Indian Journal of Plastic Surgery
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LETTER TO EDITOR
Year : 2010  |  Volume : 43  |  Issue : 2  |  Page : 228-229
 

An anomalous course of the radial artery: Dissect rather than resect


1 Department of Hand Surgery, Ist-El Microsurgery and Rehabilitation Group, Gaziosmanpasa Hospital, Istanbul, Turkey
2 Department of Plastic and Reconstructive Surgery, Dicle and Istanbul Faculty of Medicine, Diyarbakir and Istanbul, Turkey
3 Department of Plastic and Reconstructive Surgery, Bagcilar Training and Research Hospital, Istanbul, Turkey

Date of Web Publication3-Dec-2010

Correspondence Address:
Samet Vasfi Kuvat
Seyitomer Mah. Emrullah Efendi Sok. No: 60/6 Findikzade 34098 Fatih, Istanbul
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-0358.73474

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How to cite this article:
Mersa B, Ozcelik B, Kuvat SV, Pilanci O. An anomalous course of the radial artery: Dissect rather than resect. Indian J Plast Surg 2010;43:228-9

How to cite this URL:
Mersa B, Ozcelik B, Kuvat SV, Pilanci O. An anomalous course of the radial artery: Dissect rather than resect. Indian J Plast Surg [serial online] 2010 [cited 2019 Apr 20];43:228-9. Available from: http://www.ijps.org/text.asp?2010/43/2/228/73474


Sir,

Carpal tunnel syndrome is the most common entrapment neuropathy. Rare aberrant-bifid tendon, muscle, nerve or arterial anomalies may be the cause of this syndrome. [1] Experienced surgeons do not fail to examine the tunnel for anomalies during the operation. We however came across an extra-tunnel arterial anomaly during one such carpal tunnel decompression.

Carpal tunnel syndrome, bilateral, albeit more severe on the right side, was diagnosed by neurophysiological examinations in a 52-year-old female patient who presented with nocturnal pain, tingling and numbness for the past 2 years. During the carpal release operation performed under axillary anaesthesia with the pneumatic tourniquet, we observed that the radial artery ran superficial to the transverse carpal ligament and turned medially distal to the ligament [Figure 1]. The distal course of the artery could not be visualised due to the limitation of the incision. Intra-tunnel structures appeared normal when the transverse carpal ligament was incised. The advanced dissection could not be done due to the mediolegal problems. After release of the pneumatic tourniquet, the abnormal vascular anatomy was confirmed with examination of the arterial pulse. The arterial pulse was dislocated medially over the snuff box. On the contralateral side, the arterial pulsation was established at the normal anatomical location. The patient refused further investigation such as angiography for complete anatomical course of the artery.
Figure 1 :Intra-operative photograph showing the radial artery passing superficial to the transverse carpal ligament

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The frequency of radial artery anomalies is about 1%. [2] Publications on the radial artery anomalies are usually related to upper level arterial anomalies encountered during dissections carried out for coronary angioplasty or flap surgery. [3] Radial artery anomalies within the carpal tunnel usually present themselves with entrapment neuropathy. These very rare anomalies are usually diagnosed during decompression surgery [1] . However, the anomaly that is presented here was an extra-tunnel anomaly and it is unlikely that an arterial anomaly over the carpal ligament could trigger entrapment neuropathy.

During surgery for scaphoid non-union, Afshar [2] noted an anomalous radial artery that crossed the tendon of the flexor carpi radialis muscle and travelled superficial to the thenar muscles. The anomaly in the present case was similar to this one but it was more on the medial aspect.

Some surgeons prefer local anaesthesia during carpal tunnel decompression. [4] However, in the presence of the anomaly we encountered, infiltration of local anaesthetic agent at the operating site may result in arterial damage.

In conclusion, awareness on the possibility of encountering known intra-tunnel anomalies as well as extra-tunnel anomalies and avoiding local anaesthesia, under the light of these findings, during decompression surgery is important.

 
  References Top

1.Gwynne-Jones DP, Hartnett NI. Aberrant radial artery seen in the carpal tunnel at carpal tunnel decompression: case report. J Hand Surg Am 2008;33:885-7.  Back to cited text no. 1
[PUBMED]  [FULLTEXT]  
2.Afshar A. Anomaly of the radial artery encountered during repair of scaphoid non-union. Injury 2007;38:868-9.  Back to cited text no. 2
[PUBMED]  [FULLTEXT]  
3.Varley I, Wales CJ, Carter LM. The median artery: its potential implications for the radial forearm flap. J Plast Reconstr Aesthet Surg 2008;61:693-5.  Back to cited text no. 3
[PUBMED]  [FULLTEXT]  
4.Dillon JP, Laing A, Hussain M, Macey A. Improved tolerability of open carpal tunnel release under local anaesthetic: a patient satisfaction survey. Arch Orthop Trauma Surg 2008;128:125-7.  Back to cited text no. 4
[PUBMED]  [FULLTEXT]  


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