Trial Outcomes & Findings for Pilot Testing a Home-Based Rehabilitation Intervention Designed to Improve Outcomes of Frail Veterans Following Cardiothoracic Surgery (NCT NCT03299101)

NCT ID: NCT03299101

Last Updated: 2021-01-13

Results Overview

Recruitment will be expressed as the percentage of eligible patients approached who agree to participate in this pilot study.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

35 participants

Primary outcome timeframe

Baseline

Results posted on

2021-01-13

Participant Flow

Participant milestones

Participant milestones
Measure
Prehabilitation
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Overall Study
STARTED
35
Overall Study
COMPLETED
25
Overall Study
NOT COMPLETED
10

Reasons for withdrawal

Reasons for withdrawal
Measure
Prehabilitation
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Overall Study
Lost to Follow-up
1
Overall Study
Withdrawal by Subject
5
Overall Study
Surgery was changed
3
Overall Study
Not enough time to complete prehab
1

Baseline Characteristics

Pilot Testing a Home-Based Rehabilitation Intervention Designed to Improve Outcomes of Frail Veterans Following Cardiothoracic Surgery

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Age, Categorical
<=18 years
0 Participants
n=99 Participants
Age, Categorical
Between 18 and 65 years
11 Participants
n=99 Participants
Age, Categorical
>=65 years
22 Participants
n=99 Participants
Age, Continuous
66.09 years
STANDARD_DEVIATION 7.66 • n=99 Participants
Sex: Female, Male
Female
2 Participants
n=99 Participants
Sex: Female, Male
Male
31 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
33 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
Race (NIH/OMB)
Asian
0 Participants
n=99 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=99 Participants
Race (NIH/OMB)
White
31 Participants
n=99 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
Region of Enrollment
United States
33 Participants
n=99 Participants
Risk Analysis Index
17.85 Score on a scale
STANDARD_DEVIATION 8.92 • n=99 Participants

PRIMARY outcome

Timeframe: Baseline

Population: 65 is the number of patients approached.

Recruitment will be expressed as the percentage of eligible patients approached who agree to participate in this pilot study.

Outcome measures

Outcome measures
Measure
Prehabilitation
n=65 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Recruitment Rate
35 Participants

PRIMARY outcome

Timeframe: 90 days postoperatively

Retention rate will be expressed as the percentage of enrolled patients who were retained in the study and completed study procedures. It will be calculated for incremental steps along the study timeline and at the completion of study procedures 90 days postoperatively.

Outcome measures

Outcome measures
Measure
Prehabilitation
n=35 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Retention Rate
25 Participants

PRIMARY outcome

Timeframe: Day of surgery

Population: All participants that self-reported their home training and/or showed their exercise or nutrition logs were analyzed.

Compliance rates will be expressed as the percentage of assigned activities actually completed by patients as recorded in home exercise and nutrition logs.

Outcome measures

Outcome measures
Measure
Prehabilitation
n=27 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Adherence Rate
Home Strength/Aerobic/Transition Training
78.85 percentage of activities completed
Standard Deviation 28.96
Adherence Rate
Home Breathing Training
86.30 percentage of activities completed
Standard Deviation 24.20
Adherence Rate
Home Nutrition Log
64.09 percentage of activities completed
Standard Deviation 14.10

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the hand grip assessment were analyzed at each completed timepoint.

Grip strength will be measured in kilograms of pressure using a Smedley grip dynamometer

Outcome measures

Outcome measures
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Grip Strength Over the Course of Treatment and Recovery.
Baseline Grip Strength
31.52 kgf/cm2
Standard Deviation 9.27
Change in Grip Strength Over the Course of Treatment and Recovery.
Day of Surgery Grip Strength
32.19 kgf/cm2
Standard Deviation 7.89
Change in Grip Strength Over the Course of Treatment and Recovery.
90 Days Post Surgery
31.13 kgf/cm2
Standard Deviation 9.99

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the pulmonary function assessments were analyzed at each completed timepoint.

Pulmonary function will be measured in terms of maximum MIP (maximal inspiratory pressure).

Outcome measures

Outcome measures
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Pulmonary Function Over the Course of Treatment and Recovery: Max MIP
Baseline Max MIP
71.42 cm of H2O
Standard Deviation 24.54
Change in Pulmonary Function Over the Course of Treatment and Recovery: Max MIP
Day of surgery Max MIP
77.96 cm of H2O
Standard Deviation 24.23
Change in Pulmonary Function Over the Course of Treatment and Recovery: Max MIP
90 Day Postop Max MIP
79.82 cm of H2O
Standard Deviation 26.86

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the pulmonary function assessments were analyzed at each completed timepoint.

Pulmonary function will be measured in terms of mean maximal inspiratory pressure (MIP).

Outcome measures

Outcome measures
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Pulmonary Function Over the Course of Treatment and Recovery: Mean MIP
Baseline Mean MIP
60.69 cm of H2O
Standard Deviation 23.57
Change in Pulmonary Function Over the Course of Treatment and Recovery: Mean MIP
Day of surgery Mean MIP
69.38 cm of H2O
Standard Deviation 23.11
Change in Pulmonary Function Over the Course of Treatment and Recovery: Mean MIP
90 Day Postop Mean MIP
71.43 cm of H2O
Standard Deviation 26.10

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the pulmonary function assessments were analyzed at each completed timepoint.

Pulmonary function will be measured in terms of maximum MEP (maximal expiratory pressures)

Outcome measures

Outcome measures
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Pulmonary Function Over the Course of Treatment and Recovery: Max MEP
Baseline Max MEP
108.09 cm of H2O
Standard Deviation 33.64
Change in Pulmonary Function Over the Course of Treatment and Recovery: Max MEP
Day of surgery Max MEP
120.81 cm of H2O
Standard Deviation 30.40
Change in Pulmonary Function Over the Course of Treatment and Recovery: Max MEP
90 Day Postop Max MEP
123.64 cm of H2O
Standard Deviation 32.64

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the pulmonary function assessments were analyzed at each completed timepoint.

Pulmonary function will be measured in terms of mean maximal expiratory pressures (MEP).

Outcome measures

Outcome measures
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Pulmonary Function Over the Course of Treatment and Recovery: Mean MEP
Baseline Mean MEP
98.48 cm of H2O
Standard Deviation 32.90
Change in Pulmonary Function Over the Course of Treatment and Recovery: Mean MEP
Day of surgery Mean MEP
111.22 cm of H2O
Standard Deviation 28.62
Change in Pulmonary Function Over the Course of Treatment and Recovery: Mean MEP
90 Day Postop Mean MEP
112.01 cm of H2O
Standard Deviation 31.72

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the pulmonary function assessments were analyzed at each completed timepoint.

Pulmonary function will be measured in terms of maximum sustained MIP (SMIP).

Outcome measures

Outcome measures
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Pulmonary Function Over the Course of Treatment and Recovery: Max SMIP
Baseline Max SMIP
416.55 cm of H2O
Standard Deviation 197.85
Change in Pulmonary Function Over the Course of Treatment and Recovery: Max SMIP
Day of surgery Max SMIP
434.48 cm of H2O
Standard Deviation 192.42
Change in Pulmonary Function Over the Course of Treatment and Recovery: Max SMIP
90 Day Postop Max SMIP
466.77 cm of H2O
Standard Deviation 197.27

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the pulmonary function assessments were analyzed at each completed timepoint.

Pulmonary function will be measured in terms of mean sustained MIP (SMIP).

Outcome measures

Outcome measures
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Pulmonary Function Over the Course of Treatment and Recovery: Mean SMIP
Day of surgery Mean SMIP
393.86 cm of H2O
Standard Deviation 185.85
Change in Pulmonary Function Over the Course of Treatment and Recovery: Mean SMIP
Baseline Mean SMIP
364.36 cm of H2O
Standard Deviation 171.33
Change in Pulmonary Function Over the Course of Treatment and Recovery: Mean SMIP
90 Day Postop Mean SMIP
435.94 cm of H2O
Standard Deviation 202.14

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the blood draw were analyzed at each completed timepoint. Additionally, there was an error in the lab when processing the blood samples, this caused many samples to be evaluated incorrectly. Only correctly analyzed labs were included in this analysis.

Higher levels indicate greater levels of protein. Lower levels indicate the potential of inflammation. normal range is 18-41, Below 18 is lower than normal, above 41 is higher than normal

Outcome measures

Outcome measures
Measure
Prehabilitation
n=23 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Serum Prealbumin Over the Course of Treatment and Recovery
Baseline Serum Prealbumin
26.27 mg/dL
Standard Deviation 5.57
Serum Prealbumin Over the Course of Treatment and Recovery
Day of surgery Serum Prealbumin
26.50 mg/dL
Standard Deviation 4.52
Serum Prealbumin Over the Course of Treatment and Recovery
90 Day Postop Serum Prealbumin
25.13 mg/dL
Standard Deviation 6.48

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the gait speed assessment were analyzed at each completed timepoint.

Gait speed will be measured by using a stopwatch to time how long the patient takes to walk 4 meters

Outcome measures

Outcome measures
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Gait Speed Over the Course of Treatment and Recovery
Baseline Gait Speed
1.16 m/s
Standard Deviation 0.32
Change in Gait Speed Over the Course of Treatment and Recovery
Day of surgery Gait Speed
1.33 m/s
Standard Deviation 0.28
Change in Gait Speed Over the Course of Treatment and Recovery
90 Day Postop Gait Speed
1.36 m/s
Standard Deviation 0.37

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the SPPB assessments were analyzed at each completed timepoint.

This standardized outcome measure asks patients to complete several activities that are scored independently and then aggregated into an overall score ranging from 0-12. Higher scores indicate better physical performance.

Outcome measures

Outcome measures
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Short Physical Performance Battery (SPPB) Over the Course of Treatment and Recovery
Baseline SPPB
10.44 score on a scale
Standard Deviation 1.74
Change in Short Physical Performance Battery (SPPB) Over the Course of Treatment and Recovery
Day of surgery SPPB
10.83 score on a scale
Standard Deviation 1.17
Change in Short Physical Performance Battery (SPPB) Over the Course of Treatment and Recovery
90 Day Postop SPPB
10.64 score on a scale
Standard Deviation 1.94

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the RAI assessment were analyzed at each completed timepoint.

This recently published frailty index is assessed by a clinician administered questionnaire. The score and reflects frailty-associated mortality risk ranging from 0-81. Higher scores indicate higher risk for post operative complications and other frailty-related outcomes.

Outcome measures

Outcome measures
Measure
Prehabilitation
n=33 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Risk Analysis Index of Frailty (RAI) Over the Course of Treatment and Recovery
Baseline RAI
17.85 score on a scale
Standard Deviation 8.92
Change in Risk Analysis Index of Frailty (RAI) Over the Course of Treatment and Recovery
Day of surgery RAI
20.40 score on a scale
Standard Deviation 8.69
Change in Risk Analysis Index of Frailty (RAI) Over the Course of Treatment and Recovery
90 Day Postop RAI
23.30 score on a scale
Standard Deviation 9.16

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the Subjective Global Assessment were analyzed at each completed timepoint.

This standardized survey instrument is completed by a trained clinician after assessing a nutrition-specific patient history. The minimum score is 1 and the maximum score is 7. High scores indicate better nourishment.

Outcome measures

Outcome measures
Measure
Prehabilitation
n=26 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in 7-point Subjective Global Assessment (SGA) of Nutrition Over the Course of Treatment and Recovery
Baseline SGA
6.04 score on a scale
Standard Deviation 0.60
Change in 7-point Subjective Global Assessment (SGA) of Nutrition Over the Course of Treatment and Recovery
Day of Surgery SGA
6.00 score on a scale
Standard Deviation 0.33
Change in 7-point Subjective Global Assessment (SGA) of Nutrition Over the Course of Treatment and Recovery
90 Day Postop SGA
5.95 score on a scale
Standard Deviation 0.59

SECONDARY outcome

Timeframe: Baseline, day of surgery, 90 days postoperatively

Population: All participants that completed the six minute walk test were analyzed at each completed timepoint.

This standardized approach measures the distance in meters walked during 6 minutes.

Outcome measures

Outcome measures
Measure
Prehabilitation
n=32 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in 6 Minute Walk Test Over the Course of Treatment and Recovery
Day of Surgery 6 Minute Walk Distance
400.33 meters
Standard Deviation 101.07
Change in 6 Minute Walk Test Over the Course of Treatment and Recovery
Baseline 6 Minute Walk Distance
366.49 meters
Standard Deviation 108.68
Change in 6 Minute Walk Test Over the Course of Treatment and Recovery
90 Day Postop 6 Minute Walk Distance
386.96 meters
Standard Deviation 94.70

SECONDARY outcome

Timeframe: Baseline, day of surgery, 30-days postoperatively, 90-days postoperatively

Population: All participants that completed all of the AQoL6D assessment were analyzed at each completed timepoint.

Assessment of Quality of Life (AQoL-6D) survey. Scores range from 0 to 1. The higher the score, the better the quality of life.

Outcome measures

Outcome measures
Measure
Prehabilitation
n=25 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Health Related Quality of Life Over the Course of Treatment and Recovery
Baseline AQoL6D Utility Score
0.72 score on a scale
Standard Deviation 0.16
Change in Health Related Quality of Life Over the Course of Treatment and Recovery
Day of surgery AQoL6D Utility Score
0.75 score on a scale
Standard Deviation 0.13
Change in Health Related Quality of Life Over the Course of Treatment and Recovery
90 Day Postop AQoL6D Utility Score
0.77 score on a scale
Standard Deviation 0.13

OTHER_PRE_SPECIFIED outcome

Timeframe: Day of Surgery and 30-days postoperatively

Population: All participants that completed the every question of the AHRQ SCS total communication section assessment were analyzed at each completed timepoint.

Agency for Healthcare Research and Quality (AHRQ) Surgical Care Survey (SCS) total communication section. Values are scored on a 3 point scale where 1 is good and 3 bad

Outcome measures

Outcome measures
Measure
Prehabilitation
n=25 Participants
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Change in Quality of Surgical Care Over the Course of Treatment and Recovery
Day of surgery Total Communication
1.08 score on a scale
Standard Deviation 0.16
Change in Quality of Surgical Care Over the Course of Treatment and Recovery
30 Day Postop Total Communication
1.13 score on a scale
Standard Deviation 0.43

Adverse Events

Prehabilitation

Serious events: 7 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Prehabilitation
n=35 participants at risk
Prospective sample of patients anticipating cardiothoracic surgery. Prehabilitation: Prehabilitation will last 4 weeks and consist of a novel, home-based regimen of (a) aerobic conditioning; (b) strength and coordination training; (c) respiratory muscle training; and (d) nutritional coaching and supplementation.
Blood and lymphatic system disorders
Orthostatic Hypotension
2.9%
1/35 • Number of events 1 • Adverse events were collected for each participant, from the time of enrollment, usually 3-6 weeks prior to surgery, to first final follow up, 90 days after surgery. Adverse events were collected over a time period of approximately four months.
Vascular disorders
Suspected ischemic stroke
2.9%
1/35 • Number of events 1 • Adverse events were collected for each participant, from the time of enrollment, usually 3-6 weeks prior to surgery, to first final follow up, 90 days after surgery. Adverse events were collected over a time period of approximately four months.
General disorders
Unrelated inpatient hospitalization
2.9%
1/35 • Number of events 2 • Adverse events were collected for each participant, from the time of enrollment, usually 3-6 weeks prior to surgery, to first final follow up, 90 days after surgery. Adverse events were collected over a time period of approximately four months.
General disorders
Detox
2.9%
1/35 • Number of events 1 • Adverse events were collected for each participant, from the time of enrollment, usually 3-6 weeks prior to surgery, to first final follow up, 90 days after surgery. Adverse events were collected over a time period of approximately four months.
Respiratory, thoracic and mediastinal disorders
Unrelated inpatient hospitalization
2.9%
1/35 • Number of events 2 • Adverse events were collected for each participant, from the time of enrollment, usually 3-6 weeks prior to surgery, to first final follow up, 90 days after surgery. Adverse events were collected over a time period of approximately four months.
Injury, poisoning and procedural complications
Post-operative pain unrealted inpatient hospitalization
2.9%
1/35 • Number of events 1 • Adverse events were collected for each participant, from the time of enrollment, usually 3-6 weeks prior to surgery, to first final follow up, 90 days after surgery. Adverse events were collected over a time period of approximately four months.
Surgical and medical procedures
Second unexpect surgery
2.9%
1/35 • Number of events 1 • Adverse events were collected for each participant, from the time of enrollment, usually 3-6 weeks prior to surgery, to first final follow up, 90 days after surgery. Adverse events were collected over a time period of approximately four months.

Other adverse events

Adverse event data not reported

Additional Information

Dr. Daniel E Hall

Pittsburgh VA Healthcare System, CHERP

Phone: 4123602016

Results disclosure agreements

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