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Author

  • Pratap Kumar Narayan
2010
2 Citations (Scopus)

Plasma protein Thiols, Malondialdehyde, Phosphodiesterase and RBC Acetylcholinesterase in patients with intrauterine growth restriction

Prabhu, K., Kumar, P., Bhat, P., Rao, A., Mohan, S. & Sharma, S., 25-11-2010, In : Journal of Clinical and Diagnostic Research. 4, 5, p. 3176-3180 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Preimplantation diagnosis of genetic diseases

Adiga, S. K., Kalthur, G., Kumar, P. & Girisha, K. M., 10-2010, In : Journal of Postgraduate Medicine. 56, 4, p. 317-320 4 p.

Research output: Contribution to journalReview article

10 Citations (Scopus)

Spermatozoada dna hasari{dotless}ni{dotless}n boyutu ile fertilizasyon ve implantasyon öncesi embriyolari{dotless}n gelişimsel kompetansi{dotless} arasi{dotless}ndaki ilişki

Translated title of the contribution: Association between the extent of DNA damage in the spermatozoa, fertilization and developmental competence in preimplantation stage embryosUpadhya, D., Kalthur, G., Kumar, P., Rao, B. S. & Adiga, S. K., 2010, In : Journal of the Turkish German Gynecology Association. 11, 4, p. 182-186 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
26 Citations (Scopus)
2011

Controlled cooling versus rapid freezing of teratozoospermic semen samples: Impact on sperm chromatin integrity

Kalludi, S. N., Kalthur, G., Benjamin, S., Kumar, P. & Adiga, S., 09-2011, In : Journal of Human Reproductive Sciences. 4, 3, p. 121-124 4 p.

Research output: Contribution to journalArticle

Ejaculate fractions of asthenozoospermic and teratozoospermic patients have differences in the sperm DNA integrity

Kumar, D., Kalthur, G., Mascarenhas, C., Kumar, P. & Adiga, S. K., 12-2011, In : Andrologia. 43, 6, p. 416-421 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Luteinizing hormone and its dilemma in ovulation induction

Kumar, P. & Sait, S., 01-01-2011, In : Journal of Human Reproductive Sciences. 4, 1, p. 2-7 6 p.

Research output: Contribution to journalReview article

31 Citations (Scopus)

Ovarian hyperstimulation syndrome

Kumar, P., Sait, S. F., Sharma, A. & Kumar, M., 2011, In : Journal of Human Reproductive Sciences. 4, 2, p. 70-75 6 p.

Research output: Contribution to journalArticle

70 Citations (Scopus)

Vitamin E supplementation in semen-freezing medium improves the motility and protects sperm from freeze-thaw-induced DNA damage

Kalthur, G., Raj, S., Thiyagarajan, A., Kumar, S., Kumar, P. & Adiga, S. K., 01-03-2011, In : Fertility and Sterility. 95, 3, p. 1149-1151 3 p.

Research output: Contribution to journalArticle

59 Citations (Scopus)

yüzdürme ve dansite gradient ayi{dotless}rma metotlari{dotless}ni{dotless}n kombinasyonu DNA hasarli{dotless} spermleri etkili bir şekilde uzaklaşti{dotless}ri{dotless}r

Translated title of the contribution: Combination of swim-up and density gradient separation methods effectively eliminate DNA damaged spermGhumman, S., Adiga, S. K., Upadhya, D., Kalthur, G., Jayaraman, V., Rao, S. B. & Kumar, P., 2011, In : Journal of the Turkish German Gynecology Association. 12, 3, p. 148-152 5 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2013

Assisted reproduction in polycystic ovarian disease: A multicentric trial in India

Kumar, P., Nawani, N., Malhotra, N., Malhotra, J., Patil, M., Jayakrishnan, K., Kar, S., Jirge, P. R. & Mahajan, N., 01-01-2013, In : Journal of Human Reproductive Sciences. 6, 1, p. 49-53 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
3 Citations (Scopus)

Influence of endomeriotic cyst diameter and the severity of endometriosis on the ovarian parenchyma excised during laparoscopic cystectomy

Ramachandran, A., Dhulkhed, S., Bhakta, R., Bhat, R. G., Rao, A. C. K., Vasudeva, A., Vishalakshi, A. & Kumar, P., 05-10-2013, In : Journal of Clinical and Diagnostic Research. 7, 10, p. 2241-2243 3 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

"near miss" obstetric events and maternal deaths in a tertiary care hospital: An audit

Ps, R., Verma, S., Rai, L., Kumar, P., Pai, M. V. & Shetty, J., 19-07-2013, In : Journal of Pregnancy. 2013, 393758.

Research output: Contribution to journalArticle

30 Citations (Scopus)

NMR studies of preimplantation embryo metabolism in human assisted reproductive techniques: A new biomarker for assessment of embryo implantation potential

Pudakalakatti, S. M., Uppangala, S., D'Souza, F., Kalthur, G., Kumar, P., Adiga, S. K. & Atreya, H. S., 01-2013, In : NMR in Biomedicine. 26, 1, p. 20-27 8 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

Preimplantation and postimplantation therapy for the treatment of reproductive failure

Kumar, P. & Mahajan, S., 01-04-2013, In : Journal of Human Reproductive Sciences. 6, 2, p. 88-92 5 p.

Research output: Contribution to journalReview article

6 Citations (Scopus)

Semen Abnormalities, Sperm DNA Damage and Global Hypermethylation in Health Workers Occupationally Exposed to Ionizing Radiation

Kumar, D., Salian, S. R., Kalthur, G., Uppangala, S., Kumari, S., Challapalli, S., Chandraguthi, S. G., Krishnamurthy, H., Jain, N., Kumar, P. & Adiga, S. K., 29-07-2013, In : PLoS One. 8, 7, e69927.

Research output: Contribution to journalArticle

33 Citations (Scopus)
7 Citations (Scopus)
2014

Association between sperm DNA integrity and seminal plasma antioxidant levels in health workers occupationally exposed to ionizing radiation

Kumar, D., Salian, S. R., Kalthur, G., Uppangala, S., Kumari, S., Challapalli, S., Chandraguthi, S. G., Jain, N., Krishnamurthy, H., Kumar, P. & Adiga, S. K., 2014, In : Environmental Research. 132, p. 297-304 8 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Fetal akinesia deformation sequence: Expanding the phenotypic spectrum

Nayak, S. S., Kadavigere, R., Mathew, M., Kumar, P., Hall, J. G. & Girisha, K. M., 2014, In : American Journal of Medical Genetics, Part A. 164, 10, p. 2643-2648 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Identification of biochemical differences between different forms of male infertility by nuclear magnetic resonance (NMR) spectroscopy

Jayaraman, V., Ghosh, S., Sengupta, A., Srivastava, S., Sonawat, H. M. & Narayan, P. K., 01-01-2014, In : Journal of Assisted Reproduction and Genetics. 31, 9, p. 1195-1204 10 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)
7 Citations (Scopus)

Laparoscopic cystectomy of endometrioma: Good surgical technique does not adversely affect ovarian reserve

Bhat, R. G., Dhulked, S., Ramachandran, A., Bhaktha, R., Vasudeva, A., Kumar, P. & Rao, A. C. K., 01-01-2014, In : Journal of Human Reproductive Sciences. 7, 2, p. 125-129 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Laser-assisted hatching of cleavage-stage embryos impairs developmental potential and increases DNA damage in blastocysts

Honguntikar, S. D., Uppangala, S., Salian, S. R., Kalthur, G., Kumar, P. & Adiga, S. K., 2014, In : Lasers in Medical Science. 30, 1, p. 95-101 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Orlistat in polycystic ovarian syndrome reduces weight with improvement in lipid profile and pregnancy rates

Kumar, P. & Arora, S., 01-01-2014, In : Journal of Human Reproductive Sciences. 7, 4, p. 255-261 7 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Quantifying Proteinuria in Hypertensive Disorders of Pregnancy

Amin, S. V., Illipilla, S., Hebbar, S., Rai, L., Kumar, P. & Pai, M. V., 01-01-2014, In : International Journal of Hypertension. 2014, 941408.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2015
2 Citations (Scopus)

Clinical utility of fetal autopsy and its impact on genetic counseling

Nayak, S. S., Shukla, A., Lewis, L., Kadavigere, R., Mathew, M., Adiga, P. K., Vasudeva, A., Kumar, P., Shetty, J., Shah, H. & Girisha, K. M., 01-07-2015, In : Prenatal Diagnosis. 35, 7, p. 685-691 7 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)
2 Citations (Scopus)
4 Citations (Scopus)

Individualizing ovarian stimulation protocols in ART

Kumar, P., 22-09-2015, Principles and Practice of Controlled Ovarian Stimulation in ART. Springer India, p. 138-145 8 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Manipal cervical scoring system by transvaginal ultrasound in predicting successful labour induction

Bajpai, N., Bhakta, R., Kumar, P., Rai, L. & Hebbar, S., 01-05-2015, In : Journal of Clinical and Diagnostic Research. 9, 5, p. QC04-QC09

Research output: Contribution to journalArticle

7 Citations (Scopus)

New insights into infertility associated with polycystic ovarian syndrome

Pai, P. J., Sahoo, P. & Kumar, P., 01-08-2015, In : International Journal of Infertility and Fetal Medicine. 6, 2, p. 43-50 8 p.

Research output: Contribution to journalReview article

2 Citations (Scopus)

Prevalence of musculoskeletal dysfunctions among Indian pregnant women

Ramachandra, P., Maiya, A. G., Kumar, P. & Kamath, A., 06-01-2015, In : Journal of Pregnancy. 2015, 437105.

Research output: Contribution to journalArticle

16 Citations (Scopus)
2016

Congenital high airway obstruction syndrome presenting as nonimmune hydrops in a 19-week fetus

Mundkur, A., Nayak, S. S., Vasudeva, A., Katta, G. M. & Kumar, P., 01-09-2016, In : International Journal of Infertility and Fetal Medicine. 7, 3, p. 99-102 4 p.

Research output: Contribution to journalArticle

Congenital Mitral atresia: A rare anomaly diagnosed in fetal echocardiography: A case study

Krishnananda, N., Ranjan Shetty, K., Kumar, P., Shetty, K., Prabhu, S. & Jyothi, S., 01-09-2016, In : Research Journal of Pharmaceutical, Biological and Chemical Sciences. 7, 5, p. 1936-1939 4 p.

Research output: Contribution to journalArticle

Distress in infertile males in Manipal-India: A clinic based study

Patel, A., Sharma, P. S. V. N., Narayan, P., Nair, B. V. S., Narayanakurup, D. & Pai, P. J., 01-10-2016, In : Journal of Reproduction and Infertility. 17, 4, p. 213-220 8 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Endometrial osseous metaplasia

Shivamurthy, A., Jaiprakash, P., Nishith, N., Pai, P. J. & Kumar, P., 01-09-2016, In : Research Journal of Pharmaceutical, Biological and Chemical Sciences. 7, 5, p. 1237-1240 4 p.

Research output: Contribution to journalArticle

Evaluation of fetal echocardiography as a routine antenatal screening tool for detection of congenital heart disease

Nayak, K., Naveen Chandra, G. S., Shetty, R. & Narayan, P. K., 01-01-2016, In : Cardiovascular Diagnosis and Therapy. 6, 1, p. 44-49 6 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)
4 Citations (Scopus)

Influence of sperm DNA damage on human preimplantation embryo metabolism

Uppangala, S., Pudakalakatti, S., D'souza, F., Salian, S. R., Kalthur, G., Kumar, P., Atreya, H. & Adiga, S. K., 01-09-2016, In : Reproductive biology. 16, 3, p. 234-241 8 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
19 Citations (Scopus)