Background
Sepsis, a life-threatening immunological response to an infection, disproportionality affects allogeneic hematopoietic cell transplant (HCT) recipients and is challenging to define. Clinical criteria that predict mortality and intensive care unit endpoints in patients with suspected infections (SI) have been adopted in sepsis definitions, but their predictive value among immunocompromised populations is largely unknown. Here, we evaluate three criteria among allogeneic HCT recipients.
Methods
We evaluated Systemic Inflammatory Response Syndrome (SIRS), quick-Sequential Organ Failure Assessment (qSOFA), and National Early Warning Score (NEWS) criteria in relation to short-term mortality among HCT recipients with SIs. Data from the first 100-days post-transplant were analyzed for patients transplanted between September 2010 - July 2017. We used the following cut-points (qSOFA/SIRS: 2+; NEWS: 7+) and restricted to first SI per hospital encounter.
Results
Of the 880 HCT recipients who experienced ≥ 1 SI, 58 (6.6%) died within 28 days and 22 (2.5%) within 10 days of a SI. In relation to 10-day mortality, SIRS was the most sensitive: 91.3% (95% CI:72.0 – 98.9%) but least specific: 35.0% (32.6 – 37.5%) whereas qSOFA was the most specific: 90.5% (88.9 – 91.9%) but least sensitive: 47.8% (26.8 – 69.4%). NEWS was moderately sensitive 78.3% (56.3 – 92.5%) and specific 70.2% (67.8 – 72.4%).
Conclusion
NEWS outperformed qSOFA and SIRS, but all three criteria had low to moderate predictive accuracy and the magnitude of the known predictive limitations of qSOFA and SIRS were at least as large as in general populations. Our data suggest that population-specific sepsis criteria are needed for immunocompromised patients.
Objectives
Inflammation in utero is linked to childhood respiratory and infectious complications. Obesity is an increasingly common chronic inflammatory state, yet little is known about its role in childhood respiratory illness. We sought to examine the association between maternal pre-gravid BMI and early childhood respiratory hospitalization.
Methods
We conducted a population-based case-control study using the Washington State Comprehensive Hospital Abstract Reporting System (CHARS) and linked birth certificate data. Cases were children age 0 to 5 years, born in Washington state, with a respiratory hospitalization between 2003 and 2008. We identified 15,318 cases, frequency matching each case to two controls by birth year (total 31,060 controls). We used logistic regression to estimate the risk (approximated by odds ratios) of early childhood respiratory hospitalization according to maternal pre-gravid body mass index (BMI) category (underweight, normal, overweight, obese), after adjustment for maternal and infant characteristics.
Results
An elevated maternal pre-gravid BMI was associated with increased risk of childhood respiratory hospitalization, with an adjusted odds ratio OR [95% CI] = 1.08 [1.03–1.14] for overweight mothers (BMI 25–29.9 kg/m2), and OR = 1.29 [1.22–1.36] for obese mothers (BMI ≥ 30 kg/m2).
Conclusions
An elevated maternal pre-gravid BMI was associated with higher risk of early childhood respiratory hospitalization. Childhood respiratory illness may be an important complication of excess maternal weight that should be shared with expectant mothers.
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