Prevalence of and characteristics associated with in-hospital mortality in a Ugandan neurology ward

Monica M Diaz, Xin Hu, Brenda T Fenton, Ivan Kimuli, Allison Lee, Hayley Lindsey, Jeffrey K Bigelow, Samuel Maiser, Hamada H Altalib, Jason J Sico, Monica M Diaz, Xin Hu, Brenda T Fenton, Ivan Kimuli, Allison Lee, Hayley Lindsey, Jeffrey K Bigelow, Samuel Maiser, Hamada H Altalib, Jason J Sico

Abstract

Background: While the burden of neurologic illness in developing countries is increasing, less is known about mortality among patients admitted to sub-Saharan African hospitals with neurologic disease. We sought to characterize the rate and patient-level predictors of in-hospital mortality in a Ugandan Neurology ward.cc.

Methods: Data was prospectively collected on 335 patients admitted to the Neurology ward of Mulago Hospital, Kampala, Uganda. Kaplan-Meier survival curves and multivariate COX proportional hazard modeling were used to assess survival.

Results: Within our sample (n = 307), 35.8% received no diagnosis at time of hospital admission. Stroke (27.3%), head trauma (19.6%), and malaria (16.0%) were the most common diagnoses. Among the 56 (18.5%) patients who died during the index hospitalization, the most common diagnosis at admission and at death was stroke. Adjusted regression analysis showed that patients without a diagnosis at time of death (HR = 7.01 [2.42-20.35], p < .001) and those with diagnoses of infections (HR = 5.21 [2.16-12.58], p = <.001), stroke (HR = 2.69 [1.20-6.04], p = .017), or head trauma (HR = 3.39, [1.27-9.07], p = 0.15) had worse survival.

Conclusions: In-hospital mortality affected nearly 20% of the cohort, with worse survival among those without a diagnosis and with infections, stroke, head trauma. Future work should identify reasons for increased mortality among these high-risk groups and implement targeted interventions.

Keywords: Global neurology; Head trauma; Neurological illness; Neurological infections; Stroke; Uganda.

Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
Kaplan Meier Survival Curves. A. Kaplan Meier Survival Curves by age group (N = 302). B. Kaplan Meier Survival Curves by occupation (N = 223)a. C. Kaplan Meier Survival Curves by discharge diagnosis of stroke (N = 196)a. D. Kaplan Meier Survival Curves by discharge diagnosis of infectious disease (N = 196)a. (B,C,D) legend: a Missing groups and patients missing follow-up time were not counted in Kaplan Meier analysis

References

    1. Aarli JA, Diop AG, Lochmuller H. Neurology in sub-Saharan Africa: a challenge for world Federation of Neurology. Neurology. 2007;69:1715–1718. doi: 10.1212/01.wnl.0000285102.47543.02.
    1. GBD Neurological disorders collaborator group (2017) global, regional, and national burden of neurological disorders during 1990-2015: a systematic analysis for the global burden of disease study 2015. Lancet Neurol. 2015;16:877–897.
    1. Sico JJ. International neurology: a perspective from Uganda. New Haven: Yale School of Medicine Neurology Grand Rounds; 2010.
    1. World Health Organization. Noncommunicable diseases country profiles: World Health Organization; 2014. .
    1. Bigelow J, Berrett S, Kimuli I, et al. Perceptions of epilepsy among first-year medical students at Mulago Hospital in Kampala, Uganda. Epilepsy Behav. 2015;51:28–32. doi: 10.1016/j.yebeh.2015.06.020.
    1. Bower JH, Zenebe G. Neurologic services in the nations of Africa. Neurology. 2005;64:412–415. doi: 10.1212/01.WNL.0000150894.53961.E2.
    1. Sico JJ. Serving international neurology from Uganda. Neurol Today. 2010;10:4. doi: 10.1097/01.NT.0000372247.62037.d5.
    1. World Health Organization, editor. Atlas: country resources for neurological disorders. 2. Geneva: World Health Organization; 2017.
    1. Bower Jh AJ, Zebenigus M, Sandroni P, Sm B, Zenebe G. The burden of inpatient neurologic disease in two Ethiopian hospitals. Neurology. 2007;68:338–342. doi: 10.1212/01.wnl.0000252801.61190.e8.
    1. Kompoliti K, Doumbe J, Yn M, et al. Mortality and morbidity among hospitalized adult patients with neurological diseases in Cameroon. J Neurol Sci. 2017;381:165–168. doi: 10.1016/j.jns.2017.08.3245.
    1. Mukendi D, Lilo Kalo J, Mpanya A, et al. Clinical Spectrum, etiology, and outcome of neurological disorders in the rural Hospital of Mosango, the Democratic Republic of Congo. Am J Trop Med Hyg. 2017;97:1454–1460. doi: 10.4269/ajtmh.17-0375.
    1. Ndiaye M, Sene-Diouf F, Diop AG, et al. Neuropediatrics: epidemiological features and etiologies at the Dakar neurology service. Dakar Med. 1999;44:162–165.
    1. Philip-Ephraim EE, Eyong KI, Chinenye S, et al. The burden of inpatient neurologic disease in a tropical African hospital. Can J Neurol Sci. 2013;40:576–579. doi: 10.1017/S0317167100014694.
    1. Sarfo Fs AD, Nkyi C, Akassi J, Ok O-S, Ovbiagele B. Recent patterns and predictors of neurological mortality among hospitalized patients in Central Ghana. J Neurol Sci. 2016;363:217–224. doi: 10.1016/j.jns.2016.02.041.
    1. Uganda Bureau of Statistics . Uganda population and housing census. 2014.
    1. World Health Organization. Uganda: WHO statistical profile: World Health Organization; 2012. .
    1. Dewhurst F., Dewhurst M. J., Gray W. K., Aris E., Orega G., Howlett W., Warren N., Walker R. W. The prevalence of neurological disorders in older people in Tanzania. Acta Neurologica Scandinavica. 2012;127(3):198–207. doi: 10.1111/j.1600-0404.2012.01709.x.
    1. Kaddumukasa M, Mugenyi L, Mn K, et al. Prevalence and incidence of neurological disorders among adult Ugandans in rural and urban Mukono district; a cross-sectional study. BMC Neurol. 2016;16:227. doi: 10.1186/s12883-016-0732-y.
    1. Kabudula CW, Houle B, Collinson MA, et al. Socioeconomic differences in mortality in the antiretroviral therapy era in Agincourt, rural South Africa, 2001–2013;13: a population surveillance analysis. Lancet Glob Health. 2017;5:e924–e935. doi: 10.1016/S2214-109X(17)30297-8.
    1. Houle B, Clark SJ, Gómez-Olivé FX, et al. The unfolding counter-transition in rural South Africa: mortality and cause of death, 1994–2009. PLoS One. 2014;9:e100420. doi: 10.1371/journal.pone.0100420.
    1. Burger EH, Groenewald P, Bradshaw D, et al. Validation study of cause of death statistics in Cape Town, South Africa, found poor agreement. J Clin Epidemiol. 2012;65:309–316. doi: 10.1016/j.jclinepi.2011.08.007.
    1. Hernández B, Ramírez-Villalobos D, Romero M, et al. Assessing quality of medical death certification: concordance between gold standard diagnosis and underlying cause of death in selected Mexican hospitals. Popul Health Metrics. 2011;9:38. doi: 10.1186/1478-7954-9-38.
    1. Rao C, Yang G, Hu J, et al. Validation of cause-of-death statistics in urban China. Int J Epidemiol. 2007;36:642–651. doi: 10.1093/ije/dym003.
    1. Carter K, Hufanga S, Rao C, et al. Causes of death in Tonga: quality of certification and implications for statistics. Popul Health Metrics. 2012;10:4. doi: 10.1186/1478-7954-10-4.
    1. Chukwu BF, Ezenwosu OU, Ikefuna AN, et al. Diagnostic delay in pediatric cancer in Enugu, Nigeria: a prospective study. Pediatr Hematol Oncol. 2015;32:164–171. doi: 10.3109/08880018.2014.957368.
    1. Gebreegziabher SB, Bjune GA, Yimer SA. Total delay is associated with unfavorable treatment outcome among pulmonary tuberculosis patients in west Gojjam zone, Northwest Ethiopia: a prospective cohort study. PLoS One. 2016;11:e0159579. doi: 10.1371/journal.pone.0159579.
    1. Chin J, Vora N. The global burden of neurologic diseases. Neurology. 2014;83:349–351. doi: 10.1212/WNL.0000000000000610.
    1. World Health Organization Neurological Disorders: Public Health Challenges. Chapter 2: Global burden of neurological disorders: estimates and projections. In: .
    1. Roth Gregory A., Huffman Mark D., Moran Andrew E., Feigin Valery, Mensah George A., Naghavi Mohsen, Murray Christopher J.L. Global and Regional Patterns in Cardiovascular Mortality From 1990 to 2013. Circulation. 2015;132(17):1667–1678. doi: 10.1161/CIRCULATIONAHA.114.008720.
    1. Kahn K, Tollman SM. Stroke in rural South Africa - contributing to the little known about a big problem. S Afr Med J. 1999;89:63–65.
    1. Owolabi MO, Akarolo-Anthony S, Akinyemi R, et al. The burden of stroke in Africa: a glance at the present and a glimpse into the future. Cardiovasc J Afr. 2015;26:S27–38.
    1. Connor Myles D, Walker Richard, Modi Girish, Warlow Charles P. Burden of stroke in black populations in sub-Saharan Africa. The Lancet Neurology. 2007;6(3):269–278. doi: 10.1016/S1474-4422(07)70002-9.
    1. Moran A, Forouzanfar M, Sampson U, et al. The epidemiology of cardiovascular diseases in sub-Saharan Africa: the global burden of diseases, injuries and risk factors 2010 study. Prog Cardiovasc Dis. 2013;56:234–239. doi: 10.1016/j.pcad.2013.09.019.
    1. Olarinde OJ, & Olatunji OY. Pattern of deaths in medical wards of a rurally situated tertiary health institution, Ido-Ekiti, Nigeria. Niger J Clin Pract. 2014;17:237–40.
    1. Sanya EmmanuelO, Kolo Philip, Adekeye Kehinde, Abiodun AlfredA, Olanrewaju TimothyO. Profile and causes of mortality among elderly patients seen in a tertiary care hospital in Nigeria. Annals of African Medicine. 2011;10(4):278. doi: 10.4103/1596-3519.87043.
    1. O'Donnell Martin J, Chin Siu Lim, Rangarajan Sumathy, Xavier Denis, Liu Lisheng, Zhang Hongye, Rao-Melacini Purnima, Zhang Xiaohe, Pais Prem, Agapay Steven, Lopez-Jaramillo Patricio, Damasceno Albertino, Langhorne Peter, McQueen Matthew J, Rosengren Annika, Dehghan Mahshid, Hankey Graeme J, Dans Antonio L, Elsayed Ahmed, Avezum Alvaro, Mondo Charles, Diener Hans-Christoph, Ryglewicz Danuta, Czlonkowska Anna, Pogosova Nana, Weimar Christian, Iqbal Romaina, Diaz Rafael, Yusoff Khalid, Yusufali Afzalhussein, Oguz Aytekin, Wang Xingyu, Penaherrera Ernesto, Lanas Fernando, Ogah Okechukwu S, Ogunniyi Adesola, Iversen Helle K, Malaga German, Rumboldt Zvonko, Oveisgharan Shahram, Al Hussain Fawaz, Magazi Daliwonga, Nilanont Yongchai, Ferguson John, Pare Guillaume, Yusuf Salim. Global and regional effects of potentially modifiable risk factors associated with acute stroke in 32 countries (INTERSTROKE): a case-control study. The Lancet. 2016;388(10046):761–775. doi: 10.1016/S0140-6736(16)30506-2.
    1. Nkusi Agabe Emmy, Muneza Severien, Nshuti Steven, Hakizimana David, Munyemana Paulin, Nkeshimana Menelas, Rudakemwa Emmanuel, Amendezo Etienne. Stroke Burden in Rwanda: A Multicenter Study of Stroke Management and Outcome. World Neurosurgery. 2017;106:462–469. doi: 10.1016/j.wneu.2017.06.163.
    1. Lacy Clifton R., Suh Dong-Churl, Bueno Maureen, Kostis John B. Delay in Presentation and Evaluation for Acute Stroke. Stroke. 2001;32(1):63–69. doi: 10.1161/01.STR.32.1.63.
    1. Bowen HP, Wiersema MF. Matching method to paradigm in strategy research: limitations of cross-sectional analysis and some methodological alternatives. Strateg Manag J. 1999;20:625–636. doi: 10.1002/(SICI)1097-0266(199907)20:7<625::AID-SMJ45>;2-V.
    1. Kamulegeya LH, Kizito M, Nassali R, et al. The scourge of head injury among commercial motorcycle riders in Kampala; a preventable clinical and public health menace. Afr Health Sci. 2015;15:1016–1022. doi: 10.4314/ahs.v15i3.41.
    1. Goldstein LB. Improving the clinical diagnosis of stroke. Stroke. 2006;37:754–755. doi: 10.1161/01.STR.0000209161.43107.29.

Source: PubMed

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