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Clinical characteristics and factors associated with term and late preterm infants that do not respond to inhaled nitric oxide (iNO)

Morel, Alexandra Almanzar; Shreck, Evan; Mally, Pradeep V; Kim, Yang; Bailey, Sean M; Wachtel, Elena V
AIM: Inhaled nitric oxide (iNO) is used to treat neonates with hypoxic respiratory failure (HRF). The aim of this study was to determine clinical characteristics and factors associated with non-response to iNO therapy that may assist in clinical management and weaning strategies. METHODS: Retrospective chart review. The study cohort included gestational age >/=34 weeks' infants with acute HRF who received iNO within 7 days of birth. Subjects were stratified as responders or non-responders to iNO. Non-responders were defined as infants with failure to improve their PaO2 >20 mm Hg within 6 h of iNO initiation, need for extracorporeal membrane oxygenation (ECMO), or mortality. Clinical and laboratory characteristics were then compared between groups. RESULTS: Forty four subjects were included. There were 31 responders and 13 non-responders to iNO therapy. Regression analysis showed significant correlation between a non-response to iNO therapy and changes in PaO2 and pH levels. We found for every 10 mm Hg decrease in PaO2 immediate post-iNO therapy there is a 17.5% decrease in the likelihood of responding to iNO (odds ratio [OR] 0.98, P=0.012). Similarly, for every 0.15 point decrease in pH, there is a 16.3% increased chance of not responding to iNO therapy (OR 1.16, P=0.002). The need for pressor support prior to iNO initiation was also found to be associated with a non-response (OR 2. 94, P=0.034). CONCLUSIONS: Hypotension requiring treatment with pressors at the time of iNO therapy, as well as changes in pH and PaO2 after iNO initiation can be used as early clinical predictors to identify patients quickly who may be iNO non-responders.
PMID: 26352080
ISSN: 1619-3997
CID: 2239532

Impact of Respiratory Morbidities on Neurodevelopmental Outcome of Late Preterm Infants

Wachtel, Elena V; Zaccario, Michele; Mally, Pradeep
Objective This study aims to evaluate impact of respiratory and other neonatal comorbidities on neurodevelopmental outcome in late preterm infants (LPT). Method Retrospective study of LPT infants (34 (0/7)-36 (6/7) weeks' gestation) discharged from the New York University Langone Medical Center neonatal intensive care unit, during January 2006 to December 2010 and received follow-up care up to 2 years of age. Neonatal morbidities were correlated with neurodevelopmental outcomes and assessed by performance on the Mullen Scales of Early Learning during three developmental follow-up visits. Results A total of 99 LPT completed neurodevelopmental assessment up to 2 years of age. Infants with diagnosis of moderate-to-severe respiratory distress syndrome showed a significantly lower performance in the visual reception on the second (p < 0.01) and third visit (p = 0.02), as well as lower performance in the receptive language (visit 2, p = 0.02; visit 3, p < 0.01). A diagnosis of persistent pulmonary hypertension was found to be associated with significantly lower performance in the visual reception at all visits (p < 0.01; p = 0.02; p = 0.02) and in the receptive language on the second and third visit (p = 0.03; p = 0.02). Combined respiratory morbidities were also associated with lower developmental scores in fine motor (visit 2, p < 0.01; visit 3, p = 0.04) as well as expressive language (visit 3, p = 0.02). Conclusion LPT with significant respiratory morbidities are at higher risk for long-term developmental delays, mainly affecting cognitive developmental domains.
PMID: 25978842
ISSN: 1098-8785
CID: 1792902

Current management of the infant who presents with neonatal encephalopathy

Wachtel, Elena V; Hendricks-Munoz, Karen D
Neonatal encephalopathy after perinatal hypoxic-ischemic insult is a major contributor to global child mortality and morbidity. Brain injury in term infants in response to hypoxic-ischemic insult is a complex process evolving over hours to days, which provides a unique window of opportunity for neuroprotective treatment interventions. Advances in neuroimaging, brain monitoring techniques, and tissue biomarkers have improved the ability to diagnose, monitor, and care for newborn infants with neonatal encephalopathy as well as predict their outcome. However, challenges remain in early identification of infants at risk for neonatal encephalopathy, determination of timing and extent of hypoxic-ischemic brain injury, as well as optimal management and treatment duration. Therapeutic hypothermia is the most promising neuroprotective intervention to date for infants with moderate to severe neonatal encephalopathy after perinatal asphyxia and has currently been incorporated in many neonatal intensive care units in developed countries. However, only 1 in 6 babies with encephalopathy will benefit from hypothermia therapy; many infants still develop significant adverse outcomes. To enhance the outcome, specific diagnostic predictors are needed to identify patients likely to benefit from hypothermia treatment. Studies are needed to determine the efficacy of combined therapeutic strategies with hypothermia therapy to achieve maximal neuroprotective effect. This review focuses on important concepts in the pathophysiology, diagnosis, and management of infants with neonatal encephalopathy due to perinatal asphyxia, including an overview of recently introduced novel therapies
PMID: 21458747
ISSN: 1538-3199
CID: 132577

Development of a statewide collaborative to decrease NICU central line-associated bloodstream infections

Schulman, J; Stricof, R L; Stevens, T P; Holzman, I R; Shields, E P; Angert, R M; Wasserman-Hoff, R S; Nafday, S M; Saiman, L; Adeyeye, Adebisi; Angert, Robert; Barbara, Barbara; Barone, Anthony; Bateman, David; Bhutada, Alok; Biniwale, Manoj; Bock, Steven; Bode, Michelle; Brumberg, Heather; Campbell, Deborah; Caprio, Martha C; Carp, Diane; Clones, Barbara; Combs, Adriann; Cutrone, Joan; DeSomma, Michelle; Duchon, Jennifer; Furdon, Susan A; Gibbs, Kathleen; Graham, Philip; Grippi, Christine; Gross, Steven J; Hendricks-Munoz, Karen D; Hills, Kenyatta; Hoey, Hyacinth; Holzman, Ian R; Horgan, Michael; Isaacson, Teofilita; Jones, Zina; Kim, Yang; Koppel, Robert; Kumar, Vasanth H; Lahage, Nadine E; Lewis, Rudy; Marin, Grace; Moylan, Margaret; Nafday, Suhas M; Nugent, Clare; O'Donnell, Rebecca; Park, Jennifer; Parker, Pam; Parvez, Boriana; Perlman, Jeffrey M; Pupke, Nancy; Rastogi, Shantanu; Reyes, Mitch; Ross, Barbara G; Ryan, Rita M; Saiman, Lisa; Schanler, Richard J; Schulman, Joseph; Shields, Eileen; Spilman, Lynn; Stevens, Timothy P; Stricoff, Rachel; Susser, Joann; Valencia, Gloria B; Wachtel, Elena V; Wasserman, Randi
OBJECTIVE:To characterize hospital-acquired bloodstream infection rates among New York State's 19 regional referral NICUs (at regional perinatal centers; RPCs) and develop strategies to promote best practices to reduce central line-associated bloodstream infections (CLABSIs). STUDY DESIGN/METHODS:During 2006 and 2007, RPC NICUs reported bloodstream infections, patient-days and central line-days to the Department of Health, and shared their results. Aiming to improve, participants created a central line-care bundle based on visiting a potentially best performing NICU and reviewing the literature. RESULT/RESULTS:All 19 RPCs participated in this quality initiative, contributing 218,096 patient-days and 56,911 central line-days of observation. Individual RPC nosocomial sepsis infection (NI) rates ranged from 1.0 to 5.8 NIs per 1000 patient-days (2006), and CLABSI rates ranged from 2.6 to 15.1 CLABSIs per 1000 central line-days (2007). A six-fold rate variation among RPC NICUs was observed. Participants unanimously approved a level-1 evidence-based central line-care bundle. CONCLUSION/CONCLUSIONS:Individual RPC rates and consequent morbidity and resource use attributable to these infections were substantial and varied greatly. No center was without infections. It is hoped that the cooperation and accountability exhibited by the RPCs will result in a major network for characterizing performance and improving outcomes.
PMID: 19262569
ISSN: 1476-5543
CID: 5012772

Effect of antenatal placental insufficiency on postnatal preterm infant gastrointestinal function [Meeting Abstract]

Wachtel, E; Hendrics-Munoz, K; Timor, I
ISI:000220591102821
ISSN: 0031-3998
CID: 46536