Table 2. RVATS mediastinal lesion resection: patient characteristics and perioperative results.
| Preoperative variables (n=18) | No. (%) or median (IQR) |
|---|---|
| Age (years) | 50 (39 to 59) |
| Male | 4 (22.2) |
| Intraoperative variables (n=18) | |
| Lesion location | |
| Anterior mediastinum | 11 (61.1) |
| Middle mediastinum | 6 (33.3) |
| Posterior mediastinum | 1 (5.6) |
| Resection type | |
| Thymectomy | 9 (50.0) |
| Other mediastinal mass resection | 5 (27.8) |
| Esophageal lesion resection | 2 (11.1) |
| Mediastinal biopsy | 1 (5.6) |
| Bronchogenic cyst resection | 1 (5.6) |
| Docking time (min) | 15 (10 to 20) |
| Console time (min) | 107.5 (95 to 125) |
| Total operative time (min) | 195.5 (131 to 221) |
| Blood loss (mL) | 50 (20 to 90) |
| Conversion | 0 (0) |
| Intraoperative complications | 2 (11.1) |
| Postoperative variables (n=18) | |
| Chest tube duration (hours) | 48 (24 to 68) |
| Postoperative complications | 0 (0) |
| Length of hospital stay (days) | 2.5 (2 to 3) |
| In-hospital mortality | 0 (0) |
| 90-day mortality (n=16, 2 missing) | 0 (0) |
| Follow-up time (months) | 14 (5 to 24) |
| Histology variables (n=18) | |
| Tumor size (mm) (n=16, 2 missing) | 35 (25 to 50) |
| Lesion histology | |
| Thymic hyperplasia | 7 (38.9) |
| Thymoma | 2 (11.1) |
| Metastatic disease | 3 (16.7) |
| Esophageal leiomyoma | 2 (11.1) |
| Parathyroid adenoma | 1 (5.6) |
| Shwannoma | 1 (5.6) |
| Intrathoracic goiter | 1 (5.6) |
| Bronchogenic cyst | 1 (5.6) |
Continuous variables are expressed as median and interquartile range (25% quartile to 74% quartile). Categorical variables are expressed as count and percentage. RVATS, robotic assisted videothoracoscopic surgery.