|Year : 2018 | Volume
| Issue : 2 | Page : 137-141
Delayed presentation of brachial artery injury following fracture shaft humerus; whether amputate or salvage: A series of two cases
Bhanu Sharma1, Sibashish Metia2, Kavish Kapoor3, Pankaj Poswal4
1 Department of Orthopaedics, Military Hospital, Siliguri, West Bengal, India
2 Department of Surgery, Command Hospital, Kolkata, West Bengal, India
3 Department of Radiodiagnosis, Military Hospital, Siliguri, West Bengal, India
4 Department of Orthopaedics, Military Hospital, Agra, Uttar Pradesh, India
|Date of Web Publication||22-Nov-2018|
Dr. Bhanu Sharma
Department of Orthopaedics, Military Hospital, Bagdogra, Siliguri, West Bengal
Source of Support: None, Conflict of Interest: None
Vascular injury is a complication after humerus fracture that has been associated with shoulder dislocation, fracture proximal, and supracondylar region of the humerus. Combined vascular and bony injuries are diagnosed and referred earlier than 24 h. However, delayed presentation of brachial artery injury after shaft humerus fracture beyond the golden period of 6 h has been little reported. In this series, we aimed at evaluating the likelihood of limb salvage. Case 1, was 24 years old with open fracture that presented after 18 h, managed with fasciotomy with arteriotomy with thrombectomy followed by temporary skeletal stabilization and definitive thereafter. Case 2, was 39 year old with closed fracture, presented after 76 h with digital gangrene in which definitive fracture fixation was first done followed by transbrachial thrombectomy with amputation of digits. Our results were good with minimal morbidity due to joint stiffness, restriction of range of motion, and complications of ischemia.
Keywords: Brachial artery injury, delayed presentation, shaft humerus fracture, upper extremity salvage
|How to cite this article:|
Sharma B, Metia S, Kapoor K, Poswal P. Delayed presentation of brachial artery injury following fracture shaft humerus; whether amputate or salvage: A series of two cases. J Orthop Traumatol Rehabil 2018;10:137-41
|How to cite this URL:|
Sharma B, Metia S, Kapoor K, Poswal P. Delayed presentation of brachial artery injury following fracture shaft humerus; whether amputate or salvage: A series of two cases. J Orthop Traumatol Rehabil [serial online] 2018 [cited 2019 Jun 19];10:137-41. Available from: http://www.jotr.in/text.asp?2018/10/2/137/245988
| Introduction|| |
Incidence of brachial artery (BA) injury is the third most common (20%) arterial injury after the popliteal and femoral artery. The major causes include gunshot, knife, broken glass, and iatrogenic injuries., Noniatrogenic injury includes large proportion of blunt trauma (47%) predominantly caused by motor vehicle accidents. It has been associated with proximal humeral fracture or shoulder dislocation in adults and humeral supracondylar fracture in children. It may also be caused by posterior dislocation of the elbow joint.,,, Arterial injuries from blunt trauma are caused by direct compression or by rapid deceleration which leads to intimal tear since the intima is the least elastic layer of the arterial wall. Therefore, blood dissects under the flap frequently causing thrombosis of the vessels. Reestablishment of arterial flow within 4–6 h after arterial injury minimizes the possibility of acute or permanents ischemia. Cases with bone injuries are diagnosed and referred earlier than 24 h. However, delayed presentation of BA injury after humeral shaft fracture has been little existed in literature worldwide. We report two cases of delayed BA presentation following humerus shaft fracture that was successfully treated and salvaged.
| Case Reports|| |
A 24-year-old male right-handed dominant reported with a history of fall from vehicle after rollover of the same vehicle. He was presented with grossly deformed right arm and bleeding wound, 18 h after sustaining injury. First aid was given at nearby clinic in the form of compression bandage and intravenous fluid. The initial assessment was done as per Advance trauma life support guideline. Trauma computed tomography was promptly obtained which showed no abdominal, thoracic lesions and no head injury. The patient's overall health status was stable. Whole elbow, forearm, and hand were swollen. There was 13–15 cm deep wound over anterior surface of the arm, extended up to mediolateral aspects [Figure 1]a. Biceps muscle was fully and brachialis muscle was partially ruptured. The hand was pink, warm, and well perfused, and oxygen saturation was 80%–85%. There was pain on passive stretching of fingers. Vascular examination revealed absent radial, ulnar, and brachial pulse. Motor and sensory examinations were unremarkable. The standard radiographs revealed left humeral transverse shaft fracture. Gustilo type IIIC injury with compartment syndrome was diagnosed. After informed consent was obtained, the patient was taken to the operating room for debridement of wound, skeletal stabilization, and further assessment for vascular injury. Gross contamination, which included several pieces of grass or other organic material, was removed. The wound was then irrigated with 10 L of isotonic sodium chloride solution. Anterior compartment of the forearm was found tight. Fasciotomy was done and hematoma was removed to relieve pressure on neurovascular bundle [Figure 1]b. BA exploration was then carried out [Figure 1]c. The adventitia was intact with obvious underlying thrombus. Arteriotomy and thrombectomy was done by Fogarty catheter [Figure 1]d. Proximal flow was established and distal embolus was excluded. Radial and median nerve found intact. Skeletal stabilization was established using external fixator [Figure 1]e. End-to-end repair of biceps and brachialis was done. Fasciotomy was left open. At operation, intraoperative low molecular weight heparin (LMWH) 60 mg, deep subcutaneously twice a day, was started. Color Doppler study (CDS) showed biphasic color flow in distal BA, radial and ulnar artery, postoperatively. Subsequently, additional debridements were done and fasciotomy was closed after 1 week. LMWH was continued for 3 weeks then switched to oral aspirin 150 mg/day for 3 month. Split skin grafting was performed after 2 weeks. At 6 weeks all the wounds, pin tracts and split skin grafting found to be healthy. External fixator was replaced by anterograde intramedullary nailing (IMN). The patient was discharged at 8 weeks with the advice of gentle range of motion exercises of the shoulder and elbow. The patient was followed up 3 monthly in outpatient department up to 1 year. The flexion was 0°–80° at the elbow joint. Abduction and forward flexion at the shoulder joint was 0°–80° and 0°–110°, respectively. An inappropriate length of nail left outside at the proximal entry site was responsible for limited abduction in the shoulder joint [Figure 1]f, [Figure 1]g, [Figure 1]h. Humerus fracture showed satisfactory union [Figure 1]i and [Figure 1]j.
|Figure 1: (a) Clinical photograph shows 9 cm transverse open wound involving rupture of the muscles on the proximal 1/3 portion of the arm. (b) Intraoperative photograph showing fasciotomy. (c) Intraoperative photograph showing exploration of the brachial artery. (d) performing thrombectomy with Fogarty catheter. (e) Standard radiograph showing transverse fracture shaft humerus with external fixator in situ. (f), (g), (h) Clinical photographs shows the outcome. (i), (j) Standard radiograph shows bony union with intramedullary nail in situ|
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A 39-year-old male right-handed dominant reported with a history of fall from bike after road traffic accident after 76 h after sustaining injury. He was presented with left arm pain, with blackening of middle and ring finger. Initially, he was managed at nearby hospital in the form of analgesics and POP splinting on the day of the accident. The patient's overall health status was stable. Whole limb examination revealed swelling in the arm, elbow, forearm, and hand. Multiple abrasions were present over the outer aspect of lower arm and elbow. Gangrene was present in middle and ring finger up to metacarpophalangeal joint [Figure 2]a. Tenderness was present over mid-arm. Vascular examination revealed absent radial, ulnar, and brachial pulses. Motor and sensory examinations were unremarkable. The standard radiographs revealed transverse fracture shaft humerus [Figure 2]b. CDS left upper limb showed absent flow in BA [Figure 2]c. Computed tomographic angiography (CTA) was revealed short-segment occlusion of BA with reconstitution of BA distally with collaterals surrounding occluded segment [Figure 2]d. Vascular surgeon consultation was sought and planned to stabilize skeletal injury first with IMN and vascular procedure thereafter. LMWH, 60 mg deep subcutaneously, twice a day was started. A surgical procedure was performed under scalene block anesthesia. The appropriate size nail was driven anterograde over the guide wire without reaming the medullary canal. Proximal interlocking was performed with the assistance of a nail-mounted drill guide. Two interlocking screws were used in order to enhance the stability of the fixation. Distally, one interlocking was performed by the free-hand technique by carrying out a limited dissection through a 5-cm incision to protect the radial nerve. BA was exposed at the elbow, transverse arteriotomy was done, and by Fogarty catheter, two inches organized thrombus was removed [Figure 2]e, [Figure 2]f, [Figure 2]g. Proximal flow was established, distal embolus was excluded by Fogarty embolectomy catheter, and the arteriotomy was closed with 6-0 prolene suture. Gangrenous fingers were left untouched as there was possibility of extension, proximally. CDS showed biphasic color flow in distal BA, radial and ulnar artery, postoperatively. Middle and ring finger amputation through the metacarpophalangeal joint was done 1 week after the vascular procedure. LMWH was continued for 3 weeks then switched to oral aspirin 150 mg/day for 3 months. The patient was discharge at 6 weeks with the advice of gentle range of motion of all joints of diseased limb. The patient was followed up 3 monthly in outpatient department up to 6 months. Mild Volkmann ischemic contracture was appreciated. Abduction and forward flexion at shoulder was 0°–80° d 0°–110°, respectively. There was no limitation of range of motion at the elbow joint [Figure 2]h, [Figure 2]i, [Figure 2]j. Humerus fracture showed satisfactory union.
|Figure 2: (a) Clinical photograph shows digital gangrene of the middle and ring finger. (b) Initial standard radiograph shows transverse fracture shaft humerus. (c) Color Doppler study shows absent flow in the brachial artery. (d) Computed tomographic angiography shows short-segment occlusion of brachial artery with reconstitution of artery distally with collaterals surrounding occluded segment as well as relationship of vascular injury to displaced humerus fracture. (e) Intraoperative photograph shows performing transbrachial thrombectomy. (f) Retrieved thrombus. (g) Postoperative standard radiograph shows fracture shaft humerus with nail in situ. (h),(i),(j) Clinical photographs shows the outcome|
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| Discussion|| |
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.,, In the present study, cases were referred late due to lack of medical centers at nearby. Only two cases of delayed presentation of BA injury with fracture shaft humerus have been described before, similar to case no. 1 [Table 1]. Delay in case 1, was 18 h after injury, and in case 2, it was 76 h which was beyond the “golden period” of 6 h warm ischemic time, proposed by many authors to maximize limb salvage., Reestablishment of arterial flow within this period minimizes the possibility of permanents ischemia, which was developed by case 2 in the form of digital gangrene and subsequently Volkmann ischemic contracture. Although, there is no absolute period beyond which repair is contraindicated. The presence of distal cutaneous gangrene makes the benefits of revascularization questionable, but successful repair may preserve the viable tissue and permit amputation at a lower level. Delay was varied in reported similar studies without sign of permanent ischemia. Both reported cases had CTA confirmed occlusion of BA. We did not perform CTA in Case 1, as urgency the immediate exploration was mandatory based on physical findings and in keeping with previous studies suggesting that upper extremity arterial injury can be managed without angiography in open injuries but helpful in closed trauma.
There is a controversy whether to perform combined, vascular repair followed by bony stabilization or vice versa. Combined soft-tissue coverage of the vascular repair and skeletal fixation helps to reduce the risk of graft infection, false aneurysm formation, or osteomyelitis., A retrospective review of 27 patients, 80% patients with skeletal fixation before revascularization required fasciotomy, whereas 36% patients with revascularization before fixation required fasciotomy, and this difference approached statistical significance (P = 0.10). They concluded that in combined injuries, priority should be given to revascularization before skeletal fixation because of a trend toward lower fasciotomy rates and shorter hospitalization. Revascularization before fracture fixation did not result in iatrogenic disruption of the vascular repair. In BA injury associated with fracture humerus, fixation of bone is mandatory and done before BA repair to protect vascular anastomosis, but whenever signs or ischemia or fixation was delayed >6 h, vascular repair should be done first. We have preferred revascularization first in case 1 and skeletal fixation in case 2. We did fasciotomy in case 1, as compartment syndrome signs were there and did not occur in case 2, hence fasciotomy was not done. Arteriotomy and thrombectomy was done in case 1, as in similar studies and transbrachial thrombectomy was done in case 2 to exclude distal embolus. Secondary thrombosis is the most common vascular injury from blunt trauma as intimal tear can be sustained when the artery is subjected to a significant traction force by direct compression forces over a displaced segment of bone. None of our cases had nerve involvement. BA injury is associated with median nerve injury in 42.88%. This is because that the anatomical course of the median nerve is closely related to the BA. In this series, we aimed at evaluating the likelihood of limb salvage, thus the case 2 was not followed up for a long period to assess the improvement of morbidity. Our results were good with minimal morbidity due to joint stiffness, restriction of range of motion, or complications of ischemia. These results were agreed with other studies.,, We recommend BA repair in delayed presentation following fracture shaft humerus even after the golden time of arterial repair.
Written informed consent was obtained from the patient for publication and accompanying images.
Declaration of patient consent
The authors certify that they have obtained all appropriate patient consent forms. In the form, the patients have given their consent for their images and other clinical information to be reported in the journal. The patients understand that names and initials will not be published and due efforts will be made to conceal identity, but anonymity cannot be guaranteed.
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Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2]