Pleuropulmonary complications following major surgery (thoracic surgery excluded).
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Thoracic surgery is performed in dogs and cats for many reasons. Because it is performed less frequently than surgery on other body regions, and because the pathophysiologic effects of thoracotomy are life threatening, a good understanding of the principles of thoracic surgery is essential to success.
Thoracic surgery creates a different environment from abdominal surgery in respect to the surgical procedure with pulmonary collapse under unilateral ventilation. Definitive evidence whether surgical trauma during thoracotomy is involved in postoperative pulmonary infections has not been clearly demonstrated. The objectives of this study were to evaluate the influence of surgical trauma during thoracotomy on postoperative infections and to investigate the clinical significance of postoperative humoral mediators in pulmonary infections after surgery. We measured serum interleukin-6 (IL-6), IL-8, hepatocyte growth factor (HGF), and nitric oxide (NO) levels in 27 patients undergoing thoracic surgery; the measurements were before and during thoracotomy, 60 minutes after reinflation, and after surgery. The patients were divided into three groups: lobectomy patients (group A), and esophagectomy patients without (group B) or with (group C) postoperative infections. The serum IL-6 and IL-8 levels in group C were markedly elevated 60 minutes after reinflation and were significantly higher than those in group A. The serum IL-8 levels during that period in group C were significantly higher than those in group B. The postoperative serum IL-6, IL-8, HGF, and NO levels were significantly higher in group c than in group B. Taken together, intraoperative hypercytokinemia, especially IL-8, following the thoracic procedure and subsequent reinflation preceded the clinical onset of postoperative infections. Hence postoperative serum IL-6, IL-8, and HGF levels may be useful predictors of infection after esophagectomy.
Thoracic epidural fentanyl has been used successfully for postoperative analgesia in patients undergoing thoracic surgery. Prior investigators have suggested that increasing the administered dosage and volume of lumbar epidural fentanyl may increase the spread of analgesia. The feasibility of injecting a high volume (20 mL) of fentanyl into the lumbar epidural space for post-thoracic surgery analgesia was studied in 17 patients undergoing elective thoracotomy or sternotomy. All patients had a lumbar epidural catheter placed before induction of general anesthesia. No narcotic was administered during surgery. Thirty minutes before the conclusion of anesthesia, 200 micrograms of fentanyl in 16 mL of 0.9% saline was administered via the epidural route. In the intensive care unit (ICU), additional fentanyl in the same dosage and volume was injected when the patient complained of pain. Pain was scored on a linear analog scale pre-injection and 30 minutes post-injection. Arterial blood gases were obtained simultaneously. All patients experienced pain relief within 15 minutes of injection. No significant respiratory depression or hypercarbia was noted. Lumbar epidural fentanyl is a safe and practical alternative to thoracic epidural analgesia in the post-thoracic surgical patient.
Studies published in the English-language literature on the use of prophylactic systemic antibiotics in vascular surgery, noncardiovascular thoracic surgery, mastectomy, and herniorrhaphy were reviewed. The effectiveness of antibiotic prophylaxis in preventing deep and superficial wound infections in peripheral vascular surgery appears to be well documented, especially if prophylaxis is directed against Staphylococcus aureus. In clean thoracic surgery the evidence is equivocal, and no studies have sufficient statistical power to eliminate the possibility even of a 50% reduction in incidence. In herniorrhaphy and mastectomy some evidence from a much more powerful study suggests that antibiotic prophylaxis may result in a decrease of up to 50% in wound infections, but whether these data can be generalized uncritically to all clean wounds is still a matter of debate. Accordingly, only guarded recommendations can be made regarding the use of prophylactic antibiotics in procedures associated with a very low risk of serious infection.
BACKGROUND: Applications to cardiothoracic surgery training programs have declined. Anecdotal evidence suggests limited job availability for residents completing cardiothoracic training, which may contribute to this decline. This survey sought to document the experience of current, graduating residents. METHODS: In June 2003, the Thoracic Surgery Residents Association surveyed residents completing accredited cardiothoracic training or additional subspecialization, utilizing a web-based survey hosted by CTSNet. Resident participation was voluntary and anonymous. RESULTS: Of the estimated 140 graduates, 89 responded. The majority were male (91.0%, n = 81), married (80.0%, n = 71), and had children (61.0%, n = 54). Average age was 36.2 years old, and mean educational debt was less than 50K dollars. Of the 89 respondents, 77 initially sought jobs and 12 sought additional training. For residents seeking jobs, 19.5% (n = 15) received no offers and 13 of these ultimately pursued additional training. Acquired jobs were in private (53.0%, n = 34) or academic practice (47.0%, n = 30), with 73.4% (n = 47) involving general thoracic surgery. Most would again choose cardiothoracic surgery as a career (75.5%, n = 67), and 62.0% (n = 55) would again submit the same match list. However, 87.0% (n = 77) believed that the number of trainees should be decreased, 81.0% (n = 72) believed that reimbursement for cardiothoracic surgery is inadequate, and 77.5% (n = 69) believed that excessively low reimbursement will result in restricted access or decreased quality for patients. CONCLUSIONS: Most cardiothoracic residents were successful in finding employment after training. A substantial percentage, however, pursued additional training due to lack of job opportunities. Although most finishing residents were satisfied with training and career choice, significant concerns exist regarding job opportunities and compensation. These conditions may lead to difficulty in recruitment to the specialty.
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To determine demographics, practice patterns, and work volume of North American thoracic surgeons, we sent a detailed survey to all members of The American Association for Thoracic Surgery and The Society of Thoracic Surgeons between January and May 1993 to determine data for 1992; 3049 of 3487 (87%) thoracic surgeons responded and 2677 (88%) were in active practice. Ninety-seven percent were male and 3% female, with a mean age of 52 years. Sixty-five percent considered fee-for-service as their primary compensation mode. Only 24% do isolated subspecialty work: 2% pediatric cardiac surgery. 10% general thoracic surgery, and 12% adult cardiac surgery. Seventy-six percent of respondents do both cardiac and thoracic operations. Workload data for adult cardiac, pediatric cardiac, general thoracic, peripheral vascular, and pacemaker operations were requested. Volume data were cross-correlated with age, 10 geographic regions including Canada, type of practice, and type of compensation and were cross-checked by hospital discharge data for 1992. These data were compared with data from similar surveys performed in 1976, 1980, and 1985, under the auspices of the same two societies; these latter surveys used diplomates of the American Board of Thoracic Surgery as their database. Workloads have increased over previous surveys. Most surgeons do a wide variety of thoracic operations, and exclusive designations are in the minority.
Thoracic procedures are considered to be among the most painful surgical incisions and are associated with considerable postoperative pain and shoulder dysfunction, severely affecting mobility and activities of daily living. Improper patient positioning, muscle division, perioperative nerve injury, rib spreading, and consequent postoperative pain influence the patient's postoperative shoulder function and quality of life. To reduce access trauma and postoperative morbidity, various alternative modalities have been proposed to replace the standard PLT, including muscle-sparing techniques and VATS. Initial evaluations suggest that these alternatives are associated with significantly better postoperative shoulder function. Proper comparative studies using standardized questionnaires, objective evaluations, or quality-of-life assessments are scarce, however. Proper postoperative care, including early mobilization and effective physiotherapy, is a cornerstone in successful patient rehabilitation and rapid return to normal daily activities. Whether upper extremity exercises can contribute to improvement in postoperative shoulder function and the ability to perform activities of daily living needs to be studied further.
Responding to a survey about their practice in 1985, 2,969 (70%) Board-certified thoracic surgeons provided data that were compared with data from manpower surveys in 1980 and 1976. (table; see text) Thoracic surgeons were most active between ages 35 and 54 years when they accomplished 61% of all general thoracic and 85% of cardiac operations. Surgeons older than 50 years performed significantly more general thoracic operations than younger surgeons, and the younger group performed significantly more cardiac operations than their older counterparts. Solo practice continued to decline. In smaller referral areas, the number of general thoracic procedures per surgeon increased, but the number of cardiac operations have decreased compared with 1980. Overall, general thoracic and cardiac operations increased, but peripheral vascular procedures and pacemaker insertions decreased in almost all nine census regions. Fewer general thoracic and cardiac operations were performed per thoracic surgeon in the western United States than in central and eastern regions. In response to questions about work load, 55% believed that their clinical activity was satisfactory, 42% operated too little, and 3% operated too much. The 363 non-Thoracic Board-certified surgeons who responded performed 14% of general thoracic and 8% of cardiac surgery in 1985. During the first half of the 1980s, our specialty certified an average of 134 thoracic surgeons annually, which is higher than the 120 surgeons per year estimated to meet the projected demand.
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BACKGROUND: Breast and chest wall disfiguration attributable to a funnel chest is an aesthetically and sometimes functionally debilitating deformity requiring surgical correction. Whereas extensive and combined deformities of the ventral chest wall are classically corrected using a so-called minimally invasive repair of the pectus excavatum, a modified Ravitch repair, or the minimized Erlangen repair, plastic surgeons are mostly challenged with alloplastic implant corrections of mild funnel chests. The authors have introduced an endoscopic method for placement of customized implants to restore the visible and nonfunctionally disturbing deformation of mild funnel chests when only the sternal plate is involved. This study compared these different plastic surgical and thoracic surgical approaches in a multicenter experience to develop a clinical algorithm and to identify those patients not requiring bony correction but rather alloplastic endoscopic implant correction alone. METHODS: Patients with deformed rib cages and sternal plates were treated with the Erlangen minimally invasive procedure or a modified Ravitch procedure. For deformities involving the sternal bones only, endoscopically assisted minimally invasive implantation of silastic implants was performed. RESULTS: Between 1987 and 2003, 599 patients with a pectus excavatum deformity were treated surgically by the authors' group. Between 1999 and 2003, 515 patients underwent surgery using the Erlangen minimally invasive repair technique at Friedrich-Alexander University-Erlangen. In addition, 84 patients underwent surgery at the Freiburg University Medical Center. In the current series, 79 patients underwent surgery using the modified Ravitch method. The mean patient age was 20.5 years (range, 3-54 years), and the rate of postoperative relapses was 5%. The findings showed that 73% of the patients judged the aesthetic result as excellent to good, and 20% were satisfied. In contrast, only five patients were suitable for soft tissue augmentation only. Two of these patients in the initial period received custom implants presternally via classical transverse skin incisions, whereas three patients were treated with endoscopic customized implant tissue augmentation. CONCLUSION: Whereas with combined deformity of the sternal plate and the rib cage, a modified Ravitch repair yields good results, the endoscopic soft tissue correction with customized implants helps to avoid unsightly scars, allows for safe hemostasis in the dissection pocket, and leads to enhanced patient satisfaction. In the case of major chest wall deformity with orthopedic and functional relevance, a combination of the minimally invasive procedures (e.g., endoscopic correction and Erlangen repair) seems to show both optimized cosmetic results and maximized functionality.
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BACKGROUND: Thoracic surgery is associated with a high morbidity and mortality rate in the elderly patient population. Appropriate management of thoracic diseases is often avoided because of the inherent risks associated with the access thoracotomy. The purpose of this study was to evaluate the perioperative outcomes of octogenarians who underwent video-assisted thoracic surgery (VATS) for a variety of thoracic conditions. METHODS: A retrospective chart review was done on all patients who were between 80 and 90 years of age and underwent elective VATS between January 1995 and August 2001. RESULTS: A total of 162 consecutive VATS procedures were performed in 157 patients. Comorbid conditions consistent with their advanced age included chronic obstructive pulmonary disease, hypertension, coronary artery disease, and diabetes. The procedures included 96 lung resections (53 lobectomies, 42 wedge/segment resections), 46 pleurectomies, 8 decortications, 8 mediastinal biopsies, 3 pericardial windows, and 1 drainage of hemothorax. The pathology included 76 primary lung cancers, 35 metastatic diseases, 37 benign conditions, 9 nesotheliomas, and 3 carcinoid tumors. The average operative time and length of hospital stay after surgery were 51 min and 2.6 days, respectively. There were 3 (1.9%) mortalities, 2 from cardiac complications and 1 from pneumonia. Two (1.2%) patients required reexploration for bleeding. Four (2.5%) cases were converted to open thoracotomy thirteen (8.0%) cases had an air leak, of which 11 were managed on an outpatient basis with a Heimlich valve. They were discharged from the hospital an average of 3.3 days postoperatively. CONCLUSION: With VATS, surgical therapy can be offered to octogenarians with a low morbidity and mortality rate, as well as a short hospital stay.
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