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  • JOURNAL ARTICLE
    Lally PJ, Montaldo P, Oliveira V, Swamy RS, Soe A, Shankaran S, Thayyil Set al., 2018,

    Residual brain injury after early discontinuation of cooling therapy in mild neonatal encephalopathy

    , ARCHIVES OF DISEASE IN CHILDHOOD-FETAL AND NEONATAL EDITION, Vol: 103, Pages: F383-F387, ISSN: 1359-2998
  • JOURNAL ARTICLE
    Oliveira V, Singhvi DP, Montaldo P, Lally PJ, Mendoza J, Manerkar S, Shankaran S, Thayyil Set al., 2018,

    Therapeutic hypothermia in mild neonatal encephalopathy: a national survey of practice in the UK

    , ARCHIVES OF DISEASE IN CHILDHOOD-FETAL AND NEONATAL EDITION, Vol: 103, Pages: F388-F390, ISSN: 1359-2998
  • JOURNAL ARTICLE
    Thayyil S, Shankaran S, 2018,

    Current status of therapeutic hypothermia in India: few concerns

    , Indian Pediatrics, Vol: 55, Pages: 347-348, ISSN: 0019-6061
  • JOURNAL ARTICLE
    Thayyil S, 2018,

    Cooling Therapy for Neonatal Encephalopathy in Low- and Middle-income Countries.

    , Indian Pediatrics, Vol: 55, Pages: 197-198, ISSN: 0019-6061
  • JOURNAL ARTICLE
    Munroe PB, Addison S, Abrams DJ, Sebire NJ, Cartwright J, Donaldson I, Cohen MM, Mein C, Tinker A, Harmer SC, Aziz Q, Terry A, Struebig M, Warren HR, Vadgama B, Fowler DJ, Peebles D, Taylor AM, Lally PJ, Thayyil Set al., 2018,

    Postmortem genetic testing for cardiac ion channelopathies in stillbirths

    , Circulation: Cardiovascular Genetics, Vol: 11, ISSN: 1942-325X

    BackgroundAlthough stillbirth is a significant health problem worldwide, the definitive cause of death remains elusive in many cases, despite detailed autopsy. In this study of partly explained and unexplained stillbirths, we used next-generation sequencing to examine an extended panel of 35 candidate genes known to be associated with ion channel disorders and sudden cardiac death.Methods and ResultsWe examined tissue from 242 stillbirths (≥22 weeks), including those where no definite cause of death could be confirmed after a full autopsy. We obtained high-quality DNA from 70 cases, which were then sequenced for a custom panel of 35 genes, 12 for inherited long- and short-QT syndrome genes (LQT1-LQT12 and SQT1-3), and 23 additional candidate genes derived from genome-wide association studies. We examined the functional significance of a selected variant by patch-clamp electrophysiological recording. No predicted damaging variants were identified in KCNQ1 (LQT1) or KCNH2 (LQT2). A rare putative pathogenic variant was found in KCNJ2(LQT7) in 1 case, and several novel variants of uncertain significance were observed. The KCNJ2 variant (p. R40Q), when assessed by whole-cell patch clamp, affected the function of the channel. There was no significant evidence of enrichment of rare predicted damaging variants within any of the candidate genes.ConclusionsAlthough a causative link is unclear, 1 putative pathogenic and variants of uncertain significance variant resulting in cardiac channelopathies was identified in some cases of otherwise unexplained stillbirth, and these variants may have a role in fetal demise.

  • JOURNAL ARTICLE
    Prempunpong C, Chalak LF, Garfinkle J, Shah B, Kalra V, Rollins N, Boyle R, Nguyen K-A, Mir I, Pappas A, Montaldo P, Thayyil S, Sanchez PJ, Shankaran S, Laptook AR, Sant'Anna Get al., 2018,

    Prospective research on infants with mild encephalopathy: the PRIME study

    , JOURNAL OF PERINATOLOGY, Vol: 38, Pages: 80-85, ISSN: 0743-8346
  • JOURNAL ARTICLE
    Oliveira V, Kumutha JR E N, Somanna J, Benkappa N, Bandya P, Chandrasekeran M, Swamy R, Mondkar J, Dewang K, Manerkar S, Sundaram M, Chinathambi K, Bharadwaj S, Bhat V, Madhava V, Nair M, Lally PJ, Montaldo P, Atreja G, Mendoza J, Bassett P, Ramji S, Shankaran S, Thayyil Set al., 2018,

    Hypothermia for encephalopathy in low-income and middle-income countries: feasibility of whole-body cooling using a low-cost servo-controlled device.

    , BMJ Paediatr Open, Vol: 2

    Although therapeutic hypothermia (TH) is the standard of care for hypoxic ischaemic encephalopathy in high-income countries, the safety and efficacy of this therapy in low-income and middle-income countries (LMICs) is unknown. We aimed to describe the feasibility of TH using a low-cost servo-controlled cooling device and the short-term outcomes of the cooled babies in LMIC. Design: We recruited babies with moderate or severe hypoxic ischaemic encephalopathy (aged <6 hours) admitted to public sector tertiary neonatal units in India over a 28-month period. We administered whole-body cooling (set core temperature 33.5°C) using a servo-controlled device for 72 hours, followed by passive rewarming. We collected the data on short-term neonatal outcomes prior to hospital discharge. Results: Eighty-two babies were included-61 (74%) had moderate and 21 (26%) had severe encephalopathy. Mean (SD) hypothermia cooling induction time was 1.7 hour (1.5) and the effective cooling time 95% (0.08). The mean (SD) hypothermia induction time was 1.7 hour (1.5 hour), core temperature during cooling was 33.4°C (0.2), rewarming rate was 0.34°C (0.16°C) per hour and the effective cooling time was 95% (8%). Twenty-five (51%) babies had gastric bleeds, 6 (12%) had pulmonary bleeds and 21 (27%) had meconium on delivery. Fifteen (18%) babies died before discharge from hospital. Heart rate more than 120 bpm during cooling (P=0.01) and gastric bleeds (P<0.001) were associated with neonatal mortality. Conclusions: The low-cost servo-controlled cooling device maintained the core temperature well within the target range. Adequately powered clinical trials are required to establish the safety and efficacy of TH in LMICs. Clinical trial registration number: NCT01760629.

  • JOURNAL ARTICLE
    Sanchez-Illana A, Thayyil S, Montaldo P, Jenkins D, Quintas G, Oger C, Galano J-M, Vigor C, Durand T, Vento M, Kuligowski Jet al., 2017,

    Novel free-radical mediated lipid peroxidation biomarkers in newborn plasma

    , ANALYTICA CHIMICA ACTA, Vol: 996, Pages: 88-97, ISSN: 0003-2670
  • JOURNAL ARTICLE
    Chandrasekaran M, Swamy R, Ramji S, Shankaran S, Thayyil Set al., 2017,

    Therapeutic hypothermia for neonatal encephalopathy in Indian neonatal units: A survey of national practices

    , INDIAN PEDIATRICS, Vol: 54, Pages: 969-970, ISSN: 0019-6061
  • JOURNAL ARTICLE
    Thayyil S, Oliveira V, Lally PJ, Swamy R, Bassett P, Chandrasekaran M, Mondkar J, Mangalabharathi S, Benkappa N, Seeralar A, Shahidullah M, Montaldo P, Herberg J, Manerkar S, Kumaraswami K, Kamalaratnam C, Prakash V, Chandramohan R, Bandya P, Mannan MA, Rodrigo R, Nair M, Ramji S, Shankaran Set al., 2017,

    Hypothermia for encephalopathy in low and middle-income countries (HELIX): study protocol for a randomised controlled trial

    , TRIALS, Vol: 18, ISSN: 1745-6215

This data is extracted from the Web of Science and reproduced under a licence from Thomson Reuters. You may not copy or re-distribute this data in whole or in part without the written consent of the Science business of Thomson Reuters.

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