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Dive into the research topics where Harold R. Bigger is active.

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Featured researches published by Harold R. Bigger.


Journal of Perinatology | 2013

Impact of early human milk on sepsis and health-care costs in very low birth weight infants

Aloka L. Patel; Tricia J. Johnson; Janet L. Engstrom; Louis Fogg; Briana J. Jegier; Harold R. Bigger; Paula P. Meier

Objective:To study the incidence of sepsis and neonatal intensive care unit (NICU) costs as a function of the human milk (HM) dose received during the first 28 days post birth for very low birth weight (VLBW) infants.Study design:Prospective cohort study of 175 VLBW infants. The average daily dose of HM (ADDHM) was calculated from daily nutritional data for the first 28 days post birth (ADDHM-Days 1–28). Other covariates associated with sepsis were used to create a propensity score, combining multiple risk factors into a single metric.Result:The mean gestational age and birth weight were 28.1±2.4 weeks and 1087±252 g, respectively. The mean ADDHM-Days 1–28 was 54±39 ml kg−1 day−1 (range 0–135). Binary logistic regression analysis controlling for propensity score revealed that increasing ADDHM-Days 1–28 was associated with lower odds of sepsis (odds ratio 0.981, 95% confidence interval 0.967–0.995, P=0.008). Increasing ADDHM-Days 1–28 was associated with significantly lower NICU costs.Conclusion:A dose–response relationship was demonstrated between ADDHM-Days 1–28 and a reduction in the odds of sepsis and associated NICU costs after controlling for propensity score. For every HM dose increase of 10 ml kg−1 day−1, the odds of sepsis decreased by 19%. NICU costs were lowest in the VLBW infants who received the highest ADDHM-Days 1–28.


Pediatric Clinics of North America | 2013

Supporting Breastfeeding in the Neonatal Intensive Care Unit : Rush Mother’s Milk Club as a Case Study of Evidence-Based Care

Paula P. Meier; Aloka L. Patel; Harold R. Bigger; Beverly Rossman; Janet L. Engstrom

The translation of the evidence for the use of human milk (HM) in the neonatal intensive care unit (NICU) into best practices, toolkits, policies and procedures, talking points, and parent information packets is limited, and requires use of evidence-based quality indicators to benchmark the use of HM, consistent messaging by the entire NICU team about the importance of HM for infants in the NICU, establishing procedures that protect maternal milk supply, and incorporating lactation technologies that take the guesswork out of HM feedings and facilitate milk transfer during breastfeeding.


Neonatology | 2015

Cost Savings of Human Milk as a Strategy to Reduce the Incidence of Necrotizing Enterocolitis in Very Low Birth Weight Infants

Tricia J. Johnson; Aloka L. Patel; Harold R. Bigger; Janet L. Engstrom; Paula P. Meier

Background: Necrotizing enterocolitis (NEC) is a costly morbidity in very low birth weight (VLBW; <1,500 g birth weight) infants that increases hospital length of stay and requires expensive treatments. Objectives: To evaluate the cost of NEC as a function of dose and exposure period of human milk (HM) feedings received by VLBW infants during the neonatal intensive care unit (NICU) hospitalization and determine the drivers of differences in NICU hospitalization costs for infants with and without NEC. Methods: This study included 291 VLBW infants enrolled in an NIH-funded prospective observational cohort study between February 2008 and July 2012. We examined the incidence of NEC, NICU hospitalization cost, and cost of individual resources used during the NICU hospitalization. Results: Twenty-nine (10.0%) infants developed NEC. The average total NICU hospitalization cost (in 2012 USD) was USD 180,163 for infants with NEC and USD 134,494 for infants without NEC (p = 0.024). NEC was associated with a marginal increase in costs of USD 43,818, after controlling for demographic characteristics, risk of NEC, and average daily dose of HM during days 1-14 (p < 0.001). Each additional ml/kg/day of HM during days 1-14 decreased non-NEC-related NICU costs by USD 534 (p < 0.001). Conclusions: Avoidance of formula and use of exclusive HM feedings during the first 14 days of life is an effective strategy to reduce the risk of NEC and resulting NICU costs in VLBW infants. Hospitals investing in initiatives to feed exclusive HM during the first 14 days of life could substantially reduce NEC-related NICU hospitalization costs.


Advances in Nutrition | 2014

Economic Benefits and Costs of Human Milk Feedings: A Strategy to Reduce the Risk of Prematurity-Related Morbidities in Very-Low-Birth-Weight Infants

Tricia J. Johnson; Aloka L. Patel; Harold R. Bigger; Janet L. Engstrom; Paula P. Meier

Infants born at very low birth weight (VLBW; birth weight <1500 g) are at high risk of mortality and are some of the most expensive patients in the hospital. Additionally, VLBW infants are susceptible to prematurity-related morbidities, including late-onset sepsis, bronchopulmonary dysplasia (BPD), necrotizing enterocolitis, and retinopathy of prematurity, which have short- and long-term economic consequences. The incremental cost of these morbidities during the neonatal intensive care unit (NICU) hospitalization is high, ranging from


Journal of Perinatology | 2014

Quality Indicators for Human Milk Use in Very Low Birthweight Infants: Are We Measuring What We Should be Measuring?

Harold R. Bigger; Louis J. Fogg; Aloka L. Patel; Tricia J. Johnson; Janet L. Engstrom; Paula P. Meier

10,055 (in 2009 US


Archives of Disease in Childhood | 2017

Influence of own mother's milk on bronchopulmonary dysplasia and costs

Aloka L. Patel; Tricia J. Johnson; Beverley Robin; Harold R. Bigger; Ashley Buchanan; Elizabeth Christian; Vikram Nandhan; Anita Shroff; Michael E. Schoeny; Janet L. Engstrom; Paula P. Meier

) for late-onset sepsis to


Pediatric Research | 1998

Sudden Infant Death Syndrome (SIDS): Accessibility of Risk Factor Information at Newborn Hospital Discharge in Cook County, Illinois by Level of Care 613

Harold R. Bigger; Jean M. Silvestri; Debra E. Weese-Mayer

31,565 for BPD. Human milk has been shown to reduce both the incidence and severity of some of these morbidities and, therefore, has an indirect impact on the cost of the NICU hospitalization. Furthermore, human milk may also directly reduce NICU hospitalization costs, independent of the indirect impact on the incidence and/or severity of these morbidities. Although there is an economic cost to both the mother and institution for providing human milk during the NICU hospitalization, these costs are relatively low. This review describes the total cost of the initial NICU hospitalization, the incremental cost associated with these prematurity-related morbidities, and the incremental benefits and costs of human milk feedings during critical periods of the NICU hospitalization as a strategy to reduce the incidence and severity of these morbidities.


Pediatric Research | 1997

The Influence of Increased Survival in Very Low Birth Weight (VLBW), Low Birth Weight (LBW) and Normal Birth Weight (NBW) Infants on the Incidence of Sudden Infant Death Syndrome (SIDS): 1985-1991. |[dagger]| 1134

Harold R. Bigger; Jean M. Silvestri; Susan Shott; Debra E. Weese-Mayer

Objective:The objective of this study was to compare the currently used human milk (HM) quality indicators that measure whether very low-birthweight (VLBW; <1500 g birthweight) infants ‘ever’ received HM and whether they were still receiving HM at discharge from the neonatal intensive care unit (NICU) to the actual amount and timing of HM received.Study Design:This study used data from a large NIH-funded cohort study and calculated whether VLBW infants ever received HM (HM-Ever) and of these infants, the percentage who were still receiving HM at NICU discharge (HM-DC). Then, the HM-DC indicator (exclusive, partial and none) was compared with the amount and timing of HM feedings received by these same infants.Result:Of the 291 VLBW infants who met inclusion criteria, 285 received some HM (HM-Ever=98%). At NICU discharge (HM-DC), 24.2, 15.1 and 60.7% were receiving exclusive, partial and no HM, respectively. Of the 60.7% infants with no HM-DC, some had received higher amounts of HM during the NICU hospitalization than infants categorized as exclusive and partial for HM-DC. Of the infants with no HM-DC, 76.8 and 59.7% had received exclusive HM during the days 1–14 and days 1–28 exposure periods, respectively.Conclusion:The average daily dose (HM-DD; in ml kg−1 d−1) and cumulative percentage (HM-PCT; as % of cumulative enteral intake) of HM feedings were sufficient to significantly reduce the risk of multiple morbidities, including late-onset sepsis, necrotizing enterocolitis, neurocognitive delay and rehospitalization, in the majority of the VLBW infants who were discharged with no HM-DC. Quality indicators that focus on the amount and timing of HM feedings in the NICU should be added to the HM-Ever and HM-DC measures.


American Journal of Public Health | 1996

The cost of prematurity: a case-control study of twins vs singletons.

Barbara Luke; Harold R. Bigger; Sue Leurgans; Dale Sietsema

Background Human milk from the infants mother (own mothers milk; OMM) feedings reduces the risk of several morbidities in very low birthweight (VLBW) infants, but limited data exist regarding its impact on bronchopulmonary dysplasia (BPD). Objective To prospectively study the impact of OMM received in the neonatal intensive care unit (NICU) on the risk of BPD and associated costs. Design/methods A 5-year prospective cohort study of the impact of OMM dose on growth, morbidity and NICU costs in VLBW infants. OMM dose was the proportion of enteral intake that consisted of OMM from birth to 36 weeks postmenstrual age (PMA) or discharge, whichever occurred first. BPD was defined as the receipt of oxygen and/or positive pressure ventilation at 36 weeks PMA. NICU costs included hospital and physician costs. Results The cohort consisted of 254 VLBW infants with mean birth weight 1027±257 g and gestational age 27.8±2.5 weeks. Multivariable logistic regression demonstrated a 9.5% reduction in the odds of BPD for every 10% increase in OMM dose (OR 0.905 (0.824 to 0.995)). After controlling for demographic and clinical factors, BPD was associated with an increase of US


Journal of Obstetric, Gynecologic, & Neonatal Nursing | 2000

Mothers’ Performing Creamatocrit Measures in the NICU: Accuracy, Reactions, and Cost

Terry Griffin; Paula P. Meier; Laura P. Bradford; Harold R. Bigger; Janet L. Engstrom

41 929 in NICU costs. Conclusions Increased dose of OMM feedings from birth to 36 weeks PMA was associated with a reduction in the odds of BPD in VLBW infants. Thus, high-dose OMM feeding may be an inexpensive, effective strategy to help reduce the risk of this costly multifactorial morbidity.

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Paula P. Meier

Rush University Medical Center

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Janet L. Engstrom

Rush University Medical Center

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Aloka L. Patel

Rush University Medical Center

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Tricia J. Johnson

Rush University Medical Center

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Beverly Rossman

Rush University Medical Center

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Jean M. Silvestri

Rush University Medical Center

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Louis Fogg

Rush University Medical Center

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