The Coracobrachialis Muscle Flap for Coverage of Exposed Axillary Vessels

Hobar, P. Craig; Rohrich, Rod J.; Mickel, Timothy J.

doi:10.1097/00006534-199005000-00025

Cited by 14 publications

(9 citation statements)

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“…MCN has been studied in several studies, but in most of them, these branches have not been mentioned. The muscle has drawn attention with its potential use for contouring the infraclavicular area (Parry et al, 1988) or covering the axillary vessels specifically in reconstructive postmastectomy operations (Hobar et al, 1990).…”

Section: Discussionmentioning

confidence: 99%

Patterns of motor branching of the musculocutaneous nerve in human fetuses and clinical significance

2011

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The purpose of this morphologic study is to investigate the course and the branching pattern of motor branches of musculocutaneous nerve (MCN) in human fetuses. Twenty upper limbs (10 right, 10 left) of spontaneously aborted formalin-fixed fetuses were dissected under a stereomicroscope to determine motor branches for the biceps brachii and brachialis and the communicating branches between the MCN and median nerve (MN). The MCN entered the proximal and middle part of coracobrachialis in 13/20 and 5/20 of arms, respectively, and the remaining 2/20 did not pierce coracobrachialis. The communication between MCN and MN was observed in 5/20 of the arms and detected only in the distal part of the coracobrachialis. The most frequently observed innervation is the type wherein a single branch to biceps brachii, which bifurcated for supplying the short and long heads (12/20). For the innervation of brachialis, the most frequent type was a single branch from the main trunk of the MCN (15/20). During the dissections, the distance between the acromion and the emerging point of the motor branches was measured. The mean distance between the acromion and the emerging point of the all motor branches for biceps brachii in all types of specimens was 33.8 ± 6.1% of acromion-lateral epicondyle length and for brachialis was 50.6 ± 11.5% of acromion-lateral epicondyle length. The data of the MCN variations in the human fetus may be useful for the clinicians and pediatric surgery.

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Section: Discussionmentioning

confidence: 99%

Patterns of motor branching of the musculocutaneous nerve in human fetuses and clinical significance

2011

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“…A variation in the CBM will mislead the surgeon in locating the axillary nerve during brachial plexus reconstruction. The CBM has been identified as a possible source of musculocutaneous flaps for covering infraclavicular defects specifically in postmastectomy reconstructive patients (Hobar et al, 1990). A variant CBM with distal fascial extension could also be useful as a tissue flap for some types of reconstructive surgery, such as reanimation of the face in cases of facial nerve palsy or after radical mastectomy (Taylor et al, 2003).…”

Section: Discussionmentioning

confidence: 99%

Unusual insertion of the coracobrachialis muscle to the brachial fascia associated with high division of brachial artery

2004

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Anatomical variations of the coracobrachialis muscle (CBM) are common. We detected an abnormal form of the CBM of the left arm during human cadaver dissection. The CBM originated from the tip of the coracoid process of the scapula and divided into muscular and musculo-aponeurotic bellies. The muscular belly inserted into the middle of the anteromedial surface of the humerus, which is the normal anatomic insertion point of the CBM. The musculo-aponeurotic belly inserted into the medial intermuscular septum as well as the brachial fascia, creating a tunnel for the passage of the brachial artery. Inside the tunnel, the brachial artery bifurcated into the radial and ulnar arteries. No abnormality of the CBM, the brachial artery, or the median nerve was detected in the contralateral arm. The phylogenic, ontogenic, functional, and clinical importance of this variant muscle is described. Knowledge of such variations is of considerable importance during invasive and non-invasive investigative procedures or orthopedic, reconstructive, or surgical procedures.

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“…Coracobrachialis has been used as a transposition flap in deformities of infraclavicular and axillary areas and in postmastectomy reconstruction 4,8 .…”

Section: Discussion:-mentioning

confidence: 99%