Trial Outcomes & Findings for Comparative Effectiveness of Peripheral Nerve Blocks for Outpatient Shoulder Surgery (NCT NCT03309644)

NCT ID: NCT03309644

Last Updated: 2025-01-06

Results Overview

Composite outcome: 1) unplanned admissions on the day of surgery, 2) post-discharge ED visits within 30 days of surgery, 3) readmission within 30 days of surgery, and 4) death from any cause.

Recruitment status

COMPLETED

Target enrollment

1623 participants

Primary outcome timeframe

From day of surgery to 30 days after surgery

Results posted on

2025-01-06

Participant Flow

Participant milestones

Participant milestones
Measure
Peripheral Nerve Block
Peripheral nerve block Peripheral nerve blockade: Participants who receive a peripheral nerve block identified through the medical chart.
No Peripheral Nerve Block
No peripheral nerve block No peripheral nerve blockade: Participants who did not receive a peripheral nerve block identified through the medical chart.
Overall Study
STARTED
1382
241
Overall Study
COMPLETED
1382
241
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Six missing values for ASA score, all from the 'No PNB' group

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Peripheral Nerve Block
n=1382 Participants
Peripheral nerve block Peripheral nerve blockade: Participants who receive a peripheral nerve block identified through the medical chart.
No Peripheral Nerve Block
n=241 Participants
No peripheral nerve block No peripheral nerve blockade: Participants who did not receive a peripheral nerve block identified through the medical chart.
Total
n=1623 Participants
Total of all reporting groups
Age, Continuous
50.1 years
STANDARD_DEVIATION 15.4 • n=1382 Participants
47.1 years
STANDARD_DEVIATION 15.4 • n=241 Participants
49.7 years
STANDARD_DEVIATION 15.4 • n=1623 Participants
Sex: Female, Male
Female
455 Participants
n=1382 Participants
86 Participants
n=241 Participants
541 Participants
n=1623 Participants
Sex: Female, Male
Male
927 Participants
n=1382 Participants
155 Participants
n=241 Participants
1082 Participants
n=1623 Participants
Year of Surgery
2011/12
517 Participants
n=1382 Participants
131 Participants
n=241 Participants
648 Participants
n=1623 Participants
Year of Surgery
2013/14
422 Participants
n=1382 Participants
74 Participants
n=241 Participants
496 Participants
n=1623 Participants
Year of Surgery
2015/16
443 Participants
n=1382 Participants
36 Participants
n=241 Participants
479 Participants
n=1623 Participants
Elixhauser comorbidity index
< 0
0 Participants
n=1382 Participants
0 Participants
n=241 Participants
0 Participants
n=1623 Participants
Elixhauser comorbidity index
0
1380 Participants
n=1382 Participants
240 Participants
n=241 Participants
1620 Participants
n=1623 Participants
Elixhauser comorbidity index
1-5
0 Participants
n=1382 Participants
0 Participants
n=241 Participants
0 Participants
n=1623 Participants
Elixhauser comorbidity index
> 5
0 Participants
n=1382 Participants
0 Participants
n=241 Participants
0 Participants
n=1623 Participants
Elixhauser comorbidity index
Unable to report due to small cell size
2 Participants
n=1382 Participants
1 Participants
n=241 Participants
3 Participants
n=1623 Participants
Surgery Location
Shoulder joint
852 Participants
n=1382 Participants
188 Participants
n=241 Participants
1040 Participants
n=1623 Participants
Surgery Location
Rotator cuff
528 Participants
n=1382 Participants
45 Participants
n=241 Participants
573 Participants
n=1623 Participants
Surgery Location
Shoulder muscle
2 Participants
n=1382 Participants
8 Participants
n=241 Participants
10 Participants
n=1623 Participants
American Society of Anesthesiology (ASA) Score
< 2
1054 Participants
n=1382 Participants • Six missing values for ASA score, all from the 'No PNB' group
183 Participants
n=235 Participants • Six missing values for ASA score, all from the 'No PNB' group
1237 Participants
n=1617 Participants • Six missing values for ASA score, all from the 'No PNB' group
American Society of Anesthesiology (ASA) Score
> 2
328 Participants
n=1382 Participants • Six missing values for ASA score, all from the 'No PNB' group
52 Participants
n=235 Participants • Six missing values for ASA score, all from the 'No PNB' group
380 Participants
n=1617 Participants • Six missing values for ASA score, all from the 'No PNB' group
Surgery type
Arthroscopic
1297 Participants
n=1382 Participants
212 Participants
n=241 Participants
1509 Participants
n=1623 Participants
Surgery type
Open
85 Participants
n=1382 Participants
29 Participants
n=241 Participants
114 Participants
n=1623 Participants
Campus
Civic
143 Participants
n=1382 Participants
24 Participants
n=241 Participants
167 Participants
n=1623 Participants
Campus
General
487 Participants
n=1382 Participants
129 Participants
n=241 Participants
616 Participants
n=1623 Participants
Campus
Riverside
752 Participants
n=1382 Participants
88 Participants
n=241 Participants
840 Participants
n=1623 Participants

PRIMARY outcome

Timeframe: From day of surgery to 30 days after surgery

Composite outcome: 1) unplanned admissions on the day of surgery, 2) post-discharge ED visits within 30 days of surgery, 3) readmission within 30 days of surgery, and 4) death from any cause.

Outcome measures

Outcome measures
Measure
Peripheral Nerve Block
n=1382 Participants
Peripheral nerve block Peripheral nerve blockade: Participants who receive a peripheral nerve block identified through the medical chart.
No Peripheral Nerve Block
n=241 Participants
No peripheral nerve block No peripheral nerve blockade: Participants who did not receive a peripheral nerve block identified through the medical chart.
Postoperative Complication
Composite outcome
130 Participants
23 Participants
Postoperative Complication
Unplanned admission
20 Participants
12 Participants
Postoperative Complication
Readmission within 30 days
11 Participants
3 Participants
Postoperative Complication
ED visits within 30 days
111 Participants
11 Participants

SECONDARY outcome

Timeframe: From day of surgery to 30 days after surgery

Calculated using validated algorithms

Outcome measures

Outcome measures
Measure
Peripheral Nerve Block
n=1357 Participants
Peripheral nerve block Peripheral nerve blockade: Participants who receive a peripheral nerve block identified through the medical chart.
No Peripheral Nerve Block
n=231 Participants
No peripheral nerve block No peripheral nerve blockade: Participants who did not receive a peripheral nerve block identified through the medical chart.
Health System Costs in the 30 Days After Surgery
0 dollars
Interval 0.0 to 0.0
0 dollars
Interval 0.0 to 0.0

Adverse Events

Peripheral Nerve Block

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

No Peripheral Nerve Block

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Daniel McIsaac

The Ottawa Hospital

Phone: 613-761-4940

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place