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PubMed1999

Leukocyte infiltration and secretion of cytokines in pleural drainage fluid after thoracic surgery: impaired cytokine response in malignancy and postoperative complications.

STUDY OBJECTIVE: To assess the postoperative course of pleural leukocyte counts and cytokine concentrations in patients with malignant and nonmalignant lung disease who underwent thoracic surgery. PATIENTS AND INTERVENTIONS: A total of 21 patients undergoing thoracic surgery were included in the study. Twelve patients had a malignant disease, and 9 had a nonmalignant disease. Six patients underwent video-assisted thoracoscopy and 15 underwent thoracotomy. Pleural drainage fluid from the chest tubes was collected postoperatively at Oh, 3h, 6h, 12h, 24h, 48h, 72h, and 96 h. The same schedule, as well as one additional preoperative sample, was applied for blood collections. RESULTS: A trend toward lower concentrations of tumor necrosis factor-alpha (TNF-alpha), granulocytemacrophage colony-stimulating factor, and interleukin-10 was observed in patients with malignant disease compared to those without malignancy. These differences achieved significance for TNF-alpha in the drainage fluid of those patients with nonmalignant disease who had undergone formal thoracotomy. Patients with malignant disease showed significantly lower macrophage fractions in drainage fluid and lymphocyte fractions in serum. All patients with complications had malignant disease and showed the lowest cytokine concentrations, as well as the lowest fractions of both macrophages in drainage fluid and lymphocytes in serum. CONCLUSION: The data suggest that malignancy may lead to impairment of the wound-healing process via modification of the inflammatory cell infiltrate and locally released cytokines.

Adult↗
PubMed1999

Lung function 4 years after lung volume reduction surgery for emphysema.

STUDY OBJECTIVES: Current data for patients > 2 years after lung volume reduction surgery (LVRS) for emphysema is limited. This prospective study evaluates pre-LVRS baseline data and provides long-term results in 26 patients. INTERVENTION: Bilateral targeted upper lobe stapled LVRS using video thoracoscopy was performed in 26 symptomatic patients (18 men) aged 67 +/- 6 years (mean +/- SD) with severe and heterogenous distribution of emphysema on lung CT. Lung function studies were measured before and up to 4 years after LVRS unless death intervened. RESULTS: No patients were lost to follow-up. Baseline FEV(1) was 0.7 +/- 0.2 L, 29 +/- 10% predicted; FVC, 2.1 +/- 0.6 L, 58 +/- 14% predicted (mean +/- SD); maximum oxygen consumption, 5.7 +/- 3.8 mL/min/kg (normal, > 18 mL/min/kg); dyspneic class > or = 3 (able to walk < or = 100 yards) and oxygen dependence part- or full-time in 18 patients. Following LVRS, mortality due to respiratory failure at 1, 2, 3, and 4 years was 4%, 19%, 31%, and 46%, respectively. At 1, 2, 3, and 4 years after LVRS, an increase above baseline for FEV(1) > 200 mL and/or FVC > 400 mL was noted in 73%, 46%, 35%, and 27% of patients, respectively; a decrease in dyspnea grade > or = 1 in 88%, 69%, 46%, and 27% of patients, respectively; and elimination of oxygen dependence in 78%, 50%, 33%, and 22% of patients, respectively. The mechanism for expiratory airflow improvement was accounted for by the increase in both lung elastic recoil and small airway intraluminal caliber and reduction in hyperinflation. Only FVC and vital capacity (VC) of all preoperative lung function studies could identify the 9 patients with significant physiologic improvement at > 3 years after LVRS, respectively, from 10 patients who responded < or = 2 years and died within 4 years (p < 0.01). CONCLUSIONS: Bilateral LVRS provides clinical and physiologic improvement for > 3 years in 9 of 26 patients with emphysema primarily due to both increased lung elastic recoil and small airway caliber and decreased hyperinflation. The 9 patients had VC and FVC greater at baseline (p < 0.01) when compared to 10 short-term responders who died < 4 years after LVRS.

Aged↗
PubMed1999

Surgical treatment of mesothelioma: pleurectomy.

Malignant diffuse mesothelioma is the most common type of mesothelioma, with a median survival ranging from 8.5 to 18 months after diagnosis. Good performance status, absence of chest pain, age < 50 years, and epithelial histology are all associated with improved survival. Several investigators have described staging systems for this tumor and have emphasized the importance of thoracoscopy in the diagnosis and staging of the disease. Pleurectomy is the most common surgery employed to manage patients with diffuse mesothelioma, and this procedure is associated with minimal postoperative morbidity and mortality. Because mesothelioma usually recurs locally after surgery, efforts at optimizing local control have included both intraoperative phototherapy and chemotherapy. However, neither of these techniques has demonstrated any significant benefit to date and thus should not be considered as standards of care. No studies have compared pleurectomy to extrapleural pneumonectomy (EPP) in randomized trials. However, nonrandomized series suggest a significant improvement in disease-free survival for those undergoing EPP versus pleurectomy. Other data suggest that EPP may improve local control but may predispose the patient to distant metastases. A randomized comparison of these techniques may be beneficial in identifying the most effective procedure for patients with malignant diffuse mesothelioma.

Age Factors↗
PubMed2000

Predicting survival in patients with recurrent symptomatic malignant pleural effusions: an assessment of the prognostic values of physiologic, morphologic, and quality of life measures of extent of disease.

PURPOSE: To determine the prognostic value of pleural fluid pH, pleural fluid glucose, extent of pleural carcinomatosis (EPC) score, and Karnofsky Performance Scale (KPS) score in patients with recurrent symptomatic malignant pleural effusions. DESIGN: Prospective 53-month study. SETTING: Referral center for interventional pulmonology. PATIENTS: Eighty-five consecutive patients (42 men and 43 women) with recurrent symptomatic malignant pleural effusions who were referred to the interventional pulmonary service for thoracoscopic pleurodesis. MEASUREMENTS: Pleural fluid pH, pleural fluid glucose, EPC score, and KPS score. RESULTS: The KPS score was the only statistically significant predictor variable. Patients with a KPS score >/= 70 had a median survival of 395 days, as opposed to a median survival of only 34 days for patients with a KPS score </= 30. No prognostic advantage was evident when patients were categorized by pleural fluid pH, pleural fluid glucose, or EPC score. CONCLUSION: When assessing the prognosis of a patient with a recurrent symptomatic malignant pleural effusion, only the KPS score at the time of thoracoscopy is predictive of survival. Pleural fluid pH, pleural fluid glucose, and EPC scores are not as reliable as initially reported. For patients with a KPS score >/= 70, it may be very reasonable to proceed with thoracoscopic talc pleurodesis for management of their malignant pleural effusions.

Adult↗
PubMed2001

Symptomatic persistent post-coronary artery bypass graft pleural effusions requiring operative treatment : clinical and histologic features.

BACKGROUND: More than 85% of patients develop pleural effusions after coronary artery bypass grafting (CABG). Although the majority resolve spontaneously, post-CABG effusions can persist. The cause of these persistent effusions is unknown, and the histology of the pleural changes has seldom been reported. OBJECTIVES: To describe the patient characteristics and pathologic condition of the pleural tissues in patients with persistent post-CABG effusions. SUBJECTS: Eight patients with persistent post-CABG effusions who underwent thoracoscopy or thoracotomy over a 2-year period by one thoracic surgeon. These eight patients were selected as having undergone CABG > 2 months before their thoracic surgery and had no other identifiable causes of effusion. RESULTS: The median time from CABG to pleural surgery was 132 days (range, 74 to 2,258 days). The median left ventricular ejection fraction was 57% (range, 15 to 70%). All patients were dyspneic and had large (> or = 25% of the hemithorax) effusions on chest radiograph. All effusions persisted after two or more thoracenteses. Pleural effusion was left sided in three patients and bilateral in five patients. Pleural fluid was characterized by lymphocytosis (82 to 99%). Four of the eight patients had a visceral peel and trapped lung requiring decortication. Seven of the eight biopsy specimens showed pleural thickening characterized by dense fibrous tissues with associated mononuclear cell infiltration, while the eighth biopsy specimen showed only clotted blood. The degree of inflammation and fibrosis correlated with the interval between CABG and pleural surgery. Early post-CABG patients displayed more inflammation, with abundant lymphocytes in nodular configuration deep in the fibrous tissues away from the surface. Abundant keratin-positive, spindle-shaped cells were present in the fibrous tissues. Late cases showed predominantly mature fibrosis. CONCLUSIONS: Persistent post-CABG effusion can occur. Pleural fluids and pleural tissue in early-stage lesions were characterized by lymphocytosis. With time, the inflammatory changes were replaced by fibrosis that resulted in dyspnea and, at times, trapped lungs requiring surgical intervention.

Aged↗
PubMed2003

Non-small cell lung cancer with chest wall invasion: evolution of surgical treatment and prognosis in the last 3 decades.

STUDY OBJECTIVES: The treatment of patients with non-small cell lung cancer (NSCLC) that is invading the chest wall is still debated. We aim to illustrate the improvements in treatment results that have occurred over last decade. DESIGN: Retrospective analysis of our experience and an overview of the literature. SETTING: Department of Surgery, San Giuseppe Hospital, University of Milan. PATIENTS: From January 1970 to December 1999, of 2,738 patients with NSCLC, we operated on 146 patients (5.4%) with chest wall invasion by NSCLC. Superior sulcus tumors and tumors invading the diaphragm or mediastinum were excluded. We reclassified all cases according to the current TNM classification. RESULTS: We registered one postoperative death (0.69%) and five major complications (3.4%). From 1970 to 1979, of 32 patients, 10 underwent an exploratory thoracotomy (ET) and 22 underwent a radical resection (stage IIB disease, 17 patients; stage IIIA disease, 5 patients). The 5-year survival rate was 22.7% (25% for stage IIB disease). From 1980 to 1989, of 67 patients, 11 underwent an ET and 56 underwent a radical resection (stage IIB disease, 34 patients; stage IIIA disease, 12 patients; stage IIIB disease, 5 patients; and stage IV disease, 5 patients). The survival rate following radical resection was 14.1%, ranging between 23.5% for patients with stage IIB disease and 0% (3 years, 14%) for those with stage IIIA disease. From 1990 to 1999, of 47 patients, 2 underwent an ET, 2 underwent an exploratory thoracoscopy, and 43 underwent a radical resection (stage IIB disease, 23 patients; stage IIIA disease, 20 patients). The survival rate was 42.7% (stage IIB disease, 78.5%; stage IIIA disease, 7.2%). CONCLUSIONS: Considering the low morbidity, mortality, and significant improvement in survival during the last decade, we advocate the performance of radical en bloc resection for the treatment of chest wall invasive NSCLC.

Adenocarcinoma↗
PubMed2004

A new safe and stable spiral wire needle for thoracoscopic resection of lung nodules.

BACKGROUND: To show the safety and stability of a spiral wire needle (Somatex; Rietzneuendorf, Germany) in the detection and subsequent thoracoscopic resection of subpleural and/or small nodules of the lung. METHODS: Under local anesthesia and CT control, 13 patients underwent the positioning of a spiral wire needle into the lung, with the spiral located close to or inside the nodule to be resected. Then the patients underwent video-assisted thoracoscopic surgery resection of the nodules with only two thoracoscopic accesses. RESULTS: All the nodules were identified due to the precise location of the spiral wire needle. The presence of a stable spiral wire inside the parenchyma has allowed us to put under tension the overlying parenchyma, which had previously been excluded from ventilation. The external traction on the needle facilitates the detection of the nodule and simplifies thoracoscopic resection with a stapler. With this new tool, we have always reached an adequate diagnosis and observed no cases of dislodgment of the needle during the traction maneuvers, nor cases of conversion from thoracoscopy to thoracotomy. CONCLUSIONS: Although our initial experience is limited, the use of this spiral wire needle has been shown to be extremely advantageous in identifying subpleural and/or small nodules of the lung, even sparing the classic third thoracoscopic access for their resection. The presence of a wire needle with a spiral terminal portion (which is placed firmly inside the lung parenchyma) is very useful for the thoracoscopic resection of pulmonary nodules.

Adult↗
PubMed2005

Phase III intergroup study of talc poudrage vs talc slurry sclerosis for malignant pleural effusion.

STUDY OBJECTIVE: To demonstrate the efficacy, safety, and appropriate mode of instillation of talc for sclerosis in treatment of malignant pleural effusions (MPEs). DESIGN: A prospective, randomized trial was designed to compare thoracoscopy with talc insufflation (TTI) to thoracostomy and talc slurry (TS) for patients with documented MPE. MEASUREMENTS: The primary end point was 30-day freedom from radiographic MPE recurrence among surviving patients whose lungs initially re-expanded > 90%. Morbidity, mortality, and quality of life were also assessed. RESULTS: Of 501 patients registered, those eligible were randomized to TTI (n = 242) or TS (n = 240). Patient demographics and primary malignancies were similar between study arms. Overall, there was no difference between study arms in the percentage of patients with successful 30-day outcomes (TTI, 78%; TS, 71%). However, the subgroup of patients with primary lung or breast cancer had higher success with TTI than with TS (82% vs 67%). Common morbidity included fever, dyspnea, and pain. Treatment-related mortality occurred in nine TTI patients and seven TS patients. Respiratory complications were more common following TTI than TS (14% vs 6%). Respiratory failure was observed in 4% of TS patients and 8% of TTI patients, accounting for five toxic deaths and six toxic deaths, respectively. Quality-of-life measurement demonstrated less fatigue with TTI than TS. Patient ratings of comfort and safety were also higher for TTI, but there were no differences on perceived value or convenience of the procedures. CONCLUSIONS: Both methods of talc delivery are similar in efficacy; TTI may be better for patients with either a lung or breast primary. The etiology and incidence of respiratory complications from talc need further exploration.

Adult↗
PubMed2005

Pericardial abscess detected by Gallium-67 scintigraphy 40 years after cardiac surgery.

A 45-year-old female who had cardiac surgery 40 years earlier was transferred to our hospital because of refractory fever. Echocardiography showed an intrapericardial mass. Gallium-67 (67Ga) scintigraphy revealed abnormal accumulation at the same site of the intrapericardial mass and thoracoscopy revealed that the mass was a pericardial abscess (PA). After surgical resection, drainage and antibiotic therapy, her fever subsided and the abnormal accumulation of 67Ga disappeared. This case showed a very rare clinical course of PA and the importance of 67Ga scintigraphy for its diagnosis.

Abscess↗
PubMed2006

Pediatric minimal-access surgery: update 2006.

Pediatric patients continue to benefit from the advances made in minimal-access surgery. Improvements in techniques and tools have made minimal-access procedures increasingly available to children. Growing popularity of laparoscopy and thoracoscopy has resulted in greater numbers of patients available for outcomes analysis. Randomized, controlled studies have been difficult to perform because of parent, patient, and physician selection bias.

Appendicitis↗
PubMed2005

A thoracoscopically resected case of mediastinal parathyroid cyst.

A 67-year-old male visited his physician because of a 2-month history of cough and sputum. An abnormal shadow at the left upper mediastinum on chest x-ray film was detected, and the patient was referred to our department for further examination. Chest x-ray film revealed a round shadow at the left upper posterior mediastinum. Computed tomography(CT)revealed a uniform iso density mass about 4 cm in diameter, with a well-defined border. After the intravenous contrast administration, a slight peripheral enhancement was seen around the mass. On magnetic resonance imaging, the mass was hypointense in T1-weighting and hyperintense in T2-weighting. The contrast pattern was the same as that observed in the CT scan. On sagittal and coronal sections, the mass was adjacent to the aortic arch. Although a benign tumor was mostly suspected based on imaging findings, a malignant tumor was also possible. Accordingly, we resected this mass with video-assisted thoracoscopy. Findings at operation were a cystic mass. The pathological findings were compatible with benign parathyroid cyst, which was suspected to be the cystic degeneration of a parathyroid adenoma.

Aged↗
PubMed2003

Sarcoidosis with multiple organ involvement emerging as Löfgren's syndrome.

A 52-year-old woman was admitted because of high-grade remittent fever, erythema nodosum, and arthritis which had been lasting two months. Antibiotics did not improve her condition. A chest CT scan examination revealed bilateral hilar and mediastinal adenopathy and multiple nodular opacities in the bilateral lungs. The wedge biopsy of the right lower lobe using video-assisted thoracoscopy presented the histological findings of sarcoidosis. Finally, this case fulfilled the criteria of Löfgren's syndrome. Due to the uncovered cardiac involvement, the systemic glucocorticoid therapy had to be initiated. This case suggests that atypical forms of sarcoidosis should be kept in mind as well, when facing cases with unknown fever.

Arthritis↗
PubMed2002

Safety and efficacy of a technique for thoracoscopically guided pulmonary wedge resection in horses.

OBJECTIVE: To evaluate the safety and efficacy of thoracoscopically guided pulmonary wedge resection in horses. ANIMALS: 10 horses (5 control horses and 5 horses affected with recurrent airway obstruction [ie, heaves]). PROCEDURE: Each horse underwent a thoracoscopically guided pulmonary wedge resection. Before, during, and after surgery, heart rate, respiratory rate, arterial blood gases, and systemic and pulmonary arterial pressures were measured. Physical examination, CBC, and thoracic radiography and ultrasonography were performed 24 hours before and 2 and 48 hours after surgery. Pulmonary specimens were assessed by histologic examination. A second thoracoscopic procedure 14 days later was used to evaluate the resection site. RESULTS: The technique provided excellent specimens for histologic evaluation of the lung. Heart and respiratory rates decreased significantly after horses were administered sedatives. A significant transient decrease in Pao2 was detected immediately after pulmonary wedge resection, but we did not detect significant effects on arterial pH, Paco2, or mean arterial and pulmonary arterial pressures. All horses except 1 were clinically normal after thoracoscopic surgery; that horse developed hemothorax attributable to iatrogenic injury to the diaphragm. The second thoracoscopy revealed minimal inflammation, and there were no adhesions. CONCLUSIONS AND CLINICAL RELEVANCE: Thoracoscopically guided pulmonary wedge resection provides a minimally invasive method for use in obtaining specimens of lung tissues from healthy horses and those with lung disease. This technique may be useful for the diagnosis of diseases of the lungs and thoracic cavity.

Animals↗
PubMed1993

Thoracoscopic pleurodesis.

Thoracoscopic pleurodesis for pneumothorax was performed on 23 patients (16 men, 7 women), including seven with chronic obstructive pulmonary disease, over a 12-month period. Single-lumen intubation with spontaneous ventilation were used making intrapleural insufflation unnecessary. Postoperatively the patients required chest drainage for 1-28 (mean 3) days and remained in hospital for 3-33 (mean 6) days. The 14 gainfully employed patients had 11-40 (mean 20) days' sick leave. Hydrothorax requiring pleurocentesis developed in one patient after thoracoscopy. Pneumothorax recurred in another immediately after removal of the chest drain, but resolved definitively after 2 more days of drainage. A patient with obstructive lung disease required ventilator management for a week after the operation, but otherwise no serious complications were observed.

Adolescent↗
PubMed1998

Thoracoscopic microsurgical excision of a thoracic schwannoma. Case report.

A 6-cm-diameter schwannoma located at T-2 was resected completely by using transthoracic microsurgical endoscopy. The partially cystic tumor widened the neural foramen and extended into the apex of the right thoracic cavity but did not extend intradurally. The tumor was accessed by means of three 15-mm incisions made in the intercostal spaces. The operative blood loss was only 200 ml, and there were no complications. The patient was discharged on the 2nd postoperative day and returned to full activity 1 week after surgery. Thoracoscopy provides an excellent alternative to thoracotomy for peripheral thoracic nerve sheath tumors that originate within the neural foramen or more distally along the intercostal nerves within the thorax. An anterior approach is required for intrathoracic tumors but is not suited for intradural tumors. An open posterior or posterolateral approach to the thoracic spine is required for intradural tumors to allow the dura to be closed adequately.

Activities of Daily Living↗
PubMed1999

Reoperation for herniated thoracic discs.

OBJECT: In this review the authors address the surgical strategies required to resect residual herniated thoracic discs. METHODS: Data obtained in 15 patients who had undergone prior thoracic discectomy and who harbored residual or incompletely excised symptomatic thoracic discs were reviewed retrospectively. The surgical procedures that had failed to excise the herniated discs completely included 11 posterolateral approaches, one thoracotomy, and three thoracoscopy-guided surgical procedures. Of the lesions that were incompletely resected or residual, there were 13 central calcified, two soft. 12 extradural, and three intradural discs. Indications for reoperation were often multiple in each patient and included misidentification of the level of disc disease at the initial operation (five cases), abandoning the procedure because of intraoperative spinal cord injury (three cases), inadequate visualization of the pathological entity (eight cases), migration of a soft disc fragment within the spinal canal (one case), and intradural disc extension (three cases). The symptoms at the time of reoperation included myelopathy in 13 patients and radicular pain in two patients. The mean interval before reoperation was 150 days (range 1 day-4 years). The reoperation procedures included one thoracotomy and 14 video-assisted thoracoscopic procedures performed ipsilateral (11 cases) or contralateral (four cases) to the site of the initial surgery. The herniated disc material was excised completely in all 15 cases without causing new neurological deficits. Reoperation complications included atelectasis in three patients, intercostal neuralgia in two, a loosened screw that required removal in one, residual intradural disc herniation that required a second reoperation in one patient, and a cerebrospinal fluid leak in one patient. Of the 13 patients who experienced myelopathy prior to operation, 10 recovered neurological function and three stabilized. All patients with radicular pain improved. CONCLUSIONS: Calcified, large, broad-based, centrally located, or transdural thoracic disc herniations can be difficult to resect. These lesions require a ventral operative approach to visualize the dura adequately for a safe and complete resection.

Calcinosis↗
PubMed2005

Surgical management of giant herniated thoracic discs: analysis of 20 cases.

OBJECT: The authors evaluated the clinical and surgical outcomes obtained in patients with giant herniated thoracic discs (HTDs), defined as occupying more than 40% of the spinal canal. Surgery-related considerations and functional outcomes in patients with small- and medium-sized HTDs were compared. METHODS: The authors reviewed 140 cases of surgically treated HTDs, 20 (14%) of which were giant. Before and after surgery, all patients underwent computerized tomography myelography, magnetic resonance imaging, or both. Functional outcomes were assessed using the Frankel grading system preoperatively, immediately after surgery, and at long-term follow-up examination. The results observed in patients with giant HTDs were compared with those with small- and medium-sized HTDs. The mean overall follow-up period was 2.6 years. Sixty-six patients (47%) presented with myelopathy, including 19 (95%) with a giant HTD. Of the latter, 16 (80%) underwent anterior, eight thoracoscopic, and eight open thoracotomy approaches. Four patients (20%) with laterally oriented giant HTDs within the spinal canal underwent surgery via a posterolateral approach. Based on analysis of long-term follow-up data, 53% of patients with giant HTDs improved neurologically by one Frankel grade. Progression of myelopathy was arrested in 42%, and in 5% the Frankel grade worsened by one. In patients with small- and medium-sized HTDs, the Frankel grade improved by one in 77%, stabilized in 23%, and worsened in 0%. Patients with giant HTDs who underwent thoracoscopic surgery had worse short- and long-term functional outcomes than those in whom open thoracotomy was performed. CONCLUSIONS: Patients with giant HTDs presented more frequently with myelopathy and experienced worse functional outcomes than those with smaller HTDs. Based on their experience, the authors recommend open thoracotomy rather than thoracoscopy for the treatment of midline giant HTDs.

Adult↗
PubMed1998

Thoracoscopic apical pleurectomy for persisting or recurring pneumothorax.

Regardless of its origin, the treatment of persisting or recurring spontaneous pneumothorax (SP) is classically surgical. To assess the contribution of thoracoscopy in the management of SP 100 consecutive patients with persistent or recurrent pneumothorax were treated at our unit by endoscopic procedure between 1992 and 1997 to obtain permanent pleurodesis and to treat the lung lesion responsible for the leak. There were 90 men and 10 women ranging in age from 16 to 60 years (mean age 28+/-12 years). The technique includes electrocoagulation of pleural blebs and thoracoscopic apical pleurectomy. All patients were subjected to physical examination and plain x-ray at 1 and 3 months and 1 year postoperatively. After completion of the procedure, air leaks disappeared in 90 cases, while 5 cases air leak ceased 5 to 7 days postoperatively. The remaining 5 cases were converted to an open procedure. The mean length of follow-up was 3 years. No patient required transfusion and there were no operative deaths. No recurrence of pneumothorax occurred and no major complications encountered. Video-assisted thoracoscopic pleurectomy for the treatment of pneumothorax is concluded to be that safe and efficacious. It shortens the hospital stay, requires less amount of postoperative narcotic analgesia.

Adolescent↗