transversais , Feminino , Inquéritos Epidemiológicos , Humanos , Modelos Logísticos , Masculino , Síndrome Metabólica/epidemiologia , Pessoa de Meia-Idade , Neoplasias Bucais/epidemiologia , Neoplasias Bucais/patologia , Análise Multivariada , Lesões Pré-Cancerosas/epidemiologia , Lesões Pré-Cancerosas/patologia , Fatores de Risco , Fatores Sexuais , Fatores Socioeconômicos , Taiwan/epidemiologia
19.
Medicine (Baltimore) ; 94(44): e1962, 2015 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-26554805

RESUMO

Although the benefits of wound care services and multidisciplinary team care have been well elaborated on in the literature, there is a gap in the actual practice of wound care and the establishment of an efficient referral system. The conceptual framework for establishing efficient wound management services requires elucidation.A wound care center was established in a tertiary hospital in 2010, staffed by an integrated multidisciplinary team including plastic surgeons, a full-time coordinator, a physical therapist, occupational therapists, and other physician specialists. Referral patients were efficiently managed following a conceptual framework for wound care. This efficient wound management service consists of 3 steps: patient entry and onsite immediate wound debridement, wound re-evaluation, and individual wound bed preparation plan. Wound conditions were documented annually over 4 consecutive years.From January 2011 to December 2014, 1103 patients were recruited from outpatient clinics or inpatient consultations for the 3-step wound management service. Of these, 62% of patients achieved healing or improvement in wounds, 13% of patients experienced no change, and 25% of patients failed to follow-up. The outcome of wound treatment varied by wound type. Sixty-nine percent of diabetic foot ulcer patients were significantly healed or improved. In contrast, pressure ulcers were the most poorly healed wound type, with only 55% of patients achieving significantly healed or improved wounds.The 3-step wound management service in the wound care center efficiently provided onsite screening, timely debridement, and multidisciplinary team care. Patients could schedule appointments instead of waiting indefinitely for care. Further wound condition follow-up, education, and prevention were also continually provided.


Assuntos
Desbridamento/normas , Pé Diabético/cirurgia , Gerenciamento Clínico , Centros de Atenção Terciária , Cicatrização , Idoso , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos
20.
Medicine (Baltimore) ; 94(38): e1610, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-26402825

RESUMO

Periocular botulinum toxin type A (BoNTA) injections are generally safe. Ptosis is the most common adverse effect, whereas eyelid edema is rarely reported. There is no consensus on the latter's incidence, clinical course, or treatment strategy. Here we managed a 59-year-old woman who received BoNTA injections to her forehead, glabella, and eye corner. At 3-day follow-up, she presented with painless, nonpruritic, bilateral periorbital edema, and erythema. Preliminary diagnosis was a local allergic reaction, and topical corticosteroid was administered, but upon lack of improvement, edema secondary to venous and lymphatic congestion was hypothesized, and she was advised to apply hot pads over her eyes, blink frequently, and massage the area. Her eyelid edema resolved 2 weeks later. At 4-month follow-up, the patient requested and received another course of BoNTA at half the dose. Frequent blinking was instructed, and the patient reported a satisfactory outcome with no adverse effects. In our literature review, incidence of BoNTA-induced eyelid edema was 1.4% and showed Asian tendency. Although rare, BoNTA-induced periorbital edema is self-limiting, and normally resolves in 2 to 4 weeks without medical treatment. Patients at risk for edema, including Asian ethnicity, dermatochalasis, and poor periocular muscle tone, are advised to receive injections at half the dosage. Examination of the function and tone of the orbicularis oculi and levator palpebrae superioris muscles before treatment is recommended, and application of hot pads over the eyes, frequent blinking in the morning, and self-massage of the affected area to increase venous return have demonstrated to improve outcome.


Assuntos
Toxinas Botulínicas Tipo A/efeitos adversos , Edema/induzido quimicamente , Eritema/induzido quimicamente , Doenças Palpebrais/induzido quimicamente , Fármacos Neuromusculares/efeitos adversos , Feminino , Humanos , Pessoa de Meia-Idade
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