Congestive syndrome arthrogenes I87.2-

Schmeller 1990 - First describer of the Circulus vitiosus s. Figure. Unfavourable mutual influence of venous congestion and reduced or eliminated joint mobility.

Most severe complication of chronic venous insufficiency (CVI) with/ without existing varicosis and/or post-thrombotic syndrome.

With regard to pathophysiology, 2 forms of arthrogenic congestion syndrome can be distinguished.

• a) the arthrogenic congestion syndrome, which occurs as a consequence of a severe chronic venous insufficiency. In advanced venous disease (from clinical stage 4), there are changes in the skin and subcutaneous fatty tissue. It is a progressive inflammatory reaction that changes into a sclerosing process. As it progresses, fascia involvement occurs, resulting in dermatolipofasciosclerosis . As a consequence, the ligamentous apparatus of the upper ankle joint is also affected. The degenerative remodeling of the joint structures as well as the Achilles tendon can lead to complete fixation of the upper ankle joint in the pointed foot position via the increasing restriction of movement. In addition, the presence of a painful leg ulcer itself contributes to the development of a fixed pointed foot due to a protective posture of the foot in plantar flexion. In the worst case, the joint motility in the upper ankle joint is 0 - 40 - 40° (dorsiflexion - 0 - plantarflexion). With the stiffening of the upper ankle joint, the calf muscles atrophy. Hereby the functionality of the most important venous pump, namely the crural venous pump, is lost. The ankle pump as well as the muscle pump of the powerful M. triceps surae from the superficial flexor ligament and the muscle pumps of the deep flexors (M. tibialis posterior, M. flexor digitorum longus, M. flexor hallucis longus) lose their function. The fixed pointed foot also causes recurvation of the knee joint in the upright and walking patient . The recurvation presses the veins at the level of the knee joint against the tibial head and constricts them. This further impairs venous outflow. As a result of the increasing venous congestion, the disease situation worsens, further tissue damage occurs, which favors the development, maintenance and extension of chronic ulcerations. This vicious circle, in which venous congestion on the one hand and joint motility - especially of the upper ankle joint - on the other hand influence each other unfavorably as pathophysiological processes, was already aptly described by Schmeller 1990. Characteristically, difficult-to-heal cuff ulcers and necroses form in the course.
• b) the arthrogenic congestion syndrome, which occurs in primarily venous-healthy patients as functional venous insufficiency with disturbances of the venomuscular pump of the leg. The mobility in the upper ankle joint seems to be of special importance. Arthrogenic congestion syndrome (lymphedema) is frequently observed in rheumatoid arthritis. However, movement disorders of the knee, the lower ankle joint as well as hollow and flat feet also have an influence on venous outflow.

There are no reliable epidemiological data on arthrogenic congestion syndrome

From the Bonn Vein Study it is known that approx. 3.6% of the population are in clinical CEAP stages C4a to C6 and are therefore at immediate risk of developing an arthrogenic congestion syndrome

Epidemiological data on arthrogenic congestion syndrome at the bottom of a movement restriction without prior CVI are not available

• progressive inflammatory reaction in the context of venous hypertension, which changes into a sclerosing process
• in the further course it comes to the inclusion of skin, subcutis and fasciae. Dermatolipofasciosclerosis develops.
• As a consequence, the ligamentous apparatus of the upper ankle joint is involved, the joint structures and the Achilles tendon are remodeled until they are completely fixed in the toe position

• all signs of severe CVI may be present:
  • Hyperpigmentations
  • Dermatolipofasciosclerosis
  • Atrophie blanche
  • ulcerations, usually very resistant to therapy, often of large extension
• in severe cases, chronic venous compartment syndrome, possibly

Diagnosis can usually be made on the basis of the following three symptoms:

• ulcus cruris that is refractory to therapy and/or other signs of severe CVI
• fixed toe
• atrophic calf muscles

Duplex sonographic diagnosis is useful to verify or exclude underlying venous outflow disorders (varicosis or thrombosis or postthrombotic syndrome).

• if possible reactivation/ promotion of mobility in the ankle joint
• symptomatic compression therapy with high resting pressure and high material strength/ low elasticity
• if necessary, supplementary intermittent compression therapy using equipment
• Pain therapy to avoid a somewhat relieving posture/ pointed foot position
• in case of underlying varicosis or postthrombotic syndrome whenever possible causal therapy of the same with improvement of the venous outflow situation
• biomechanical stimulation (NOT for pacemakers, severe heart disease, neurological disease, osteoporosis, metal implants)
• Ultima ratio - removal of the fascia cruris as well as the ulcer cruris with adjacent sclerotic tissue, subsequent covering with graft - e.g. en-bloc resection according to Homans, surgery according to Hach
• postop. Fitting of orthopedic shoes to ensure mobility, no compression therapy, contrast relaxation, muscle stretching according to Janda, repeated contractions

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