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Chlamydia pneumoniae and stroke: is there a direct relationship? / Chlamydia pneumoniae e acidente vascular cerebral aterotrombótico: existe relação direta?
Gagliardi, Rubens J; Caiaffa-Filho, Helio H.
  • Gagliardi, Rubens J; Santa Casa de São Paulo. Faculty of Medical Sciences. São Paulo. BR
  • Caiaffa-Filho, Helio H; Santa Casa de São Paulo. Faculty of Medical Sciences. São Paulo. BR
Arq. neuropsiquiatr ; 67(3a): 600-604, Sept. 2009. tab
Article in English | LILACS | ID: lil-523605
ABSTRACT

OBJECTIVE:

To investigate the possible relationship between atherothrombotic stroke and Chlamydia pneumoniae.

METHOD:

150 patients with carotid atherothrombosis were enrolled. The casuistic was divided in three groups ischemic stroke (IS) 65 patients; transient ischemic attack (TIA) 26 patients; and control 59. The IS or TIA onset was up to 30 days from the beginning of the study. Carotid atheromatoses was diagnosed by Doppler-ultrasonography. Patients with cardioembolic risk or non-atherothrombotic origin were excluded. Comparisons were done between the three groups, and within each group according to the different age sub-groups, to the main arteries affected, and to the atherogenic risk factors. Bacteria detection was done using polimerase chain reaction.

RESULTS:

Only one patient tested positive for C. pneumoniae belonging to the control group.

CONCLUSION:

These results do not suggest that C. pneumoniae participated in the onset of IS or TIA or that it has a role in carotid plaque destabilization.
RESUMO

OBJETIVO:

Investigar a possível relação entre Chlamydia pneumoniae e acidente vascular cerebral aterotrombótico (AVC).

MÉTODO:

150 pacientes com aterotrombose carotídea foram estudados. A casuística foi dividida em 3 grupos AVC 65 pacientes; ataque isquêmico transitório (AIT) 26 pacientes e controles 59. O início do AVC ou AIT era até 30 dias da inclusão no estudo. A ateromatose carotídea foi diagnosticada por ultrassonografia com Doppler. Os pacientes com risco cárdio-embólico ou sem evidência de aterotrombose foram excluídos. Foram estabelecidas comparações entre os 3 grupos e dentro de cada grupo, formado sub-grupos de acordo com diferentes idades, território arterial comprometido e fatores de risco. A detecção da bactéria foi feita por reação de polimerização em cadeia.

RESULTADOS:

Somente um paciente, pertencente ao grupo controle, teve resultado positivo.

CONCLUSÃO:

Estes achados não sugerem que a C. pneumoniae participe no desencadeamento do AVC ou AIT ou que tenha papel na desestabilização da placa.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Coronary Artery Disease / Ischemic Attack, Transient / Chlamydophila pneumoniae / Stroke / Chlamydophila Infections Type of study: Diagnostic study / Etiology study / Observational study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2009 Type: Article Affiliation country: Brazil Institution/Affiliation country: Santa Casa de São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Coronary Artery Disease / Ischemic Attack, Transient / Chlamydophila pneumoniae / Stroke / Chlamydophila Infections Type of study: Diagnostic study / Etiology study / Observational study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2009 Type: Article Affiliation country: Brazil Institution/Affiliation country: Santa Casa de São Paulo/BR