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Ram Krishna Chandyo

Postdoctoral fellow
  • E-mailRam.Chandyo@uib.no
  • Visitor Address
    Kalfarveien 31
  • Postal Address
    Postboks 7804
    5020 Bergen

 

  • Child health and nutrition
  • Research methodology and epidemiology

 

Journal articles
  • Ask, Thorvald Fossåen; Ranjitkar, Suman; Ulak, Manjeswori; Chandyo, Ram Krishna; Hysing, Mari; Strand, Tor A; Kvestad, Ingrid; Shrestha, Laxman; Andreassen, Marita; Lugo, Ricardo Gregorio; Shilpakar, JS; Shrestha, Merina; Sütterlin, Stefan. 2019. The association between heart rate variability and neurocognitive and socio-emotional development in nepalese infants. Frontiers in Neuroscience. 13:411: 1-10. doi: 10.3389/fnins.2019.00411
  • Upadhyay, Ravi Prakash; Chandyo, Ram Krishna; Kvestad, Ingrid; Hysing, Mari; Ulak, Manjeswori; Ranjitkar, Suman; Shrestha, Merina; Shrestha, Laxman; Strand, Tor A. 2019. Parental height modifies the association between linear growth and neurodevelopment in infancy. Acta Paediatrica. 108: 1825-1832. doi: 10.1111/apa.14820
  • Bates, Michael N.; Pokhrel, Amod K.; Chandyo, Ram Krishna; Valentiner-Branth, Palle; Mathisen, Maria; Basnet, Sudha; Strand, Tor A; Burnett, Richard T.; Smith, Kirk R. 2018. Kitchen PM2.5 concentrations and child acute lower respiratory infection in Bhaktapur, Nepal: The importance of fuel type. Environmental Research. 161: 546-553. doi: 10.1016/j.envres.2017.11.056
  • Chandyo, Ram Krishna; Ulak, Manjeswori; Kvestad, Ingrid; Hysing, Mari; Shrestha, Merina; Ranjitkar, Suman; Ulvik, Arve; Ueland, Per Magne; Shrestha, Laxman; Strand, Tor A. 2018. Cobalamin and folate status among breastfed infants in Bhaktapur, Nepal. Nutrients. 10:639: 1-11. doi: 10.3390/nu10050639
  • Morseth, Marianne S.; Henjum, Sigrun; Schwinger, Catherine; Strand, Tor A; Shrestha, Sanjaya; Shrestha, Binob; Chandyo, Ram Krishna; Ulak, Manjeswori; Torheim, Liv Elin. 2018. Environmental Enteropathy, Micronutrient Adequacy and Length Velocity in Nepalese Children - the Mal-Ed Birth Cohort Study. Journal of Pediatric Gastroenterology and Nutrition - JPGN. 67. doi: 10.1097/MPG.0000000000001990
  • Moucheraud, Corrina; Chandyo, Ram Krishna; Henjum, Sigrun; Strand, Tor A; Ulak, Manjeswori; Fawzi, Wafaie W.; Locks, Lindsey; Webb, P.; Thorne-Lyman, Andrew L. 2018. Engagement in Agriculture Protects Against Food Insecurity and Malnutrition in Peri-Urban Nepal. Current developments in nutrition. 9 pages. doi: 10.1093/cdn/nzy078
  • Ranjitkar, Suman; Kvestad, Ingrid; Strand, Tor A; Ulak, Manjeswori; Shrestha, Merina; Chandyo, Ram Krishna; Shrestha, Laxman; Hysing, Mari. 2018. Acceptability and reliability of the Bayley Scales of infant and Toddler Development-III Among Children in Bhaktapur, Nepal. Frontiers in Psychology. 9:1265: 1-10. doi: 10.3389/fpsyg.2018.01265
  • Richard, Stephanie A.; McCormick, Benjamin J.J.; Seidman, Jessica C.; Rasmussen, Zeba; Kosek, Margaret N.; Rogawski, Elizabeth T.; Petri, William; Bose, Anuradha; Mduma, Estomih; Maciel, Bruna L.L.; Chandyo, Ram Krishna; Bhutta, Zulfiqar; Turab, Ali; Bessong, Pascal; Mahfuz, Mustafa; Caulfield, Laura E. 2018. Relationships among common illness symptoms and the protective effect of breastfeeding in early childhood in MAL-ED: An eight-country cohort study. American Journal of Tropical Medicine and Hygiene. 98: 904-912. doi: 10.4269/ajtmh.17-0457
  • Strand, Tor A; Ulak, Manjeswori; Kvestad, Ingrid; Henjum, Sigrun; Ulvik, Arve; Shrestha, Merina; Thorne-Lyman, Andrew L; Ueland, Per Magne; Shrestha, Prakash Sunder; Chandyo, Ram Krishna. 2018. Maternal and infant vitamin B12 status during infancy predict linear growth at 5 years. Pediatric Research. 84: 611-618. doi: 10.1038/s41390-018-0072-2
  • Chandyo, Ram Krishna; Ulak, Manjeswori; Kvestad, Ingrid; Shrestha, Merina; Ranjitkar, Suman; Basnet, Sudha; Hysing, Mari; Shrestha, Laxman; Strand, Tor A. 2017. The effects of vitamin B12 supplementation in pregnancy and postpartum on growth and neurodevelopment in early childhood: Study Protocol for a Randomized Placebo Controlled Trial. BMJ Open. 8. Published 2017-08-29. doi: 10.1136/bmjopen-2017-016434
  • Haugen, Johanne; Chandyo, Ram Krishna; Ulak, Manjeswori; Mathisen, Maria; Basnet, Sudha; Brokstad, Karl Albert; Valentiner-Branth, Palle; Shrestha, Prakash S.; Strand, Tor A. 2017. 25-hydroxy-vitamin D concentration is not affected by severe or non-severe pneumonia, or inflammation, in young children. Nutrients. 9:52: 1-11. doi: 10.3390/nu9010052
  • Hoest, Christel; Seidman, Jessica C.; Lee, Gwenyth; Platts-Mills, James A.; Ali, Asad; Olortegui, Maribel Paredes; Bessong, Pascal; Chandyo, Ram Krishna; Babji, Sudhir; Mohan, Venkata Raghava; Mondal, Dinesh; Mahfuz, Mustafa; Mduma, Estomih; Nyathi, Emanuel; Abreu, Claudia; Miller, Mark A.; Pan, William; Mason, Carl J.; Knobler, Stacey L. 2017. Vaccine coverage and adherence to EPI schedules in eight resource poor settings in the MAL-ED cohort study. Vaccine. 35: 443-451. doi: 10.1016/j.vaccine.2016.11.075
  • Kvestad, Ingrid; Hysing, Mari; Shrestha, Merina; Ulak, Manjeswori; Thorne-Lyman, Andrew L.; Henjum, Sigrun; Ueland, Per Magne; Midttun, Øivind; Fawzi, Wafaie; Chandyo, Ram Krishna; Shrestha, Prakash S.; Strand, Tor A. 2017. Vitamin B-12 status in infancy is positively associated with development and cognitive functioning 5 y later in Nepalese children. American Journal of Clinical Nutrition. 105: 1122-1131. doi: 10.3945/ajcn.116.144931
  • Mitchell, Nicole J.; Hsu, Hui-Husan; Chandyo, Ram Krishna; Shrestha, Binob; Bodhidatta, Ladaporn; Tu, Yu-Kang; Gong, Yun-Yun; Egner, Patricia A.; Ulak, Manjeswori; Groopman, John D.; Wu, Felicia. 2017. Aflatoxin exposure during the first 36 months of life was not associated with impaired growth in Nepalese children: An extension of the MAL-ED study. PLOS ONE. 12:30172124: 1-12. doi: 10.1371/journal.pone.0172124
  • Morseth, Marianne S.; Torheim, Liv Elin; Chandyo, Ram Krishna; Ulak, Manjeswori; Shrestha, Sanjaya; Shrestha, Binob; Pripp, Are Hugo; Henjum, Sigrun. 2017. Severely inadequate micronutrient intake among children 9-24 months in Nepal - The MAL-ED birth cohort study. Maternal and Child Nutrition. 14:e12552: 1-10. doi: 10.1111/mcn.12552
  • Morseth, Marianne S.; Torheim, Liv Elin; Gebremariam, Mekdes Kebede; Chandyo, Ram Krishna; Ulak, Manjeswori; Shrestha, Sanjaya Kumar; Shrestha, Binob; Henjum, Sigrun. 2017. Tracking of infant and young child feeding practices among 9- to 24-month-old children in Nepal: The MAL-ED Birth Cohort Study. Public Health Nutrition. 21: 355-364. doi: 10.1017/S1368980017002294
  • Strand, Tor A; Ulak, Manjeswori; Chandyo, Ram Krishna; Kvestad, Ingrid; Hysing, Mari; Shrestha, Merina; Basnet, Sudha; Ranjitkar, Suman; Shrestha, Laxman; Shrestha, Prakash S. 2017. The effect of vitamin B12 supplementation in Nepalese infants on growth and development: Study protocol for a randomized controlled trial. Trials. 18:187: 1-9. doi: 10.1186/s13063-017-1937-0
  • Chandyo, Ram Krishna; Henjum, Sigrun; Ulak, Manjeswori; Thorne-Lyman, Andrew L; Ulvik, Rune Johan; Shrestha, Prakash Sunder; Locks, Lindsey; Fawzi, Wafaie W.; Strand, Tor A. 2016. The prevalence of anemia and iron deficiency is more common in breastfed infants than their mothers in Bhaktapur, Nepal. European Journal of Clinical Nutrition. 70: 456-462. doi: 10.1038/ejcn.2015.199
  • Chandyo, Ram Krishna; Ulak, Manjeswori; Sommerfelt, Halvor; Schneede, Jørn; Ueland, Per Magne; Strand, Tor A. 2016. Nutritional intake and status of cobalamin and folate among non-pregnant women of reproductive age in Bhaktapur, Nepal. Nutrients. 8:375. doi: 10.3390/nu8060375
  • Haugen, Johanne; Ulak, Manjeswori; Chandyo, Ram Krishna; Henjum, Sigrun; Thorne-Lyman, Andrew; Ueland, Per Magne; Midtun, Øivind; Shrestha, Prakash Sunder; Strand, Tor A. 2016. Low Prevalence of Vitamin D Insufficiency among Nepalese Infants Despite High Prevalence of Vitamin D Insufficiency among Their Mothers. Nutrients. 8: E825. Published 2016-12-21. doi: 10.3390/nu8120825
  • Henjum, Sigrun; Malde, Marian Kjellevold; Ulak, Manjeswori; Chandyo, Ram Krishna; Shrestha, Prakash Sunder; Frøyland, Livar; Strydom, Emmerentia E.; Dhansay, Muhammed A.; Strand, Tor A. 2016. Iodine concentration in breastmilk and urine among lactating women of Bhaktapur, Nepal. Nutrients. 8: 255. doi: 10.3390/nu8050255
  • Lee, Gwenyth O.; Richard, Stephanie A.; Kang, Gagandeep; Houpt, Eric R.; Seidman, Jessica C.; Pendergast, Laura L.; Bhutta, Zulfiqar A.; Ahmed, Tahmeed; Mduma, Estomih; Lima, Aldo A.; Bessong, Pascal; Jennifer, Mats Steffi; Hossain, Md. Iqbal; Chandyo, Ram Krishna; Nyathi, Emanuel; Lima, Ila F.; Pascal, John; Soofi, Sajid; Ladaporn, Bodhidatta; Guerrant, Richard L.; Caulfield, Laura E.; Black, Robert E.; Kosek, Margaret N. 2016. A comparison of diarrheal severity scores in the MAL-ED multisite community-based cohort study. Journal of Pediatric Gastroenterology and Nutrition - JPGN. 63: 466-473. doi: 10.1097/MPG.0000000000001286
  • Poudel-Tandukar, Kalpana; Chandyo, Ram Krishna. 2016. Dietary B vitamins and serum C-reactive protein in persons with Human Immunodeficiency Virus Infection: the positive living with HIV (POLH) Study. Food and Nutrition Bulletin. 37: 517-528. doi: 10.1177/0379572116657268
  • Ulak, Manjeswori; Chandyo, Ram Krishna; Thorne-Lyman, Andrew L.; Henjum, Sigrun; Ueland, Per Magne; Midttun, Øivind; Shrestha, Prakash S.; Fawzi, Wafaie W.; Graybill, Lauren; Strand, Tor A. 2016. Vitamin status among breastfed infants in Bhaktapur, Nepal. Nutrients. 8:149. doi: 10.3390/nu8030149
  • Chandyo, Ram Krishna; Ulak, Manjeswori; Adhikari, Ramesh K.; Sommerfelt, Halvor; Strand, Tor. 2015. Prevalence of iron deficiency and anemia among young children with acute diarrhea in Bhaktapur, Nepal. Healthcare. 3: 593-606. Published 2015-07-21. doi: 10.3390/healthcare3030593
  • Haugen, Johanne; Chandyo, Ram Krishna; Brokstad, Karl Albert; Mathisen, Maria; Ulak, Manjeswori; Basnet, Sudha; Valentiner-Branth, Palle; Strand, Tor. 2015. Cytokine concentrations in plasma from children with severe and non-severe community acquired pneumonia. PLOS ONE. 10:e018978. 16 pages. Published 2015-09-25. doi: 10.1371/journal.pone.0138978
  • Henjum, Sigrun; Torheim, Liv Elin; Thorne-Lyman, Andrew L.; Chandyo, Ram Krishna; Fawzi, Wafaie W.; Shrestha, Prakash Sunder; Strand, Tor. 2015. Low dietary diversity and micronutrient adequacy among lactating women in a peri-urban area of Nepal. Public Health Nutrition. 17: 3201-3210. doi: 10.1017/S1368980015000671
  • Pokhrel, Amod K.; Bates, Michael N.; Acharya, Jivan; Valentiner-Brandt, Palle; Chandyo, Ram Krishna; Shrestha, Prakash Sunder; Raut, Anil K.; Smith, Kirk R. 2015. PM2.5 in household kitchens of Bhaktapur, Nepal, using four different cooking fuels. Atmospheric Environment. 113: 159-168. doi: 10.1016/j.atmosenv.2015.04.060
  • Caulfield, Laura E.; Bose, Anuradha; Chandyo, Ram Krishna; Nesamvuni, Cebisa; De Moraes, Milena Lima; Turab, Ali; Patil, Crystal; Mahfuz, Mustafa; Ambikapathi, Ramya; Ahmed, Tahmeed. 2014. Infant feeding practices, dietary adequacy, and micronutrient status measures in the MAL-ED study. Clinical Infectious Diseases. 59: S248-S254. doi: 10.1093/cid/ciu421
  • Henjum, Sigrun; Manger, Mari Skar; Skeie, Eli; Ulak, Manjeswori; Thorne-Lyman, Andrew L.; Chandyo, Ram Krishna; Shrestha, Prakash S.; Locks, Lindsey; Ulvik, Rune Johan; Fawzi, Wafaie W.; Strand, Tor A. 2014. Iron deficiency is uncommon among lactating women in urban Nepal, despite a high risk of inadequate dietary iron intake. British Journal of Nutrition. 112: 132-141. doi: 10.1017/S0007114514000592
  • Shrestha, Prakash Sunder; Shrestha, Sanjaya Kumar; Bodhidatta, Ladaporn; Strand, Tor; Shrestha, Binob; Shrestha, Rita; Chandyo, Ram Krishna; Ulak, Manjeswori; Mason, Carl J. 2014. Bhaktapur, Nepal: The MAL-ED birth cohort study in Nepal. Clinical Infectious Diseases. 59: S300-S303. doi: 10.1093/cid/ciu459
  • Ulak, Manjeswori; Chandyo, Ram Krishna; Adhikari, Ramesh K.; Sharma, Pushpa R.; Sommerfelt, Halvor; Refsum, Helga; Strand, Tor. 2014. Cobalamin and folate status in 6 to 35 months old children presenting with acute diarrhea in Bhaktapur, Nepal. PLOS ONE. 9. doi: 10.1371/journal.pone.0090079
  • Bates, Michael N.; Chandyo, Ram Krishna; Valentiner-Branth, Palle; Pokhrel, Amod K.; Mathisen, Maria; Basnet, Sudha; Shrestha, Prakash S.; Strand, Tor A; Smith, Kirk R. 2013. Acute Lower Respiratory Infection in Childhood and Household Fuel Use in Bhaktapur, Nepal. Environmental Health Perspectives. 121: 637-642. doi: 10.1289/ehp.1205491
  • Henjum, Sigrun; Manger, M; Chandyo, Ram Krishna; Thorne-Lyman, A; Ulak, M; Skeie, E; Shrestha, PS; Locks, LM; Ulvik, R; Fawzi, WW; Strand, TA. 2013. DIETARY IRON INTAKE AND IRON STATUS AMONG LACTATING WOMEN IN BHAKTAPUR, NEPAL. Annals of Nutrition and Metabolism. 63: 641-642.
  • Strand, Tor A; Sharma, Pushpa R; Gjessing, Håkon K.; Ulak, Manjeswori; Chandyo, Ram Krishna; Adhikari, Ramesh K; Sommerfelt, Halvor. 2012. Risk factors for extended duration of acute diarrhea in young children. PLOS ONE. 7. doi: 10.1371/journal.pone.0036436
  • Ulak, Manjeswori; Chandyo, Ram Krishna; Mellander, Lotta; Shrestha, Prakash S; Strand, Tor A. 2012. Infant feeding practices in Bhaktapur, Nepal: across-sectional, health facility based survey. International Breastfeeding Journal. 7. 8 pages. doi: 10.1186/1746-4358-7-1
  • Chandyo, Ram K; Shrestha, Prakash S; Valentiner-Branth, Palle; Mathisen, Maria; Basnet, Sudha; Ulak, Manjeswori; Adhikari, Ramesh K; Sommerfelt, Halvor; Strand, Tor Arne. 2010. Two weeks of zinc administration to Nepalese children with pneumonia does not reduce the incidence of pneumonia or diarrhea during the next six months. Journal of Nutrition. 140: 1677-1682. doi: 10.3945/jn.109.117978
  • Mathisen, Maria; Strand, Tor Arne; Sharma, Biswa N; Chandyo, Ram K; Valentiner-Branth, Palle; Basnet, Sudha; Adhakari, Ramesh K; Hvidsten, Dag; Shrestha, Prakash S; Sommerfelt, Halvor. 2010. Clinical presentation and severity of viral community-acquired pneumonia in young Nepalese children. The Pediatric Infectious Disease Journal. 29: e1-e6. doi: 10.1097/INF.0b013e3181c2a1b9
  • Mathisen, Maria; Strand, Tor Arne; Valentiner-Branth, Palle; Chandyo, Ram Krishna; Basnet, Sudha; Sharma, Biswa N; Adhikari, Ramesh K; Hvidsten, Dag; Shrestha, Prakash S; Sommerfelt, Halvor. 2010. Respiratory viruses in Nepalese children with and without pneumonia: a case-control study. The Pediatric Infectious Disease Journal. 29: 731-735. doi: 10.1097/INF.0b013e3181d9bcce
  • Valentiner-Branth, Palle; Shrestha, Prakash S; Chandyo, Ram K; Mathisen, Maria; Basnet, Sudha; Bhandari, Nita; Adhikari, Ramesh K; Sommerfelt, Halvor; Strand, Tor Arne. 2010. A randomized controlled trial of the effect of zinc as adjuvant therapy in children 2-35 mo of age with severe or nonsevere pneumonia in Bhaktapur, Nepal. American Journal of Clinical Nutrition. 91: 1667-1674. doi: 10.3945/ajcn.2009.28907
  • Chandyo, RK; Strand, Tor Arne; Mathisen, M; Ulak, M; Adhikari, RK; Bolann, BJ; Sommerfelt, Halvor. 2009. Zinc deficiency is common among healthy women of reproductive age in Bhaktapur, Nepal. Journal of Nutrition. 139: 594-597. doi: 10.3945/jn.108.102111
  • Chandyo, Ram Krishna; Shrestha, Prakash S.; Valentiner-Branth, P; Mathisen, Maria; Basnet, Sudha; Ulak, M; Adhikari, RK; Sommerfelt, Halvor; Strand, Tor A. 2009. EFFICACY OF SHORT COURSE ORAL ZINC GIVEN DURING PNEUMONIA ON SUBSEQUENT MORBIDITY AMONG YOUNG CHILDREN IN NEPAL. Annals of Nutrition and Metabolism. 55: 264-264.
  • Mathisen, Maria; Strand, Tor A; Sharma, Biswa N; Chandyo, Ram K; Valentiner-Branth, Palle; Basnet, Sudha; Adhikari, Ramesh K; Hvidsten, Dag; Shrestha, Prakash S; Sommerfelt, Halvor. 2009. RNA viruses in community-acquired childhood pneumonia in semi-urban Nepal; a cross-sectional study. BMC Medicine. 7. 12 pages. doi: 10.1186/1741-7015-7-35
  • Mathisen, Maria; Strand, Tor A; Sharma, Biswa N.; Chandyo, Ram Krishna; Valentiner-Branth, Palle; Basnet, Sudha; Adhikari, Ramesh K; Hvidsten, Dag; Shrestha, Prakash S.; Sommerfelt, Halvor. 2008. RNA Viruses Are an Important Cause of Community-acquired Pneumonia in Nepalese Children Living in a Semi-urban District in Kathmandu Valley. International Journal of Infectious Diseases. 12: E56-E56. doi: 10.1016/j.ijid.2008.05.030
Reports and theses
  • Chandyo, Ram Krishna. 2011. Zinc, Iron and Infection- studies in children and women in Nepa. University of Bergen.
  • Andersen, Peter; Chandyo, Ram Krishna; Hollington, Phillip A. 2010. Nutritional problems among women of reproductive age in rural populations in hill areas in India and Nepal and how they can be reduced by increased intake of Ricebean. www.ricebean.org. 29 pages.

More information in national current research information system (CRIStin)

Publications in PubMed

     

    • MD-Saint Petersburg Pediatric Medical Academy,Russia, 1997
    • MPhil in Health Science, Center for International Health, UiB, 2002
    • PhD (Zinc, iron and infection-studies in children and women in Nepal, Center for International Health, UiB, 2011

     

    • Acute Diarrhea Research Project (study on zinc for acute diarrhea among Nepalese children), 1998-2000
    •  Prevalence of micronutrient deficiencies among women of reproductive age in Nepal, 2001-2002
    •  Child Health Research Project (study on Zinc as adjuvant therapy during pneumonia in Nepalese children. Community based randomized placebo controlled clinical trial, 2003- 2007.
    •  Breastfeeding and Micronutrient status among 500 infants and mother pair, 2007-2008
    • Etiology, Risk Factors and Interactions of Enteric Infections and Malnutrition and the Consequences for Child Health and Development (MAL-ED), since 2010 ongoing, http://mal-ed.fnih.org