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Our data demonstrated that HRR can be improved in obese subjects by a 3-month exercise and weight loss program. Improvement in cardiopulmonary function by exercise seems to be the main contributor to the increment of HRR.

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Background C‐reactive protein (CRP) has limited placental transportability. Relying on CRP level in umbilical cord blood alone is an inaccurate way to predict early onset neonatal sepsis, and we retrospectively reviewed the clinical courses of neonates with elevated CRP in umbilical cord blood. Methods This study was a retrospective case review of neonates with elevated CRP in umbilical cord blood (>0.5 mg/dL) in the Nara Prefecture General Medical Center, Nara, Japan between February 2013 and August 2017. We investigated the association of maternal and neonatal factors with neonatal clinical course. Then, we compared the cases of neonates with and without elevated CRP in umbilical cord blood. Results The subjects consisted of a total of 22 neonates with elevated CRP in umbilical cord blood and 344 neonates without elevated CRP in umbilical cord blood. Of the 22 neonates with elevated CRP, 18 had some symptoms of sepsis at birth, but the symptoms of 85% of the symptomatic patients resolved ≤24 h after birth. Two neonates with elevated CRP in umbilical cord blood had bacteremia, and they had poor prognoses. Elevated CRP in umbilical cord blood was associated with length of antimicrobials (P = 0.021), immature/total neutrophil ratio (P = 0.017), and pathological chorioamnionitis (CAM; P = 0.028) on multivariable logistic regression analysis. Conclusion Elevated CRP in umbilical cord blood was associated with pathological CAM. Most symptoms of sepsis resolved <24 h after birth.

Symptom-free colonization did not affect clinician management in this study, and all colonized patients without suspected infection were safely managed without antimicrobials. Furthermore, routine catheter tip culturing was not cost-effective; therefore, this practice may be no longer recommended in the NICU.