Page 53 - World Association of Laparoscopic Surgeons - Journal
P. 53

Atul Soni et al

          Vasospastic Disease                                 seeding at the entry site and death. 7,11-14  It is difficult to
                                                              summarize the overall complication rate because it depends
          Thoracoscopic sympathectomies are performed using either
                                                              on the indication, type of anesthesia, equipment, patient
          electrocautery, dissection, or excision in patients with
          Raynaud’s syndrome, causalgia or essential hyperhydrosis. 30  population and experience of the operator.
                                                                 The incidence of subcutaneous emphysema with
          Exposure is usually through the anterior chest wall, and                              28-30
          procedures can be performed bilaterally at a single setting. 31  thoracoscopy ranges from 0.5 to 7%.  The risk of
                                                              infection appears to be low, with only 5 (0.5%) infections
          Bullectomy and Lung Volume Reduction Surgery        recorded in a collected series of 1,145 patients. 10
                                                              Postoperative fevers were reported in 16% and persistent
          Thoracoscopy is an accepted modality for lung volume
                                                              air leak in only 2% of 817 simple rigid thoracoscopies. 14
          reduction surgery, with results that appear similar to those
          obtained after median sternotomy. 34  Endoscopic stapling  In a retrospective series of 121 diagnostic thoracoscopies
                                                                                                     9
                                                              performed under general anesthesia, Page et al  reported a
          can be performed with or without buttressing staple lines.
                                                              total complication rate of 9.1% (predominantly respiratory).
          Results of bilateral procedures appear better than unilateral
                                                              In a prospective study of 102 diagnostic thoracoscopies
          procedures, and costs are often less than with median
          sternotomy. 35  Although improvements in pulmonary  performed under local anesthesia, Menzies and
                                                              Charbonneau 2  reported 5.5% minor and 1.9% major
          function, exercise performance, and quality of life have been                          68
          noted, 36  FEV  often deteriorates toward baseline prelung  complication rates. Kaiser and Bavaria  reported and
                     1
          resection values within 2 years. The role of thoracoscopy  overall 10% incidence of complications in their series of
                                                              266 various thoracoscopies.
          vs median sternotomy for bilateral lung volume reduction
          surgery is currently being evaluated in various trials.  Morbidity from thoracoscopic talc poudrage is minimal.
                                                              Lange et al 69  studied patients 22 to 35 years after tale
          Chest Trauma                                        poudrage for spontaneous pneumothorax and found only a
                                                              minimal restrictive pulmonary impairment. Fever (16%) and
          Thoracoscopy provides an effective and safe modality by
                                                                                                    55
                                                              pain (9%) are other minor side effects from talc.  Additional
          which to initially evaluate and often manage stable patients
          with blunt or penetrating chest trauma. 37  Diaphragmatic  complications, such as ARDS or acute pneumonitis (after
                                                              high-dose intrapleural talc suspension rather than talc
          injury, hemothorax, and lung parenchymal lacerations can
                                                              insufflation) have been reported, but are extremely rare. 70,71
          be treated, although difficulties associated with active
                                                              Caution must be exercised in performing talc poudrage in
          bleeding, suboptimal single-lung ventilation, or intense
                                                              the young patient, especially in potential lung transplant
          pleural inflammation should prompt conversion to an open
                                                              candidates, because the obliterative pleuritis and resultant
          thoracotomy.
                                                              fibrosis will complicate future thoracotomy.
          Cardiovascular Disease
                                                              Mortality
          Thoracoscopy can be used for ligation of a patient ductus
                                                                        72
                   38
          arteriosus,  as well as to harvest internal thoracic artery in  Boutin et al  reviewed 4,300 simple rigid thoracoscopies
          patients undergoing coronary bypass grafting.   39  (mostly diagnostic) and reported a mortality rate of less than
                                                                         9
          A significant reduction in postoperative pain has been  1%. Page et al  reported 1 (0.7%) perioperative death among
                                                                                      10
          described, attributed to the absence of rigorous chest  their 121 patients. Ohri et al  had 5 of 100 (5%) patients
          retractions. It is likely that many other applications for  die postoperatively (mean age, 68 years). The VATS study
          thoracoscopy-assisted cardiovascular surgery will emerge.  group reported 38 (2.5%) deaths among their various 1,820
                                                              interventional cases performed at more than 40 institutions.
          LIMITATIONS/ COMPLICATIONS AND                      No patient died intraoperatively in this collected series.
          FUTURE DIRECTIONS                                   Overall, perioperative mortality rates for thoracoscopy range
          The thoracoscopic approach to a variety of diagnostic and  from 0 to 9%. 2,7,1-11,14,73-75,82
          therapeutic problems has few limitations other than a need
                                                              CONTROVERSIES IN THORACOSCOPY
          to demonstrate safety and cost-effectiveness compared with
          more conventional approaches.                       Who should perform thoracoscopy, pulmonologists or
                                                              thoracic surgeons—is a primary topic of debate.
          Morbidity
                                                              Thoracoscopy can be performed by a pulmonologist under
          Known complications of thoracoscopy include bleeding,  local/regional anesthesia (medical thoracoscopy) or by a
          empyema, wound infection, prolonged air leak, tumor  thoracic surgeon under general anesthesia (video-assisted

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