Dr. Peter Rowe – “Is The Physical Examination Normal in Chronic Fatigue Syndrome?”

Dr. Peter Rowe discusses 3 areas of dysfunction often found in Chronic Fatigue Syndrome patients —circulatory disturbances, joint hypermobility, and movement restrictions. These appear to have some commonality with Ehlers-Danlos Syndrome.  Fortunately, recent research is beginning to change the previous misperception that there are “no abnormal physical findings with CFS” and refute that it has a “psychosomatic origin”.

 

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“In this three-part blog series, Dr. Peter Rowe will describe three groups of abnormalities found on physical examination of Chronic Fatigue patients.

In the first post in the series, Dr Rowe discussed orthostatic heart rate and blood pressure changes. Read Part 1 HERE

In the second post, Dr Rowe discussed joint hypermobility. Read Part 2 HERE

In the 3rd piece, Dr. Peter Rowe discusses range of motion in ME/CFS patients.  Read Part 3 HERE

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Is the physical examination normal in CFS?

Papers in the early 1990s described a low yield of physical examinations in patients with chronic fatigue and CFS.1 Although there were some notable counter-arguments made by Komaroff—describing sore throat and swollen lymph nodes, as well as a 10-20% prevalence of abnormal Romberg tests (Romberg test is a neurological exam that assesses balance while standing)2most reviews of CFS included statements like the one that appeared in the 2002 Australian CFS Guidelines: “Characteristically, there are no abnormal physical findings in people with CFS.”3

The absence of abnormalities on the physical examination, especially when contrasted with the profound functional impairment in CFS, was often interpreted to be consistent with a largely psychosomatic origin of the illness. Research in the past 20 years, however, provides a decidedly different view.  In this three-part blog post, Dr. Peter Rowe will describe three groups of abnormalities found on physical examination.

 

Orthostatic heart rate and blood pressure changes

One of the most readily apparent abnormalities on the examination of those with CFS is that heart rate and blood pressure abnormalities are present, sometimes at rest, and more consistently during relatively brief periods of upright posture. In response to standing or upright tilt table testing, individuals with CFS have a higher prevalence of neurally mediated hypotension (NMH) and postural tachycardia syndrome (POTS), or both (Figure 1). The prevalence of these and other blood pressure and heart rate abnormalities is higher in adolescent than in adults, but even in the absence of objective changes in blood pressure or heart rate, orthostatic (upright) stress in individuals with CFS of all ages provokes characteristic daily symptoms of increased fatigue, lightheadedness, mental fog, or headache. In adolescents, all published controlled studies have shown a numerically higher prevalence of orthostatic intolerance in CFS than in healthy individuals (4 of 5 reporting statistically significantly differences), and all studies looking at autonomic tone show a sympathetic predominance of heart rate variability, especially in response to orthostatic stress. Continue Reading Part 1 HERE

 

Joint hypermobility

Some patients meeting the criteria for CFS have a genetic disorder of connective tissue known as Ehlers-Danlos syndrome (EDS). Those with EDS have stretchy skin, very loose, hypermobile joints that often dislocate easily, along with delayed wound healing, fragile skin, and a tendency to develop an early onset of varicose veins. Those with EDS have chronic fatigue and widespread pain of uncertain cause, which of course overlaps with the central features of CFS.

We first drew attention to this association in 1999, noting that those with CFS and orthostatic intolerance had a much higher prevalence of EDS than expected.1 We then went on to examine whether those with CFS had a higher prevalence of joint hypermobility. Although we might expect less flexibility in a population that has had at least 6 months of reduced activity, in that study, 60% of new adolescent patients with CFS met criteria for joint hypermobility, compared to just 24% of healthy controls.2

Continue Reading Part 2 HERE

Postural dysfunctions and movement restrictions

“Some of those with joint hypermobility also have postural abnormalities that are thought to be a consequence of the effect of gravitational loading of the spine, including a head-forward posture, a rounded appearance of the thoracic spine, and increased lumbar curvature. My physical therapist colleague, Rick Violand, had originally identified a number of associated areas of reduced movement of the spine and limbs during his examination of those with CFS (Chronic fatigue syndrome). These observations describing adverse neural tension (also termed neurodynamic dysfunction) have been reported elsewhere.1-3 During the clinical care of patients over the last decade, we had been struck by how many individuals with CFS had focal areas of restricted range of motion, and how adding an elongation strain to nerves and soft tissues could aggravate their typical CFS symptoms. With other co-investigators, we recently published a large study showing that reduced range of motion of the limbs and spine was significantly more common in adolescents and young adults with CFS than in carefully matched controls, and that adding a longitudinal strain to the nerves and soft tissues was another way of provoking common CFS symptoms.18 These examination abnormalities can be detected most readily by physical therapists and other manual practitioners. Physicians and nurse practitioners can become adept at screening for these problems if provided with extra training.

Why does the detection of movement restrictions matter? Our experience leads us to believe that the areas of adverse neural tension are treatable. In clinical care we have noted that improvement in the range of motion is usually accompanied by improvement in daily function for those with CFS. Much more work needs to be done to characterize these abnormalities further, to determine whether the same changes are also present in adults with CFS, and to identify the optimal treatment approaches. These observations open up new avenues for understanding the pathogenesis of CFS symptoms, and for further individualized approaches to treatment. We hypothesize that treating the movement restrictions first using gentle manual therapy techniques will help the most impaired CFS patients begin to tolerate exercise better.

Conclusion    

These three related areas of dysfunction—circulatory disturbances, joint hypermobility, and movement restrictions—emphasize that there is much to be gained from the performance of a careful clinical examination in those with CFS. Given that aspects of each abnormality are treatable, their identification has the potential to improve the daily symptoms and function for those with CFS. We recommend the more widespread adoption of maneuvers to ascertain for these abnormalities in the clinical and research evaluation of those with CFS.”

 

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Click here to listen to an educational video that Dr. Rowe presented for the EDS Awareness Educational series.

 

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