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Clin Assoc Prof Narasimhan Kannan Laksmi

Clin Assoc Prof Narasimhan Kannan Laksmi

MBBS, MS (Surg), MCh (Paeds Surg), FRCS (Edinburgh), FRCPS (Glasgow)

Senior Consultant

KK Women's and Children's Hospital

Specialty: Paediatric Surgery

Sub-specialties: Paediatric Urology, Urodynamics, General Surgery

Conditions Treated by this Doctor:
Bedwetting, Biliary Tract Disease, Bowel Incontinence, Gallstones, GERD, Hernias & Hydrocoele (Child), Inflammatory Bowel Disease, Neonatal Surgery, Pediatric Urinary Condition, Undescended Testis, Urinary Tract Infection (Child).

Clinical Appointments

  • Senior Consultant Children's Surgery Centre KK Women's and Children's HospitalKK Women's and Children's Hospital


Prof Narasimhan has been in KK Women's and Children's Hospital from 2008. He has experience in managing surgical problems in children from 1987. He has special interest in posterior urethral valves, stricture urethra, epispadias and exstrophy. Prof Narasimhan also has experience in managing ano-rectal malformations, Hirschsprung’s disease, undescended testis and hypospadias.

He has keen interest in bladder and nervous control of the bladder. The evaluation of newborn and post-operative bladder by urodyanmics is an area which he is actively involved.


  • FRCPS (Glasg) 1995
  • FRCSEd 1995
  • MCh (Paeds Surg) Chandigarh, India 1987
  • MS (Surgery) Madras University, India 1984
  • MBBS Madras University, India 1979

Professional Appointments and Committee Memberships

  • Adjunct Associate Professor, Duke-NUS Medical School
  • Senior Consultant, Department of Paediatric Surgery, KKH 2012 – Present
  • Life member of the Indian Association of Paediatric Surgeons
  • Life member of the Asian Association of Paediatric Surgeons
  • Associate member of the Indian Academy of Pediatrics
  • Associate member of the Urological society of India
  • Examiner, Exit Exams in Pediatric Surgery, National Board of Examinations, India


  • Service From The Heart (Gold) 2015
  • Visiting Scientist Award for studying “Scope of Living Related Liver Transplantation” at Jichi Medical School in Japan, The Japanese Society for Promotion of Science, 2003
  • Best Poster, Annual Meeting of the Indian Society of Gastroenterology, 1993
  • National Medical Talent Search Scholarship, Indian Council of Medical Research, 1981
  • National Science Talent Scholar, Government of India, 1974

Research Interests


Best First Author Publications
  • Vesico-ureteral Reflux Dysplasia syndrome in patients with Posterior Urethral valves. J Urol (Oct issue 2005) – Cohort study follow up 7yrs median – Impact 3.6
  • Does node of treatment affect the outcome of neonatal posterior urethral valves. Narasimhan KL, Kaur B, Chowdhary SK, Bhalla AK. J.Urol. June 2004 171. 2423-2426. Cohort study Impact 3.6
  • Prospective analysis of Somatic growth and Renal functions in neonatal posterior urethral valves. Narasimhan KL, Chowdhary SK, Rao KLN et al : Eur J Ped Surg 2002,12: 267-271. Cohort study Impact 1.6
  • Factors affecting renal scarring in Posterior urethral valves. J Ped Urol (Accepted) Cohort study with follow up 6.5 yrs median - Impact Factor – not yet defined but this is the only journal dedicated to Ped Urology.
  • Adrenocortical tumors in childhood. Narasimhan KL, Samuj R, Bhansali A, Chowdhary SK ,Rao KLN: Pediatr Surg Int. 2003 Aug;19(6):432-5. Epub 2003 Jul 19. Cohort study Impact 1.6
  • Epispadias repair using the Mitchell Technique. Narasimhan KL, Mohanty SK et al. Journal of Paediatric Surgery 1999; 34: 461-463. Cohort study Impact 1.9


  • The role of ischemia in necrotizing enterocolitis. Chen Y, Chang KT, Lian DW, Lu H, Roy S, Laksmi NK, Low Y, Krishnaswamy G,Pierro A, Ong CC. J Pediatr Surg. 2016 Jan 8. pii: S0022-3468(15)00840-4.doi:10.1016/j.jpedsurg.2015.12.015. [Epub ahead of print] PubMed PMID: 26850908.
  • Comments on "a variant pattern of Calretinin immunohistochemistry on rectal suction-biopsies is fully specific of short-segment Hirschsprung's disease". Tan YH, Narasimhan KL, Ong LY. Pediatric surgery international. 2015 Jan;31(1):107. PubMed PMID: 25374345. Epub 2014/11/07. eng.
  • Undescended testis: 513 patients' characteristics, age at orchidopexy and patterns of referral. Nah SA1, Yeo CS, How GY, Allen JC Jr, Lakshmi NK, Yap TL, Jacobsen AS, Low Y, Ong CC. Arch Dis Child. 2014 May;99(5):401-6.
  • Transanal endorectal pull-through versus transabdominal approach for Hirschsprung's disease: a systematic review and meta-analysis. Chen Y, Nah SA, Laksmi NK, Ong CC, Chua JH, Jacobsen A, et al. Journal of pediatric surgery. 2013 Mar;48(3):642-51. PubMed PMID: 23480925. Epub 2013/03/14. eng.
  • Hepaticoduodenostomy versus hepaticojejunostomy after resection of choledochal cyst: a systematic review and meta-analysis. Narayanan SK, Chen Y, Narasimhan KL, Cohen RC. Journal of pediatric surgery. 2013 Nov;48(11):2336-42. PubMed PMID: 24210209. Epub 2013/11/12. eng.
  • Anomalies associated with anorectal malformations according to the Krickenbeck anatomic classification. Nah SA, Ong CC, Lakshmi NK, Yap TL, Jacobsen AS, Low Y. J Pediatr Surg. 2012 Dec;47(12):2273-8
  • Alternative method of trocar fixation in pediatric laparoscopy using the "glove wrap". Khanna S, Narasimhan KL. Journal of pediatric surgery. 2011 Oct;46(10):2044; author reply PubMed PMID: 22008354. Epub 2011/10/20. eng.
  • Embryogenesis of triple neural tube defects: sonic hedgehog--a key? Mahalik SK, Vaze D, Lyngdoh TS, Tewari MK, Narasimhan KL. Journal of pediatric surgery. 2011 Feb;46(2):e5-8. PubMed PMID: 21292070. Epub 2011/02/05. eng.
  • Transanal swenson’s operation for Recto Sigmoid Hirschsprung’s disease. Mahajan JK, Rathod Kirti, Bawa M, Narasimhan KL. African Journal Of Pediatric Surgery. Vol 8,2011.301-305.
  • Tolerance of bladder antispasmodics in children with urinary incontinence: An observational study from North India. Bansal V, Medhi B, Prakash O, Kaur B, Narasimhan KL. Indian journal of Pharmacology. Vol 43, Dec 2011,744-45.
  • Alternative method of trochar fixation in Pediatric Laparoscopy using the “glove wrap “technique. Sanat khanna, Narasimhan KL. J Pediatr Surg 2011 Oct;46(10):2044
  • Embryogenesis of triple neural defects –Sonic hedgehog holds the Key? Mahalik SK, Vaze D, Lyngdoh TS, Tiwari MK, Narasimhan KL. J Pediatr Surg 2011, Feb 46(2) e5-8.
  • Mini vesicostomy in the management of PUV after valve ablation. Nanda M, Bawa M, Narasimhan K L. J ournal Pediatr Urol. 2010 ,Dec 12
  • Role of shunts with antisiphon devices in treatment of Pediatric hydrocephalus. RA Khan, Narasimhan K L, Tiwari MK. Clin Neurol Neuro Surgery 2010, Oct 12, 687-90.
  • A Novel learning experience: a case based, evidence based debate. Ong CC, Narasimhan KL. Med .Edu 2010,May 44(5) 515-6.
  • Prophylactic embolisation of hepatic artery pseudo- aneurysm after blunt abdominal trauma in a child. Yi Ik., Miao F L , Wong J, Narasimhan KL et al . J Pediatr Surg 2010. Apr 45(4),837-9.
  • Multicystic dysplasia kidney in children – a need for conservation and long term approach. Singh JK, Kanojia RP , Narasimhan KL 2009, Ind J Pediatr Aug 76(8) 809-12.
  • Diagnosis of renal stones with underlying metabolic abnormalities using FTIR spectroscopy. Narasimhan KL, Kaur B, Suri D, Mahajan JK. Ind J Pediatr 2009, Aug 76(8) 856.

Research Trials