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This randomised study was designed to compare clinical outcomes for simple aspiration versus tube thoracostomy, in the treatment of the first primary spontaneous pneumothorax (PSP) attack. A randomised trial, comparing simple aspiration with tube thoracostomy, in 137 patients with a first episode of PSP was carried out. Immediate success was obtained in 40 out of the 65 patients (62%) randomly assigned to undergo simple aspiration and in 49 out of the 72 patients (68%) who had been randomly assigned to undergo tube thoracostomy. The 1-week success rates were: 58 (89%) patients in the intention-to-treat simple aspiration group and 63 (88%) patients in the tube thoracostomy group. In the aspiration group, there were more recurrences during the 3-month follow-up period (15 versus 8%), though the difference was not significant. Recurrence rates at 1 and 2 yrs were 16 (22%) and 20 (31%) for patients who had undergone simple aspiration, respectively, and 17 (24%) and 18 (25%) for patients who had undergone tube thoracostomies, respectively. Complications occurred in 5 (7%) patients who had undergone a tube thoracostomy and 1 (2%) patient who had undergone simple aspiration. Analgesia was required in 22 (34%) patients of the simple aspiration group versus 40 (56%) patients of the tube thoracostomy group. These findings suggest that simple aspiration could be an acceptable alternative to tube thoracostomy in the treatment of primary spontaneous pneumothorax.

Objective: To compare the identifiable pulmonary abnormalities during thoracoscopy with the histological findings in patients requiring surgical intervention for recurrent or persistent primary spontaneous pneumothorax (PSP) and correlate these with the postoperative events., Methods: From January 1999 to December 2002, 94 consecutive patients underwent video-assisted thoracoscopic wedge excision and apical pleurectomy for PSP. Vanderschueren's classification was used for macroscopic staging and histological observation for microscopic features. Clinical data of these patients and the outcome of surgery were described., Results: All patients were successfully treated using video-assisted thoracoscopic technique. Recurrent pneumothorax was the most frequent indication for surgery, occurring in 60 cases. The method of management was stapling of an identified bleb or apex of the upper lobe and apical pleurectomy. In 67 cases (71%), clear bullae were found in types III and IV. In 15 cases (16%), type II pleuropulmonary adhesions were identified and in 12 (13%) cases thoracoscopy failed to reveal any abnormality (type I). The actual site of air leakage could be located during thoracoscopy in 24 (26%) patients. Histologically, 74 patients had subpleural bullae/blebs formation and 20 had emphysema without bullae. Fifty-three patients had cellular infiltration and 82 had pleural fibrosis. In the microscopic examination, the actual site of air leakage could be located at the site of subpleural blebs or bullae in 15 patients and elsewhere at the lung surface in five other patients. Postoperative prolonged air leak occurred in 4 out of 12 patients in type I and in two of the remaining patients, p=0.001. Mean follow-up is 48 months (range, 30-60 months) for all patients. Pneumothorax recurred in three patients (3.1%). Two patients from type I (16.6%) and one patient from the other types (1.2%) had recurrence (p=0.01)., Conclusions: Video-assisted thoracoscopic stapling of an identified bleb or apex of the upper lobe and apical pleurectomy represents the standard treatment for the majority of recurrent or persistent PSP. Most patients with surgically treated PSP have subpleural blebs or bullae or isolated emphysema. In type I cases, simple apical excision and apical pleurectomy are not sufficient and perhaps additional talc poudrage might be indicated.

Objectives: To determine the risk factors of spontaneous pneumothorax (SP) in Kuwait., Subjects and Methods: From January 2002 through December 2003, 254 consecutive cases with a diagnosis of SP were reviewed. Analyses of pneumothorax rates by age, sex, smoking, body mass index (BMI) and climatic conditions were evaluated., Results: Of the 254 patients, 242 (95%) were male and 12 (5%) were female; a larger proportion of 180 (88%) were Kuwaitis and 74 (12%) were expatriates. Two hundred and eight (82%) episodes were regarded as primary SP and 46 (18%) as secondary SP. The mean age was 24.5 +/- 5.8 years for primary SP and 45.7 +/- 14.5 years for secondary SP. One hundred and ninety-six (77%) individuals were current smokers. BMI in primary and secondary SP was 19.3 and 22.4, respectively (p < 0.001). There was no relationship between SP and climatic conditions (a rise or fall in temperature, humidity or atmospheric pressure). However, a slight increase in SP occurred in July, probably the hottest month in Kuwait., Conclusions: The data indicate that the most important risk factors of SP in Kuwait are smoking, low BMI and the male gender.

Background: The objectives of the study were to review our experience of video-assisted thoracoscopic apical pleurectomy and to evaluate whether suction or water seal is superior in the postoperative treatment of primary spontaneous pneumothorax., Methods: One hundred consecutive patients undergoing thoracoscopy for primary spontaneous pneumothorax from January 1995 to December 1999 were prospectively randomly assigned after surgery to receive suction or water seal to their chest tubes after a brief period of suction., Results: There were 50 patients in each group. The two groups were evenly matched for age and operation performed. The method of management was stapling of an identified bleb or apex of the upper lobe and apical pleurectomy. Postoperative prolonged air leak longer than 5 days occurred in 8 patients (8%), 7 in the suction group and 1 in the water seal group (p = 0.03). The mean duration of chest tube days was lower in the water seal group (2.7 days) than in the suction group (3.8 days; p = 0.004). The mean hospital stay in the water seal group was 3.7 days and in the suction group it was 4.8 days (p = 0.004). Mean follow-up was 48 months (range, 30 to 60) for all patients. Pneumothorax recurred in 2 patients (2%). The recurrences occurred in the first year., Conclusions: Video-assisted thoracoscopic apical pleurectomy is effective and safe for treating primary spontaneous pneumothorax. Placing chest tubes on water seal after a brief period of suction shortens the duration of chest tube placement and hence the hospital stay.

Objective: To review our experience with bilateral video-assisted thoracoscopic surgery (VATS) for the treatment of bilateral spontaneous pneumothorax (SP)., Design: Retrospective study followed by a telephone interview for follow-up., Setting: Thoracic Surgery Department, Chest Diseases Hospital, Kuwait., Patients and Interventions: Fifteen patients undergoing bilateral VATS for bilateral SP from 1994 to 1999., Results: The mean age of the patients was 22.9 years (range, 17 to 34 years), and 14 were men. All patients were successfully treated using the bilateral video-assisted technique. Operative indications included simultaneous bilateral pneumothorax (n = 7) and contralateral recurrence of SP (n = 8). Twelve patients had primary SP. In the three remaining patients, simultaneous bilateral SP was secondary to sarcoidosis in two patients and histiocytosis X in one patient. Eleven patients had multiple blebs or bullae located in the upper lobes, and 4 patients had no blebs. All blebs or bullae were resected. All patients had gauze pleurodesis. The mean +/- SD operative time was 133.6 +/- 9.1 min. There were no perioperative complications and no deaths attributable to the procedure. Postoperative prolonged air leak occurred in three patients (20%). The mean drainage time was 3 days (range, 2 to 8 days). The mean postoperative hospital stay was 5 +/- 1.7 days. Mean follow-up was 3.3 years (range, 2 to 5 years) for all patients. Pneumothorax recurred in one patient with histiocytosis X after 1 month and required a reoperation on the right side., Conclusions: Bilateral VATS is a safe procedure in the treatment of simultaneous and nonsimultaneous bilateral SP. This avoids the need for subsequent operations.

Objective: To review our experience of video-assisted thoracoscopic surgery for the treatment of primary spontaneous pneumothorax., Design: Longitudinal cohort study following up consecutive patients for 3 to 4.3 years., Setting: Thoracic Surgery Department, Chest Diseases Hospital, Kuwait., Patients and Intervention: Seventy-two consecutive patients undergoing thoracoscopy for primary spontaneous pneumothorax from January 1994 to June 1996., Results: The mean age of the patients was 25 years (range, 15 to 40 years), and 67 were men (93%). All patients were successfully treated using video-assisted thoracoscopic technique. Recurrent pneumothorax was the most frequent indication for surgery, occurring in 49 patients. The most common method of management was stapling of an identified bleb, which was done in 56 cases. Pleurodesis was achieved by gauze abrasion (n = 39) and apical pleurectomy (n = 33). Postoperative prolonged air leak occurred in five patients (6.9%). There were no deaths attributable to the procedure. The mean (+/-SD) postoperative hospital stay was 4 +/- 2 days. Mean follow-up is 42 months (range, 36 to 54 months) for all patients. Pneumothorax recurred in four patients (5.5%) in whom pleural abrasion was done. The recurrences occurred in the first year of follow-up, three required a reoperation, and one healed by rest without pleural drainage., Conclusions: Video-assisted thoracoscopic surgery is a safe procedure in the treatment of primary spontaneous pneumothorax. Apical pleurectomy is a more effective way of producing pleural symphysis. Long-term follow-up did not increase the rate of recurrence.