Brazilian Journal of Anesthesiology
https://bjan-sba.org/article/doi/10.1590/S0034-70942005000500014
Brazilian Journal of Anesthesiology
Review Article

Hipertensão arterial sistêmica e anestesia

Systemic hypertension and anesthesia

Michelle Nacur Lorentz; Alexandre Xavier Santos

http://dx.doi.org/10.1590/S0034-70942005000500014 Braz J Anesthesiol, vol.55, n5, p.586-594, 2005
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Resumo

JUSTIFICATIVA E OBJETIVOS: Devido à grande prevalência da hipertensão arterial sistêmica na população e a falta de consenso sobre que níveis pressóricos o anestesiologista deve aceitar para induzir uma anestesia para cirurgia eletiva, realizou-se uma revisão na literatura que trata da associação hipertensão arterial e anestesia. Considerando que a suspensão de uma cirurgia implica em gastos, o que torna a Medicina cada vez mais cara, e que, por outro lado, o ato anestésico deve ser realizado com a maior segurança possível, o objetivo desse trabalho foi analisar as evidências da literatura que possam nortear a prática clínica. CONTEÚDO: O artigo apresenta incidência e classificação da hipertensão arterial sistêmica além de relatar e comentar trabalhos relevantes que abordam a hipertensão arterial no paciente cirúrgico. CONCLUSÕES: Ainda não estão estabelecidos quais níveis máximos de pressão são compatíveis com uma cirurgia eletiva, sendo que, atualmente, os critérios para a suspensão da cirurgia no paciente hipertenso mal controlado são muito mais baseados em dados empíricos que em evidências. Existe uma tendência em postergar a cirurgia quando a PA é superior a 180/110 mmHg, mas cada caso deve ser analisado isoladamente, valorizando mais lesões em órgãos alvo que a pressão arterial propriamente dita.

Palavras-chave

AVALIAÇÃO PRÉ-ANESTÉSICA, DOENÇAS

Abstract

BACKGROUND AND OBJECTIVES: Due to the high incidence of systemic hypertension and the lack of consensus on pressure levels to be accepted before inducing anesthesia for elective procedures, literature associated to hypertension and anesthesia was reviewed. Considering that canceling a surgery implies expenses making Medicine increasingly more expensive and that, on the other hand, anesthesia should be induced in the safest possible manner, this study aimed at evaluating literature evidences to orient clinical practice. CONTENTS: Incidence and classification of systemic hypertension in addition to reports and comments on relevant studies approaching hypertension in surgical patients are presented. CONCLUSIONS: Maximum pressure levels compatible with elective procedures are still not established and today criteria to cancel surgery of poorly controlled hypertensive patients are more based on empirical data than on evidences. There is a trend to cancel the procedure when BP is above 180/110 mmHg, but situations should be evaluated in a case-by-case basis, giving more importance to target-organs injury than to blood pressure itself.

Keywords

DISEASES, PREANESTHETIC EVALUATION

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