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Infectious keratitis in southern Brazil: a comparison culture negative and culture positive patients / Ceratite infecciosa no sul do Brasil: comparação entre pacientes com cultura negativa e positiva
Department of OphthalmologyDuarte, Maria Cecília Barros; Becker, Guilherme Nardi; Department of OphthalmologyMuller, Guilherme Gubert; Department of Internal Medicine, Infectious diseasesTuon, Felipe Francisco.
  • Department of OphthalmologyDuarte, Maria Cecília Barros; Universidade Federal do Paraná. Hospital de Clínicas. Department of OphthalmologyDuarte, Maria Cecília Barros. Curitiba. BR
  • Becker, Guilherme Nardi; Central Laboratory of the State of Paraná. Section of bacteriology. São José dos Pinhais. BR
  • Department of OphthalmologyMuller, Guilherme Gubert; Universidade Federal do Paraná. Hospital de Clínicas. Department of OphthalmologyMuller, Guilherme Gubert. Curitiba. BR
  • Department of Internal Medicine, Infectious diseasesTuon, Felipe Francisco; Universidade Federal do Paraná. Hospital de Clínicas. Department of Internal Medicine, Infectious diseasesTuon, Felipe Francisco. Curitiba. BR
Rev. bras. oftalmol ; 79(1): 46-52, Jan.-Feb. 2020. tab
Article in English | LILACS | ID: biblio-1092661
ABSTRACT
Abstract

Purpose:

To compare clinical-epidemiological profile and treatment outcome between culture negative and culture positive keratitis patients.

Methods:

Patients with suspected infectious keratitis seen at two ophthalmic hospitals in Curitiba, Brazil, between June 2014 and April 2016, were prospectively studied. Ophthalmological exam with corneal scraping and microbiological tests were performed. Data regarding follow up, surgical interventions and treatment outcome were collected after 12 weeks of the first visit trough medical chart review. From the results of the culture, two groups were formed culture negative keratitis (CNK) and culture positive keratitis (CPK).

Results:

According to inclusion criteria 21 patients were classified as culture negative keratitis and 20 patients as culture positive keratitis. The number of patients on antibiotic drops at the first visit was greater in CNK group (90.5% versus 60%; p=0.032). Surgical procedures were necessary in 3 patients (15%) in CNK group and in 7 patients (36,8%) in CPK group (p=0.155). Treatment success was achieved by 85% (17/20) of the patients in CNK group and by 61% (11/18) of the patients in CPK group (p=0.144). There was no significant difference between groups regarding age, gender, place of residence, presence of comorbidities, risk factors for infectious keratitis, duration of symptoms and characteristics of corneal ulcer.

Conclusions:

Previous treatment with antibiotics correlates with negative culture results. There was no significant difference in treatment outcome between culture negative and culture positive keratitis patients.
RESUMO
Resumo

Objetivo:

Comparar os perfis clinico-epidemiológicos e os desfechos entre pacientes com ceratite com cultura positiva e pacientes com ceratite com cultura negativa.

Métodos:

Pacientes com ceratite infecciosa, atendidos em dois hospitais oftalmológicos em Curitiba, Brasil, entre junho de 2014 e abril de 2016, foram estudados prospectivamente. Exame oftalmológico, raspado de córnea e exames microbiológicos foram realizados no primeiro atendimento. Os dados quanto a seguimento e desfecho foram coletados após 12 semanas do primeiro atendimento através de revisão de prontuário. A partir dos resultados das culturas, dois grupos foram formados ceratite com cultura negativa e ceratite com cultura positiva.

Resultados:

Vinte e um pacientes foram classificados como ceratite com cultura negativa e 20 como ceratite com cultura positiva. O número de pacientes em uso de colírio antibiótico no primeiro atendimento foi maior no grupo de cultura negativa (90,5% versus 60%; p=0,032). Sete pacientes (37%) no grupo cultura positiva precisaram de procedimentos cirúrgicos no manejo da ceratite, versus 3 pacientes (15%) do grupo cultura negativa (p=0,155). Oitenta e cinco por cento (17/20) dos pacientes do grupo cultura negativa alcançaram sucesso no tratamento, contra 61% (11/18) dos pacientes no grupo cultura positiva (p=0,144). Não houve diferença entre os grupos quanto a idade, gênero, local de procedência, presença de comorbidades, fatores de risco, duração dos sintomas e características da úlcera de córnea.

Conclusão:

Tratamento prévio com colírio de antibiótico correlaciona-se com resultados negativos de cultura. Não houve diferença no desfecho após tratamento entre os pacientes com cultura negativa e cultura positiva.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Keratitis Type of study: Diagnostic study / Observational study / Risk factors Limits: Adolescent / Adult / Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Rev. bras. oftalmol Journal subject: Ophthalmology Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Central Laboratory of the State of Paraná/BR / Universidade Federal do Paraná/BR

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Full text: Available Index: LILACS (Americas) Main subject: Keratitis Type of study: Diagnostic study / Observational study / Risk factors Limits: Adolescent / Adult / Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Rev. bras. oftalmol Journal subject: Ophthalmology Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Central Laboratory of the State of Paraná/BR / Universidade Federal do Paraná/BR