Publications by authors named "Viraraghavan Vadakkencherry Ramaswamy"

Vitamin D deficiency in infants is widely prevalent. Most paediatric professional associations recommend routine vitamin D prophylaxis for infants. However, the optimal dose and duration of supplementation are still debated.

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Context: Heel prick is one among the common painful procedures in neonates. We performed a systematic review and network meta-analysis (NMA) to compare the efficacy of different interventions for analgesia during heel prick in neonates.

Evidence Acquisition: Medline, Cochrane, Embase and CINAHL databases were searched from inception until February 2023.

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Moving from an era of invasive ventilation to that of non-invasive respiratory support, various modalities have emerged resulting in improved neonatal outcomes. Respiratory distress is the commonest problem seen both in preterm and term neonates, and the use of appropriate respiratory support could be lifesaving. This article reviews the currently available non-invasive ventilation (NIV) strategies in neonates including nasal continuous positive airway pressure, nasal intermittent positive pressure ventilation (NIPPV), bi-level CPAP, heated humidified high flow nasal cannula, nasal high-frequency ventilation (NHFV) and non-invasive neutrally adjusted ventilatory assist (NIV-NAVA).

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Article Synopsis
  • Newborns are at higher risk for seizures, which can cause long-term neurodevelopmental issues, but the best treatment options for anti-seizure medications (ASMs) are still being debated.
  • The study aims to evaluate the effectiveness of different ASMs, the need for continued medication after seizure control, and the benefits of treating both clinical and electrographic seizures compared to clinical seizures alone.
  • Researchers conducted comprehensive searches of multiple medical databases for randomized controlled trials to gather data on seizure management in neonates, focusing on their effectiveness and potential long-term outcomes.
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Background: The ideal threshold at which surfactant administration in preterm neonates with respiratory distress syndrome (RDS) is most beneficial is contentious. The aim of this systematic review was to determine the optimal clinical criteria to guide surfactant administration in preterm neonates with RDS.

Methods: The systematic review was registered in PROSPERO (CRD42022309433).

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Background: Routine monitoring of gastric residuals in preterm infants on tube feeds is a common practice in neonatal intensive care units used to guide initiation and advancement of enteral feeding. There is a paucity of consensus on whether to re-feed or discard the aspirated gastric residuals. While re-feeding gastric residuals may aid in digestion and promote gastrointestinal motility and maturation by replacing partially digested milk, gastrointestinal enzymes, hormones, and trophic substances, abnormal residuals may result in vomiting, necrotising enterocolitis, or sepsis.

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Background: Routine monitoring of gastric residual in preterm infants on gavage feeds is a common practice used to guide initiation and advancement of feeds. It is believed that an increase in or an altered gastric residual may be predictive of necrotising enterocolitis (NEC). Withholding monitoring of gastric residual may take away the early indicator and thus may increase the risk of NEC.

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Multisystem inflammatory disease in neonates (MIS-N) is a disease of immune dysregulation presenting in the newborn period. Thouvgh its etiopathogenesis is proposed to be similar to multisystem inflammatory disease in Children (MIS-C), the exact pathophysiology is largely unknown as of present. The definition of MIS-N is contentious.

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Aim: The 2015 recommendation of the International Liaison Committee on Resuscitation of no routine tracheal suctioning in non-vigorous neonates born through meconium-stained amniotic fluid (MSAF) was based on very low certainty of evidence (CoE) necessitating ongoing monitoring. The aim of this systematic review was to perform a meta-analysis of observational studies comparing the effect of implementing immediate resuscitation without routine tracheal suctioning versus with routine suctioning in neonates born through MSAF.

Methods: MEDLINE, Embase, CENTRAL, and Web of Science were searched.

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Introduction: Placental transfusion strategies in preterm newborns have not been evaluated in low- and middle-income countries (LMICs). The objective of this systematic review was to compare placental transfusion strategies in preterm newborns in LMICs, including delayed cord clamping (DCC) for various time intervals, DCC until cord pulsations stop, umbilical cord milking, and immediate cord clamping (ICC).

Methods: Medline, Embase, CINAHL, and CENTRAL were searched from inception.

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Background: Cannulas with long and narrow tubing (CLNT) are increasingly being used as an interface for noninvasive respiratory support (NRS) in preterm neonates; however, their efficacy compared to commonly used nasal interfaces such as short binasal prongs (SBP) and nasal masks (NM) has not been widely studied.

Material And Methods: Medline, Embase, CENTRAL, Health Technology Assessment Database, and Web of Science were searched for randomized clinical trials (RCTs) and observational studies investigating the efficacy of CLNT compared to SBP or NM in preterm neonates requiring NRS for primary respiratory and post-extubation support. A random-effects meta-analysis was used for data synthesis.

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Background: Sedation to preterm neonates receiving less invasive surfactant administration (LISA) for respiratory distress syndrome is controversial.

Methods: Systematic review and meta-analysis of randomized controlled trials (RCTs) and observational studies (OS) to evaluate the effect of sedative drugs for LISA on respiratory outcomes and adverse effects.

Results: One RCT (78 neonates) and two OS (519 neonates) were analyzed in pairwise meta-analysis and 30 studies (2164 neonates) in proportion-based meta-analysis.

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Objective: The International Liaison Committee on Resuscitation (ILCOR) 2015 gave a weak recommendation based on low certainty of evidence against routine endotracheal (ET) suctioning in non-vigorous (NV) neonates born through meconium-stained amniotic fluid (MSAF) and suggested for immediate resuscitation without direct laryngoscopy. A need for ongoing surveillance post policy change has been stressed upon. This study compared the outcomes of NV MSAF neonates before and after implementation of the ILCOR 2015 recommendation.

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Importance: Bronchopulmonary dysplasia (BPD) has multifactorial etiology and long-term adverse consequences. An umbrella review enables the evaluation of multiple proposed interventions for the prevention of BPD.

Objective: To summarize and assess the certainty of evidence of interventions proposed to decrease the risk of BPD from published systematic reviews.

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Introduction: Periventricular leukomalacia (PVL) is a result of various antenatal, intrapartum, or postnatal insults to the developing brain and is an important harbinger of cerebral palsy in preterm neonates. There is no proven therapy for PVL. This calls for appraisal of targeted therapies that have been investigated in animal models to evaluate their relevance in a clinical research context.

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Aim: To study the impact of delivery room continuous positive airway pressure (DRCPAP) on outcomes of preterm neonates in low- and middle- income countries (LMICs) by comparing with interventions: oxygen supplementation, late DRCPAP, DRCPAP with sustained inflation, DRCPAP with surfactant and invasive mechanical ventilation (IMV).

Methods: Medline, Embase, CENTRAL, WOS and CINAHL searched. Observational studies and randomized controlled trials (RCTs) were included.

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Background: There are no evidence-based recommendations for surfactant use in late preterm (LPT) and term infants with respiratory distress syndrome (RDS).

Objective: To investigate the safety and efficacy of surfactant in LPT and term infants with RDS.

Methods: Systematic review, meta-analysis and evidence grading.

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Background: We analyzed the certainty of evidence (CoE) for risk factors of periventricular leukomalacia (PVL) in preterm neonates, a common morbidity of prematurity.

Methods: Medline, CENTRAL, Embase, and CINAHL were searched. Cohort and case-control studies and randomised randomized controlled trials were included.

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Aim: The International Liaison Committee on Resuscitation (ILCOR) 2020 Consensus on Science and Treatment Recommendations (CoSTR) for Neonatal Life Support forms the basis for guidelines developed by regional councils such as the American Heart Association (AHA) and the European Resuscitation Council (ERC). We aimed to determine if the updated guidelines are congruent, identify the source of variation, and score their quality.

Methods: We compared the approach to developing recommendations, final recommendations, and cited evidence in the AHA 2020 and ERC 2021 neonatal resuscitation guidelines.

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Context: Morbidity and mortality amongst extremely low birth weight (ELBW) and extremely low gestational age neonates (ELGANs) in developing nations has not been well studied.

Objectives: Evaluate survival until discharge, short- and long-term morbidities of ELBW and ELGANs in LMICs.

Data Sources: CENTRAL, EMBASE, MEDLINE and Web of Science.

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Background: To evaluate digital tracheal intubation (DTI) when compared to laryngoscope-assisted TI; finger palpation of endotracheal tube (ETT) tip position when compared to any standard method.

Design: A systematic review of Medline, Embase, CENTRAL, and CINAHL with synthesis of data using meta-analysis was performed.

Main Outcome Measure: The proportion of successful TI and correct ETT tip positioning were the main outcome measures.

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Introduction: Critical aspects of time of feed initiation, advancement, and volume of feed increment in preterm neonates remain largely unanswered.

Methods: Medline , Embase, CENTRAL and CINAHL were searched from inception until 25th September 2020. Network meta-analysis with the Bayesian approach was used.

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