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Guo P, Chen L, Yang D, Zhang L, Shu C, Li H, Zhu J, Zhou J, Li X. Predictive value of plasma ephrinB2 levels for amputation risk following endovascular revascularization in peripheral artery disease. PeerJ 2024; 12:e17531. [PMID: 38854794 PMCID: PMC11162178 DOI: 10.7717/peerj.17531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 05/17/2024] [Indexed: 06/11/2024] Open
Abstract
Background The aim of this study is to investigate the expression levels of ephrinB2 in patients with lower extremity peripheral arterial disease (PAD) and explore its association with the severity of the disease and the risk of amputation after endovascular revascularization. Methods During the period from March 2021 to March 2023, this study collected blood samples and clinical data from 133 patients diagnosed with lower extremity PAD and 51 healthy volunteer donors. The severity of lower extremity PAD patients was classified using the Rutherford categories. The expression of ephrin-B2 in plasma samples was detected using the Western Blotting. Results Compared to the control group, the levels of serum ephrinB2 in patients were significantly elevated (p < 0.001). Moreover, the plasma EphrinB2 levels were positively correlated with white blood cell counts (r = 0.204, p = 0.018), neutrophil counts (r = 0.174, p = 0.045), and neutrophil-to-lymphocyte ratio (NLR) (r = 0.223, p = 0.009). Furthermore, the AUCs of plasma ephrinB2 level, NLR, and their combination as predictors for amputation events within 30 months after lower extremity PAD endovascular revascularization were 0.659, 0.730 and 0.811. In the high-ephrinB2 group, the incidence of amputation events within 30 months after endovascular revascularization was higher. Conclusions Plasma EphrinB2 levels may be linked to lower extremity PAD development, inflammation, and postoperative amputation. Combining EphrinB2 and NLR can improve amputation prediction accuracy after endovascular revascularization in lower extremity PAD patients.
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Affiliation(s)
- Pengcheng Guo
- Vascular Surgery Department, the Secondary Xiangya Hospital, Central South University, Hunan, China
- Institute of Vascular Diseases, Central South University, Chang Sha, Hunan, China
| | - Lei Chen
- Pharmacy Department, the Secondary Xiangya Hospital, Central South University, Hunan, China
| | - Dafeng Yang
- Cardiology Surgery Department, the Secondary Xiangya Hospital, Central South University, Hunan, China
| | - Lei Zhang
- Vascular Surgery Department, the Secondary Xiangya Hospital, Central South University, Hunan, China
- Institute of Vascular Diseases, Central South University, Chang Sha, Hunan, China
| | - Chang Shu
- Vascular Surgery Department, the Secondary Xiangya Hospital, Central South University, Hunan, China
- Institute of Vascular Diseases, Central South University, Chang Sha, Hunan, China
- State Key Laboratory of Cardiovascular Diseases, Center of Vascular Surgery, Fuwai Hospital National Center for Cardiovascular Diseases, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Huande Li
- Pharmacy Department, the Secondary Xiangya Hospital, Central South University, Hunan, China
| | - Jieting Zhu
- Vascular Surgery Department, the Secondary Xiangya Hospital, Central South University, Hunan, China
- Institute of Vascular Diseases, Central South University, Chang Sha, Hunan, China
| | - Jienan Zhou
- Vascular Surgery Department, the Secondary Xiangya Hospital, Central South University, Hunan, China
- Institute of Vascular Diseases, Central South University, Chang Sha, Hunan, China
| | - Xin Li
- Vascular Surgery Department, the Secondary Xiangya Hospital, Central South University, Hunan, China
- Institute of Vascular Diseases, Central South University, Chang Sha, Hunan, China
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2
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Nguyen TT, Folle L, Bayer T. Detection of femoropopliteal arterial steno-occlusion at MR angiography: initial experience with artificial intelligence. Eur Radiol Exp 2024; 8:30. [PMID: 38472603 DOI: 10.1186/s41747-024-00433-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 01/11/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND This study evaluated a deep learning (DL) algorithm for detecting vessel steno-occlusions in patients with peripheral arterial disease (PAD). It utilised a private dataset, which was acquired and annotated by the authors through their institution and subsequently validated by two blinded readers. METHODS A single-centre retrospective study analysed 105 magnetic resonance angiography (MRA) images using an EfficientNet B0 DL model. Initially, inter-reader variability was assessed using the complete dataset. For a subset of these images (29 from the left side and 35 from the right side) where digital subtraction angiography (DSA) data was available as the ground truth, the model's accuracy and the area under the curve at receiver operating characteristics analysis (ROC-AUC) were evaluated. RESULTS A total of 105 patient examinations (mean age, 75 years ±12 [mean ± standard deviation], 61 men) were evaluated. Radiologist-DL model agreement had a quadratic weighted Cohen κ ≥ 0.72 (left side) and ≥ 0.66 (right side). Radiologist inter-reader agreement was ≥ 0.90 (left side) and ≥ 0.87 (right side). The DL model achieved a 0.897 accuracy and a 0.913 ROC-AUC (left side) and 0.743 and 0.830 (right side). Radiologists achieved 0.931 and 0.862 accuracies, with 0.930 and 0.861 ROC-AUCs (left side), and 0.800 and 0.799 accuracies, with 0.771 ROC-AUCs (right side). CONCLUSION The DL model provided valid results in identifying arterial steno-occlusion in the superficial femoral and popliteal arteries on MRA among PAD patients. However, it did not reach the inter-reader agreement of two radiologists. RELEVANCE STATEMENT The tested DL model is a promising tool for assisting in the detection of arterial steno-occlusion in patients with PAD, but further optimisation is necessary to provide radiologists with useful support in their daily routine diagnostics. KEY POINTS • This study focused on the application of DL for arterial steno-occlusion detection in lower extremities on MRA. • A previously developed DL model was tested for accuracy and inter-reader agreement. • While the model showed promising results, it does not yet replace human expertise in detecting arterial steno-occlusion on MRA.
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Affiliation(s)
- Tri-Thien Nguyen
- Institute of Neuroradiology and Radiology, Klinikum Fürth, Fürth, Germany.
| | - Lukas Folle
- Faculty of Pattern Recognition, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Thomas Bayer
- Institute of Neuroradiology and Radiology, Klinikum Fürth, Fürth, Germany
- Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
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3
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Ingwersen M, Kunstmann I, Oswald C, Best N, Weisser B, Teichgräber U. Exercise Training for Patients With Peripheral Arterial Occlusive Disease. DEUTSCHES ARZTEBLATT INTERNATIONAL 2023; 120:879-885. [PMID: 38019155 PMCID: PMC10859744 DOI: 10.3238/arztebl.m2023.0231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 10/18/2023] [Accepted: 10/18/2023] [Indexed: 11/30/2023]
Abstract
BACKGROUND One-third of all persons with peripheral arterial occlusive disease (PAOD) suffer from intermittent claudication. Exercise training under appropriate supervision is recommended in the pertinent guidelines, but physicians order it too rarely, and so-called vascular exercise groups are not available everywhere. This situation needs improvement in view of the impor - tance of walking ability and cardiorespiratory fitness for patients' quality of life and long-term disease outcome. METHODS We review the scientific evidence on exercise training and on ways to lower barriers to the ordering of exercise training and to patient participation, on the basis of pertinent articles retrieved by a search of PubMed and in specialized sports science journals. RESULTS 10 meta-analyses, 12 randomized controlled trials (RCTs), and 7 cohort studies were considered for this review. Largescale cohort studies have shown that exercise is associated with a lower risk of death (relative risk 0.65-0.78 after 12 months of exercise training, compared to an inactive lifestyle). Exercise training also improves the maximal walking distance by a mean of 136 m (training at home) or 180-310 m (supervised training). An additional improvement by a mean of 282 m can be expected from a combination of exercise training and endovascular revascularization. Further behavior-modifying interventions, such as goal-setting, planning, and feedback, increase both the maximum walking distance and the weekly duration of exercise. CONCLUSION Exercise improves walking ability and lowers mortality. To attract patients with intermittent claudication to exercise training, a broad assortment of analog, digital and telemetric tools and a dense network of vascular exercise groups should be made available, along with regular contact between physicians and patients.
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Affiliation(s)
- Maja Ingwersen
- Institute of Diagnostic and Interventional Radiology, Jena University Hospital, Jena, Germany
| | - Ina Kunstmann
- Institute of Diagnostic and Interventional Radiology, Jena University Hospital, Jena, Germany
| | - Carolin Oswald
- Institute of Diagnostic and Interventional Radiology, Jena University Hospital, Jena, Germany
| | - Norman Best
- Institute of Physical and Rehabilitation Medicine, Sophien and Hufeland Hospital Weimar, Academic Teaching Hospital, University of Jena, Jena, Germany
| | - Burkhard Weisser
- Institute of Sports Science, Department of Sports Medicine, Kiel University, Kiel, Germany
| | - Ulf Teichgräber
- Institute of Diagnostic and Interventional Radiology, Jena University Hospital, Jena, Germany
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4
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Sabeti S, Nayak R, McBane RD, Fatemi M, Alizad A. Contrast-free ultrasound imaging for blood flow assessment of the lower limb in patients with peripheral arterial disease: a feasibility study. Sci Rep 2023; 13:11321. [PMID: 37443250 PMCID: PMC10345143 DOI: 10.1038/s41598-023-38576-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 07/11/2023] [Indexed: 07/15/2023] Open
Abstract
While being a relatively prevalent condition particularly among aging patients, peripheral arterial disease (PAD) of lower extremities commonly goes undetected or misdiagnosed due to its symptoms being nonspecific. Additionally, progression of PAD in the absence of timely intervention can lead to dire consequences. Therefore, development of non-invasive and affordable diagnostic approaches can be highly beneficial in detection and treatment planning for PAD patients. In this study, we present a contrast-free ultrasound-based quantitative blood flow imaging technique for PAD diagnosis. The method involves monitoring the variations of blood flow in the calf muscle in response to thigh-pressure-cuff-induced occlusion. Four quantitative metrics are introduced for analysis of these variations. These metrics include post-occlusion to baseline flow intensity variation (PBFIV), total response region (TRR), Lag0 response region (L0RR), and Lag4 (and more) response region (L4 + RR). We examine the feasibility of this method through an in vivo study consisting of 14 PAD patients with abnormal ankle-brachial index (ABI) and 8 healthy volunteers. Ultrasound data acquired from 13 legs in the patient group and 13 legs in the healthy group are analyzed. Out of the four utilized metrics, three exhibited significantly different distributions between the two groups (p-value < 0.05). More specifically, p-values of 0.0015 for PBFIV, 0.0183 for TRR, and 0.0048 for L0RR were obtained. The results of this feasibility study indicate the diagnostic potential of the proposed method for the detection of PAD.
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Affiliation(s)
- Soroosh Sabeti
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Rohit Nayak
- Department of Radiology, Mayo Clinic College of Medicine and Science, 200 1st Street SW, Rochester, MN, 55905, USA
| | - Robert D McBane
- Department of Cardiovascular, Division of Vascular Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Mostafa Fatemi
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Azra Alizad
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, MN, USA.
- Department of Radiology, Mayo Clinic College of Medicine and Science, 200 1st Street SW, Rochester, MN, 55905, USA.
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Marie Hoffmann-Wieker C, Ronellenfitsch U. In Reply. DEUTSCHES ARZTEBLATT INTERNATIONAL 2023; 120:402. [PMID: 37561004 PMCID: PMC10433368 DOI: 0.3238/arztebl.m2023.0030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Affiliation(s)
| | - Ulrich Ronellenfitsch
- **Klinik für Viszeral-, Gefäß- und Endokrine Chirurgie, Universitätsklinikum Halle (Saale), Halle, Germany
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Rümenapf G. Conclusion not Substantiated. DEUTSCHES ARZTEBLATT INTERNATIONAL 2023; 120:402. [PMID: 37561003 PMCID: PMC10433367 DOI: 10.3238/arztebl.m2023.0029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Affiliation(s)
- Gerhard Rümenapf
- *Oberrheinisches Gefäßzentrum Speyer, Klinik für Gefäßchirurgie, Diakonissen-Stiftungs-Krankenhaus, Speyer, Germany;
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Passek K, Ronellenfitsch U, Meisenbacher K, Peters A, Böckler D. [Results of a single center vascular screening program in Germany]. CHIRURGIE (HEIDELBERG, GERMANY) 2023; 94:342-348. [PMID: 36808496 PMCID: PMC10042912 DOI: 10.1007/s00104-023-01821-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Accepted: 01/16/2023] [Indexed: 02/23/2023]
Abstract
BACKGROUND Cardiovascular diseases are the main cause of death in Europe with a relevant socioeconomic burden. A screening program for vascular diseases in asymptomatic persons with a defined risk constellation can lead to an early diagnosis. OBJECTIVE The study examined a screening program for carotid stenosis, peripheral arterial occlusive disease (PAOD) and abdominal aortic aneurysms (AAA) in persons without any known vascular disease with respect to demographic data, risk factors, pre-existing conditions, medication intake, detection of pathological findings and/or findings requiring treatment. MATERIAL AND METHODS Test subjects were invited using various information material and filled in a questionnaire on cardiovascular risk factors. The screening took place with measurement of the ABI and duplex sonography as a monocentric prospective single arm study within 1 year. Endpoints were the prevalence of risk factors and pathological and/or results requiring treatment. RESULTS A total of 391 persons participated, 36% presented with at least 1 cardiovascular risk factor, 35.5% with 2 and 14.4% with 3 or more. The sonography showed results requiring control with a carotid stenosis of < 50-> 75% or occlusion in 9%. An AAA with a diameter of 3.0-4.5 cm was diagnosed in 0.9% and a pathological ABI < 0.9 or > 1.3 in 12.3%. The indications for a pharmacotherapy were found in 17% and no operation was recommended. CONCLUSION The practicability of a screening program for carotid stenosis, PAOD and AAA of a defined risk population was shown. Vascular pathologies that required treatment were hardly found in the catchment area of the hospital. Consequently, the implementation of this screening program in Germany based on the collected data cannot currently be recommended in this form.
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Affiliation(s)
- K Passek
- Klinik für Gefäßchirurgie und Endovaskuläre Chirurgie, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Deutschland.
| | - U Ronellenfitsch
- Klinik für viszerale, Gefäß- und endokrine Chirurgie, Universitätsklinikum Halle (Saale), Ernst-Grube-Straße 40, 06120, Halle, Deutschland
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Sieland J, Niederer D, Engeroff T, Vogt L, Troidl C, Schmitz-Rixen T, Banzer W, Troidl K. Changes in miRNA expression in patients with peripheral arterial vascular disease during moderate- and vigorous-intensity physical activity. Eur J Appl Physiol 2023; 123:645-654. [PMID: 36418750 PMCID: PMC9684818 DOI: 10.1007/s00421-022-05091-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/09/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Walking is the preferred therapy for peripheral arterial disease in early stage. An effect of walking exercise is the increase of blood flow and fluid shear stress, leading, triggered by arteriogenesis, to the formation of collateral blood vessels. Circulating micro-RNA may act as an important information transmitter in this process. We investigated the acute effects of a single bout of 1) aerobic walking with moderate intensity; and 2) anaerobic walking with vigorous intensity on miRNA parameters related to vascular collateral formation. METHODS Ten (10) patients with peripheral arterial disease with claudication (age 72 ± 7 years) participated in this two-armed, randomized-balanced cross-over study. The intervention arms were single bouts of supervised walking training at (1) vigorous intensity on a treadmill up to volitional exhaustion and (2) moderate intensity with individual selected speed for a duration of 20 min. One week of washout was maintained between the arms. During each intervention, heart rate was continuously monitored. Acute effects on circulating miRNAs and lactate concentration were determined using pre- and post-intervention measurement comparisons. RESULTS Vigorous-intensity walking resulted in a higher heart rate (125 ± 21 bpm) than the moderate-intensity intervention (88 ± 9 bpm) (p < 0.05). Lactate concentration was increased after vigorous-intensity walking (p = 0.005; 3.3 ± 1.2 mmol/l), but not after moderate exercising (p > 0.05; 1.7 ± 0.6 mmol/l). The circulating levels of miR-142-5p and miR-424-5p were up-regulated after moderate-intensity (p < 0.05), but not after vigorous-intensity training (p > 0.05). CONCLUSION Moderate-intensity walking seems to be more feasible than vigorous exercises to induce changes of blood flow and endurance training-related miRNAs in patients with peripheral arterial disease. Our data thus indicates that effect mechanisms might follow an optimal rather than a maximal dose response relation. Steady state walking without the necessity to reach exhaustion seems to be better suited as stimulus.
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Affiliation(s)
- Johanna Sieland
- Department of Sports Medicine, Institute of Sports Sciences, Goethe University, Ginnheimer Landstraße 39, 60487, Frankfurt, Germany.
| | - Daniel Niederer
- grid.7839.50000 0004 1936 9721Department of Sports Medicine, Institute of Sports Sciences, Goethe University, Ginnheimer Landstraße 39, 60487 Frankfurt, Germany ,grid.7839.50000 0004 1936 9721Division of Preventive and Sports Medicine, Institute for Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany
| | - Tobias Engeroff
- grid.7839.50000 0004 1936 9721Institute for Occupational Medicine, Social Medicine and Environmental Medicine, Division Health and Performance, Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany
| | - Lutz Vogt
- grid.7839.50000 0004 1936 9721Department of Sports Medicine, Institute of Sports Sciences, Goethe University, Ginnheimer Landstraße 39, 60487 Frankfurt, Germany
| | - Christian Troidl
- grid.8664.c0000 0001 2165 8627Department of Experimental Cardiology, Medical Faculty, Justus-Liebig-University, 35392 Giessen, Germany ,grid.419757.90000 0004 0390 5331Department of Cardiology, Kerckhoff Heart and Thorax Center, 61231 Bad Nauheim, Germany ,grid.452396.f0000 0004 5937 5237German Center for Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt Am Main, Germany
| | - Thomas Schmitz-Rixen
- grid.411088.40000 0004 0578 8220Department of Vascular and Endovascular Surgery, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany
| | - Winfried Banzer
- grid.7839.50000 0004 1936 9721Division of Preventive and Sports Medicine, Institute for Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany
| | - Kerstin Troidl
- grid.411088.40000 0004 0578 8220Department of Vascular and Endovascular Surgery, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany ,grid.449744.e0000 0000 9323 0139Department of Life Sciences and Engineering, TH Bingen, Berlinstrasse 109, 55411 Bingen Am Rhein, Germany
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9
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Marie Hoffmann-Wieker C, Ronellenfitsch U, Rebelo A, Görg N, Schwarzer G, Ballotta E, Gouëffic Y, Böckler D. Open Surgical Thrombendarterectomy Versus Endovascular Treatment in Occlusive Processes of the Femoral Artery Bifurcation. DEUTSCHES ARZTEBLATT INTERNATIONAL 2022; 119:803-809. [PMID: 36424715 PMCID: PMC9906024 DOI: 10.3238/arztebl.m2022.0331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/07/2022] [Accepted: 09/21/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND The standard treatment of occlusive processes of the femoral artery bifurcation is thrombendarterectomy (TEA). Endovascular techniques (ENDO) have recently been put forward as a potential alternative. It is unclear so far which modality yields better outcomes with respect to long-term revascularization and periprocedural complications. Method: Multiple databases were systematically searched for pertinent publications (publication date November 1965 to February 2022). From the included studies, individual patient data (IPD) were requested. Aggregate data (AD) were used when no IPD were available. Primary and secondary patency (PP and SP), perioperative morbidity/mortality, and further endpoints were determined separately for TEA and ENDO and compared with each other. AD for each modality were summarized in meta-analyses. Time-to-event analyses and comparative meta-analyses with PP as primary endpoint were carried out using IPD. Results: 42 studies (3 IPD, 39 AD; 27 TEA, 12 ENDO, 3 comparisons of TEA versus ENDO) were included. In the combined meta-analysis of IPD and AD, PP for TEA was 97% at 6 months and 92% at 12 months, while PP for ENDO was 84% at 6 months and 85% at 12 months. The differences were not statistically significant. The comparative meta-analysis regarding PP did not reveal any significant differences either (TEA versus ENDO: HR 0.30 [0.06; 1.48]). SP at 12 months was 97% (TEA) and 93% (ENDO). The periprocedural morbidity was 16% for TEA and 9% for ENDO. Conclusion: In light of a higher PP, even without formal statistical proof of superiority, TEA can still be considered the standard treatment for occlusive processes of the femoral artery bifurcation. METHODS Multiple databases were systematically searched for pertinent publications (publication date November 1965 to February 2022). From the included studies, individual patient data (IPD) were requested. Aggregate data (AD) were used when no IPD were available. Primary and secondary patency (PP and SP), perioperative morbidity/mortality, and further endpoints were determined separately for TEA and ENDO and compared with each other. AD for each modality were summarized in meta-analyses. Time-to-event analyses and comparative meta-analyses with PP as primary endpoint were carried out using IPD. RESULTS 42 studies (3 IPD, 39 AD; 27 TEA, 12 ENDO, 3 comparisons of TEA versus ENDO) were included. In the combined meta-analysis of IPD and AD, PP for TEA was 97% at 6 months and 92% at 12 months, while PP for ENDO was 84% at 6 months and 85% at 12 months. The differences were not statistically significant. The comparative meta-analysis regarding PP did not reveal any significant differences either (TEA versus ENDO: HR 0.30 [0.06; 1.48]). SP at 12 months was 97% (TEA) and 93% (ENDO). The periprocedural morbidity was 16% for TEA and 9% for ENDO. CONCLUSION In light of a higher PP, even without formal statistical proof of superiority, TEA can still be considered the standard treatment for occlusive processes of the femoral artery bifurcation.
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Affiliation(s)
- Carola Marie Hoffmann-Wieker
- *These authors share first authorship.,Department of Vascular and Endovascular Surgery, Heidelberg University Hospital,*Klinik für Gefäßchirurgie und Endovaskuläre Chirurgie Universitätsklinikum Heidelberg Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Ulrich Ronellenfitsch
- *These authors share first authorship.,Department of Visceral, Vascular and Endocrine Surgery, University Medical Center, Martin-Luther-University Halle-Wittenberg (Saale)
| | - Artur Rebelo
- Department of Visceral, Vascular and Endocrine Surgery, University Medical Center, Martin-Luther-University Halle-Wittenberg (Saale)
| | - Nadine Görg
- Department of Vascular and Endovascular Surgery, Heidelberg University Hospital
| | - Guido Schwarzer
- Institute of Medical Biometry and Statistics, Faculty of Medicine and Medical Center, Albert-Ludwigs-University of Freiburg
| | - Enzo Ballotta
- Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, School of Medicine, Padova, Italy
| | - Yann Gouëffic
- Department of Vascular Surgery, University Hospital of Nantes, France
| | - Dittmar Böckler
- Department of Vascular and Endovascular Surgery, Heidelberg University Hospital
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Liao SH, Chiu CS, Jang LH, Hu SY, How CK, Hsieh VCR, Hsieh MS. Long-Term Exposures to Air Pollutants and Risk of Peripheral Arterial Occlusive Disease: A Nationwide Cohort Study in Taiwan. Front Cardiovasc Med 2022; 9:796423. [PMID: 35669470 PMCID: PMC9163433 DOI: 10.3389/fcvm.2022.796423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 04/15/2022] [Indexed: 11/25/2022] Open
Abstract
Air pollution is one of the most alarming environmental issues which causes multiple health hazards. An association between air pollution and cardiovascular diseases has been established through many prior studies. In this study, we aimed to evaluate the risk of long-term exposure to air pollution (PM2.5, CO, and NO2) and its association with the risk of developing peripheral arterial occlusive disease (PAOD). PAOD is a condition involving impairment of perfusion of blood in the distal parts of the aorta due to narrowing of the arteries (arterial stenosis) and has been reported as a risk factor for developing cardiovascular diseases. Furthermore, the risk of PAOD increases with age, and hence is a serious public health issue and a cause for concern, especially for an aging society such as Taiwan. Two national-scale databases from Taiwan, the national health insurance database (NHIRD) and the Taiwan air quality-monitoring database (TAQMD), were linked to conduct this cohort study between 2003 and 2013. Cox proportional hazards regression with time-dependent modeling was used to evaluate the hazard ratio (HR) for PAOD with respect to daily exposure to air pollutants. The concentrations of each of the pollutants of interest (PM2.5, NO2, and CO) were categorized into four categories according to the daily average concentration of air pollutants for every quarter of the year, Q1 to Q4 (Q4 = highest). The cumulative incidence of PAOD was examined by Kaplan–Meier analysis with two-tailed log-rank test. A total of 1,598 PAOD cases were identified during the 10-year follow-up period, along with 98,540 non-PAOD controls. In the multivariate analysis, after adjusting for age, gender, urbanization level, residential area, baseline comorbidities, and medications, the adjusted HRs were PM2.5 = 1.14 (95% CI 1.13–1.16), NO2 = 1.03 (95% CI 1.02–1.04), and CO = 2.35 (95% CI 1.95–2.84). Kaplan–Meier analysis showed that CO (P < 0.0001) and PM2.5 (P < 0.0001) concentrations were strongly and positively associated with the cumulative incidence of PAOD during the follow-up period. Findings from this study established that prolonged exposure to air pollutants CO and PM2.5 are significant factors that, among other well-known causes, may also play a potential role in PAOD pathogenesis.
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Affiliation(s)
- Shu-Hui Liao
- Department of Pathology and Laboratory, Taipei Veterans General Hospital, Taoyuan Branch, Taoyuan, Taiwan
| | - Chien-Shan Chiu
- Department of Dermatology, Taichung Veterans General Hospital, Taichung, Taiwan
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Li-Ho Jang
- Department of Critical Care, Saint Paul's Hospital, Taoyuan, Taiwan
| | - Sung-Yuan Hu
- Department of Emergency Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chorng-Kuang How
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Emergency Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Vivian Chia-Rong Hsieh
- Department of Health Services Administration, China Medical University, Taichung, Taiwan
| | - Ming-Shun Hsieh
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Emergency Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Emergency Medicine, Taipei Veterans General Hospital, Taoyuan Branch, Taoyuan, Taiwan
- *Correspondence: Ming-Shun Hsieh
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Ruemenapf G, Morbach S, Sigl M. Therapeutic Alternatives in Diabetic Foot Patients without an Option for Revascularization: A Narrative Review. J Clin Med 2022; 11:jcm11082155. [PMID: 35456247 PMCID: PMC9032488 DOI: 10.3390/jcm11082155] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/05/2022] [Accepted: 04/08/2022] [Indexed: 12/30/2022] Open
Abstract
Background: The healing of foot wounds in patients with diabetes mellitus is frequently complicated by critical limb threatening ischemia (neuro-ischemic diabetic foot syndrome, DFS). In this situation, imminent arterial revascularization is imperative in order to avoid amputation. However, in many patients this is no longer possible (“too late”, “too sick”, “no technical option”). Besides conservative treatment or major amputation, many alternative methods supposed to decrease pain, promote wound healing, and avoid amputations are employed. We performed a narrative review in order to stress their efficiency and evidence. Methods: The literature research for the 2014 revision of the German evidenced-based S3-PAD-guidelines was extended to 2020. Results: If revascularization is impossible, there is not enough evidence for gene- and stem-cell therapy, hyperbaric oxygen, sympathectomy, spinal cord stimulation, prostanoids etc. to be able to recommend them. Risk factor management is recommended for all CLTI patients. With appropriate wound care and strict offloading, conservative treatment may be an effective alternative. Timely amputation can accelerate mobilization and improve the quality of life. Conclusions: Alternative treatments said to decrease the amputation rate by improving arterial perfusion and wound healing in case revascularization is impossible and lack both efficiency and evidence. Conservative therapy can yield acceptable results, but early amputation may be a beneficial alternative. Patients unfit for revascularization or major amputation should receive palliative wound care and pain therapy. New treatment strategies for no-option CLTI are urgently needed.
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Affiliation(s)
- Gerhard Ruemenapf
- Vascular Center Oberrhein Speyer-Mannheim, Department of Vascular Surgery, Diakonissen-Stiftungs-Krankenhaus, 67346 Speyer, Germany
- Correspondence: ; Tel.: +49-6232-22-1955; Fax: +49-6232-22-1994
| | - Stephan Morbach
- Department of Diabetology und Angiology, Marienkrankenhaus, 59494 Soest, Germany;
| | - Martin Sigl
- Department of Cardiology, Angiology, Haemostaseology and Medical Intensive Care, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University, European Center for AngioScience (ECAS) and German Center for Cardiovascular Research (DZHK) Partner Site, 68199 Mannheim, Germany;
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12
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Hu PJ, Chen CH, Wong CS, Chen TT, Wu MY, Sung LC. Influenza vaccination reduces incidence of peripheral arterial occlusive disease in elderly patients with chronic kidney disease. Sci Rep 2021; 11:4847. [PMID: 33649465 PMCID: PMC7921588 DOI: 10.1038/s41598-021-84285-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 02/15/2021] [Indexed: 11/09/2022] Open
Abstract
An influenza vaccination might reduce the risk of incident peripheral arterial occlusive disease (PAOD) in patients with chronic kidney disease (CKD), but supporting evidence is limited. This case-crossover study analyzed data from Taiwan's real-world National Health Insurance Research Database. This study included elderly (≥ 67 years old) patients with CKD having incident PAOD from January 1, 2006, to June 30, 2015. We defined 1 year before PAOD onset as the index date for the self-control group. A conditional logistic regression model was used to investigate exposure to an influenza vaccination for estimating the risk for incident PAOD following vaccination. In total, this study included 46,782 elderly patients with CKD having incident PAOD. The odds ratios for incident PAOD were 0.85 (95% confidence interval 0.77-0.94), 0.85 (0.79-0.92), 0.84 (0.79-0.90), and 0.85 (0.81-0.90) at 1, 2, 3, and 4 months after an influenza vaccination, respectively. We observed consistent results for the subgroups of patients with CKD and concomitant diabetes. However, we did not observe any beneficial effects of influenza vaccination in patients with advanced CKD or end-stage renal disease. This study demonstrated that influenza vaccination may be associated with a reduced risk of incident PAOD among patients with early-stage CKD.
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Affiliation(s)
- Ping-Jen Hu
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Taitung Mackay Memorial Hospital, Taitung, Taiwan.,Division of Gastroenterology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.,Master Program in Biomedicine, College of Science and Engineering, National Taitung University, Taitung, Taiwan
| | - Chia-Hsien Chen
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, New Taipei, Taiwan.,Department of Orthopedic Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Chung-Shun Wong
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Emergency Department, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.,Department of Emergency, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Tzu-Ting Chen
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan.,Center for Neuropsychiatric Research, National Health Research Institutes, Miaoli, Taiwan
| | - Mei-Yi Wu
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan.,Department of Primary Care Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.,Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.,TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei, Taiwan
| | - Li-Chin Sung
- Department of Primary Care Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan. .,Division of Cardiology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. .,Division of Cardiology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan. .,Taipei Heart Institute, Taipei Medical University, Taipei, Taiwan.
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13
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Jakobi T, Meyborg M, Freisinger E, Gebauer K, Stella J, Engelbertz C, Reinecke H, Malyar NM. Feasibility and impact of carbon dioxide angiography on acute kidney injury following endovascular interventions in patients with peripheral artery disease and renal impairment. J Nephrol 2021; 34:811-820. [PMID: 33555574 DOI: 10.1007/s40620-020-00909-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 11/10/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Post-contrast acute kidney injury (AKI) is a dreaded complication of endovascular revascularization using iodinated contrast medium in patients with peripheral artery disease and concomitant chronic kidney disease (CKD). This study sought to evaluate the incidence of AKI in patients with peripheral artery disease and CKD undergoing endovascular revascularization and using carbon dioxide (CO2) as contrast medium. METHODS AND RESULTS From 04/2015 to 07/2018, all consecutive peripheral artery disease patients with CKD stage ≥ 3 referred for endovascular revascularization of symptomatic peripheral artery disease were prospectively included. During endovascular revascularization, CO2 as contrast medium was manually injected and iodinated contrast medium was additionally used when needed. The reference group consisted of 211 cardiovascular risk factor-matched patients undergoing endovascular revascularization with iodinated contrast medium only. CO2-guided endovascular revascularization was performed in 102 patients, thereof 16 (15.7%) patients exclusively with CO2. Baseline CKD stage ≥ 4 and iodinated contrast medium volume > 50 ml were disproportionally associated with post-procedural post-contrast AKI. At CKD stage 4 the odds ratio for post-contrast AKI was 13.2 (95% CI 1.489-117.004; p = 0.02) for iodinated contrast medium volume 51-100 ml and 37.7 (95% CI 3.927-362.234; p = 0.002) for iodinated contrast medium volume > 100 ml. The corresponding values at CKD stage 5 were 23.7 (95% CI 2.666-210.583; p = 0.005) and 28.3 (95% CI 3.289-243.252; p = 0.002), respectively. Radiation (dose area product) was significantly higher in the CO2-endovascular revascularization group (6.025 ± 6.926 cGy*cm2 vs. 4.281 ± 4.722 cGy*cm2, p = 0.009). CONCLUSION CO2 is an applicable and safe alternative to iodinated contrast medium for endovascular revascularization in peripheral artery disease patients with concomitant CKD. Patients with CKD stage 4 or 5, being at highest risk for post-contrast AKI, should primarily be treated by CO2-guided endovascular revascularization.
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Affiliation(s)
- Tim Jakobi
- Department of Cardiology I, Coronary and Peripheral Vascular Disease, Heart Failure, University Hospital Muenster, Cardiol, Münster, Germany
| | - Matthias Meyborg
- Department of Cardiology I, Coronary and Peripheral Vascular Disease, Heart Failure, University Hospital Muenster, Cardiol, Münster, Germany
| | - Eva Freisinger
- Department of Cardiology I, Coronary and Peripheral Vascular Disease, Heart Failure, University Hospital Muenster, Cardiol, Münster, Germany
| | - Katrin Gebauer
- Department of Cardiology I, Coronary and Peripheral Vascular Disease, Heart Failure, University Hospital Muenster, Cardiol, Münster, Germany
| | - Jacqueline Stella
- Department of Cardiology I, Coronary and Peripheral Vascular Disease, Heart Failure, University Hospital Muenster, Cardiol, Münster, Germany
| | - Christiane Engelbertz
- Department of Cardiology I, Coronary and Peripheral Vascular Disease, Heart Failure, University Hospital Muenster, Cardiol, Münster, Germany
| | - Holger Reinecke
- Department of Cardiology I, Coronary and Peripheral Vascular Disease, Heart Failure, University Hospital Muenster, Cardiol, Münster, Germany
| | - Nasser M Malyar
- Department of Cardiology I, Coronary and Peripheral Vascular Disease, Heart Failure, University Hospital Muenster, Cardiol, Münster, Germany.
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14
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Rümenapf G, Morbach S, Rother U, Uhl C, Görtz H, Böckler D, Behrendt CA, Hochlenert D, Engels G, Hohneck A, Sigl M. [Diabetic foot syndrome-Part 2 : Revascularization, treatment alternatives, care structures, recurrency prophylaxis]. Chirurg 2021; 92:173-186. [PMID: 33237367 PMCID: PMC7875854 DOI: 10.1007/s00104-020-01313-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Diabetic foot syndrome (DFS) is the most frequent reason for major amputations in Germany. The majority of foot lesions are triggered by repetitive pressure in diabetic polyneuropathy. Peripheral arterial occlusive disease (PAOD) impairs wound healing and is the main risk factor for amputations. The treatment of wounds and infections as well as timely revascularization are decisive. The use of endovascular and vascular surgical methods depends on the distribution pattern and length of the occlusion processes. Both procedures are complementary. Bypass surgery is of great importance for neuroischemic DFS. Multidisciplinary centers that provide revascularization in DFS can achieve an improvement of arterial blood flow in 90% of the cases and reduce the amputation rate by up to 80%. Due to the high recurrence rate of diabetic foot lesions, measures for secondary prophylaxis are of exceptional importance (podological and orthopedic technical care, foot surgery).
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Affiliation(s)
- G Rümenapf
- Oberrheinisches Gefäßzentrum Speyer, Diakonissen-Stiftungs-Krankenhaus Speyer, Paul-Egell-Straße 33, 67346, Speyer, Deutschland.
| | - S Morbach
- Abteilung Diabetologie und Angiologie, Fachbereich , Innere Medizin, Marienkrankenhaus gGmbH Soest, Soest, Deutschland
| | - U Rother
- Gefäßchirurgische Abteilung, Universitätsklinikum Erlangen, Erlangen, Deutschland
| | - C Uhl
- Klinik für Gefäßchirurgie und Endovaskuläre Chirurgie, Universitätsklinikum Heidelberg, Heidelberg, Deutschland
| | - H Görtz
- Klinik für Gefäßchirurgie, Bonifatius Hospital Lingen, Lingen, Deutschland
| | - D Böckler
- Klinik für Gefäßchirurgie und Endovaskuläre Chirurgie, Universitätsklinikum Heidelberg, Heidelberg, Deutschland
| | - C A Behrendt
- Klinik und Poliklinik für Gefäßmedizin, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
| | - D Hochlenert
- Centrum für Diabetologie, Endoskopie und Wundheilung Köln, Köln, Deutschland
| | - G Engels
- Chirurgische Praxis am Bayenthalgürtel, Köln, Deutschland
| | - A Hohneck
- Abteilung für Angiologie, 1. Medizinische Klinik, Universitätsklinik Mannheim, Mannheim, Deutschland
| | - M Sigl
- Abteilung für Angiologie, 1. Medizinische Klinik, Universitätsklinik Mannheim, Mannheim, Deutschland
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15
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Jakubiak GK, Pawlas N, Cieślar G, Stanek A. Chronic Lower Extremity Ischemia and Its Association with the Frailty Syndrome in Patients with Diabetes. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17249339. [PMID: 33327401 PMCID: PMC7764849 DOI: 10.3390/ijerph17249339] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 12/10/2020] [Accepted: 12/12/2020] [Indexed: 12/14/2022]
Abstract
Diabetes mellitus is an important risk factor for the development of cardiovascular diseases. Peripheral arterial disease affecting lower limb arteries is one of the clinical manifestations of atherosclerosis. The frailty syndrome (Frailty) is a problem associated with diminution of physiological reserves. The ankle-brachial index is a commonly used tool for diagnosing peripheral arterial disease (PAD). The usefulness of the ankle-brachial index (ABI) is limited in people with diabetes because of calcification of the middle layer of arteries. In this population, toe-brachial index should be measured. Frailty may be associated with worse prognosis for patients undergoing revascularization. Amputation may be an important factor leading to the development of Frailty. The risk of amputation and the prognosis after revascularization may be modified by some medications and blood glucose levels. The purpose of this paper is to review the literature about the association between PAD, especially in patients living with diabetes and Frailty.
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Affiliation(s)
- Grzegorz K. Jakubiak
- Department and Clinic of Internal Medicine, Angiology and Physical Medicine, Specialistic Hospital No. 2 in Bytom, 41-902 Bytom, Poland;
- Department of Pharmacology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-800 Zabrze, Poland;
| | - Natalia Pawlas
- Department of Pharmacology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-800 Zabrze, Poland;
| | - Grzegorz Cieślar
- Department and Clinic of Internal Medicine, Angiology and Physical Medicine, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-902 Bytom, Poland;
| | - Agata Stanek
- Department and Clinic of Internal Medicine, Angiology and Physical Medicine, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 41-902 Bytom, Poland;
- Correspondence:
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16
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Schlitt A, Dörr G, Schwaab B. Cardiovascular Rehabilitation Overlooked. DEUTSCHES ARZTEBLATT INTERNATIONAL 2020; 117:676. [PMID: 33357354 PMCID: PMC7838374 DOI: 10.3238/arztebl.2020.0676b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Affiliation(s)
- Axel Schlitt
- *Abteilung 1, Paracelsus-Harz-Klinik Bad Suderode, Quedlinburg, Germany
| | - Gesine Dörr
- *Klinik für Innere Medizin Alexianer St. Josef Potsdam GmbH, Potsdam, Germany
| | - Bernhard Schwaab
- ***Prof. Schwaab ist Präsident der Deutschen Gesellschaft für Prävention und Rehabilitation von Herz-Kreislauferkrankungen e. V. (DGPR) Curschmann Klinik, Timmendorfer Strand, Germany
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17
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Rümenapf G, Morbach S, Schmidt A, Sigl M. In Reply. DEUTSCHES ARZTEBLATT INTERNATIONAL 2020; 117:677-678. [PMID: 33357357 PMCID: PMC7838378 DOI: 10.3238/arztebl.2020.0677c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Affiliation(s)
- Gerhard Rümenapf
- *Gefäßzentrum Oberrhein Speyer-Mannheim, Klinik für Gefäßchirurgie, Diakonissen-Stiftungs-Krankenhaus, Speyer, Germany
| | - Stephan Morbach
- **Abteilung für Diabetologie und Angiologie, Marienkrankenhaus, Soest, Germany
| | - Andrej Schmidt
- ***Klinik und Poliklinik für Angiologie, Universitätsklinikum Leipzig, Germany
| | - Martin Sigl
- ****Abteilung für Angiologie, 1. Medizinische Klinik, Universitätsklinikum Mannheim, Germany
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18
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Rümenapf G, Morbach S, Schmidt A, Sigl M. Intermittent Claudication and Asymptomatic Peripheral Arterial Disease. DEUTSCHES ARZTEBLATT INTERNATIONAL 2020; 117:188-193. [PMID: 32327031 DOI: 10.3238/arztebl.2020.0188] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 09/10/2019] [Accepted: 12/20/2019] [Indexed: 12/19/2022]
Abstract
BACKGROUND The conservative treatment of peripheral arterial disease (PAD), as recommended in current guidelines, encompasses measures such as lifestyle modification and risk-factor management. In addition, in patients with vasogenic intermittent claudication (IC), it is recommended that patients first be given drugs to improve perfusion and undergo supervised gait training. Revascularization is not recommended for asymptomatic persons, but it is considered mandatory for patients with critical ischemia. In this article on conservative and revascularizing treatment strategies for IC, we address the following questions: whether all treatment options are available, how effective they are, and whether the reality of treatment for IC in Germany corresponds to what is recommended in the guidelines. METHODS In 2014, the German Society for Angiology carried out a comprehensive literature search in order to prepare a new version of the S3 guideline on PAD. This literature search was updated up to 2018, with identical methods, for the present review. RESULTS The benefit of lifestyle modification and risk factor treatment is supported by high-level evidence ( evidence level I, recommendation grade A ). The distance patients are able to walk without pain is increased by drug therapy as well (evidence level IIb), but the therapeutic effect is only moderate. Supervised exercise training (SET), though supported by high-level evidence (I, A), is of limited efficacy, availability, and applicability, and patient compliance with it is also limited. In patients with IC, revascularization leads to complete relief of symptoms more rapidly than gait training, and its long-term benefit is steadily improving owing to advances in medical technology. A combination of arterial revascularization and gait training yields the best results. In a clinical trial, patients with IC who underwent combined therapy increased the distance they could walk without pain by 954 m in six months, compared to 407 m in a group that underwent gait training alone. CONCLUSION In the treatment of vasogenic IC, SET and drugs to increase perfusion are now giving way to revascularization, which is more effective. As far as can be determined, SET is not currently implemented at all in the German health care system. It would be desirable for SET to be more available and more widely used, both to sustain the benefit of revascularization over the long term and to lower the general cardiovascular risk.
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Affiliation(s)
- Gerhard Rümenapf
- Department of Angiology, Center of Vascular Medicine "Oberrhein" Speyer, Diakonissen-Stiftungs-Krankenhaus, Speyer; Department of Diabetology and Angiology, Marienkrankenhaus, Soest; Department of Angiology, University Hospital Leipzig; Department of Angiology, Department of Medicine 1, University Hospital Mannheim
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Rezvani F, Heider D, Härter M, König HH, Bienert F, Brinkmann J, Herbarth L, Kramer E, Steinisch P, Freudenstein F, Terhalle R, Grosse Y, Bock S, Posselt J, Beutel C, Reif F, Kirchhoff F, Neuschwander C, Löffler F, Brunner L, Dickmeis P, Heidenthal T, Schmitz L, Chase DP, Seelenmeyer C, Alscher MD, Tegtbur U, Dirmaier J. Telephone health coaching with exercise monitoring using wearable activity trackers (TeGeCoach) for improving walking impairment in peripheral artery disease: study protocol for a randomised controlled trial and economic evaluation. BMJ Open 2020; 10:e032146. [PMID: 32503866 PMCID: PMC7279623 DOI: 10.1136/bmjopen-2019-032146] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
INTRODUCTION Peripheral artery disease (PAD) is the third most prevalent cardiovascular disease worldwide, with smoking and diabetes being the strongest risk factors. The most prominent symptom is leg pain while walking, known as intermittent claudication. To improve mobility, first-line treatment for intermittent claudication is supervised exercise programmes, but these remain largely unavailable and economically impractical, which has led to the development of structured home-based exercise programmes. This trial aims to determine the effectiveness and cost advantage of TeGeCoach, a 12-month long home-based exercise programme, compared with usual care of PAD. It is hypothesised that TeGeCoach improves walking impairment and lowers the need of health care resources that are spent on patients with PAD. METHODS AND ANALYSIS The investigators conduct a prospective, pragmatic randomised controlled clinical trial in a health insurance setting. 1760 patients diagnosed with PAD at Fontaine stage II are randomly assigned to either TeGeCoach or care-as-usual. TeGeCoach consists of telemonitored intermittent walking exercise with medical supervision by a physician and telephone health coaching. Participants allocated to the usual care group receive information leaflets and can access supervised exercise programmes, physical therapy and a variety of programmes for promoting a healthy lifestyle. The primary outcome is patient reported walking ability based on the Walking Impairment Questionnaire. Secondary outcome measures include quality of life, health literacy and health behaviour. Claims data are used to collect total health care costs, healthcare resource use and (severe) adverse events. Outcomes are measured at baseline, 12 and 24 months. ETHICS AND DISSEMINATION Ethical approval has been obtained from the Medical Association Hamburg. Findings are disseminated through peer-reviewed journals, reports to the funding body, conference presentations and media press releases. Data from this trial are made available to the public and researchers upon reasonable request.NCT03496948 (www.clinicaltrials.gov), Pre-results.
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Affiliation(s)
- Farhad Rezvani
- Department of Medical Psychology, University Medical Center Hamburg-Eppendorf, Hamburg, Hamburg, Germany
| | - Dirk Heider
- Department of Health Economics and Health Services Research, University Medical Center Hamburg-Eppendorf, Hamburg, Hamburg, Germany
| | - Martin Härter
- Department of Medical Psychology, University Medical Center Hamburg-Eppendorf, Hamburg, Hamburg, Germany
| | - Hans-Helmut König
- Department of Health Economics and Health Services Research, University Medical Center Hamburg-Eppendorf, Hamburg, Hamburg, Germany
| | - Frank Bienert
- Kaufmännische Krankenkasse, Hannover, Niedersachsen, Germany
| | - Julia Brinkmann
- Kaufmännische Krankenkasse, Hannover, Niedersachsen, Germany
| | - Lutz Herbarth
- Kaufmännische Krankenkasse, Hannover, Niedersachsen, Germany
| | - Edith Kramer
- Kaufmännische Krankenkasse, Hannover, Niedersachsen, Germany
| | | | | | - René Terhalle
- Kaufmännische Krankenkasse, Hannover, Niedersachsen, Germany
| | - Yvonne Grosse
- Kaufmännische Krankenkasse, Hannover, Niedersachsen, Germany
| | - Susanne Bock
- Kaufmännische Krankenkasse, Hannover, Niedersachsen, Germany
| | | | - Corinna Beutel
- Kaufmännische Krankenkasse, Hannover, Niedersachsen, Germany
| | - Franziska Reif
- Kaufmännische Krankenkasse, Hannover, Niedersachsen, Germany
| | | | | | | | | | | | | | | | | | - Claudia Seelenmeyer
- Dr Margarete Fischer Bosch Institute of Clinical Pharmacology, Stuttgart, Baden-Württemberg, Germany
| | - Mark Dominik Alscher
- Dr Margarete Fischer Bosch Institute of Clinical Pharmacology, Stuttgart, Baden-Württemberg, Germany
| | - Uwe Tegtbur
- Department of Sports Medicine, Hannover Medical School, Hannover, Niedersachsen, Germany
| | - Jörg Dirmaier
- Department of Medical Psychology, University Medical Center Hamburg-Eppendorf, Hamburg, Hamburg, Germany
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20
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Hu M, Wang D, He T. Comparison of efficacy between trimetazidine and cilostazol in the treatment of arteriosclerosis obliterans in lower extremity. Exp Ther Med 2019; 17:4427-4434. [PMID: 31086577 PMCID: PMC6488977 DOI: 10.3892/etm.2019.7472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 03/19/2019] [Indexed: 11/06/2022] Open
Abstract
This study compared the efficacy and long-term survival rate of trimetazidine and cilostazol in the treatment of lower extremity arteriosclerosis obliterans (ASO). A retrospectively analysis on the medical records of 206 patients with ASO who were admitted to The Central Hospital of Wuhan from January 2011 to May 2013 was performed, including 94 patients treated with trimetazidine (group A) and 112 patients treated with cilostazol (group B). On the basis of the same basic treatment, both groups were applied with these two drugs after two courses of treatments. Then the efficacy of clinical treatment, dorsal artery blood flow, anterior femoral artery, posterior tibial artery blood flow, brachial artery index, toe-brachial index, painless walking distance, maximum walking distance, adverse reactions, 5-year survival rates were compared. The total effective rate of clinical efficacy in group B was higher than group A (P<0.05). After the first course of treatment, the above indicators increased in both groups (P<0.05). After the end of the second course of treatment, the above-mentioned index values in both groups were significantly increased (P<0.05). The improvement of the above indicators in group B were better than the trimetazidine group in both the first and second treatment courses (P<0.05). In group A, there were 15 cases of patients with lethargy and hypodynamia and 9 cases of dizziness and headache. There were significant differences between the 7th and 3rd cases of patients when compared to group B (P<0.05). The 5-year survival rate of group A was lower than group B (P<0.05). The clinical efficacy of cliostazol in the treatment of ASO had a good effect, and there was only a few adverse reactions and the long-term survival rate was high. It is worthy of being promoted in clinical practice.
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Affiliation(s)
- Min Hu
- Department of Vascular Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430014, P.R. China
| | - Dile Wang
- Department of Vascular Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430014, P.R. China
| | - Tao He
- Department of Vascular Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430014, P.R. China
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21
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Abouhamda A, Alturkstani M, Jan Y. Lower sensitivity of ankle-brachial index measurements among people suffering with diabetes-associated vascular disorders: A systematic review. SAGE Open Med 2019; 7:2050312119835038. [PMID: 30854203 PMCID: PMC6399753 DOI: 10.1177/2050312119835038] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 02/11/2019] [Indexed: 02/06/2023] Open
Abstract
Diabetes mellitus is a systemic disease affecting microvascular and macrovascular systems and is considered as the strongest risk factor for peripheral arterial disease. Although the prevalence of the peripheral arterial disease is high among people living with diabetes, its severity is not accurately detected with the prevalent diagnostic methodologies. The ankle-brachial index measurement is a simple, objective, and reliable tool for diagnosis of peripheral arterial disease. However, it is of limited value in the diagnosis of peripheral arterial disease among diabetic patients due to its low sensitivity among diabetic individuals. Diabetes mellitus results in atherosclerosis and calcification of peripheral arterial walls leading to false normal ankle-brachial index values. Therefore, healthcare practitioners should be careful not to misinterpret ankle-brachial index results among diabetic patients. A literature search was conducted using the keywords “ankle-brachial index,” “interpretation,” “limitations,” “diabetic foot,” and “peripheral arterial disease” on different medical search engines. The results were manually scanned and then further reviewed to select the articles related to our topic of discussion. This article will review the use of ankle-brachial index measurement among diabetic patients, its limitations and its prognostic value. In Conclusion, Ankle-brachial index can be used for diagnosis of peripheral arterial disease with some precautions (e.g. raising the threshold of diagnosis or using the lowest systolic pressure value measured at the ankle) and can also be a prognostic indicator for cardiovascular morbidity and mortality.
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Affiliation(s)
- Ayman Abouhamda
- King Fahad Hospital, Jeddah, Saudi Arabia
- Ayman Abouhamda, King Fahad Hospital, 8142 Ibn Abi Al Izz, Jeddah 23434 - 4714, Saudi Arabia.
| | | | - Yousef Jan
- Ministry of Health, Jeddah, Saudi Arabia
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Chen Q, Li L, Chen Q, Lin X, Li Y, Huang K, Yao C. Critical appraisal of international guidelines for the screening and treatment of asymptomatic peripheral artery disease: a systematic review. BMC Cardiovasc Disord 2019; 19:17. [PMID: 30646843 PMCID: PMC6332557 DOI: 10.1186/s12872-018-0960-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 11/20/2018] [Indexed: 12/24/2022] Open
Abstract
Background Peripheral artery disease (PAD) is often asymptomatic but increases the risk of developing cardiovascular events. Due to the uncertainties regarding the quality of related guidelines and a lack of clear-cut evidence, we performed a systematic review and critical appraisal of these guidelines to evaluate their consistency of the recommendations in asymptomatic PAD population. Methods Guidelines in English between January 1st, 2000 to December 31th, 2017 were screened in databases including Medline via PubMed, EMBASE, the G-I-N International Guideline Library, the National Guidelines Clearinghouse, the Canadian Medication Association Infobase and the National Library for Health. Those guidelines containing recommendations on screening and treatment for asymptomatic PAD were included, and three reviewers evaluated the quality of the guidelines using Appraisal of Guidelines Research and Evaluation (AGREE) II instrument. Related recommendations were then fully extracted and compared by two reviewers. Results Fourteen guidelines were included finally and the AGREE scores ranged from 39 to 73%. Most of included guidelines scored low in Rigor of development and Editorial independence, and only two guidelines (ACCF/AHA, AHA/ACC) reached the standard on Conflict of Interest from Institute of Medicine (IOM). Eight guidelines recommended screening at different strength while the others found insufficient evidence or were against screening. Conflicting recommendations on treatment were found in the target value of the lipid lowering and antiplatelet therapy. The treatment policies in three guidelines (BWG, CEVF, ESC) appeared more aggressive, but they had low transparency between guideline developer and industry or did not reach the standard of IOM. Conclusions Current guidelines on asymptomatic PAD varied in the methodological quality and fell short of the standard in the rigor of development and editorial independence. Conflicting recommendations were found both on the screening and treatment. More effort is needed to provide clear-cut evidences with high quality and transparency among guideline developer and industry. Electronic supplementary material The online version of this article (10.1186/s12872-018-0960-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Qinchang Chen
- Department of Vascular Surgery, the First Affiliated Hospital, Sun Yat-sen University, No.58 Zhongshan Road 2, Guangzhou, China
| | - Lingling Li
- Department of Vascular Surgery, the First Affiliated Hospital, Sun Yat-sen University, No.58 Zhongshan Road 2, Guangzhou, China
| | - Qingui Chen
- Medical Intensive Care Unit, the First Affiliated Hospital, Sun Yat-sen University, No.58 Zhongshan Road 2, Guangzhou, China
| | - Xixia Lin
- Department of Vascular Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, No.33, Yingfeng Road, Guangzhou, China
| | - Yonghui Li
- Department of Vascular Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, No.33, Yingfeng Road, Guangzhou, China
| | - Kai Huang
- Department of Vascular Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, No.33, Yingfeng Road, Guangzhou, China.
| | - Chen Yao
- Department of Vascular Surgery, the First Affiliated Hospital, Sun Yat-sen University, No.58 Zhongshan Road 2, Guangzhou, China.
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Spoden M, Nimptsch U, Mansky T. Amputation rates of the lower limb by amputation level - observational study using German national hospital discharge data from 2005 to 2015. BMC Health Serv Res 2019; 19:8. [PMID: 30612550 PMCID: PMC6322244 DOI: 10.1186/s12913-018-3759-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 11/23/2018] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND In international comparisons, rates of amputations of the lower limb are relatively high in Germany. This study aims to analyze trends in lower limb amputations over time, as well as outcomes of care concerning in-hospital mortality and reamputation rates during the same hospital stay which might indicate the quality of surgical and perioperative health care processes. METHODS This work is an observational population-based study using complete national hospital discharge data (Diagnosis-Related Group Statistics (DRG Statistics)) from 2005 to 2015. All inpatient cases with lower limb amputation were identified and stratified by eight amputation levels. Time trends of case numbers and in-hospital mortality were studied age-sex standardized. For inpatient cases with reamputation during the same hospital stay, first and last amputation levels were cross tabulated. RESULTS A total of 55,595 amputations of the lower limb in 2015 (52,096 in 2005) were identified. After age-sex standardization to the demographic structure of 2005, a relative decrease of - 11.1% was revealed (men - 2.6%, women - 25.0%). The stratified analysis by amputation levels showed that the decreases were induced by higher amputation levels, whereas the amputation levels of toe/foot ray after standardization still showed a relative increase of + 12.8%. In-hospital mortality of all cases with lower limb amputation fell from 11.2% in 2005 to 7.7% in 2015 (SMR 0.89 [95% CI 0.86; 0.92]). The percentage of reamputations during the same hospital stay declined from 13.2 to 10.2%. CONCLUSIONS The number of lower limb amputations declined in Germany, however distinctly stronger in women than in men. The observed decreases of in-hospital mortality as well as of reamputation rates point to improvements in perioperative health care. Despite these indications of improvements, the distinct increase in case numbers at the level of toe/foot ray calls for additional targeted prevention efforts, especially for patients with diabetes.
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Affiliation(s)
- Melissa Spoden
- Department of Structural Advancement and Quality Management in Health Care, Technische Universität Berlin, Berlin, Germany
- Department of Health Care Management, Technische Universität Berlin, H80, Strasse des 17. Juni 135, 10623 Berlin, Germany
| | - Ulrike Nimptsch
- Department of Structural Advancement and Quality Management in Health Care, Technische Universität Berlin, Berlin, Germany
- Department of Health Care Management, Technische Universität Berlin, H80, Strasse des 17. Juni 135, 10623 Berlin, Germany
| | - Thomas Mansky
- Department of Structural Advancement and Quality Management in Health Care, Technische Universität Berlin, Berlin, Germany
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Standardised pre-operative diagnostics and treatment of peripheral arterial disease reduce wound complications in geriatric ankle fractures. INTERNATIONAL ORTHOPAEDICS 2017; 42:395-400. [PMID: 29243059 DOI: 10.1007/s00264-017-3705-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 11/21/2017] [Indexed: 10/18/2022]
Abstract
PURPOSE The aim of this study was to evaluate a standardised algorithm to assess and treat impaired limb perfusion prior to surgical fixation of geriatric ankle fractures and determine the prevalence of peripheral arterial disease (PAD) in geriatric patients presenting with ankle fractures. METHODS Eighty-four patients >65 years pre-operatively diagnosed and treated according to an algorithm (study group) were compared with 84 patients diagnosed and treated before the algorithm was introduced (control group). RESULTS In 14 patients of the study group, clinical noninvasive examination revealed signs of relevant PAD, which was confirmed with computed tomographic angiography (CTA) in nine patients, all of whom had successful angioplasty prior to surgical fixation of the ankle fracture. In three of these patients, PAD had previously been diagnosed. After standardised diagnostics and treatment of malperfusion, a significantly reduced overall and, particularly, wound complication rate was found. CONCLUSION PAD is an underdiagnosed condition in geriatric patients presenting with ankle fractures. This study underlines the relevance of limb perfusion for adequate wound healing in geriatric ankle fractures. Therefore, special attention should be paid to diagnose and-if indicated-optimise limb perfusion prior to surgical fixation of geriatric ankle fractures.
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Strobl F, Tepe G. Emphasis on Dual Antithrombotic Therapy. DEUTSCHES ARZTEBLATT INTERNATIONAL 2017; 114:213. [PMID: 28407847 PMCID: PMC5397896 DOI: 10.3238/arztebl.2017.0213a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Affiliation(s)
- Frederik Strobl
- *Ludwig-Maximilians-Universität München Institut für Klinische Radiologie
| | - Gunnar Tepe
- **Diagnostische und Interventionelle Radiologie RoMed Klinikum Rosenheim
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P. Meyer F. Prescriptions Are the Remit of the Doctor. DEUTSCHES ARZTEBLATT INTERNATIONAL 2017; 114:213-214. [PMID: 28407848 PMCID: PMC5397897 DOI: 10.3238/arztebl.2017.0213b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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Lawall H, Huppert P, Espinola-Klein C, Rümenapf G. In Reply. DEUTSCHES ARZTEBLATT INTERNATIONAL 2017; 114:214. [PMID: 28407849 PMCID: PMC5397898 DOI: 10.3238/arztebl.2017.0214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Affiliation(s)
- Holger Lawall
- *Praxis für Herzkreislauferkrankungen Ettlingen Max Grundig Klinik Bühlerhöhe
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