scholarly journals SENTINEL1: Two-Season Study of Respiratory Syncytial Virus Hospitalizations among U.S. Infants Born at 29 to 35 Weeks' Gestational Age Not Receiving Immunoprophylaxis

2019 ◽  
Vol 37 (04) ◽  
pp. 421-429 ◽  
Author(s):  
Evan J. Anderson ◽  
John P. DeVincenzo ◽  
Eric A. F. Simões ◽  
Leonard R. Krilov ◽  
Michael L. Forbes ◽  
...  

Objective The SENTINEL1 observational study characterized confirmed respiratory syncytial virus hospitalizations (RSVH) among U.S. preterm infants born at 29 to 35 weeks' gestational age (wGA) not receiving respiratory syncytial virus (RSV) immunoprophylaxis (IP) during the 2014 to 2015 and 2015 to 2016 RSV seasons. Study Design All laboratory-confirmed RSVH at participating sites during the 2014 to 2015 and 2015 to 2016 RSV seasons (October 1–April 30) lasting ≥24 hours among preterm infants 29 to 35 wGA and aged <12 months who did not receive RSV IP within 35 days before onset of symptoms were identified and characterized. Results Results were similar across the two seasons. Among infants with community-acquired RSVH (N = 1,378), 45% were admitted to the intensive care unit (ICU) and 19% required invasive mechanical ventilation (IMV). There were two deaths. Infants aged <6 months accounted for 78% of RSVH observed, 84% of ICU admissions, and 91% requiring IMV. Among infants who were discharged from their birth hospitalization during the RSV season, 82% of RSVH occurred within 60 days of birth hospitalization discharge. Conclusion Among U.S. preterm infants 29 to 35 wGA not receiving RSV IP, RSVH are often severe with almost one-half requiring ICU admission and about one in five needing IMV.

Author(s):  
Anne M Hause ◽  
Lakshmi Panagiotakopoulos ◽  
Eric S Weintraub ◽  
Lina S Sy ◽  
Sungching C Glenn ◽  
...  

Abstract We identified 10 women hospitalized with respiratory syncytial virus infection during pregnancy. Diagnoses included pneumonia/atelectasis (5), respiratory failure (2), and sepsis (2). Six had obstetrical complications during hospitalization, including 1 induced preterm birth. One required intensive care unit admission and mechanical ventilation. Four infants had complications at birth.


2018 ◽  
Vol 104 (3) ◽  
pp. F274-F279 ◽  
Author(s):  
Thomas E Bachman ◽  
Christopher J L Newth ◽  
Narayan P Iyer ◽  
Patrick A Ross ◽  
Robinder G Khemani

ObjectiveDescribe the likelihood of hypoxemia and hyperoxemia across ranges of oxygen saturation (SpO2), during mechanical ventilation with supplemental oxygenation.DesignRetrospective observational study.SettingUniversity affiliated tertiary care neonatal intensive care unit.PatientsTwo groups of neonates based on postmenstrual age (PMA): <32 weeks (n=104) and >36 weeks (n=709).Main measuresHypoxemia was defined as a PaO2 <40 mm Hg, hyperoxemia as a PaO2 of >99 mm Hg and normoxemia as a PaO2 of 50–80 mm Hg. Twenty-five per cent was defined as marked likelihood of hypoxemia or hyperoxemia.ResultsFrom these infants, 18 034 SpO2–PaO2 pairs were evaluated of which 10% were preterm. The PMA (median and IQR) of the two groups were: 28 weeks (27–30) and 40 weeks (38–41). With SpO2 levels between 90% and 95%, the likelihoods of hypoxemia and hyperoxemia were low and balanced. With increasing levels of SpO2, the likelihood of hyperoxemia increased. It became marked in the preterm group when SpO2 was 99%–100% (95% CI 29% to 41%) and in the term group with SpO2 levels of 96%–98% (95% CI 29% to 32%). The likelihood of hypoxemia increased as SpO2 decreased. It became marked in both with SpO2 levels of 80%–85% (95% CI 20% to 31%, 24% to 28%, respectively).ConclusionsThe likelihood of a PaO2 <40 mm Hg is marked with SpO2 below 86%. The likelihood of a PaO2 >99 mm Hg is marked in term infants with SpO2 above 95% and above 98% in preterm infants. SpO2 levels between 90% and 95% are appropriate targets for term and preterm infants.


CHEST Journal ◽  
1991 ◽  
Vol 100 (5) ◽  
pp. 1377-1384 ◽  
Author(s):  
Gary Guidry ◽  
Cynthia A. Black-Payne ◽  
Keith Payne ◽  
Richard M. Jamison ◽  
Ronald B. George ◽  
...  

QJM ◽  
2021 ◽  
Vol 114 (Supplement_1) ◽  
Author(s):  
Mohammed N Al Shafi'i ◽  
Doaa M. Kamal El-din ◽  
Mohammed A. Abdulnaiem Ismaiel ◽  
Hesham M Abotiba

Abstract Background Noninvasive positive pressure ventilation (NIPPV) has been increasingly used in the management of respiratory failure in intensive care unit (ICU). Aim of the Work is to compare the efficacy and resource consumption of NIPPMV delivered through face mask against invasive mechanical ventilation (IMV) delivered by endotracheal tube in the management of patients with acute respiratory failure (ARF). Patients and Methods This prospective randomized controlled study included 78 adults with acute respiratory failure who were admitted to the intensive care unit. The enrolled patients were randomly allocated to receive either noninvasive ventilation or conventional mechanical ventilation (CMV). Results Severity of illness, measured by the simplified acute physiologic score 3 (SAPS 3), were comparable between the two patient groups with no significant difference between them. Both study groups showed a comparable steady improvement in PaO2:FiO2 values, indicating that NIPPV is as effective as CMV in improving the oxygenation of patients with ARF. The PaCO2 and pH values gradually improved in both groups during the 48 hours of ventilation. 12 hours after ventilation, NIPPMV group showed significantly more improvement in PaCO2 and pH than the CMV group. The respiratory acidosis was corrected in the NIPPV group after 24 hours of ventilation compared with 36 hours in the CMV group. NIPPV in this study was associated with a lower frequency of complications than CMV, including ventilator acquired pneumonia (VAP), sepsis, renal failure, pulmonary embolism, and pancreatitis. However, only VAP showed a statistically significant difference. Patients who underwent NIPPV in this study had lower mortality, and lower ventilation time and length of ICU stay, compared with patients on CMV. Intubation was required for less than a third of patients who initially underwent NIV. Conclusion Based on our study findings, NIPPV appears to be a potentially effective and safe therapeutic modality for managing patients with ARF.


2017 ◽  
Vol 1 (1) ◽  
pp. 8-12
Author(s):  
L.K. Rajbanshi ◽  
M. Dali ◽  
S.B. Karki ◽  
K. Khanal ◽  
B. Aryal ◽  
...  

Introduction Adaptive support ventilation (ASV) is a close loop dual control mechanical ventilation mode. This mode can automatically change its parameters to weaning mode once the patient is actively breathing converting volume targeted pressure control mode to volume targeted pressure support mode. We aimed to observe the outcome of the patients ventilated with ASV as a sole mode in terms of duration of mechanical ventilation, duration of weaning from the ventilatory support and length of Intensive care unit (ICU) stay.Methodology We conducted a prospective observational study for the duration of six months (Sept 2015 to Feb 2016) to assess the clinical outcome of the patients ventilated by ASV as a sole mode of ventilation. The study conducted observation of 78 patients without chronic respiratory, renal, hepatic and neurological disease who were admitted in our intensive care unit for invasive ventilatory support.Results Out of the 187 patients who required invasive and noninvasive ventilation, only 78 patients fulfilled the criteria to be included in the study. It was observed that the mean duration of mechanical ventilation was 5.4 days while weaning as well as tracheal extubation was successful within 13 hours of initiation of weaning. The mean duration of ICU stay was found to be 6.3 days.Conclusion We concluded that the patient ventilated by ASV mode were effectively weaned without the need of changing the ventilator mode. However, the safety of ASV mode needs to be established by large randomized control trail in a wide spectrum of patients.Birat Journal of Health Sciences 2016 1(1): 8-12


Children ◽  
2021 ◽  
Vol 8 (11) ◽  
pp. 1035
Author(s):  
Rachel K. Marlow ◽  
Sydney Brouillette ◽  
Vannessa Williams ◽  
Ariann Lenihan ◽  
Nichole Nemec ◽  
...  

The American Academy of Pediatrics (AAP) recommends supportive care for the management of bronchiolitis. However, patients admitted to the intensive care unit with severe (critical) bronchiolitis define a unique group with varying needs for both non-invasive and invasive respiratory support. Currently, no guidance exists to help clinicians discern who will progress to invasive mechanical support. Here, we sought to identify key clinical features that distinguish pediatric patients with critical bronchiolitis requiring invasive mechanical ventilation from those that did not. We conducted a retrospective cohort study at a tertiary pediatric medical center. Children ≤2 years old admitted to the pediatric intensive care unit (PICU) from January 2015 to December 2019 with acute bronchiolitis were studied. Patients were divided into non-invasive respiratory support (NRS) and invasive mechanical ventilation (IMV) groups; the IMV group was further subdivided depending on timing of intubation relative to PICU admission. Of the 573 qualifying patients, 133 (23%) required invasive mechanical ventilation. Median age and weight were lower in the IMV group, while incidence of prematurity and pre-existing neurologic or genetic conditions were higher compared to the NRS group. Multi-microbial pneumonias were diagnosed more commonly in the IMV group, in turn associated with higher severity of illness scores, longer PICU lengths of stay, and more antibiotic usage. Within the IMV group, those intubated earlier had a shorter duration of mechanical ventilation and PICU length of stay, associated with lower pathogen load and, in turn, shorter antibiotic duration. Taken together, our data reveal that critically ill patients with bronchiolitis who require mechanical ventilation possess high risk features, including younger age, history of prematurity, neurologic or genetic co-morbidities, and a propensity for multi-microbial infections.


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