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Neurology

Building Your Care Team: Specialists and Preparation

At a Glance

Because Kearns-Sayre Syndrome (KSS) affects multiple body systems, patients require a multidisciplinary care team. A neurologist or clinical geneticist typically coordinates care alongside a cardiac electrophysiologist, neuro-ophthalmologist, and endocrinologist to manage the complex symptoms.

Kearns-Sayre Syndrome (KSS) is too complex for any single doctor to manage alone. Because it can affect the heart, brain, eyes, and hormone systems simultaneously, you will need a multidisciplinary care team [1][2].

Think of your care team as an orchestra; while there are many different instruments (specialists), you need a conductor (a lead specialist) to ensure everyone is playing from the same sheet of music [3][4].

Your Core Care Team

Most patients with KSS should be followed by a core group of specialists who understand the unique demands of mitochondrial disease:

  • Neurologist or Clinical Geneticist: This doctor often serves as the “quarterback” or lead coordinator. They should have specific expertise in mitochondrial medicine and will manage the overall progression of the disease [5][6].
  • Cardiac Electrophysiologist (EP): This is a cardiologist who specializes in the heart’s electrical system. They are the most critical team member for preventing sudden heart block [7][8].
  • Neuro-ophthalmologist: A specialist who understands how the brain and eyes work together. They will monitor your pigmentary retinopathy and manage eye muscle weakness (CPEO) [9][10].
  • Endocrinologist: This specialist monitors the glands that produce hormones, watching for signs of diabetes, thyroid issues, or calcium regulation problems (hypoparathyroidism) [11][12].
  • Genetic Counselor: While KSS is usually sporadic, families often have immense anxiety about inheritance. A counselor is crucial for providing accurate recurrence risks, especially for female patients [13].

Evaluating a Specialist’s Expertise

Because KSS is so rare, you may encounter doctors who have never treated it before. You can evaluate a potential doctor’s expertise by asking targeted questions:

  1. “How many patients with single large-scale mtDNA deletions have you cared for?” [14].
  2. “Are you comfortable collaborating with my other specialists to coordinate my care?” [3].
  3. “What is your experience with the specific risks KSS poses in your field (e.g., heart block in cardiology or retinal atrophy in ophthalmology)?” [7][10].

Preparing for Your First Visit

Mitochondrial clinics often require a significant amount of “hard data” to provide an accurate assessment. Compile a folder (physical or digital) that includes:

Essential Genetic Records

  • The full laboratory report from your genetic testing (not just a summary letter). This should detail the size and location of the mitochondrial DNA deletion [15][16].
  • If a muscle biopsy was performed, include the pathology report that mentions “ragged red fibers” or other mitochondrial changes [17].

Cardiac and Neurological Data

  • Copies of recent EKG strips and Holter monitor reports [7][18].
  • A disk containing your most recent brain MRI images (not just the written report) [19][20].

Baseline Lab Results

  • Recent blood tests for glucose, calcium, and thyroid-stimulating hormone (TSH) [11][21].
  • Results for mitochondrial biomarkers like GDF-15 or FGF-21 if they have been tested [22][23].

Bringing these documents to your first appointment saves time and ensures your new care team has the information they need to protect your health from day one [6][24].

Common questions in this guide

What doctors do I need to see for Kearns-Sayre Syndrome?
Because KSS affects multiple body systems, you need a multidisciplinary team. A neurologist or clinical geneticist typically leads a team that includes a cardiac electrophysiologist, neuro-ophthalmologist, and endocrinologist.
What information should I bring to my first mitochondrial clinic visit?
Bring your full genetic testing lab report, muscle biopsy pathology reports, recent EKG and Holter monitor results, brain MRI disks, and baseline metabolic blood tests. Having this hard data readily available helps your team assess your health accurately from day one.
Why does a KSS patient need to see a cardiac electrophysiologist?
KSS carries a high risk of sudden heart block due to issues in the heart's electrical system. A cardiac electrophysiologist specializes in monitoring and treating these specific electrical problems to prevent life-threatening complications.
How can I tell if a specialist is qualified to treat KSS?
Ask the doctor how many patients with single large-scale mtDNA deletions they have personally managed. You should also ensure they are comfortable collaborating with your other doctors, as coordinated care is crucial for this complex condition.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.How many other patients with mitochondrial DNA deletion syndromes, like KSS or Pearson syndrome, have you personally managed?
  2. 2.Are you familiar with the clinical care consensus guidelines published by the Mitochondrial Medicine Society (MMS)?
  3. 3.If my case becomes more complex, do you have a relationship with a regional 'Mitochondrial Center of Excellence' for consultation?
  4. 4.Who on my team will act as the 'quarterback' to coordinate communication between the cardiologist, endocrinologist, and other specialists?
  5. 5.What is your protocol for managing anesthesia or metabolic stress (like a high fever) in a patient with mitochondrial disease?

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References

References (24)
  1. 1

    Mitochondrial diseases in adults.

    La Morgia C, Maresca A, Caporali L, et al.

    Journal of internal medicine 2020; (287(6)):592-608 doi:10.1111/joim.13064.

    PMID: 32463135
  2. 2

    Use of whole genome sequencing to determine genetic basis of suspected mitochondrial disorders: cohort study.

    Schon KR, Horvath R, Wei W, et al.

    BMJ (Clinical research ed.) 2021; (375()):e066288 doi:10.1136/bmj-2021-066288.

    PMID: 34732400
  3. 3

    Patient care standards for primary mitochondrial disease: a consensus statement from the Mitochondrial Medicine Society.

    Parikh S, Goldstein A, Karaa A, et al.

    Genetics in medicine : official journal of the American College of Medical Genetics 2017; (19(12)) doi:10.1038/gim.2017.107.

    PMID: 28749475
  4. 4

    Diagnostic odyssey of patients with mitochondrial disease: Results of a survey.

    Grier J, Hirano M, Karaa A, et al.

    Neurology. Genetics 2018; (4(2)):e230 doi:10.1212/NXG.0000000000000230.

    PMID: 29600276
  5. 5

    Should Patients with Kearns-Sayre Syndrome and Corneal Endothelial Failure Be Genotyped for a TCF4 Trinucleotide Repeat, Commonly Associated with Fuchs Endothelial Corneal Dystrophy?

    Dudakova L, Skalicka P, Davidson AE, et al.

    Genes 2021; (12(12)) doi:10.3390/genes12121918.

    PMID: 34946867
  6. 6

    Diagnosis, management, and follow-up of mitochondrial disorders in childhood: a personalized medicine in the new era of genome sequence.

    Paiva Coelho M, Martins E, Vilarinho L

    European journal of pediatrics 2019; (178(1)):21-32 doi:10.1007/s00431-018-3292-x.

    PMID: 30535772
  7. 7

    Prophylactic pacemaker placement at first signs of conduction disease in Kearns-Sayre syndrome.

    Trivedi M, Goldstein A, Arora G

    Cardiology in the young 2018; (28(12)):1487-1488 doi:10.1017/S1047951118001609.

    PMID: 30326976
  8. 8

    The necessity of implantable cardioverter defibrillators in patients with Kearns-Sayre syndrome - systematic review of the articles.

    Imamura T, Sumitomo N, Muraji S, et al.

    International journal of cardiology 2019; (279()):105-111 doi:10.1016/j.ijcard.2018.12.064.

    PMID: 30642644
  9. 9

    Teaching NeuroImages: Kearns-Sayre syndrome.

    Nguyen MTB, Micieli J, Margolin E

    Neurology 2019; (92(5)):e519-e520 doi:10.1212/WNL.0000000000006861.

    PMID: 30635486
  10. 10

    Macular findings in Spectral Domain Optical Coherence Tomography and OCT Angiography in a patient with Kearns-Sayre syndrome.

    Ortiz A, Arias J, Cárdenas P, et al.

    International journal of retina and vitreous 2017; (3()):24 doi:10.1186/s40942-017-0077-8.

    PMID: 28702261
  11. 11

    Fatal pneumonia in a patient with Kearns-Sayre syndrome case report and literature review.

    Zhang J, Song Z, Zhou H, et al.

    Frontiers in medicine 2025; (12()):1575384 doi:10.3389/fmed.2025.1575384.

    PMID: 40823579
  12. 12

    Nutritional issues in a diabetic patient with Kearns-Sayre syndrome.

    Szwilling A, Dzygalo K, Nowaczyk J

    Endocrinology, diabetes & metabolism case reports 2020; (2020()).

    PMID: 33434157
  13. 13

    Ophthalmoplegia in Mitochondrial Disease.

    Lee SJ, Na JH, Han J, Lee YM

    Yonsei medical journal 2018; (59(10)):1190-1196 doi:10.3349/ymj.2018.59.10.1190.

    PMID: 30450853
  14. 14

    Kearns-Sayre syndrome: Two case reports and a review for the primary care physician.

    Richmond C, Powell L, Brittingham ZD, Mancuso A

    Journal of family medicine and primary care 2023; (12(4)):792-795 doi:10.4103/jfmpc.jfmpc_1790_22.

    PMID: 37312792
  15. 15

    Whole Mitochondrial Genome Analysis in Turkish Patients with Mitochondrial Diseases

    Gencer Öncül EB, Duman D, Eminoğlu FT, et al.

    Balkan medical journal 2022; (39(2)):96-106 doi:10.5152/balkanmedj.2021.21141.

    PMID: 34928236
  16. 16

    Use of Next-Generation Sequencing for Identifying Mitochondrial Disorders.

    Mahmud S, Biswas S, Afrose S, et al.

    Current issues in molecular biology 2022; (44(3)):1127-1148 doi:10.3390/cimb44030074.

    PMID: 35723297
  17. 17

    Management of Ptosis in Kearns-Sayre Syndrome: A Case Report and Literature Review.

    Moustaine MO, Azemour Z, Mohammed F, et al.

    Archives of plastic surgery 2024; (51(2)):182-186 doi:10.1055/a-2207-7587.

    PMID: 38596148
  18. 18

    Progressive involvement of cardiac conduction system in paediatric patients with Kearns-Sayre syndrome: how to predict occurrence of complete heart block and sudden cardiac death?

    Di Mambro C, Tamborrino PP, Silvetti MS, et al.

    Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology 2021; (23(6)):948-957 doi:10.1093/europace/euaa335.

    PMID: 33336258
  19. 19

    Kearns-Sayre syndrome: expanding spectrum of a "novel" mitochondrial leukomyeloencephalopathy.

    Moscatelli M, Ardissone A, Lamantea E, et al.

    Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology 2022; (43(3)):2081-2084 doi:10.1007/s10072-022-05881-8.

    PMID: 35031921
  20. 20

    Kearns-Sayre syndrome with restricted diffusion in subcortical white matter and extraocular muscle atrophy.

    Matsukawa M, Maeda M, Tanaka F, et al.

    Radiology case reports 2025; (20(6)):2646-2650 doi:10.1016/j.radcr.2025.02.088.

    PMID: 40151283
  21. 21

    A case of hypopituitarism accompanying Kearns-Sayre syndrome treated with human chorionic gonadotropin: A case report and literature review.

    Kang YX, Wang YJ, Zhang Q, et al.

    Andrologia 2017; (49(8)) doi:10.1111/and.12711.

    PMID: 27709644
  22. 22

    Serum biomarkers in primary mitochondrial disorders.

    Varhaug KN, Hikmat O, Nakkestad HL, et al.

    Brain communications 2021; (3(1)):fcaa222 doi:10.1093/braincomms/fcaa222.

    PMID: 33501425
  23. 23

    Growth and differentiation factor 15 as a biomarker for mitochondrial myopathy.

    Poulsen NS, Madsen KL, Hornsyld TM, et al.

    Mitochondrion 2020; (50()):35-41 doi:10.1016/j.mito.2019.10.005.

    PMID: 31669236
  24. 24

    Understanding the impact of pediatric single large-scale mtDNA deletion syndromes on caregivers: Burdens and challenges.

    Chappell M, Parikh S, Reynolds E

    JIMD reports 2023; (64(5)):375-386 doi:10.1002/jmd2.12385.

    PMID: 37701326

This guide on building a Kearns-Sayre Syndrome care team is for informational purposes only. Always consult your primary physician or geneticist to determine the exact specialists required for your specific medical needs.

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