4. @thearmclinic
Size does Matter!
• Tear Size is strongest predictor of failure:
• Independent of:
• Age
• Tissue Quality
• Time to Surgery
• Cho & Rhee. Clin Orth Surg. 2009
• Le, Lam, Murrell. AJSM. 2014
6. @thearmclinic
History
• InSpace Originally intended and marketed as an
alternative to repair of Massive Cuff Tears
• Why?
• High failure rates of repair
• Long recovery period
• Costly
• Complications • Brislin, Field, Savoie. Arthroscopy. 2007
7. @thearmclinic
InSpace Balloon
• Biodegradable PLLA copolymer
• Three sizes
• Filled with saline
• Starts to degrade at 2-3 months
• Fully disintegrated by 12 months
• Bozkurt M, Akkaya M, Gursoy S et al. Arthrosc Tech. 2005
• Holschen M, Brand F, Agneskirchner JD.Obere Extremität. 2016
• Reduces subacromial friction
• Extends the subacromial space
• Keeps humeral head centred
during dynamic movement
8. @thearmclinic
History
• First case series intended as a safety & efficacy study - Massive
Irreparable Cuff Tears
• Very low complication rate
• Good Results
• = humeroplasty, biceps tenotomy, etc.
• = Partial cuff repair series
• But not as good as results of Reverse Arthroplasty
• Jost, Pfirrmann, Gerber. JBJS. 2000
• Green A. JAAOS. 2003
• Dines DM, Moynihan DP, Dines JS, McCann P. JBJS. 2006
• Neri BR, Chan KW, Kwon YK. JSES. 2009
• Bedi A, Dines J, Warren RF, Dines DM. JBJS. 2010
9. @thearmclinic
So for MRCT:
InSpace Balloon:
• Quicker
• Easier
• Cheaper
• Safer
• Faster Recovery
Repair / Recon:
• Expensive
• Complex
• Long recovery
• Complications
• High failure
VALUE
11. @thearmclinic
RCT: InSpace vs Repair for MRCT
• RESULTS (Jan 2017):
• 24 subjects:
• 14 with 6m data = 9 Balloon & 5 Repair
• 1 Balloon patient withdrawn to RTS after 6m
• Results so far: NO DIFFERENCE at any stage
ClinicalTrials.gov: NCT02208440; REC ref: 13/NW/0754; Protocol: IS-CL-02-UK; IRAS: 122315
12. @thearmclinic
RCT: InSpace vs Repair for MRCT
ClinicalTrials.gov: NCT02208440; REC ref: 13/NW/0754; Protocol: IS-CL-02-UK; IRAS: 122315
13. @thearmclinic
RCT: InSpace vs Repair for MRCT
• Principal Investigators:
• Stephen Snyder, Southern
California
• Jonathan Bravman, Colorado
• Jonathan Levy, Florida
• Nikhil Verma, Illinois
• Scott Trnhaile, Illinois
• Uma Srikumaran, Maryland
• Anand Murthi, Maryland
• Laurence Higgins,
Massachusetts
• Laith Jazwari, New York
• Samer Hasan, Ohio
• Grant Jones, Ohio
• Joseph Abboud, Pennsylvania
• Ed Rugusky, Pennsylvania