1
|
Lazzarini PA, Armstrong DG, Crews RT, Gooday C, Jarl G, Kirketerp-Moller K, Viswanathan V, Bus SA. Effectiveness of offloading interventions for people with diabetes-related foot ulcers: A systematic review and meta-analysis. Diabetes Metab Res Rev 2024; 40:e3650. [PMID: 37292021 DOI: 10.1002/dmrr.3650] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 04/17/2023] [Indexed: 06/10/2023]
Abstract
BACKGROUND Offloading treatment is crucial to heal diabetes-related foot ulcers (DFU). This systematic review aimed to assess the effectiveness of offloading interventions for people with DFU. METHODS We searched PubMed, EMBASE, Cochrane databases, and trials registries for all studies relating to offloading interventions in people with DFU to address 14 clinical question comparisons. Outcomes included ulcers healed, plantar pressure, weight-bearing activity, adherence, new lesions, falls, infections, amputations, quality of life, costs, cost-effectiveness, balance, and sustained healing. Included controlled studies were independently assessed for risk of bias and had key data extracted. Meta-analyses were performed when outcome data from studies could be pooled. Evidence statements were developed using the GRADE approach when outcome data existed. RESULTS From 19,923 studies screened, 194 eligible studies were identified (47 controlled, 147 non-controlled), 35 meta-analyses performed, and 128 evidence statements developed. We found non-removable offloading devices likely increase ulcers healed compared to removable offloading devices (risk ratio [RR] 1.24, 95% CI 1.09-1.41; N = 14, n = 1083), and may increase adherence, cost-effectiveness and decrease infections, but may increase new lesions. Removable knee-high offloading devices may make little difference to ulcers healed compared to removable ankle-high offloading devices (RR 1.00, 0.86-1.16; N = 6, n = 439), but may decrease plantar pressure and adherence. Any offloading device may increase ulcers healed (RR 1.39, 0.89-2.18; N = 5, n = 235) and cost-effectiveness compared to therapeutic footwear and may decrease plantar pressure and infections. Digital flexor tenotomies with offloading devices likely increase ulcers healed (RR 2.43, 1.05-5.59; N = 1, n = 16) and sustained healing compared to devices alone, and may decrease plantar pressure and infections, but may increase new transfer lesions. Achilles tendon lengthening with offloading devices likely increase ulcers healed (RR 1.10, 0.97-1.27; N = 1, n = 64) and sustained healing compared to devices alone, but likely increase new heel ulcers. CONCLUSIONS Non-removable offloading devices are likely superior to all other offloading interventions to heal most plantar DFU. Digital flexor tenotomies and Achilles tendon lengthening in combination with offloading devices are likely superior for some specific plantar DFU locations. Otherwise, any offloading device is probably superior to therapeutic footwear and other non-surgical offloading interventions to heal most plantar DFU. However, all these interventions have low-to-moderate certainty of evidence supporting their outcomes and more high-quality trials are needed to improve our certainty for the effectiveness of most offloading interventions.
Collapse
Affiliation(s)
- P A Lazzarini
- School of Public Health and Social Work, Queensland University of Technology, Brisbane, Queensland, Australia
- Allied Health Research Collaborative, The Prince Charles Hospital, Brisbane, Queensland, Australia
| | - D G Armstrong
- Southwestern Academic Limb Salvage Alliance (SALSA), Department of Surgery, Keck School of Medicine of University of Southern California (USC), Los Angeles, California, USA
| | - R T Crews
- Dr. William M. Scholl College of Podiatric Medicine's Center for Lower Extremity Ambulatory Research (CLEAR), Rosalind Franklin University, North Chicago, Illinois, USA
| | - C Gooday
- Elsie Bertram Diabetes Centre, Norfolk and Norwich University Hospitals, Norwich, UK
| | - G Jarl
- Department of Prosthetics and Orthotics, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
- University Health Care Research Center, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - K Kirketerp-Moller
- Copenhagen Wound Healing Center, Bispebjerg University Hospital, Copenhagen, Denmark
- Steno Diabetes Center, Copenhagen, Denmark
| | | | - S A Bus
- Amsterdam UMC, University of Amsterdam, Rehabilitation Medicine, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| |
Collapse
|
2
|
Tamir E, Finestone AS, Beer Y, Anekstein Y, Atzmon R, Smorgick Y. Radiographic Bone Healing in Minimally Invasive Floating Metatarsal Osteotomy for Neuropathic Plantar Metatarsal Head Ulcers - A Retrospective Cohort Study. INT J LOW EXTR WOUND 2022:15347346221126004. [PMID: 36113048 DOI: 10.1177/15347346221126004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2024]
Abstract
Minimally invasive floating metatarsal osteotomy is an option for treating neuropathic ulcers under the metatarsal heads. This study presents the radiographic results of the floating metatarsal osteotomy. We reviewed files and radiographs at least 4 months after a floating metatarsal osteotomy in patients with diabetic neuropathy. In 71 osteotomies in 54 patients with late onset diabetes (mean age 61 ± 9, mean HbA1c 7.9 ± 1.9%), the primary ulcer healed within 3.5 ± 1.4 weeks. Of 66 osteotomies where radiographs were available 10 had non-union (15%, all asymptomatic), 15 (23%) had hypertrophic callus formation and 41 (62%) had normal union. One patient developed an ulcer under the hypertrophic callus. This necessitated callus resection. Asymptomatic non-union may happen in 15% of floating osteotomies, but the osteotomies appear to be relatively safe and effective for neuropathic plantar metatarsal head ulcers. Hypertropic callus causing local re-ulceration is rare and can be managed surgically.
Collapse
Affiliation(s)
- Eran Tamir
- Department of Orthopaedic Surgery, 37256Shamir Medical Center, Zerrifin, Israel; Affiliated to the Faculty of Medicine, 26745Tel Aviv University, Tel Aviv, Israel
- 50092Maccabi Health Services, Tel Aviv, Israel
| | - Aharon S Finestone
- Department of Orthopaedic Surgery, 37256Shamir Medical Center, Zerrifin, Israel; Affiliated to the Faculty of Medicine, 26745Tel Aviv University, Tel Aviv, Israel
- 50092Maccabi Health Services, Tel Aviv, Israel
| | - Yiftah Beer
- Department of Orthopaedic Surgery, 37256Shamir Medical Center, Zerrifin, Israel; Affiliated to the Faculty of Medicine, 26745Tel Aviv University, Tel Aviv, Israel
| | - Yoram Anekstein
- Department of Orthopaedic Surgery, 37256Shamir Medical Center, Zerrifin, Israel; Affiliated to the Faculty of Medicine, 26745Tel Aviv University, Tel Aviv, Israel
| | - Ran Atzmon
- Department of Orthopaedic Surgery, 64850Assuta Medical Center, Ashdod, Israel; Affiliated to the Faculty of Health Sciences, Ben Gurion University, Beersheba, Israel
| | - Yossi Smorgick
- Department of Orthopaedic Surgery, 37256Shamir Medical Center, Zerrifin, Israel; Affiliated to the Faculty of Medicine, 26745Tel Aviv University, Tel Aviv, Israel
| |
Collapse
|
3
|
Voon K, Vo UG, Hand R, Hiew J, Ritter JC, Hamilton EJ, Manning L. Routine bacterial culture of proximal bone specimens during minor amputation in patients with diabetes-related foot infections has little clinical utility in predicting re-operation or ulcer healing. J Foot Ankle Res 2022; 15:64. [PMID: 35987828 PMCID: PMC9392904 DOI: 10.1186/s13047-022-00563-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 07/31/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Trans-phalangeal and trans-metatarsal amputation, collectively termed 'minor amputations' are important procedures for managing infections of diabetes-related foot ulcers (DFU). Following minor amputation, international guidelines recommend a prolonged course of antibiotics if residual infected bone on intra-operative bone samples are identified, but the quality of the evidence underpinning these guidelines is low. In this study, we examined the concordance of microbiological results from proximal bone cultures compared to results from superficial wound swabs in relation to patient outcomes; with the aim of determining the utility of routinely obtaining marginal bone specimens. METHODS Data was retrospectively collected on 144 individuals who underwent minor amputations for infected DFU at a large Australian tertiary hospital. Concordance was identified for patients with both superficial wound swabs and intra-operative bone samples available. Patient outcomes were monitored up to 6 months post-amputation. The primary outcome was complete healing at 6 months; and secondary outcome measures included further surgery and death. Mann Whitney U testing was performed for bivariate analyses of continuous variables, Chi-Squared testing used for categorical variables and a logistic regression was performed with healing as the dependent variable. RESULTS A moderate-high degree of concordance was observed between microbiological samples, with 38/111 (35%) of patients having discordant wound swab and bone sample microbiology. Discordant results were not associated with adverse outcomes (67.2% with concordant results achieved complete healing compared with 68.6% patients with discordant results; P = 0.89). Revascularisation during admission (0.37 [0.13-0.96], P = 0.04) and amputation of the 5th ray (0.45 [0.21-0.94], P = 0.03) were independent risk factors for non-healing. CONCLUSION There was a moderate-high degree of concordance between superficial wound swab results and intra-operative bone sample microbiology in this patient cohort. Discordance was not associated with adverse outcomes. These results suggest there is little clinical utility in routinely collecting proximal bone as an adjunct to routine wound swabs for culture during minor amputation for an infected DFU.
Collapse
Affiliation(s)
- Kimberly Voon
- Multidisciplinary Diabetes Foot Ulcer Service, Fiona Stanley Hospital, Murdoch, Australia
- Department of Endocrinology, Fiona Stanley Hospital, Murdoch, Australia
| | - Uyen G Vo
- Multidisciplinary Diabetes Foot Ulcer Service, Fiona Stanley Hospital, Murdoch, Australia
- Department of Vascular Surgery, Fiona Stanley Hospital, Murdoch, Australia
| | - Robert Hand
- Multidisciplinary Diabetes Foot Ulcer Service, Fiona Stanley Hospital, Murdoch, Australia
- Department of Infectious Diseases, Fiona Stanley Hospital, Murdoch, Australia
| | - Jonathan Hiew
- Multidisciplinary Diabetes Foot Ulcer Service, Fiona Stanley Hospital, Murdoch, Australia
- Department of Podiatry, Fiona Stanley Hospital, Murdoch, Australia
| | - Jens Carsten Ritter
- Multidisciplinary Diabetes Foot Ulcer Service, Fiona Stanley Hospital, Murdoch, Australia
- Department of Vascular Surgery, Fiona Stanley Hospital, Murdoch, Australia
- School of Medicine, Curtin University, Bentley, Australia
| | - Emma J Hamilton
- Multidisciplinary Diabetes Foot Ulcer Service, Fiona Stanley Hospital, Murdoch, Australia
- Department of Endocrinology, Fiona Stanley Hospital, Murdoch, Australia
- Medical School, University of Western Australia, Harry Perkins Research Institute, Fiona Stanley Hospital, PO Box 404, Bull Creek, Western Australia, 6149, Australia
| | - Laurens Manning
- Multidisciplinary Diabetes Foot Ulcer Service, Fiona Stanley Hospital, Murdoch, Australia.
- Department of Infectious Diseases, Fiona Stanley Hospital, Murdoch, Australia.
- Medical School, University of Western Australia, Harry Perkins Research Institute, Fiona Stanley Hospital, PO Box 404, Bull Creek, Western Australia, 6149, Australia.
| |
Collapse
|
4
|
Cates NK, Bunka TJ, Kavanagh AM, Wynes J. Split Anterior Tibial Tendon Transfer to Dorsal Lateral Foot for Cavovarus Deformities With Neuropathic Ulcerations: A Case Series. J Foot Ankle Surg 2022; 61:189-194. [PMID: 34489166 DOI: 10.1053/j.jfas.2021.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 08/03/2021] [Accepted: 08/05/2021] [Indexed: 02/03/2023]
Abstract
Cavovarus deformity leads to increased peak pressure on the plantar lateral foot, which can lead to ulceration, and can potentially progress to amputation. Techniques have been suggested in the treatment of cavovarus deformity, such as peroneus brevis or longus tendon transfer, anterior tibial tendon lengthening, posterior tibial tendon transfer, or boney resection. This case series shows split anterior tibial tendon transfer as a surgical reconstruction of cavovarus pedal deformity. Our technique of split anterior tibial tendon in-phase transfer to the dorsal lateral foot, restores the eversion and dorsiflexory pull necessary to offset peroneal attenuation. The procedure can be performed primarily or staged, in order to achieve infection temporization prior to the transfer. A total of 14 patients underwent split anterior tibial tendon transfer, 57.14% (8/14) of which had preoperative ulcerations, and 42.86% (6/14) of which had preoperative hyperkeratotic pre-ulcerative lesions. The preoperative ulcerations were present for an average of 67.89 weeks (range 2-232), with an average area of 6.09 ± 7.44 cm2. The ulcerations healed in 75% (6/8) of the patients, at 19.67 weeks (range 1.57-76), with new ulceration occurrence in 7.14% (1/14) of patients, 7.14% (1/14) rate of ulceration recurrence. None of the patients went on to minor or major amputation. The goal of the tendon transfer is to decrease midfoot plantar pressures on the lateral foot and allow for resolution of pre-existing ulcerations and rebalancing the foot and ankle.
Collapse
Affiliation(s)
- Nicole K Cates
- Fellowship Trained Foot and Ankle Surgeon, Hand & Microsurgery Medical Group, San Francisco, CA.
| | - Taylor J Bunka
- Resident Physician, Department of Plastics Surgery, MedStar Georgetown University Hospital, Washington, DC
| | - Amber M Kavanagh
- Resident Physician, Department of Plastics Surgery, MedStar Georgetown University Hospital, Washington, DC
| | - Jacob Wynes
- Assistant Professor Fellowship Program Director, Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD
| |
Collapse
|
5
|
Veljkovic A, Le V, Escudero M, Salat P, Wing K, Penner M, Younger A. Successful fifth metatarsal bulk autograft reconstruction of thermal necrosis post intramedullary fixation. Knee Surg Sports Traumatol Arthrosc 2020; 28:1595-1599. [PMID: 29564471 DOI: 10.1007/s00167-018-4903-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 03/16/2018] [Indexed: 01/22/2023]
Abstract
Reamed intramedullary (IM) screw fixation for proximal fifth metatarsal fractures is technically challenging with potentially devastating complications if basic principles are not followed. A case of an iatrogenic fourth-degree burn after elective reamed IM screw fixation of a proximal fifth metatarsal fracture in a high-level athlete is reported. The case was complicated by postoperative osteomyelitis with third-degree soft-tissue defect. This was successfully treated with staged autologous bone graft reconstruction, tendon reconstruction, and local bi-pedicle flap coverage. The patient returned to competitive-level sports, avoiding the need for fifth ray amputation. Critical points of the IM screw technique and definitive reconstruction are discussed. Bulk autograft reconstruction is a safe and effective alternative to ray amputation in segmental defects of the fifth metatarsal.Level of evidence V.
Collapse
Affiliation(s)
- Andrea Veljkovic
- Department of Orthopaedics, University of British Columbia, Vancouver, Canada
| | - Vu Le
- Department of Orthopaedics, University of British Columbia, Vancouver, Canada.
| | - Mario Escudero
- Department of Orthopaedics, University of British Columbia, Vancouver, Canada
| | - Peter Salat
- Department of Radiology, University of Calgary, Calgary, Canada
| | - Kevin Wing
- Department of Orthopaedics, University of British Columbia, Vancouver, Canada
| | - Murray Penner
- Department of Orthopaedics, University of British Columbia, Vancouver, Canada
| | - Alastair Younger
- Department of Orthopaedics, University of British Columbia, Vancouver, Canada
| |
Collapse
|
6
|
Lazzarini PA, Jarl G, Gooday C, Viswanathan V, Caravaggi CF, Armstrong DG, Bus SA. Effectiveness of offloading interventions to heal foot ulcers in persons with diabetes: a systematic review. Diabetes Metab Res Rev 2020; 36 Suppl 1:e3275. [PMID: 32176438 PMCID: PMC8370012 DOI: 10.1002/dmrr.3275] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 09/01/2019] [Accepted: 09/30/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Offloading interventions are commonly used in clinical practice to heal foot ulcers. The aim of this updated systematic review is to investigate the effectiveness of offloading interventions to heal diabetic foot ulcers. METHODS We updated our previous systematic review search of PubMed, EMBASE, and Cochrane databases to also include original studies published between July 29, 2014 and August 13, 2018 relating to four offloading intervention categories in populations with diabetic foot ulcers: (a) offloading devices, (b) footwear, (c) other offloading techniques, and (d) surgical offloading techniques. Outcomes included ulcer healing, plantar pressure, ambulatory activity, adherence, adverse events, patient-reported measures, and cost-effectiveness. Included controlled studies were assessed for methodological quality and had key data extracted into evidence and risk of bias tables. Included non-controlled studies were summarised on a narrative basis. RESULTS We identified 41 studies from our updated search for a total of 165 included studies. Six included studies were meta-analyses, 26 randomised controlled trials (RCTs), 13 other controlled studies, and 120 non-controlled studies. Five meta-analyses and 12 RCTs provided high-quality evidence for non-removable knee-high offloading devices being more effective than removable offloading devices and therapeutic footwear for healing plantar forefoot and midfoot ulcers. Total contact casts (TCCs) and non-removable knee-high walkers were shown to be equally effective. Moderate-quality evidence exists for removable knee-high and ankle-high offloading devices being equally effective in healing, but knee-high devices have a larger effect on reducing plantar pressure and ambulatory activity. Low-quality evidence exists for the use of felted foam and surgical offloading to promote healing of plantar forefoot and midfoot ulcers. Very limited evidence exists for the efficacy of any offloading intervention for healing plantar heel ulcers, non-plantar ulcers, and neuropathic ulcers with infection or ischemia. CONCLUSION Strong evidence supports the use of non-removable knee-high offloading devices (either TCC or non-removable walker) as the first-choice offloading intervention for healing plantar neuropathic forefoot and midfoot ulcers. Removable offloading devices, either knee-high or ankle-high, are preferred as second choice over other offloading interventions. The evidence bases to support any other offloading intervention is still weak and more high-quality controlled studies are needed in these areas.
Collapse
Affiliation(s)
- Peter A. Lazzarini
- School of Public Health and Social Work, Queensland
University of Technology, Brisbane, Queensland, Australia
- Allied Health Research Collaborative, The Prince Charles
Hospital, Brisbane, Queensland, Australia
| | - Gustav Jarl
- Department of Prosthetics and Orthotics, Faculty of
Medicine and Health, Örebro University, Örebro, Sweden
- University Health Care Research Center, Faculty of Medicine
and Health, Örebro University, Örebro, Sweden
| | - Catherine Gooday
- Elsie Bertram Diabetes Centre, Norfolk and Norwich
University Hospitals, Norwich, UK
- School of Health Sciences, University of East Anglia,
Norwich, UK
| | | | - Carlo F. Caravaggi
- Diabetic Foot Department, IRCCS Multimedica Group, Milan,
Italy
- University Vita-Salute San Raffaele, Milan, Italy
| | - David G. Armstrong
- Southwestern Academic Limb Salvage Alliance (SALSA),
Department of Surgery, Keck School of Medicine of University of Southern California
(USC), Los Angeles, California, USA
| | - Sicco A. Bus
- Amsterdam UMC, University of Amsterdam, Rehabilitation
Medicine, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| |
Collapse
|
7
|
Lower Extremity Amputations in At-Risk Patients: A Focus on Tissue Viability and Function in the Compromised Limb. Clin Podiatr Med Surg 2019; 36:483-498. [PMID: 31079612 DOI: 10.1016/j.cpm.2019.02.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Amputations distal to the ankle joint are commonly performed in efforts to preserve a limb. Thorough examination of lower extremity biomechanics, patient functional status, and patient goals must be used to help prevent reulceration and further amputation. Once infection is resolved in the acute setting, musculotendon balancing should be considered at the time of amputation closure to maintain functionality of the limb. Patients should be closely followed postoperatively and monitored for biomechanical deformity that needs to be addressed. Careful attention to detail and adherence to surgical principles can help keep patients active and prevent further amputation.
Collapse
|