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Distúrbios ventilatórios em pacientes encaminhados para tomografia de coronária: associação entre alterações espirométricas e aterosclerose / Respiratory disorders in patients referred for coronary tomography: association between atherosclerosis and spirometric changes
São Paulo; s.n; 2015. [90] p. ilus, tab, graf.
Thesis in Portuguese | LILACS | ID: biblio-871514
RESUMO
Diversos estudos mostram a associação entre doenças respiratórias e doença arterial coronariana (DAC). Além de fatores de risco semelhantes, como tabagismo e sedentarismo, ambos estão associadas à idade avançada e inflamação sistêmica. O uso de tomografia computadorizada coronariana (TCC) com múltiplos detectores é método diagnóstico de doença coronariana, descrevendo a anatomia e a gravidade da obstrução. Uma das formas de se estimar o risco de eventos cardiovasculares é o escore de cálcio coronariano (ECC) obtido neste exame. Muitos pacientes são encaminhados para realizar a TCC para investigar DAC ou classificar o risco de eventos cardíacos futuros. Devido à associação entre os fatores de risco da doença respiratória e DAC, é provável que muitos desses pacientes tenham redução da função pulmonar associada. O objetivo deste estudo foi estabelecer a prevalência de alterações espirométricas na população em investigação cardiopatia por TCC e o impacto da alteração funcional no uso de recursos de saúde. Pacientes encaminhados para a realização de TCC realizaram espirometria. Esses foram, então, divididos de acordo com o padrão espirométrico em grupo função pulmonar normal e alterada (FPN e FPA). O FPA foi subdividido em padrão obstrutivo e restritivo (PO e PR). Os indivíduos foram seguidos por 1 ano quanto a internações hospitalares, procura a pronto-socorro e óbitos. Completaram o protocolo 205 pacientes. A prevalência de alteração espirométrica foi de 28,3% (11,2% no grupo PO e 17,2% no grupo PR). Apenas 8% da população do estudo tinha diagnóstico prévio de doença respiratória. Os preditores de alteração espirométrica foram tabagismo, idade e presença de lesão obstrutiva detectada na TCC. O grupo FPA apresentou aumento significativo no ECC (36 vs 1) e maior proporção de lesões obstrutivas coronarianas (57,2% VS 25,4%), principalmente à custa do grupo PR. Pacientes do grupo FPA tiveram maior procura à PS (20,7% vs 9,5%) e mortalidade (6,9% vs 0%) que o grupo...
ABSTRACT
Several studies have shown the association between respiratory disease and coronary artery disease (CAD). In addition to similar risk factors such as smoking and physical inactivity, both are associated with systemic inflammation and advanced age. Coronary computed tomography (CCT) with multiple detectors is diagnostic method for coronary heart disease, describing anatomy and vessel obstruction severity. One way to estimate risk of cardiovascular events is the coronary calcium score (CCS) from this examination. Many patients are referred to CCT in order to investigate CAD or classify the risk for future cardiac events. Because of the association between risk factors for respiratory disease and CAD, it is likely that many of these patients may have reduced lung function. The study objective was to establish the prevalence of spirometric changes in population investigating heart disease by CCT and the impact of functional changes in use of health care resources. Patients referred for CCT performed spirometry. They were then divided according to spirometry results in normal and abnormal lung function group (NLF and ALF). The ALF was subdivided into obstructive and restrictive pattern (OP and RP). Subjects were followed for 1 year regarding hospital admissions, emergency room visits and deaths. 205 patients completed the protocol. Spirometric change prevalence was 28.3% (11.2% in OP group and 17.2% in the RP group). Only 8% of the study population had a previous diagnosis of respiratory disease. Spirometric changes predictors were smoking, age and obstructive lesion detected in CCT. The ALF group showed significant increase in ECC (36 VS 1) and higher proportion of coronary obstructive lesions (57.2% vs 25.4%), mainly at the expense of the RP group. Patients in ALF group had greater demand for emergency visits (20.7% vs 9.5%) and mortality (6.9% vs 0%) that the NLF group. We conclude that there is a high prevalence of spirometric changes in...
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Spirometry / Pulmonary Medicine / Tomography, X-Ray Computed / Cohort Studies / Coronary Disease / Pulmonary Disease, Chronic Obstructive Type of study: Etiology study / Practice guideline / Incidence study / Observational study / Prognostic study / Risk factors Limits: Adult / Humans Language: Portuguese Year: 2015 Type: Thesis

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Full text: Available Index: LILACS (Americas) Main subject: Spirometry / Pulmonary Medicine / Tomography, X-Ray Computed / Cohort Studies / Coronary Disease / Pulmonary Disease, Chronic Obstructive Type of study: Etiology study / Practice guideline / Incidence study / Observational study / Prognostic study / Risk factors Limits: Adult / Humans Language: Portuguese Year: 2015 Type: Thesis