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August 07, 2018; 91 (6) Global Perspectives

Neurology outreach clinic for Huntington disease in Peru

Lessons for neurodegenerative diseases

Anastasia Vishnevetsky, Maryenela Illanes-Manrique, Miguel Inca-Martinez, Karina Milla-Neyra, Elison Sarapura-Castro, Pilar Mazzetti, Mario Cornejo-Olivas
First published July 6, 2018, DOI: https://doi.org/10.1212/WNL.0000000000005940
Anastasia Vishnevetsky
From the Neurogenetics Research Center (A.V., M. Illanes-Manrique, M. Inca-Martinez, K.M.-N., E.S.-C., P.M., M.C.-O.), Instituto Nacional de Ciencias Neurológicas, Lima, Peru; NIH Northern Pacific Fogarty Global Health Fellow (A.V., M. Illanes-Manrique, E.S.-C.), Bethesda, MD; Partners Neurology Residency (A.V.), Boston, MA; and School of Medicine (P.M.), Universidad Nacional Mayor de San Marcos, Lima, Peru.
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Maryenela Illanes-Manrique
From the Neurogenetics Research Center (A.V., M. Illanes-Manrique, M. Inca-Martinez, K.M.-N., E.S.-C., P.M., M.C.-O.), Instituto Nacional de Ciencias Neurológicas, Lima, Peru; NIH Northern Pacific Fogarty Global Health Fellow (A.V., M. Illanes-Manrique, E.S.-C.), Bethesda, MD; Partners Neurology Residency (A.V.), Boston, MA; and School of Medicine (P.M.), Universidad Nacional Mayor de San Marcos, Lima, Peru.
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Miguel Inca-Martinez
From the Neurogenetics Research Center (A.V., M. Illanes-Manrique, M. Inca-Martinez, K.M.-N., E.S.-C., P.M., M.C.-O.), Instituto Nacional de Ciencias Neurológicas, Lima, Peru; NIH Northern Pacific Fogarty Global Health Fellow (A.V., M. Illanes-Manrique, E.S.-C.), Bethesda, MD; Partners Neurology Residency (A.V.), Boston, MA; and School of Medicine (P.M.), Universidad Nacional Mayor de San Marcos, Lima, Peru.
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Karina Milla-Neyra
From the Neurogenetics Research Center (A.V., M. Illanes-Manrique, M. Inca-Martinez, K.M.-N., E.S.-C., P.M., M.C.-O.), Instituto Nacional de Ciencias Neurológicas, Lima, Peru; NIH Northern Pacific Fogarty Global Health Fellow (A.V., M. Illanes-Manrique, E.S.-C.), Bethesda, MD; Partners Neurology Residency (A.V.), Boston, MA; and School of Medicine (P.M.), Universidad Nacional Mayor de San Marcos, Lima, Peru.
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Elison Sarapura-Castro
From the Neurogenetics Research Center (A.V., M. Illanes-Manrique, M. Inca-Martinez, K.M.-N., E.S.-C., P.M., M.C.-O.), Instituto Nacional de Ciencias Neurológicas, Lima, Peru; NIH Northern Pacific Fogarty Global Health Fellow (A.V., M. Illanes-Manrique, E.S.-C.), Bethesda, MD; Partners Neurology Residency (A.V.), Boston, MA; and School of Medicine (P.M.), Universidad Nacional Mayor de San Marcos, Lima, Peru.
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Pilar Mazzetti
From the Neurogenetics Research Center (A.V., M. Illanes-Manrique, M. Inca-Martinez, K.M.-N., E.S.-C., P.M., M.C.-O.), Instituto Nacional de Ciencias Neurológicas, Lima, Peru; NIH Northern Pacific Fogarty Global Health Fellow (A.V., M. Illanes-Manrique, E.S.-C.), Bethesda, MD; Partners Neurology Residency (A.V.), Boston, MA; and School of Medicine (P.M.), Universidad Nacional Mayor de San Marcos, Lima, Peru.
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Mario Cornejo-Olivas
From the Neurogenetics Research Center (A.V., M. Illanes-Manrique, M. Inca-Martinez, K.M.-N., E.S.-C., P.M., M.C.-O.), Instituto Nacional de Ciencias Neurológicas, Lima, Peru; NIH Northern Pacific Fogarty Global Health Fellow (A.V., M. Illanes-Manrique, E.S.-C.), Bethesda, MD; Partners Neurology Residency (A.V.), Boston, MA; and School of Medicine (P.M.), Universidad Nacional Mayor de San Marcos, Lima, Peru.
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Neurology outreach clinic for Huntington disease in Peru
Lessons for neurodegenerative diseases
Anastasia Vishnevetsky, Maryenela Illanes-Manrique, Miguel Inca-Martinez, Karina Milla-Neyra, Elison Sarapura-Castro, Pilar Mazzetti, Mario Cornejo-Olivas
Neurology Aug 2018, 91 (6) 282-285; DOI: 10.1212/WNL.0000000000005940

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With increasing life expectancies worldwide, providing longitudinal care for patients with neurodegenerative diseases in low-resource settings is a growing challenge.1 According to the 2015 Global Burden of Disease Study, Alzheimer disease, other dementias, and Parkinson disease together affect more than 50 million people globally.2 Furthermore, the WHO estimates that at least 60% of these cases occur in low and middle-income countries.1 Although currently available treatments for neurodegenerative diseases are largely supportive rather than curative, they can reduce morbidity and burden of disease.1 As more effective medications become available and the prevalence of neurodegenerative disease increases, the need for skilled care providers will also increase.

Outreach clinics, which deliver specialty-level care to geographically remote areas, have been used for vaccination campaigns, HIV control, and obstetrics, as well as neurologic conditions like epilepsy and stroke. However, these clinics have not been used for the management of neurodegenerative diseases, which occur worldwide but at higher rates in populations bearing specific genetic risks. For example, Huntington disease (HD), a fatal hereditary neurodegenerative disease, is particularly prevalent around Lake Maracaibo in Venezuela and in the Cañete Valley of Peru.3 In this report, we present our experience with an outreach clinic focused on HD in Peru, with lessons that may be broadly applicable to neurodegenerative disease care in rural, low-resource settings.

The outreach neurology clinic program

The Neurogenetics Research Center (NRC) of the Instituto Nacional de Ciencias Neurológicas (INCN) developed an outreach clinic for the rural Cañete valley, where HD prevalence is 4-fold greater than the global rate.3 Cañete valley is only a 3-hour drive from the capital city of Lima; however, it has limited available medications, basic health infrastructure, and a single neurologist for more than 100,000 people. Many local patients with HD are unable to access care in Lima due to the expense of travel and mobility limitations, which worsen with disease progression. Notwithstanding the lack of medical personnel in Cañete, Peru is an upper-middle-income country and has multiple existing neurology residencies that make it possible to staff an outreach clinic.

The initial approach to the Cañete HD community was informed by an earlier incident that compromised trust in outsiders coming to focus on HD. In 2005, journalists, accompanied by some doctors and researchers, came to Cañete to interview and document the experience of HD families. Patients and their families, including children, were photographed without obtaining appropriate consent or informing the families what would be done with the photographs and information. The resulting journalistic piece was a sensationalistic and stigmatizing piece called “The Curse of Cañete,”4 which described how whole families are affected by HD, how it occurs at a high prevalence in people from Cañete (implying that contact with people from the area could bring about the curse), and quoted a doctor saying that these people should have never married. It also used original patient and family member names and displayed unflattering photographs. The piece ran in Cañete as well as Lima, and many of the HD patients and families felt betrayed by the journalists as well as the researchers, doctors, and community agents that had facilitated the journalists' access. This history led the NRC team to prioritize community buy-in and engage a local community agent for outreach, institute strict consent processes for genetic testing as well as any research protocols, limit photography, and be more judicious in bringing outside visitors to the outreach clinics.

The outreach clinic consists of 2-day visits to Cañete every 3 months, which have been conducted since 2014 by a multidisciplinary group of health care providers (neurologists, psychiatrists, geneticists, residents, students, and support personnel) traveling from Lima. They divide into 2 teams, with one attending to patients at a local community health center, and the other conducting house visits for homebound patients throughout the region (figure). During the trips, the outreach clinic staff provides neurologic and psychiatric consultations and follow-up visits, distributes medication brought from Lima, takes samples for genetic testing, and provides counseling and family support. Patients (or occasionally their family members) come back to each outreach clinic for medication refills and follow-up, and there are some new patients, as well as some deaths and losses to follow-up. Clinic personnel conduct HD-related training for caregivers and local health care providers and recruit participants for ongoing research. Although the clinic focuses on HD, about half of the patients have other neurodegenerative conditions such as Parkinson disease, ataxia, or dementia (figure).

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Figure Clinic resources, structure, and services

*Medications typically include antipsychotics (risperidone, olanzapine, haloperidol), selective serotonin reuptake inhibitors (citalopram, sertraline), benzodiazepines (clonazepam), carbidopa-levodopa, valproate, topiramate, and others. **Parkinsonism, dementia, ataxias, headache, epilepsy, neurodevelopmental disorders. HD = Huntington disease.

This program is financially supported by local public–private collaboration. The public component is funded through resources provided by the INCN (van transportation, laboratory supplies, excused hours for contracted members of the NRC team), the Cañete regional health system (meals and lodging), and the government health insurance, Seguro Integral de Salud (SIS) (provides medicines for almost half of the patients). The private component consists of medication donations from local pharmaceutical dispensaries for patients who do not have SIS, as well as volunteer time and funds from the NRC team (other meals, office supplies). Official summaries of the clinic activities, services, and finances are generated for the regional government within a few weeks of each clinic's completion. The data in the figure were generated from 7 summary reports for the 18-month period from March 2015 to October 2016.

Lessons from the outreach clinic experience

The outreach clinic provides many lessons that may be applicable for similar chronic conditions:

  1. Neurodegenerative disease care requires consistent follow-up (table, excerpt 1). Many neurologic drugs require titration, close monitoring for potentially dangerous side effects, and tapering before discontinuation. Individual physicians have come to the Cañete region in the past and sporadically treated patients with HD with harmful results: for example, free samples of expensive medications were distributed, but when the supply ran out, families would go to desperate measures, even selling their farms to temporarily obtain the drug.

  2. Home visits are a vital part of outreach clinics for neurodegenerative disease (table, excerpt 2). With home visits, we have sometimes arrived to find patients with advanced disease abandoned in unsanitary conditions, bathrooms up a steep staircase, or family unclear on when medications were administered. We have been able to assess a patient's daily life, make environmental adjustments, facilitate alternate caregiving arrangements, or mediate conflicts in a way that would not be possible outside the home.

  3. Importance of local social worker or community health worker for outreach (table, excerpt 3). The local social worker has contact information for all families, informs them of upcoming outreach clinics, directs the drivers to patient homes in areas without addresses and cell service, and contacts the specialists in Lima between clinics in case of any acute complications. She has known the HD families for over a decade, and her constant presence in Cañete between visits facilitates trust and streamlined clinic coordination.

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Table

Huntington disease (HD) patient vignettes and caregivers' perspective on outreach clinic

Challenges and opportunities for the future

  1. Defining measurable outcomes for evaluating the efficacy of an intervention in neurodegenerative disease care. Despite the documented qualitative effect of the program on patients and caregivers (table, excerpt 4), the phenotypic heterogeneity of neurodegenerative conditions makes it difficult to establish precise and objective outcome measures for the program. In HD, for example, clinical improvement due to proper management can manifest in a myriad of ways that are hard to quantify: extra years of employment, fewer falls, control of behavioral disturbances, or decreased caregiver burden. HD-specific health-related quality of life questionnaires are currently being validated in the Peruvian population and hold promise for future outcome evaluations.

  2. Developing local health capacity for neurodegenerative disease care and expanding interdisciplinary involvement. We have been holding regular trainings and lectures with local health care providers, but it has not yet been feasible for them to make medical decisions regarding HD care. In addition, although we have genetics, psychiatry, neurology, nursing, and social work on our team, we have yet to involve nutritionists, geriatricians, or physical therapists in the outreach clinic.

  3. Obtaining sustainable funding. The public–private outreach clinic funding model allows for integration into the existing Peruvian health system and provision of care for the poorest patients (table, excerpt 5). However, significant bureaucracy and personnel changes in government sometimes generate unpredictability in funding. International funding and more extensive collaboration with local nongovernmental organizations would provide more stability and allow the clinics to grow.

Although HD and other neurodegenerative diseases are not typically considered a priority in low-resource settings, their effect on patients, families, and the surrounding community can be devastating. The strategies used in this Peruvian neurology outreach clinic model can be replicated to provide much-needed specialty care for patients with neurodegenerative disorders in low-resource and remote settings throughout the globe.

Author contributions

Anastasia Vishnevetsky: study concept and design, analysis and interpretation of data, critical revision of manuscript for intellectual content. Maryenela Illanes Manrique: acquisition of data, critical revision of manuscript for intellectual content. Miguel Inca-Martinez, acquisition of data, critical revision of manuscript for intellectual content. Karina Milla-Neyra: acquisition of data, critical revision of manuscript for intellectual content. Elison Sarapura-Castro: analysis and interpretation of data, critical revision of manuscript for intellectual content. Pilar Mazzetti-Soler: study supervision, critical revision of manuscript for intellectual content. Mario Cornejo-Olivas: study concept and design, critical revision of manuscript for intellectual content.

Study funding

Research training for A.V., M. Illanes-Manrique, and E.S.-C. was supported by NIH Research Training grant #R25 TW009345 funded by the Fogarty International Center, the NIH Office of the Director, Office of AIDS Research, the NIH Office of the Director Office of Research on Women's Health, the National Heart, Lung, and Blood Institute, the National Institute of Mental Health, and the National Institute of General Medical Sciences.

Disclosure

The authors report no disclosures relevant to the manuscript. Go to Neurology.org/N for full disclosures.

Acknowledgment

The authors thank Ana Mascaro and Carmen Vicente for their work for the outreach clinics at the Centro de Salud “Nuevo Imperial” Cañete; Victoria Marca and Olimpio Ortega for assistance with the administration and laboratory functioning of the clinics and all the neurology residents who have made the clinic possible; and Claudia Gambrah-Sampaney, Dr. Thomas Bird, Dr. Joseph Zunt, Dr. Farrah Mateen, Dr. Neha Limaye, and Danielle Rabinowitz for critical review and comments on the manuscript.

Footnotes

  • Go to Neurology.org/N for full disclosures. Funding information and disclosures deemed relevant by the authors, if any, are provided at the end of the article.

  • © 2018 American Academy of Neurology

References

  1. 1.↵
    World Health Organization. First WHO ministerial conference on global action against dementia: meeting report, 16–17 March, 2015; Geneva: WHO; 2015.
  2. 2.↵
    GBD 2015 Neurological Disorders Collaborator Group. Global, regional, and national burden of neurological disorders during 1990–2015: a systematic analysis for the global burden of disease study 2015. Lancet Neurol 2017;16:877–897.
    OpenUrl
  3. 3.↵
    1. Cornejo-Olivas M,
    2. Espinoza-Huertas K,
    3. Velit-Salazar MR, et al
    . Neurogenetics in Peru: clinical, scientific and ethical perspectives. J Community Genet 2015;6:251–257.
    OpenUrl
  4. 4.↵
    1. Loayza J
    . La maldicion de cañete. La Republica 2005;43.
  5. 5.
    1. Vishnevetsky A,
    2. Illanes-Manrique M,
    3. Inca-Martinez M,
    4. Cornejo-Olivas M
    . Myths and misconceptions regarding Huntington's disease in Peru. Mov Disord 2017;32(suppl 2).

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