Pandolfino et al. Case-control study 41 patients and 44 3/85 procedures (3.5%): (2003)a volunteers Level: IV 2 capsules failed to deploy from catheter Quality: Q1 1 detachment failure CX (clinical diagnosis) P3 Remes-Troche et Prospective case 84 patients 7/84 procedures (8.3%): al. (2005) series 4 attachment failures Level: IV 3 early detachments Quality: Q1 CX P2 Bansal et al. Case series 48 patients 8/48 procedures: (16.7%) (2009) Level: IV 4 premature detachments Quality: Q1 2 cardia placements CX 2 incomplete data captures P2 Marchese et al. Prospective case 38 patients 2/38 procedures (5.3%): (2006) series 1 capsule displacement (in the stomach) Level: IV 1 failure because of previous nasal surgery (tight Quality: Q1 nasal vault?) CX P2 Tu et al. (2004) Prospective case 30 patients 1/30 procedures (3.3%) series 1 attachment failure Level: IV Quality: Q1 CX P2 Bhat, McGrath & Prospective case 217 patients 10/217 procedures (4.6%): Bielefeldt (2006) series 1 capsule failed to deploy from catheter Level: IV 2 receiver malfunction Quality: Q2 7 early detachments CX P2 Turner et al. Case series 191 patients 42/191 procedures (22.0%): (2007) Level: IV 27 incomplete data captures Quality: Q2 15 early detachment CX P2 Gillies et al. Non-randomised 100 procedures (85 17/100 procedures (17%) (2007)a controlled trial patients) in 7 early detachments group Level IV 4 incomplete or no data capture Quality: Q2 6 failures of attachment to the oesophageal CX mucosa P2
Pandolfino et al. (2003)a Case-control study Level: IV Quality: Q1 CX (clinical diagnosis) P3 41 patients and 44 volunteers 3/85 procedures (3.5%): 2 capsules failed to deploy from catheter 1 detachment failure Remes-Troche et al. (2005) Prospective case series Level: IV Quality: Q1 CX P2 84 patients 7/84 procedures (8.3%): 4 attachment failures 3 early detachments Bansal et al. (2009) Case series Level: IV Quality: Q1 CX P2 48 patients 8/48 procedures: (16.7%) 4 premature detachments 2 cardia placements 2 incomplete data captures Marchese et al. (2006) Prospective case series Level: IV Quality: Q1 CX P2 38 patients 2/38 procedures (5.3%): 1 capsule displacement (in the stomach) 1 failure because of previous nasal surgery (tight nasal vault?) Tu et al. (2004) Prospective case series Level: IV Quality: Q1 CX P2 30 patients 1/30 procedures (3.3%) 1 attachment failure Bhat, McGrath & Bielefeldt (2006) Prospective case series Level: IV Quality: Q2 CX P2 217 patients 10/217 procedures (4.6%): 1 capsule failed to deploy from catheter 2 receiver malfunction 7 early detachments Turner et al. (2007) Case series Level: IV Quality: Q2 CX P2 191 patients 42/191 procedures (22.0%): 27 incomplete data captures 15 early detachment Gillies et al. (2007)a Non-randomised controlled trial Level IV Quality: Q2 CX P2 100 procedures (85 patients) in group 17/100 procedures (17%) 7 early detachments 4 incomplete or no data capture 6 failures of attachment to the oesophageal mucosa