Summary and characteristics of studies included
| Authors | Year | Study design | Outcome | Intervention n= | Pneumothorax type | Exclusions | Setting | Quality |
|---|---|---|---|---|---|---|---|---|
| Ho et al | 2011 | RCT | Need for second procedure | 25 (23 controls) | PSP | Tension pneumothorax, trauma, pleural effusions, SSP, bleeding disorders | Single centre. Singapore | Very good |
| Roeggla et al | 1996 | RCT | Need for second procedure | 19 (13 controls) | SP—not defined | None stated | Single centre. Austria | Moderate |
| Vallee et al | 1988 | Prospective series | Re-expansion | 37 | PSP (19), SSP (18) | Need for mechanical ventilation, hydrothorax, tension pneumothorax | Single centre. USA | Good |
| Marquette et al | 2006 | Prospective consecutive cases | Re-expansion | 41 | PSP | Previous pneumothorax | Single centre. France | Good |
| Dernevik et al | 2003 | Prospective series | Treatment as outpatient | 55 | PSP (35), SSP (20) | None stated | Single centre. Sweden | Moderate |
| Lai et al | 2012 | Retrospective case-note review | Need for second procedure | 55 | PSP | Tension pneumothorax | Single centre. Singapore | Poor |
| Ponn et al | 1997 | Retrospective series | Treatment as outpatient | 240 | PSP (96), SSP (80) | Pleural effusion, pleural infection | Single centre. USA | Poor |
| Hassani et al | 2009 | Retrospective case series | Re-expansion | 62 | PSP | SSP, IP, postsurgery, traumatic, tension pneumothorax, effusion | Single centre. Canada | Moderate |
| Campisi et al | 1997 | Retrospective case series | Treatment as outpatient | 14 | PSP (13), SSP (1) | None stated | Single centre. USA | Poor |
| Cannon et al | 1981 | Retrospective series | Treatment as outpatient | 41 | PSP (34), IP (7) | None stated | Single centre. USA | Poor |
| Mercier et al | 1976 | Case series | Treatment as outpatient | 226 | PSP (174), SSP (52) | None stated | Single centre. Canada | Poor |
| Page et al | 1975 | Retrospective case series | Treatment as outpatient | 104 | PSP | None stated | Single centre. Canada | Poor |
| Conces et al | 1988 | Retrospective case series | Re-expansion | 84 | PSP (14), IP (66) | None stated | Single centre. USA | Poor |
| Bernstein et al | 1973 | Retrospective case series | Re-expansion | 18 | SP—not defined | None stated | Single centre. UK | Poor |
| Minami et al | 1992 | Prospective case series | Re-expansion | 71 | SP—not defined | IP | Single centre. Japan | Moderate |
| Martin et al | 1996 | Retrospective case series | Re-expansion | 84 | PSP (11), SSP (21), IP (52) | hydropneumothorax, tension pneumothorax, need for mechanical ventilation | Single centre. USA | Moderate |
| Choi et al | 2007 | Retrospective case series | Treatment as outpatient | 47 | PSP (43), SSP (4) | Trauma, hydropneumothorax, pleural infection | Single centre. Korea | Moderate |
| Gupta et al | 2008 | Retrospective case series | Treatment as outpatient | 191 | IP | None stated | Single centre. USA | Moderate |
Intervention, use of a HV for treatment of a pneumothorax; IP, iatrogenic pneumothorax; PSP, primary spontaneous pneumothorax; RCT, randomised controlled trial; SP, spontaneous pneumothorax; SSP, secondary spontaneous pneumothorax.