Revista Brasileira de Reumatologia (Feb 2004)
Avaliação da pressão venosa periférica na esclerose sistêmica Peripheral venous pressure in systemic sclerosis
Abstract
OBJETIVO: Estabelecer a utilidade da medida indireta da pressão venosa periférica (PVP) na avaliação de pacientes com esclerose sistêmica (ES), comparando com uma população controle normal. MÉTODOS: Estudo prospectivo avaliando 18 pacientes esclerodérmicas do sexo feminino (sendo oito delas com úlcera cutânea isquêmica) submetidas à medida indireta da PVP (por pletismografia). Os dados foram comparados a um grupo controle normal de 18 mulheres hígidas, pareadas para idade. RESULTADOS: Os níveis de pressão arterial foram semelhantes nos dois grupos. Os valores de PVP estavam significativamente diminuídos nos pacientes com ES (58.9 ± 11.6 mmHg no grupo ES e 96.9 ± 7.1 mmHg no grupo controle; p OBJECTIVE: The aim of this prospective study was to establish the usefulness of indirect measurement of peripheral venous pressure (PVP) in the evaluation of patients with systemic sclerosis (SSc), comparing them with a normal control population. METHODS: Eighteen female SSc patients (eight patients presenting cutaneous ischemic ulcers) were submitted to indirect measurement of the PVP (by plethysmography), and data were compared with a control group of 18 healthy women, paired by age. RESULTS: Arterial pressure levels were similar in both groups. PVP levels were significantly decreased in the SSc patients (58.9 ± 11.6 mmHg in the SSc group and 96.9 ± 7.1 mmHg in the control group; p < 0.0001); in the SSc group, patients with ischemic ulcers presented PVP levels significantly decreased compared with those patients without ulcers (50.6 ± 10.8 mmHg in the ulcer group and 65.5 ± 7.2 mmHg in the group without ulcers; p = 0.006). CONCLUSIONS: It can be concluded that decreased PVP in SSc is associated with a decrease in the blood flow of these patients, predisposing them to cutaneous ischemic ulcers.
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