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The MIMICS-3D study will evaluate safety, effectiveness and device performance within a real-world clinical population of patients undergoing femoropopliteal intervention.
The MIMICS-3D study is a prospective, multicentre, observational study of the BioMimics 3D Stent System in patients undergoing endovascular intervention to relieve symptomatic peripheral arterial disease of the femoropopliteal artery. The study is designed to enable the collection, analysis and reporting of data from "real-world" use of the BioMimics 3D Stent System used in accordance with the Instructions for Use (IFU) associated with the product's CE Mark approval.
Data collection will include that relating to safety, effectiveness and device performance and the period of observation during which data will be collected will extend from the index procedure through 3 years (36 months), according to the standard follow-up practice of the enrolling institution.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| BioMimics 3D Stent | Device |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Participants Free From Major Adverse Events (MAE) | Primary Safety Endpoint: Number of participants free from a composite of major adverse events (MAE) comprising death, any major amputation performed on the index limb or clinically-driven target lesion revascularization (CDTLR) through 30 days. | 30 days |
| Number of Participants Free From Clinically-driven Target Lesion Revascularization (CDTLR) | Primary Effectiveness Endpoint: Number of participants free from clinically-driven target lesion revascularization (CDTLR) through 12 months. | 12 months |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Participants With a Final Residual Diameter Stenosis ≤30% at the End of the Index Procedure | Acute Technical Success: Number of participants with a final residual diameter stenosis ≤30% within 72 hours of the index procedure. | Within 72 hours of the index procedure. |
| Number of Participants With Acute Technical Success and Absence of the Adverse Events Listed in the Description |
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Inclusion Criteria:
Exclusion Criteria:
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Patients who receive treatment with Veryan's BioMimics 3D Stent System in accordance with the current approved CE Mark indication for use as stated in the Instructions for Use (IFU) will be consecutively enroled in this study.
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| Name | Affiliation | Role |
|---|---|---|
| Michael Lichtenberg, MD | Klinikum Arnsberg | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| OLV Hospital | Aalst | Belgium | ||||
| ZNA Vascular Clinic/ZNA Stuivenburg Hospital |
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| ID | Title | Description |
|---|---|---|
| FG000 | BioMimics 3D Stent | Implantation of BioMimics 3D nitinol stent onto subjects who receive a treatment in accordance with the current approved CE mark indication for use as stated in the IFU. |
| Title | Milestones | Reasons Not Completed | |||||
|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Aug 3, 2016 |
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Acute Procedural Success: Number of participants with acute technical success (achievement of a final stenosis ≤30% at the end of the procedure) and absence of the following adverse events: death, stroke, myocardial infarction, acute onset of limb ischemia, index bypass graft or treated segment thrombosis, and/or need for urgent/emergent vascular surgery, within 72 hours of index procedure. |
| Within 72 hours of index procedure. |
| Percent Probability of Individual Components of MAE | A Kaplan-Meier (KM) analysis of individual components of MAE (death, any major amputation performed on the index limb or CDTLR) through 24 months. | 30 days, 12 Months, and 24 Months. |
| Number of Participants With Adverse Events | Overall rate of all adverse events reported from Day 0 through 24 months. An adverse event (AE) is any untoward medical occurrence, unintended disease or injury, or untoward clinical signs in participants, whether or not related to the investigational device or procedure. For the purpose of this Study all potentially device-related and procedure-related adverse events, major adverse events (death, major amputation on the target limb, clinically-driven target lesion revascularisation), all vascular adverse events in the target limb, and serious adverse events are reported throughout the Study. | 30 day, 12 and 24 months |
| Stent Patency Rate | Per Protocol, patency is defined as the composite of freedom from more than 50% restenosis within the stented segment as observed by Duplex Ultrasound or Angiography within the visit window and freedom from clinically-driven target lesion revascularisation prior to the indicated time point. Stent patency rate assessed by duplex ultrasound (DUS), as available, determined at Months 12 and 24. This will be assessed using values of peak systolic velocity ratio (PSVR) >2.0, >2.4; >2.5; and >3.5. PSVR values of >2.0, >2.4, >2.5 and >3.5 were selected to compare outcomes from similar studies. There are no official definitions or guidelines on these values and which are most accurate for detection of >50% stenosis, so all have been used in the analyses to compare results from other studies. PSVR of >2.4, was looked at further as there are some studies that state this is the most established threshold for the detection of >50% stenosis (Schlager, et al. 2007). | 12 and 24 months. |
| Comparison of Rutherford Clinical Category | Clinical Outcome: Comparison of Rutherford Clinical Category (RCC) measured at Baseline, Day 30, Months 12 and 24. Rutherford Clinical Category is a clinical scale identifying three grades of claudication (RCC 1-3) and three grades of critical limb ischemia (RCC 4-6) ranging from rest pain alone to minor and major tissue loss. Category and clinical description: 0 - Asymptomatic, 1 - Mild claudication 2 - Moderate claudication, 3 - Severe claudication, 4 - Ischemic rest pain, 5 - Minor tissue loss, 6 - Ulceration or gangrene. | Baseline, Day 30, 12 months and 24 months |
| Comparison of Ankle Brachial Index (ABI) Measurement | Functional outcome: Mean and standard deviation of the Ankle Brachial Index at each follow-up visit is reported. The change of Ankle Brachial Index at 30 days, 12 and 24 months compared to Baseline is presented for the total number of patients where data were recorded, and the mean and standard deviation of the change. ABI is the ratio of blood pressure measured at the ankle to blood pressure measured at the arms. It is used to predict the severity of peripheral arterial disease. An ABI of >0.9-1.2 is considered normal, ≤ 0.9 indicates mild to moderate peripheral arterial disease, < 0.4 indicates severe peripheral arterial disease (ischemic pain and ulceration). | Baseline, Day 30, 12-month and 24-month. |
| Number of Participants With Reported Stent Fracture | Site reported number of participants with stent fracture through 24 months. Stent fracture is defined as clear interruption of stent strut observed in a minimum of two projections, determined by examination of X-ray images. Stent Strut Fracture Types: Type 0: No strut fractures. Type I: Single strut fracture only. Type II: Multiple single strut fractures that can occur at different sites. Type III: Multiple strut fractures resulting in complete transection of the stent, without displacement of the stent segments. Type IV: Multiple strut fractures resulting in displacement of segments of the stent. Type V: Spiral strut fracture. | 30 day, 12 and 24 Months. |
| Antwerp |
| Belgium |
| AZ Sint Blasius | Dendermonde | Belgium |
| AZ Maria Middelares | Ghent | Belgium |
| Regionaal Vaartcentrum , AZ Helig Hart Tienen | Tienen | Belgium |
| Karolinen-Hospital | Arnsberg | Germany |
| Universitaets-Herzzentrum Freiburg-Bad Krozingen | Bad Krozingen | Germany |
| KEH Berlin | Berlin | Germany |
| Vivantes Klinikum Friedrichshain | Berlin | Germany |
| Krankenhaus Buchholz | Buchholz | Germany |
| Krankenhaus Dresden-Friedrichstadt, Städtisches Klinikum | Dresden | 01067 | Germany |
| Universitätsklinikum Essen | Essen | Germany |
| CCB im Agaplesion Bethanien Krankenhaus | Frankfurt am Main | 60389 | Germany |
| Asklepios Klinik Harburg | Hamburg | 21075 | Germany |
| UKE (University Hospital Hamburg) | Hamburg | Germany |
| Universitätsklinikum Leipzig AöR | Leipzig | Germany |
| Gefäßpraxis im Tal | Munich | Germany |
| Marienhospital Osnabrück GmbH | Osnabrück | Germany |
| RoMed Klinikum Rosenheim | Rosenheim | 83022 | Germany |
| SRH-Klinikum Zentralklinikum Suhl | Suhl | 98527 | Germany |
| Universitätsklinikum Tübingen | Tübingen | 72016 | Germany |
| Rijnstate Hospital | Arnhem | Netherlands |
| Skane University Hospital | Malmö | Sweden |
| 30 Days Follow-up |
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| 12 Month Follow-up |
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| 24 Month Follow-up |
|
| COMPLETED |
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| NOT COMPLETED |
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| ID | Title | Description |
|---|---|---|
| BG000 | BioMimics 3D Stent | Implantation of BioMimics 3D nitinol stent onto subjects who receive a treatment in accordance with the current approved CE mark indication for use as stated in the IFU. |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean | Standard Deviation | Years |
| ||||||||||||||||||||||
| Sex: Female, Male | Count of Participants | Participants |
| |||||||||||||||||||||||
| Ethnicity (NIH/OMB) | Count of Participants | Participants |
| |||||||||||||||||||||||
| Race (NIH/OMB) | Count of Participants | Participants |
| |||||||||||||||||||||||
| Region of Enrollment | Number | participants |
|
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Number of Participants Free From Major Adverse Events (MAE) | Primary Safety Endpoint: Number of participants free from a composite of major adverse events (MAE) comprising death, any major amputation performed on the index limb or clinically-driven target lesion revascularization (CDTLR) through 30 days. | Participants who came for any follow-up visit (30D, 12M, 24M, 36M) or anyone who experienced a MAE ≤30 days. Twelve (12) participants were ineligible for the primary safety endpoint analysis. | Posted | Count of Participants | Participants | 30 days |
|
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| ||||||||||||||||||||||||||||
| Primary | Number of Participants Free From Clinically-driven Target Lesion Revascularization (CDTLR) | Primary Effectiveness Endpoint: Number of participants free from clinically-driven target lesion revascularization (CDTLR) through 12 months. | Participants who came for a follow-up visit (12M, 24M, 36M) or any participant who experienced CDTLR ≤ 365 days. Sixty-four (64) participants were ineligible for the primary effectiveness endpoint analysis. | Posted | Count of Participants | Participants | 12 months |
|
| |||||||||||||||||||||||||||||
| Secondary | Number of Participants With a Final Residual Diameter Stenosis ≤30% at the End of the Index Procedure | Acute Technical Success: Number of participants with a final residual diameter stenosis ≤30% within 72 hours of the index procedure. | One (1) participant did not have a final diameter stenosis recorded at Index, therefore ineligible for acute technical success analysis. | Posted | Count of Participants | Participants | Within 72 hours of the index procedure. |
|
| |||||||||||||||||||||||||||||
| Secondary | Number of Participants With Acute Technical Success and Absence of the Adverse Events Listed in the Description | Acute Procedural Success: Number of participants with acute technical success (achievement of a final stenosis ≤30% at the end of the procedure) and absence of the following adverse events: death, stroke, myocardial infarction, acute onset of limb ischemia, index bypass graft or treated segment thrombosis, and/or need for urgent/emergent vascular surgery, within 72 hours of index procedure. | All enrolled participants (507) were eligible for acute procedural success analysis. | Posted | Count of Participants | Participants | Within 72 hours of index procedure. |
|
| |||||||||||||||||||||||||||||
| Secondary | Percent Probability of Individual Components of MAE | A Kaplan-Meier (KM) analysis of individual components of MAE (death, any major amputation performed on the index limb or CDTLR) through 24 months. | All enrolled participants (507) were eligible for KM analysis of MAE. | Posted | Number | percentage probability | 30 days, 12 Months, and 24 Months. |
|
| |||||||||||||||||||||||||||||
| Secondary | Number of Participants With Adverse Events | Overall rate of all adverse events reported from Day 0 through 24 months. An adverse event (AE) is any untoward medical occurrence, unintended disease or injury, or untoward clinical signs in participants, whether or not related to the investigational device or procedure. For the purpose of this Study all potentially device-related and procedure-related adverse events, major adverse events (death, major amputation on the target limb, clinically-driven target lesion revascularisation), all vascular adverse events in the target limb, and serious adverse events are reported throughout the Study. | All enrolled participants (507) were eligible for the rate of AE analysis. | Posted | Count of Participants | Participants | 30 day, 12 and 24 months |
|
| |||||||||||||||||||||||||||||
| Secondary | Stent Patency Rate | Per Protocol, patency is defined as the composite of freedom from more than 50% restenosis within the stented segment as observed by Duplex Ultrasound or Angiography within the visit window and freedom from clinically-driven target lesion revascularisation prior to the indicated time point. Stent patency rate assessed by duplex ultrasound (DUS), as available, determined at Months 12 and 24. This will be assessed using values of peak systolic velocity ratio (PSVR) >2.0, >2.4; >2.5; and >3.5. PSVR values of >2.0, >2.4, >2.5 and >3.5 were selected to compare outcomes from similar studies. There are no official definitions or guidelines on these values and which are most accurate for detection of >50% stenosis, so all have been used in the analyses to compare results from other studies. PSVR of >2.4, was looked at further as there are some studies that state this is the most established threshold for the detection of >50% stenosis (Schlager, et al. 2007). | Number of participants who had patency assessed at month 12 was 443. Number of participants who had patency assessed at month 24 was 409. | Posted | Count of Participants | Participants | 12 and 24 months. |
|
| |||||||||||||||||||||||||||||
| Secondary | Comparison of Rutherford Clinical Category | Clinical Outcome: Comparison of Rutherford Clinical Category (RCC) measured at Baseline, Day 30, Months 12 and 24. Rutherford Clinical Category is a clinical scale identifying three grades of claudication (RCC 1-3) and three grades of critical limb ischemia (RCC 4-6) ranging from rest pain alone to minor and major tissue loss. Category and clinical description: 0 - Asymptomatic, 1 - Mild claudication 2 - Moderate claudication, 3 - Severe claudication, 4 - Ischemic rest pain, 5 - Minor tissue loss, 6 - Ulceration or gangrene. | RCC is collected serially over time and is presented at each time point. The measure from each time point is compared to the baseline measure. Three (3) participants did not have a baseline RCC assessed. | Posted | Count of Participants | Participants | Baseline, Day 30, 12 months and 24 months |
|
| |||||||||||||||||||||||||||||
| Secondary | Comparison of Ankle Brachial Index (ABI) Measurement | Functional outcome: Mean and standard deviation of the Ankle Brachial Index at each follow-up visit is reported. The change of Ankle Brachial Index at 30 days, 12 and 24 months compared to Baseline is presented for the total number of patients where data were recorded, and the mean and standard deviation of the change. ABI is the ratio of blood pressure measured at the ankle to blood pressure measured at the arms. It is used to predict the severity of peripheral arterial disease. An ABI of >0.9-1.2 is considered normal, ≤ 0.9 indicates mild to moderate peripheral arterial disease, < 0.4 indicates severe peripheral arterial disease (ischemic pain and ulceration). | Four-hundred and seventeen (417) participants had their ABI measured at Baseline. Three-hundred and eighty-three (383) participants at Day 30. Three hundred and fifty-nine (359) participants at Month 12. Three-hundred and four participants at Month 24. | Posted | Mean | Standard Deviation | ABI | Baseline, Day 30, 12-month and 24-month. |
|
| ||||||||||||||||||||||||||||
| Secondary | Number of Participants With Reported Stent Fracture | Site reported number of participants with stent fracture through 24 months. Stent fracture is defined as clear interruption of stent strut observed in a minimum of two projections, determined by examination of X-ray images. Stent Strut Fracture Types: Type 0: No strut fractures. Type I: Single strut fracture only. Type II: Multiple single strut fractures that can occur at different sites. Type III: Multiple strut fractures resulting in complete transection of the stent, without displacement of the stent segments. Type IV: Multiple strut fractures resulting in displacement of segments of the stent. Type V: Spiral strut fracture. | Four-hundred and eighty-three (483) participants were eligible for this analysis at Day 30; 418 at Month 12; 398 at Month 24. Five (5) participants had X-ray images obtained at Day 30; 5 participants had X-ray images obtained at Month 12; 3 participants had X-ray images obtained at Month 24. In an observational registry x-rays are only conducted if there are clinical symptoms that hint towards a fracture. In the absence of symptoms it is concluded that the subject did not suffer a stent fracture | Posted | Count of Participants | Participants | 30 day, 12 and 24 Months. |
|
|
24 months
AE reported by sites & required to be reported to the Sponsor within 24 hrs of knowledge of the AE or by the end of the next working day as defined in the Protocol are:
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Implantation of BioMimics 3D Nitinol Stent | Implantation of BioMimics 3D nitinol stent using the BioMimics 3D Stent System | 52 | 507 | 282 | 507 | 19 | 507 |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Allergic reaction | Immune system disorders | Systematic Assessment |
| ||
| Amputation unplanned | Vascular disorders | Systematic Assessment |
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| Aneurysm | Vascular disorders | Systematic Assessment |
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| Arterial stenosis (non-target, de novo) | Vascular disorders | Systematic Assessment |
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| Embolization, distal | Vascular disorders | Systematic Assessment |
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| Necrosis | Vascular disorders | Systematic Assessment |
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| Occlusion, early | Vascular disorders | Systematic Assessment | (less than 30 days treated vessel) |
| |
| Occlusion, other | Vascular disorders | Systematic Assessment |
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| Pseudoaneurysm (target vessel) | Vascular disorders | Systematic Assessment |
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| Pseudoaneurysm (access site) | Vascular disorders | Systematic Assessment |
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| Restenosis of treated segment, target lesion | Vascular disorders | Systematic Assessment |
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| Restenosis of treated vessel, target vessel | Vascular disorders | Systematic Assessment |
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| Restenosis, non-target vessel or region | Vascular disorders | Systematic Assessment |
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| Thrombosis (treated segment) | Vascular disorders | Systematic Assessment |
| ||
| Anemia | Blood and lymphatic system disorders | Systematic Assessment |
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| Bleeding from anticoagulant or antiplatelet meds | Blood and lymphatic system disorders | Systematic Assessment |
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| Angina | Cardiac disorders | Systematic Assessment |
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| Atrial fibrillation | Cardiac disorders | Systematic Assessment |
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| Cardiac arrhythmia (excl. AFib) | Cardiac disorders | Systematic Assessment |
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| Cardiopulmonary arrest | Cardiac disorders | Systematic Assessment |
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| Congestive heart failure | Cardiac disorders | Systematic Assessment |
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| Hypertension | Cardiac disorders | Systematic Assessment |
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| Myocardial infarction | Cardiac disorders | Systematic Assessment |
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| Myocardial ischemia | Cardiac disorders | Systematic Assessment |
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| Other ischemia | Cardiac disorders | Systematic Assessment |
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| Arterial occlusion/thrombus at puncture site | Injury, poisoning and procedural complications | Systematic Assessment |
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| Groin hematoma greater or equal to 5cm, with or without surgical repair | Injury, poisoning and procedural complications | Systematic Assessment |
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| Other access site complication requiring surgery or transfusion | Injury, poisoning and procedural complications | Systematic Assessment |
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| Pain or discomfort at access site (greater than 24h after procedure) | Injury, poisoning and procedural complications | Systematic Assessment |
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| Fever (higher than 38.3ºC/101ºF) | General disorders | Systematic Assessment |
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| Gastro-intestinal bleeding | Gastrointestinal disorders | Systematic Assessment |
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| Infected peripheral wound | Infections and infestations | Systematic Assessment |
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| Infection, access site | Infections and infestations | Systematic Assessment |
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| Sepsis | Infections and infestations | Systematic Assessment |
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| Pneumonia | Respiratory, thoracic and mediastinal disorders | Systematic Assessment |
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| Respiratory distress | Respiratory, thoracic and mediastinal disorders | Systematic Assessment |
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| Renal failure/renal insufficiency | Renal and urinary disorders | Systematic Assessment |
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| Stroke | Nervous system disorders | Systematic Assessment |
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| Other event | Investigations | Systematic Assessment | Other events |
| |
| Limb Ischemia | Vascular disorders | Systematic Assessment |
| ||
| Bacteremia or septicemia | Infections and infestations | Systematic Assessment |
| ||
| Amputation (planned) | Vascular disorders | Systematic Assessment |
| ||
| Pseudoaneurysm, other | Vascular disorders | Systematic Assessment |
|
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Occlusion, other | Vascular disorders | Systematic Assessment |
| ||
| Restenosis of treated segment (target lesion) | Vascular disorders | Systematic Assessment |
|
Not provided
| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Nick Yeo | Veryan Medical | +441403258984 | nick.yeo@veryanmed.com |
| Jul 16, 2021 |
| Prot_SAP_000.pdf |
| ID | Term |
|---|---|
| D058729 | Peripheral Arterial Disease |
| ID | Term |
|---|---|
| D050197 | Atherosclerosis |
| D001161 | Arteriosclerosis |
| D001157 | Arterial Occlusive Diseases |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
| D016491 | Peripheral Vascular Diseases |
Not provided
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| Unknown or Not Reported |
|
| Native Hawaiian or Other Pacific Islander |
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| Black or African American |
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| White |
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| More than one race |
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| Unknown or Not Reported |
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| Belgium |
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| Germany |
|
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| 30 Days Freedom from Amputation |
|
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| 30 Days Freedom from CDTLR |
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| Participants |
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