Blood pressure measurement in obese patients: non-invasive proximal forearm versus direct intra-arterial measurements
South. Afr. j. anaesth. analg. (Online)
;
24(3): 21-24, 2018. ilus
Artigo
em Inglês
| AIM
| ID: biblio-1272246
ABSTRACT
Background:
In obesity, accurate perioperative blood pressure measurement using upper arm, non-invasive blood pressure (NIBP) is technically challenging. Proximal forearm NIBP may be an acceptable substitute. Mean arterial blood pressures (MAP) estimated by proximal forearm NIBP were compared with direct intra-arterial measurements. It was hypothesised that the measurement techniques would be interchangeable if between-technique MAP differed ⤠20% and MAP ratios were < 1.2 and > 0.8.Method:
A total of 30 adults with body mass index ⥠30 kg/m2 in whom perioperative intra-arterial blood pressure measurement was considered mandatory were enrolled. MAP measurements using the two techniques were obtained at three random intervals in each patient. BlandAltman analyses were employed.Results:
Forearm mean NIBP MAP overestimated mean intra-arterial MAP by 2.2 (SD 8.1; range from 23.8 to 19.4 mmHg; p = 0.011, 95% CI 3.9 to 0.5). However, BlandAltman analyses revealed a wide dispersion with several MAP differences and MAP ratios exceeding the pre-specified bounds for interchangeability.Conclusion:
Forearm NIBP could not be considered interchangeable with direct intra-arterial MAP measurements in obese patients
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Índice:
AIM (África)
Assunto principal:
Pacientes
/
Pressão Sanguínea
/
Determinação da Pressão Arterial
/
Obesidade
Idioma:
Inglês
Revista:
South. Afr. j. anaesth. analg. (Online)
Ano de publicação:
2018
Tipo de documento:
Artigo
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