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Dr. Uchenna Catherine Okonkwo


Internal Medicine


Senior Lecturer


[email protected]

About Dr. Uchenna Catherine Okonkwo

Dr. Uchenna Catherine Okonkwo joined the University of Calabar as Lecturer I in 2011. She was promoted to the rank of Senior Lecturer in the Department of Internal Medicine in 2014. Uchenna graduated from Nnamdi Azikiwe University, Awka in 1998. She is a Fellow of the West African College of Physicians (2009) and National Post-Graduate Medical College of Nigeria (2010). Dr Okonkwo is presently a Chief Consultant with the University of Calabar Teaching Hospital. She specializes in Gastroenterology/Hepatology/Gastro-intestinal Endoscopy and has been heading the Gastroenterology Unit since its inception in 2012. She is involved in the training of Undergraduate Medical Students and Post-graduate Resident Doctors in General Medicine, Gastroenterology and Hepatology. Dr Uchenna has supervised/cosupervised several Post-Graduate Dissertations in Gastroenterology and Hepatology. She has served as the Faculty of Medicine Representative to Faculty of Library Sciences (2014-2015) and is presently serving as Chairman, Departmental Welfare Committee. Dr Uchenna is a beneficiary of the 2014 University of Calabar Institutional-based Tertiary Education Trust Fund grant. She also received grant from Micronova Pharmaceutical Company for drug trials in 2014. Dr Uchenna is currently serving Nigerian Journal of Clinical Practice, Nigerian Journal of Gastroenterology and Hepatology, among others as reviewer. She is an examiner for the West African College of Physicians (2017-date). Dr Uchenna has published many articles in both local and international peer-review Journals. She has also attended several local and international conferences. She is presently supervising over three graduate students.

S/N Qualification School Atttended Started Finished

S/N Publication
Okonkwo, U. C., Ekpenyong, B., Ndep, A., & Nja, G. (2020): Managerial competencies-A survey of healthcare managers in a tertiary hospital in Calabar, South-South Nigeria, Nigerian Journal of Clinical Practice
Oguanobi, N. I., Odenigbo, C. U., Oguejiofor, O. C., Aniekwensi, E., Okonkwo, U. C., Odenigbo, U. M., Agogbua, T. (2020): Age-Related Electrocardiographic Changes in Apparently Healthy Adult Nigerians. On J Cardiovas Res. 3(3): DOI: 10.33552/OJCR.2020.03.000563
Okonkwo, U. C., Ekpenyong, B., & Ndep, A. (2020): Perceived important managerial competencies for healthcare managers at a tertiary healthcare institution in Calabar, Cross River State, Nigeria. Journal of Hospital Administration, 9(1): DOI: 10.5430/jha.v9n1p18 URL:
Kooffreh-Ada, M., Okonkwo, U. C., Ugbong E, Essien A, Chukwudike E, Edogiawerie D, & Ngim, O. (2019): Prevalence of helicobacter pylori infection among dyspepsia patients in Calabar. Global Journal of Pure and Applied Sciences 25: 145-151
Kooffreh-Ada, M., Chukwudike, E., Kajogbola, G., Eghwubare, F., Okonkwo, U. C., & Ngim, O. (2019): Budd Chiari Syndrome: An unexpected diagnosis in a Gastroenterology practice in Calabar, Nigeria. Global Journal of Pure and Applied Sciences 25: 103-107
Okonkwo, U. C., Kooffreh-Ada, M., Chukwudike, E., & Ngim, O. E. (2019): Immunological Clearance Following Treatment of Chronic Hepatitis B with NU. C.leotide Analogue-A Case Report. East African Scholars Journal of Medical Sciences 2019, 2(3): DOI: 10.36349/easms.2019.v02i03.021
Chukwurah, N. S., Okonkwo, U. C., & Ihekwaba, A. E. (2019): Comparative analysis of indices of the metabolic syndrome in patients with and without non-alcoholic fatty liver disease at a teaching hospital in Nnewi, South-East, Nigeria. Asian Journal of Medical Sciences 10(2): 40-45
Okonkwo, U. C., Onyekwere, C. A., Ngim, O. E., Nwagbara, V. I., & Bello, R. N. (2018): Factors impeding the practice of liver transplantation amongst Hepatologists in West Africa. Nigerian Journal of Gastroenterology and Hepatology 10(1):
Okonkwo, U. C., Out, A., Ameh, S., & Okpara, H. (2018): Public Awareness of Hepatitis B Virus Infection in Cross River State, Nigeria: A Population-Based Survey. West African Journal of Medicine, 35(2): 79–84.
Kooffreh – Ada, M., Chukwuegbo, C., Ngim, O., Ameh, S., Ikpeme, A., Okonkwo, U. C., & Ihekwaba, A. (2018): A comparative analysis of the APRI and FIB4 score in evaluating the severity of chronic liver disease in a low and middle income setting. Global Journal of Medicine and Public Health, 7(6): 1-9
Okonkwo, U. C., Okpara, H., Otu, A., Ameh, S., Ogarekpe, Y., Osim, H., & Inyama, M. (2017): Prevalence of hepatitis B, hepatitis C and human immunodeficiency viruses, and evaluation of risk factors for transmission: Report of a population screening in Nigeria): South African Medical Journal, 107(4): 346-351.
Ngim, O. E., Okonkwo, U. C., Kooffreh-Ada, M., Marwa, A., Ukpabio, I., & Ndoma-egba, R. (2017): A Two-Year Review of Upper Gastrointestinal Endoscopy in Calabar, Nigeria. IOSR Journal of Dental and Medical Sciences, 16(5): 31-34.
Okonkwo, U. C., Ameh, S., Otu, A., & Okpara, H. (2017): HIV-related knowledge, attitude and practices of healthy adults in Cross River State Nigeria: a population based-survey. The Pan African Medical Journal, 27: 170. doi:10.11604/pamj.2017.27.170.12082
Okonkwo, U. C., Ngim, O. E., Osim, H., Inyama, M., Kooffreh-Ada, M., Esu, E., Ndoma-Egba, R., Ezedinachi, E. (2017): Knowledge of hepatitis B virus infection among traders, Nigerian Journal of Clinical Practice, 20(4): 415-420.
Yang, J. D., Mohamed, E. A., Abdel Aziz, A. O., Shousha, H. I., Hashem, M. B., Nabeel, M. M., Abdelmaksoud, A. H., Elbaz, T. M., Afihene, M. Y., Duduyemi, B. M., Ayawin, J. P., Gyedu, A., Lohouès-Kouacou, M. J., Ndjitoyap Ndam, A. W,, Moustafa, E. F., Hassany, S. M., Moussa, A. M., Ugiagbe, R. A., Omuemu, C. E., Anthony, R., Palmer, D., Nyanga, A. F., Malu, A. O., Obekpa, S., Abdo, A. E., Siddig, A. I., Mudawi, M. Y., Okonkwo, U. C., Kooffreh-Ada, M., Awuku, Y. A., Nartey, Y. A., Abbew, E. T., Awuku, N. A., Otegbayo, J. A., Akande, K. O., Desalegn, H. M., Omonisi, A. E., Ajayi, A. O., Okeke, E. N., Duguru, M. J., Davwar, P. M., Okorie, M. C., Mustapha, S., Debes, J. D., Ocama, P., Lesi, O. A., Odeghe, E., Bello, R., Onyekwere, C., Ekere, F., Igetei, R., Mah`moud, M. A., Addissie, B., Ali, H. A., Gores, G. J., Topazian, M. D., Roberts, L. R., & the Africa Network for Gastrointestinal and Liver Diseases (2017): Characteristics, management, and outcomes of patients with hepatocellular carcinoma in Africa: a multi-country observational study, Lancet Gastroenterol Hepatol, 2: 103–11.
Okonkwo, U. C., Umoh, I. O., Henshaw, E., & Victor, A. (2017): Prevalence of dyspeptic symptoms among patients on low‑dose antiplatelet therapy. Nig J Cardiol, 14: 92-6.
Kooffreh-Ada, M., Okpara, H., Okonkwo, U. C., Ngim, O. E., & Ihekwaba, A. (2017): Clinical and laboratory profile of chronic liver disease patients in a tertiary hospital in Calabar, Nigeria. Nigerian Journal of Gastroenterology and Hepatology 9(1): 21-30
Okonkwo, U. C., Bello, R., Ngim, O. E., & Nwagbara, V. (2016): Characteristics of Hepatocellular Carcinoma in Two Tertiary Hospitals in Nigeria - Has anything Changed? International Journal of Sciences: DOI: 10.18483/ijSci.1144.
Yang, J. D., Okeke, E. N., Duguru, M. J., Afihene, M., Duduyemi, B., Micah, E. A., Gyedu, A., Kouakou-Lohoues, M. J., Malu, A. O., Obekpa, S., Mustapha, S. K., Otegbayo, J. A., Omonisi, A. E., Ajayi, A. O., Okonkwo, U. C., Kooffreh-Ada, M., Palmer, D., Debes, J. D., Onyekwere, C. A., Ekere, F., Igetei, R., & Roberts, L. (2016): Mo1510 Prognosis of Patients with Hepatocellular Carcinoma Is Extremely Poor in African Country. Gastroenterology, 150(4): Suppl.1, S1135–S1136
Okocha, E. C., Onwubuya, E. I., Osuji, C. U., Ahaneku, G., Okonkwo, U. C., Ibeh, N. C., Aneke, J. C., Nwachukwu, P. E., & Onah, C. (2016): Serum ferritin and severity scores in sickle cell disease patients in Nnewi, South East Nigeria. British Journal of Medicine and Medical Research, 11(2): 1-7.
Yang, J. D., Gyedu, A., Afihene, M. Y., Duduyemi, B. M., Micah, E., Kingham, T. P., Nyirenda, M., Nkansah, A., Bandoh, S., Duguru, M., Okeke, E. N., Kouakou-Lohoues, M. J., Abdo, A., Awuku, Y. A., Ajayi, A. O., Omonisi, A. E., Ocama, I. P., Malu, A. O., Mustapha, S., Okonkwo, U., Kooffreh-Ada, M., Debes, J., Onyekwere, C., Ekere, F., Rufina, I., & Roberts, L. R. (2015): Hepatocellular Carcinoma Occurs at an Earlier Age in Africans, Particularly in Association with Chronic Hepatitis B. American Journal of Gastroenterology, 20. doi: 10.1038/ajg.2015.289
Kooffreh-Ada, M., Okpara, H., Oku, A., Okonkwo, U., & Ihekwaba, A. (2015): Risk factors of chronic liver disease amongst patients receiving care in a Gastroenterology practice in Calabar. IOSR Journal of Dental and Medical Sciences, 14(12): 6-13.
Okocha, E., Onwubuya, E., Osuji, C., Ahaneku, G., Okonkwo, U., Ibeh, N., Aneke, J., Nwachukwu, E., & Onah, C. (2015): Disease Severity Scores and Haemogram Parameters in Nigerian Sickle Cell Disease Patients. Journal of Blood Disorders and Transfusion, 6: 324. doi:10.4172/2155-9864.1000324
Okonkwo, U. C., Aluka, A., & Ezedinachi, E. (2014): Effects of Silymarin on Treatment Naive Patients with Chronic Hepatitis B Infection -A Randomized Controlled Trial -Journal of Infectious disease and therapy, 2: 168. doi:10.4172/2332-0877.1000168.
Okonkwo, U. C., & Onyekwere, C. A. (2014): Challenges in the management of chronic HBV infection in West Africa: The clinician’s perspective. Tropical Doctor, doi:10.1177/0049475514561822
Ngim, O. E., Okonkwo, U.C, & Ada, M. K., (2014): Pioneering video colonoscopy in South-south, Nigeria. A six-month prospective review. Journal of Dental and Medical Sciences, 13(1): 24-27.
Okonkwo, U. C., Oguejiofor, O. C., Odenigbo, C. U., Odenigbo, U. M., & Oguanobi, N. I. (2013): Diet, alcohol consumption and serum lipid levels of elderly men and women of Ibo extraction in Delta state, Nigeria. Orient journal of Medicine, 25(1-2): 1 – 7.
Okonkwo, U. C., Onyekwere, C. A., Nwosu, M. N., Oguejiofor, O. C., Odenigbo, C. U., & Nwankwo, H. M. (2013): Diagnosing Irritable bowel syndrome in a student population, A comparison of the World Gastroenterology Questionnaire and the Rome III criteria. Mary Slessor Journal of Medicine, 12(1): 64-70.
Okonkwo, U. C., Ansa, V., Umoh, I., & Adimekwe, A. (2013): Pulmonary tuberculosis presenting as spontaneous pneumothorax in a young Nigerian-A case report. African journal of respiratory medicine, 8(2): 24-25.
Okocha, E. C., Oguejiofor, O. C., Odenigbo, C. U., Okonkwo, U. C., & Asomugha L (2012): Prevalence of hepatitis B surface antigen seropositivity among HIV-infected and non-infected individuals in Nnewi, Nigeria. Nigerian Medical Journal, 53(4): 249-253.
Alatise, O. I., Otegbayo, I. A., Nwosu, M. N., Lawal, O. O., Ola, S. O., Anyanwu, S. N. C., Ndububa, D. A., Akere, A., Odike, M. A. C., Agbakwuru, E. A., Soyemi, O. M., & Okonkwo, U. C. (2012): Characteristics of inflammatory bowel disease in Nigerian patients. West African journal of Medicine, 31(1): 28 - 33
Okonkwo, U. C., Nwosu, M. N., Ukah, C., Okpala, O. C., & Ahaneku, J. I. (2011): The clinical and pathological features of hepatocellular carcinoma in Nnewi, Nigeria. Nigerian Journal of Medicine, 20(3): 366-371.
Okonkwo, U. C., Nwosu MN, Nnadozie OJ, Mamah V, Nsoedo CW (2011): Is liver function tests of any diagnostic relevance in patients presenting with Hepatocellular carcinoma? Orient journal of Medicine, 23(1-4): 17-23.
Okocha E., Odenigbo U, & Okonkwo, U. C. (2011): Haematological parameters in association with outcomes in sickle cell anemia patients. Indian Journal of Medical sciences, 65(9): 393-398.
Okonkwo, U.C., Nwosu, M., & Bojuwoye B. (2010): The Predictive Values of the Meld and Child-Pugh Scores in Determining Mortality from Chronic Liver Disease Patients in Anambra State, Nigeria. The Internet Journal of Gastroenterology, 10(2):1-8
Okonkwo, U.C., Nwosu M., Okpala O., & Ahaneku, J. (2010): The relationship between alpha-fetoprotein and etiological factors in patients with Hepatocellular carcinoma in Nnewi. Nigerian Journal of Gastroenterology and Hepatology, 2(1):13-19
Ahaneku, G., Nwosu M. N., & Okonkwo, U. C. (2010): Helicobacter pylori carriage among adult Nigerian subjects without dyspeptic symptoms. Tropical Journal of Medical Research, 14(1): 4 – 6.
Nwosu, M. N., Anyanwu, S. N. C., Odike, M. A. C., Okonkwo, U. C., Okpala, O. C., & Nwosu, M. C. (2010): Inflammatory bowel disease in two female Nigerians, Crohn’s disease and ulcerative colitis-A case report. Tropical Journal of Medical Research, 14(1): 35 – 37.
Nwosu, M.N., Okonkwo, U. C., Ahaneku, G. (2010): Prevalence of H. pylori infection among symptomatic subjects with dyspepsia at Nnewi. Tropical Journal of Medical Research, 14(2): 38 – 41.
Okonkwo, U. C. (2009): Mortality from chronic liver disease in Anambra State-A study of the predictive ability of selected clinical indices, Child-Pugh’s and MELD scores. Faculty of Internal Medicine. Available online at
Ladep N., Malu A., Okeke E., Ugiagbe R., & Okonkwo, U.C. (2009): Early Virologic Response to pegylated interferon in chronic hepatitis B infection-Case report. Nigerian Journal of Medicine, 18(3): 332-333.

warning No Result For Grants Received.

S/N Conference Description Started Finished
Workshop on imaging in GastroenterologyWorkshop on imaging in Gastroenterology, Port Harcourt, Nigeria- 19th November, 2007.2007-11-192007-11-19
World Congress of Gastroenterology.World Congress of Gastroenterology, ExCel, London, United kingdom- 21st-25th November, 2009.2009-11-212009-11-25
Doctors as Educators WorkshopDoctors as educators workshop organized by the Royal College of Physicians and West African college of physicians, Ibadan, Nigeria- 14th-17th April, 2010.2010-04-142010-04-17
Current Medical Clinical Practice Research, Grant Proposal –manship, the UCTH malaria experience-lecture seriesCurrent Medical Clinical Practice Research, Grant Proposal –manship, the UCTH malaria experience-lecture series, Faculty of Clinical Sciences, University of Calabar, Nigeria-27th March, 2013.2013-03-272013-03-27
Asian Pacific Association liver week.Asian Pacific Association liver week, Suntec, Singapore. 6th -10th June, 2013.2013-06-062013-06-10
7th Scientific Conference and Annual General meeting of the Society for Gastroenterology and Hepatology.7th Scientific Conference and Annual General meeting of the Society for Gastroenterology and Hepatology in Nigeria, Enugu, Nigeria. 19th – 20th June, 2014.2014-06-192014-06-20