Trial Outcomes & Findings for Cryoanalgesia vs. Epidural in the Nuss Procedure (NCT NCT02721017)

NCT ID: NCT02721017

Last Updated: 2021-05-05

Results Overview

the length of the patient's in-hospital stay following admission for Nuss procedure

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

20 participants

Primary outcome timeframe

estimated one week or less

Results posted on

2021-05-05

Participant Flow

Twenty consecutive patients were recruited from those scheduled for the Nuss procedure.

Exclusion criteria were age \<13 years, chest wall anomaly other than pectus excavatum, previous repair or other thoracic surgery, and chronic use of pain medications.

Participant milestones

Participant milestones
Measure
Cryoanalgesia
Cryoanalgesia performed thoracoscopically under general anesthesia by the patient's surgeon at the time of the Nuss procedure Cryoanalgesia
Thoracic Epidural
Thoracic epidural (ropivicaine, fentanyl). Thoracic epidural (ropivicaine, fentanyl): Epidural infusion was begun with with 0.1% ropivicaine and 2 mg/cc fentanyl.
Hospital Stay
STARTED
10
10
Hospital Stay
COMPLETED
10
10
Hospital Stay
NOT COMPLETED
0
0
Participant Follow Up
STARTED
10
10
Participant Follow Up
COMPLETED
10
10
Participant Follow Up
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cryoanalgesia
n=10 Participants
Cryoanalgesia performed thoracoscopically under general anesthesia by the patient's surgeon at the time of the Nuss procedure Cryoanalgesia
Thoracic Epidural
n=10 Participants
Thoracic epidural (ropivicaine, fentanyl). Thoracic epidural (ropivicaine, fentanyl): Epidural infusion was begun with with 0.1% ropivicaine and 2 mg/cc fentanyl.
Total
n=20 Participants
Total of all reporting groups
Age, Categorical
<=18 years
4 Participants
n=10 Participants
7 Participants
n=10 Participants
11 Participants
n=20 Participants
Age, Categorical
Between 18 and 65 years
6 Participants
n=10 Participants
3 Participants
n=10 Participants
9 Participants
n=20 Participants
Age, Categorical
>=65 years
0 Participants
n=10 Participants
0 Participants
n=10 Participants
0 Participants
n=20 Participants
Age, Continuous
20.9 years
n=10 Participants
16.1 years
n=10 Participants
18.5 years
n=20 Participants
Sex: Female, Male
Female
1 Participants
n=10 Participants
2 Participants
n=10 Participants
3 Participants
n=20 Participants
Sex: Female, Male
Male
9 Participants
n=10 Participants
8 Participants
n=10 Participants
17 Participants
n=20 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United States
10 Participants
n=10 Participants
10 Participants
n=10 Participants
20 Participants
n=20 Participants

PRIMARY outcome

Timeframe: estimated one week or less

the length of the patient's in-hospital stay following admission for Nuss procedure

Outcome measures

Outcome measures
Measure
Cryoanalgesia
n=10 Participants
Cryoanalgesia performed thoracoscopically under general anesthesia by the patient's surgeon at the time of the Nuss procedure.
Thoracic Epidural
n=10 Participants
Thoracic epidural (ropivicaine, fentanyl). Thoracic epidural (ropivicaine, fentanyl): Epidural infusion was begun with with 0.1% ropivicaine and 2 mg/cc fentanyl.
Length of Hospitalization
3 Length of Stay (Post-Operative Days)
Interval 2.0 to 4.0
5 Length of Stay (Post-Operative Days)
Interval 4.0 to 6.0

SECONDARY outcome

Timeframe: Post Operative Hospital Stay

Inpatient narcotic usage

Outcome measures

Outcome measures
Measure
Cryoanalgesia
n=10 Participants
Cryoanalgesia performed thoracoscopically under general anesthesia by the patient's surgeon at the time of the Nuss procedure.
Thoracic Epidural
n=10 Participants
Thoracic epidural (ropivicaine, fentanyl). Thoracic epidural (ropivicaine, fentanyl): Epidural infusion was begun with with 0.1% ropivicaine and 2 mg/cc fentanyl.
Narcotic Usage
268 mg
Standard Deviation 165.2
684 mg
Standard Deviation 191.8

SECONDARY outcome

Timeframe: one year

Neuropathic specific pain (described as "burning", "electrical" or "tingling" sensations) was assessed by study questionnaire via numerical pain scale (1 to 10, with 10 representing a maximum score, or worst pain possible).

Outcome measures

Outcome measures
Measure
Cryoanalgesia
n=10 Participants
Cryoanalgesia performed thoracoscopically under general anesthesia by the patient's surgeon at the time of the Nuss procedure.
Thoracic Epidural
n=10 Participants
Thoracic epidural (ropivicaine, fentanyl). Thoracic epidural (ropivicaine, fentanyl): Epidural infusion was begun with with 0.1% ropivicaine and 2 mg/cc fentanyl.
Mean Neuropathic Pain Score at One Year
2.4 score on a scale
Standard Deviation 2.69
1.9 score on a scale
Standard Deviation 1.34

SECONDARY outcome

Timeframe: estimated one week

Population: Cost analysis was not performed, as these data were not collected.

cost analysis of initial hospitalization following Nuss procedure

Outcome measures

Outcome data not reported

Adverse Events

Cryoanalgesia

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

Thoracic Epidural

Serious events: 2 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Cryoanalgesia
n=10 participants at risk
Cryoanalgesia performed thoracoscopically under general anesthesia by the patient's surgeon at the time of the Nuss procedure Cryoanalgesia
Thoracic Epidural
n=10 participants at risk
Thoracic epidural (ropivicaine, fentanyl). Thoracic epidural (ropivicaine, fentanyl): Epidural infusion was begun with with 0.1% ropivicaine and 2 mg/cc fentanyl.
Nervous system disorders
Paraplegia
0.00%
0/10 • All adverse events reported post operatively at the 2 week, 1 month, 3 month and 1 year follow up points were collected. In addition all serious adverse events that occurred following enrollment were as well collected. The collection period for all serious adverse events began after informed consent was obtained and ended after procedures for the final study visit had been completed at the 1 year post-operative mark.
0.00%
0/10 • All adverse events reported post operatively at the 2 week, 1 month, 3 month and 1 year follow up points were collected. In addition all serious adverse events that occurred following enrollment were as well collected. The collection period for all serious adverse events began after informed consent was obtained and ended after procedures for the final study visit had been completed at the 1 year post-operative mark.
Respiratory, thoracic and mediastinal disorders
Symptomatic Pneumothorax
0.00%
0/10 • All adverse events reported post operatively at the 2 week, 1 month, 3 month and 1 year follow up points were collected. In addition all serious adverse events that occurred following enrollment were as well collected. The collection period for all serious adverse events began after informed consent was obtained and ended after procedures for the final study visit had been completed at the 1 year post-operative mark.
10.0%
1/10 • Number of events 1 • All adverse events reported post operatively at the 2 week, 1 month, 3 month and 1 year follow up points were collected. In addition all serious adverse events that occurred following enrollment were as well collected. The collection period for all serious adverse events began after informed consent was obtained and ended after procedures for the final study visit had been completed at the 1 year post-operative mark.
Infections and infestations
Wound Infection
0.00%
0/10 • All adverse events reported post operatively at the 2 week, 1 month, 3 month and 1 year follow up points were collected. In addition all serious adverse events that occurred following enrollment were as well collected. The collection period for all serious adverse events began after informed consent was obtained and ended after procedures for the final study visit had been completed at the 1 year post-operative mark.
0.00%
0/10 • All adverse events reported post operatively at the 2 week, 1 month, 3 month and 1 year follow up points were collected. In addition all serious adverse events that occurred following enrollment were as well collected. The collection period for all serious adverse events began after informed consent was obtained and ended after procedures for the final study visit had been completed at the 1 year post-operative mark.
Renal and urinary disorders
Urinary Retention
0.00%
0/10 • All adverse events reported post operatively at the 2 week, 1 month, 3 month and 1 year follow up points were collected. In addition all serious adverse events that occurred following enrollment were as well collected. The collection period for all serious adverse events began after informed consent was obtained and ended after procedures for the final study visit had been completed at the 1 year post-operative mark.
10.0%
1/10 • Number of events 1 • All adverse events reported post operatively at the 2 week, 1 month, 3 month and 1 year follow up points were collected. In addition all serious adverse events that occurred following enrollment were as well collected. The collection period for all serious adverse events began after informed consent was obtained and ended after procedures for the final study visit had been completed at the 1 year post-operative mark.
Infections and infestations
Infection from indwelling thoracic epidural catheter
0.00%
0/10 • All adverse events reported post operatively at the 2 week, 1 month, 3 month and 1 year follow up points were collected. In addition all serious adverse events that occurred following enrollment were as well collected. The collection period for all serious adverse events began after informed consent was obtained and ended after procedures for the final study visit had been completed at the 1 year post-operative mark.
0.00%
0/10 • All adverse events reported post operatively at the 2 week, 1 month, 3 month and 1 year follow up points were collected. In addition all serious adverse events that occurred following enrollment were as well collected. The collection period for all serious adverse events began after informed consent was obtained and ended after procedures for the final study visit had been completed at the 1 year post-operative mark.

Other adverse events

Adverse event data not reported

Additional Information

Dr. Benjamin Padilla

University of California San Francisco Department of Surgery

Phone: 415-476-3642

Results disclosure agreements

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