- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03930784
A Real-world Study to Examine the Relationship Between Simple Physical Functioning Tests, Complications and Recovery Following Abdominal Surgery.
A Real-world Study to Examine the Relationship Between Simple Physical Functioning Tests, Complications and Recovery Following Abdominal Surgery - a Prospective Cohort Study
Background: Complications impact physical and psychological recovery and are associated with financial cost. General physical function has not been studied in relation to the development of surgical complications in this cohort.
Objective: Evaluate the physical function performance differences between those who develop complications and those who do not and determine their impact on recovery.
Design: Observational Setting: The pre-operative assessment unit in the University Hospital Limerick. Patients: Forty-nine participants who were planned to undergo abdominal surgery were recruited & 43 completed the study.
Main outcome measure: Demographics, physical function, lung function, surgical parameters, complications and recovery data was collected.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Written consent to participate in the study
- Eighteen years or above
- Planned for elective abdominal surgery
- American Society of Anaesthesia physical status score <4.
Exclusion Criteria:
- Abdominal surgery within one year prior to study entry
- Unable or unwilling to give informed consent
- Inability (cognitive) to perform the pre-operative tests, as characterised by inability to understand the information in the patient information leaflet
- Current systemic acute illness
- Scheduled for non-abdominal surgery
- Unstable angina or myocardial infarction in the previous month
- Physical limitation precluding inability to participate in pre-operative tests.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Participants
Divided for analysis as having suffered post-operative complications or not
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of participants with complications & changes over time points.
Time Frame: (1) 0-29 days, (2) 30 and (3) 60 days post operatively
|
Defined as occuring within the first 30 days post-operatively using the Clavien Dindo classification
|
(1) 0-29 days, (2) 30 and (3) 60 days post operatively
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Spirometry to measure lung function
Time Frame: 2-4 weeks pre-operatively
|
Spirometry was performed to obtain the participant's vital capacity, forced vital capacity, forced expiratory pressure in one second ratio and peak expiratory flow rate. The instructions and methods used were as per the American Thoracic Society Guidelines 2005. Testing required participants to perform two different tests, three times each. In the initial test, participants were seated and instructed to inhale as deeply as possible before blowing into the spirometer until they felt they needed to inhale again. The second test required them to be seated and after a maximal inhalation, to exhale as forcefully as they could until they felt the need to inhale again. Results were recorded numerically and as a percentage compared to norms of the same sex, race, age, and height. This data was generated by the spirometer (Vitalograph Model 2120 Hand Held REF 79XXX) post testing. |
2-4 weeks pre-operatively
|
Peak Cough Flow to measure cough strength
Time Frame: 2-4 weeks pre-operatively
|
This was performed by attaching a naso-oral mask to a peak flow meter (Mini- Wright Peak Flow Meter, Clement Clarke International).
Figure 2.5.
Participants were requested to inhale maximally, in a seated position, prior to placing the mask over their nose and mouth, and coughing forcefully.
This was repeated three times to give numerical scores.
The highest score was recorded.
New face masks and flow meters were used for each patient.
Results were recorded in litres per minute (L/min).
The researcher attempted to limit any reliability bias by using standardised instructions and corrections as required.
|
2-4 weeks pre-operatively
|
Six Minute Walk Test to measure exercise capacity
Time Frame: 2-4 weeks pre-operatively
|
This was performed as per the ATS guidelines 2002, as recommended by Biccard 2005.
Participants were instructed to walk up and down a thirty-metre distance, over a six-minute period, and each length was recorded.
The thirty-metre distance was measured with each metre marked, and the same area used for each test.
If they were not at a start or endpoint at the six-minute mark, the distance that they had covered was recorded.
Predicted distance was calculated against normative data based on age, sex, weight and height.
Participants peak oxygen uptake (VO2Peak) was also calculated as per Ross et al 2010.
|
2-4 weeks pre-operatively
|
Thirty Second Sit to Stand Test to measure endurance
Time Frame: 2-4 weeks pre-operatively
|
Participants were asked to go from a seated to standing position and vice versa, as many times as possible in thirty seconds, without the use of their hands to assist.
The same standard height chair (17 inches) was used throughout which was placed against a wall for safety.
Participants were instructed by the researcher when to start and stop, using a standard stopwatch.
When the clock reached thirty seconds, if they were more than half way to a full stand, this was regarded as a stand.Results were recorded as numerical data.
|
2-4 weeks pre-operatively
|
Grip strength.
Time Frame: 2-4 weeks pre-operatively
|
Grip strength was recorded, using a Baseline hydraulic hand held dynamometer, as a measure of overall physical function, independent of lower limb strength.Participants were asked to squeeze the dynamometer maximally for a period of 3 seconds, the result was recorded and the test repeated twice more.
An average of the scores was recorded in pounds (lbs).
|
2-4 weeks pre-operatively
|
Change over time in activity levels.
Time Frame: (1) 2-4 weeks pre-operatively, (2) 30 and (3) 60 days post operatively
|
This data was collected by the researcher using the short form International Physical Activity Questionnaire (IPAQ) which is a self-reported measure of activity levels in the previous seven days (IPAQ Research Committee 2005).
The IPAQ incorporates questions relating to vigorous and moderate activities, as-well as walking and sitting time.
It uses patient subjective reports to quantify the time spent, if any, doing the previously mentioned activities in the previous week.
The patients weekly metabolic equivalents (METS) were then calculated using the formula and descriptors provided in the scoring protocol.Sedentary time was calculated in weekly minutes by multiplying their daily minutes answers by seven.
|
(1) 2-4 weeks pre-operatively, (2) 30 and (3) 60 days post operatively
|
Changes in perceived recovery over time
Time Frame: 30 and 60 days post operatively
|
Participants were asked to self-assess their own physical recovery using the same questions and classification as used in a study by Onerupp et al 2015.
|
30 and 60 days post operatively
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 043/16
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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