Clinical profile and risk factors associated with Elizabethkingia anophelis infection in neonates born in a tertiary care hospital-a case-control study and outbreak investigation.

The objective of this study was to determine the risk factors associated with Elizabethkingia anophelis infection in neonates admitted to a tertiary care neonatal intensive care unit (NICU). A case-control study was undertaken as part of the outbreak investigation for E. anophelis sepsis in a tertiary care NICU in South India. Thirty-eight neonates with E. anophelis bloodstream infection (BSI) between January 2021 and February 2022 were enrolled as cases, and 38 neonates symptomatic with other BSIs, were selected as controls, and risk factors analysed. The 38 cases were relatively stable neonates, likely to be admitted to level 1 and level 2 NICU, unlike the controls, who were sicker and required level 3 NICU care. Only a third of neonates with Elizabethkingia sepsis had traditional risk factors like central lines, need for respiratory support or perinatal risk factors. Multiple logistic regression analysis revealed that neonates with E. anophelis infection were more likely to be stable and on only enteral feeds, cared in level 1 or 2 of the NICU. This observation, combined with isolation of Elizabethkingia meningosepticum from breast pumps earlier, led us to autoclave the feeding vessels and milk containers along with provision of hot water for cleaning breast pumps, and adoption of general infection control measures, after which incident cases declined. Sanger sequencing of 10 representative isolates obtained from the neonates showed 100% sequence identity to E. anophelis. Infection due to E. anophelis affects relatively stable neonates without traditional risk factors for sepsis. Adherence to asepsis routines and housekeeping protocols helps to prevent the spread of infection.

Elizabethkingia anophelis is an emerging pathogen causing infection in neonates. In the present case­control study, we found that E. anophelis was more likely to infect otherwise healthy neonates, on enteral nutrition, without the traditional risk factors for sepsis. Mortality was 23.7% (9/38). About 55.3% (21/38) had meningitis and 23.8% (9/38) had hydrocephalus. Additionally, 76% isolates were multi-drug resistant, with the isolates showing highest susceptibility to minocycline (100%) and levofloxacin (97.8%). Source identification was not possible even after multiple rounds of extensive environmental testing, but it is possibly related to contamination of water and/or milk sources. Interventions addressing the same led to a dramatic decline in the infection rates, though occasional infection without clustering continues to occur. Sanger sequencing of 10 representative isolates confirmed sequence identity to E. anophelis.

Clinical Profile of Neonates Getting Readmitted to Neonatal Intensive Care Unit (NICU) after Discharge from Hospital.

OBJECTIVES: To estimate the proportion of neonates getting readmitted to neonatal intensive care unit (NICU), after discharge from the hospital. Secondary objectives were to describe the clinical characteristics, reason for readmission and outcome of neonates getting readmitted. METHODS: A retrospective descriptive study was conducted to identify neonates getting readmitted to NICU within 28 d of birth and/or before 40 wk post-menstrual age (PMA). Details of neonates who were readmitted to NICU were identified and data extracted in predesigned proforma from digitalized case records (July 2021-June 2023), and outcomes were analyzed. RESULTS: Out of 26,403 live-births, 5175 neonates required NICU admission (19.6%). Readmissions accounted for 5.9% (95% CI: 5.3-6.6%) of NICU admissions (305/5175) and 1.2% (95% CI: 1.0-1.3%) of live-births. Mean gestational age and birthweight were 36.8 (2.9) wk (range 25-41) and 2584 (713) g (range = 650-4900). Ninety-six (31.5%) were preterm. One hundred and three (33.8%) were high risk neonates. Median age at readmission was 17 d (range: 3-150). Infections (n = 109, 35.7%), infection-related complications (n = 18, 5.9%), feeding problems (n = 63, 20.6%), and jaundice (n = 42, 13.7%) were commonest reasons for readmission. Median duration of hospital stay was 5 d (range: 1-120). Two hundred and ninety four (96.4%) were discharged, and 10 (3.2%) neonates expired. CONCLUSIONS: Readmissions accounted for 5.9% of total NICU admissions. Infections, jaundice and feeding related issues accounted for 76% of all the readmissions.

Metabolic Bone Disease in Preterm Neonates With Fetal Growth Restriction (FGR): A Prospective Cohort Study.

OBJECTIVE: To study the association of fetal growth restriction (FGR) with metabolic bone disease in preterm neonates. METHODOLOGY: This prospective cohort study included 94 preterm neonates with FGR as cases and an equal number of gestation-matched appropriate for gestational age (AGA) neonates without FGR as controls. The incidence of metabolic bone disease, and serum biochemical markers at various time intervals till 6 months corrected age were compared. The risk factors for metabolic bone disease and its association with stunting at 6 months of corrected age were studied. RESULTS: The incidence of metabolic bone disease, though higher in the FGR neonates (15.5%), was not significantly different from AGA neonates (6.7%) [RR (95%CI) 0.92-5.82; P=0.06]. Birth weight [aOR (95%CI) 0.8 (0.64-0.98); P=0.03] and time to reach full feeds [aOR (95%CI) 1.17 (1.01-1.36); P=0.03] were significantly associated with an increased risk of metabolic bone disease after adjusting for FGR status. Mean (SD) levels of calcium, phosphorus, alkaline phosphatase, parathormone (PTH), and vitamin D were similar in both groups. No significant association existed between metabolic bone disease and stunting at 6 months of corrected age [RR (95%CI) 2 (0.75-5.4); P=0.16]. CONCLUSION: FGR was not found to be significantly associated with metabolic bone disease in preterm neonates.

Scrub typhus due to vertical transmission in a neonate: rare presentation of a common tropical infection.

Vertical transmission as a route of infection has been well reported in many viral infections. Scrub typhus is a zoonotic disease transmitted by ticks which has had a resurgence in recent times in several tropical countries. It affects all age groups including neonates. Reports of neonates affected with scrub typhus are few, and vertical transmission is rare. We report a case, where a newborn was symptomatic with signs of infection within the first 72 hours of life and Orientia tsutsugamushi, the causative organism was confirmed by PCR in both mother and baby.

Novel mutation causing Zellweger syndrome.

Genetic conditions have varied presentations, and one of them is the association with multiple malformation syndrome (MMS), which has a high mortality rate in the immediate postnatal period. Here, we describe a neonate born with multiple anomalies-wide anterior and posterior fontanelle, metopic suture, flat nasal bridge, hypertelorism, low set dysplastic ears, corneal cloudiness, micrognathia, webbed neck, simian crease, undescended testis, hypospadias, congenital talipes equinovarus, hypoplastic inferior cerebellar vermis, poor reflexes, hypotonia and ventricular septal defect. There was a history of sibling death with similar malformations, pointing towards a genetic aetiology. Clinical exome sequencing yielded the diagnosis of Zellweger syndrome with a rare mutation in PEX-19 gene. Inherited metabolic syndromes frequently masquerade as malformations, but family history of an affected sibling and clinical suspicion aided diagnosis of the infant.

Normal Anion-Gap Metabolic Acidosis in an Extremely Preterm Neonate.

Extremely preterm neonates (< 28 wk) are at risk of metabolic complications like hypocalcemia, hypophosphatemia, hyponatremia, and metabolic acidosis. Many of these complications are often the result of prematurity per se, while some of them may be the result of prolonged parenteral nutrition. Most of the complications occur in the initial few weeks of hospital stay, but hyponatremia, hypocalcemia, and hypophosphatemia may persist for longer periods of time. Optimizing enteral nutrition along with fortification helps in promoting optimal growth and overcoming the aforementioned problems. The authors report one such extremely preterm neonate with hyperchloremic metabolic acidosis, the cause of which is uncommon and not reported previously in the literature.