Loss to Hospital Follow-Up in Pediatric Cerebral Malaria Survivors: A Case-Control Study

Carolyn Ramwell Division of Cardiology, Children’s National Hospital, Washington, District of Columbia;

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Alice M. Liomba Blantyre Malaria Project, Blantyre, Malawi;

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Mrinmayee Takle Division of Neurology, Children’s National Hospital, Washington, District of Columbia;

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John R. Barber Division of Biostatistics and Study Methodology, Children’s National Research Institute, Washington, District of Columbia;

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Lucinda Manda-Taylor School of Global and Public Health, Kamuzu University of Health Sciences, Blantyre, Malawi

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Cara Pleau Division of Cardiology, Children’s National Hospital, Washington, District of Columbia;

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Douglas G. Postels Blantyre Malaria Project, Blantyre, Malawi;
Division of Neurology, Children’s National Hospital, Washington, District of Columbia;

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ABSTRACT.

Children surviving central nervous system (CNS) infections are at high risk of neurological, behavioral, and cognitive sequalae. Early identification, characterization, and treatment of these sequelae may improve child and family health. In Africa, it is unclear if there are demographic or clinical factors that increase the risk of post-hospital loss to follow-up in children with CNS infections. If these factors exist, targeted educational efforts to increase rates of post-hospital retention could be focused on families at highest risk. We performed a case-control study of Malawian children with cerebral malaria, a locally common CNS infection, previously admitted to a specialized research unit in Blantyre, Malawi. Routine survivor post-hospital follow-up was scheduled for 1 month, 6 months, and 12 months. We compared demographic and clinical characteristics between 84 children who missed one or more of these post-hospital visits with 120 children who attended all visits. There were no statistically significant differences in demographic or clinical characteristics between children whose families returned for all follow-up visits and those who did not. Specifically, when comparing these groups, we found no differences in age (P = 00.646), sex (P = 0.789), duration of hospitalization (P = 0.903), distance from home to hospital (P = 0.355), type or severity of neurological sequelae (P = 0.837), guardian literacy (P = 0.057), or number of discharge medications (P = 0.464). No factors assessed in this study were associated with higher risk of loss to follow-up in Malawian child survivors of CNS infections. During hospitalization, educational efforts to increase post-hospital retention should focus on all families.

Author Notes

This work was supported by internal funding through the Global Health Initiative at Children’s National Hospital (Washington, District of Columbia).

Authors’ addresses: Carolyn Ramwell and Cara Pleau, Division of Cardiology, Children’s National Hospital, Washington, District of Columbia, E-mails: cbramwell@childrensnational.org and cpleau@childrensnational.org. Alice M. Liomba, Blantyre Malaria Project, Blantyre, Malawi, E-mail: wanguialice@gmail.com. Mrinmayee Takle, Division of Neurology, Children’s National Hospital, Washington, District of Columbia, E-mail: mtakle@childrensnational.org. John R. Barber, Division of Biostatistics and Study Methodology, Children’s National Research Institute, Washington, District of Columbia, E-mail: jrbarber@childrensnational.org. Lucinda Manda-Taylor, Kamazu University of Health Sciences, Blantyre, Malawi, E-mail: mandal@kuhes.ac.mw. Douglas G. Postels, Blantyre Malaria Project, Blantyre, Malawi, and Division of Neurology, Children’s National Hospital, Washington, District of Columbia, E-mail: dpostels@childrensnational.org.

Address correspondence to Carolyn Ramwell, Department of Cardiology, Children’s National Hospital, 111 Michigan Ave. NW, Washington, District of Columbia 20010. E-mail: cbramwell@childrensnational.org
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