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1.
J Neurol Neurosurg Psychiatry ; 73(5): 591-3, 2002 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-12397159

RESUMO

OBJECTIVES: To compare endovascular coiling with neurosurgical clipping of ruptured basilar bifurcation aneurysms. METHODS: Patient and aneurysm characteristics, procedural complications, and clinical and anatomical results were compared retrospectively in 44 coiled patients and 44 patients treated by clipping. The odds ratios for poor outcome (Glasgow outcome scale 1, 2, 3) adjusted for age, clinical condition, and aneurysm size were assessed by logistic regression analysis. RESULTS: In the endovascular group, five patients (11%) had a poor outcome v 13 (30%) in the surgical group; the adjusted odds ratio for poor outcome after coiling v clipping was 0.28 (95% confidence interval, 0.08 to 0.99). Procedural complications were more common in the surgical group. Optimal or suboptimal occlusion of the aneurysm immediately after coiling was achieved in 41 patients (93%). Clipping was successful in 40 patients (91%). CONCLUSIONS: The results suggest that embolisation with coils is the preferred treatment for patients with ruptured basilar bifurcation aneurysms.


Assuntos
Aneurisma Roto/cirurgia , Artéria Basilar/cirurgia , Aneurisma Intracraniano/cirurgia , Procedimentos Neurocirúrgicos/instrumentação , Aneurisma Roto/complicações , Aneurisma Roto/patologia , Artéria Basilar/patologia , Feminino , Humanos , Aneurisma Intracraniano/complicações , Aneurisma Intracraniano/patologia , Complicações Intraoperatórias/epidemiologia , Masculino , Pessoa de Meia-Idade , Hemorragia Pós-Operatória/epidemiologia , Estudos Retrospectivos
2.
Ann Nutr Metab ; 37(1): 44-51, 1993.
Artigo em Inglês | MEDLINE | ID: mdl-8470872

RESUMO

In 38 females, aged 21.3 +/- 1.8 years (mean +/- SD) and 22 males, aged 21.6 +/- 2.0 years, total body water (TBW) was assessed by bioelectrical impedance at a frequency of 100 kHz (Z100), and extracellular water (ECW) was assessed at a frequency of 1 (Z1) or 5 kHz (Z5). Impedance ratios of low frequencies (Z1 or Z5) to high frequency (Z100) were calculated as indicators of body water distribution. Furthermore, changes in body water distribution during the menstrual cycle were assessed in 16 females, aged 22.1 +/- 1.7 years, divided into subjects using or not using oral contraceptives. In general, the ratio ECW to TBW was lower in males compared to females, which was reflected in the ratios Z1/Z100 and Z5/Z100. However, the ratio Z5/Z100 reflected this difference less clear, probably because at 5 kHz the current partly passes the cell membranes. Weight changes during the menstrual cycle are generally accepted to be due to a retention of ECW. The ratio Z5/Z100 and the ratios Z1/Z100 and Z5/Z100 for those subjects not using oral contraceptives differed significantly between day with minimal and day with maximal weight. A negative correlation was found between weight change, still considering day with minimal and day with maximal weight, and change in impedance at 5 and 50 kHz for subjects not using oral contraceptives. It is concluded that differences in body water distribution are reflected by low-to-high impedance ratios.


Assuntos
Água Corporal/fisiologia , Impedância Elétrica , Adulto , Compartimentos de Líquidos Corporais/fisiologia , Peso Corporal/fisiologia , Anticoncepcionais Orais/farmacologia , Feminino , Humanos , Masculino , Ciclo Menstrual/fisiologia , Caracteres Sexuais
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