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Background: In Nigeria, little is known about the development of new or additional physical disability during leprosy treatment. The objective of this study was to determine the prevalence and evaluate factors associated with worsening of physical disability during leprosy treatment in Nigeria., Methods: This was a retrospective cohort study conducted among leprosy patients treated in six referral facilities in six States in Nigeria between January 2011 and December 2015. Multivariable logistic regression analysis was used to identify predictors of worsening disability after treatment., Results: Of 984 leprosy patients who completed treatment, the mean age of the patients was 39.8±17.6 years and 57.4% (565/984) of them were male. Also, 51.6% (508/984) of the patients had either grade 1 or 2 disability at diagnosis, but this declined to 30.8% (303/984) following treatment (p<0.001). Overall, 4.7% (46/984) of the cases developed new or additional disability (or worsening disability) during treatment. The cases with the greatest odds for developing worsening physical disability were patients from the southwest (adjusted odds ratio [aOR] 15.9; 95% CI 3.8-67.4) and southeast zones (aOR 4.7; 95% CI 1.1-19.2), and patients who had a leprosy reaction requiring additional corticosteroid therapy (aOR 11.7; 95% CI 4.4-31.2)., Conclusion: Sustained capacity building for health professionals on better monitoring and management of leprosy and its complications is strongly recommended in Nigeria.

Background: Poor knowledge of health care workers may be responsible for the under-diagnosis and low notification of Buruli ulcer (BU) in high-burden settings. This study assessed health care workers' knowledge, attitude and risk perception of BU in Southern Nigeria., Methods: We conducted a cross-sectional survey among 186 health care workers recruited from 58 health facilities in four states of Southern Nigeria. A semi-structured interviewer-administered questionnaire was administered to all participants., Results: The overall mean knowledge score was 8.8±2.7 (maximum 15). Only 29.0% (54/186) of the respondents had a good knowledge of BU. The mean (SD) attitude score was 4.5±1.2 (maximum 6). Also, 61.3% (114/) of the respondents had a good attitude towards BU. The overall mean (SD) risk perception score was 2.6±1.3 (maximum 5). Only 26.3% (49/) of the respondents had a good risk perception of BU disease. Previous training was an independent predictor of good knowledge (aOR 4.6), good attitude (aOR 3.8) and good risk perception (aOR 2.9) to BU., Conclusions: Health care workers in endemic settings of Nigeria have poor knowledge of and poor risk perception of BU disease. Training of health care workers is recommended to address the identified gaps to ensure earlier diagnosis and referral to specialist centres., (© The Author 2017. Published by Oxford University Press on behalf of Royal Society of Tropical Medicine and Hygiene. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)

Background: The economic burden of Buruli ulcer for patients has not been well-documented. This study assessed the costs of Buruli ulcer care to patients from the onset of illness to diagnosis and to the end of treatment., Methods: This was a cross-sectional cost of illness study conducted among patients with Buruli ulcer in four States in Nigeria between July and September 2015. A structured questionnaire was used to collect data on the patients' characteristics, household income and out-of-pocket costs of care., Results: Of 92 patients surveyed, 54 (59%) were older than 15years, 49 (53%) were males, and 86 (93%) resided in a rural area. The median (IQR) direct medical and non-medical cost per patient was US$124 (50-282) and US$3 (3-6); corresponding to 149% and 4% of the patients' median monthly household income, respectively. The overall direct costs per patient was US$135 (58-327), which corresponded to 162% of median monthly household income, with pre-diagnosis costs accounting for 94.8% of the total costs. The direct costs of Buruli ulcer care were catastrophic for 50% of all patients/households - the rates of catastrophic costs for Buruli ulcer care was 66% and 19% for patients belonging to the lowest and highest income quartiles, respectively., Conclusions: Direct costs of Buruli ulcer diagnosis and treatment are catastrophic to a substantial proportion of patients and their families., (© The Author 2016. Published by Oxford University Press on behalf of Royal Society of Tropical Medicine and Hygiene. All rights reserved.For permissions, please e-mail: journals.permissions@oup.com.)

Background: Delayed diagnosis of Buruli ulcer can worsen clinical presentation of the disease, prolong duration of management, and impose avoidable additional costs on patients and health providers. We investigated the profile, delays in diagnosis, duration of hospitalisation, and associated factors among patients with Buruli ulcer in Nigeria., Methods: This was a prospective cohort study of patients with Buruli ulcer who were identified from a community-based survey. Data on the patients' clinical profile, delays in diagnosis and duration of hospitalisation were prospectively collected., Results: Of 145 patients notified, 125 (86.2%) were confirmed by one or more laboratory tests (81.4% by PCR). The median age of the patients was 20 years, 88 (60.7%) were >15years old and 85 (58.6%) were females. In addition, 137 (94.5%) were new cases, 119 (82.1%) presented with ulcers and 110 (75.9%) had lower limb lesions. The mean time delay to diagnosis was 50.6 (±101.9) weeks. The mean duration of hospitalisation was 108 (±60) days. Determinants of time delay to diagnosis were higher disease category (p=0.001) and laboratory confirmation of disease (p=0.02). Determinants of longer hospitalisation were; multiple lesions (p=0.035), and having functional limitation at diagnosis and undertaking surgery (p=0.003)., Conclusions: Patients with Buruli ulcer have very long time delays to diagnosis and long hospitalisation during treatment. This calls for early case-finding and improved access to Buruli ulcer services in Nigeria., (© The Author 2016. Published by Oxford University Press on behalf of Royal Society of Tropical Medicine and Hygiene. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)

Background: Poor competence of clinicians may be a critical factor responsible for the under-diagnosis of childhood TB in high-burden settings. Our objective was to assess the current practices of management of childhood TB among clinicians in Nigeria., Methods: A cross-sectional survey was conducted among clinicians recruited through a three-stage sampling technique from 76 health facilities in Southern Nigeria. A semi-structured questionnaire was administered to all participants., Results: Of 106 clinicians who completed the survey, 73 (68.9%) were <40 years and 67 (63.2%) were males. Also, 14 (13.2%) were paediatricians, 22 (20.8%) were paediatric specialist trainees and 70 (66%) were medical officers in primary and secondary care health facilities. About 94% of the respondents perceived diagnosis of childhood TB a challenge in Nigeria. The overall mean (SD) knowledge score was 3.8±0.9 (maximum 5), and 68 (64.2%) had good knowledge of childhood TB. The mean (SD) appropriate practice score was 4.0±1.7 (maximum 10) and, only 8 (7.5%) of them were considered to have adopted appropriate practices regarding childhood TB care., Conclusions: There are gaps in practices adopted by frontline clinicians in the management of childhood TB in Nigeria. Focused training of health workers on childhood TB care is urgently recommended., (© The Author 2016. Published by Oxford University Press on behalf of Royal Society of Tropical Medicine and Hygiene. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)