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Delayed cephalic arch rupture following balloon angioplasty
Egyptian Journal of Radiology and Nuclear Medicine volume 52, Article number: 199 (2021)
Vascular access care comes with its substantial cost that include but not limited to poor blood flow during dialysis, stenosis throughout the dialysis circuits, aneurysmal dilatation, clots formation and complete thrombosis. Acute cephalic arch rupture is not that uncommon but delayed rupture is rare presentation that was not discussed previously.
We describe a case of a 70-year-old female with end-stage renal disease (ESRD) undergoing a fistulogram and angioplasty of cephalic arch stenosis that resulted in a small vessel rupture that was successfully treated with prolonged balloon inflation initially. Unfortunately, this was complicated with massive venous rupture after initiating hemodialysis. The diseased segment was successfully treated with covered stent placement. This paper review and discuss cephalic arch stenosis, clinical presentation, and available initial and bailout treatment strategies.
Primary management of cephalic arch rupture is a prolong-low pressure balloon angioplasty, with covered stent across the site of extravasation if persisted. This case depicted a delayed vascular rupture following hemodialysis in patient with previously controlled extravasation that necessities covered stent placement. No data in the literature suggested the time that is required to avoid dialysis and improve healing.
Kidney transplantation is the ideal scenario in management of patient with end stage renal disease (ESRD), however hemodialysis and peritoneal dialysis are interim strategy while waiting for transplantation. In term of fistula creation, radiocephalic fistula is the favored primary site followed by brachiocephalic fistula . Vascular access care comes with its substantial cost that include but not limited to poor blood flow during dialysis, stenosis throughout the dialysis circuits, aneurysmal dilatation, clots formation and complete thrombosis. Cephalic vein stenosis is one of those challenges that can be seen on doppler ultrasound study or fistulogram.
Acute cephalic arch rupture is not that uncommon but delayed rupture is rare presentation that was not discussed previously. We describe a case of a 70-year-old female with ESRD undergoing a fistulogram and angioplasty of cephalic arch stenosis that resulted in a small vessel rupture that was successfully treated with prolonged balloon inflation initially. Unfortunately, this was complicated with massive venous rupture after initiating hemodialysis. The diseased segment was successfully treated with covered stent placement. This paper review and discuss cephalic arch stenosis, clinical presentation, and available initial and bailout treatment strategies.
A 70-year-old female on hemodialysis via left brachiocephalic fistula created four years back. The patient had thrombosed and dysfunctional fistula, which was treated with mechanical thrombectomy and balloon angioplasty of the cephalic vein in an outside health care center. The fistula was complicated by minor extravasation at the cephalic arch, which was well managed with balloon tamponade.
In the following day, she returned to the dialysis center and underwent a hemodialysis session at the same access site. Shortly after the dialysis, she started to developed chest wall pain and swelling. Patient transferred to the emergency department; urgent complete blood count depicted a marked drop in the hemoglobin level 7 gm/dl (baseline 10 gm/dl). The cephalic vein was completely thrombosed with a patent brachial artery on ultrasound. Then, a fistulogram was done right away.
A venous 5F sheath (Terumo Medical, Japan) was initially inserted, and a fistulogram revealed long segment thrombosis of the cephalic vein. massive contrast extravasation at the level of previously treated segment with multiple clots proximally was seen after contrast injection close to the arch (Fig. 1). Many attempts to cross the rupture from the same access were unsuccessful. As a result, a through-and-through access was achieved using a femoral access, an angled tip catheter, and wire access to the cephalic vein, which was snared using a snare kit device (Argon Medical, USA).
An attempt for a prolonged low-pressure balloon angioplasty using 8 mm balloon (Armada, Abbott, USA) that was inflated to burst pressure for 2 min then 5 min were not successful, therefore a decision was made to place two 8 mm × 8 cm covered stent (Viabahn, Gore Medical, USA) to seal the perforation site as the first stent did not seal the perforation completely. No attempt was done for declotting as the patient condition was not permissible, however a temporary tunneled dialysis catheter (Bard Medical, USA) via right jugular access. She was placed on aspirin; however, since the patient had just recovered from a major bleeding attack, adding another anticoagulant was not an option.
After the patient has been stabilized, and one-week later, fistulogram showed intact cephalic arch with complete resolution spontaneously of previously seen clots throughout the fistula (Fig. 2).
Cephalic vein stenosis is a well-known outcome for dysfunctional brachiocephalic arteriovenous fistulas particularly in the most central portion 1mainly due to mechanical stresses that can result in intimal and medial hyperplasia [2, 3]. Distinctive signs for outflow stenosis consist of slow flow rate, prolonged bleeding and access thrombosis and clots . Standard treatment for such is balloon angioplasty with lower patency rate of 23% at 1 year, and its major complication is vessel rupture at rate of 0.5% . Other possible treatments include covered stent graft placement and surgical transposition of the cephalic vein .
It is noted that the rate for venous rupture reach up to 15% at the level of the cephalic arch in comparison to less than 3% in the other sites in the dialysis circuits [6, 7]. Such complication usually treated with prolonged low pressure balloon inflation (3–5 min, with no data to support specific timing) that can be repeated couple times, if persisted, covered stent placement is the choice during the same session [8,9,10]. If there is difficulty in crossing the extravasation, vein ligation or coil embolization may be required to control the bleeding [10, 11].
There is no data on post angioplasty management for those patients. There are two options that may arise. One, if the patient treated with covered stent, then resuming dialysis immediately has no issue. Two, if the patient is treated with balloon angioplasty, then we advocate to postpone dialysis via the fistula for 1–2 sessions to facilitate endothelial healing, repeat venogram to reassess the previous site of extravasation. If there is concern for incomplete healing then interventionist has the choice either to angioplasty, stent, or abandon the access if it is not salvageable while maintaining dialysis via another access like temporary or tunneled dialysis access.
Primary management of cephalic arch rupture is a prolonged-low pressure balloon angioplasty, with covered stent across the site of extravasation if persisted. This case depicted a delayed vascular rupture following hemodialysis in patient with previously controlled extravasation that necessities covered stent placement. No data in the literature suggested the time required to avoid dialysis and improve healing.
End-stage renal disease
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Algharras, A. Delayed cephalic arch rupture following balloon angioplasty. Egypt J Radiol Nucl Med 52, 199 (2021). https://doi.org/10.1186/s43055-021-00583-1
- Cephalic arch
- Venous rupture
- Vessel rupture