Therapeutic Results (disclosed)

Therapeutic results of stent grafting for abdominal aortic aneurysms

  • Date of survey: March 14, 2013
  • Treatment period: July 1, 2006 - December 31, 2008
Survey conditions
Number of patients Note 1)
(Follow-up rate)
3209 cases (96.6%)
Male/Female 2762/447
Age, y
(range)
75.5±7.8 (36-96)
Patient characteristics Number
Diagnosis Abdominal aortic aneurysm 3120
Iliac aneurysm 62
Other 27
Comorbidities
(including duplicate cases)
Hypertension 2048
Respiratory disorder (home oxygen) 733 (45)
Stroke 535
Coronary artery disease 956
Diabetes mellitus 362
Renal impairment Note 2) 489
Hostile abdomen 776
Aneurysm diameter 51.7±10.1 mm
Aortic neck length 30.3±12.0 mm
Aortic Neck angle ≥60° 355 (11.4%)
Periprocedural Results Number of cases (%)
Anesthesia method General 2275 (72.8%)
Epidural 462 (14.8%)
Spinal 36 (1.2%)
Local 349 (11.2%)
Other 2 (0.1%)
Adverse events Blood transfusion required 121 (3.9%)
Arterial occlusion, stenosis or injury 146 (4.7%)
Thrombosis or Embolism 23 (0.7%)
Rupture 2 (0.1%)
Other 19 (0.6%)
Mortality (during operation) 0
Postprocedural Results Number of cases (%)
Aneurysm diameter 50.9±9.8mm
Adverse events Note 3) Arterial occlusion, stenosis or injury 35 (1.1%)
Thrombosis or embolism 10 (0.3%)
Renal disturbance Note 2) 62 (1.9%)
Stroke 6 (0.2%)
Paraplegia /paraparesis 1 (0.03%)
Infection 7 (0.2%)
Rupture 0
Other complication 65 (2.0%)
Mortality 19 (0.6%)
Treatment-related deaths: 8 (arterial thrombosis & embolism)
Endoleak Total 457 (14.6%)
Type I 35 (1.1%)
(proximal 17, distal 15, unknown 3)
Type II 395 (12.7%)
Type III 25 (0.8%)
Type IV 2 (0.1%)
Note 1) Cases whose conditions from the time before treatment up to the discharge have all been registered
Note 2) Creatinine level ≥ 1.20 mg/dl
Note 3) Onset or progression during the follow-up period