Orthostatic intolerance: Difference between revisions

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== Prevalence ==
== Prevalence ==
Orthostatic intolerance is a common dysfunction in [[ME/CFS]].<ref>{{Cite news | url=http://solvecfs.org/guest-blog-dr-peter-rowe-is-the-physical-examination-normal-in-cfs-part-1/| title = Guest Blog: Dr. Peter Rowe – Is The Physical Examination Normal in CFS? Part 1 - Solve ME/CFS Initiative | last = Rowe | first = Peter | date = 2014-09-05|work=Solve ME/CFS Initiative|access-date=2018-08-27|archive-url=|archive-date=|url-status=|language=en-US}}</ref><ref>{{Cite web|url=https://ammes.org/overlapping-conditions/| title = Overlapping Conditions|website= [[American ME and CFS Society]]|language=en-US|access-date=2018-08-12}}</ref> Estimates of the rate of orthostatic intolerance in [[chronic fatigue syndrome]] and [[myalgic encephalomyelitis]] patients vary widely, with estimates as low as 50% to as high as 97% of patients.<ref name="Miwa2015" />
Orthostatic intolerance is a common dysfunction in [[ME/CFS]].<ref>{{Cite news | url=http://solvecfs.org/guest-blog-dr-peter-rowe-is-the-physical-examination-normal-in-cfs-part-1/| title = Guest Blog: Dr. Peter Rowe – Is The Physical Examination Normal in CFS? Part 1 - Solve ME/CFS Initiative | last = Rowe | first = Peter | date = 2014-09-05|work=Solve ME/CFS Initiative|access-date=2018-08-27|archive-url=|archive-date=|url-status=|language=en-US}}</ref><ref>{{Cite web|url=https://ammes.org/overlapping-conditions/| title = Overlapping Conditions | website = [[American ME and CFS Society]]|language=en-US|access-date=2018-08-12}}</ref> Estimates of the rate of orthostatic intolerance in [[chronic fatigue syndrome]] and [[myalgic encephalomyelitis]] patients vary widely, with estimates as low as 50% to as high as 97% of patients.<ref name="Miwa2015" />


Orthostatic intolerance is also commonly associated with [[fibromyalgia]].<ref>{{Cite web|url=http://drlapp.com/wp-content/uploads/TTT_symptoms.pdf| title = Symptoms Predict the Outcome of Tilt Table Testing in CFS/ME/FM | last = Lapp | first = Charles | last2 = Black | first2 = Laura | date = |website=drlapp.com|archive-url=|archive-date=|url-status=|access-date=|last3 = Smith | first3 = Rebekah S.}}</ref>
Orthostatic intolerance is also commonly associated with [[fibromyalgia]].<ref>{{Cite web|url=http://drlapp.com/wp-content/uploads/TTT_symptoms.pdf| title = Symptoms Predict the Outcome of Tilt Table Testing in CFS/ME/FM | last = Lapp | first = Charles | last2 = Black | first2 = Laura | date = |website=drlapp.com|archive-url=|archive-date=|url-status=|access-date= | last3 = Smith | first3 = Rebekah S.}}</ref>


==Testing==
==Testing==
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==Symptom recognition==
==Symptom recognition==
Orthostatic intolerance (OI) is an optional symptom for diagnosis in [[Systemic Exertion Intolerance Disease]] (SEID), the [[Canadian Consensus Criteria]] (CCC) which diagnoses ME/CFS and the [[International Consensus Criteria]] (ICC)<ref name="ICC2011primer" /> which can be used to diagnose Myalgic encephalomyelitis (ME).<ref name="SEID2015">{{Citation | last = Institute of Medicine | author-link=Institute of Medicine| title = Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Redefining an Illness|location=Washington, DC|publisher=The National Academies Press | date = 2015 | url=https://www.ncbi.nlm.nih.gov/books/NBK284902/}}</ref><ref name="canadianconsensus-CCC">{{Citation | last1   = Carruthers | first1 = Bruce M. | authorlink1 = Bruce Carruthers | last2 = Jain | first2 = Anil Kumar  | authorlink2 = Anil Kumar Jain | last3 = De Meirleir | first3 = Kenny L. | authorlink3 = Kenny De Meirleir | last4 = Peterson | first4 = Daniel L.   | authorlink4 = Daniel Peterson | last5 = Klimas | first5 = Nancy G. | authorlink5 = Nancy Klimas | last6 = Lerner | first6 = A. Martin   | authorlink6 = Martin Lerner | last7 = Bested | first7 = Alison C.   | authorlink7 = Alison Bested | last8 = Flor-Henry | first8 = Pierre | authorlink8 = Pierre Flor-Henry | last9 =Joshi | first9 = Pradip   | authorlink9 = Pradip Joshi | last10 = Powles | first10 = AC Peter | authorlink10 = AC Peter Powles | last11 = Sherkey | first11 = Jeffrey A.   | authorlink11 = Jeffrey Sherkey | last12 = van de Sande | first12 = Marjorie I.  | authorlink12 = Marjorie van de Sande | title = Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Clinical Working Case Definition, Diagnostic and Treatment Protocols | journal = Journal of Chronic Fatigue Syndrome | volume = 11 | issue = 2 | page = 7-115 | date = 2003 | pmid = | doi = 10.1300/J092v11n01_02
Orthostatic intolerance (OI) is an optional symptom for diagnosis in [[Systemic Exertion Intolerance Disease]] (SEID), the [[Canadian Consensus Criteria]] (CCC) which diagnoses ME/CFS and the [[International Consensus Criteria]] (ICC)<ref name="ICC2011primer" /> which can be used to diagnose Myalgic encephalomyelitis (ME).<ref name="SEID2015">{{Citation | last = Institute of Medicine | authorlink = Institute of Medicine| title = Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Redefining an Illness|location=Washington, DC|publisher=The National Academies Press | date = 2015 | url=https://www.ncbi.nlm.nih.gov/books/NBK284902/}}</ref><ref name="canadianconsensus-CCC">{{Citation | last1 = Carruthers | first1 = Bruce M. | authorlink1 = Bruce Carruthers | last2 = Jain | first2 = Anil Kumar  | authorlink2 = Anil Kumar Jain | last3 = De Meirleir | first3 = Kenny L. | authorlink3 = Kenny De Meirleir | last4 = Peterson | first4 = Daniel L. | authorlink4 = Daniel Peterson | last5 = Klimas | first5 = Nancy G. | authorlink5 = Nancy Klimas | last6 = Lerner | first6 = A. Martin | authorlink6 = Martin Lerner | last7 = Bested | first7 = Alison C. | authorlink7 = Alison Bested | last8 = Flor-Henry | first8 = Pierre | authorlink8 = Pierre Flor-Henry | last9 =Joshi | first9 = Pradip | authorlink9 = Pradip Joshi | last10 = Powles | first10 = AC Peter | authorlink10 = A C Peter Powles | last11 = Sherkey | first11 = Jeffrey A. | authorlink11 = Jeffrey Sherkey | last12 = van de Sande | first12 = Marjorie I.  | authorlink12 = Marjorie van de Sande | title = Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Clinical Working Case Definition, Diagnostic and Treatment Protocols | journal = Journal of Chronic Fatigue Syndrome | volume = 11 | issue = 2 | pages = 7-115 | date = 2003 | pmid = | doi = 10.1300/J092v11n01_02
| url = http://www.investinme.org/Documents/PDFdocuments/CanadianDefinitionME-CFS.pdf }}</ref><ref name="ICC2011primer">{{citation | last1 = Carruthers | first1 = BM | authorlink1 = Bruce Carruthers | last2 = van de Sande | first2 = MI | authorlink2 = Marjorie van de Sande | last3 = De Meirleir | first3 = KL | authorlink3 = Kenny de Meirleir | last4 = Klimas | first4 = NG | authorlink4 = Nancy Klimas | last5 = Broderick | first5 = G | authorlink5 = Gordon Broderick | last6 = Mitchell | first6 = T | authorlink6 = Terry Mitchell | last7 = Staines | first7 = D | authorlink7 = Donald Staines | last8 = Powles | first8 = ACP | authorlink8 = AC Peter Powles | last9 = Speight | first9 = N | authorlink9 = Nigel Speight | last10 = Vallings | first10 = R | authorlink10 = Rosamund Vallings | last11 = Bateman | first11 =  L | authorlink11 = Lucinda Bateman | last12 = Bell | first12 = DS | authorlink12 = David Bell | last13 = Carlo-Stella | first13 =  N | authorlink13= Nicoletta Carlo-Stella | last14 = Chia | first14 =  J | authorlink14= John Chia | last15 = Darragh | first15 =  A | authorlink15= Austin Darragh | last16 = Gerken | first16 =  A | authorlink16= Anne Gerken | last17 = Jo | first17 =  D | authorlink17= Daehyun Jo | last18 = Lewis | first18 =  DP | authorlink18= Donald Lewis | last19 = Light | first19 = AR | authorlink19= Alan Light | last20 = Light | first20 =  KC | authorlink20= Kathleen Light | last21 = Marshall-Gradisnik | first21 =  S | authorlink21= Sonya Marshall-Gradisnik | last22 = McLaren-Howard | first22 =  J | authorlink22= John McLaren-Howard | last23 = Mena | first23 =  I | authorlink23= Ismael Mena | last24 = Miwa | first24 =  K | authorlink24= Kunihisa Miwa | last25 = Murovska | first25 =  M | authorlink25= Modra Murovska | last26 = Stevens | first26 =  SR | authorlink26= Staci Stevens | title = Myalgic encephalomyelitis: Adult & Paediatric: International Consensus Primer for Medical Practitioners | date = 2012
| url = http://www.investinme.org/Documents/PDFdocuments/CanadianDefinitionME-CFS.pdf }}</ref><ref name="ICC2011primer">{{citation | last1 = Carruthers | first1 = BM | authorlink1 = Bruce Carruthers | last2 = van de Sande | first2 = MI | authorlink2 = Marjorie van de Sande | last3 = De Meirleir | first3 = KL | authorlink3 = Kenny de Meirleir | last4 = Klimas | first4 = NG | authorlink4 = Nancy Klimas | last5 = Broderick | first5 = G | authorlink5 = Gordon Broderick | last6 = Mitchell | first6 = T | authorlink6 = Terry Mitchell | last7 = Staines | first7 = D | authorlink7 = Donald Staines | last8 = Powles | first8 = ACP | authorlink8 = A C Peter Powles | last9 = Speight | first9 = N | authorlink9 = Nigel Speight | last10 = Vallings | first10 = R | authorlink10 = Rosamund Vallings | last11 = Bateman | first11 =  L | authorlink11 = Lucinda Bateman | last12 = Bell | first12 = DS | authorlink12 = David Bell | last13 = Carlo-Stella | first13 =  N | authorlink13 = Nicoletta Carlo-Stella | last14 = Chia | first14 =  J | authorlink14= John Chia | last15 = Darragh | first15 =  A | authorlink15 = Austin Darragh | last16 = Gerken | first16 =  A | authorlink16 = Anne Gerken | last17 = Jo | first17 =  D | authorlink17 = Daehyun Jo | last18 = Lewis | first18 =  DP | authorlink18 = Donald Lewis | last19 = Light | first19 = AR | authorlink19 = Alan Light | last20 = Light | first20 =  KC | authorlink20 = Kathleen Light | last21 = Marshall-Gradisnik | first21 =  S | authorlink21 = Sonya Marshall-Gradisnik | last22 = McLaren-Howard | first22 =  J | authorlink22 = John McLaren-Howard | last23 = Mena | first23 =  I | authorlink23 = Ismael Mena | last24 = Miwa | first24 =  K | authorlink24 = Kunihisa Miwa | last25 = Murovska | first25 =  M | authorlink25= Modra Murovska | last26 = Stevens | first26 =  SR | authorlink26 = Staci Stevens | title = Myalgic encephalomyelitis: Adult & Paediatric: International Consensus Primer for Medical Practitioners | date = 2012
| isbn = 978-0-9739335-3-6 | url = http://www.investinme.org/Documents/Guidelines/Myalgic%20Encephalomyelitis%20International%20Consensus%20Primer%20-2012-11-26.pdf }}</ref> In the [[London criteria]] which diagnoses ME, OI is mentioned under the criteria of ''periods of impaired circulation compatible with autonomic dysfunction''.<ref name="Londoncriteria2013">{{Citation | url =http://www.axfordsabode.org.uk/me/mecrit2014.htm|archive-url=http://web.archive.org/web/20150923181011/http://www.axfordsabode.org.uk/me/mecrit2014.htm|archive-date=2015-09-23|url-status=dead| title = Myalgic Encephalomyelitis (ME). Criteria and clinical guidelines. 2014 | date = Oct 15, 2014 | last = Howes | first = Sandra | author-link=Sandra Howes | last2 = Goudsmit | first2=Ellen M.|author2-link=Ellen Goudsmit|last3 = Shepherd | first3=Charles|author3-link=Charles Shepherd}}</ref>
| isbn = 978-0-9739335-3-6 | url = http://www.investinme.org/Documents/Guidelines/Myalgic%20Encephalomyelitis%20International%20Consensus%20Primer%20-2012-11-26.pdf }}</ref> In the [[London criteria]] which diagnoses ME, OI is mentioned under the criteria of ''periods of impaired circulation compatible with autonomic dysfunction''.<ref name="Londoncriteria2013">{{Citation | url =http://www.axfordsabode.org.uk/me/mecrit2014.htm|archive-url=http://web.archive.org/web/20150923181011/http://www.axfordsabode.org.uk/me/mecrit2014.htm|archive-date=2015-09-23|url-status=dead| title = Myalgic Encephalomyelitis (ME). Criteria and clinical guidelines. 2014 | date = Oct 15, 2014 | last = Howes | first = Sandra | authorlink = Sandra Howes | last2 = Goudsmit | first2 = Ellen M.|author2-link=Ellen Goudsmit | last3 = Shepherd | first3 = Charles | author3-link=Charles Shepherd}}</ref>


== Types of orthostatic intolerance ==
== Types of orthostatic intolerance ==
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{{Main article|page_name=Postural orthostatic tachychardia}}
{{Main article|page_name=Postural orthostatic tachychardia}}


[[Postural orthostatic tachycardia syndrome]] (POTS) is one of a group of disorders that have orthostatic intolerance (OI) as their primary symptom. The primary symptom of OI is lightheadedness or fainting. In POTS, the lightheadedness or fainting is also accompanied by a rapid increase in heartbeat of more than 30 beats per minute, or a heart rate that exceeds 120 beats per minute, within 10 minutes of rising.<ref>{{Cite web|url=https://www.ninds.nih.gov/Disorders/All-Disorders/Postural-Tachycardia-Syndrome-Information-Page| title = Postural Tachycardia Syndrome Information Page|website= [[National Institute of Neurological Disorders and Stroke]]|access-date=2018-08-27}}</ref>
[[Postural orthostatic tachycardia syndrome]] (POTS) is one of a group of disorders that have orthostatic intolerance (OI) as their primary symptom. The primary symptom of OI is lightheadedness or fainting. In POTS, the lightheadedness or fainting is also accompanied by a rapid increase in heartbeat of more than 30 beats per minute, or a heart rate that exceeds 120 beats per minute, within 10 minutes of rising.<ref>{{Cite web|url=https://www.ninds.nih.gov/Disorders/All-Disorders/Postural-Tachycardia-Syndrome-Information-Page| title = Postural Tachycardia Syndrome Information Page | website = [[National Institute of Neurological Disorders and Stroke]]|access-date=2018-08-27}}</ref>


=== Orthostatic hypotension ===
=== Orthostatic hypotension ===
{{Main article|page_name=Orthostatic hypotension}}
{{Main article|page_name=Orthostatic hypotension}}


[[Orthostatic hypotension]], also called postural hypotension, it is a form of sudden low blood pressure that occurs upon standing. It can often cause dizziness. it is defined as a fall in systolic blood pressure of at least 20 mm Hg or diastolic blood pressure of at least 10 mm Hg when a person assumes a standing position.<ref>{{Cite news | url=http://www.potsuk.org/living_with_low_blood_pressure| title = PoTS - Living with low blood pressure | last = | first = |work=PoTS UK|access-date=2018-08-27|language=en}}</ref>
[[Orthostatic hypotension]], also called postural hypotension, it is a form of sudden low blood pressure that occurs upon standing. It can often cause dizziness. it is defined as a fall in systolic blood pressure of at least 20 mm Hg or diastolic blood pressure of at least 10 mm Hg when a person assumes a standing position.<ref>{{Cite news | url=http://www.potsuk.org/living_with_low_blood_pressure| title = PoTS - Living with low blood pressure | last = | first = |work=PoTS UK|access-date=2018-08-27|language=en}}</ref>


=== Neurally mediated hypotension ===
=== Neurally mediated hypotension ===
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===Management===
===Management===
*[[increase fluids]] and [[increased salt intake|increase dietary salt]]<ref name=":0">{{Cite web|url=https://www.cdc.gov/me-cfs/treatment/index.html| title = Treatment {{!}} Myalgic Encephalomyelitis/Chronic Fatigue Syndrome | date = 2018-05-18 | website = [[Centers for Disease Control and Prevention]]|language=en-us|access-date=2018-08-28}}</ref>
*[[increase fluids]] and [[increased salt intake|increase dietary salt]]<ref name=":0">{{Cite web|url=https://www.cdc.gov/me-cfs/treatment/index.html| title = Treatment {{!}} Myalgic Encephalomyelitis/Chronic Fatigue Syndrome | date = 2018-05-18 | website = [[Centers for Disease Control and Prevention]]|language=en-us|access-date=2018-08-28}}</ref>
*taking [[oral rehydration salts]]<ref name=":1">{{Cite journal | last = Medow | first = Marvin S. | last2 = Guber | first2=Kenneth|last3 = Chokshi | first3 = Shilpan | last4 = Terilli | first4 = Courtney | last5 = Visintainer | first5=Paul | last6 = Stewart | first6=Julian M. | date=Nov 2019| title = The Benefits of Oral Rehydration on Orthostatic Intolerance in Children with Postural Tachycardia Syndrome|url=https://pubmed.ncbi.nlm.nih.gov/31405524/|journal=The Journal of Pediatrics|volume=214 | pages = 96–102|doi=10.1016/j.jpeds.2019.07.041|issn=1097-6833|pmc=6815702|pmid=31405524}}</ref>
*taking [[oral rehydration salts]]<ref name=":1">{{Cite journal | last = Medow | first = Marvin S. | last2 = Guber | first2 = Kenneth | last3 = Chokshi | first3 = Shilpan | last4 = Terilli | first4 = Courtney | last5 = Visintainer | first5 = Paul | last6 = Stewart | first6 = Julian M. | date = Nov 2019| title = The Benefits of Oral Rehydration on Orthostatic Intolerance in Children with Postural Tachycardia Syndrome|url=https://pubmed.ncbi.nlm.nih.gov/31405524/|journal=The Journal of Pediatrics|volume=214 | pages = 96–102|doi=10.1016/j.jpeds.2019.07.041|issn=1097-6833|pmc=6815702|pmid=31405524}}</ref>
*monitoring heart rate<ref>{{Cite news | url=https://www.prohealth.com/library/orthostatic-intolerance-part-2-treating-oi-82949| title = Orthostatic Intolerance, Part 2: Treating OI - Prohealth | date = 2018-06-15|work=Prohealth|access-date=2018-08-28|language=en-US}}</ref>{{citation needed | date = 2022 | reason=Better citation needed}}
*monitoring heart rate<ref>{{Cite news | url=https://www.prohealth.com/library/orthostatic-intolerance-part-2-treating-oi-82949| title = Orthostatic Intolerance, Part 2: Treating OI - Prohealth | date = 2018-06-15|work=Prohealth|access-date=2018-08-28|language=en-US}}</ref>{{citation needed | date = 2022 | reason=Better citation needed}}
*raising head of bed<ref>{{Cite web|url=http://www.theoicenter.com/Taking-Care/Head-Up.html| title = Head of Bed Up|website=theoicenter.com|access-date=2018-08-28}}</ref><ref>{{Cite journal | last = Fan | first = C. W. | last2 = Walsh | first2 = C. | last3 = Cunningham | first3 = C.J. | date=2011-01-13| title = The effect of sleeping with the head of the bed elevated six inches on elderly patients with orthostatic hypotension: an open randomised controlled trial|url=https://academic.oup.com/ageing/article/40/2/187/47278|journal=Age and Ageing|language=en|volume=40|issue=2|pages=187–192|doi=10.1093/ageing/afq176|issn=0002-0729}}</ref>
*raising head of bed<ref>{{Cite web|url=http://www.theoicenter.com/Taking-Care/Head-Up.html| title = Head of Bed Up|website=theoicenter.com|access-date=2018-08-28}}</ref><ref>{{Cite journal | last = Fan | first = C. W. | last2 = Walsh | first2 = C. | last3 = Cunningham | first3 = C.J. | date = 2011-01-13| title = The effect of sleeping with the head of the bed elevated six inches on elderly patients with orthostatic hypotension: an open randomised controlled trial|url=https://academic.oup.com/ageing/article/40/2/187/47278|journal=Age and Ageing|language=en|volume=40|issue=2|pages=187–192|doi=10.1093/ageing/afq176|issn=0002-0729}}</ref>
*shower chair, handheld shower head, cooler water<ref>{{Cite web|url=http://www.theoicenter.com/Taking-Care/Showers-and-Stuff.html| title = Cleaning Up - Shower, Hair, Skin|website=theoicenter.com|access-date=2018-08-28}}</ref>
*shower chair, handheld shower head, cooler water<ref>{{Cite web|url=http://www.theoicenter.com/Taking-Care/Showers-and-Stuff.html| title = Cleaning Up - Shower, Hair, Skin|website=theoicenter.com|access-date=2018-08-28}}</ref>
*support stockings/[[compression stocking]]s<ref name=":0" /><ref name="vanCampen2022"/>
*support stockings/[[compression stocking]]s<ref name=":0" /><ref name="vanCampen2022"/>
*abdominal compression<ref>{{Cite journal|title=Abdominal Compression as a Treatment for Postural Tachycardia Syndrome|date=2020-07-21|url=https://www.ahajournals.org/doi/10.1161/JAHA.120.017610|journal=Journal of the American Heart Association|volume=9|issue=14|pages=e017610|last=Miller|first=Amanda J.|last2=Bourne|first2=Kate M.|language=en|doi=10.1161/JAHA.120.017610|pmc=PMC7660708|pmid=32673524|issn=2047-9980}}</ref>


==Research studies==
==Research studies==
*1999, [https://www.researchgate.net/publication/13372595_Orthostatic_Intolerance_in_Adolescent_Chronic_Fatigue_Syndrome Orthostatic intolerance in the chronic fatigue syndrome]<ref>{{Cite web|url=https://www.researchgate.net/profile/Julian_Stewart2/publication/13372595_Orthostatic_Intolerance_in_Adolescent_Chronic_Fatigue_Syndrome/links/5747411808aef66a78b079bf.pdf| title = Orthostatic Intolerance in Adolescent Chronic Fatigue Syndrome | last = Stewart | first = Julian Mark | last2 = Gewitz | first2 = Michael | date = Feb 1999 | website = researchgate.net|publisher=PubMed|via=Research Gate|archive-url=|archive-date=|url-status=|access-date=|last3 = Weldon | first3=A | last4 = Munoz | first4 = J}}</ref>
*1999, [https://www.researchgate.net/publication/13372595_Orthostatic_Intolerance_in_Adolescent_Chronic_Fatigue_Syndrome Orthostatic intolerance in the chronic fatigue syndrome]<ref>{{Cite web|url=https://www.researchgate.net/profile/Julian_Stewart2/publication/13372595_Orthostatic_Intolerance_in_Adolescent_Chronic_Fatigue_Syndrome/links/5747411808aef66a78b079bf.pdf| title = Orthostatic Intolerance in Adolescent Chronic Fatigue Syndrome | last = Stewart | first = Julian Mark | last2 = Gewitz | first2 = Michael | date = Feb 1999 | website = researchgate.net|publisher=PubMed|via=Research Gate|archive-url=|archive-date=|url-status=|access-date= | last3 = Weldon | first3 = A | last4 = Munoz | first4 = J}}</ref>
*2000, [http://www.ncbi.nlm.nih.gov/pubmed/10910366 The Roles of Orthostatic Hypotension, Orthostatic Tachycardia, and Subnormal Erythrocyte Volume in the Pathogenesis of the Chronic Fatigue Syndrome]<ref>{{Cite journal | last = Streeten | first = D. H. | last2 = Thomas | first2= D. | last3 = Bell | first3 =  D.S. | date=2000| title = The roles of orthostatic hypotension, orthostatic tachycardia, and subnormal erythrocyte volume in the pathogenesis of the chronic fatigue syndrome|url=https://www.ncbi.nlm.nih.gov/pubmed/10910366|journal=The American Journal of the Medical Sciences|volume=320|issue=1|pages=1–8|issn=0002-9629|pmid=10910366|via=}}</ref>
*2000, [http://www.ncbi.nlm.nih.gov/pubmed/10910366 The Roles of Orthostatic Hypotension, Orthostatic Tachycardia, and Subnormal Erythrocyte Volume in the Pathogenesis of the Chronic Fatigue Syndrome]<ref>{{Cite journal | last = Streeten | first = D. H. | last2 = Thomas | first2 = D. | last3 = Bell | first3 =  D.S. | date = 2000| title = The roles of orthostatic hypotension, orthostatic tachycardia, and subnormal erythrocyte volume in the pathogenesis of the chronic fatigue syndrome|url=https://www.ncbi.nlm.nih.gov/pubmed/10910366|journal=The American Journal of the Medical Sciences|volume=320|issue=1|pages=1–8|issn=0002-9629|pmid=10910366|via=}}</ref>
*2000, [https://www.tandfonline.com/doi/abs/10.1300/J092v08n02_05 Orthostatic Intolerance: A Review with Application to the Chronic Fatigue Syndrome]<ref>{{Cite journal | last = Stewart | first = Julian M. | date=2000| title = Orthostatic Intolerance|url=http://dx.doi.org/10.1300/J092v08n02_05|journal=Journal of Chronic Fatigue Syndrome|language=en|volume=8|issue=2 | pages = 45–64|doi=10.1300/j092v08n02_05|issn=1057-3321|via=}}</ref>
*2000, [https://www.tandfonline.com/doi/abs/10.1300/J092v08n02_05 Orthostatic Intolerance: A Review with Application to the Chronic Fatigue Syndrome]<ref>{{Cite journal | last = Stewart | first = Julian M. | date = 2000| title = Orthostatic Intolerance|url=http://dx.doi.org/10.1300/J092v08n02_05|journal=Journal of Chronic Fatigue Syndrome|language=en|volume=8|issue=2 | pages = 45–64|doi=10.1300/j092v08n02_05|issn=1057-3321|via=}}</ref>
*2015, [http://link.springer.com/article/10.1007/s00246-015-1274-6 Intravenous Hydration for Management of Medication-Resistant Orthostatic Intolerance in Adolescents and Young Adults]<ref name="Moak2015" />
*2015, [http://link.springer.com/article/10.1007/s00246-015-1274-6 Intravenous Hydration for Management of Medication-Resistant Orthostatic Intolerance in Adolescents and Young Adults]<ref name="Moak2015" />
*2016, [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4460014/ Orthostatic Changes in Hemodynamics and Cardiovascular Biomarkers in Dysautonomic Patients]<ref name="Nilsson2015" />
*2016, [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4460014/ Orthostatic Changes in Hemodynamics and Cardiovascular Biomarkers in Dysautonomic Patients]<ref name="Nilsson2015" />
*2019, Orthostatic intolerance in chronic fatigue syndrome<ref>{{Cite journal | last = Garner | first = Richard | author-link= | last2 = Baraniuk | first2 = James N. | authorlink2 = James Baraniuk | date = Dec 2019| title = Orthostatic intolerance in chronic fatigue syndrome|url=https://translational-medicine.biomedcentral.com/articles/10.1186/s12967-019-1935-y|journal=Journal of Translational Medicine|language=en|volume=17|issue=1|pages=|doi=10.1186/s12967-019-1935-y|issn=1479-5876|quote=|via=}}</ref>
*2019, Orthostatic intolerance in chronic fatigue syndrome<ref>{{Cite journal | last = Garner | first = Richard | authorlink = | last2 = Baraniuk | first2 = James N. | authorlink2 = James Baraniuk | date = Dec 2019| title = Orthostatic intolerance in chronic fatigue syndrome|url=https://translational-medicine.biomedcentral.com/articles/10.1186/s12967-019-1935-y|journal=Journal of Translational Medicine|language=en|volume=17|issue=1|pages=|doi=10.1186/s12967-019-1935-y|issn=1479-5876|quote=|via=}}</ref>
*2019, The Benefits of Oral Rehydration on Orthostatic Intolerance in Children with Postural Tachycardia Syndrome<ref name=":1" />
*2019, The Benefits of Oral Rehydration on Orthostatic Intolerance in Children with Postural Tachycardia Syndrome<ref name=":1" />
*2022, Compression Stockings Improve Cardiac Output and Cerebral Blood Flow during Tilt Testing in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) Patients: A Randomized Crossover Trial<ref name="vanCampen2022">{{Cite journal| title = Compression Stockings Improve Cardiac Output and Cerebral Blood Flow during Tilt Testing in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) Patients: A Randomized Crossover Trial | date = Jan 2022|url=https://www.mdpi.com/1648-9144/58/1/51/htm|journal=Medicina|volume=58|issue=1 | pages = 51 | last = van Campen | first = C. (Linda) M.C. | authorlinklink=Linda van Campen | last2 = Rowe | first2=Peter C. | authorlink2 = Peter Rowe|last3 = Visser | first3=Frans C. | authorlink3 = Frans Visser|language=en|doi=10.3390/medicina58010051|pmc=PMC8781100|pmid=35056360|access-date=|issn=1648-9144|quote=|via=}}</ref> - [https://www.mdpi.com/1648-9144/58/1/51/htm (Full text)]
*2022, Compression Stockings Improve Cardiac Output and Cerebral Blood Flow during Tilt Testing in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) Patients: A Randomized Crossover Trial<ref name="vanCampen2022">{{Cite journal| title = Compression Stockings Improve Cardiac Output and Cerebral Blood Flow during Tilt Testing in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) Patients: A Randomized Crossover Trial | date = Jan 2022|url=https://www.mdpi.com/1648-9144/58/1/51/htm|journal=Medicina|volume=58|issue=1 | pages = 51 | last = van Campen | first = C. (Linda) M.C. | authorlink = Linda van Campen | last2 = Rowe | first2 = Peter C. | authorlink2 = Peter Rowe | last3 = Visser | first3 = Frans C. | authorlink3 = Frans Visser|language=en|doi=10.3390/medicina58010051|pmc=PMC8781100|pmid=35056360|access-date=|issn=1648-9144|quote=|via=}}</ref> - [https://www.mdpi.com/1648-9144/58/1/51/htm (Full text)]


==Talks and interviews==
==Talks and interviews==
Line 79: Line 80:
==References==
==References==
<references>
<references>
<ref name="Miwa2015">{{Citation | last    = Miwa | first = Kunihisa | title = Cardiac dysfunction and orthostatic intolerance in patients with myalgic encephalomyelitis and a small left ventricle | journal = Heart and Vessels | volume  = 30| issue = 4| pages = 484–489 | date = Jul 2015
<ref name="Miwa2015">{{Citation | last    = Miwa | first = Kunihisa | title = Cardiac dysfunction and orthostatic intolerance in patients with myalgic encephalomyelitis and a small left ventricle | journal = Heart and Vessels | volume  = 30 | issue = 4| pages = 484–489 | date = Jul 2015 | pmid = 24736946 | doi = 10.1007/s00380-014-0510-y  
| pmid   = 24736946
| doi = 10.1007/s00380-014-0510-y  
| url = http://www.ncbi.nlm.nih.gov/pubmed/24736946 }}</ref>
| url = http://www.ncbi.nlm.nih.gov/pubmed/24736946 }}</ref>
<ref name="Stewart2015">{{Citation | last    = Stewart | first = Julian M   | authorlink1 = Julian Stewart | last2 = Medow| first2 = Marvin S  | authorlink2 = Marvin Medow | title = Orthostatic Intolerance | journal = Medscape | date = 2 Feb 2015
<ref name="Stewart2015">{{Citation | last    = Stewart | first = Julian M | authorlink1 = Julian Stewart | last2 = Medow | first2 = Marvin S  | authorlink2 = Marvin Medow | title = Orthostatic Intolerance | journal = Medscape | date = 2 Feb 2015
| url = http://emedicine.medscape.com/article/902155-overview#showall }}</ref>
| url = http://emedicine.medscape.com/article/902155-overview#showall }}</ref>
<ref name="Moak2015">{{Cite journal | last = Moak | first = Jeffrey P. | last2 = Leong | first2 = Derek|last3 = Fabian | first3=Robin | last4 = Freedenberg | first4 = Vicki | last5 = Jarosz | first5 = Elizabeth | last6 = Toney | first6 = Carol | last7 = Hanumanthaiah | first7 = Sridhar | last8 = Darbari | first8 = Anil | date = 2015-10-07| title = Intravenous Hydration for Management of Medication-Resistant Orthostatic Intolerance in the Adolescent and Young Adult|url=https://link.springer.com/article/10.1007/s00246-015-1274-6|journal=Pediatric Cardiology|language=en|volume=37|issue=2|pages=278–282|doi=10.1007/s00246-015-1274-6|issn=0172-0643}}</ref>
<ref name="Moak2015">{{Cite journal | last = Moak | first = Jeffrey P. | last2 = Leong | first2 = Derek | last3 = Fabian | first3 = Robin | last4 = Freedenberg | first4 = Vicki | last5 = Jarosz | first5 = Elizabeth | last6 = Toney | first6 = Carol | last7 = Hanumanthaiah | first7 = Sridhar | last8 = Darbari | first8 = Anil | date = 2015-10-07| title = Intravenous Hydration for Management of Medication-Resistant Orthostatic Intolerance in the Adolescent and Young Adult|url=https://link.springer.com/article/10.1007/s00246-015-1274-6|journal=Pediatric Cardiology|language=en|volume=37|issue=2|pages=278–282|doi=10.1007/s00246-015-1274-6|issn=0172-0643}}</ref>
<ref name="Nilsson2015">{{citation | last1   = Nilsson | first1 = David | last2 = Sutton | first2 = Richard | last3 = Tas | first3 = Widet | last4 = Burri | first4 = Philippe | last5 = Melander | first5 = Olle | last6 =Fedorowski | first6 = Artur
<ref name="Nilsson2015">{{citation | last1 = Nilsson | first1 = David | last2 = Sutton | first2 = Richard | last3 = Tas | first3 = Widet | last4 = Burri | first4 = Philippe | last5 = Melander | first5 = Olle | last6 =Fedorowski | first6 = Artur | title = Orthostatic Changes in Hemodynamics and Cardiovascular Biomarkers in Dysautonomic Patients | journal = PLoS ONE | volume = 10 | issue = 6 | date = 6 Aug 2015 | pmid = 26053073 | doi = 10.1371/journal.pone.0128962
| title = Orthostatic Changes in Hemodynamics and Cardiovascular Biomarkers in Dysautonomic Patients | journal = PLoS ONE | volume = 10| issue = 6 | date = 6 Aug 2015
| pmid   = 26053073
| doi = 10.1371/journal.pone.0128962
| url = http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4460014/ }}</ref>
| url = http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4460014/ }}</ref>
</references>
</references>

Latest revision as of 05:38, August 16, 2023

Orthostatic intolerance (OI) is the inability to correctly regulate blood pressure, cerebral blood flow and consciousness when upright, usually when standing, but it can also occur when sitting. If irregular blood pressure and heart rate initiate while in a supine position (lying down, faceup), then officially it is not orthostatic intolerance.[1]

Prevalence[edit | edit source]

Orthostatic intolerance is a common dysfunction in ME/CFS.[2][3] Estimates of the rate of orthostatic intolerance in chronic fatigue syndrome and myalgic encephalomyelitis patients vary widely, with estimates as low as 50% to as high as 97% of patients.[4]

Orthostatic intolerance is also commonly associated with fibromyalgia.[5]

Testing[edit | edit source]

This interactive video explains what you can expect during the tilt table test. By eMedTV

Orthostatic intolerance can be diagnosed by a tilt table test, although a tilt table test isn't required. It is part of the Institute of Medicine report's proposed diagnostic criteria for Systemic Exertion Intolerance Disease.[6]

The NASA 10-minute Lean Test is a variant of a test used by NASA researchers to test for orthostatic intolerance following space flight. The adaption for ME/CFS patients was developed by Dr. Lucinda Bateman, which she recommends all ME/CFS and fibromyalgia patients undergo to assess for orthostatic intolerance. The NASA 10-minute Lean Test is less taxing on the patient and can be done in any physician's office. Instructions are available for printout for both healthcare providers and patients.[7]

Symptom recognition[edit | edit source]

Orthostatic intolerance (OI) is an optional symptom for diagnosis in Systemic Exertion Intolerance Disease (SEID), the Canadian Consensus Criteria (CCC) which diagnoses ME/CFS and the International Consensus Criteria (ICC)[8] which can be used to diagnose Myalgic encephalomyelitis (ME).[6][9][8] In the London criteria which diagnoses ME, OI is mentioned under the criteria of periods of impaired circulation compatible with autonomic dysfunction.[10]

Types of orthostatic intolerance[edit | edit source]

Postural orthostatic tachycardia syndrome[edit | edit source]

Postural orthostatic tachycardia syndrome (POTS) is one of a group of disorders that have orthostatic intolerance (OI) as their primary symptom. The primary symptom of OI is lightheadedness or fainting. In POTS, the lightheadedness or fainting is also accompanied by a rapid increase in heartbeat of more than 30 beats per minute, or a heart rate that exceeds 120 beats per minute, within 10 minutes of rising.[11]

Orthostatic hypotension[edit | edit source]

Orthostatic hypotension, also called postural hypotension, it is a form of sudden low blood pressure that occurs upon standing. It can often cause dizziness. it is defined as a fall in systolic blood pressure of at least 20 mm Hg or diastolic blood pressure of at least 10 mm Hg when a person assumes a standing position.[12]

Neurally mediated hypotension[edit | edit source]

Neurally mediated hypotension (NMH), also called neurally mediate syncope, peripheral vasodilation causes blood to pool in the extremities. It is associated with a decrease in blood pressure, and a slow or lowered heart rate upon standing.[13]

Vasovagal syncope[edit | edit source]

Syncope means fainting, and near-syncope is when a person almost faints.[citation needed]

Potential treatments[edit | edit source]

Drugs[edit | edit source]

Management[edit | edit source]

Research studies[edit | edit source]

Talks and interviews[edit | edit source]

See also[edit | edit source]

Learn more[edit | edit source]

References[edit | edit source]

  1. Stewart, Julian M; Medow, Marvin S (February 2, 2015), "Orthostatic Intolerance", Medscape
  2. Rowe, Peter (September 5, 2014). "Guest Blog: Dr. Peter Rowe – Is The Physical Examination Normal in CFS? Part 1 - Solve ME/CFS Initiative". Solve ME/CFS Initiative. Retrieved August 27, 2018.
  3. "Overlapping Conditions". American ME and CFS Society. Retrieved August 12, 2018.
  4. Miwa, Kunihisa (July 2015), "Cardiac dysfunction and orthostatic intolerance in patients with myalgic encephalomyelitis and a small left ventricle", Heart and Vessels, 30 (4): 484–489, doi:10.1007/s00380-014-0510-y, PMID 24736946
  5. Lapp, Charles; Black, Laura; Smith, Rebekah S. "Symptoms Predict the Outcome of Tilt Table Testing in CFS/ME/FM" (PDF). drlapp.com.
  6. 6.0 6.1 Institute of Medicine (2015), Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Redefining an Illness, Washington, DC: The National Academies Press
  7. Bateman, Lucinda (September 27, 2016). "Simple Way to Assess Orthostatic Intolerance - Bateman Horne Center". Bateman Horne Center. Retrieved August 27, 2018.
  8. 8.0 8.1 Carruthers, BM; van de Sande, MI; De Meirleir, KL; Klimas, NG; Broderick, G; Mitchell, T; Staines, D; Powles, ACP; Speight, N; Vallings, R; Bateman, L; Bell, DS; Carlo-Stella, N; Chia, J; Darragh, A; Gerken, A; Jo, D; Lewis, DP; Light, AR; Light, KC; Marshall-Gradisnik, S; McLaren-Howard, J; Mena, I; Miwa, K; Murovska, M; Stevens, SR (2012), Myalgic encephalomyelitis: Adult & Paediatric: International Consensus Primer for Medical Practitioners (PDF), ISBN 978-0-9739335-3-6
  9. Carruthers, Bruce M.; Jain, Anil Kumar; De Meirleir, Kenny L.; Peterson, Daniel L.; Klimas, Nancy G.; Lerner, A. Martin; Bested, Alison C.; Flor-Henry, Pierre; Joshi, Pradip; Powles, AC Peter; Sherkey, Jeffrey A.; van de Sande, Marjorie I. (2003), "Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Clinical Working Case Definition, Diagnostic and Treatment Protocols" (PDF), Journal of Chronic Fatigue Syndrome, 11 (2): 7–115, doi:10.1300/J092v11n01_02
  10. Howes, Sandra; Goudsmit, Ellen M.; Shepherd, Charles (October 15, 2014), Myalgic Encephalomyelitis (ME). Criteria and clinical guidelines. 2014, archived from the original on September 23, 2015
  11. "Postural Tachycardia Syndrome Information Page". National Institute of Neurological Disorders and Stroke. Retrieved August 27, 2018.
  12. "PoTS - Living with low blood pressure". PoTS UK. Retrieved August 27, 2018.
  13. "Summary of Syncope and Neurally Mediated Syncope". Dysautonomia International. Retrieved August 27, 2018.
  14. "Pharmaceutical Medications for Chronic Fatigue Syndrome & Myalgic Encephalomyelitis - Prohealth". Prohealth. Retrieved August 28, 2018.
  15. 15.0 15.1 "Treatment | Myalgic Encephalomyelitis/Chronic Fatigue Syndrome". Centers for Disease Control and Prevention. May 18, 2018. Retrieved August 28, 2018.
  16. 16.0 16.1 Medow, Marvin S.; Guber, Kenneth; Chokshi, Shilpan; Terilli, Courtney; Visintainer, Paul; Stewart, Julian M. (November 2019). "The Benefits of Oral Rehydration on Orthostatic Intolerance in Children with Postural Tachycardia Syndrome". The Journal of Pediatrics. 214: 96–102. doi:10.1016/j.jpeds.2019.07.041. ISSN 1097-6833. PMC 6815702. PMID 31405524.
  17. "Orthostatic Intolerance, Part 2: Treating OI - Prohealth". Prohealth. June 15, 2018. Retrieved August 28, 2018.
  18. "Head of Bed Up". theoicenter.com. Retrieved August 28, 2018.
  19. Fan, C. W.; Walsh, C.; Cunningham, C.J. (January 13, 2011). "The effect of sleeping with the head of the bed elevated six inches on elderly patients with orthostatic hypotension: an open randomised controlled trial". Age and Ageing. 40 (2): 187–192. doi:10.1093/ageing/afq176. ISSN 0002-0729.
  20. "Cleaning Up - Shower, Hair, Skin". theoicenter.com. Retrieved August 28, 2018.
  21. 21.0 21.1 van Campen, C. (Linda) M.C.; Rowe, Peter C.; Visser, Frans C. (January 2022). "Compression Stockings Improve Cardiac Output and Cerebral Blood Flow during Tilt Testing in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) Patients: A Randomized Crossover Trial". Medicina. 58 (1): 51. doi:10.3390/medicina58010051. ISSN 1648-9144. PMC 8781100. PMID 35056360.
  22. Miller, Amanda J.; Bourne, Kate M. (July 21, 2020). "Abdominal Compression as a Treatment for Postural Tachycardia Syndrome". Journal of the American Heart Association. 9 (14): e017610. doi:10.1161/JAHA.120.017610. ISSN 2047-9980. PMC 7660708. PMID 32673524.
  23. Stewart, Julian Mark; Gewitz, Michael; Weldon, A; Munoz, J (February 1999). "Orthostatic Intolerance in Adolescent Chronic Fatigue Syndrome" (PDF). researchgate.net. PubMed – via Research Gate.
  24. Streeten, D. H.; Thomas, D.; Bell, D.S. (2000). "The roles of orthostatic hypotension, orthostatic tachycardia, and subnormal erythrocyte volume in the pathogenesis of the chronic fatigue syndrome". The American Journal of the Medical Sciences. 320 (1): 1–8. ISSN 0002-9629. PMID 10910366.
  25. Stewart, Julian M. (2000). "Orthostatic Intolerance". Journal of Chronic Fatigue Syndrome. 8 (2): 45–64. doi:10.1300/j092v08n02_05. ISSN 1057-3321.
  26. Moak, Jeffrey P.; Leong, Derek; Fabian, Robin; Freedenberg, Vicki; Jarosz, Elizabeth; Toney, Carol; Hanumanthaiah, Sridhar; Darbari, Anil (October 7, 2015). "Intravenous Hydration for Management of Medication-Resistant Orthostatic Intolerance in the Adolescent and Young Adult". Pediatric Cardiology. 37 (2): 278–282. doi:10.1007/s00246-015-1274-6. ISSN 0172-0643.
  27. Nilsson, David; Sutton, Richard; Tas, Widet; Burri, Philippe; Melander, Olle; Fedorowski, Artur (August 6, 2015), "Orthostatic Changes in Hemodynamics and Cardiovascular Biomarkers in Dysautonomic Patients", PLoS ONE, 10 (6), doi:10.1371/journal.pone.0128962, PMID 26053073
  28. Garner, Richard; Baraniuk, James N. (December 2019). "Orthostatic intolerance in chronic fatigue syndrome". Journal of Translational Medicine. 17 (1). doi:10.1186/s12967-019-1935-y. ISSN 1479-5876.
  29. Rowe, Peter (September 1, 2010). "Managing Orthostatic Intolerance". YouTube. SolveCFS.
  30. Cortes, Melissa (April 7, 2016). "Remaining Upright: Approach to Orthostatic Intolerance - Melissa Cortes". YouTube. Bateman Horne Center.
  31. Stewart, Julian (January 4, 2018). "Orthostatic Intolerance: Background, Pathophysiology, Etiology". MedScape.
  32. Reynolds, Leigh (April 8, 2016). "Remaining Upright: Approach to Orthostatic Intolerance - Bateman Horne Center". Bateman Horne Center. Retrieved August 28, 2018.
  33. Anderssen, Alex (February 21, 2016). "NIH gives $246,000 for study of oral rehydration in ME/CFS patients with orthostatic intolerance - #MEAction". #MEAction. Retrieved August 28, 2018.
  34. "Orthostatic Intolerance (OI) Center". theoicenter.com. Retrieved August 28, 2018.