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Biomedical subjects

Vinod K Paul

Publications and source records attributed to Vinod K Paul.

At least 19 recordsLinked to original sources

The current state of newborn health in low income countries and the way forward.

Of the 4 million neonatal deaths that occur worldwide each year 99% of these occur in developing countries. South Asia and sub-Saharan Africa regions account for two thirds of the global burden. Skilled professionals attend only 35% deliveries in South Asia and 41% in sub-Saharan Africa. Known, affordable interventions delivered through a rational mix of outreach, family/community and clinical services can reduce over 70% of all neonatal deaths. The Millennium Development Goal of reducing the mortality of children under 5 years by two thirds by the year 2015 from the 1990 baseline would require a substantial reduction in neonatal mortality in the next decade. For this, the low and middle-income countries must urgently review their existing programs, and design and implement improved, integrated action plans for maternal, newborn and child health. International community, including the academics, institutions and professional bodies in developed countries can play a crucial role to make this mission a success.

Africa South of the Sahara↗

Breastfeeding practices and health-seeking behavior for neonatal sickness in a rural community.

The aim of the study was to evaluate the knowledge of mothers and grandmothers regarding breastfeeding and health-seeking behavior for neonatal sickness in a rural community. A cross-sectional survey, using a triangulation of qualitative (focus group discussion) and quantitative (structured questionnaire) methods was carried out. Although most of the grandmothers and mothers believed in early feeding within 2 h of delivery, they often administered prelacteal feeds such as ghutti and honey. Colostrum was considered beneficial. Most respondents believed that ghutti, water, or both should be given along with breastmilk. Diluted buffalo milk was the preferred choice if supplementation was required. It was thought that weaning should be introduced after 6 months of life. Mothers preferred to give dalia and khichri as the initial weaning food compared to roti and dal water by grandmothers. Both grandmothers and mothers felt that a baby who was playful and not crying excessively was usually healthy. Most of the respondents described the normal pattern of breathing, feeding, urination, and defecation adequately. Most of the grandmothers and mother's felt that by touching forehead and limbs of baby could reliably assess temperature. Refusal to feed was considered as a marker of a sickness by most grandmothers and mothers. However, they also believed that health-seeking for poor feeding could be delayed for 1 day. Respiratory distress was described by the presence of fast respiration, chest retractions, or noisy breathing. Most respondents did not know how to assess cyanosis or seizures. Jaundice was descried as yellowish discoloration of skin, eyes, and urine. Failure to pass urine for 4-6 h bothered most of the respondents. The first response to illness was home remedies. The choice of healthcare was unqualified village practitioners followed by government hospital. Knowledge regarding desirable breastfeeding practices was inadequate and quite a few inappropriate beliefs were widely prevalent. Although knowledge regarding sickness was present, health-seeking from qualified providers was considerably delayed with most respondents preferring village practitioners to government hospitals.

Age Factors↗

Why do neonates die in rural Gadchiroli, India? (Part I): primary causes of death assigned by neonatologist based on prospectively observed records.

OBJECTIVE: To determine the primary causes of death in home-cared rural neonates by using prospectively kept health records of neonates and a neonatologist's clinical judgment. STUDY DESIGN: In the first year (1995 to 1996) of the field trial in Gadchiroli, India, trained village health workers observed neonates in 39 villages by attending home deliveries and making eight home visits during days 0 to 28. The recorded data were validated in the field by a physician. An independent neonatologist assigned the most probable single primary cause of death based on these recorded data. FINDINGS: A total of 763 neonates were observed, of whom 40 died (NMR 52.4/1000). The primary causes of death were sepsis/pneumonia 21 (52.5%), asphyxia 8 (20%), prematurity <32 weeks 6 (15%), hypothermia 1 (2.5%), and other/not known 4 (10%). Most of the prematurity or asphyxia deaths occurred during the first 3 days of life. All 21 sepsis/pneumonia deaths occurred during days 4 to 28. A similar picture existed in England before the antibiotic era. CONCLUSION: Sepsis/pneumonia is the primary cause in half the deaths in rural neonates cared for at home in Gadchiroli, followed by asphyxia and prematurity. Infections cause a larger proportion of deaths in neonates in the community compared to the reported proportion in hospital-based studies.

Cause of Death↗

Simple clinical criteria to identify sepsis or pneumonia in neonates in the community needing treatment or referral.

BACKGROUND: Sepsis, meningitis and pneumonia annually kill 1.1 million neonates in developing countries; most deaths occur at home. OBJECTIVES: To develop simple clinical criteria, enabling health workers in communities to identify neonates with potentially fatal sepsis; and to identify the danger signs alerting mothers to seek care. METHODS: In a field trial in 39 villages in Gadchiroli, India, trained health workers visited all neonates at home 8 times during the first 28 days of life, recording signs and outcome without interventions during 1995-1996 and with home-based management of sick neonates during 1996-1999. An independent neonatologist assigned the cause of death. We use the term "sepsis" to include sepsis, meningitis and pneumonia. We evaluated 31 signs as predictors of 43 sepsis deaths among 3567 neonates. We also evaluated mothers' observations as the danger signs to seek care. RESULTS: Simultaneous presence of any 2 of 7 signs (reduced or stopped sucking; weak or no cry; limbs becoming limp; vomiting or abdominal distension; baby cold to touch; severe chest indrawing; umbilical infection) predicted sepsis death with sensitivity 100%, specificity 92%, positive predictive value 27.2% and negative predictive value 100% in the nonintervention period. The criteria identified 10.6% of the neonates in the community as suspected sepsis, at a mean of 5.4 days before death. The criteria remained valid in the postintervention period. Any 1 of the 5 maternally observed danger signs (reduced sucking, drowsy or unconscious, baby cold to touch, fast breathing and chest indrawing) gave 100% sensitivity and identified 23.9% neonates for seeking care. CONCLUSION: These criteria identify neonates in the community who are at risk for dying of infection with excellent sensitivity, specificity and negative predictive value but a moderate positive predictive value. They can be used by health workers to select sick neonates for treatment or referral. One potentially fatal case would be treated per 4 presumptive cases treated.

Adult↗

Regionalized perinatal care in developing countries.

Neonatal-perinatal ill health and mortality are overwhelmingly a burden of the developing world. As many as 90% of births, 98% of fetal deaths and 98% of neonatal deaths occur in less developed countries. Regionalized perinatal services were introduced in developed countries when most neonatal mortality was confined to very-low-birthweight babies who required intensive perinatal care to survive. A large proportion of newborn morbidity and mortality in developing countries, however, continues to occur among full-term and moderate-sized low-birthweight neonates who can be managed well in the community and at small hospitals. The model of regionalized perinatal care as practiced in developed countries is, at present, neither affordable nor relevant to the needs of many developing countries. It is possible to achieve considerably lower neonatal mortality rates in resource-poor settings by implementing home-based newborn care delivered by community health workers, and by promoting institutional perinatal care at simple facilities provided by trained midwives.

Developing Countries↗

Effect of fortification with human milk fortifier (HMF) and other fortifying agents on the osmolality of preterm breast milk.

This study was conducted to test the effect of fortification with human milk fortifier (HMF), low birth weight (LBW) formula and coconut oil, initially and upon subsequent storage, on the osmolality of preterm breast milk. Milk samples (n = 48) were collected from mothers (n = 25) delivered at 34 pounds weeks and fortified with HMF (Lactodex-HMF), LBW formula (Lactodex-LBW) and edible coconut oil. Osmolality was measured before and after fortification and after 6 hours,.The gestation and birth weight (median) was 31 (range 29-32) weeks and 1198 (range 716-1478) grams. The median (range) postnatal age at testing was 15 days (range 3-60 days). There was a significant increase in osmolality of breast milk (302.3 +/- l.82) after addition of HMF (392.9 +/- 3.01) and LBW formula (390.5 +/- 2.4). There was no change in osmolality with addition of coconut oil (304 +/- 1.6). There was no further change in the osmolality after 6 hours of storage at 4 degrees C.

Adult↗

Efficacy of oral phenobarbitone in term "at risk" neonates in decreasing neonatal hyperbilirubinemia: a randomized double-blinded, placebo controlled trial.

OBJECTIVE: To evaluate the efficacy of oral phenobarbitone in "at risk " term neonates (with high cord bilirubin) in decreasing hyperbilirubinemia. DESIGN: Double blind, placebo-control, randomized trial. SETTING: Tertiary level neonatal unit. OUTCOME: Primary-hyperbilirubinemia defined as total serum bilirubin (TSB) greater than 13 mg/dL. Secondary-TSB at 72 +/- 12 hr, need for phototherapy or exchange transfusion and side effects of phenobarbitone therapy. METHODS: All consecutively born term healthy neonates with cord bilirubin > or = 2.5 mg/dL were randomly assigned to receive either phenobarbitone (n = 37) or placebo (n = 38) after obtaining informed consent. Phenobarbitone was administered orally (5 mg/kg/day) for 3 days starting within 12 hours of birth. The neonates were followed up till seven days of life. TSB was estimated in neonates who developed jaundice with clinically assessed level of 8-10 mg/dL and at 72 +/-12 hours of age in 55 neonates. RESULTS: The baseline characteristics were similar in two groups. There was no significant reduction in incidence of hyperbilirubinemia in phenobarbitone group compared to in placebo group (6/37 (16.2%) versus 13/38 (34.3%); RR 0.47, 95% confidence interval: 0.20-1.11; risk difference: -18.1%, 95% confidence interval: -39.5 to 3.3%). However TSB at 72 +/-12 hours in phenobarbitone group (mean +/- S.D: 10.0 +/- 3.7 mg/dL) was significantly lesser than in placebo group (mean +/- S.D: 12.3 +/- 3.3 mg/dL) (difference of means: -2.3 mg/dL, 95% confidence interval: -3.9 to -0.7 mg/dl, P = 0.018). No significant difference with respect to need for treatment was observed in two groups. No significant adverse effects of phenobarbitone were noted. CONCLUSIONS: Prophylactic phenobarbitone is not helpful in reducing the incidence of hyper-bilirubinemia in "at risk" term neonates.

Double-Blind Method↗

Effects of oral Lactobacillus GG on enteric microflora in low-birth-weight neonates.

BACKGROUND: Colonization patterns, especially by anaerobic flora, may play an important role in neonatal gut function. Probiotics could affect disease risk either directly through colonization or indirectly by promoting changes in gut microbial ecology. METHODS: To study the ability of Lactobacillus GG(LGG) to colonize the neonatal gut and modify its microbial ecology, a prospective, randomized study was performed in 71 preterm infants of less than 2000 g birth weight. Infants less than 1500 g (24 treated, 15 control) received 10(9) LGG orally twice daily for 21 days. Those infants weighing 1500 to 1999 g (23 treated, 9 control) were treated for 8 days. Stools were collected before treatment and on day 7 to 8 (and day 14 and 21, in the infants weighing less than 1500 g) for quantitative aerobic and anaerobic cultures. RESULTS: Colonization with LGG occurred in 5 of 24 (21%) infants who weighed less than 1500 g versus 11 of 23 (47%) in larger infants. Colonization was limited to infants who were not on antibiotics within 7 days of treatment with LGG. There was a paucity of bacterial species at baseline, although larger infants had more bacterial species (1.59 +/- 0.13 (SEM) vs 1.11 +/- 0.12; P < 0.03) and higher mean log colony forming units (CFU) (8.79 +/- 0.43 vs 7.22 +/- 0.63; P < 0.05) compared with infants weighing less than 1500 g LGG. Treatment in infants weighing less than 1500 g resulted in a significant increase in species number by day 7, with further increases by day 21. This increase was mainly the result of increased Gram (+) and anaerobic species. No difference in species number was noted in controls. Mean log CFU of Gram (-) bacteria did not change in treated infants weighing less than 1500 g. However, Gram (+) mean log CFU showed a significant increase on day 21 (6.1 +/- 0.9) compared with day 0 (3.5 +/- 0.9) (P < 0.05). No significant changes in species number or quantitative counts were noted after LGG treatment in the infants weighing 1500 to 1999 g LGG was well tolerated in all infants. CONCLUSION: The neonatal response to a probiotic preparation is dependent on gestational and post-natal age and prior antibiotic exposure. Although LGG is a relatively poor colonizer in infants, especially those infants weighing less than 1500 g at birth, it does appear to affect neonatal intestinal colonization patterns.

Administration, Oral↗

Survival and morbidity in extremely low birth weight (ELBW) infants.

We report the morbidity and mortality in extremely low birth weight neonates (ELBW) from a tertiary care hospital over seven years (1994-2000). Data regarding maternal and neonatal details was obtained from old records, computer database and medical files. Of the 12,807 live births during this period, 137 (1.07%) were ELBW infants. All of them were managed without surfactant. Overall, 67 infants (48.7%) survived to discharge. The most commonly encountered morbidities were hyperbilirubinemia(65%), respiratory distress(65%), sepsis(52%), intraventricular hemorrhage(29%), pneumonia (25%) and retinopathy of prematurity(24%). Need for resuscitation, pulmonary hemorrhage, seizures, acute renal failure, sclerema and air leak syndromes were significantly associated with mortality. Sepsis accounted for 41% of all deaths while immaturity was the second most important cause, accounting for 24% deaths. The average length of stay for survivors was 49 days (SD +/- 15.9 days)

Female↗

Polycythemia in the newborn.

Polycythemia is defined as a venous hematocrit above 65%. The relationship between viscosity and hematocrit is almost linear till 65% and exponential thereafter. Increased viscosity of blood is associated with symptoms of hypo-perfusion. The hematocrit in a newborn peaks at 2 hours of age and decreases gradually after that. The etiology of polycythemia is related either to intra-uterine hypoxia or secondary to fetal transfusion. Clinical features related to hyperviscosity may affect all organ systems and this entity should be screened for in high-risk infants. Polycythemia maybe symptomatic or asymptomatic and guidelines for management of both types are provided in the protocol.

Blood Viscosity↗

Retinopathy of prematurity.

With improving survival of very low birth infants in India, Retinopathy of Prematurity (ROP is likely to emerge as a significant problem. The most important risk factor in the pathogenesis of ROP is prematurity. Other factors like frequent blood transfusions; sepsis, apnea and problems with oxygenation have also been implicated in the causation of ROP. Essentially asymptomatic in the initial stages, a good screening program is essential for the early detection and treatment of this condition. Description of the various stages and threshold ROP has been included in the protocol. Guidelines regarding the procedure of dilatation, ophthalmic examination and treatment (if required) has been provided in the protocols. Close cooperation between the ophthalmologist and neonatologist is essential for a successful program.

Humans↗

Changing profile of retinopathy of prematurity.

The aim of this study was to determine the evolving trends of retinopathy of prematurity (ROP) at a tertiary neonatal intensive care unit. In an ongoing screening programme for ROP, we estimated the incidence of ROP among at-risk neonates in a tertiary care unit. We compared our data over the last 12 months (1999-2000; period II) to the previously published data (1993-94; period I) to study changes in the spectrum of the disease. The overall incidence of ROP in period II was not significantly different from the incidence in period I (32 vs. 20 per cent, p > 0.05). However, a decreasing trend in the proportion of severe ROP (stage III) from 46 to 21 per cent in the later period was noted. The need for cryotherapy also dropped significantly compared with the earlier period (8 vs. 46 per cent respectively, p < 0.05). On multivariate analysis, apnea (p < 0.001; RR = 12.5; 95 per cent CI, 3.03-50.9; clinical sepsis (p < 0.001; RR = 5.7; 95 per cent CI, 1.6-20.7); and male sex (p < 0.001; RR = 6.3; 95 per cent CI 1.6-25.5) emerged as significant risk factors. Although the incidence of ROP is static, the more severe form of the disease (stage III) is showing a decline. Our data suggests that efficient management of apnea and sepsis may be crucial in further minimizing the risk of ROP.

Analysis of Variance↗

Recognition of and response to postpartum hemorrhage in rural northern India.

This study describes the results of a Morbidity and Performance Assessment (MAP) conducted to provide insight into the medical factors contributing to maternal and newborn morbidity and mortality in a rural district of northern India, and to use these insights to develop a locally appropriate, community-based safe motherhood program The MAP study was based on verbal autopsy method. Five hundred ninety-nine women (or in the case of 9 maternal deaths, a family member) participated in the study. This article describes a subsample of women who reported signs or symptoms suggesting excessive bleeding (n = 159). Findings include a poor knowledge of danger signs; poor problem recognition during labor, birth, and the immediate postpartum period; and a low level of health seeking that was consistent with poor recognition. Maternal sociodemographic characteristics, antenatal care use, and knowledge of danger signs were generally not associated with problem recognition and health seeking. The case fatality rate was 4%. These findings suggest an urgent need to understand the phenomenon of problem recognition and to integrate this into the design of interventions to reduce delays in health seeking.

Adolescent↗

Systematic scaling up of neonatal care in countries.

Every year about 70% of neonatal deaths (almost 3 million) happen because effective yet simple interventions do not reach those most in need. Coverage of interventions is low, progress in scaling up is slow, and inequity is high, especially for skilled clinical interventions. Situations vary between and within countries, and there is no single solution to saving lives of newborn babies. To scale up neonatal care, two interlinked processes are required: a systematic, data-driven decision-making process, and a participatory, rights-based policy process. The first step is to assess the situation and create a policy environment conducive to neonatal health. The next step is to achieve optimum care of newborn infants within health system constraints; in the absence of strong clinical services, programmes can start with family and community care and outreach services. Addressing missed opportunities within the limitations of health systems, and integrating care of newborn children into existing programmes--eg, safe motherhood and integrated management of child survival initiatives--reduces deaths at a low marginal cost. Scaling up of clinical care is a challenge but necessary if maximum effect and equity are to be achieved in neonatal health, and maternal deaths are to be reduced. This step involves systematically strengthening supply of, and demand for, services. Such a phased programmatic implementation builds momentum by reaching achievable targets early on, while building stronger health systems over the longer term. Purposeful orientation towards the poor is vital. Monitoring progress and effect is essential to refining strategies. National aims to reduce neonatal deaths should be set, and interventions incorporated into national plans and existing programmes.

Child Health Services↗

Neonatal survival: a call for action.

To achieve the Millennium Development Goal for child survival (MDG-4), neonatal deaths need to be prevented. Previous papers in this series have presented the size of the problem, discussed cost-effective interventions, and outlined a systematic approach to overcoming health-system constraints to scaling up. We address issues related to improving neonatal survival. Countries should not wait to initiate action. Success is possible in low-income countries and without highly developed technology. Effective, low-cost interventions exist, but are not present in programmes. Specific efforts are needed by safe motherhood and child survival programmes. Improved availability of skilled care during childbirth and family/community-based care through postnatal home visits will benefit mothers and their newborn babies. Incorporation of management of neonatal illness into the integrated management of childhood illness initiative (IMCI) will improve child survival. Engagement of the community and promotion of demand for care are crucial. To halve neonatal mortality between 2000 and 2015 should be one of the targets of MDG-4. Development, implementation, and monitoring of national action plans for neonatal survival is a priority. We estimate the running costs of the selected packages at 90% coverage in the 75 countries with the highest mortality rates to be US4.1 billion dollars a year, in addition to current expenditures of 2.0 billion dollars. About 30% of this money would be for interventions that have specific benefit for the newborn child; the remaining 70% will also benefit mothers and older children, and substantially reduce rates of stillbirths. The cost per neonatal death averted is estimated at 2100 dollars (range 1700-3100 dollars). Maternal, neonatal, and child health receive little funding relative to the large numbers of deaths. International donors and leaders of developing countries should be held accountable for meeting their commitments and increasing resources.

Child Health Services↗