Previous studies indicate sex differences in incidence and severity of bloodstream infections (BSI). We examined the effect of sex on risk of BSI, BSI mortality, and BSI caused by the most common infecting bacteria. Using causal mediation analyses, we assessed if this effect is mediated by health behaviours (smoking, alcohol consumption), education, cardiovascular risk factors (systolic blood pressure, non-HDL cholesterol, body mass index) and selected comorbidities. This prospective study included 64,040 participants (46.8% men) in the population-based HUNT2 Survey (1995–1997) linked with hospital records in incident BSI. During median follow-up of 15.2 years, 1840 (2.9%) participants (51.3% men) experienced a BSI and 396 (0.6%) died (56.6% men). Men had 41% higher risk of first-time BSI (95% confidence interval (CI), 28–54%) than women. Together, health behaviours, education, cardiovascular risk factors and comorbidities mediated 34% of the excess risk of BSI observed in men. The HR of BSI mortality was 1.87 (95% CI 1.53–2.28), for BSI due to S. aureus 2.09 (1.28–2.54), S. pneumoniae 1.36 (1.05–1.76), E. coli 0.97 (0.84–1.13) in men vs women. This study shows that men have higher risk of BSI and BSI mortality than women. One-third of this effect was mediated by potential modifiable risk factors for incident BSI.
Purpose To study the use of interventions and symptom relief for adult patients with incurable cancer admitted to an acute palliative care unit providing integrated oncology and palliative care services. Methods All admissions during 1 year were assessed. The use of interventions was evaluated for all hospitalizations. Patients with assessments for worst and average pain intensity, tiredness, drowsiness, nausea, appetite, dyspnea, depression, anxiety, well-being, constipation, and sleep were evaluated for symptom development during hospitalization. Descriptive statistics was applied for the use of interventions and the paired sample t-test to compare symptom intensities (SIs). Results For 451 admissions, mean hospital length of stay was 7.0 days and mean patient age 69 years. More than one-third received systemic cancer therapy. Diagnostic imaging was performed in 66% of the hospitalizations, intravenous rehydration in 45%, 37% received antibiotics, and 39% were attended by the multidisciplinary team. At admission and at discharge, respectively, 55% and 44% received oral opioids and 27% and 45% subcutaneous opioids. For the majority, opioid dose was adjusted during hospitalization. Symptom registrations were available for 180 patients. Tiredness yielded the highest mean SI score (5.6, NRS 0–10) at admission and nausea the lowest (2.2). Significant reductions during hospitalization were reported for all assessed SIs (p ≤ 0.01). Patients receiving systemic cancer therapy reported symptom relief similar to those not on systemic cancer therapy. Conclusion Clinical practice and symptom relief during hospitalization were described. Symptom improvements were similar for oncological and palliative care patients.
ObjectiveTo examine the effect of sex on risk of bloodstream infections (BSI) and BSI mortality and to assess to what extent known risk factors for BSI mediate this association in the general population.ParticipantsThe prospective, population-based HUNT2 Survey (1995-97) in Norway invited 93,898 inhabitants ≥20 years in the Nord-Trøndelag region, whereof 65,237 (69.5%) participated. 46.8% of the participants were men.ExposuresSex and potential mediators between sex and BSI; health behaviours (smoking, alcohol consumption), education attainment, cardiovascular risk factors (systolic blood pressure, non-HDL cholesterol, body mass index) and previous or current comorbidities.Main outcome measuresSex differences in risk of first-time BSI, BSI mortality (death within first 30 days after a BSI), BSI caused by the most frequent bacteria, and the impact of known BSI risk factors as mediators.ResultsWe documented a first-time BSI for 1,840 (2.9%) participants (51.3% men) during a median follow-up of 14.8 years. Of these, 396 (0.6%) died (56.6% men). Men had 41% higher risk of any first-time BSI (95% confidence interval (CI), 28 to 54%) than women. An estimated 34% of the excess risk of BSI in men was mediated by known BSI risk factors. The hazard ratio (HR) with 95% CI for BSI due to S. aureus was 2.09 (1.28 to 2.54), S. pneumoniae 1.36 (1.05 to 1.76), and E. coli 0.97 (0.84 to 1.13) in men vs women. BSI related mortality was higher in men compared to women with HR 1.87 (1.53 to 2.28).ConclusionsThis large population-based study show that men have higher risk of BSI than women. One-third of this effect was mediated by known risk factors for BSI. This raises important questions regarding sex specific approaches to reduce the burden of BSI.
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