Acute kidney injury and other factors associated with mortality in hiv-infected patients

Rev Assoc Med Bras (1992). 2018 Jun;64(6):509-517. doi: 10.1590/1806-9282.64.06.509.

Abstract

Objective: HIV-related mortality is still high, especially in developed countries. The aim of this study is to investigate factors associated to death in HIV-infected patients.

Methods: This is a cross-sectional study with all HIV adult patients admitted to a tertiary infectious diseases hospital in Fortaleza, Northeast Brazil, from January 2013 to December 2014. Patients were divided into two groups: survivors and non-survivors. Demo-graphical, clinical and laboratory data were compared and a logistic regression was performed in order to investigate risk factors for death. P values ≤0.05 were considered statistically significant.

Results: A total of 200 patients with mean age of 39 years were including in the study, 69.5% males. Fifteen patients (7.5%) died. Non-survivors presented a higher percentage of males (93.3 vs. 67.3%, p = 0.037). Non-survivors presented AKI (73.3 vs. 10.3%, p < 0.001), liver dysfunction (33.3 vs. 11.5, p = 0.031), dyspnea (73.3 vs. 33.0%, p = 0.002) and disorientation (33.3 vs. 12.4%, p = 0.025) more frequently. Non-survivors also had higher levels of urea (73.8 ± 52.7vs. 36.1 ± 29.1 mg/dL, p < 0.001), creatinine (1.98 ± 1.65 vs. 1.05 ± 1.07 mg/dL, p < 0.001), aspartate aminotransferase (130.8 vs. 84.8 U/L, p = 0.03), alanine aminotransferase (115.6 vs. 85.4 U/L, p = 0.045) and lactate dehydrogenase (LDH) (1208 vs. 608 U/L, p = 0.012), as well as lower levels of bicarbonate (18.0 ± 4.7 vs. 21.6 ± 4.6 mEq/L, p = 0.016) and PCO2 (27.8 ± 7.7 vs. 33.0 ± 9.3 mmHg, p = 0.05). In multivariate analysis, disorientation (p = 0.035, OR = 5.523, 95%CI = 1.130 - 26.998), dyspnoea (p = 0.046, OR = 4.064, 95%CI = 1.028 - 16.073), AKI (p < 0.001, OR = 18.045, 95%CI = 4.308 - 75.596) and disseminated histoplasmosis (p = 0.016, OR = 12.696, 95%CI = 1.618 - 99.646) and LDH > 1000 U/L (p = 0.038, OR = 4.854, 95%CI = 1.093 - 21.739) were risk factors for death.]CONCLUSION: AKI and disseminated histoplasmosis (DH) were the main risk factors for death in the studied population. Neurologic and respiratory impairment as well as higher levels of LDH also increased mortality in HIV-infected patients.

MeSH terms

  • Acute Kidney Injury / complications
  • Acute Kidney Injury / mortality*
  • Adolescent
  • Adult
  • Aged
  • Brazil / epidemiology
  • Cause of Death
  • Confusion / complications
  • Confusion / mortality
  • Cross-Sectional Studies
  • Dyspnea / complications
  • Dyspnea / mortality
  • Female
  • HIV Infections / complications
  • HIV Infections / mortality*
  • Histoplasmosis / complications
  • Histoplasmosis / mortality
  • Humans
  • L-Lactate Dehydrogenase / blood
  • Length of Stay / statistics & numerical data
  • Logistic Models
  • Male
  • Middle Aged
  • Retrospective Studies
  • Risk Factors
  • Sex Distribution
  • Survivors / statistics & numerical data
  • Young Adult

Substances

  • L-Lactate Dehydrogenase