Renegade Research

AI Summary

Summary of
Orthostatic Flow Syndrome (& Pelvic Venous Insufficiency)​

A Clinician’s Roundtable by Renegade-Research.org, 4-11-2025 via ChatCPT

Summary of Dr. Steven J. Smith’s presentation on “Orthostatic Flow Syndrome,” a term he coined to describe interconnected vein and blood return issues—particularly pelvic venous insufficiency —and their links to systemic symptoms such as pelvic pain, migraines, POTS, fibromyalgia, and ME/CFS.

​

Key Points:

​

- Pelvic Venous Insufficiency is often misdiagnosed or overlooked by gynecology despite being common, especially in multiparous women and those with connective tissue disorders like Ehlers-Danlos Syndrome.

- Mechanism: Narrowed or dilated pelvic veins cause blood pooling, reduced thoracic return, and orthostatic symptoms. This can trigger sympathetic overdrive (“chronic fight-or-flight”), contributing to fatigue, brain fog, migraines, IBS, interstitial cystitis, and anxiety-like symptoms.

- Diagnosis Clues: Orthostatic worsening of pelvic pain, tenderness over the left ovary, visible varicosities, pressure-pain in vagina or vulva, hypermobility, poorly healed scars, and cold discolored legs.

- Treatment: Endovascular interventions such as embolization or stenting can resolve pelvic pain and improve systemic symptoms. Case studies showed resolution or major improvement in POTS, interstitial cystitis, migraines, IBS,and brain fog after treating pelvic veins. Fibromyalgia symptoms are also improved [Smith 2025].

- Research Findings:
  * Surveys revealed high rates of chronic fatigue, dizziness, heart palpitations, IBS, and joint hypermobility among pelvic congestion patients [SJ Smith Phlebology 2022].
  * 49% had clinically significant orthostatic intolerance pre-treatment, reduced to 13% post-treatment [SJ Smith Phlebology 2024].
  * Migraine severity dropped significantly; brain fog and GI symptoms improved [SJ Smith Phlebology 2025].
  * Similar quality-of-life gains were seen compared to POTS patients receiving saline infusions, suggesting improved cerebral perfusion via mechanical flow restoration [Smith 2025.  Ruzieh 2017]].
  * Multicenter trial data showed sustained improvements is almost all early gains at 12 months [Knuttinen et al CVIR in press].

- Possible Biochemical Link: Distressed pelvic veins may release CGRP and substance P, neuropeptides implicated in migraine, fibromyalgia, and pelvic pain syndromes
  [ S Gavrilov Acta Natura 2019, D Scuteri et al *** Korucu et al Arch Rheumatol 2020].

- Proposed Model: Pelvic vein obstruction/pooling →reduced thoracic blood return → sympathetic overdrive →multi-system symptoms, potentially worsened by histamine/mast cell activation and neuropeptide release.

​

Conclusion (ChatGPT)

​

Pelvic venous insufficiency may be an underrecognized cause of orthostatic intolerance and overlapping chronic conditions. Addressing venous flow can lead to major symptom relief in select patients.

​