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01-12-2019 | Research | Uitgave 1/2019 Open Access

Journal of Foot and Ankle Research 1/2019

Lower limb vascular assessment techniques of podiatrists in the United Kingdom: a national survey

Journal of Foot and Ankle Research > Uitgave 1/2019
Peta Ellen Tehan, Martin Fox, Sarah Stewart, Susan Matthews, Vivienne Helaine Chuter
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Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1186/​s13047-019-0341-2) contains supplementary material, which is available to authorized users.


Peripheral arterial disease (PAD) is estimated to affect > 20 million people worldwide, affects 20% of the population over 60 years of age, and is more common in people with concomitant chronic disease [14]. Although PAD can involve arteries throughout the entire body, it most commonly affects those in the lower limb [1]. There is a strong association between PAD and cardiovascular and cerebrovascular disease which may be otherwise undiagnosed and consequently under-managed [5]. It is therefore important to identify the presence of PAD early in the disease process [6] in order to facilitate timely onward referral, manage cardiovascular risk factors and closely monitor the disease process.
Podiatrists potentially play a key role in the early identification of PAD, as they are the main providers of foot health assessment in the community, and typically consult with people who may not demonstrate symptoms of PAD or report themselves to general practitioners [7]. Current international and United Kingdom (UK) national guidelines recommend PAD is tested for using a combination of clinical history taking, pulse palpation, Doppler waveform assessment, ankle-brachial index (ABI), toe systolic pressure and toe-brachial index (TBI) as well as measures of skin perfusion, e.g. transcutaneous oximetry [4, 810].
Significant variation in clinical practice and lack of adherence to evidence-based guidelines creates uncertainty in the effectiveness of such testing for identifying those with PAD and achieving any improvement in overall patient outcomes [11]. Recent research has demonstrated that the majority of vascular assessments performed by podiatrists in Australia and New Zealand are inconsistent with current guidelines. The types of testing methods used by podiatrists were shown to be influenced by their practice setting (public versus private), with public podiatrists significantly more likely to undertake lower limb blood pressure testing compared to podiatrists in private practice.
The vascular testing methods used by podiatrists in the UK are currently unknown. Furthermore, it is currently unknown if podiatrists in the UK are utilising guidelines to inform their practice, or if their practice is consistent with guidelines. Therefore, the primary aim of this study was to describe current practices of UK podiatrists in performing lower limb vascular assessments. Secondly, the study aimed to determine whether practitioner education level or practice setting (public versus private) could predict the choice of tests used for lower limb vascular assessments.

Design and methods

This was a cross-sectional observational survey of UK podiatrists. The anonymous online survey was conducted between 1st of July and 5th of October 2018 using software program SurveyMonkey® (SurveyMonkey Inc., San Mateo, California). Recruitment occurred through bulletin and online advertising through professional bodies including the College of Podiatry, Royal College of Physicians and Surgeons (Faculty of Podiatric Medicine) and Foot in Diabetes UK. Online snowball advertising was also completed via Facebook® and Twitter® by the professional bodies and two of the researchers to their professional networks (MF and PT). Potential participants had access to a web link to the online secure survey which included the participant information statement and consent form. Participants were included if they were podiatrists registered with the Health and Care Professionals Council (HCPC) and currently practicing in the UK. Ethics approval was granted by the University of Newcastle Human Research Ethics Committee prior to the survey being disseminated (H-2012-0384). All participants provided informed consent prior to participation by answering yes following the information statement on the first page of the online survey.
The initial concept for the survey design was based on a previous survey of vascular assessments techniques of podiatrists in Australia and New Zealand [7]. Based on feedback from researchers involved in the previous survey, questions were modified and further adjusted for the UK population. The survey was then piloted by six podiatrists and further amendments made as a result of feedback. Item content related to specific tests used in vascular assessment, factors influencing whether an assessment was performed, interpretation of vascular test results, self-perceived concordance of vascular assessment practice with guidelines, equipment type used and equipment availability (Additional file 1). The survey contained a total of 29 items related to: participant demographics (items 1 to 8), vascular testing methods (items 9 to 13), interpretation of vascular results (items 14 to 21), barriers for assessment and practical aspects of assessment (items 22 to 25), and education and ongoing management (items 26 to 29). Nominal polytomous, continuous, dichotomous and open-ended response types were used.

Data analysis

Survey participants were included in the analysis if they completed both the participant characteristics and vascular assessment sections of the online survey. All open-ended responses were quantitatively categorised for the purpose of data analysis. Participant characteristics and vascular assessment characteristics were described as n (%) for categorical data or mean (SD) for continuous data. As some participants did not answer all questions, the overall percentages for each question were reported as a percentage of the number of participants who provided responses.
Multinomial logistic regression analyses were undertaken to determine whether practitioner characteristics (education level, or practice setting) could predict the types of tests utilised during lower limb vascular assessments. For the purpose of this analysis, the types of vascular assessment tests were also grouped into categories: observations alone, Doppler testing alone, observation and Doppler, or observation, Doppler and pressure testing. The observation, Doppler and pressure category was used as the reference category. Goodness of fit was determined using the Pearson chi-square statistic. A thematic analysis of content from the open-ended question “What, if any, do you feel the role of a podiatrist is, in assisting patients in managing their cardiovascular health?” was also performed by two of the researchers (PT and VC). Following immersion in the data, patterns of meaning were systematically identified and organised across the dataset. Themes were developed and checked, then finally refined. All analyses were undertaken in SPSS v.25 with a significance level of P <  0.05.


Participant characteristics

A total of 585 participants accessed the online survey. Five were excluded because they did not consent, 13 were excluded because they were not registered podiatrists currently practicing in the UK and 30 were excluded because they did not complete any of the questions. A total of 537 participants completed the participant characteristics section of the survey. Of these, 307 participants went on to complete the vascular assessment section of the survey and were therefore included in the analyses. Characteristics of the 307 participants are detailed in Table 1. Most participants practiced in the National Health Service (68.7%), were living in England (71.3%) and had a bachelor’s degree or graduate entry master’s degree (63.8%). The mean (SD) years practicing was 16.6 (10.3).
Table 1
Participant characteristics
Podiatry setting
211 (68.7%)
Private practice
89 (29.0%)
4 (1.3%)
3 (1.0%)
Current primary caseload
High risk patients
110 (35.8%)
Low risk routine patients
82 (19.5%)
Wound care
60 (19.5%)
28 (9.1%)
2 (0.7%)
Nail surgery patients
0 (0%)
1 (0.3%)
22 (7.2%)
Place of practice
160 (52.1%)
98 (31.9%)
49 (16.0%)
219 (71.3%)
43 (14.0%)
Northern Ireland
22 (7.2%)
22 (7.2%)
1 (0.3%)
17 (5.5%)
Bachelor’s degree or graduate entry Master’s degree
196 (63.8%)
Post graduate coursework
76 (24.8)
Higher degree by research only
15 (4.9)
Years practicing, mean (SD)
16.6 (10.3)
Values are presented as n (%), unless otherwise indicated. NHS = National Health Service

Vascular assessment characteristics

Comprehensive vascular assessments (defined in the survey as more than pulse palpation, to avoid leading participants) were most commonly performed once (15.8%) or twice (10.4%) in the past week (Table 2). The most common estimated time taken to perform a vascular assessment was five minutes (27.5%). Most participants performed vascular assessments as part of a routine visit (81.5%). The three most common barriers in performing vascular assessments were time constraints (52.4%), lack of equipment (42.3%) and lack of experience (33.6%). Nineteen percent of participants reported that there were no barriers in performing vascular assessment. Hand-held Doppler without waveform display was the most common piece of equipment available to participants (86.3%) (Table 3). The three most common diagnostic testing procedures used during a vascular assessment were hand-held Doppler (72.3%) pulse palpation (52.1%), and visual assessment of skin and nails (31.9%).
Table 2
General vascular assessment characteristics
Number of comprehensive vascular assessments performed and documented in most recent work day
26 (4.8%)
85 (15.8%)
56 (10.4%)
42 (7.8%)
43 (8.0%)
14 (2.6%)
14 (2.6%)
4 (0.7%)
9 (1.7%)
4 (0.7%)
>  10
10 (1.9%)
Estimated time taken to perform a vascular assessmenta
5 min
78 (27.5%)
10 min
72 (25.4%)
15 min
40 (14.1%)
20 min
34 (12.0%)
25 min
3 (1.1%)
30 min
50 (17.6%)
40 min
2 (0.7%)
45 min
5 (1.8%)
Vascular assessment booking practicesb
As part of a routine visit
194 (81.5%)
As a separate booking
45 (15.9%)
Dependent on patient and time required for specific assessments
39 (13.8%)
5 (1.8%)
Barriers in performing a vascular assessment
Time constraints
161 (52.4%)
Lack of equipment
130 (42.3%)
Lack of experience
103 (33.6%)
Lack of post-graduate vascular training
77 (25.1%)
There are no barriers
59 (19.2%)
Vascular team not requesting specific vascular assessments
50 (16.3%)
Lack of managerial support
39 (12.7%)
No financial incentive
24 (7.8%)
Lack of interest
6 (2.0%)
Values are presented as n (%). a answered by 284 (92.5%) of participants; b answered by 283 (92.2%) of participants
Table 3
Vascular assessment prompts and equipment
Reasons/indicators to perform a vascular assessment
Symptoms of claudication
274 (89.3%)
Rest pain
264 (86.0%)
262 (85.3%)
Active wound
261 (84.7%)
New patient assessment
252 (82.1%)
History of poor healing
249 (81.1%)
Assessment for nail surgery eligibility
221 (71.7%)
Discolouration of skin
210 (68.4%)
Cold feet
205 (66.8%)
Referral request
183 (59.6%)
Night cramps
183 (59.6%)
Raynaud’s phenomena
176 (57.3%)
History of cardiovascular disease
175 (57.0%)
169 (55.0%)
Active smoking
168 (54.7%)
Smoking history
165 (53.7%)
Burning feet
133 (43.3%)
History of cerebrovascular disease
119 (38.8%)
Advanced age
110 (35.8%)
77 (25.1%)
Widespread anhidrosis
76 (24.8%)
67 (21.8%)
20 (6.5%)
Vascular assessment equipment available in clinic
Hand-held Doppler without visual waveform display
265 (86.3%)
Blood Pressure Cuff and sphygmomanometer
166 (54.1%)
76 (24.8%)
Hand-held Doppler with visual waveform display
67 (21.8%)
Toe pressure cuff
50 (16.3%)
Automated ankle brachial index machine
27 (8.8%)
Photoplethysmography probe
19 (6.2%)
TcPO2 unit
17 (5.5%)
Automated toe pressure unit
12 (3.9%)
None of the above
6 (2.0%)
10 (3.3%)
Diagnostic testing used during a vascular assessment
Hand-held Doppler (waveform and/or pulses)
222 (72.3%)
Pedal pulse palpation
160 (52.1%)
Visual assessment of skin and/or nails
98 (31.9%)
Ankle brachial index
98 (31.9%)
Patient medical history/symptoms
69 (22.5%)
Capillary refill time
60 (19.5%)
Temperature gradient
51 (16.6%)
Buerger’s test
26 (8.5%)
Toe brachial index
18 (5.9%)
Edinburgh Claudication Questionnaire
13 (4.2%)
Toe systolic pressure
9 (2.9%)
Brachial Blood pressure
7 (2.3%)
Pole test
5 (1.6%)
2 (0.7%)
1 (0.3%)
Heart rate
1 (0.3%)
Values are presented as n (%). SpO2 = Saturation of Peripheral Oxygen; TcPO2 = Transcutaneous Partial Pressure of Oxygen
After categorising the testing methods for regression analysis, 9.8% of respondents used observation alone, 16.9% used Doppler alone, 32.2% used observation and Doppler, and 16.9% used observation, Doppler and lower limb blood pressure measurement (ABI, TBI or systolic toe pressure). The remaining participants used either lower limb blood pressure measurement alone (7.2%), observation plus lower limb blood pressure measurement (5.5%) or Doppler plus lower limb blood pressure measurement (5.5%). Observation plus pressure and Doppler plus lower limb blood pressure measurement were excluded from the regression models due to small sample sizes. The final multinomial regression model fitted the data well which was evident by the non-significant Pearson chi-square (P = 0.463). The results showed that podiatrists’ education level and their practice setting were not predictors of the types of vascular assessment tests they used (Table 4).
Table 4
Predictors of types of lower limbs vascular tests undertaken by podiatrists
Observation, Doppler and pressure (ref) (n = 49)
Observation alone (n = 29)
Doppler alone (n = 50)
Observation and Doppler (n = 97)
N (%)
N (%)
OR (95% CI)
N (%)
OR (95% CI)
N (%)
OR (95% CI)
Education level
Bachelor (ref)
30 (61.2%)
17 (58.6%)
28 (56.0%)
70 (72.1%)
16 (32.6%)
9 (31.0%)
−.10 (.32, 2.54)
18 (36.0%)
0.19 (0.51, 2.89)
24 (24.7%)
−0.47 (0.28, 1.37)
3 (6.2%)
3 (10.4%)
0.63 (0.34, 10.49)
4 (8.0%)
0.35 (0.29, 6.93)
3 (3.1%)
−0.83 (0.08, 2.29)
Podiatry setting
Public (ref)
33 (67.3%)
17 (58.6%)
34 (68.0%)
64 (66.0%)
16 (32.7%)
12 (41.4%)
0.44 (0.58, 4.14)
16 (32.0%)
−0.05 (0.40, 2.26)
33 (34.0%)
0.12 (0.53, 2.39)
Ref reference category, OR odds ratio, CI confidence interval, PG post graduate study. Bolded P indicates significant difference at < 0.05

Clinical indicators for vascular assessment and equipment

The three most common indicators for podiatrists to perform vascular assessments were symptoms of suspected claudication (89.3%), suspected rest pain (86%) and presence of diabetes (85.3%) (Table 3). Most participants (86.3%) had access to hand-held Dopplers (without visual waveform display) and blood pressure cuffs and sphygmomanometers (54.1%) in their clinics. Toe systolic pressure cuffs were available to a small proportion (16.3%) of participants. Automated equipment such as automated ABI units (8.8%) and automated toe systolic pressure units (3.9%) were less frequently reported as available.

Diagnostic interpretation of vascular assessment practices

National Institute for Health and Care Excellence (NICE) guidelines were used to inform vascular assessments by the largest proportion of participants (42.7%), with 19.2% of participants reporting not using any international guidelines (Fig. 1). The most common diagnostic thresholds used for PAD were: < 0.9 for ABI (27.8%), < 50 mmHg for ankle systolic pressure (11.4%), < 0.7 for TBI (5.4%), and <  30 mmHg for toe systolic pressure (4.9%) (Table 5). When using handheld Doppler, the audible output was the most commonly used for interpretation (80.4%). The three most common audible outputs which were considered indicative of PAD were monophasic sounds (82.7%), weak biphasic sounds (21.2%), and quiet/dampened sounds (17.9%).
Table 5
Vascular assessment diagnostic interpretation
Ankle brachial pressure index cut-off value for peripheral arterial disease a
<  0.5
14 (4.6%)
<  0.6
9 (2.9%)
<  0.7
28 (9.2%)
<  0.8
39 (12.7%)
<  0.9
85 (27.8%)
<  1.0
11 (3.6%)
<  1.2
1 (0.3%)
I don’t use ABPI
119 (38.9%)
Absolute ankle pressure cut-off value used for peripheral arterial disease
<  30 mmHg
3 (1.0%)
<  40 mmHg
5 (1.6%)
<  50 mmHg
35 (11.4%)
<  60 mmHg
12 (3.9%)
<  70 mmHg
12 (3.9%)
<  80 mmHg
8 (2.6%)
<  90 mmHg
5 (1.6%)
<  100 mmHg
7 (2.3%)
I don’t know
61 (19.9%)
I do not measure/interpret absolute ankle pressures
159 (51.8%)
Toe brachial pressure index cut-off value used for peripheral arterial disease b
<  0.50
13 (4.4%)
<  0.55
8 (2.7%)
<  0.60
7 (2.4%)
<  0.65
9 (3.0%)
<  0.70
16 (5.4%)
<  0.75
2 (0.7%)
<  0.80
1 (0.3%)
<  0.90
1 (0.3%)
<  0.95
1 (0.3%)
<  1.00
1 (0.3%)
I don’t use TBPI
236 (80.0%)
Absolute toe pressure cut-off value for Peripheral arterial disease
<  10 mmHg
4 (1.3%)
<  20 mmHg
3 (1.0%)
<  30 mmHg
15 (4.9%)
<  40 mmHg
9 (2.9%)
<  50 mmHg
8 (2.6%)
<  60 mmHg
4 (1.3%)
<  70 mmHg
6 (2.0%)
<  80 mmHg
2 (0.7%)
<  90 mmHg
1 (0.3%)
<  100 mmHg
4 (1.3%)
I don’t know
27 (8.8%)
I do not measure absolute toe pressure
226 (73.6%)
Hand-held Doppler interpretation a
Audible output
246 (80.4%)
Visual output
1 (0.3%)
Combination of audible and visual output
51 (16.7%)
I do not use hand-held Doppler
8 (2.6%)
When Audible and visual Doppler outputs are conflicting c
I place more emphasis on visual output
11 (22.0%)
I place more emphasis on audible output
11 (22.0%)
I document both outputs separately
23 (46.0%)
I place less emphasis on Doppler results overall
5 (10.0%)
Doppler Audible output considered indicative of peripheral arterial disease
Monophasic sounds
254 (82.7%)
Weak biphasic sounds
65 (21.2%)
Quiet or dampened sounds
55 (17.9%)
“Whooshing” sounds
41 (13.4%)
Absent sounds
40 (13.0%)
Irregular or turbulent sounds
30 (9.8%)
“Bounding” sounds
20 (6.5%)
Sluggish or slow sounds
11 (3.6%)
Sounds which are different between limbs
4 (1.3%)
Values are presented as n (%). a answered by 306 (99.7%) participants; b answered by 295 (96.1%) participants; c answered by 50 (16.3%)

Education and Management practices

The three most common education topics reportedly discussed with patients following or within their vascular assessments were smoking cessation (69.5%), exercise advice (61.0%) and dietary advice (24.6%) (Table 6). Almost two thirds of podiatrists felt comfortable discussing the association between a vascular event such as heart attack or stroke occurring prematurely due to a diagnosis of PAD (64.4%). Most participants felt comfortable in deciding on the ongoing management of their patients based on vascular assessments (72.29%). General practitioners were the most common referral following a vascular assessment (67.69%).
Table 6
Education and management practices following a vascular assessment
Education topics discussed following vascular assessment a
Smoking cessation
189 (69.5%)
Exercise advice
166 (61.0%)
Dietary advice
67 (24.6%)
Diabetes control
59 (21.7%)
Medication options
55 (20.2%)
Interpretation of results of assessments
49 (18.0%)
Lifestyle modifications
46 (16.9%)
Referral options
42 (15.4%)
Foot health self-care
41 (15.1%)
Cardiovascular risk
37 (13.6%)
Implications of reduced wound healing
35 (12.9%)
Hypertension management
27 (9.9%)
Pain management
24 (8.8%)
Footwear advice
23 (8.5%)
Weight management
22 (8.1%)
Cholesterol lowering
19 (7.0%)
17 (6.3%)
Alcohol reduction
11 (4.0%)
Hosiery advice
9 (3.3%)
Premature death
9 (3.3%)
Family history
7 (2.6%)
Keeping feet warm
6 (2.2%)
Limb elevation
5 (1.8%)
Moisturising skin
4 (1.5%)
Limb compression
2 (0.7%)
Adequate sleep
2 (0.7%)
Stress reduction
1 (0.4%)
Comfortable discussing premature vascular event due to PAD diagnosis b
183 (64.4%)
52 (18.3%)
49 (16.9%)
Comfortable deciding on ongoing management of patient based on vascular assessment b
205 (72.2%)
30 (10.6%)
49 (17.3%)
Initial referral following vascular assessment c
Vascular surgical team
83 (28.3%)
General practitioner
158 (67.6%)
Vascular laboratory
16 (5.5%)
Podiatry-led PAD team
31 (10.6%)
14 (4.8%)
Values are presented as n (%). a 272 (88.6%) of participants; b 284 (92.5%) of participants; c 293 (95.4%) of participants. PAD = peripheral arterial disease

Role of the podiatrist and cardiovascular health

A selection of responses given by participants when asked what they felt the role of a podiatrist was in assisting patients in managing their cardiovascular health is presented in Table 7. Thematic analysis of open-ended response content revealed four themes: that the role of the podiatrist is to educate, empower and encourage patients to manage their own cardiovascular health and risk factors; that more education is needed to enable podiatrists to confidently manage cardiovascular health; that onward referrals and signposting of other services is the podiatrist’s role in cardiovascular management; and, that cardiovascular management is currently out of a podiatrist’s scope of practice.
Table 7
Selected responses to: “What, if any, do you feel the role of a podiatrist is, in assisting patients in managing their cardiovascular health?”
“I feel we are in a privileged position of having more time with patients on a regular basis, having built up a rapport we are able to discuss problems/conditions in a way they feel comfortable which allows better understanding.”
“I think we should be involved, but I need more education.”
“Key role but lacking confidence/ training in addressing difficult conversations with patients”
“Podiatrists can assist in identifying PAD and providing information and education to patients and making appropriate onward referrals”
“There isn’t one - that’s the doctor’s job”
“I don’t feel particularly comfortable with assisting with managing this but I have quite frequently referred the patient back to the GP and highlighted this to them.”
“We are easily accessible for most of the population and i feel we should be more skilled in private practice at assessing vascular problems however due to cost of equipment I feel it will never happen.”
“I think we need to do more in this area, we are in a prime position to be able to identify PAD and have discussions with patients around the cause.”
“I feel all health professionals have a role in assisting patients to manage their cardiovascular health including podiatrists, however I think some health professionals are more qualified to do this than others. As a podiatrist I feel it is slightly out of my scope of practice to manage a patient’s cardiovascular health.”
“Should be to be confident and competent to recognise CV problems and highlight and refer where needed.”
“Important, but overlooked by other health care professionals.”
“I understand it should be paramount in their podiatry experience however feel confidence in this field inhibits my delivery of this advice.”
“It is part of our role but hard when we don’t always have access to information or enough time to assess.”


This study describes current practices of UK podiatrists in performing lower limb vascular assessments. Results revealed variable use of assessment techniques, with most podiatrists using subjective methods to assess lower limb vascular status which did not always align with current PAD guidelines, consistent with a previous survey [12]. The current study also demonstrated that practitioner characteristics, including education level and practice setting, did not influence the choice of vascular assessment techniques.
Hand-held Doppler examination of pedal pulses using audible output to interpret the results was the most frequently reported method of assessment. Unlike visual Doppler waveforms, which have demonstrated high sensitivity for identifying PAD [13], audible output has variable reliability when used in podiatry practice [14, 15], thus limiting the extent to which results can be interpreted with confidence. This is most likely related to the type of equipment reported to be available to practitioners in the current study, with most having access to a Doppler with audible output only. The limited access to more reliable vascular testing equipment may impact the effectiveness of current vascular assessment. Although current international guidelines, including the NICE guideline, endorse the use of Doppler assessment for PAD, it is not recommended for use in isolation [4]. This was incongruous with the larger proportion of respondents reporting use of the NICE guideline to inform their vascular assessment practice and may suggest limited implementation of the guideline into clinical practice.
Lower limb blood pressure testing by podiatrists within vascular assessment was limited, with only one third of podiatrists indicating use of the ABI, which was consistent with a shorter average timeframe of five minutes for conducting an assessment. Similarly, there was little reported use of the TBI, toe systolic pressures or transcutaneous oximetry (TCPO2). This is despite the equipment for these tests being accessible to a larger proportion of participants (i.e. photoplythsmography probe). The limited use of TBI and toe systolic pressures may be partially explained by the results of a previous survey, which indicated that podiatrists place less clinical importance on TBI compared to other vascular testing methods, such as Doppler [12]. The limited regular use of lower limb blood pressure testing methods by participants may have contributed to varied interpretation of vascular diagnostic thresholds. Whilst most participants who measured ABI, indicated a value of < 0.9 as indicative of PAD, which is consistent with current international guidelines [16], some participants used lower values which are more reflective of critical limb-threatening ischemia (< 50 mmHg). Toe systolic pressure values were commonly interpreted from the perspective of wound healing capacity rather than identification of PAD, with respondents most frequently choosing the value which is indicative of reduced healing capacity (< 30 mmHg) [17], rather than more recently identified values which may indicate the presence of PAD (< 97 mmHg) [18].
Interestingly, there was no significant influence of practitioners’ education level and practice setting on the types of vascular tests used in a vascular assessment. This may be associated with the high numbers of podiatrists employed in public sector services in the UK, providing a more homogenous practice environment in the study population. Reported barriers for performing vascular assessment were similar to this study [7], including external factors such as time constraints, limited access to equipment and workforce issues including lack of experience, and lack of post-graduate vascular training. Consistent with these findings, thematic analysis of responses to “What, if any, do you feel the role of a podiatrist is, in assisting patients in managing their cardiovascular health?” revealed that many participants wanted further education to be able to confidently practice in this area, and felt it was an area of importance. These factors are in line with published research identifying barriers to implementation of evidence based health care [19].
Our survey findings have identified that greater support is needed to assist UK based podiatrists to implement evidence-based vascular assessment guidelines in clinical practice, consistent with a previous survey [12]. This includes addressing current barriers to performing vascular assessments through work flow- and provider-focused strategies to increase practitioner knowledge and training [19]. In addition, further education is needed to support podiatrists providing more generalised cardiovascular management advice and provide mechanisms to facilitate appropriate referral for effective management. There are current examples of the effectiveness of such changes in improving lower limb vascular assessment and management. These relate to Podiatry-led PAD services emerging in the UK, in which vascular trained podiatrists and vascular nurses are working together to provide local population PAD assessment, diagnosis, triage and management, in partnership with GPs and Vascular teams [20, 21]. These services, whilst small in number, are both clinically and cost effective, having been endorsed as best practice models nationally by NICE and are a successful strategy for improving lower limb vascular management in podiatry practice.

Potential limitations

This study should be considered in light of some potential limitations. This survey was not validated, therefore may have limited external validity and reproducibility. Our sample size was limited and may not represent podiatrists in the UK who did not respond to the survey invitation. Some participants may have had a higher level of interest in vascular assessment techniques if they were a part of some of the special interest groups where the survey was promoted. The mean years of practice of participants was high, so the results may not be indicative of the practice of more recent graduates. Over-reporting and under-reporting may have been possible, however the use of open-ended response types, and thorough piloting of the survey makes this unlikely.


The findings of this study demonstrate that podiatrists in the UK rely upon the more subjective vascular assessment tools, such as audible Doppler analysis, clinical observation and pulse palpation to guide their vascular assessment, diagnosis and management plans. Podiatrists however felt confident in diagnosing PAD and guiding further management, despite many not using adequate clinical tests, recommended by current evidence and best practice guidelines. Further podiatric vascular education should focus on this, as well as providing podiatrists with knowledge, skills and confidence to use more objective testing methods and accurately interpret vascular assessment findings, in line with national and international best practice guidelines.


We would like to acknowledge the College of Podiatry, Royal College of Physicians and Surgeons (Faculty of Podiatric Medicine) and Foot in Diabetes UK for their assistance with distributing the survey to their members. Thank you to all the podiatrists who gave their valuable time to complete the survey.


This project received internal funding from the University of Newcastle, Faculty of Health and Medicine Brawn Research Funding Scheme to support SS assistance with the project.

Availability of data and materials

Data are held securely with the senior author.

Ethics approval and consent to participate

This research was completed under the ethical approval of the University of Newcastle Human Research Ethics Committee H-2012-0384.

Consent for publication

Not applicable.

Competing interests

None of the authors have any conflicts of interests to declare.

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Additional file 1: Copy of survey dissemintaed to participants. (PDF 160 kb)
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