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Prevalence of Trachoma in Niger State, North Central Nigeria: Results of 25 Population-Based Prevalence Surveys Carried Out with the Global Trachoma Mapping Project.
Ophthalmic Epidemiol. 2016; 23(sup1):63-69.OE

Abstract

PURPOSE

To determine the prevalence of trachoma in each of the 25 local government areas (LGAs) of Niger State, Nigeria.

METHODS

A population-based cross-sectional survey was conducted in each Niger State LGA between March and April 2014, as part of the Global Trachoma Mapping Project (GTMP). GTMP protocols were used in planning and conduct of the surveys. Using probability proportional to size, 25 clusters were selected; in each of these clusters, 25 households were enrolled for the survey. All residents aged 1 year and older were examined by GTMP-certified graders for trachomatous inflammation - follicular (TF) and trichiasis using the World Health Organization simplified grading scheme. Additionally, we collected data on household water and sanitation facilities.

RESULTS

Only one LGA (Kontagora) had TF prevalence in 1-9-year-olds above 10%; one other LGA (Rafi) had TF prevalence between 5.0 and 9.9%. Six LGAs need trichiasis surgical services provided to achieve a prevalence of <1 case of trichiasis per 1000 total population. The proportion of households with access to improved water sources ranged from 23 to 100%, while household-level access to improved latrines ranged from 8 to 100% across the LGAs.

CONCLUSION

The prevalence of trachoma is relatively low in most of Niger State. There is a need for community-based trichiasis surgical services in a small number of LGAs. The trachoma elimination program could engage water and sanitation agencies to augment access to improved water and sanitation facilities, for human rights reasons. Kontagora and Rafi need community-based interventions to reduce the prevalence of active trachoma.

Authors+Show Affiliations

a Ophthalmology Unit, Surgery Department , Usmanu Danfodiyo University , Sokoto , Nigeria.b Sightsavers, Nigeria country office , Kaduna , Nigeria. c Department of Ophthalmology , University of Jos , Jos , Nigeria.a Ophthalmology Unit, Surgery Department , Usmanu Danfodiyo University , Sokoto , Nigeria.d National Eye Centre , Kaduna , Nigeria.e Gambo Sawaba Hospital , Zaria , Nigeria.f Mission To Save The Helpless , Jos , Nigeria.b Sightsavers, Nigeria country office , Kaduna , Nigeria.g Federal Ministry of Health , Abuja , Nigeria.h Ministry of Health , Niger State.b Sightsavers, Nigeria country office , Kaduna , Nigeria.g Federal Ministry of Health , Abuja , Nigeria.i Task Force for Global Health , Decatur, GA , USA.i Task Force for Global Health , Decatur, GA , USA.i Task Force for Global Health , Decatur, GA , USA.i Task Force for Global Health , Decatur, GA , USA.g Federal Ministry of Health , Abuja , Nigeria.j Clinical Research Department , London School of Hygiene & Tropical Medicine , London , UK.No affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

27918223

Citation

Adamu, Mohammed Dantani, et al. "Prevalence of Trachoma in Niger State, North Central Nigeria: Results of 25 Population-Based Prevalence Surveys Carried Out With the Global Trachoma Mapping Project." Ophthalmic Epidemiology, vol. 23, no. sup1, 2016, pp. 63-69.
Adamu MD, Mpyet C, Muhammad N, et al. Prevalence of Trachoma in Niger State, North Central Nigeria: Results of 25 Population-Based Prevalence Surveys Carried Out with the Global Trachoma Mapping Project. Ophthalmic Epidemiol. 2016;23(sup1):63-69.
Adamu, M. D., Mpyet, C., Muhammad, N., Umar, M. M., Muazu, H., Olamiju, F., Isiyaku, S., Onyebuchi, U., Bosso, U. A., William, A., Nwobi, B. C., Willis, R., Flueckiger, R. M., Pavluck, A., Chu, B. K., Olobio, N., & Solomon, A. W. (2016). Prevalence of Trachoma in Niger State, North Central Nigeria: Results of 25 Population-Based Prevalence Surveys Carried Out with the Global Trachoma Mapping Project. Ophthalmic Epidemiology, 23(sup1), 63-69. https://doi.org/10.1080/09286586.2016.1242757
Adamu MD, et al. Prevalence of Trachoma in Niger State, North Central Nigeria: Results of 25 Population-Based Prevalence Surveys Carried Out With the Global Trachoma Mapping Project. Ophthalmic Epidemiol. 2016;23(sup1):63-69. PubMed PMID: 27918223.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Prevalence of Trachoma in Niger State, North Central Nigeria: Results of 25 Population-Based Prevalence Surveys Carried Out with the Global Trachoma Mapping Project. AU - Adamu,Mohammed Dantani, AU - Mpyet,Caleb, AU - Muhammad,Nasiru, AU - Umar,Murtala Muhammad, AU - Muazu,Habila, AU - Olamiju,Francisca, AU - Isiyaku,Sunday, AU - Onyebuchi,Uwazoeke, AU - Bosso,Usman Abubakar, AU - William,Adamani, AU - Nwobi,Benjamin C, AU - Willis,Rebecca, AU - Flueckiger,Rebecca Mann, AU - Pavluck,Alexandre, AU - Chu,Brian K, AU - Olobio,Nicholas, AU - Solomon,Anthony W, AU - ,, Y1 - 2016/12/05/ PY - 2016/12/6/pubmed PY - 2017/7/19/medline PY - 2016/12/6/entrez KW - Elimination KW - Global Trachoma Mapping Project KW - Nigeria KW - epidemiology KW - trachoma KW - trichiasis SP - 63 EP - 69 JF - Ophthalmic epidemiology JO - Ophthalmic Epidemiol VL - 23 IS - sup1 N2 - PURPOSE: To determine the prevalence of trachoma in each of the 25 local government areas (LGAs) of Niger State, Nigeria. METHODS: A population-based cross-sectional survey was conducted in each Niger State LGA between March and April 2014, as part of the Global Trachoma Mapping Project (GTMP). GTMP protocols were used in planning and conduct of the surveys. Using probability proportional to size, 25 clusters were selected; in each of these clusters, 25 households were enrolled for the survey. All residents aged 1 year and older were examined by GTMP-certified graders for trachomatous inflammation - follicular (TF) and trichiasis using the World Health Organization simplified grading scheme. Additionally, we collected data on household water and sanitation facilities. RESULTS: Only one LGA (Kontagora) had TF prevalence in 1-9-year-olds above 10%; one other LGA (Rafi) had TF prevalence between 5.0 and 9.9%. Six LGAs need trichiasis surgical services provided to achieve a prevalence of <1 case of trichiasis per 1000 total population. The proportion of households with access to improved water sources ranged from 23 to 100%, while household-level access to improved latrines ranged from 8 to 100% across the LGAs. CONCLUSION: The prevalence of trachoma is relatively low in most of Niger State. There is a need for community-based trichiasis surgical services in a small number of LGAs. The trachoma elimination program could engage water and sanitation agencies to augment access to improved water and sanitation facilities, for human rights reasons. Kontagora and Rafi need community-based interventions to reduce the prevalence of active trachoma. SN - 1744-5086 UR - https://www.unboundmedicine.com/medline/citation/27918223/Prevalence_of_Trachoma_in_Niger_State DB - PRIME DP - Unbound Medicine ER -