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1.
Vet Ophthalmol ; 27(2): 177-183, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-37676115

RESUMO

OBJECTIVE: To describe the clinical and histopathological features of ocular abnormalities noted in a litter of black-footed ferrets (Mustela nigripes), including corneal opacification, cataracts, persistent pupillary membranes, microphthalmia, symblepharon and anterior segment malformation. ANIMALS STUDIED: A litter of eight black-footed ferrets examined at 10 weeks old with a history of ophthalmia neonatorum first noted at 7 days old and histopathological examination of three globes from three ferrets of the same litter between 5 and 7 months old following routine subconjunctival enucleation. PROCEDURES: Due to the fractious nature of black-footed ferrets, slit-lamp biomicroscopic examination was performed under general isoflurane anesthesia at 10 weeks of age. Corneal opacification was noted in 9/16 eyes, cataracts in 4/16 eyes, and persistent pupillary membranes in 3/16 eyes, among other findings. Histopathology revealed persistent pupillary membranes and Descemet's membrane abnormalities consistent with congenital anterior segment malformation in all three globes. In one ferret, a posterior cortical cataract with posterior lenticular malformation and lens capsule discontinuity was noted. Purulent discharge was cultured at time of enucleation in one ferret with growth of E. coli. CONCLUSIONS: A novel constellation of ocular malformations with primary congenital and secondary to ophthalmia neonatorum etiologies is described in black-footed ferrets. Due to endangered status of black-footed ferrets, small genetic pool and the requirement for adequate vision for wild-release, congenital ocular abnormalities such as anterior segment malformation and likely the cataracts described are of particular concern. Further investigation and monitoring are warranted to determine the heritability of these ocular abnormalities.


Assuntos
Catarata , Doenças da Túnica Conjuntiva , Oftalmia Neonatal , Animais , Furões , Escherichia coli , Oftalmia Neonatal/veterinária , Catarata/veterinária , Doenças da Túnica Conjuntiva/veterinária
2.
AIDS Behav ; 26(Suppl 1): 165-170, 2022 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-35028793

RESUMO

In 2019, the West Virginia Bureau for Public Health (WV BPH), Cabell-Huntington Health Department (CHHD), and CDC collaborated to respond to an HIV outbreak among people who inject drugs (PWID). CDC, WV BPH, and CHHD formed a cross-agency communications team to establish situational awareness, identify knowledge gaps, and establish key audiences for messages, including the general population, PWID, and clinical and social service providers. The team disseminated up-to-date information about the outbreak, and prioritized messages addressing stigma related to drug use, syringe services programs, and HIV. Messages were continually updated to address the evolving situation and to resonate with local values. Messages were disseminated via advertisements, local news media, and directly to PWID, people experiencing homelessness, and providers. The response supplemented CHHD's assets, including strong relationships and community knowledge, with staff capacity and expertise from state and federal agencies. This collaborative approach is a useful model to address communication needs.


Assuntos
Usuários de Drogas , Infecções por HIV , Abuso de Substâncias por Via Intravenosa , Surtos de Doenças , Infecções por HIV/epidemiologia , Infecções por HIV/prevenção & controle , Humanos , Abuso de Substâncias por Via Intravenosa/epidemiologia , West Virginia/epidemiologia
3.
Int J Infect Dis ; 117: 116-129, 2022 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-35077880

RESUMO

OBJECTIVES: In recent years, outbreaks and a rising incidence of diphtheria, tetanus, and pertussis have occurred in Asia, particularly in older children. METHODS: A systematic search of MEDLINE and Embase was conducted from January 2000 to October 2020 to identify the epidemiology of diphtheria, tetanus, pertussis, and poliomyelitis in children and adolescents (aged 3-18 years) in Asia. The results were then related to vaccination schedules, booster coverage rates, pertussis source of infection, and booster immunogenicity, as identified by a pragmatic review. The International Prospective Register of Systematic Reviews (PROSPERO) registration: #CRD42020222445. RESULTS: A total of 35 studies were included in this review. Limited data were reported on the epidemiology of diphtheria, tetanus, pertussis, and poliomyelitis. Data from studies reporting the incidence of diphtheria and pertussis exemplify the shift in epidemiology to older children/adolescents. Seroprevalence data suggest that immunity to pertussis and diphtheria is below the level of herd immunity in several Asian countries in this population. CONCLUSION: The true burden of diphtheria, pertussis, and tetanus in children aged 3-18 years in Asia is unknown because of weak or absent nationwide surveillance systems. The available evidence highlights the inadequacies in immunity, either by gaps in a recommendation or suboptimal booster coverage, supporting the public health need for booster vaccinations in this population.


Assuntos
Difteria , Poliovirus , Tétano , Coqueluche , Adolescente , Anticorpos Antibacterianos , Ásia/epidemiologia , Criança , Pré-Escolar , Difteria/epidemiologia , Difteria/prevenção & controle , Vacina contra Difteria, Tétano e Coqueluche , Humanos , Imunização Secundária/métodos , Estudos Soroepidemiológicos , Revisões Sistemáticas como Assunto , Tétano/epidemiologia , Tétano/prevenção & controle , Vacinas Combinadas , Coqueluche/epidemiologia , Coqueluche/prevenção & controle
4.
Am J Prev Med ; 61(5 Suppl 1): S143-S150, 2021 11.
Artigo em Inglês | MEDLINE | ID: mdl-34686283

RESUMO

INTRODUCTION: In January 2019, the West Virginia Bureau for Public Health detected increased HIV diagnoses among people who inject drugs in Cabell County. Responding to HIV clusters and outbreaks is 1 of the 4 pillars of the Ending the HIV Epidemic in the U.S. initiative and requires activities from the Diagnose, Treat, and Prevent pillars. This article describes the design and implementation of a comprehensive response, featuring interventions from all pillars. METHODS: This study used West Virginia Bureau for Public Health data to identify HIV diagnoses during January 1, 2018-October 9, 2019 among (1) people who inject drugs linked to Cabell County, (2) their sex or injecting partners, or (3) others with an HIV sequence linked to Cabell County people who inject drugs. Surveillance data, including HIV-1 polymerase sequences, were analyzed to estimate the transmission rate and timing of infections using molecular clock phylogenetic analysis. Federal, state, and local partners designed and implemented a comprehensive response during January 2019-October 2019. RESULTS: Of 82 people identified in the outbreak, most were male (60%), were White (91%), and reported unstable housing (80%). In a large molecular cluster containing 56 of 60 (93%) available sequences, 93% of inferred transmissions occurred after January 1, 2018. HIV testing, HIV pre-exposure prophylaxis, and syringe services were rapidly expanded, leading to improved linkage to HIV care and viral suppression. CONCLUSIONS: Evidence of rapid transmission in this outbreak galvanized robust collaboration among federal, state, and local partners, leading to critical improvements in HIV prevention and care services. HIV outbreak response requires increased coordination and creativity to improve service delivery to people affected by rapid HIV transmission.


Assuntos
Infecções por HIV , Abuso de Substâncias por Via Intravenosa , Surtos de Doenças , Infecções por HIV/diagnóstico , Infecções por HIV/epidemiologia , Humanos , Masculino , Filogenia , Abuso de Substâncias por Via Intravenosa/epidemiologia , West Virginia/epidemiologia
5.
Psychol Bull ; 147(1): 33-54, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-33271023

RESUMO

Social support is one of the most robust predictors of posttraumatic stress disorder (PTSD). Yet, little is known about factors that moderate the relationship between social support and PTSD symptom severity. This meta-analysis estimated the overall effect size of the relationship between self-reported social support and PTSD severity and tested meaningful demographic, social support, and trauma characteristics that may moderate this association using both cross-sectional and longitudinal effect sizes. A comprehensive search identified 139 studies with 145 independent cross-sectional effect sizes representing 62,803 individuals and 37 studies with 38 independent longitudinal effect sizes representing 25,792 individuals. Study samples had to comprise trauma-exposed, nonclinical adult populations to be included in the analysis. Cross-sectional and longitudinal analyses revealed a near medium overall effect size (rcross = -.27; 95% CI [-.30, -.24]; rlong = -.25; 95% CI [-.28, -.21]) with a high degree of heterogeneity (cross-sectional I2 = 91.6, longitudinal I2 = 86.5). Both cross-sectional and longitudinal moderator analyses revealed that study samples exposed to natural disasters had a weaker effect size than samples exposed to other trauma types (e.g., combat, interpersonal violence), studies measuring negative social reactions had a larger effect size than studies assessing other types of social support, and veteran samples revealed larger effect sizes than civilian samples. Several other methodological and substantive moderators emerged that revealed a complex relationship between social support and PTSD severity. These findings have important clinical implications for the types of social support interventions that could mitigate PTSD severity. (PsycInfo Database Record (c) 2021 APA, all rights reserved).


Assuntos
Apoio Social , Transtornos de Estresse Pós-Traumáticos/epidemiologia , Adulto , Estudos Transversais , Modificador do Efeito Epidemiológico , Feminino , Humanos , Estudos Longitudinais , Masculino , Autorrelato , Índice de Gravidade de Doença , Ferimentos e Lesões/classificação , Ferimentos e Lesões/psicologia
7.
World J Psychiatry ; 10(3): 21-28, 2020 Mar 19.
Artigo em Inglês | MEDLINE | ID: mdl-32257848

RESUMO

BACKGROUND: Sleep disturbance is a core feature of post-traumatic stress disorder (PTSD). Given the relationship between sleep disturbance and PTSD, there has been a relative paucity of studies examining the potential therapeutic impact of using pharmacotherapy to target sleep disturbance in patients with PTSD. Eszopiclone (ESZ) is a non-benzodiazepine y-aminobutyric acid-A receptor agonist indicated for the treatment of sleep and may affect sleep in patients with PTSD. AIM: To evaluate the efficacy of ESZ vs placebo (PBO) for patients with PTSD and insomnia. METHODS: The study was a 12-wk, double blind, randomized controlled trial with 3 mg of ESZ (n = 13) or PBO (n = 12). RESULTS: Patients in both arms experienced significant improvement in PTSD symptoms as assessed by the Clinician-Administered PTSD Scale for DSM-IV (CAPS): ESZ (t11 = -3.12, P = 0.005) and PBO (t11 = -3.5, P = 0.002) and by self-report with the Short PTSD Rating Interview (ESZ t11 = -3.38, P = 0.003 and PBO t11 = -4.48, P = 0.0005). There were no significant differences between treatments on the CAPS (t22 = -0.13, P = 0.70) or the Short PTSD Rating Interview (t22 = -0.58, P = 0.56). Similarly, both treated groups improved on sleep measures as assessed by the Pittsburgh Sleep Quality Index with PTSD Addendum (PSQI) and on total sleep time (TST) and sleep latency assessed by actigraphy with no significant differences between groups (PSQI t22 = -0.24, P = 0.81; total sleep time t10 = 0.13, P = 0.90 and sleep latency t10 = 0.68, P = 0.50). There was a significant correlation between improvement in sleep and overall improvement in PTSD as measured by change scores on the PSQI and CAPS, r(8) = 0.79, P = 0.01 for ESZ treated subjects, but not for those treated with PBO r(9) = 0.16, P = 0.69. Adverse events of ESZ were consistent with the known profile of the medication including dysgeusia (30%, mild), sedation (20%, mild) and headache (20%, moderate to severe). CONCLUSION: Results do not support the hypothesis of a specific positive effect of ESZ compared to PBO for measures of PTSD and associated sleep disturbance.

8.
J Clin Sleep Med ; 15(8): 1143-1148, 2019 08 15.
Artigo em Inglês | MEDLINE | ID: mdl-31482836

RESUMO

STUDY OBJECTIVES: Over one-third of the United States population sleeps less than the recommended 7 hours a night, which increases risk for chronic diseases. The aim of this study was to evaluate the acceptability of sleep extension interventions and preferences in sleep extension interventions among adults with short sleep duration. METHODS: Participants aged 18 to 65 years with self-reported sleep duration ≤ 6.5 hours completed an online survey including reported sleep behaviors, barriers to adequate sleep, interest in sleep extension interventions, and a sleep disturbance questionnaire. Data were analyzed using chi-square and binary logistic regression. RESULTS: Participants (n = 92; 61 females; mean age = 45.6 years, standard deviation = 13.5) reported an average sleep duration of 5:49 (standard deviation = 0:49). More than half of the participants reported current health comorbidities (64%), including insomnia (n = 12, 13%) and sleep apnea (n = 9, 10%). Many participants (38%) reported sleep disturbance. The most common barrier to adequate sleep included insomnia or other sleep problems (55%). Most respondents (84%) indicated an interest in increasing sleep duration. Of the treatment options suggested, most (84% of those interested) were interested in a wrist-worn device. Participants with insomnia or other sleep disorders were more likely to be interested in extending sleep, (χ² = 12.86, P < .001) and in a wrist-worn device (χ² = 5.24, P = .022). Higher Patient-Reported Outcomes Measurement Information System sleep disturbance t scores were also associated with interest in monitoring sleep with a wrist-worn device (b = .18, P < .001). CONCLUSIONS: Sleep extension interventions using wearable technology are attractive to individuals with short sleep duration, particularly those with greater sleep disturbance and comorbid sleep disorders. CITATION: Adkins EC, DeYonker O, Duffecy J, Hooker SA, Baron KG. Predictors of intervention interest among individuals with short sleep duration. JClin SleepMed. 2019;15(8):1143-1148.


Assuntos
Aceitação pelo Paciente de Cuidados de Saúde/psicologia , Privação do Sono/psicologia , Adulto , Idoso , Feminino , Nível de Saúde , Humanos , Masculino , Pessoa de Meia-Idade , Aceitação pelo Paciente de Cuidados de Saúde/estatística & dados numéricos , Privação do Sono/terapia , Inquéritos e Questionários , Adulto Jovem
9.
J Med Internet Res ; 21(7): e12869, 2019 07 22.
Artigo em Inglês | MEDLINE | ID: mdl-31333198

RESUMO

BACKGROUND: College students are increasingly reporting common mental health problems, such as depression and anxiety, and they frequently encounter barriers to seeking traditional mental health treatments. Digital mental health interventions, such as those delivered via the Web and apps, offer the potential to improve access to mental health treatment. OBJECTIVE: This study aimed to review the literature on digital mental health interventions focused on depression, anxiety, and enhancement of psychological well-being among samples of college students to identify the effectiveness, usability, acceptability, uptake, and adoption of such programs. METHODS: We conducted a systematic review using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines (registration number CRD42018092800), and the search strategy was conducted by a medical research librarian in the following databases: MEDLINE (Ovid), EMBASE (Elsevier), PsycINFO (EbscoHost), the Cochrane Library (Wiley), and Web of Science (Thomson Reuters) from the date of inception to April 2019. Data were synthesized using a systematic narrative synthesis framework, and formal quality assessments were conducted to address the risk of bias. RESULTS: A total of 89 studies met the inclusion criteria. The majority of interventions (71/89, 80%) were delivered via a website, and the most common intervention was internet-based cognitive behavioral therapy (28, 31%). Many programs (33, 37%) featured human support in the form of coaching. The majority of programs were either effective (42, 47%) or partially effective (30, 34%) in producing beneficial changes in the main psychological outcome variables. Approximately half of the studies (45, 51%) did not present any usability or acceptability outcomes, and few studies (4, 4%) examined a broad implementation of digital mental health interventions on college campuses. Quality assessments revealed a moderate-to-severe risk of bias in many of the studies. CONCLUSIONS: Results suggest that digital mental health interventions can be effective for improving depression, anxiety, and psychological well-being among college students, but more rigorous studies are needed to ascertain the effective elements of these interventions. Continued research on improving the user experience of, and thus user engagement with, these programs appears vital for the sustainable implementation of digital mental health interventions on college campuses.


Assuntos
Ansiedade/terapia , Depressão/terapia , Saúde Mental/tendências , Psicoterapia/métodos , Estudantes/psicologia , Telemedicina/métodos , Adulto , Humanos , Universidades , Adulto Jovem
10.
Internet Interv ; 15: 110-115, 2019 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-30792962

RESUMO

BACKGROUND: Mobile apps have become popular resources for mental health support. Availability of information about developers' data security procedures for health apps, specifically those targeting mental health, has not been thoroughly investigated. If people are to use and trust these tools for their mental health, it is crucial we evaluate the transparency and quality around the data practices of these apps. The present study reviewed data security and privacy policies of mobile apps for depression. METHODS: We reviewed mobile apps retrieved from iTunes and Google Play stores in October 2017, using the term "depression", and evaluated the transparency of data handling procedures of those apps. RESULTS: We identified 116 eligible mobile phone apps. Of those, 4% (5/116) received a transparency score of acceptable, 28% (32/116) questionable, and 68% (79/116) unacceptable. Only a minority of the apps (49%) had a privacy policy. The availability of policies differed significantly by platform, with apps from iTunes more likely to have a policy than from the Google Play store. Mobile apps collecting identifiable information were significantly more likely to have a privacy policy (79%) compared to those collecting only non-identifiable information (34%). CONCLUSION: The majority of apps reviewed were not sufficiently transparent with information regarding data security. Apps have great potential to scale mental health resources, providing resources to people unable or reluctant to access traditional face-to-face care, or as an adjunct to treatment. However, if they are to be a reasonable resource, they must be safe, secure, and responsible.

11.
J Med Internet Res ; 20(6): e10141, 2018 06 11.
Artigo em Inglês | MEDLINE | ID: mdl-29891468

RESUMO

BACKGROUND: A large number of health apps are available directly to consumers through app marketplaces. Little information is known, however, about how consumers search for these apps and which factors influence their uptake, adoption, and long-term use. OBJECTIVE: The aim of this study was to understand what people look for when they search for health apps and the aspects and features of those apps that consumers find appealing. METHODS: Participants were recruited from Northwestern University's Center for Behavioral Intervention Technologies' research registry of individuals with mental health needs. Most participants (n=811) completed a survey asking about their use and interest in health and mental health apps. Local participants were also invited to participate in focus groups. A total of 7 focus groups were conducted with 30 participants that collected more detailed information about their use and interest in health and mental health apps. RESULTS: Survey participants commonly found health apps through social media (45.1%, 366/811), personal searches (42.7%, 346/811), or word of mouth (36.9%, 299/811), as opposed to professional sources such as medical providers (24.6%, 200/811). From the focus groups, common themes related to uptake and use of health apps included the importance of personal use before adoption, specific features that users found desirable, and trusted sources either developing or promoting the apps. CONCLUSIONS: As the number of mental health and health apps continue to increase, it is imperative to better understand the factors that impact people's adoption and use of such technologies. Our findings indicated that a number of factors-ease of use, aesthetics, and individual experience-drove adoption and use and highlighted areas of focus for app developers and disseminators.


Assuntos
Serviços de Saúde Mental/tendências , Aplicativos Móveis/tendências , Mídias Sociais/tendências , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Grupos Focais , Humanos , Masculino , Pessoa de Meia-Idade , Inquéritos e Questionários , Adulto Jovem
12.
Comp Med ; 68(4): 319-323, 2018 08 01.
Artigo em Inglês | MEDLINE | ID: mdl-29907165

RESUMO

A 20-y-old male intact white-faced saki monkey (Pithecia pithecia) presented with an acute ocular disease of the right eye. Clinical signs included periocular swelling, conjunctivitis, and anisocoria with a miotic right pupil. Conjunctival swabs were positive for Human herpesvirus 1 (HHV1) according to PCR amplification with sequencing. Initial clinical signs resolved with supportive treatment, and the animal was managed chronically by using acyclovir (5 mg/kg PO twice daily) during flare-ups. After more than 2 y, the progression of clinical disease led to enucleation of the right eye. At 2 mo after surgery, acute presentation of severe neurologic signs, including ataxia and blindness, resulted in euthanasia. Histopathology, PCR analysis, and sequencing results were consistent with viral encephalitis due to HHV1; coinfection with Pithecia pithecia lymphocryptovirus 1 was identified. This report describes the first case of managed HHV1 infection in a platyrrhine primate and the first case of HHV1 in a white-faced saki monkey that was not rapidly fatal.


Assuntos
Oftalmopatias/veterinária , Herpes Simples/veterinária , Doenças dos Macacos/tratamento farmacológico , Animais , Oftalmopatias/tratamento farmacológico , Oftalmopatias/virologia , Herpes Simples/tratamento farmacológico , Herpes Simples/patologia , Herpesvirus Humano 1 , Masculino , Doenças dos Macacos/patologia , Doenças dos Macacos/virologia , Pitheciidae
13.
Clinicoecon Outcomes Res ; 9: 327-342, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28652787

RESUMO

Orphan drugs (ODs) are intended for the diagnosis, prevention, or treatment of rare diseases. Many cancer subtypes, including all childhood cancers, are defined as rare diseases, and over one-third of ODs are now intended to treat oncology indications. However, market access for oncology ODs is becoming increasingly challenging; ODs are prone to significant uncertainty around their cost-effectiveness, while payers must balance the need for these vital innovations with growing sensitivity to rising costs. The objective of this review was to evaluate different mechanisms that have been introduced to facilitate patient access to oncology ODs in five different countries (Australia, Canada, England, France, and Sweden), using eight oncology ODs and non-orphan oncology drugs as examples of their application. A targeted literature review of health technology assessment (HTA) agency websites was undertaken to identify country-specific guidance and HTA documentation for recently evaluated oncology ODs and non-orphan oncology drugs. None of these countries were found to have explicit HTA criteria for the assessment of ODs, and therefore, oncology ODs are assessed through the usual HTA process. However, distinct and additional processes are adopted to facilitate access to oncology ODs. Review of eight case-study drugs showed that these additional assessment processes were rarely used, and decisions were largely driven by proving cost-effectiveness using standard incremental cost-effectiveness ratio (ICER) thresholds. The predominant implication arising from this study is that application of standard HTA criteria to oncology ODs in many countries fails to take into account any uncertainties around their clinical- and cost-effectiveness, resulting in disparities in HTA reimbursement decisions based on differences in addressing or accepting uncertainty. In order to address this issue, HTA agencies should adopt a more flexible approach to cost-effectiveness, as typified by the Tandvårds-och Läkemedelsförmånsverket in Sweden, which takes into account the small patient numbers involved, limited budget impact, and high unmet medical needs.

14.
Psychol Serv ; 14(2): 238-245, 2017 05.
Artigo em Inglês | MEDLINE | ID: mdl-28481610

RESUMO

Homelessness has serious consequences for youth that heighten the need for mental health services; however, these individuals face significant barriers to access. New models of intervention delivery are required to improve the dissemination of mental health interventions that tailor these services to the unique challenges faced by homeless youth. The purpose of this study was to better understand homeless youths' use of technology, mental health experiences and needs, and willingness to engage with technology-supported mental health interventions to help guide the development of future youth-facing technology-supported interventions. Five focus groups were conducted with 24 homeless youth (62.5% female) in an urban shelter. Youth were 18- to 20-years-old with current periods of homelessness ranging from 6 days to 4 years. Transcripts of these focus groups were coded to identify themes. Homeless youth reported using mobile phones frequently for communication, music, and social media. They indicated a lack of trust and a history of poor relationships with mental health providers despite recognizing the need for general support as well as help for specific mental health problems. Although initial feelings toward technology that share information with a provider were mixed, they reported an acceptance of tracking and sharing information under certain circumstances. Based on these results, we provide recommendations for the development of mental health interventions for this population focusing on technology-based treatment options. (PsycINFO Database Record


Assuntos
Jovens em Situação de Rua , Serviços de Saúde Mental , Saúde Mental , Aplicativos Móveis , Mídias Sociais , Adolescente , Feminino , Grupos Focais , Humanos , Masculino , Pesquisa Qualitativa , Adulto Jovem
15.
Vet Med Int ; 2011: 487592, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-21647338

RESUMO

The purpose of this paper was to determine the efficacy and safety of topical tacrolimus, compared to cyclosporine, for treating keratoconjunctivitis sicca (KCS) in dogs. This study was a two-phase, randomized, controlled, masked clinical trial. Phase 1 evaluated ophthalmic 0.03% tacrolimus in normal dogs. Ocular examinations were performed daily. Phase 2 evaluated the efficacy of tacrolimus in treating KCS. Half the dogs received 2% cyclosporine A; the others received 0.03% tacrolimus, both diluted in olive oil. Four ophthalmic examinations were done over 12 weeks. There was no significant difference between groups in phase I. In phase 2, there was no significant difference in Schirmer tear test I (STT) results between the two groups, and both groups had a significant increase in STT over time. Both drugs were effective in increasing the STT in dogs naïve to lacrimostimulants. Tacrolimus was effective in increasing the STT in 4 dogs currently nonresponsive to cyclosporine.

16.
J Infect Dis ; 203(5): 683-90, 2011 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-21278209

RESUMO

BACKGROUND: Vaccinia virus keratitis (VACVK) is a complication of smallpox vaccination that can result in blindness. There are no Food and Drug Administration-approved treatments for VACVK, and vaccinia immunoglobulin (VIG) is contraindicated in isolated VACVK. We used a rabbit model of infection to compare several therapeutic options for VACVK. METHODS: Rabbit eyes were infected with 10(5) plaque-forming units of the Dryvax strain of vaccinia virus and scored daily for 28 days using a modified MacDonald-Shadduck scoring system. Animals were treated for 10 days after the onset of keratitis with albumin, VIG, prednisolone acetate, trifluridine, or combinations thereof. Ocular viral titers and vaccinia-specific antibody titers were determined by plaque assay and enzyme-linked immunosorbent assay, respectively. RESULTS: Treatment with intravenous VIG neither exacerbated nor ameliorated VACVK. Topical prednisolone acetate interfered with viral clearance, and ocular disease rebounded in prednisolone-treated groups. The most effective treatment was topical trifluridine alone. CONCLUSIONS: We conclude that (1) VIG did not negatively affect the treatment of isolated keratitis, (2) topical corticosteroids should not be used for treating VACVK, and (3) treatment with topical trifluridine, with or without intravenous VIG, is the preferred therapeutic regimen for treating VACVK.


Assuntos
Córnea/efeitos dos fármacos , Imunoglobulinas/uso terapêutico , Ceratite/tratamento farmacológico , Vacina Antivariólica/efeitos adversos , Animais , Anti-Inflamatórios/farmacologia , Anticorpos Antivirais/biossíntese , Anticorpos Antivirais/sangue , Antivirais/farmacologia , Cegueira/etiologia , Cegueira/prevenção & controle , Cegueira/virologia , Chlorocebus aethiops , Córnea/patologia , Córnea/virologia , Modelos Animais de Doenças , Quimioterapia Combinada , Ensaio de Imunoadsorção Enzimática , Feminino , Células HeLa , Humanos , Imunoglobulinas/administração & dosagem , Infusões Intravenosas , Ceratite/etiologia , Ceratite/virologia , Prednisolona/análogos & derivados , Prednisolona/farmacologia , Coelhos , Distribuição Aleatória , Trifluridina/farmacologia , Vaccinia virus/imunologia , Vaccinia virus/isolamento & purificação , Células Vero
17.
Invest Ophthalmol Vis Sci ; 51(9): 4541-8, 2010 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-20375330

RESUMO

PURPOSE: Vaccinia virus keratitis leading to blindness is a severe complication of smallpox vaccination. The clinical manifestations of vaccinia virus keratitis are similar to those of herpes simplex virus keratitis, a well-studied immunopathologic disease. Vaccinia virus keratitis is likely to involve an immunopathologic component, but little is known about the pathogenesis of the disease. The goal of this study was to determine type and kinetics of immune cell infiltration in the cornea during vaccinia virus keratitis. METHODS: Rabbit eyes were trephined and inoculated with 1x10(5) pfu of the Dryvax strain of the vaccinia virus. On days 2, 4, 7, 10, 14, and 28 after infection, the animals were scored for clinical disease and eye sections were stained for B cells, CD4+ cells, CD8+ cells, and neutrophils. The eyelid, ciliary body, cornea, iris, iridocorneal angle, and choroid were examined. RESULTS: Corneal vaccinia virus challenge resulted in the infiltration of B cells, CD4+ cells, CD8+ cells, and neutrophils into the cornea and eyelids. Neutrophils were the predominant cell type on days 2 and 3 after infection, whereas CD4+ cells were the predominant cell type detected in corneas on days 4 through 10. CD8+ cells and B cells peaked on day 10, but at lower levels than CD4+ cells and neutrophils. CONCLUSIONS: These results suggest that sequential migration of neutrophils, then CD4+ cells, plays an important role in vaccinia virus keratitis.


Assuntos
Ceratite/virologia , Leucócitos/virologia , Vacina Antivariólica/efeitos adversos , Vaccinia virus/imunologia , Vacínia/virologia , Animais , Linfócitos B/imunologia , Linfócitos B/virologia , Linfócitos T CD4-Positivos/imunologia , Linfócitos T CD4-Positivos/virologia , Linfócitos T CD8-Positivos/imunologia , Linfócitos T CD8-Positivos/virologia , Chlorocebus aethiops , Córnea/imunologia , Córnea/virologia , Feminino , Células HeLa , Humanos , Ceratite/imunologia , Contagem de Leucócitos , Leucócitos/imunologia , Neutrófilos/imunologia , Neutrófilos/virologia , Coelhos , Retina/imunologia , Retina/virologia , Vacínia/imunologia , Células Vero
18.
Compend Contin Educ Vet ; 32(11): E1, 2010 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-21882168

RESUMO

Canine anterior uveitis can be a debilitating, painful, vision-threatening disease. Several local and systemic diseases can cause anterior uveitis. Because the eye is limited in its ability to respond to injury, different diseases produce similar clinical signs, making an etiologic diagnosis difficult but imperative to improve the likelihood of a successful outcome. A thorough history and complete ocular and physical evaluations are necessary to ensure timely and accurate diagnosis. This article reviews the pathophysiology, most common causes, diagnostic recommendations, current therapeutic options, potential complications, and prognosis for canine anterior uveitis.


Assuntos
Doenças do Cão/etiologia , Uveíte Anterior/veterinária , Animais , Doenças do Cão/diagnóstico , Doenças do Cão/terapia , Cães , Prognóstico , Úvea/anatomia & histologia , Úvea/fisiologia , Uveíte Anterior/diagnóstico , Uveíte Anterior/etiologia , Uveíte Anterior/terapia
20.
J Am Vet Med Assoc ; 227(12): 1952-4, 1928-9, 2005 Dec 15.
Artigo em Inglês | MEDLINE | ID: mdl-16379632

RESUMO

A 10-week-old Labrador Retriever was examined because of a swelling above the left eye. Ophthalmic examination revealed a tubular, light-pink, slightly raised lesion of the left conjunctiva that extended from the limbus to the fornix and into the dorsal eyelid. The lesion affected the entire margin of the dorsal eyelid and extended 2 cm dorsal to the eyelid margin. With compression of the left jugular vein, the exophthalmos worsened immediately and the subconjunctival and eyelid lesion enlarged. Results of ultrasonography, computed tomography, and contrast venography were consistent with a diagnosis of an orbital varix. Coil embolization was elected for treatment of the varix to prevent the pain and morbidity associated with an orbitotomy. Coils were introduced through a 22-gauge IV catheter inserted through the upper eyelid into the varix. The only complication was moderately severe orbital swelling. The owners reported that the lesion had resolved by 2 weeks after coil embolization.


Assuntos
Doenças do Cão/diagnóstico , Embolização Terapêutica/veterinária , Órbita/irrigação sanguínea , Doenças Orbitárias/veterinária , Animais , Doenças do Cão/cirurgia , Doenças do Cão/terapia , Cães , Feminino , Doenças Orbitárias/diagnóstico , Doenças Orbitárias/cirurgia , Doenças Orbitárias/terapia , Flebografia/veterinária , Próteses e Implantes/veterinária , Tomografia Computadorizada por Raios X/veterinária , Resultado do Tratamento , Varizes
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