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Biomedical subjects

Marco Anile

Publications and source records attributed to Marco Anile.

12 recordsLinked to original sources
PubMed2006

Magnetic resonance-fluoroscopy as long-term follow-up examination in patients with narrow gastric tube reconstruction after radical esophagectomy.

OBJECTIVE: To evaluate the functionality and morphology of neo-esophagus in subjects who underwent narrow gastric tube (NGT) reconstruction after total esophagectomy using magnetic resonance (MR)-fluoroscopy with Turbo-FLASH sequences acquired during positive oral contrast agent administration. METHODS AND MATERIALS: Ten patients, who underwent NGT reconstruction after total esophagectomy between 2002 and 2004, were studied using a 1.5 T magnet (Magnetom Avanto: Siemens, Erlangen, Germany, featuring total imaging matrix-TIM technology), equipped with surface phased-array and integrated spine coils. Imaging protocol included TRUFI and Turbo-FLASH sequences (TR=600 ms; TE=1.3 ms; Flip Angle 8 degrees ; Thickness 20 mm; FoV 350; Matrix 128 x 256; N. acquisition 120; TA=50 s) acquired on sagittal and axial planes to achieve motility evaluation during oral administration of positive contrast agent (yoghurt+Gd-DTPA 0.5M, 1:100 boluses). RESULTS: Good quality images were obtained in all patients, with adequate lumen contrast and a frame rate of 2.5 frames per second (fps). Three patients had completely re-established motility of NGT; six patients had mild to moderate alterations including raised transit time, reflux and contrast agent stasis; one patient had severe alterations with grossly dilated NGT, severe reflux and stasis. CONCLUSIONS: MR-fluoroscopy approach represents a promising radiation-free modality in the evaluation of functionality and morphology of NGT. Further investigation in the evaluation of post-surgery patients is necessary.

Adult↗
PubMed2006

Bronchoscopic procedures for emphysema treatment.

Emphysema is a debilitating lung disease continuing to be a major source of morbidity and mortality in the developed countries. Medical treatment is the mainstay of therapy and consists of smoking cessation, pulmonary rehabilitation, administration of bronchodilators and, when indicated, steroids and supplemental oxygen. Various surgical procedures have been promoted in the past to relieve dyspnoea and improve quality of life in patients with advanced emphysema; whilst early results were often encouraging, a sustained objective functional improvement was rarely achieved and most of those procedures were progressively abandoned. Despite controversies, LVRS has been shown to be beneficial to selected patients with end-stage emphysema when medical therapy has failed. There is no doubt that LVRS allows a significative functional improvement in a selected group of patients; however, it still carries a substantial morbidity, even if mortality is low at the centres with the larger experience. Patients with a most advanced functional deterioration show a higher surgical mortality and less impressive functional results, suggesting that LVRS should be considered more carefully in these situations. Bronchoscopic alternatives to the surgical approach have been recently proposed and some of them may play an important role in the future; in particular, the airway bypass and bronchoscopic lung volume reduction with one-way valves are certainly one step beyond on their way to clinical application. We hereby report the initial experimental and clinical experience with these new treatment options.

Animals↗
PubMed2005

Operative endoscopy of the airway with the old-fashioned esophageal dilators.

Bronchial dilation is usually required to treat a number of disorders; the most frequent are complications after airway surgery, including lung transplantation, stenosis after radiotherapy, and compression by an extraluminal mass. The procedure is performed by forcing the tip of a rigid bronchoscope through the stenosis using barrels of increasing size; however, when there is a clear discrepancy between the caliber of the rigid instrument and the stenosis, the first step may be difficult. In such cases, we have successfully employed two types of old-fashioned esophageal dilators rescued from the armamentarium of our endoscopy unit.

Airway Obstruction↗
PubMed2005

Bronchoscopic lung-volume reduction with one-way valves in patients with heterogenous emphysema.

BACKGROUND: We evaluated the feasibility and short-term functional outcome after bronchoscopic lung-volume reduction performed with one-way valves in patients with severe heterogeneous emphysema. METHODS: Thirteen patients entered this pilot study. Endobronchial one-way valves were placed in the segmental bronchi supplying the most hyperinflated parts of the emphysematous lungs to allow lung deflation, reduce lung volume, and alleviate symptoms. The valves and delivery catheter were inserted under intravenous anesthesia and spontaneous assisted ventilation, with visual control through a flexible bronchoscope. We performed unilateral bronchoscopic lung-volume reduction in 11 patients and staged bilateral procedures in 2. Preoperative median forced expiratory volume in 1 second (FEV1) was 0.75 L/s (22%), residual volume was 5.3 L (233%), total lung capacity, 7.9 L (123%); intrathoracic gas volume, 6.5 L (176%); and 6-minute walk test, 223 meters. All patients required supplemental oxygen at rest (1.4 L/min). The median preoperative Medical Research Council (MRC) scale dyspnea score was 4. RESULTS: Six complications occurred in 3 patients: two bilateral and one contralateral pneumothorax, one pneumonia, and two episodes of bronchospasm. Functional results at 1 and 3 months showed a significant improvement in FEV1, residual volume, and 6-minute walk test; 43% of the patients were able to completely stop supplemental oxygen. The posttreatment MRC median dyspnea score at 1 and 3 months was 2. Bronchoscopic follow up at 1 and 3 months showed that the valves were correctly in place with no granulation. CONCLUSIONS: Bronchoscopic lung-volume reduction with one-way valves can be performed with acceptable short-term safety and worthwhile functional benefits.

Adult↗
PubMed2003

Long-term outcome after multimodality treatment for stage III thymic tumors.

BACKGROUND: Surgery remains the cornerstone of therapy for thymic tumors, but the optimal treatment for advanced, infiltrative lesions is still controversial. The introduction of multimodality protocols has substantially modified survival and recurrence rate. We reviewed our 13-year prospective experience with multimodality treatment of stage III thymoma and thymic carcinoma. METHODS: Since 1989 we have prospectively used a multimodality approach in 45 stage III thymic tumors. Sixteen patients (35%) had myasthenia gravis. Twenty-three patients (51%) had pure or predominantly cortical thymoma (group 1), 11 (24.5%) had well-differentiated thymic carcinoma (group 2), and 11 (24.5%) had thymic carcinoma (group 3). Tumors that were not considered radically resectable at preoperative workup underwent biopsy and induction chemotherapy (15 patients, 33%) followed by surgical resection; all patients were referred for adjuvant chemoradiotherapy. RESULTS: No operative mortality was recorded; 1 treatment-related death during adjuvant chemotherapy was observed in group 1. Complete resection was feasible in 91% of patients in groups 1 and 2 and 82% in group 3. The overall 10-year survival was 78%. Ten-year survival for groups 1 and 2 was 90% and 85%, respectively; 8-year survival for group 3 was 56%. During follow-up, tumor recurrence was noted in 3 patients (13%) from group 1, 3 (27%) from group 2, and 3 (27%) from group 3. CONCLUSIONS: Multimodality treatment with induction chemotherapy (when required) and adjuvant chemoradiotherapy offers encouraging results for stage III thymic tumors; the outcome is more favorable for cortical thymoma and well-differentiated thymic carcinoma.

Aged↗
PubMed2003

Bilateral sequential lung transplantation without sternal division.

OBJECTIVES: The 'clamshell incision' is considered the standard approach for bilateral sequential lung transplantation (BSLT); however, a considerable morbidity may be related to this incision. The bilateral anterolateral thoracotomy without sternal division is an alternative approach that may contribute to avoid chest wall complications. METHODS: We have employed this approach in a prospective series of 34 patients undergoing bilateral transplantation (Group I). The results were retrospectively compared with an historical control group of 37 patients (Group II) undergoing transplantation through the clamshell incision. RESULTS: The operative time in Groups I and II were 228+/-32 and 293+/-37 min, respectively; the difference between the ischemic time of the first and second lungs were 68+/-20 and 73+/-15 min. Intensive care unit stay was 5+/-6 vs. 13+/-10 days and length of hospitalization was 25+/-16 vs. 32+/-10 days. Vital capacity measured 3 weeks after the transplant was significantly higher in Group I (65+/-13 vs. 45+/-8% predicted) as well as FEV(1) (71+/-8 vs. 58+/-7% predicted). No wound related complication was observed in Group I; in Group II, there were 17 chest wall complications: sternal osteomyelitis in three patients (surgical debridement and closure with a muscle flap), migration of the Kirshner wire in three (removal of the wire), sternal override in three (surgical correction) and prolonged pain in eight. CONCLUSIONS: The bilateral anterolateral thoracotomy without sternal splitting is a safe and effective approach for BSLT; it allows to avoid sternal complications and contributes to improve respiratory function in the early postoperative period.

Adolescent↗
PubMed2002

Thoracoscopic sympathectomy for symptomatic arterial obstruction of the upper extremities.

BACKGROUND: Severely symptomatic arterial insufficiency of the hand and upper extremities requires adequate treatment. Medical therapy and local care are usually unsuccessful, and thoracic sympathectomy can represent an effective procedure to control pain, to help ulcer healing, and to prevent or delay amputation. METHODS: We performed 20 thoracoscopic sympathectomies in 15 patients (13 men and 2 women) with upper extremity ischemia. Mean age was 47 years (range 21 to 72 years). All patients were thought to have organic blockage of digital arteries. The condition was unilateral in 10 patients and bilateral in 5. Primary diagnosis was digital arteriosclerosis in 8 patients, Buerger's disease in 4 patients and the remaining 3 were drug abusers with severe ischemia due to accidental intraarterial injection of drugs. Eleven patients (73%) presented with terminal digital necrosis, gangrene, or ulceration of the fingers associated with severe pain. Four patients complained of coldness, pain, and some degree of soft tissue infection without permanent loss of tissue. RESULTS: We performed 10 unilateral and five bilateral staged (mean interval was 3 months) thoracoscopic sympathectomies. We had two minor complications and no mortality. Mean duration of postoperative chest drainage was 2.5 +/- 0.4 days and mean postoperative hospital stay was 5.3 +/- 0.5 days. Follow-up ranged from 3 to 71 months, with a mean of 33 months. All patients demonstrated clinical benefit after operation. CONCLUSIONS: Thoracoscopic sympathectomy in patients with severe ischemia of upper limb extremities permits optimal symptomatic control and maximum tissue salvage. Because the procedure is minimally invasive, safe, and associated with a low rate of complications, it should be considered earlier the natural course of this disease.

Adult↗