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Ahmed Z, Ochoa-Prieto M, Bhalla A, Strosberg DS, Dardik A, Altin SE. How much flow is enough: the use of fractional flow reserve in chronic limb-threatening ischemia in a series of patients with isolated occlusive tibial disease. J Vasc Surg Cases Innov Tech 2023; 9:101017. [PMID: 38204765 PMCID: PMC10777480 DOI: 10.1016/j.jvscit.2022.08.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 08/23/2022] [Indexed: 11/18/2022] Open
Abstract
The role of the fractional flow reserve to guide lower extremity peripheral vascular intervention, specifically in chronic limb-threatening ischemia, has remained unclear. This series presents a novel use of the fractional flow reserve in four patients to guide lower extremity endovascular interventions in patients with chronic limb-threatening ischemia.
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Affiliation(s)
- Zain Ahmed
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT
| | - Mario Ochoa-Prieto
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT
| | - Aneil Bhalla
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT
| | - David S. Strosberg
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT
- Division of Cardiology, West Haven Veterans Affairs Medical Center, West Haven, CT
| | - Alan Dardik
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT
- Division of Cardiology, West Haven Veterans Affairs Medical Center, West Haven, CT
| | - S. Elissa Altin
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT
- Division of Cardiology, West Haven Veterans Affairs Medical Center, West Haven, CT
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Wermelink B, Ma KF, Haalboom M, El Moumni M, de Vries JPPM, Geelkerken RH. A Systematic Review and Critical Appraisal of Peri-Procedural Tissue Perfusion Techniques and their Clinical Value in Patients with Peripheral Arterial Disease. Eur J Vasc Endovasc Surg 2021; 62:896-908. [PMID: 34674935 DOI: 10.1016/j.ejvs.2021.08.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 07/19/2021] [Accepted: 08/13/2021] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Many techniques have been introduced to enable quantification of tissue perfusion in patients with peripheral arterial disease (PAD). Currently, none of these techniques is widely used to analyse real time tissue perfusion changes during endovascular or surgical revascularisation procedures. The aim of this systematic review was to provide an up to date overview of the peri-procedural applicability of currently available techniques, diagnostic accuracy of assessing tissue perfusion and the relationship with clinical outcomes. DATA SOURCES MEDLINE, Embase, CINAHL, and the Cochrane Central Register of Controlled Trials. REVIEW METHODS This systematic review was conducted in accordance with the Preferred Reporting Items for Systematic review and Meta-Analysis (PRISMA) guidelines. Four electronic databases were searched up to 31 12 2020 for eligible articles: MEDLINE, Embase, CINAHL and the Cochrane Central Register of Controlled Trials. Eligible articles describing a perfusion measurement technique, used in a peri-procedural setting before and within 24 hours after the revascularisation procedure, with the aim of determining the effect of intervention in patients with PAD, were assessed for inclusion. The QUADAS-2 tool was used to assess the risk of bias and applicability of the studies. RESULTS An overview of 10 techniques found in 26 eligible articles focused on study protocols, research goals, and clinical outcomes is provided. Non-invasive techniques included laser speckle contrast imaging, micro-lightguide spectrophotometry, magnetic resonance imaging perfusion, near infrared spectroscopy, skin perfusion pressure, and plantar thermography. Invasive techniques included two dimensional perfusion angiography, contrast enhanced ultrasound, computed tomography perfusion imaging, and indocyanine green angiography. The results of the 26 eligible studies, which were mostly of poor quality according to QUADAS-2, were without exception, not sufficient to substantiate implementation in daily clinical practice. CONCLUSION This systematic review provides an overview of 10 tissue perfusion assessment techniques for patients with PAD. It seems too early to appoint one of them as a reference standard. The scope of future research in this domain should therefore focus on clinical accuracy, reliability, and validation of the techniques.
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Affiliation(s)
- Bryan Wermelink
- University of Twente, Multi-Modality Medical Imaging Group, TechMed Centre, Enschede, The Netherlands; Department of Vascular Surgery, Medisch Spectrum Twente, Enschede, The Netherlands.
| | - Kirsten F Ma
- Department of Surgery, Division of Vascular Surgery, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Marieke Haalboom
- Medical School Twente, Medisch Spectrum Twente, Enschede, The Netherlands
| | - Mostafa El Moumni
- Department of Surgery, Division of Trauma Surgery, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Jean-Paul P M de Vries
- Department of Surgery, Division of Vascular Surgery, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Robert H Geelkerken
- University of Twente, Multi-Modality Medical Imaging Group, TechMed Centre, Enschede, The Netherlands; Department of Vascular Surgery, Medisch Spectrum Twente, Enschede, The Netherlands
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Ito N, Hishikari K, Yoshikawa H, Tsujihata S, Abe F, Kanno Y, Iiya M, Murai T, Hikita H, Takahashi A, Yonetsu T, Sasano T. Angiographic flow velocity predicts lower limb outcomes after endovascular therapy: Application of the frame count method. Vasc Med 2021; 27:39-46. [PMID: 34286654 DOI: 10.1177/1358863x211025613] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Several factors related to lesion characteristics and endovascular therapy (EVT) procedures have been reported to affect primary patency after EVT. However, it is unknown why these factors were associated with primary patency. We hypothesized patency failure was related to poor blood flow in affected arteries. METHODS This retrospective study included 131 consecutive patients who had received EVT with bare metal stents for peripheral artery disease caused by femoropopliteal artery lesions. Based on the tertile post-EVT flow velocity of the superficial femoral artery (SFA), patients were divided into high (n = 43), middle (n = 44), and low (n = 44) flow velocity groups. Flow velocity was measured using the frame count method. We measured incidence of major adverse limb events (MALE), composed of target lesion revascularization (TLR), non-TLR, and major amputation. RESULTS At a median follow-up period of 22.7 months, MALE had occurred in 7 (16.3%), 10 (22.7%), and 29 (65.9%) of patients from the high, middle, and low SFA flow velocity groups, respectively (p < 0.001). Kaplan-Meier analysis showed incidence of MALE was significantly higher in the patients of low SFA flow velocity (log-rank test χ2 = 38.8, p < 0.001). Multivariate analysis found low SFA flow velocity to be an independent predictor for MALE (hazard ratio: 4.42; 95% CI: 2.27 to 8.60; p < 0.001) as was ankle-brachial index. CONCLUSION Post-EVT SFA flow velocity for femoropopliteal artery lesions treated with bare metal stents is an independent predictor of limb patency. The frame count method for assessing arterial flow velocity is convenient and has potential for wide applications in EVT.
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Affiliation(s)
- Naruhiko Ito
- Department of Cardiology, Yokosuka Kyosai Hospital, Yokosuka, Japan
| | | | | | | | - Fumiyuki Abe
- Department of Cardiology, Yokosuka Kyosai Hospital, Yokosuka, Japan
| | - Yoshinori Kanno
- Department of Cardiology, Yokosuka Kyosai Hospital, Yokosuka, Japan
| | - Munehiro Iiya
- Department of Cardiology, Yokosuka Kyosai Hospital, Yokosuka, Japan
| | - Tadashi Murai
- Department of Cardiology, Yokosuka Kyosai Hospital, Yokosuka, Japan
| | - Hiroyuki Hikita
- Department of Cardiology, Yokosuka Kyosai Hospital, Yokosuka, Japan
| | | | - Taishi Yonetsu
- Cardiovascular Medicine, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan
| | - Tetsuo Sasano
- Cardiovascular Medicine, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan
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Alexandrescu VA, Houbiers A. Commentary: Limb-Based Patency for Chronic Limb-Threatening Ischemia Treatment: Do We Face a Threshold for Redefining Current Revascularization Practice? J Endovasc Ther 2020; 27:595-598. [PMID: 32495681 DOI: 10.1177/1526602820926953] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Vlad-Adrian Alexandrescu
- Cardio-Vascular Department, CHU Sart-Tilman University Hospital Liège, Belgium.,Department of Vascular and General Surgery, Princess Paola Hospital, Vivalia, Marche-en-Famenne, Belgium
| | - Arthur Houbiers
- Department of Vascular and General Surgery, Princess Paola Hospital, Vivalia, Marche-en-Famenne, Belgium
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Ikeoka K, Watanabe T, Shinoda Y, Minamisaka T, Fukuoka H, Inui H, Ueno K, Hoshida S. Below-the-Ankle Arrival Time as a Novel Limb Tissue Perfusion Index: Two-dimensional Perfusion Angiography Evaluation. J Endovasc Ther 2020; 27:198-204. [DOI: 10.1177/1526602820905527] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Purpose: To identify lower limb 2-dimensional (2D) perfusion angiographic parameters that are related to skin perfusion pressure (SPP), a predictor of wound healing in patients with chronic limb-threatening ischemia (CLTI) undergoing below-the-knee (BTK) endovascular treatment (EVT). Materials and Methods: Thirty-three consecutive patients (mean age 74.5 years; 18 men) with 47 isolated BTK lesions in 33 limbs (Rutherford category 3–5) underwent EVT. Dorsal and plantar SPPs were measured before EVT and the day after. The indexed blood flow below the ankle was measured using 2D perfusion angiography before and after EVT to determine changes in perfusion parameters [arrival time (AT), time to peak, wash-in rate, mean transit time, and width and area under the time-density curve] at rest vs during hyperemia induced with a 20-mg intra-arterial papaverine infusion. Correlations between the 2D perfusion parameters and SPPs were assessed using the Pearson coefficient. The cutoff points to predict mean SPPs >40 mm Hg were analyzed using a receiver operating characteristic curve; outcomes are reported as the area under the curve (AUC) with 95% confidence interval (CI). Results: After EVT at rest and during hyperemia, only AT was significantly changed, although hyperemia produced significant changes in all the pre-/post-EVT 2D perfusion parameters except the wash-in rate. Dorsal and plantar SPPs after EVT were significantly increased and correlated with hyperemic AT and the AT ratio (hyperemia/at rest values) below the ankle. Hyperemic ATs <6.3 seconds and AT ratios <0.78 were predictive factors for a mean SPP >40 mm Hg, with AUCs of 0.83 (95% CI 0.67 to 0.99) and 0.78 (95% CI 0.61 to 0.95), respectively. Conclusion: Hyperemic ATs <6.3 seconds or AT ratios <0.78 below the ankle may be essential to obtain sufficient SPPs for limb salvage in BTK lesions. Thus, the use of 2D perfusion angiography enabled the monitoring of lower limb tissue perfusion throughout EVT and may thereby optimize treatment of CLTI.
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Affiliation(s)
- Kuniyasu Ikeoka
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Tetsuya Watanabe
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Yukinori Shinoda
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Tomoko Minamisaka
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Hidetada Fukuoka
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Hirooki Inui
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Keisuke Ueno
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Shiro Hoshida
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
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Ikeoka K, Watanabe T, Shinoda Y, Minamisaka T, Fukuoka H, Inui H, Ueno K, Inoue S, Mine K, Hoshida S. Pressure- and Velocity-Based Physiological Assessment of Stenotic Lesions at Hyperemia in Superficial Femoral Artery Disease: Importance of Hyperemic Stenosis Resistance. Ann Vasc Dis 2019; 12:362-366. [PMID: 31636747 PMCID: PMC6766760 DOI: 10.3400/avd.oa.19-00034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background: In superficial femoral artery (SFA) stenosis, stenosis resistance may increase, but the relationship between stenosis resistance and stenotic severity remains to be seen. This study aimed to investigate the physiological response, through a hyperemic condition, and the pathophysiological significance of Doppler flow and stenosis resistance in SFA. Methods: Twenty-four limbs with focal stenosis of the SFA were analyzed. We assessed the fractional flow reserve (FFR), hyperemic stenosis resistance (h-SR), and vascular flow reserve (VFR) of the SFA with a pressure/Doppler flow sensor-tipped combination guidewire before and after endovascular therapy (EVT). Results: FFR, h-SR, and VFR changed significantly after EVT. h-SR was more strongly correlated with % area stenosis, measured by intravascular ultrasound than FFR (FFR: r=-0.716, h-SR: r=0.741, p<0.0001, respectively). However, VFR was not associated with % area stenosis. A receiver operating characteristic curve showed cut-offs h-SR >0.36 mmHg·sec/cm, and FFR <0.88 predicted >75% area stenosis with area under curves of 0.883 and 0.828, respectively. Conclusion: h-SR can indicate stenotic severity in an SFA focal lesion more prominently than FFR and may be a new physiological index to determine indication for EVT. VFR was not feasible for assessment in SFA focal stenosis.
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Affiliation(s)
- Kuniyasu Ikeoka
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Tetsuya Watanabe
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Yukinori Shinoda
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Tomoko Minamisaka
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Hidetada Fukuoka
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Hirooki Inui
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Keisuke Ueno
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Soki Inoue
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Kentaro Mine
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
| | - Shiro Hoshida
- Department of Cardiovascular Medicine, Yao Municipal Hospital, Yao, Osaka, Japan
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Mangi MA, Kahloon R, Elzanaty A, Zafrullah F, Eltahawy E. The Use of Fractional Flow Reserve for Physiological Assessment of Indeterminate Lesions in Peripheral Artery Disease. Cureus 2019; 11:e4445. [PMID: 31205833 PMCID: PMC6561523 DOI: 10.7759/cureus.4445] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Peripheral artery disease (PAD) is a prevalent disorder in the United States, associated with significant morbidity and mortality. Fractional Flow Reserve (FFR) is a physiological test used to assess the hemodynamic significance of intermediate lesions on conventional angiography. It is well studied in coronary artery disease and is as an important tool to guide decisions regarding revascularization in a significant percentage of patients with intermediate lesions. As compared to coronary FFR, the use of FFR in peripheral artery disease (PFFR) is much less prevalent. Overall data regarding the use of the PFFR is sparse. There are limited studies that have shown the correlation of PFFR with non-invasive testing including ankle-brachial index (ABI) and Doppler Imaging. Unlike coronary FFR, the optimal pharmaceutical agents and doses to induce maximal hyperemia in the peripheral vascular bed are also not well established. Moreover, there are no established standardized procedural protocols for measuring PFFR. Various studies have employed varying techniques, hyperemic agents and doses. The aim of this literature review is to summarize the current evidence on PFFR, the correlation with noninvasive studies used in PAD and to increase awareness of the potential role of the PFFR in peripheral interventions.
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Affiliation(s)
| | - Rehan Kahloon
- Interventional Cardiovascular Medicine, University of Toledo Medical Center, Toledo, USA
| | - Ahmed Elzanaty
- Internal Medicine, University of Toledo Medical Center, Toledo, USA
| | - Fnu Zafrullah
- Internal Medicine, Steward Carney Hospital, Tufts University School of Medicine, Boston, USA
| | - Ehab Eltahawy
- Cardiology, University of Toledo Medical Center, Toledo, USA
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