Summary of demographic and clinical data for patients (n=77) undergoing ultrasound-guided pneumothorax induction prior to local anaesthetic thoracoscopy
| Patient demographics | |
| Gender | |
| Male, n (%) | 53 (68.8) |
| Female, n (%) | 24 (31.2) |
| Age | |
| Years, mean (SD) | 67.8 (12.4) |
| Side of procedure | |
| Right, n (%) | 41 (53.2) |
| Left, n (%) | 36 (46.8) |
| Procedural data | |
| Main clinical indication for LAT | |
| Pleural thickening or nodularity on CT, n (%) | 48 (62.3) |
| Pleural effusion with known malignancy at distal site, n (%) | 7 (9.1) |
| Unexplained cytology negative exudative effusion, n (%) | 22 (28.6) |
| Intravenous analgo-sedation | |
| Midazolam, mg, mean (SD) | 2.7 (1.2) |
| Fentanyl, mcg, mean (SD) | 52.5 (44.6) |
| Presence of pleural fluid on TUS | |
| None visible throughout hemithorax, n (%) | 22 (28.6) |
| None visible in AAL/MAL but seen elsewhere, n (%) | 24 (31.2) |
| <3 cm depth visible in AAL/MAL, n (%) | 31 (40.3) |
| Pneumothorax induction | |
| Successful, able to proceed to LAT, n (%) | 67 (87.0) |
| Unsuccessful, unable to proceed to LAT, n (%) | 10 (13.0) |
| Reported macroscopic appearance | |
| Definitely malignant, n (% of successful LAT) | 18 (26.9) |
| Uncertain, n (% of successful LAT) | 34 (50.7) |
| Definitely benign, n (% of successful LAT) | 15 (22.4) |
| Postprocedural care | |
| Discharged same day, n (% of successful LAT) | 47 (70.1) |
| Admitted to hospital, n (% of successful LAT) | 20 (29.9) |
| Histology results | |
| Non-malignant disease | |
| TOTAL, n (% of successful LAT) | 40 (59.7) |
| Chronic pleuritis/fibrosis, non-specific, n (% of successful LAT) | 39 (58.2) |
| Pleural sarcoidosis, n (% of successful LAT) | 1 (1.5) |
| Malignant disease | |
| TOTAL, n (% of successful LAT) | 22 (32.8) |
| Mesothelioma, all subtypes, n (% of successful LAT) | 11 (16.4) |
| Metastatic lung cancer, all subtypes, n (% of successful LAT) | 6 (9.0) |
| Other metastatic cancer, all subtypes, n (% of successful LAT) | 5 (7.5) |
| Biopsies not taken | |
| TOTAL, n (% of successful LAT) | 5 (7.5) |
All percentages expressed as fraction of total number of patients (77) unless otherwise specified.
AAL, anterior axillary line; MAL, mid axillary line; LAT, local anaesthetic thoracoscopy.