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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04188808
Other study ID # NPAA0831365
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date September 1, 2018
Est. completion date December 2028

Study information

Verified date November 2022
Source Karolinska University Hospital
Contact Rebecka Hultgren, Prof
Phone +46851776596
Email rebecka.hultgren@ki.se
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The overall objective is to highlight different aspects of care in patients with PAA before and after treatment, and identifying factors that influence the outcome of PAA patients.


Description:

An aneurysm is most commonly defined as a permanent focal dilatation of an artery to 1.5 times its normal diameter. While the abdominal aorta is the most common site of aneurysm formation, the popliteal artery (PA) represents the second most common site of aneurysm formation, accounting for more than 70 percent of all peripheral aneurysms. A popliteal artery aneurysm (PAA) is a focal dilatation of the popliteal artery (red arrow). PAAs are rare in the general population but more commonly found in patient populations with other aneurysms, such as abdominal aortic aneurysm (AAA). Within the general population, PAAs are predominantly found in men and are extremely rare in women. There are few studies on the prevalence of PAAs in healthy individuals, but 14-19% of male and 12% of female AAA patients have PAAs. There is no clear correlation between the diameter of the AAA and the prevalence of PAA. There is furthermore a lack of consensus of the precise arterial diameter that defines a PAA. It is paramount to identify and treat PAA patients before acute symptoms develop, given the high risk of major complications associated with acute presentation, such as major amputation. Unfortunately, there is a lack of knowledge of the natural history for PAAs, which is why surgical procedures are recommended mainly based on clinical experience and guidelines developed from insufficient scientific information. The preventive purpose, more specifically to prevent the risk of acute symptom development, should be evaluated against the frequency of complications inflicted by surgical treatment, so called "surgical risk". For this reason, it is important to evaluate the patients' health-related quality of life (HRQoL) before and after treatment in order to determine how the surgical treatment affect patients. In general, the Health-Related Quality of Life (HRQoL) is therefore emerging as an important outcome measure for interventions designed to improve patient's health, well-being, or both. There is very limited prior knowledge of HRQoL outcomes following surgical treatment of PAAs and the PAA patient's HRQoL, and whether-and to what extent- it becomes affected by the surgical treatment, is yet unknown. The surgical treatment in PAA patients and patients with peripheral arterial disease (PAD), are comparable whereas the underlying pathologies are distinct. Thus, peripheral arterial disease patients commonly experience substantial symptom relief following a surgical intervention (i.e. lower limb pain is alleviated, or ischemic wound healing is promoted). By contrast, PAA patients are often asymptomatic prior to surgery. It is therefore conceivable that a surgical intervention in PAA patients translates to a lower HRQoL after surgery than what is observed following bypass surgery for PAD. However, this needs to be further explored and confirmed in prospective studies. Aim To investigate whether the QoL of PAA patients compared to PAD patients after surgical and potential changes over time. Hypothesis Compared to PAD patients, femoropopliteal/femorodistal bypass surgery interventions undertaken on PAA patients result in a more pronounced negative HRQoL impact.


Recruitment information / eligibility

Status Recruiting
Enrollment 130
Est. completion date December 2028
Est. primary completion date January 2024
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: - All patients scheduled for elective surgery of PAA (asymptomatic) - All patients scheduled for elective surgery of PAD - Elective open surgery - Intermittent claudication - Resting pain or very limited minor tissue loss Exclusion Criteria: - Cognitive failure - Major tissue loss - severe pain - if one cannot assimilate information in Swedish and understand the questionnaires

Study Design


Intervention

Other:
Bypass surgery
All patients scheduled for elective surgery of PAA and PAD.

Locations

Country Name City State
Sweden Sahlgrenska University Hospital Gothenburg
Sweden Karolinska University Hospital Stockholm

Sponsors (5)

Lead Sponsor Collaborator
Rebecka Hultgren Karolinska Institutet, Karolinska University Hospital, Sahlgrenska University Hospital, Sweden, Stockholm South General Hospital

Country where clinical trial is conducted

Sweden, 

Outcome

Type Measure Description Time frame Safety issue
Other PHQ-9 PHQ-9 Depressive symptoms were assessed with the validated nine-item. Patient Health Questionnaire. The PHQ provides a dichotomous measure of depressive symptoms ( 0- 30; below 4 = no deression; 10 or above = depression) Five years
Primary SF-36 A 36-item questionnaire that measures 8 dimensions of physical and mental health. ( 0-100) Positive if high Five years
Secondary EQ-5D EQ-5D is a standardized instrument for measuring generic health status (0-100) 100 best Health and 0 worst helath Five years
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