Professor Ian Chetter's Outputs (92)

Environmental and financial cost of surgical-site infection by severity after lower limb vascular surgery (2025)
Journal Article
Lathan, R., Daysley, H., Ravindhran, B., Lim, A., Cutteridge, J., Sidapra, M., Long, J., Hitchman, L., Beltran-Alvarez, P., Carradice, D., Smith, G., & Chetter, I. (2025). Environmental and financial cost of surgical-site infection by severity after lower limb vascular surgery. BJS Open, 9(3), Article zraf015. https://doi.org/10.1093/bjsopen/zraf015

Background
There is sparse evidence of the relationship between environmental and financial costs of surgical-site infection. Identifying areas of high-cost burden would enable key targets for clinical interventions to aid in achieving the UK nation... Read More about Environmental and financial cost of surgical-site infection by severity after lower limb vascular surgery.

Approaches to improve 12-month circuit primary patency and target lesion primary patency in arteriovenous fistulae: an umbrella review of systematic reviews and meta-analyses (2025)
Journal Article
Ravindhran, B., Parovic, M., Staniland, T., Howitt, A., Nazir, S., Lathan, R., Carradice, D., Smith, G., & Chetter, I. (in press). Approaches to improve 12-month circuit primary patency and target lesion primary patency in arteriovenous fistulae: an umbrella review of systematic reviews and meta-analyses. Journal of vascular access, https://doi.org/10.1177/11297298251332043

Background:
Clinical practice guidelines endorse arteriovenous fistulae (AVF) as the preferred form of vascular access. Despite recent advancements, concerns persist regarding variable AVF patency rates. This umbrella review aimed to evaluate and sy... Read More about Approaches to improve 12-month circuit primary patency and target lesion primary patency in arteriovenous fistulae: an umbrella review of systematic reviews and meta-analyses.

ASSIST: Development of a simplified clinician-patient hybrid reporting outcome measure for remote diagnosis of surgical site infection (2025)
Journal Article
Lathan, R., Hitchman, L., Walshaw, J., Ravindhran, B., Sidapra, M., Lim, A., Long, J., Totty, J., Carradice, D., Smith, G., & Chetter, I. (2025). ASSIST: Development of a simplified clinician-patient hybrid reporting outcome measure for remote diagnosis of surgical site infection. International wound journal, 22(4), Article e70234. https://doi.org/10.1111/iwj.70234

Background
Remote assessment of surgical site infection(SSI) lacks sensitivity for diagnosis of SSI but current evidence has not evaluated whether a combination of photographs and questionnaires improves diagnostic accuracy. This study aims to devel... Read More about ASSIST: Development of a simplified clinician-patient hybrid reporting outcome measure for remote diagnosis of surgical site infection.

A pilot three arm randomised controlled trial and qualitative study of extracorporeal shockwave therapy for diabetic foot ulcer healing (SOLEFUL): A study protocol (2025)
Journal Article
Twiddy, M., Hitchman, L., Iglesias, C., Chetter, I. C., Russell, D., & Smith, G. (2025). A pilot three arm randomised controlled trial and qualitative study of extracorporeal shockwave therapy for diabetic foot ulcer healing (SOLEFUL): A study protocol. International wound journal, 22(4), Article e70176. https://doi.org/10.1111/iwj.70176

The development of effective interventions for diabetes-related foot ulcers (DFU) healing is vital. This protocol outlines a pilot trial and qualitative study investigating ESWT in DFU healing. A pilot three arm placebo controlled double-blinded rand... Read More about A pilot three arm randomised controlled trial and qualitative study of extracorporeal shockwave therapy for diabetic foot ulcer healing (SOLEFUL): A study protocol.

Tailored Risk Assessment and Forecasting in Intermittent Claudication: A Proof of Concept Decision Support Tool (2024)
Presentation / Conference Contribution
Ravindhran, B., Prosser, J., Lim, A., Mishra, B., Lathan, R., Hitchman, L., Smith, G., Carradice, D., Thakker, D., Pymer, S., & Chetter, I. (2024, June). Tailored Risk Assessment and Forecasting in Intermittent Claudication: A Proof of Concept Decision Support Tool. Presented at The European Society for Vascular Surgery Translational Spring Meeting 2024, Stockholm, Sweden

The association between completion of supervised exercise therapy and long-term outcomes in patients with intermittent claudication, concomitant sarcopenia and cardiometabolic multimorbidity (2024)
Journal Article
Ravindhran, B., Igwe, C., Nazir, S., Prosser, J., Harwood, A., Lathan, R., Harwood, A. E., Carradice, D., Smith, G. E., Chetter, I. C., & Pymer, S. (2025). The association between completion of supervised exercise therapy and long-term outcomes in patients with intermittent claudication, concomitant sarcopenia and cardiometabolic multimorbidity. Annals of vascular surgery, 110(B), 216-223. https://doi.org/10.1016/j.avsg.2024.04.032

Introduction: The combination of intermittent claudication (IC), cardiometabolic multimorbidity (CMM), and sarcopenia is associated with worse outcomes than IC alone. This study aimed to identify whether the completion of supervised exercise therapy... Read More about The association between completion of supervised exercise therapy and long-term outcomes in patients with intermittent claudication, concomitant sarcopenia and cardiometabolic multimorbidity.

The prognostic value of simple frailty and malnutrition screening tools for determining surgical risk in patients with chronic limb threatening ischaemia undergoing major vascular surgery: A retrospective cross-sectional study (2024)
Journal Article
Palmer, J., Pymer, S., Smith, G., Ingle, L., Harwood, A., & Chetter, I. (online). The prognostic value of simple frailty and malnutrition screening tools for determining surgical risk in patients with chronic limb threatening ischaemia undergoing major vascular surgery: A retrospective cross-sectional study. Journal of Vascular Societies Great Britain and Ireland, https://doi.org/10.54522/jvsgbi.2024.124

Background: This study aims to explore the prognostic value of simple frailty and malnutrition tools for determining postoperative outcomes at 30 days and 1 year in patients with CLTI undergoing major surgery.
Methods: This was a single-centre retr... Read More about The prognostic value of simple frailty and malnutrition screening tools for determining surgical risk in patients with chronic limb threatening ischaemia undergoing major vascular surgery: A retrospective cross-sectional study.

Home-based high intensity interval training in patients with intermittent claudication: a systematic review protocol (2024)
Journal Article
Prosser, J., Staniland, T., Harwood, A., Ravindhran, B., McGregor, G., Huang, C., Twiddy, M., Nicholls, A., Ingle, L., Long, J., Chetter, I., & Pymer, S. (2024). Home-based high intensity interval training in patients with intermittent claudication: a systematic review protocol. Journal of Vascular Societies Great Britain and Ireland, 3(3), 155-159. https://doi.org/10.54522/jvsgbi.2024.103

Introduction: The aim of this systematic review is to consider the evidence base for home-based high intensity interval training (HIIT) in patients with intermittent claudication (IC). Prior knowledge of the evidence base suggests that there may be l... Read More about Home-based high intensity interval training in patients with intermittent claudication: a systematic review protocol.

Tailored risk assessment and forecasting in intermittent claudication (2024)
Journal Article
Ravindhran, B., Prosser, J., Lim, A., Lathan, R., Mishra, B., Hitchman, L., Smith, G. E., Carradice, D., Thakker, D., Chetter, I. C., & Pymer, S. (2024). Tailored risk assessment and forecasting in intermittent claudication. BJS Open, 8(1), Article zrad166. https://doi.org/10.1093/bjsopen/zrad166

Background: Guidelines recommend cardiovascular risk reduction and supervised exercise therapy as the first line of treatment in intermittent claudication, but implementation challenges and poor patient compliance lead to significant variation in man... Read More about Tailored risk assessment and forecasting in intermittent claudication.

A feasibility survey to inform trial design investigating surgical site infection prevention in vascular surgery (2024)
Journal Article
Lathan, R., Hitchman, L., Long, J., Gwilym, B., Wall, M., Juszczak, M., Smith, G., Popplewell, M., Bosanquet, D., Hinchliffe, R., Pinkney, T., & Chetter, I. (2024). A feasibility survey to inform trial design investigating surgical site infection prevention in vascular surgery. Journal of Vascular Societies Great Britain and Ireland, 3(2), 76-83. https://doi.org/10.54522/jvsgbi.2024.116

Introduction: Current surgical site infection (SSI) prevention guidance indicates low-quality evidence supporting many of their recommendations. Subsequently, there is substantial variation in practice and often implementation of unsubstantiated inte... Read More about A feasibility survey to inform trial design investigating surgical site infection prevention in vascular surgery.

High INtensity Interval Training in pATiEnts with Intermittent Claudication: A Qualitative Acceptability Study (2024)
Journal Article
Pymer, S., Harwood, A., Ibeggazene, S., McGregor, G., Huang, C., Nicholls, A., Ingle, L., Long, J., Rooms, M., Chetter, I. C., & Twiddy, M. (2024). High INtensity Interval Training in pATiEnts with Intermittent Claudication: A Qualitative Acceptability Study. Annals of vascular surgery, 102, 17-24. https://doi.org/10.1016/j.avsg.2023.11.043

Background: A novel high-intensity interval training (HIIT) program has demonstrated feasibility for patients with intermittent claudication (IC). The aim of this study was to explore patient perspectives of the HIIT program to inform refinement and... Read More about High INtensity Interval Training in pATiEnts with Intermittent Claudication: A Qualitative Acceptability Study.

The effectiveness of waxing or epilation compared to conventional methods of hair removal in reducing the incidence of surgical site infections: a systematic review and meta-analysis (2024)
Journal Article
Cutteridge, J., Garrido, P., Staniland, T., Lim, A., Totty, J., Lathan, R., Smith, G., & Chetter, I. (2024). The effectiveness of waxing or epilation compared to conventional methods of hair removal in reducing the incidence of surgical site infections: a systematic review and meta-analysis. Frontiers in Surgery, 11, Article 1395681. https://doi.org/10.3389/fsurg.2024.1395681

Background: Surgical site infections (SSIs) pose a significant challenge to healthcare systems by elevating patient morbidity and mortality and driving up financial costs. Preoperative skin preparation is crucial for preventing SSIs; however, certain... Read More about The effectiveness of waxing or epilation compared to conventional methods of hair removal in reducing the incidence of surgical site infections: a systematic review and meta-analysis.

Supervised Exercise Therapy for Intermittent Claudication: A Propensity Score Matched Analysis of Retrospective Data on Long Term Cardiovascular Outcomes (2023)
Journal Article
Ravindhran, B., Lim, A. J., Kurian, T., Walshaw, J., Hitchman, L. H., Lathan, R., Smith, G. E., Carradice, D., Chetter, I. C., & Pymer, S. (in press). Supervised Exercise Therapy for Intermittent Claudication: A Propensity Score Matched Analysis of Retrospective Data on Long Term Cardiovascular Outcomes. European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery, https://doi.org/10.1016/j.ejvs.2023.11.040

Objective: This study aimed to explore the long term outcomes of patients with intermittent claudication (IC) who completed supervised exercise therapy (SET) vs. those who declined or prematurely discontinued SET, focusing on the incidence of chronic... Read More about Supervised Exercise Therapy for Intermittent Claudication: A Propensity Score Matched Analysis of Retrospective Data on Long Term Cardiovascular Outcomes.

Molecular mechanisms of action of negative pressure wound therapy: A systematic review (2023)
Journal Article
Ravindhran, B., Schafer, N., Howitt, A., Carradice, D., Smith, G., & Chetter, I. (2023). Molecular mechanisms of action of negative pressure wound therapy: A systematic review. Expert Reviews in Molecular Medicine, 25, Article e29. https://doi.org/10.1017/erm.2023.24

Negative pressure wound therapy (NPWT) has significantly advanced wound care and continues to find new applications. Its effects at a molecular level however, remain a subject of debate. The aim of this systematic review is to summarize the current e... Read More about Molecular mechanisms of action of negative pressure wound therapy: A systematic review.

High-intensity interval training in patients with intermittent claudication (2023)
Presentation / Conference Contribution
Pymer, S., Harwood, A. E., Prosser, J., Waddell, A., Rhavindhran, B., McGregor, G., Ibeggazene, S., Huang, C., Twiddy, M., Nicholls, A. R., Ingle, L., Carroll, S., He, H., Long, J., Rooms, M., & Chetter, I. C. High-intensity interval training in patients with intermittent claudication. Presented at 2022 Vascular Society of Great Britain and Ireland Annual Scientific Meeting, Brighton, UK

Objective: Provision, uptake, adherence, and completion rates for supervised exercise programs (SEP) for intermittent claudication (IC) are low. A shorter, more time-efficient, 6-week, high-intensity interval training (HIIT) program may be an effecti... Read More about High-intensity interval training in patients with intermittent claudication.

A preoperative supervised exercise program potentially improves long-term survival after elective abdominal aortic aneurysm repair (2023)
Presentation / Conference Contribution
Sethi, S., Ravindhran, B., Long, J., Gurung, R., Huang, C., Smith, G. E., Carradice, D., Wallace, T., Ibeggazene, S., Chetter, I. C., & Pymer, S. A preoperative supervised exercise program potentially improves long-term survival after elective abdominal aortic aneurysm repair. Presented at 2023 Vascular Annual Meeting of the Society for Vascular Surgery, National Harbor, Maryland

Objective: A preoperative supervised exercise program (SEP) improves cardiorespiratory fitness and perioperative outcomes for patients undergoing elective abdominal aortic aneurysm (AAA) repair. The aim of this study was to assess the effect of a pre... Read More about A preoperative supervised exercise program potentially improves long-term survival after elective abdominal aortic aneurysm repair.

Long term outcomes of ‘Christmas Tree’ banding for haemodialysis access induced distal ischemia: A 13-year experience (2022)
Journal Article
Ravindhran, B., Totty, J. P., Sidapra, M., Lathan, R., Carradice, D., Chetter, I. C., & Smith, G. E. (in press). Long term outcomes of ‘Christmas Tree’ banding for haemodialysis access induced distal ischemia: A 13-year experience. The journal of vascular access, https://doi.org/10.1177/11297298221141497

Background: The reduction in distal arterial flow following arteriovenous fistula (AVF) creation can cause a perfusion deficit known as haemodialysis access induced distal ischemia (HAIDI). Various techniques have been advocated to treat this difficu... Read More about Long term outcomes of ‘Christmas Tree’ banding for haemodialysis access induced distal ischemia: A 13-year experience.

Extracorporeal shockwave therapy compared with standard care for diabetic foot ulcer healing: An updated systematic review (2022)
Journal Article
Hitchman, L., Totty, J., Smith, G. E., Carradice, D., Twiddy, M., Iglesias, C., Russell, D., & Chetter, I. C. (2022). Extracorporeal shockwave therapy compared with standard care for diabetic foot ulcer healing: An updated systematic review. International wound journal, https://doi.org/10.1111/iwj.14035

Emerging evidence suggests that extracorporeal shockwave therapy (ESWT) may improve time to DFU healing. The aim of this review was to appraise the evidence on role of ESWT in DFU healing and impact of different ESWT doses. Databases were searched fo... Read More about Extracorporeal shockwave therapy compared with standard care for diabetic foot ulcer healing: An updated systematic review.

Provision of NICE-recommended varicose vein treatment in the NHS (2022)
Journal Article
Hitchman, L., Mohamed, A., Smith, G. E., Pymer, S., Chetter, I. C., Forsyth, J., & Carradice, D. (2023). Provision of NICE-recommended varicose vein treatment in the NHS. British journal of surgery, 110(2), 225-232. https://doi.org/10.1093/bjs/znac392

BACKGROUND: Standardization of access to treatment and compliance with clinical guidelines are important to ensure the delivery of high-quality care to people with varicose veins. In the National Health Service (NHS) in England, commissioning of care... Read More about Provision of NICE-recommended varicose vein treatment in the NHS.

Assessment of the diagnostic accuracy of automated ankle brachial pressure index devices in patients with diagnosed or suspected peripheral arterial disease: protocol for a systematic review and meta-analysis (2022)
Journal Article
Walshaw, J., Lathan, R., Huang, C., Staniland, T., Chetter, I., & Pymer, S. (2023). Assessment of the diagnostic accuracy of automated ankle brachial pressure index devices in patients with diagnosed or suspected peripheral arterial disease: protocol for a systematic review and meta-analysis. Journal of Vascular Societies Great Britain and Ireland, 2(2), 91-96. https://doi.org/10.54522/jvsgbi.2022.053

Background: The ankle brachial pressure index (ABPI) is a common diagnostic tool used in the assessment of peripheral arterial disease (PAD). The Doppler ultrasound technique is regarded as the gold-standard method for ABPI measurement; however, time... Read More about Assessment of the diagnostic accuracy of automated ankle brachial pressure index devices in patients with diagnosed or suspected peripheral arterial disease: protocol for a systematic review and meta-analysis.