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11 Long-Term Medical Management
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311
11.1.6 Medication Failure Versus Non-responders
Resistance to aspirin and clopidogrel has been well studied and documented. Although the phenomenon is real, occurring in up to 30–40% of patients, the mechanisms behind such resis­tance are varied [14]. In some instances, the resistance is due to pharmacokinetic factors limiting the absorption, metabolism, and bio­availability of the drug. In other instances, how­ever, there does appear to be a true genetically determined resistance to the antiplatelet drug, mostly by altered metabolism of the drug. Despite the intellectual appeal of testing for clopidogrel and aspirin resistance to guide ther­apy, the results of such strategies have been mixed and there is no consensus on how to best manage these patients.
• From a clinical standpoint, when encountering
a patient in whom clinical failure or resistance is suspected, it is critical to rst conrm complete adherence to the antiplatelet medication.
• If clinical failure is determined, it is reason-
able to measure clopidogrel or aspirin resis­tance using commercially and clinically available platelet function analyzers to help identify an appropriate regimen.
• Treatment decisions must be individualized
and may include the various antithrombotic drugs approved for clinical use and described in this chapter.
11.1.7 Statin Therapy
11.1.8 Cilostazol
The mechanism of action of cilostazol has not been fully elucidated, but it is clear that it improves claudication symptoms. In a meta­analysis of 8 randomized control trials involving over 2700 patients with moderate-to-severe claudication, cilostazol lead to a 50% and a 67% increase in mean walking distance and pain-free walking distance, respectively [16].
• Cilostazol should be started at 50 mg twice daily and after 3–4weeks the dose should be increased to the target dose of 100mg twice daily. It should be taken on an empty stomach.
• In real-life registries, over 50% of patients stop the drug after 36 months due to side effects, such as diarrhea, headaches, palpitations, or dizziness.
• There is a black box warning against the use of cilostazol in patients with a history of congestive heart failure or an ejection fraction lower than 40%.
11.1.9 PCSK9 Inhibitors
The role of PCSK9 inhibitors in patients with PAD has been highlighted in the FOURIER trial. PAD patients who received the PCSK9 inhibitor Evolocumab (Repatha) had a 27% risk reduction in the composite of cardiovascular death, myocardial infarction, or stroke compared to placebo. In a PAD subanalysis [17], the number needed to treat to prevent major adverse cardiac events was 29 patients over 2.5years.
All patients with peripheral arterial disease should receive high-intensity statin therapy [15]. Per current lipid guidelines, patients should be treated with a minimum of atorvastatin 40 mg daily or rosuvastatin 20mg daily, ideally targeting an LDL level less than 100, and possibly less than 70mg/dL.
11.1.10 Hypertension Management
Patients with peripheral arterial disease and hypertension should be treated to achieve a goal of blood pressure less than 130/85 mmHg, preferably with an ACE inhibitor. In the landmark HOPE trial, patients with atherosclerotic vascular
312
I. Del Conde and S. Madassery
disease had a 22% reduction in the relative risk of myocardial infarction, stroke, or cardiovascular death compared to placebo [18].
11.2 Venous Disease Management
IanDel Conde
Although a comprehensive review of the medical management of patients with acute deep vein thrombosis (DVT) is beyond the scope of this chapter, readers are referred to the most recent update of the American College of Chest Physicians update on the management of venous thromboembolism [19]. For the purpose of the interventionalist treating patients with acute DVT, the discussion will be focused on the acute management of patients with DVT as it relates to endovascular therapy.
• Most patients with lower extremity deep vein
thrombosis can be managed medically (usually in the ambulatory setting) using a target-specic oral anticoagulant, such as apixaban or rivaroxaban, which do not require parenteral heparin products at treatment initiation.
• As discussed in prior sections, catheter-
directed therapies are often considered in patients with more extensive lower extremity DVT, such as DVT involving the inferior vena cava or the iliofemoral segments. These patients generally require hospitalization and should be treated with either a low molecular weight heparin at a therapeutic dose, or an unfractionated heparin drip.
The duration of anticoagulation in patients with acute proximal lower extremity DVT depends on the presentation. There are three clinical factors obtained by history that identify patients as having an increased risk of recurrent venous thromboembolism:
1. Patients with active cancer.
2. Those with a prior history of venous thromboembolism.
3. Those with unprovoked DVT (i.e., without preceding major transient risk factors, such as surgery or immobilization).
Patients at increased risk of recurrent venous thromboembolism usually complete 3–6months of therapeutic anticoagulation (generally with a target-specic oral anticoagulant) and are subsequently considered for extended treatment for the prevention of recurrent venous thromboembolism. Extended treatment is accomplished with a reduced dose of rivaroxaban [20] or apixaban [21], which has been shown to have a favorable risk: benet prole.
References
1. Leng GC, Fowkes FG, Lee AJ, et al. Use of ankle brachial pressure index to predict cardio­vascular events and death: a cohort study. BMJ. 1996;313(7070):1440–4.
2. Jones WS, Patel MR, Dai D, etal. High mortality risks after major lower extremity amputation in Medicare patients with peripheral artery disease. Am Heart J. 2013;165(5):809–15. 815.e1
3. Ziegler-Graham K, MacKenzie EJ, Ephraim PL, et al. Estimating the prevalence of limb loss in the United States: 2005 to 2050. Arch Phys Med Rehabil. 2008;89(3):422–9.
4. Gandhi S, Weinberg I, Margey R, Jaff MR. Comprehensive medical management of peripheral arterial disease. Prog Cardiovasc Dis. 2011;54(1):2–13.
5. Gerhard-Herman MD, Gornik HL, Barrett C, et al. 2016 AHA/ACC guideline on the management of patients with lower extremity peripheral artery dis­ease: executive summary: a report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines. Circulation. 2017;135(12):e686–725.
6. Berger JS, Krantz MJ, Kittelson JM, Hiatt WR. Aspirin for the prevention of cardiovascu­lar events in patients with peripheral artery dis­ease: a meta-analysis of randomized trials. JAMA. 2009;301(18):1909–19.
7. CAPRIE Steering Committee. A randomised, blinded, trial of clopidogrel versus aspirin in patients at risk
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of ischaemic events (CAPRIE). CAPRIE Steering Committee. Lancet. 1996;348(9038):1329–39.
8. Hiatt WR, Fowkes FG, Heizer G, etal. EUCLID Trial Steering Committee and Investigators. Ticagrelor ver­sus Clopidogrel in Symptomatic Peripheral Artery Disease. N Engl J Med. 2017;376(1):32–40.
9. Cacoub PP, Bhatt DL, Steg PG, Topol EJ, Creager MA.CHARISMA Investigators. Patients with periph­eral arterial disease in the CHARISMA trial. Eur Heart J. 2009;30(2):192–201.
10. Bonaca MP, Scirica BM, Creager MA, Olin J, etal. Vorapaxar in patients with peripheral artery disease: results from TRA2{degrees}P-TIMI 50. Circulation. 2013;127(14):1522–9. 1529e1-6
11. Anand SS, Bosch J, Eikelboom JW, etal. COMPASS Investigators. Rivaroxaban with or without aspirin in patients with stable peripheral or carotid artery disease: an international, randomised, double-blind, placebo­controlled trial. Lancet. 2018;391(10117):219–29.
12. Cho S, Lee Y, Ko Y, et al. Optimal strategy for anti­platelet therapy after endovascular revascularization for lower extremity peripheral artery disease. J Am Coll Cardiol Intv. 2019;12(23):2359–70.
13. Bonaca MP, Bauersachs RM, Anand SS, et al. Rivaroxaban in peripheral artery disease after revas­cularization. N Engl J Med. https://doi.org/10.1056/
NEJMoa2000052.
14. Schwartz KA. Aspirin resistance: a clinical review focused on the most common cause, noncompliance. Neurohospitalist. 2011;1(2):94–103.
15. Stone NJ, Robinson JG, Lichtenstein AH, American College of Cardiology/American Heart Association Task Force on Practice Guidelines, etal. 2013 ACC/ AHA guideline on the treatment of blood cholesterol to reduce atherosclerotic cardiovascular risk in adults: a report of the American College of Cardiology/ American Heart Association Task Force on Practice Guidelines. Circulation. 2014;129(25 Suppl 2):S1–45.
16. Thompson PD, Zimet R, Forbes WP, Zhang P.Meta­analysis of results from eight randomized, placebo­controlled trials on the effect of cilostazol on
patients with intermittent claudication. Am J Cardiol. 2002;90(12):1314–9.
17. Bonaca MP, Nault P, Giugliano RP, etal. Low-density lipoprotein cholesterol lowering with evolocumab and outcomes in patients with peripheral artery disease: insights from the FOURIER trial (further cardiovascular outcomes research with PCSK9 inhi­bition in subjects with elevated risk). Circulation. 2018;137(4):338–50.
18. Heart Outcomes Prevention Evaluation Study Investigators, Yusuf S, Sleight P, Pogue J, Bosch J, Davies R, Dagenais G. Effects of an angiotensin­converting- enzyme inhibitor, ramipril, on cardio­vascular events in high-risk patients. N Engl J Med. 2000;342(3):145–53.
19. Stevens SM, Woller SC, Kreuziger LB, Bounameaux H, Doerschug K, Geersing GJ, Huisman MV, Kearon C, King CS, Knighton AJ, Lake E, Murin S, Vintch JRE, Wells PS, Moores LK. Antithrombotic therapy for VTE disease: second update of the CHEST guideline and expert panel report. Chest. 2021;160(6):e545–608. https://doi.org/10.1016/j.
chest.2021.07.055. Epub 2021 Aug 2. Erratum in:
Chest. 2022 Jul;162(1):269.
20. Weitz JI, Lensing AWA, Prins MH, Bauersachs R, Beyer-Westendorf J, Bounameaux H, Brighton TA, Cohen AT, Davidson BL, Decousus H, Freitas MCS, Holberg G, Kakkar AK, Haskell L, van Bellen B, Pap AF, Berkowitz SD, Verhamme P, Wells PS, Prandoni P, Investigators EINSTEINCHOICE. Rivaroxaban or aspirin for extended treatment of venous throm­boembolism. N Engl J Med. 2017;376(13):1211–22.
https://doi.org/10.1056/NEJMoa1700518. Epub 2017
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21. Agnelli G, Buller HR, Cohen A, Curto M, Gallus AS, Johnson M, Porcari A, Raskob GE, Weitz JI, AMPLIFY-EXT Investigators. Apixaban for extended treatment of venous thromboembolism. N Engl J Med. 2013;368(8):699–708. https://doi.org/10.1056/
NEJMoa1207541. Epub 2012 Dec 8
Index
A
Abbott Supera stent, 178 Abdominal aortogram, 83 Accommodative padding, 17 Acute kidney injury (AKI), 71 Adjacent tissue transfer, 27 Adjunctive atherectomy, 200 American College of Radiology (ACR), 35 Amputation, 285, 286 Angioplasty balloon catheters, 98 Ankle atherectomy, 199–203 Ankle brachial index, 37–38 Antegrade femoral approaches, 101 Antegrade SFA access, 102 Anterior tibial artery (ATA), 90, 206 Antibiotic therapy, 289 Anticoagulation, 54 Anti-heparin-PF4 antibodies, 145 Antihypertensives, 52 Antiplatelets, 53 Antithrombotic therapy, 308–310 Aortic bifurcation, 85 Aortobifemoral bypass, 87–88 Aortoiliac disease (AOID), 79 Aortoiliac interventions, 80 Aortoiliac occlusive disease (AIOD), 87, 221–225 Aortoiliac stenting, 81 Arterial duplex, 31–33 Arterial revascularization
ankle atherectomy, 199–203 antegrade femoral approaches, 101 aortobifemoral bypass, 87–88 aortoiliac occlusive disease, 221–225 axillary and brachial access, 109 BEST-CLI trial, 230–232 blue toe syndrome, 161–164 clinical evaluation, 89 CO2 angiography
advantages, 110–112 adverse effects, 116–117 carbon dioxide delivery, 112–114 complications, 116–117 disadvantages, 112
imaging parameters, 114 lower extremity runoff, 114–116 patient monitoring, 112
standard aortogram, 114–116 CTOs, 99, 100, 130–133 deep vein arterialization, 208–219 distal embolization, 157–160 drug-eluting technology, 166–174 EVUS, 95–100 femoral artery, 177–186 femoro-femoral bypass, 88–89 heavy calcium
access, 117–119
crossing, 118–123
laser history and background, 127–130
treatment, 120–125 hybrid deep vein arterialization, 219–221 hypogastric considerations, 81–84 instent restenosis
axillofemoral bypass, 138
blue toe syndrome, 162
classication system, 134
crossing in-stent occlusions, 134
detour approach, 139–141
distal popliteal and trifurcation disease
management, 154–157 drug-eluting technology, 169 femoral artery, 179 femorotibial bypass, 135–139 brinolytic therapy, 146 knee stenting, 152–154 limus-based therapy, 172 management, 134–135 mitigating risk, 142–143 pedal surgical bypass, 195 popliteal artery aneurysms, 177 solo profunda, 191 thrombolysis, 146, 147 tibial calcium management, 147–154
limb preservation, 226–230 limus-based therapy, 170–172 orphan heel, 205–208 pedal approach, 89–100
© The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2023 S. Madassery, A. Patel (eds.), Limb Preservation for the Vascular Specialist,
https://doi.org/10.1007/978-3-031-36480-8
315
316
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Index
Arterial revascularization (cont.)
pedal surgical bypass, 191–195 peripheral arterial disease, 104–109 popliteal access, 100, 101 popliteal artery aneurysms, 174–177 postoperative care, 93–94 postoperative complications, 95 primary pedal intervention, 92–95 radial sheath entrapment, 108 retrograde SFA access, 103 solo profunda, 186–190 stubborn valves, 214–218 ultrasonic features of, 98–99 ultrasound based femoropopliteal atherectomy,
195–199
upper extremity access, 107–108 Artery endovascular revascularization, 283 Atherectomy, 149 Axillofemoral bypass, 138
B
Bare metal stents (BMS), 154 BEST-CLI trial, 230–232 Bifurcated patch, 188 Big artery disease (BAD), 147 Bioengineered cellular therapies, 21 Blue toe syndrome, 161–164 Bone biopsy, 13
C
Calcication, 120 Calcied disease, 196 Calciphylaxis, 15, 162 Campisi Staging System, 58 Carbon dioxide (CO2), 109 Cardiovascular and Interventional Radiological Society
of Europe (CIRSE), 303 CEAP classication system, 252, 254 Cellular based therapies, 21 Chimney CERAB (C-CERAB), 84 Chocolate balloon, 150 Chronic ilio-caval occlusion
clinical presentation of, 270 endovascular management of, 270–271 etiologies, 268–270 intra-procedural considerations, 271–274 pharmacotherapy, 274 post-procedural management, 274
pre-procedural considerations, 271 Chronic kidney disease (CKD), 34 Chronic limb threatening ischemia (CLTI), 1, 79, 283 Chronic non-healing wounds, 21 Chronic occlusions, 141 Chronic tobacco abuse, 103 Chronic total occlusions (CTOs), 46, 99–100,
130–133, 141
Chronic venous disease, 303 Chronic venous insufciency (CVI), 253 Chronic wound, 13 Cilostazol, 55, 311 Clopidogrel, 309 Coaxial catheter system, 121 Common femoral artery (CFA), 117, 184 Common femoral artery (CFA) disease, 177 Common femoral artery endarterectomy (CFE), 178 Compression therapy, 274
complications, 277 contraindications to, 277
types of, 275–277 Computed tomography angiography, 34 Computed tomography arteriography, 39 Computed tomography venography (CTV), 40 Contrast-enhanced MR arteriography (CE-MRA), 39 Contrast-enhanced MR venography (MRV), 40 Conventional approach, 186 Coronary revascularization, 172 Covered endovascular reconstruction of aortic
bifurcation (CERAB), 84 Critical limb ischemia (CLI), 1, 203 Crossing devices, 131 Culotte technique, 156 Cutting Balloon (Boston Scientic) angioplasty, 150 Cyanoacrylate glue (VenaSeal), 259
D
Debridement, 7, 289 Debulking atherectomy, 152 Decubitus ulcer, 6 Decubitus wound, 5 Deep femoral artery (DFA), 178 Deep vein arterialization (DVA), 208–219, 221 Deep vein thrombosis (DVT), 37, 257, 269, 301 Deep venous disease, 261–267, 301–303 Detour approach, 139–141 Diabetes mellitus (DM), 41, 52, 103 Diabetic foot classication, 5 Diabetic foot ulcer (DFU), 68 Diagnostic angiography, 72 Diet modication, 50 Digit amputation, 16 Digital subtraction angiography (DSA), 92, 109 Distal CO2 injection, 114 Distal embolization (DE), 157–160 Dorsal metatarsal artery, 43 Dorsalis pedis artery (DPA), 206 Dropped bifurcation technique, 189 Drug-coated balloons (DCB), 108 Drug-eluting stents (DES), 108 Drug-eluting technology, 166–174 Dry eschar, 14 Dual antiplatelet therapy (DAPT), 54 Duplex ultrasound (DUS), 297 Dyslipidemia, 103
Index
317
E
Early Venous Reux Ablation (EVRA), 257 Elgiloy-braided stents, 270 Embolic disease, 161 Embolic protection devices (EPD), 158, 164 Embolization protection device (EPD), 166 End stage renal disease (ESRD), 41 Endarterectomy, 188 Endovascular popliteal aneurysm repair (EPAR), 176 Endovascular procedures, 293–295 Endovascular therapy (EVT), 166, 170, 177, 184 Endovenous laser therapy (EVLT), 255 Ergonomics, 102 Excimer Laser, 93 Excisional biopsy, 13 Exercise therapy, 50 External Iliac artery, 86 External iliac artery lesions, 105 Extra-vascular ultrasound (EVUS), 95–100
F
Femoral artery, 177–186 Femoro-femoral bypass, 88–89 Fibrous disease, 196 Foot deformity, 4 Free aps, 27 Full thickness skin graft (FTSG), 26
G
Gas gangrene, 65 Gender disparities, 228–229 General anesthesia (GA), 212 Global inequalities, 229–230 Glucagon-like protein (GLP)-1 receptor agonists, 53 Glucose-lowering therapies, 52–53
H
Heel eschar, 14, 15 Heel ulcers, 205 Heparin-Induced Thrombocytopenia (HIT), 144–147 Home-based exercise therapy (HBET), 51 Hybrid deep vein arterialization, 219–221 Hyperbaric oxygen therapy (HBOT), 19, 37 Hypercoagulability, 162 Hyperspectral imaging, 289 Hypertension, 52
I
Iliac vein occlusion (ILVO), 263 Iliac venous conuence, 266–268 Iliocaval disease, 270 Iliocaval stent reconstruction, 302 Incisional biopsy, 13, 14 Indocyanine green angiography (ICGA), 73
In-stent restenosis (ISR), 127, 134 Intraoperative ultrasound, 45 Intravascular ultrasound (IVUS), 141 IR-podiatry relationship, 288 Ischemic ulcer, 6 Ischemic wounds, 5, 14
J
JET Stream, 142
K
Kaplan–Meier analysis, 182 Kissing stent technique, 157 Knee arterial disease management, 155 Knee stenting, 152–154
L
Laser atherectomy, 128–129 Lateral plantar artery, 44 Limb classication, 70 Limb ischemia, 283 LimFlow (LimFlow Inc.) system, 221 Limus-based therapy, 170–174 Lipid-lowering therapies (LLT), 51 Liposuction, 59 Long-term imaging
bypass follow-up, 300 deep venous disease, 301–303 EVT patients, 300–301 peripheral arterial disease, 297
Lymphedema management, 57–60
M
Magnetic resonance angiography (MRA), 35 Magnetic resonance venography (MRV), 36, 37 Maximum Intensity Projection (MIP), 34 May-Thurner Syndrome (MTS), 302 Medial artery calcication (MAC) scoring, 219 Mini-crush technique, 156–157 Minor amputations, 285, 286 Mixed wound, 9 Myocardial infarction (MI), 49
N
National Kidney Foundation (NKF), 35 Nephrogenic systemic brosis (NSF), 35 Neuropathic ulcer, 5 Neuropathic wound, 5 Non-contrast MR arteriography (NC-MRA), 39–40 Non-contrast MR venography (ncMRV), 40–41 Noninvasive imaging, 31, 36 Nonocclusive mimickers, 162 Non-thermal axial ablation therapy, 258–259
318
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Index
O
Ofoading, 8, 16 Ofoading pads, 17 Orphan heel, 205–208 Osteomyelitis, 65 Oxygen therapy, 18–20
P
Paclitaxel-coated balloons, 167 Paclitaxel-coated devices (PCDs), 167, 168, 170 Paclitaxel dosing, 168–169 Paclitaxel-eluting stents (PESs), 167 Pain management, 216 Patch angioplasty, 185 Patient empowerment, 289 PCSK9 inhibitors, 311 Pedal acceleration time (PAT), 43 Pedal anatomy, 42 Pedal ow hemodynamics, 43–45 Pedal surgical bypass, 191–195 Pentoxifylline, 55 Percutaneous DVA, 210 Percutaneous old balloon angioplasty (POBA) balloons,
151 Percutaneous transluminal angioplasty (PTA), 142, 199 Perfusion, 69 Periodic restaging, 71 Peripheral artery disease (PAD), 31, 45, 104, 139,
170–172, 226, 297, 301, 307
antihypertensives, 52 antithrombotic therapy, 53–55, 308–310 cilostazol, 55 diet modication, 50 exercise therapy, 50 glucose-lowering therapies, 52–53 lifestyle modication, 50–51 LLT, 51 medical management of, 307–308 medication failure vs non-responders, 311 pentoxifylline, 55 recommendations for, 57 risk reduction, 50–51
walking program, 308 Peripheral vascular disease (PVD), 1 Peroneal artery (PA), 206 Philips laser, 128 Phoenix, 93 Popliteal access, 100, 101 Popliteal artery aneurysms (PAAs), 174–177 Post procedure management
amputations, 285, 286
assessing plateaus, 285
deaths, 286
initial follow-up, 284
life after healing, 286
monthly wound checks, 284
wound monitoring, 287–289
Post thrombotic syndrome (PTS), 262 Posterior tibial artery (PTA), 206, 209 Post-thrombotic syndrome (PTS), 269 Powerlink/AFX, 81 Preprocedural aortography, 222 Primary pedal approach, 89 Primary pedal intervention, 92–95 Profunda femoris artery (PFA), 186 Profunda revascularization, 190 Profundoplasty, 187–190 Proximal DVA, 209 Pseudoaneurysm, 181 Pulse volume recordings (PVRs), 31, 32 Punch biopsy, 13, 14
R
Racial disparities, 228 Radial sheath entrapment, 108 Radiofrequency ablation (RFA), 255 Re-entry devices, 92 Regional aps, 27 Reintervention, 294 Restenosis, 215 Revascularization, 69–70, 73 Rotablator, 93 Rotarex, 142
S
Saphenopopliteal junction (SPJ), 253 Secondary lymphedema, 58 Secondary revascularization, 294 Self-expanding scaffold, 154 Self-monitoring, 289 SELUTION SLR drug delivery system, 173 Serranator PTA serration balloon catheter, 151 Shockwave Intravascular Lithotripsy (IVL), 151 Single stent technique, 155–156 Skin and soft tissue infections (SSTI), 22, 23 Skin perfusion pressure (SPP), 33, 207 Skin substitutes, 20–21 Skin thickening, 59 Small artery disease (SAD), 148, 199, 293 Smart dressings, 289 Society of Vascular Surgery (SVS), 297 Sodium-glucose transporter 2 (SGLT2) inhibitors, 53 Soft plaque, 197 Solo profunda, 186–191 Spear techniques, 211 Split thickness skin graft (STSG), 26 Standard patch, 188 Statin intensities, 52 Statin therapy, 311 Supercial femoral artery (SFA), 45, 100, 140, 178, 187, 298 Supercial venous disease, 253–255, 257, 260 Superior mesenteric artery (SMA), 81 Systemic/catheter-directed brinolytic therapy, 146
Index
319
T
Thermal axial ablation therapy, 258–259 Thrombolysis, 146, 147, 263 Thrombolytic-assisted intervention, 142 Thrombosis, 53, 145, 181 Thrombotic syndrome, 253 Tibial calcium management, 147–154 Tibial disease, 45 Tissue oxygen testing (TcPO2), 32 Tobacco cessation, 50 Tobacco use, 227 Toe brachial index (TBI), 32, 38 Topical oxygen therapy, 19–20 Transcutaneous oximetry (TcPO2), 289 Trans metatarsal amputation (TMA), 203 Transradial access (TRA), 104 T-stenting technique, 156 Type 2 diabetes, 53
U
Ultrasound based femoropopliteal
atherectomy, 195–199 Ultrasound-guided foam sclerotherapy, 258–259 Ultrasound testing, 36 Unna boot, 275 Upper extremity access, 107–108
V
Venous appearing wounds, 31–32 Venous Clinical Severity Score (VCSS), 252 Venous disease, 31 Venous disease management, 312 Venous distribution, 35 Venous interventions
chronic ilio-caval occlusion (see Chronic ilio-caval
occlusion)
compression therapy, 274–277 deep venous disease, 251, 253, 261–267 supercial venous disease, 251, 253–255, 257, 260 surgical options, 274
Venous leg ulceration (VLU), 7, 254
Venous stent placement, 270 Venous wound, 6 Vorapaxar, 309
W
Wet gangrene, 65 WIfI classication, 71 Wire test, 142 Wound care
amputation optimization, 27 basics of dressings, 10–12 bone biopsy, 13 calciphylaxis, 15 debridement, 7, 9, 10 decubitus wound, 5 foot deformity, 4 HBOT, 19 HBOT vs TOT, 20 infection, 4 ischemic wound, 5 lower extremity wounds, 13 mixed wound, 9 neuropathic wound, 5 ofoading, 8, 16 oxygen therapy, 18–20 reconstructive options, 25–27 site of cultures, 13 skin substitutes, 20 soft tissue breakdown, 4 SSTI, 22 topical oxygen therapy, 19–20 vascular exam, 3–4 venous mixed wounds, 7 venous wound, 6 wound environment, 8
wound vac, 15 Wound debridement, 9, 10 Wound environment, 8 Wound healing, 18 Wound monitoring, 287–289 Wound Severity Classication, 25 Wound vac, 15, 16