Korean Circ J.  2017 Jul;47(4):469-476. 10.4070/kcj.2017.0020.

Baseline Characteristics of a Retrospective Patient Cohort in the Korean Vascular Intervention Society Endovascular Therapy in Lower Limb Artery Diseases (K-VIS ELLA) Registry

Affiliations
  • 1Division of Cardiology, Department of Internal Medicine, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea. cdhlyj@yuhs.ac
  • 2Division of Cardiology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
  • 3Division of Cardiology, Department of Internal Medicine, Chungnam National University Hospital, Daejeon, Korea.
  • 4Seoul National University Bundang Hospital, Seongnam, Korea.
  • 5Division of Cardiology, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
  • 6Division of Cardiology, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
  • 7Division of Cardiology, Department of Internal Medicine, Chonbuk National University Hospital, Jeonju, Korea.
  • 8Division of Cardiology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 9Division of Cardiology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.

Abstract

BACKGROUND AND OBJECTIVES
The Korean Vascular Intervention Society Endovascular Therapy in Lower Limb Artery Diseases (K-VIS ELLA) Registry is a multicenter observational study with retrospective and prospective cohorts of patients with lower extremity peripheral artery disease (PAD) undergoing endovascular treatment. In this study, we report the baseline characteristics of this retrospective cohort.
SUBJECTS AND METHODS
In the present study we analyzed datasets of 3073 patients with 3972 target limbs from a retrospective cohort treated with endovascular therapy in 31 Korean hospitals. Data regarding patient baseline clinical and lesion characteristics and postintervention medications were collected from electronic medical records.
RESULTS
The mean patient age was 68.3±9.4 years. The majority were male (82.1%) with comorbidities such as diabetes mellitus (58.0%), hypertension (73.4%), and coronary artery disease (CAD; 55.3%). Patients more commonly presented with intermittent claudication (66.3%) than with critical limb ischemia (CLI; 33.7%). Femoropopliteal artery (41.2%) was the most common target vessel for endovascular treatment, followed by the aortoiliac (35.6%) and infrapopliteal arteries (23.2%). TransAtlantic Inter-Society Consensus for the Management of Peripheral Artery Disease (TASC II) type C/D aortoiliac (48.0%) or femoropopliteal lesions (60.2%) were frequent targets of endovascular treatment. At hospital discharge, only 73.1% of patients received dual antiplatelet therapy and 69.2% received a statin.
CONCLUSION
The majority of Korean patients with PAD exhibited conventional risk factors, such as male sex, older age, diabetes, and hypertension with coexisting CAD. Complex lesions were frequently treated with endovascular therapy. However, the rate of adherence to guidelines regarding post-procedural medical treatment requires improvement.

Keyword

Peripheral artery disease; Lower extremity; Endovascular therapy; Risk factors

MeSH Terms

Arteries*
Cohort Studies*
Comorbidity
Consensus
Coronary Artery Disease
Dataset
Diabetes Mellitus
Electronic Health Records
Extremities
Humans
Hydroxymethylglutaryl-CoA Reductase Inhibitors
Hypertension
Intermittent Claudication
Ischemia
Lower Extremity*
Male
Observational Study
Peripheral Arterial Disease
Prospective Studies
Retrospective Studies*
Risk Factors

Figure

  • Fig. 1 Patient flow diagram.

  • Fig. 2 Distribution of aortoiliac lesions according to the TransAtlantic Inter-Society Consensus for the Management of Peripheral Arterial Disease (TASC II) classification. CLI: critical limb ischemia.

  • Fig. 3 Distribution of femoropopliteal lesions according to the TransAtlantic Inter-Society Consensus for the Management of Peripheral Arterial Disease (TASC II) classification. CLI: critical limb ischemia.


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