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Ann Thorac Surg 1997;63:563-566
© 1997 The Society of Thoracic Surgeons


How To Do It

Transmanubrial Osteomuscular Sparing Approach for Apical Chest Tumors

Dominique Grunenwald, MD, Lorenzo Spaggiari, MD

Department of Thoracic Surgery, Institut Mutualiste Montsouris, Paris, France

Accepted for publication September 16, 1996.


    Abstract
 Top
 Footnotes
 Abstract
 Introduction
 Material and Methods
 Comment
 References
 
The transclavicular approach improved the treatment of apical chest tumors. However, removing the internal half of the clavicle and sectioning its muscular insertions led to serious postoperative alterations. We propose a transmanubrial approach, through a manubrial L-shaped transection and first costal cartilage resection, which allows retraction of an osteomuscular flap including but sparing the clavicle and all its muscular insertions. The elevation of the osteomuscular flap affords excellent access to the subclavicular region with safe control and resection of neurovascular outlet structures during the resection of apical chest tumors. Shoulder articulations and stability of the scapular girdle are respected, thus avoiding functional and cosmetic consequences of clavicle resection.


    Introduction
 Top
 Footnotes
 Abstract
 Introduction
 Material and Methods
 Comment
 References
 
Anterior transcervical approach (ATA), described by Cormier in 1970 [1] and subsequently proposed by Dartevelle and colleagues [2], improved the radical treatment of the apical chest tumors, permitting better subclavian vessel control and resection than performed through Paulson's approach, and a safe brachial plexus dissection. However, use of this approach has been associated with deformities. The ATA is performed by resecting the medial half of the clavicle, the insertions of sternomastoid and major pectoral muscles, and sometimes the external branch of the accessory nerve. These osteomuscular resections could lead to serious postoperative alterations in the shoulder mobility and cervical posture, particularly when associated with cervical vertebral resections; moreover, when these resections are associated with extensive chest wall resection, a respiratory insufficiency might develop. With the aim to avoid these deformities and to maintain the advantages of the ATA, we developed a transmanubrial technique that spares the osteomuscular components of the cervical and shoulder articulations and maintains an excellent exposure of thoracic outlet and cervical structures, thus permitting a safe approach to anteriorly situated apical chest tumors.


    Material and Methods
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 Footnotes
 Abstract
 Introduction
 Material and Methods
 Comment
 References
 
Technique
The skin incision is performed through an L-shaped cervicotomy with the upper line on anterior part of sternomastoid as far as the angle of manubrium and two fingers below the clavicle (Fig 1Go). The sternomastoid muscle is dissected along its anterior part from cervical tissue up to internal jugular vein, the major pectoral muscle is spared, and the sternal manubrium is exposed (Fig 2Go). The internal thoracic artery is divided and 25% of the superoexternal part of the manubrium (2 by 2 cm) is sectioned through an L-shaped incision, thus respecting the sternoclavicle articulation; subsequently, the first costal cartilage is resected (Fig 2Go). This permits mobilization of an osteomuscular flap that is progressively elevated by means of a lace around the manubrial "edge" (Fig 3Go). A safe dissection without vascular problems becomes possible, following the posterior part of the clavicle, leaving the subclavian muscle on subclavian vessels. Afterward, starting from the internal jugular vein and Pirogoff confluence, the subclavian vein is carefully dissected from the subclavian muscle. Venous branches must be cautiously divided to mobilize the main venous axis and to expose the phrenic nerve and the anterior scalene muscle. The subclavian artery is then carefully dissected, and the brachial plexus and the posterior part of the first rib are isolated, if necessary (Fig 4Go). At the same time, the laterocervical vascular vessels (carotid arteries) can be controlled; partial manubrial resection and first rib resection permit control of the mediastinal great vessels as well as the superior vena cava and main aortic branches. Moreover, this approach gives excellent access to the anterior part of the C-3 to D-3 vertebral bodies. At the end of the dissection, manubrium osteosynthesis is performed by means of two separate steel threads.



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Fig 1. . L-shaped cervicotomy.

 


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Fig 2. . After the dissection of the sternomastoid muscle, the internal jugular vein is exposed. The major pectoral muscle is spared, and this permits isolation of the first cartilage and the internal thoracic vessels that will be subsequently divided. The figure shows the L-shaped incision on the manubrium and the limit of the first cartilage section.

 


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Fig 3. . After the L-shaped resection of the manubrium and the first cartilage section, the flap is progressively retracted; the dissection follows the posterior part of the clavicle, leaving on the subclavian vessels part of the subclavian muscle, which becomes an optimal dissection plane.

 


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Fig 4. . Exposure obtained through the transmanubrial osteomuscular sparing approach. A lace around the manubrial edge is used to elevate the flap. Starting from the venous confluent, the subclavian vein is mobilized; subsequently, the scalene muscle is sectioned and the subclavian artery and related branches are progressively controlled. At this point, all thoracic structures can be safely controlled and, when necessary, resected.

 
Patients
From March 1990 to March 1996, we operated on 20 patients for apical chest tumors using the classic ATA; in 14 patients we observed postural and aesthetic defects that were serious in 8 patients. In 6 patients we tried to reinstall the clavicle by Sherman's plate and with manubrial articulation by a steel thread, or a Sherman's plate, or a screw. These attempts led to a shoulder arthrodesis or to a clavicle instability; besides, the reimplantation of the clavicle improved the stability of the scapular girdle, but the consequences of the muscular sections remained unchanged.

From March to July 1996, 6 patients were operated on for apical chest tumor using the TMA. Table 1Go reports the main characteristics of these patients and of 2 additional patients who underwent TMA but for different pathologies.


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Table 1. . Main Characteristics of Patients Who Underwent Transmanubrial Approach
 
No wound or bony infections were observed; all patients had an early postoperative shoulder mobilization without functional problems. At discharge, no difficulties in maintaining stability after fixation of the resected piece and contralateral part of the manubrium and no aesthetic alteration of the superior aspect of the sternum were observed. All patients had a complete stabilization of the shoulder articulation, and none showed cervical defects. Three patients have been already followed up, and no signs of shoulder instability of manubrial pseudoarthrosis were observed. Aesthetic results were excellent (Fig 5Go).



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Fig 5. . Patient at discharge. No postoperative alterations in the shoulder mobility were observed. This patient was operated on for lung cancer. He underwent transmanubrial approach with first and second rib resections, posterolateral thoracotomy with pneumonectomy, and laparotomy for omentoplasty.

 

    Comment
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 Footnotes
 Abstract
 Introduction
 Material and Methods
 Comment
 References
 
At present, different anterior approaches for apical chest tumors have been proposed; ATA, proximal extended median sternotomy, and hemi-clamshell approaches have advantages and disadvantages, and all are worthwhile. Extended cervicosternothoracotomy, described by Masaoka and colleagues [3], and the hemi-clamshell technique described by Bains and colleagues [4] have some disadvantages. First, it is a difficult posterior dissection in the case of chest wall and vertebral invasion, and second, there is the possibility of a flail chest developing with important repercussions in the patient's respiratory function.

Until now, our surgical attitude for the apical chest tumor has been to combine anterior and posterior approaches. We believe that the double approach allows safe control and resection of thoracic outlet structures, of pulmonary hilar elements, and of the posterior thoracic wall (invaded ribs and vertebral transverse processes), along with extended lymph node dissection (ie, laterocervical, subcarinal, and inferior pulmonary vein) [5]. As previously described, when vertebral bodies are invaded, we add a third posterior midline approach [6].

The present transmanubrial approach provides the same surgical advantages as the anterior transclavicular approach, avoiding its functional and aesthetic disadvantages that limited the acceptance and the worldwide diffusion of the ATA for apical chest tumors. The transmanubrial approach affords excellent exposure of the apex of the lung and safe control and resection of thoracic outlet structures, leaving in situ the clavicle without muscular sacrifice and maintaining full shoulder girdle movement with important early and long-term postural advantages associated with excellent aesthetic results (see Fig 5Go).


    Footnotes
 Top
 Footnotes
 Abstract
 Introduction
 Material and Methods
 Comment
 References
 
Address reprint requests to Dr Grunenwald, Department of Thoracic Surgery, Institut Mutualiste Montsouris, 6, place de Port au Prince, 75013 Paris, France.


    References
 Top
 Footnotes
 Abstract
 Introduction
 Material and Methods
 Comment
 References
 

  1. Cormier JM. Voie d'abord: abord de l'artère sous-clavière. In: Patel J, Léger L, eds. Nouveau traité de technique chirurgicale. Tome V. Paris: Masson et Cie, 1970:107–40.
  2. Dartevelle PG, Chapelier AR, Macchiarini P, et al. Anterior transcervical-thoracic approach for radical resection of lung tumors invading the thoracic inlet. J Thorac Cardiovasc Surg 1993;105:1025–34.[Abstract]
  3. Masaoka A, Ito Y, Yasumitsu T. Anterior approach for tumor of the superior sulcus. J Thorac Cardiovasc Surg 1979;78:413–5.[Abstract]
  4. Bains MS, Ginsberg RJ, Jones WGH, et al. The clamshell incision: an improved approach to bilateral pulmonary and mediastinal tumor. Ann Thorac Surg 1994;58:30–3.[Abstract/Free Full Text]
  5. Grunenwald D, Mazel C, Baldeyrou P, Girard P. En bloc resection of lung cancer invading the spine. Ann Thorac Surg 1996;61:1878–9.[Free Full Text]
  6. Grunenwald D, Mazel C, Girard P, Berthiot G, Dromer C, Baldeyrou P. Total vertebrectomy for en bloc resection of lung cancer invading the spine. Ann Thorac Surg 1996;61:723–6.[Abstract/Free Full Text]



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