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Critical Limb Ischemia Caused by Adductor Canal Compression Syndrome - A Case Report with the Review of the Literature

Piotr Kaszczewski1*, Tomasz Ostrowski1, Jarosław Żyłkowski2 and Zbigniew Gałązka1

1Department of General and Endocrine Surgery, Medical University of Warsaw, Poland

2Division of Radiology, Medical University of Warsaw, Poland

*Corresponding Author:
Piotr Kaszczewski
Department of General and Endocrine Surgery
Medical University of Warsaw, Poland
Tel: +48 22 572 09 13
Fax: +886-8-7366494
E-mail: [email protected]

Received Date: December 24, 2017; Accepted Date: December 30, 2017; Published Date: December 31, 2017

Citation: Kaszczewski P, Ostrowski T, Żyłkowski J, Gałązka Z (2018) Critical Limb Ischemia Caused by Adductor Canal Compression Syndrome - A Case Report with The Review of The Literature. Med Case Rep Vol.4 No. S1:003. DOI: 10.21767/2471-8041.S1-003

 
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Abstract

Critical Limb Ischemia (CLI) is a severe obstruction of the arteries which markedly reduces blood flow to the extremities (hands, feet and legs) and has progressed to the point of severe pain and even skin ulcers or sores.

Here, we report a case of a 55 year-old male who was diagnosed with the adductor canal compression syndrome–a rarely described non-traumatic disorder of the lower limb resulting from the external compression of the superficial femoral artery, that may present with the symptoms ranging from intermittent exercise induced claudication up to arterial obstruction and critical limb ischemia.

Keywords

Lower limb ischemia; Dorsalis pedis artery; Adductor canal compression syndrome; Acute arterial occlusion

Introduction

Critical Limb Ischemia (CLI) is a severe obstruction of the arteries which markedly reduces blood flow to the extremities (hands, feet and legs) and has progressed to the point of severe pain and even skin ulcers or sores. Ischemia is a serious condition in which there is inadequate blood flow and oxygen to a specific part of the body. It can occur anywhere blood flows including the limbs, heart, brain, or intestines. It is generally caused by a narrowing or blockage of an artery. Ischemia is a severe condition that can cause tissue damage and loss of limbs. This condition will not improve on its own and requires appropriate medical attention.

Case Presentation

A 55-year old Caucasian male was admitted to our department with the diagnosis of the critical left lower limb ischemia. The patient presented a sudden onset of exercise induced claudication 3 months preceding hospitalization. Since then the symptoms were perpetually progressing, eventually resulting in rest pain.

Any lower extremity trauma, intake of anabolic agents or other chemical substances including drugs was strongly denied. No history for chronic diseases, alcohol abuse or intake of any medications was recorded. The only risk factor of atherosclerosis was smoking habit – about 20 cigarettes per day from about 30 years (30 pack years). The patient had a deep vein thrombosis excluded with a Doppler-Duplex examination and because of the constant exacerbation of symptoms referred to vascular surgery department.

On admission, the patient complained of rest pain, which was preceded by intermittent claudication - distance below 10 meters, paresthesia and coldness of the limb. There was palpable pulse on left femoral artery and absent pulses in popliteal, posterior tibial and dorsalis pedis artery.

A CT scan revealed patent common femoral, deep femoral and proximal part of superficial femoral artery and 11 cm occlusion of the distal part of this vessel from the level of the hiatus of the adductor canal with the balloting thrombus below the occluded part of the artery and patent popliteal artery supplied from the collateral circulation (Figure 1).

medical-case-reports-femoral-artery

Figure 1: CT scan, A. 3 D reconstruction demonstrating occlusion of the left superficial femoral artery (posterior view), B. 11 cm occlusion of the artery in question (anterior view).

There were no hemodynamically significant atherosclerotic lesions in the lower extremity arteries. The patient was qualified for urgent surgical treatment. From the medial approach at the level of the Hunter canal hiatus a thrombectomy was performed. During exploration of the adductor canal a fibromuscular band, arising from the adductor magnus muscle, overlying, running across and compressing the superficial femoral artery was exposed on the canal outlet (Figure 2).

medical-case-reports-Intraoperative-view

Figure 2: Intraoperative view. The fibromuscular band (black arrow) arising from the adductor magnus muscle, overlying, running across and compressing the superficial femoral artery (white arrow).

The fibromuscular band was subsequently excised, a thrombectomy was successfully performed (Figure 3) and the artery was closed with the use of the vein interposition patch, harvested from the distal part of the ipsilateral great saphenous vein.

medical-case-reports-thrombotic-material

Figure 3: The thrombotic material removed from the superficial femoral artery.

The patient was discharged from hospital in the 5 days from the surgery with a palpable pulse in femoral, popliteal, anterior and posterior tibial arteries, and the proper three phasic waveform in Doppler-Duplex examination in femoral, popliteal and calf arteries. A follow-up CT scan 6 months after the operation confirmed very good result of the vascular intervension (Figure 4).

medical-case-reports-superficial-femoral

Figure 4: CT scan - 3D reconstruction 6 months after vascular intervention confirms patency of the left superficial femoral artery (white arrow)- posterior view.

Discussion

The adductor canal compression syndrome is a rare nontraumatic disorder of the lower limb in which an external compression of the neurovascular structures in the Hunter canal may result either in neurological or vascular symptoms including acute thrombosis leading to critical lower limb ischemia [1]. It was first described in 1950 by Palma [2]. Clinical symptoms include exercise induced claudication, paresthesia’s and muscle weakness in the limb resulting with impaired performance and are usually chronic and progressive. However more severe clinical course as the consequence of acute thrombosis or dissection of the artery might occur [3]. This scenario took place in our patient, who previously complained of exercise induced intermittent claudication and developed a critical limb ischemia in three months from the onset of the symptoms.

While previously Palma thought the disease not to affect female because of the more oblique femur and larger adductor canal, currently the case reports describing adductor canal compression syndrome both in male and female patients are published [4,5].

Neurological symptoms may be a result of saphenous nerve compression at the level of the hiatus of the canal causing pain of the medial part of the knee - in the area of saphenous nerve sensory innervation, and are not connected with any vascular compression [6,7]. The compression of the superficial femoral artery leads usually to exercise induced claudication but may also be the cause of thrombosis and critical limb ischemia connected with the risk of the limb loss. This condition may be caused by either hypertrophied muscles forming the adductor canal: adductor magnus and vastus medialis at the level of adductor hiatus or by abnormal fibrous or fibromuscular band like structure arising from adductor magnus [3,8]. The latter relates to the occlusion of the superficial femoral artery, which was also the case in our patient [9].

Non-traumatic vascular injuries of the lower limb such as: intimal hyperplasia, stenosis or kinking of iliac arteries in flexion, adductor canal syndrome or popliteal entrapment syndrome, effort induced venous thrombosis or chronic exertional compartment syndrome is a group of disorders affecting mainly young and healthy athletes competing at the professional level without concomitant diseases and cardiovascular risk factors [8]. Among the group of the mentioned disorders the adductor canal compression syndrome is most frequent in skiers and runners [10]. Our patient was not a professional sportsman but as a blue-collar worker he is used to lifting huge amount of load, up to even few tons per day, for the last 30 years.

The patient was 55 years-old when the symptoms developed, which is in consistence with the mean age of the onset of the symptoms of the adductor canal compression syndrome in cases described in the literature, which is 45 ± 11 [7]. The factor connected with the age of the patient, that may facilitate the compression syndrome to develop, is the agerelated modification of connective tissue of the adductor canal resulting in stronger adherence of the connective tissue to the adjacent structures and the consecutive loss of the sliding movement of the vessels during activity [11].

The patients with the sudden onset of the claudication, especially those without previous history and the risk factors of the cardiovascular diseases should have a Color Duplex Doppler examination and a CT scan performed. The MRI examination, providing information about soft tissues should be also considered. Those examination lead to proper diagnosis and differentiate the adductor canal compression syndrome from popliteal entrapment syndrome, which can present similar clinical course [3,4,7,9,10].

Conclusion

Surgical excision of the abnormal fibromuscular band and the angioplasty or bypass of the affected arterial segment with or without the use of venous patch or interposition graft is the treatment of choice. In acute arterial occlusion a catheter directed thrombolysis followed by vascular operation may be performed [3,7].

References

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