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PubMedDate not supplied

The accessory lung lobe in thoracic disease: a case series and anatomical review.

Diseases of the accessory lung lobe (AccLL) are often overlooked in dogs and cats, perhaps because of its recessed location. Diseases of this lobe also can mimic diseases of the diaphragm or structures comprising the caudal mediastinum. Normal anatomy of the AccLL and the diagnostic tools used today will be reviewed to help differentiate disease of adjacent organs. Four cases will also be described to illustrate disease presentation and radiographic findings affecting this lobe.

Animals↗
PubMed2002

[Postoperative immunocompromised host infection in patients with thoracic disease].

Currently, pneumonia is divided into two categories: community-acquired pneumonia and hospital-acquired pneumonia. Postoperative pneumonia is included in the hospital-acquired category. In particular, ventilator-associated pneumonia occurs frequently in surgical units, and the aspiration of intrapharyngeal fluid causes this type of infection. Methicillin-resistant Staphylococcus aureus pneumonia also occurs in patients with advanced lung carcinoma, poor performance status, and impaired pulmonary function. Empiric therapy plays an important role in postoperative patients with severe pulmonary infection.

Aged↗
PubMed1991

Comparison between diagnostic ultrasonography and radiography in the evaluation of horses and cattle with thoracic disease: 56 cases (1984-1985).

The results of radiography and ultrasonography were compared on 56 horses and cows with lower respiratory tract disease. Ultrasonography was more sensitive than radiography for the detection of small pleural effusions and consolidations in large animals. The side of the thorax affected and the character of the pleural fluid and lung in large animals with pleural effusion can be evaluated ultrasonographically. The periphery of the lung must be affected to characterize pulmonary lesions ultrasonographically. Radiography is the best technique to characterize lesions deep within the lung when the periphery of the lung is normal.

Animals↗
PubMed1986

[Transthoracic approach and costotransversectomy in thoracic discogenic disease].

The thoracic discogenic disease is the rarest, yet is most devastating of all disc lesions. The clinical manifestations including myelopathy and radiculopathy are not characteristic, therefore accurate radiological diagnosis has to be made by carefully performed myelography and CT, and recently by MRI. Historically conventional laminectomy has been attended with terrible results such as paraplegia. Therefore transthoracic approach and costo-transversectomy have been the procedure of choice in recent years, and these procedures can be performed safely and effectively without serious complications with help of the operating microscope. Transthoracic approach is a more decisive anterolateral operation for the central disc and the spondylotic spur in the midthoracic spine with excellent visualization of the anterior aspect of the spinal cord. On the other hand, costrotransversectomy is a less formidable posterolateral approach and it provides a reasonable exposure to the lateral disc and the enlarged facet in the lower thoracic spine. The details of the both operative procedures were discussed by using illustrations.

Anesthesia, Endotracheal↗
PubMed2002

Thoracic complications of illicit drug use: an organ system approach.

Illicit drug use constitutes a major health problem and may be associated with various thoracic complications. These complications vary depending on the specific drug used and the route of administration. Commonly abused drugs that may play a role in causing thoracic disease include cocaine, opiates, and methamphetamine derivatives. Intravenously abused oral medications may contain filler agents that may be responsible for disease. Thoracic complications may be categorized as pulmonary, pleural, mediastinal, cardiovascular, and chest wall complications. Pulmonary complications of drug abuse include pneumonia, cardiogenic edema, acute lung injury, pulmonary hemorrhage, and aspiration pneumonia. Filler agents such as talc may result in panacinar emphysema or high-attenuation upper-lobe conglomerate masses. The primary pleural complication of illicit drug use is pneumothorax. Mediastinal and cardiovascular complications of illicit drug use include pneumomediastinum, cardiomyopathy, myocardial infarction, aortic dissection, and injection-related pseudoaneurysms. Chest wall complications include diskitis and vertebral osteomyelitis, epidural abscess, necrotizing fasciitis, costochondritis, and septic arthritis. Categorization of thoracic complications of illicit drug use may facilitate understanding of these disorders and allow accurate diagnosis.

Aortic Dissection↗
PubMed1998

Review: complications of surgery for thoracic disc disease.

BACKGROUND: Thoracic discectomy has evolved over the last 60 years from resection through standard laminectomy, to posterolateral procedures to open thoracotomy and finally thoracoscopy. Comparison of relative morbidity and mortality between these approaches is now possible. METHODS: Peer-reviewed publications reporting clinical data relating to thoracic discectomy, and which provided sufficient information to enable adequate assessment of mortality and morbidity were reviewed. These articles were determined via review of the results of MedLine searches and articles gathered through compilation of references from those articles. RESULTS: Articles reviewed spanned a period of over 60 years. Surgical procedures used for thoracic discectomy included laminectomy, pediculectomy, costotransversectomy, lateral extracavitary, transverse arthropediculectomy, anterolateral thoracotomy, and thoracoscopy. Complications included death, paralysis, paresis, loss of bowel and/or bladder control, pulmonary embolism, pneumonia, atelectasis, compression fracture, infection, pleural tear, bowel obstruction, and anesthesia dolorosa. Mortality dropped to nearly zero after development of anterior and posterolateral approaches. Morbidity seems relatively similar between most procedures other than laminectomy. Not enough procedures have been reported using thoracoscopy to adequately assess its morbidity. CONCLUSION: Comparison of relative rates of morbidity and mortality between surgical approaches to thoracic discectomy suggest that laminectomy does not provide adequate access for the safe removal of these lesions. Choice of approach among the alternatives should be based on the evacuation of the herniated fragment and experience of the surgeon. Thoracoscopy, although promising, has not had sufficient time for evaluation of morbidity to make definite statements regarding its safety.

Diskectomy↗
PubMed2005

[Clinical assessment of the thoracic surgical diseases associated with von Recklinghausen's disease].

Type I neurofibromatosis (NF-I), also referred to as von Recklinghausen's disease, is an autosomal dominant disease characterized by neurofibromas and abnormal cutaneous pigmentation (café-au-lait spot). We studied retrospectively the 8 cases operated in our hospital between January 1979 to December 2002, which were complicated with von Recklinghausen's disease and a thoracic surgical disease. The patients were 6 males and 2 females and the age from 16 to 70 (the averaged age was 36 +/- 22). The thoracic diseases were consist of mediastinal tumors (n = 7) and esophageal cancer (n = 1). The operative procedures were tumorectomy (n = 6), subtotal esophagectomy (n = 1), and pericardial cystectomy (n = 1). The mediastinal tumors were neurofibroma (n = 3), malignant schawannoma (n = 1), ganglioneurinoma (n = 2), and pericardial cyst (n = 1). Malignant neoplasms were recognized in 2 cases (25%). The postoperative survival was 10 months for malignant schwannoma, and 8 months for esophageal cancer, and the others were alive. For 1 case of neurofibromas, there was observed to be the reoperated one after the postoperative recurrence. von Recklinghausen's disease are apt to be complicated with thoracic surgical neoplasms, it should be required a careful and systemic exploration especially for malignant neoplasms.

Adolescent↗
PubMed1994

Noninvasive positive pressure ventilation to treat respiratory failure.

PURPOSE: To review the clinical use of noninvasive positive pressure ventilation, including its efficacy with acute and chronic forms of respiratory failure, its mechanism of action, and its implementation. DATA SOURCES: Studies were identified through a MEDLINE search using the key words respiratory failure and mechanical ventilation and through a manual review of reference lists of published articles. STUDY SELECTION: All original studies relating to the use of noninvasive positive pressure ventilation in respiratory failure were included. Because of the paucity of controlled trials, cohort studies were not excluded. DATA EXTRACTION: Study design, numbers and diagnoses of patients, ventilator modes, and success and complication rates were extracted and compiled. RESULTS: For acute respiratory failure, studies report improved gas exchange and avoidance of intubation in 60% to 80% of patients with chronic obstructive pulmonary disease, restrictive thoracic disease, congestive heart failure, pneumonia, or postoperative extubation failure. However, the patients were highly selected, and relatively few studies have been published, only one of which was a randomized controlled trial. For chronic respiratory failure due to restrictive thoracic disease, all studies report improved gas exchange and symptoms of hypoventilation after prolonged nocturnal use, although no study was controlled. Some cohort studies of patients with severe chronic obstructive pulmonary disease yielded favorable results, but longer-term, randomized, controlled studies showed minimal, if any, benefit. CONCLUSION: Noninvasive positive pressure ventilation is effective in the treatment of chronic respiratory failure due to restrictive thoracic diseases. The routine use of such treatment for chronic respiratory failure due to chronic obstructive pulmonary disease and for acute respiratory failure needs to be studied in randomized controlled trials in better-defined patient subsets.

Chronic Disease↗
PubMed2006

Auscultatory bedside tests for thoracic aortic disease.

Auscultation for thoracic aortic aneurysms and dissections is largely limited to listening to praecordium, neck and axillae associated with disease located at the ascending aorta and root, typically overlooking the descending thoracic aorta. We report a new test and protocol for differentiating aortic root and descending aortic disease by adding auscultation over the back as part of the cardiovascular examination.

Aortic Dissection↗
PubMed2003

The clamshell approach for the treatment of extensive thoracic aortic disease.

OBJECTIVE: Management of extensive thoracic aortic disease may present an immense technical challenge. The choice of surgical access and subsequent exposure determines whether a single-stage or a 2-stage approach can be adopted. METHODS: Fifteen patients with extensive thoracic aortic disease underwent resection of the ascending aorta, the aortic arch, and varying segments of the descending aorta. Four patients had concomitant coronary artery bypass grafting and 3 patients had aortic valve reconstruction. All patients were treated with a single-stage approach via a bilateral anterior thoracosternotomy (clamshell incision). RESULTS: There was 1 hospital death (6.6%). Two patients required reoperation for bleeding (13.3%). Two patients needed mechanical ventilation for more than 48 hours. Three patients suffered a stroke (20%). Two patients (13.3%) had transient neurologic dysfunction. None of the patients had renal failure. There were no wound infections in this group. CONCLUSION: The single-stage approach, via a clamshell incision, is a safe and effective procedure for patients who require treatment of extensive thoracic aortic disease and concomitant cardiac lesions.

Aged↗
PubMed2002

Emergency surgery results in life-threatening thoracic aortic disease.

OBJECTIVE: Emergency surgery for thoracic aortic aneurysm continues to involve high mortality. We review our experience in emergency surgery for life-threatening thoracic aortic disease. METHODS: Between September 1994 and June 2000, 65 consecutive patients--38 men and 27 women aged 18 to 84 years (mean: 64.3 years)--underwent emergency surgery for thoracic aortic disease. Of these, 40 (61%) were treated for acute type A dissection, 16 (25%) for aortic rupture, and 9 (14%) for impending aneurysmal rupture. Ascending aorta repair was conducted in 21, aortic arch repair in 30, distal arch repair in 2, descending aorta repair in 9, and thoracoabdominal aorta repair in 3. Of the 65, 42 were under 70 years old and 23 were 70 years of age and older. RESULTS: Overall, 8 (12%) died in the hospital--3 (7.5%) of acute type A dissection, 3 (19%) of ruptured aneurysm, and 2 (22%) of impending rupture. Of these, 3 (7.1%) were younger than 70 years and 5 (22%) 70 years and older. The following perioperative factors significantly influenced hospital mortality: pump time (p = 0.019), postoperative severe cardiac failure (p = 0.006), postoperative respiratory failure (p = 0.045), and postoperative acute renal failure (p = 0.0007). Of the 57 survivors followed up for an average of 2.8 years (1 month to 6 years), 3-year survival was 73% overall--88% in patients younger than 70 years and 38% in those 70 years and older (p = 0.0004). Seven of the 9 patients suffering strokes during surgery died in the hospital (2) or after discharge (5). Overall hospital and late deaths involved 2 of 4 patients younger than 70 years and all of 5 patients 70 years and older. CONCLUSION: The majority of patients undergoing emergency surgery for life-threatening thoracic aortic disease can undergo graft replacement with acceptable mortality, morbidity, and late survival, but early and late mortality for patients older than 70 remains extremely high.

Adolescent↗