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Research Article | Open Access
Michael K. Hole, Keely Olmsted, Athanase Kiromera, Lisa Chamberlain, "A Neonatal Resuscitation Curriculum in Malawi, Africa: Did It Change In-Hospital Mortality?", International Journal of Pediatrics, vol. 2012, Article ID 408689, 8 pages, 2012. https://doi.org/10.1155/2012/408689
A Neonatal Resuscitation Curriculum in Malawi, Africa: Did It Change In-Hospital Mortality?
Objective. The WHO estimates that 99% of the 3.8 million neonatal deaths occur in developing countries. Neonatal resuscitation training was implemented in Namitete, Malawi. The study's objective was to evaluate the training's impact on hospital staff and neonatal mortality rates. Study Design. Pre-/postcurricular surveys of trainee attitude, knowledge, and skills were analyzed. An observational, longitudinal study of secondary data assessed neonatal mortality. Result. All trainees' () outcomes improved, (). Neonatal mortality did not change. There were 3449 births preintervention, 3515 postintervention. Neonatal mortality was 20.9 deaths per 1000 live births preintervention and 21.9/1000 postintervention, (). Conclusion. Short-term pre-/postintervention evaluations frequently reveal positive results, as ours did. Short-term pre- and postintervention evaluations should be interpreted cautiously. Whenever possible, clinical outcomes such as in-hospital mortality should be additionally assessed. More rigorous evaluation strategies should be applied to training programs requiring longitudinal relationships with international community partners.
There are 3.82 million neonatal deaths each year with a global neonatal mortality rate of 30 per 1000 live births . The World Health Organization (WHO) estimates that each year 99% of those neonatal deaths occur in developing countries . Neonatal mortality from birth asphyxia ranges from 40 to 610 neonatal deaths per 1000 live births [3–5], and nearly 1 out of every 4 neonatal deaths in Malawi is a result of birth asphyxia . A lack of protocol and systemized training in neonatal resuscitation to reduce neonatal mortality secondary to birth asphyxia is common across sub-Saharan Africa . As such, the United Nations’ Millennium Development Goal 4—to reduce the 1990 mortality rate among under-five children by two-thirds by 2015—cannot be realized without educational efforts in neonatal resuscitation. As neonatal deaths make up 41% of under-5 mortality , neonatal resuscitation training is key.
Effective neonatal resuscitation is possible with basic equipment and skills in low-resource settings . Case studies from China and India reveal that 90% of newborns with asphyxia require only drying, warming, and stimulation for complete revival [10, 11]. Such techniques coupled with ensuring a patent airway, suctioning, ventilation, administering oxygen, and chest compressions are part of the Neonatal Resuscitation Program (NRP) , an educational intervention based on the consensus of science and resuscitation guidelines of the International Liaison Committee on Resuscitation and published by the American Academy of Pediatrics and the American Heart Association. NRP is the developed world’s standard of care to prevent death and complications of cerebral palsy due to asphyxia , and, when systematically implemented by trained personnel, has the potential to annually prevent 192 000 intrapartum-related neonatal deaths worldwide and 5–10% of deaths related to preterm complications . Curriculums with components of NRP have significantly improved healthcare providers’ knowledge, skills, and attitudes in developing countries [15, 16] and decreased neonatal mortality in the developing world up to 65.7 percent [10, 17, 18]. One study revealed declines in national trends of neonatal mortality over an 8-year period following NRP integration across Malaysia . Furthermore, a 44.6% decline in neonatal mortality was seen with WHO’s Essential Newborn Care (ENC) curriculum in Zambia, a resuscitation curriculum separate from the NRP . Conversely, a recent study of ENC among 57 643 infants and NRP among 62 366 infants showed no reduction in mortality rates for either program . Resource-constricted environments, often overflowing with competing needs and challenges like staff turnover, outdated equipment, and low levels of education, can render true change challenging to accomplish. Because the literature reports conflicting results following NRP training, a meta-analysis was performed which was inconclusive on all-cause neonatal mortality .
An increasing number of medical students and residents spend professional time working abroad [23, 24]. International health experiences have been shown to increase students’ interest in public health, likelihood of choosing a career in primary care, and commitment to serving the underserved . Many medical schools and residency programs now offer global health curriculum tracks, elective clinical rotations, and opportunities for research in developing world settings. Unfortunately, such research tends to examine short-term programs using pre- versus postintervention evaluations of participants while failing to evaluate patient outcomes. This reality is reflected in the current literature surrounding the assessment of neonatal resuscitation training efforts in the developing world [26–29].
Pediatric residents at Stanford University’s Lucile Packard Children’s Hospital (LPCH) developed a partnership with St. Gabriel’s Hospital in Namitete, Malawi, Africa in January 2008. Stanford residents conducted a needs assessment in March 2008 that identified an interest in neonatal resuscitation training for the hospital’s staff to reduce neonatal mortality. In response, Stanford residents developed and implemented NRP-based training to train St. Gabriel’s Hospital physicians, clinical officers, and midwives (). The goal of this project was to evaluate the intervention on two levels: (1) the impact on trainees through a pre-/postcurricular evaluation and (2) the impact on neonatal mortality rates at St. Gabriel’s Hospital.
2.1. Neonatal Resuscitation Training
The curriculum was based upon the American Academy of Pediatrics NRP  and tailored in response to the constricted time and resources deemed feasible by on-site community leaders. The curriculum required a total of 6 hours: two hours of lecture, one hour of demonstration, and three hours of hands-on, scenario-driven sessions using mannequins to address components of NRP techniques, and oxygen was available (Table 1). During September of 2008, weekly training sessions for small groups of employees () were held. The course was taught on one day by two Pediatrics residents in the same room with all 14 participants present.
|1 NRP has 7 lessons: (1) Principles of Resuscitation, (2) Initial Steps in Resuscitation, (3) Bag and Mask Ventilation, (4) Chest Compression, (5) Endotracheal Intubation, (6) Medications, and (7) Special Considerations. The LPCH NRP-based curriculum incorporates lessons (1), (2), (3), (4), and (7). |
2 Infant mannequins are used for demonstrations and trainee practice sessions.
3 NRP scenarios are adapted to local context and read by course instructor. Trainees react to the scenario while practicing resuscitation skills on infant mannequins. Instructor provides feedback as necessary on sequential steps of proper neonatal resuscitation for each scenario.
A survey tool was developed to assess pre-/posteducational intervention impact. The survey consisted of 18 queries covering three domains: attitude, knowledge, and skills. This tool was developed with the assistance of an expert in survey design, pilot-tested, and modified accordingly. Students’ -test was used to compare mean score changes for the pre-/post-educational intervention surveys. The pre-/postintervention instrument can be obtained by contacting the lead author.
2.2. Neonatal Mortality
An observational, longitudinal study, and secondary data analysis was performed by data abstraction from existing hospital administration data provided by St. Gabriel’s Hospital. Total neonatal deaths was the primary outcome for this analysis. Retrospective data revealed 20.9 neonatal deaths per 1000 live births at St. Gabriel’s Hospital. Assuming a 44.6% decline [10, 17, 18, 20] to 11.6 neonatal deaths per 1000 live births, a two-tail test with 80% statistical power and a 95% confidence interval required at least 2956 subjects in both arms.
2.2.2. Data Source
Health Facility Surveillance Forms (HFSFs), collected since 1971, contained anonymous data transferred from admission, delivery, and female ward books by a St. Gabriel’s Hospital Records Assistant. The HFSFs included total number of deliveries, neonatal and maternal complications, and live births reported for each calendar month. The neonatal complications recorded included 5-minute Apgar 5 or less/asphyxia, neonatal sepsis, born-before-arrival, premature baby, baby less than 2500 grams, malformation, and HIV-infected. Maternal complications included prolonged obstructed labor, antepartum hemorrhage, postpartum hemorrhage, severe preeclampsia, eclampsia, puerperal sepsis, ruptured uterus, retained placenta, ectopic pregnancy, abortion, and anemia. Data for stillbirths were incomplete and thus unable to be analyzed. Birth datasets from 2006 to 2008 at St. Gabriel’s Hospital showed approximately 3000 live births during any 15-month period. Thus, datasets for 15 months (June 2007 to August 2008) before intervention and 15 months (October 2008 to December 2009) after intervention were analyzed. Datasets from September 2008, the month of neonatal resuscitation training, were excluded.
2.2.3. Statistical Analysis
Contingency tables of neonatal mortality and survival and a Fisher’s Exact Test were calculated to compare the proportion of neonatal mortality prior to and following the LPCH NPR curriculum intervention. The evaluation was based on total number of deaths during the two 15-month periods. A value of less than 0.05 was considered statistically significant. SPSS version 17.0 software was used. The Stanford University Institutional Review Board determined that this study does not meet the Human Research Protection Program’s definitions of human subject research because we did not obtain or receive private, individually identifiable information.
Fourteen of 26 birth attendants at St. Gabriel’s received training at St. Gabriel’s Hospital in September 2008. The trainees consisted of two physicians, eight clinical officers, and four midwives. No trainees had previous neonatal resuscitation training and all trainees worked in the labor ward, antenatal unit, and female ward from October 2008 to December 2009. One trainee was further trained as an instructor. The pre-/posttest comparison evaluating all aspects of the module found that training scores improved from an average of 38.6% to 64.4%: attitude scores improved from 45% to 76.3%, knowledge scores improved from 30.4% to 58.7%, and skills scores improved from 57.5% to 75.5%, () (Table 2).
|1 Combined Students’ paired -Test with two-tailed distribution, ().|
A total of 6 694 neonates born at St. Gabriel’s Hospital were studied. There were 3 449 births preintervention and 3 515 births postintervention (Table 3, see the appendix). The neonatal mortality rate across the study’s first 15 months (before intervention) was 20.9 neonatal deaths per 1000 live births compared to 21.9 neonatal deaths per 1000 live births in the 15 months after intervention, a 0.10% difference, () (Table 3). The five-minute Apgar score less than 5 fell from 131 preintervention to 66 postintervention (Table 3). Complete data on neonatal deaths (to 28 days) was not available; only in-hospital deaths are recorded. Maternal mortality was 4.1 maternal deaths per 1000 live births preintervention compared to 2.0 maternal deaths per 1000 live births postintervention, () (Table 3).
|Fisher’s exact test indicates that the difference between pre- and postintervention percent neonatal mortality is not statistically significant, (). The difference between pre- and postintervention percent maternal mortality is not statistically significant, ().|
The results of our study reject the hypothesis that neonatal mortality rates are lower at St. Gabriel’s Hospital following the LPCH neonatal resuscitation curriculum intervention, despite the positive results of the pre-/postintervention evaluation. This highlights the necessity for evaluating interventions at the level of the primary outcome—in this case, neonatal mortality—and not relying on intermediary results like trainee attitude, knowledge, and skills. While the neonatal mortality rates before the LPCH neonatal resuscitation curriculum (20.9 neonatal deaths per 1000 live births) and after the intervention (21.9 per 1000) were not statistically different, it is interesting to note that the neonatal complication of a five-minute Apgar score less than 5 was decreased postintervention. It is possible that the LPCH neonatal resuscitation training had a positive impact for a small group of health providers reflected by the reduction of the five-minute Apgar score less than 5 from 131 preintervention to 66 postintervention. However, it appears that the clinical impact was not sufficient to reduce overall in-hospital mortality.
There are four possible explanations for the discordant results between our pre-/postintervention evaluation data and our mortality data. First, the modification of NRP required for the program’s effectiveness within this time- and resource-deprived setting may have resulted in the unchanged rates of neonatal mortality. The modifications may have rendered the curriculum too short. What may be efficacious in a controlled setting might not be feasible or effective in developing communities. Second, factors external to the curriculum may have overwhelmed any statistically significant impact. For example, there was staff turnover with seven of the 14 health workers who received the LPCH neonatal resuscitation training continuing to work at St. Gabriel’s. This likely had a negative impact on the level of neonatal resuscitation at deliveries. This creates a compelling case for the necessity of longitudinal train-the-trainer programs for St. Gabriel’s staff. Third, our curriculum may not have addressed crucial aspects in the care of neonates. For example, the WHO Essential Newborn Care program addressed topics like cleanliness, temperature management, infection prevention, skin-to-skin care, breastfeeding, care of the small infant, and care of common illnesses. A recent study shows this program’s relative effectiveness in reducing neonatal mortality rates . Fourth, the LPCH neonatal resuscitation curriculum may not incorporate enough adult learning theory. Simulation-based training can be an effective educational methodology to promote skill acquisition and performance enhancement in neonatal resuscitation providers . The LPCH neonatal resuscitation curriculum may be overwhelmed by didactical instruction (representing three of the six total hours) compared to hands-on activity. We hope that a qualitative assessment of the LPCH neonatal resuscitation training at St. Gabriel’s Hospital will allow our community partner to make recommendations for further curriculum modifications.
Our findings are consistent with a study in Zambia that reports significant improvement in healthcare providers’ knowledge and skills following curriculum intervention despite a limited application of curriculum guidelines due to local conditions . Although NRP training reduces neonatal mortality in controlled, nonrandomized studies in China, India, and Africa [10, 15, 32, 33], the literature surrounding NRP curriculums’ impact is not consistent. Our results contribute to that literature. These findings may have important implications for the children of the developing world born without adequate neonatal resuscitation services because of the complexity and high program cost [13, 34]. However, if 90% of asphyxiated newborns require only drying, warming, and stimulation for survival, then an abbreviated NRP-based curriculum could improve outcomes in an affordable way .
There has been a general progression in the evidence behind neonatal resuscitation. The WHO published its abbreviated NRP called Basic Newborn Resuscitation (BNR) in 1997 , a potential outline for future programs aimed at reducing developing world neonatal mortality. The assessment of BNR’s effect on outcomes has been limited. It is possible that, like the LPCH neonatal resuscitation curriculum, such abbreviated education programs may not improve outcomes and be too costly in time. Health care workers’ time away from patient care while in workshops can be a difficult obstacle to overcome, particularly in the developing world. However, Helping Babies Breath (HBB) , an evidence-based educational program released in June 2010 by the American Academy of Pediatrics, was developed to improve and be compatible with existing neonatal resuscitation programs experiencing the common obstacles of low-resource settings. HBB trains birth attendants in only the essential skills of newborn resuscitation (assessment, temperature support, stimulation to breathe, and assisted ventilation as needed) with particular emphasis on the first minute after birth. Studies to assess HBB’s impact on outcomes are underway.
Our study has five important limitations to consider. First, its retrospective analysis of large aggregate data brings inherent restrictions. Data at the individual patient level could have revealed a statistically significant impact of the LPCH neonatal resuscitation curriculum on neonatal mortality for certain subpopulations of neonates born at St. Gabriel’s such as stillbirths. A prospective study, for example, in India found that while neonatal mortality did not decrease following the implementation of neonatal resuscitation programs, asphyxia-related deaths did significantly decline . We were limited in our ability to individually track cases because such data is not collected at St. Gabriel’s Hospital; thus, we were unable to compare the two cohorts on variables such as maternal age, prenatal health, and maternal health. Efforts to collect this individual patient data pose a significant administrative burden to our community partner. Second, the nature of the busy labor wards at St. Gabriel’s Hospital poses a significant challenge to collecting data on how many deliveries are covered by individuals who received LPCH neonatal resuscitation training and if the skills learned during training are applied in postintervention months by trainees. Third, our results may be limited in generality. This was a unique NRP-based curriculum in a specific developing community. However, curricula must be tailored to meet the needs and realities of their settings. Fourth, we may have experienced a glass-ceiling effect. The Malawian neonatal mortality rate is low as compared to much of the developing world as it falls below the 30 deaths per 1000 live births target of Millennium Development Goal number 4 . Finally, we were unable to compare the pre- and postintervention maternal complications given that the data were collected in aggregate. It was impossible to determine whether the observations were independent of one another as one female might have given birth during both the pre- and postintervention periods. Analytical approaches were limited due to the two samples violating the assumption of independence.
Global health interventions require robust evaluation. Short-term pre- versus postintervention assessments frequently show positive results, as ours did. These results are only proximal measures, however, and do not evaluate many projects’ goals such as reducing neonatal mortality. We believe the primary contribution of this study is that it creates a compelling case for applying rigorous evaluation strategies to international health education initiatives. Longitudinal relationships with community partners are required for thorough evaluation. Short-term commitments can be unhelpful, costly in time and money, or even harmful. We aspire to practice evidence-based medicine for the betterment of patient outcomes as physicians in the United States. We should hold ourselves to the same, high standards when providing care to the developing world.
For more details, see Table 4.
|BNR:||Basic newborn resuscitation|
|ENC:||Essential newborn care|
|HFSFs:||Health facility surveillance forms|
|HBB:||Helping babies breathe|
|LPCH:||Lucile Packard Children’s Hospital|
|NRP:||Neonatal Resuscitation Program|
|WHO:||World Health Organization.|
Conflict of Interests
The authors declare no conflict of interests.
First, the authors are indebted to their community collaborators, without whom this work would not be feasible. The authors would also like to thank Janine Bishop, Melina Bersamin, and Hilda Kamera for their contributions to this study, as well as Drs. Susan Niermeyer and Ron Ariagno for their thoughtful reviews. Funding was provided by the Stanford University School of Medicine’s Medical Scholars Research Program and the Department of Community Relations at Lucile Packard Children’s Hospital. This work was previously presented at the following conferences: the Unite for Sight Global Health and Innovation 2011 Conference at Yale University, the 2010 Pediatric Academic Societies’ Annual Meeting, and the Bay Area International Health Interest Group Conference, at which they received First Place Award for Presentation in Evaluation and Policy Category. The authors are grateful for the encouragement this award provided.
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Copyright © 2012 Michael K. Hole et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.