Professor Ian Chetter's Outputs (245)

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., Chetter, I., & 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.

Understanding delays in chronic limb-threatening ischaemia care: Application of the theoretical domains framework to identify factors affecting primary care clinicians' referral behaviours (2024)
Journal Article
Atkins, E., Birmpili, P., Kellar, I., Johal, A. S., Li, Q., Waton, S., Boyle, J. R., Pherwani, A. D., Chetter, I., & Cromwell, D. A. (2024). Understanding delays in chronic limb-threatening ischaemia care: Application of the theoretical domains framework to identify factors affecting primary care clinicians' referral behaviours. Journal of Foot and Ankle Research, 17(2), Article e12015. https://doi.org/10.1002/jfa2.12015

Introduction: Patients in the community with suspected Chronic limb-threatening ischaemia (CLTI) should be urgently referred to vascular services for investigation and management. The Theoretical Domains Framework (TDF) allows identification of influ... Read More about Understanding delays in chronic limb-threatening ischaemia care: Application of the theoretical domains framework to identify factors affecting primary care clinicians' referral behaviours.

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 symptom to assessment pathway for suspected chronic limb-threatening ischaemia (CLTI) affects quality of care: a process mapping exercise (2024)
Journal Article
Atkins, E., Kellar, I., Birmpili, P., Waton, S., Li, Q., Johal, A. S., Boyle, J. R., Pherwani, A. D., Chetter, I., & Cromwell, D. A. (2024). The symptom to assessment pathway for suspected chronic limb-threatening ischaemia (CLTI) affects quality of care: a process mapping exercise. BMJ Open Quality, 13(1), Article e002605. https://doi.org/10.1136/bmjoq-2023-002605

Background Delays in the pathway from first symptom to treatment of chronic limb-threatening ischaemia (CLTI) are associated with worse mortality and limb loss outcomes. This study examined the processes used by vascular services to provide urgent ca... Read More about The symptom to assessment pathway for suspected chronic limb-threatening ischaemia (CLTI) affects quality of care: a process mapping exercise.

Extracorporeal Shockwave for Intermittent Claudication and Quality of Life: A Randomized Clinical Trial (2024)
Journal Article
Cai, P., Pymer, S., Raza, A., Ibeggazene, S., Hitchman, L., Chetter, I., & Smith, G. (2024). Extracorporeal Shockwave for Intermittent Claudication and Quality of Life: A Randomized Clinical Trial. JAMA Surgery, https://doi.org/10.1001/jamasurg.2024.0625

Importance: Intermittent lower limb claudication limits function and quality of life. Supervised exercise programs are not readily available, and a noninvasive alternative is needed. Objective: To assess extracorporeal corporeal shockwave therapy in... Read More about Extracorporeal Shockwave for Intermittent Claudication and Quality of Life: A Randomized Clinical Trial.

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.

Hospital clinicians’ perceptions and experiences of care pathways for chronic limb-threatening ischaemia: a qualitative study (2023)
Journal Article
Atkins, E., Kellar, I., Birmpili, P., Boyle, J. R., Pherwani, A. D., Chetter, I., & Cromwell, D. A. (2023). Hospital clinicians’ perceptions and experiences of care pathways for chronic limb-threatening ischaemia: a qualitative study. Journal of Foot and Ankle Research, 16(1), Article 62. https://doi.org/10.1186/s13047-023-00664-6

Background: Chronic limb-threatening ischaemia (CLTI) is a condition associated with significant risks of lower limb loss and mortality, which increase with delays in management. Guidance recommends urgent referral and assessment, but delays are evid... Read More about Hospital clinicians’ perceptions and experiences of care pathways for chronic limb-threatening ischaemia: a qualitative study.

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.

Neuromuscular electrical stimulation as an adjunct to standard care in improving walking distances in intermittent claudication patients: the NESIC RCT (2023)
Journal Article
Burgess, L., Smith, S., Babber, A., Shalhoub, J., Fiorentino, F., Nohpal de la Rosa, C., Klimowska-Nassar, N., Epstein, D. M., Pérez Troncoso, D., Braithwaite, B., Chetter, I., Coulston, J., Gohel, M., Hinchliffe, R., Stansby, G., & Davies, A. H. (2023). Neuromuscular electrical stimulation as an adjunct to standard care in improving walking distances in intermittent claudication patients: the NESIC RCT. Efficacy and Mechanism Evaluation, 10(2), https://doi.org/10.3310/WGRF4128

Effectiveness of quality improvement collaboratives in UK surgical settings and barriers and facilitators influencing their implementation: A systematic review and evidence synthesis (2023)
Journal Article
Atkins, E., Birmpili, P., Glidewell, L., Li, Q., Johal, A. S., Waton, S., Boyle, J. R., Pherwani, A. D., Chetter, I., & Cromwell, D. A. (2023). Effectiveness of quality improvement collaboratives in UK surgical settings and barriers and facilitators influencing their implementation: A systematic review and evidence synthesis. BMJ Open Quality, 12(2), Article e002241. https://doi.org/10.1136/bmjoq-2022-002241

Background High-quality surgical care is vital to deliver the excellent outcomes patients deserve following surgical treatment. Quality improvement collaboratives (QICs) are based on a multicentre model for improving healthcare. They are increasingly... Read More about Effectiveness of quality improvement collaboratives in UK surgical settings and barriers and facilitators influencing their implementation: A systematic review and evidence synthesis.

Addressing delays to treatment in patients with chronic limb-threatening ischaemia (2023)
Thesis
Birmpili, P. Addressing delays to treatment in patients with chronic limb-threatening ischaemia. (Thesis). Hull York Medical School. https://hull-repository.worktribe.com/output/4371299

Patients with CLTI often face long delays from referral to the vascular surgery service and hospital admission to revascularisation, and there is limited evidence on the effect of these delays on patient outcomes. This thesis aims to identify factors... Read More about Addressing delays to treatment in patients with chronic limb-threatening ischaemia.