Table of Contents  
ORIGINAL ARTICLE
Year : 2016  |  Volume : 3  |  Issue : 1  |  Page : 7-10

Brachial artery injury management: Case series


Department of CVTS, Grant Medical College, Mumbai, Maharashtra, India

Date of Web Publication13-Apr-2016

Correspondence Address:
Suraj Wasudeo Nagre
Department of CVTS, Grant Medical College, Mumbai, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-0820.180200

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  Abstract 

We performed this retrospective study to analyze our strategies for managing and surgically treating brachial artery injuries. Twenty patients with traumatic brachial artery injuries underwent surgery at our institution, from May 2013 to January 2016. Fifteen patients were male, and five were female (age range, 20-45 years; mean, 30 years). Twelve of the patients had penetrating injuries (two had stab wounds; two had window glass injuries; and eight had industrial accidents); eight had blunt trauma injuries (traffic accidents). Five patients had a peripheral nerve injury. All patients underwent Doppler ultrasonographic examination. The repair involved end-to-end anastomosis for eight injuries, reverse saphenous vein graft interpositional grafts for eight, and primary repair for four. Venous continuity was achieved in 8 of 12 patients who had major venous injuries. Nine of the twenty patients required primary fasciotomy. Follow-up showed that two of the five patients with peripheral nerve injury had apparent disabilities due to nerve injury. There were no deaths. Good results can be achieved in patients with brachial artery injuries by use of careful physical examination, Doppler ultrasonography, and vascular repair and debridement of nonviable tissues. Traumatic neurologic injury addressed expediently with nerve grafting may reduce the subsequent disability.

Keywords: Brachial artery injury/complications/diagnosis/surgery, computed tomography angiography, peripheral nerves injuries, saphenous vein, thrombosis/etiology


How to cite this article:
Nagre SW. Brachial artery injury management: Case series. Indian J Vasc Endovasc Surg 2016;3:7-10

How to cite this URL:
Nagre SW. Brachial artery injury management: Case series. Indian J Vasc Endovasc Surg [serial online] 2016 [cited 2019 Aug 22];3:7-10. Available from: http://www.indjvascsurg.org/text.asp?2016/3/1/7/180200


  Introduction Top


Traumatic brachial artery injuries constitute a relatively large proportion of peripheral arterial injuries. [1] In recent years, the limb salvage rate has reached nearly 100% because of early transport of patients to the hospital, early diagnosis, increased surgical experience, and developments in the treatment of hypovolemic shock and the use of antibiotic therapy. [2],[3],[4]

We report the results of a retrospective analysis of our strategies for the management and surgical treatment of traumatic brachial artery injuries.


  Patients and Methods Top


Twenty patients with traumatic brachial artery injuries underwent surgery at our institution, from May 2013 to January 2016.

The brachial artery injuries were diagnosed by physical examination, Doppler ultrasonography, and arteriography. The following findings were considered to be signs of arterial injury: Active bleeding, rapidly growing and pulsatile hematoma, pale and cold extremities, absent or very weak distal pulses, associated neurologic deficits, and associated injuries to bony and soft tissues. Decreased Doppler arterial systolic pressures detected on Doppler ultrasonography were considered to be diagnostic for arterial injury. Angiography was performed when the arterial injuries would be difficult to expose surgically and when the presence of arterial injury was problematic to predict.

The indications for fasciotomy were tense compartments, major vein ligation, hypovolemic shock, ischemia lasting more than 6 h, and any motor or sensory deficits. Orthopedic reconstruction was performed after revascularization of the extremity.

Optimal debridement of injured soft tissues was performed, and then injured and bleeding arterial and venous structures were exposed [Figure 1]a and b. Heparin was administered intravenously for systemic anticoagulation before the vessels were occluded proximally and distally with nontraumatic vascular clamps. Fogarty balloon catheters were used routinely for thrombectomy of the distal and proximal segments before final restoration of arterial flow. Distal and proximal segments of the artery were flushed with 0.1% heparin solution to prevent fresh thrombus formation.
Figure 1: (a) Crush injury of the right upper limb by cutting saw. (b) Completely transected brachial artery, vein, and median nerve

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Systemic heparin anticoagulation was administered postoperatively to patients who had severe soft tissue injuries and had undergone venous repair with reverse autologous saphenous vein interposition grafts. All patients received preoperative and postoperative antibiotic therapy due to the high risk of infection related to contamination in penetrating injuries or due to the presence of foreign bodies in the wounds.


  Results Top


Fifteen patients were male, and five were female (age range, 20-45 years; mean, 30 years). Twelve of the patients had penetrating injuries (two had stab wounds; two had window glass injuries; and eight had industrial accidents); eight had blunt trauma injuries (traffic accidents). Five patients had a peripheral nerve injury. Thirty-four (59.6%) were actively bleeding.

Physical examination and Doppler ultrasonography revealed the absence of arterial pulses in 18 patients and weak arterial pulses in two patients. For brachial artery injuries, the average brachial-brachial Doppler pressure index was 0.42 ± 0.08 (range, 0.25-0.5) preoperatively, and 0.88 ± 0.02 (range, 0.8-0.9) postoperatively. Eighteen patients underwent preoperative angiography to confirm the vascular injury.

Repair of the twenty arterial injuries required end-to-end anastomosis for eight of the injuries; reverse, autologous, saphenous vein interposition grafts [Figure 2]a for eight; and primary repair for four. In 12 patients, major venous injuries were associated with arterial injuries. In eight of these patients, venous continuity was restored with saphenous vein interposition grafts [Figure 2]a, end-to-end anastomosis, and primary repair. Four severely injured brachial veins were ligated.
Figure 2: (a) Interposition grafting of the brachial artery, vein by saphenous vein graft and median nerve by sural nerve graft. (b) Fasciotomy of forearm to prevent compartment syndrome

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Two of the twenty patients had injuries to soft tissues and bony structures. Fractures occurred most frequently among patients with blunt trauma. Eight patients (17.5%) had tendinous injuries that were repaired perioperatively by plastic surgeons.

Nine of the twenty patients required primary fasciotomy of the forearm [Figure 2]b. All patients who underwent venous repair procedures or ligation experienced edema in the upper extremity. This edema decreased with an elevation of the extremity and resolved in all patients during the follow-up period (approximately 10-30 days). Five of twenty patients had peripheral nerve injury: Three had injuries to the median and ulnar nerves, one had injuries to the median nerve alone, and one had injuries to the ulnar nerve alone. Two of the five patients with penetrating trauma had nerve injuries that were treated perioperatively by plastic surgeon [Figure 2]a. The remaining three patients with nerve injury underwent electromyography for evaluation of injuries and were followed up in neurosurgery and rehabilitation clinics. During the follow-up period, functional recovery was achieved in 2 of the 3 patients with nerve injury. In the other one patient, disability was clearly evident throughout follow-up. In some cases, plastic surgeon help was taken to close the wound [Figure 3]a and b.
Figure 3: (a) Closure of wound done by a plastic surgeon. (b) Completely healed wound

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Two patients experienced early postoperative thrombosis. In these patients, arterial reperfusion was achieved with embolectomy.

The mean hospitalization period was 10 days (range, 2-20 days). The hospitalization time was longer for the patients who underwent fasciotomy because of the compartmental syndrome, venous repair, musculoskeletal injury, or nerve injury. The average follow-up period was 16 months (range, 6-24 months); follow-up visits were usually necessary for orthopedic or neurologic examinations.


  Discussion Top


The morbidity and mortality rates associated with brachial artery injuries depend on the cause of the injury itself, which vein or tendon is injured, and whether musculoskeletal and nerve injuries are also present.

Patients with obvious clinical symptoms of brachial artery injuries as detected by physical examination and those in whom Doppler ultrasonography demonstrates a substantial difference in pressure between the right and left brachial arteries should undergo surgical repair without further angiographic examination. Doppler ultrasonography of the upper extremity has been shown to be as specific and sensitive as arteriography in detecting brachial artery injuries. [2],[5],[6],[7]] Normally, the average brachial-brachial Doppler pressure index between the two upper extremities is approximately 0.95; it is rarely <0.85. [8] In our patients, this measurement was significantly lower than normal). If uncertainty remains regarding vascular injuries after physical examination and Doppler ultrasonography, angiography may be used to confirm the vascular injury. Eighteen of our patients required preoperative angiography.

Four patients exhibited pulse insufficiency. The pulses of those patients were not palpable on manual examination but were detected on Doppler examination. Surgical exploration revealed the partial injury to the brachial artery. These findings may be explained by collateral flow or by the flow bypassing the partially injured brachial artery. [9]

Thorough tissue debridement must be performed to avoid bacterial infection. After proximal and distal control of the bleeding artery has been achieved, the artery should be explored until the uninjured arterial wall is apparent. Both segments of the brachial artery can be mobilized by ligation of the immediate minor branches; this procedure provides additional length and reduces the tension at the anastomosis.

End-to-end anastomosis is preferable if it can be performed without tension or damage to major collateral vessels. Otherwise, the saphenous vein interposition graft is the next best choice, because it has better patency rates and better resistance to infection compared with synthetic grafts. [4]

Although the rate of thrombosis associated with venous repair ranges from 39% to 59%, the injured major veins must be repaired so that arterial flow can be restored. [10],[11] We were able to restore venous continuity in 8 of 12 patients with major venous injuries.

Three patients had early postoperative thrombosis; arterial reperfusion was achieved in two of these patients by embolectomy.

Compartmental edema or contusion can impair venous drainage and arterial flow and can cause pressure injuries to the nerves. [12],[13] Nine of our patients underwent primary fasciotomy of the forearm, and two had bone fractures. In the patients with musculoskeletal injuries, arterial revascularization was performed before skeletal injury stabilization so that ischemia time could be kept to a minimum.

Neurologic injury continues to destroy the function of the upper extremity even after a successful arterial repair. Major venous injuries, fractures, and widespread tissue destruction may also influence the long-term function of the extremity. [14] Whether primary and secondary nerve repair procedures are helpful is a point of controversy. [15] The rate of functional disability ranges from 27% to 44% when an injury to the upper extremity includes nerve injuries. [16]

In our series, the outcomes of our five patients with nerve injuries were similar to those of patients discussed in other reports. [14],[16] One patient with nerve injury experienced severe, long-term disability. This patient was followed up in neurosurgery and rehabilitation clinics.

During the last 20 years, amputation associated with upper extremity arterial injuries has decreased to a rate of 3.1-3.4% because of advances in the treatment of shock, the use of antibiotic therapy, and increased surgical experience. [16] None of our patients required amputation. None of our patients died.


  Conclusion Top


In an upper extremity that is severely endangered by ischemia, it is essential that arterial and major venous exploration and vascular repair be performed, in conjunction with débridement of damaged tissues, if viability is to be restored. Careful clinical examination, Doppler ultrasonography, and pressure measurements are as important as angiography in the diagnosis of vascular injuries. Traumatic neurologic injury may significantly affect the degree of long-term disability after upper extremity injuries, so it should be repaired primarily by a plastic surgeon.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 
  References Top

1.
Hunt CA, Kingsley JR. Vascular injuries of the upper extremity. South Med J 2000;93:466-8.  Back to cited text no. 1
    
2.
Shanmugam V, Velu RB, Subramaniyan SR, Hussain SA, Sekar N. Management of upper limb arterial injury without angiography - Chennai experience. Injury 2004;35:61-4.  Back to cited text no. 2
    
3.
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4.
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5.
Roberts RM, String ST. Arterial injuries in extremity shotgun wounds: Requisite factors for successful management. Surgery 1984;96:902-8.  Back to cited text no. 5
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6.
Weaver FA, Hood DB, Yellin AE. Vascular injuries of the extremities. In: Rutherford RB, editor. Vascular Surgery. 5 th ed. Philadelphia: WB Saunders; 2000. p. 862-71.  Back to cited text no. 6
    
7.
Meissner M, Paun M, Johansen K. Duplex scanning for arterial trauma. Am J Surg 1991;161:552-5.  Back to cited text no. 7
    
8.
Johnston KW. Upper extremity ischemia. In: Rutherford RB, editor. Vascular Surgery. 5 th ed. Philadelphia: WB Saunders; 2000. p. 1111-39.  Back to cited text no. 8
    
9.
Levin PM, Rich NM, Hutton JE Jr. Collaternal circulation in arterial injuries. Arch Surg 1971;102:392-9.  Back to cited text no. 9
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10.
Timberlake GA, O′Connell RC, Kerstein MD. Venous injury: To repair or ligate, the dilemma. J Vasc Surg 1986;4:553-8.  Back to cited text no. 10
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11.
Rich NM. Principles and indications for primary venous repair. Surgery 1982;91:492-6.  Back to cited text no. 11
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12.
Velmahos GC, Theodorou D, Demetriades D, Chan L, Berne TV, Asensio J, et al. Complications and nonclosure rates of fasciotomy for trauma and related risk factors. World J Surg 1997;21:247-52.  Back to cited text no. 12
    
13.
Williams AB, Luchette FA, Papaconstantinou HT, Lim E, Hurst JM, Johannigman JA, et al. The effect of early versus late fasciotomy in the management of extremity trauma. Surgery 1997;122:861-6.  Back to cited text no. 13
    
14.
Visser PA, Hermreck AS, Pierce GE, Thomas JH, Hardin CA. Prognosis of nerve injuries incurred during acute trauma to peripheral arteries. Am J Surg 1980;140:596-9.  Back to cited text no. 14
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15.
Rich NM, Spencer FC. Vascular Trauma. Philadelphia: WB Saunders; 1978. p. 125-56.  Back to cited text no. 15
    
16.
Hardin WD Jr., O′Connell RC, Adinolfi MF, Kerstein MD. Traumatic arterial injuries of the upper extremity: Determinants of disability. Am J Surg 1985;150:266-70.  Back to cited text no. 16
    


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