Naschitz, Jochanan E, Rozenbaum, Michael, Fields, Madeline et al. · Clinical science (London, England : 1979) · 2005 · DOI
Researchers developed new methods to detect specific patterns in how the body's heart rate and blood pressure respond to physical stress (tilting upright) in people with familial Mediterranean fever (FMF). They found that people with FMF show distinctive cardiovascular responses that can be measured and used to help identify the condition. The study shows this approach might also work for other diseases, including ME/CFS.
This study is important because it develops a replicable methodology for identifying disease-specific cardiovascular response patterns. Since the authors mention that similar patterns have been observed in ME/CFS, this methodological framework could be adapted to create objective diagnostic tests for ME/CFS, addressing a major clinical need for biomarkers in a condition where diagnosis currently relies on clinical symptoms.
This study does not prove that the detected CVR patterns in FMF are specific to FMF alone—they could appear in other conditions. The study primarily establishes methodology rather than clinical utility. Additionally, finding disease-specific CVR patterns does not establish whether these patterns are primary drivers of disease or secondary consequences of the underlying condition.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Naschitz, Jochanan E, Rozenbaum, Michael, Fields, Madeline, Isseroff, Hillel, Enis, Sean, Babich, Jay P, et al. (2005). Search for disease-specific cardiovascular reactivity patterns: developing the methodology.. Clinical science (London, England : 1979). https://doi.org/10.1042/CS20040092
BibTeX
@article{mecfsatlas-naschitz-2005-search-disease,
author = {Naschitz, Jochanan E and Rozenbaum, Michael and Fields, Madeline and Isseroff, Hillel and Enis, Sean and Babich, Jay P and Peck, Shannon and Peck, Elisabeth Rubin and Gaitini, Louis and Naschitz, Shaul and Sabo, Edmond and Rosner, Itzhak},
title = {Search for disease-specific cardiovascular reactivity patterns: developing the methodology.},
journal = {Clinical science (London, England : 1979)},
year = {2005},
doi = {10.1042/CS20040092},
note = {PubMed: 15330754},
url = {https://www.mecfsatlas.com/evidence/naschitz-2005-search-disease},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-28. https://www.mecfsatlas.com/evidence/naschitz-2005-search-disease
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