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Revista del Nacional (Itauguá)
versão impressa ISSN 2072-8174
Resumo
REAL-DELOR, Raúl Emilio et al. Acid-base status alterations in adult patients with chronic renal failure. Rev. Nac. (Itauguá) [online]. 2022, vol.14, n.1, pp.5-17. ISSN 2072-8174. https://doi.org/10.18004/rdn2022.jun.01.005.017.
Introduction:
the carrier of chronic renal failure can present various alterations of the basic acid state, being the metabolic acidosis the most frequent.
Objectives:
to describe the demographic and clinical characteristics and alterations in the acid-base status of adult patients admitted with chronic renal failure in two hospitals in Paraguay.
Methodology:
an observational, descriptive, cross-sectional design was applied. Adult subjects of both sexes, carriers of chronic renal failure, who attended the National Hospital (Itauguá) and the Military Hospital (Asunción) between April and November 2021 were included. Anthropometric, clinical and laboratory variables were measured at admission. The data was submitted to descriptive statistics with the Epi Info 7™ program. The study was approved by the Ethics Committee of the Universidad Privada del Este, Paraguay.
Results:
148 subjects were included, being 78 (52.7 %) men with a mean age of 58 ± 16 years and 70 (47.3 %) women with a mean age of 54 ± 17 years. The most frequent etiologies of chronic renal failure were diabetes mellitus and arterial hypertension (44.5 %). 12 subjects (8.1 %) with normal blood gases were detected. The most frequent alteration of the acid-base status was metabolic acidosis (87.2 %), with cases with normal anion gap predominating in this group.
Conclusions:
the predominant acid-base status alterations in patients with chronic renal failure was metabolic acidosis with normal anion gap. It is suggested to apply the calculations of the compensatory mechanisms to arrive at the accurate diagnosis of these metabolic alterations.
Palavras-chave : chronic renal failure; acid-base balance; arterial blood gases; acidosis; alkalosis.