Related by context. All words. (Click for frequent words.) 69 descending thoracic 69 Carotid artery 67 superficial femoral 66 balloon dilation 66 transcatheter closure 64 thoracic aortic 64 Transcatheter 64 endoluminal 64 transesophageal 64 liver resection 64 thoracic aortic aneurysms 64 Resection 64 transthoracic 64 valvuloplasty 64 endothelial keratoplasty 64 sutureless 64 tricuspid valve repair 64 repair TEVAR 64 minimally invasive mitral valve 64 intramedullary nailing 63 pulmonary artery banding 63 transesophageal echocardiography 63 Coronary Artery Bypass Graft 63 Dacron graft 63 percutaneous transluminal coronary angioplasty 63 ischemic mitral regurgitation 63 Aortic 63 Arthroscopic 63 treating abdominal aortic 63 septoplasty 63 percutaneous vertebroplasty 63 abdominal aortic 63 Fontan procedure 63 fracture fixation 63 Septal 63 nerve decompression 63 aortic root replacement 62 coil embolization 62 posterior cervical 62 sacrocolpopexy 62 median sternotomy 62 transapical 62 arteriotomy 62 occlusive disease 62 Percutaneous 62 arthroscopic rotator cuff 62 TLIF 62 Aortic Valve 62 REMINDER ORLive Presents 62 thoracic aortic aneurysm 62 mitral valve replacement 62 lumbar spine fusion 62 coarctation 62 total knee arthroplasties 62 pulmonic valve 62 Evalve MitraClip R 62 functional mitral regurgitation 62 ostial 62 bioprosthesis 62 Edwards SAPIEN 62 OPCAB 62 keratoplasty 62 arterial aneurysms 62 anastomotic devices 62 meniscectomy 62 ATS Simulus R 62 obstructive lesions 62 anastomotic 61 distal biceps 61 renal biopsy 61 Arteriovenous 61 pacemaker implantation 61 balloon valvuloplasty 61 fundoplication 61 GORE TAG ® 61 Carotid 61 Thoracic Endoprosthesis 61 angioplasty stenting 61 scleral buckling 61 carotid endarterectomy CEA 61 mitral 61 myotomy 61 Angiographic 61 balloon dilatation 61 esophageal resection 61 percutaneous interventions 61 Embolic Protection System 61 tricuspid valves 61 Balloon Kyphoplasty 61 mitral valve repair 61 osteotomies 61 Vitrectomy 61 adrenalectomy 61 Cholecystectomy 61 chondral 61 computed tomographic angiography 61 Coronary artery bypass grafting 61 prospective multicenter study 61 Anti Bacterial Envelope 61 Mitral valve 61 stent DES 61 Total Knee Replacement 61 Intracranial 61 distal femoral 60 extra articular 60 infrapopliteal 60 Nonsurgical 60 Coronary artery bypass graft 60 stent placement 60 endovascular repair 60 GORE TAG Device 60 annuloplasty 60 AneuRx 60 microcatheters 60 Aortic valve 60 deformity correction 60 Pivotal Clinical Trial 60 aneurysms AAA 60 anastomoses 60 coronary arteriography 60 distal femur 60 Coronary artery bypass 60 stent grafting 60 descending thoracic aorta 60 femoral popliteal 60 endovascular aneurysm repair 60 endoscopic retrograde cholangiopancreatography ERCGrant Parpan 60 Cribier Edwards 60 cryosurgical treatment 60 percutaneous aortic valve 60 thoracic aorta 60 Percutaneous vertebroplasty 60 atrial septal defects 60 coronary carotid 60 MR Angiography 60 endoluminal stent graft 60 bypass grafting 60 transthoracic echocardiography 60 meniscal repair 60 cholecystectomies 60 minimally invasive endovascular 60 mitral stenosis 60 AV fistula 60 endovascular therapy 60 Artificial Disc 60 minimally invasive percutaneous 60 digital subtraction angiography 60 paracentesis 60 lumbar fusions 60 bypass grafts 60 GORE TAG 60 CTO recanalization 60 intraocular lens implantation 60 carotid artery stent 60 endoleaks 60 hip arthroscopy 60 Fixation System 60 VATS lobectomy 60 lumbar discectomy 60 artery bypass 60 lung resection 60 annuloplasty rings 60 transabdominal 60 Drug Eluting 60 CardioPass 60 Pharos Vitesse 60 mitral valves 60 coronary intervention 60 Transurethral 59 incisionless 59 saphenous vein grafts 59 abdominal aneurysms 59 cannulated 59 thymectomy 59 Cordis Cypher 59 arthroplasties 59 thoracic endovascular aortic 59 peripheral arterial 59 atrioventricular block 59 labral repair 59 Bioabsorbable 59 WallFlex Biliary RX 59 carotid artery stenting CAS 59 unicompartmental knee replacement 59 symptomatic ischemic 59 myocardial revascularization 59 subacromial decompression 59 anterior lumbar interbody fusion 59 transmural 59 DIEP flap 59 Fundoplication 59 Cardiac Resynchronization Therapy 59 embolectomy 59 renal artery stenting 59 Adjustable Gastric Banding 59 biventricular 59 surgical aortic valve 59 TKAs 59 plication 59 Transvaginal 59 Radiographic 59 endoscopic ultrasonography 59 microcatheter 59 arthrodesis 59 Y Gastric Bypass 59 intraoperative complications 59 radiofrequency RF ablation 59 trabeculectomy 59 Coronary angioplasty 59 arterial grafts 59 transoral 59 AMPLATZER 59 Endurant 59 lumbar disc replacement 59 RVOT 59 Stabilimax 59 valvular 59 Novacor R 59 artery embolization 59 intramedullary 59 transurethral resection 59 Stenosis 59 laminectomies 59 stent implantation 59 inguinal hernia repair 59 coronary bypass grafting 59 Embolic Protection 59 transurethral 59 hepatic veins 59 EsophyX 59 recanalization 59 appendiceal 59 periprosthetic fractures 59 transplantation HCT 59 CryoValve SG 59 extracorporeal circulation 59 esophagogastric 59 valve implantation 59 Sirolimus eluting 59 carotid angioplasty 59 ablation procedures 59 endograft 59 proximal tibial 59 splenic artery 59 tenodesis 59 AMPLATZER R 59 thoracoscopic 59 lumbar spinal fusion 59 tibial tubercle 59 inserting stent 59 expanded polytetrafluoroethylene 59 endoprosthesis 59 popliteal artery 59 AF ablation 59 KYPHON Balloon Kyphoplasty 58 preoperative diagnosis 58 hypervascular tumors 58 aortic coarctation 58 penetrating keratoplasty 58 Functional Endoscopic Sinus Surgery 58 aortic arch 58 peripheral artery 58 CryoMaze 58 carotid artery ICA 58 carotid revascularization 58 interbody fusion 58 coronary sinus 58 artery bypass surgery 58 thoracolumbar spine 58 Angiogram 58 NAVISTAR R 58 Aneurysm Repair 58 posterolateral fusion 58 acromioclavicular 58 Européenne Mark 58 Lumbar Interbody Fusion 58 lumbar disc herniation 58 Spinal Disc 58 anterior spinal 58 parenchymal 58 antegrade 58 Hypertrophic 58 Catheter Ablation 58 aortic annulus 58 parathyroidectomy 58 talar dome 58 Minimally invasive 58 Ascendra 58 Anterior 58 surgical ablation 58 Adjustable Gastric Band 58 descending aorta 58 urological procedures 58 Coherex FlatStent 58 reoperations 58 saphenous vein graft 58 patients undergoing percutaneous 58 coronary artery bypass grafts 58 distal biceps tendon 58 ventricular septal defects 58 autologous chondrocyte implantation 58 reinnervation 58 coronary atherectomy 58 femoral stem 58 hemiarthroplasty 58 Endoscopic 58 tibial shaft 58 thrombus removal 58 reoperation 58 biliary tree 58 tricuspid 58 unicompartmental 58 Peripheral Arterial 58 aneurysmal 58 stent graft 58 Microvascular 58 malposition 58 cataract extraction 58 mitral repair 58 primary patency 58 arthroscopies 58 Multidetector CT 58 stent graft placement 58 leiomyomas 58 microdiscectomy 58 anastomotic leaks 58 Endoluminal 58 gynecologic procedures 58 pelvic lymph node dissection 58 Humeral 58 arteriography 58 hepatectomy 58 EverFlex 58 bioprosthetic 58 robotically assisted 58 Renal Artery 58 Minimally Invasive 58 infrarenal 58 distal radius fractures 58 balloon kyphoplasty procedure 58 annuloplasty ring 58 excisional 58 Talent Abdominal 58 rotator interval 58 partial meniscectomy 58 mediastinitis 58 Percutaneous Transluminal Coronary Angioplasty 58 Vertebral 58 homograft 58 dorsalis pedis 58 AAA Endoprosthesis 58 cerebral angiography 58 Kyphoplasty 58 proximal femoral 58 CT Angiography 58 Endoscopic ultrasound 58 septal defect 58 endovascular coiling 58 tracheal intubation 58 regenerating cartilage 58 endovenous ablation 57 carotid artery stenting 57 laser trabeculoplasty 57 total abdominal hysterectomy 57 bypass graft CABG surgery 57 decompressive 57 guided percutaneous 57 Abdominoplasty 57 myomas 57 transfemoral 57 septal 57 keratectomy 57 Total Hip Arthroplasty 57 transforaminal 57 sternotomy 57 revascularized 57 cardiopulmonary bypass CPB 57 GEM OS2 57 vertebral compression fracture 57 percutaneous nephrolithotomy 57 arterio venous 57 intrathoracic 57 Fully Covered Stent 57 S. aureus sepsis 57 Cypher Sirolimus 57 pseudoaneurysm 57 percutaneous catheter 57 cervical thoracic 57 Intraoperative 57 stent grafts 57 osteochondral 57 Guidewires 57 artery stenosis 57 stented vessel 57 macular holes 57 arteriovenous graft 57 Thoracoscopic 57 Tibial 57 epicardial 57 sympathectomy 57 Vertebroplasty 57 vertebral augmentation 57 self expanding nitinol 57 Endologix Powerlink System 57 Carotid Artery 57 percutaneous intervention 57 pedicle screws 57 vertebral compression fractures 57 coronary stenting 57 artificial arteriovenous dialysis 57 transapical aortic valve 57 Coronary stents 57 risk reducing salpingo 57 computed tomographic scan 57 nonsurgical procedure 57 distal anastomosis 57 extrapleural pneumonectomy 57 atrial arrhythmias 57 CABG coronary artery 57 Robot Assisted 57 unicompartmental knee 57 treated nonsurgically 57 Embolic Protection Device 57 x ray angiography 57 cobalt chromium stent 57 AMPLATZER ® 57 Mitroflow 57 resections 57 Bronchoscopy 57 prostate TURP 57 anterior cervical discectomy 57 ascending aortic 57 GORE VIABAHN ® 57 ORLive Presents 57 antireflux surgery 57 Transcatheter aortic valve implantation 57 labral 57 suture anchor 57 noncoronary 57 percutaneous coronary interventions 57 Occluder 57 customizable drug eluting 57 Express2 TM paclitaxel eluting 57 vascular occlusion 57 hepatic arterial 57 LVAS 57 Abciximab 57 valve replacements 57 Chronic Total Occlusions 57 antireflux 57 allogeneic hematopoietic cell 57 Stenting 57 transcranial Doppler ultrasound 57 anatomical fixation 57 cervical fusion 57 laparoscopic Roux en 57 computed tomographic 57 HeartMate II LVAS 57 cobalt chromium alloy 57 arteriovenous malformations 57 Mitral Valve 57 Postoperative 57 death dissection perforation 57 contractile function 57 Platinum Chromium 57 paclitaxel eluting 57 cranioplasty 57 Balloon kyphoplasty 57 mm Stent 57 Hernia Repair 57 pathologic correlation 57 stenoses 57 perfusion defects 57 suprarenal 57 Absorbable 57 mitral annular 57 minimally invasive outpatient 57 total hip arthroplasty 57 duplex ultrasonography 57 less invasive laparoscopic 57 uncemented 57 Pericardial 57 TAXUS Stents 57 Mitral Valve Repair 57 Ventricular 57 lateral femoral condyle 57 metaplasia 57 directed thrombolysis 57 thoracoscopic lobectomy 57 coronary angioplasty procedures 57 endovascular stent 57 pyeloplasty 57 defibrillator implant 57 percutaneously 57 diagnostic arthroscopy 57 ATS 3f Aortic Bioprosthesis 57 Clinical Relevance 57 vertebrobasilar 57 femoral fractures 57 arteriovenous access 57 cardiac resynchronisation therapy 57 Bone Graft 57 cartilage lesions 57 Abbott bioabsorbable everolimus eluting 57 Cardiopulmonary bypass 57 occlusion CRVO 57 ankle arthrodesis 57 capsulotomy 56 dural 56 Patent Foramen Ovale 56 subchondral bone 56 graft occlusion 56 peripheral vasculature 56 vein ablation 56 Restenosis 56 computed tomography angiography 56 TRAM flap 56 Left Ventricular Assist Device 56 Distal Radius 56 coronary revascularization 56 hepatic lesions 56 angioplasty stents 56 intimal hyperplasia 56 osteoid osteoma 56 Ultrasonography 56 Hemodynamic 56 urethroplasty 56 decompressive laminectomy 56 Doppler echocardiography 56 distal radius 56 transcatheter aortic valve 56 Randomized Clinical Trial 56 percutaneous 56 Levacor TM 56 unicondylar 56 endovascular procedures 56 gastroduodenal 56 basilar artery 56 aortic wall 56 balloon angioplasties 56 femoral component 56 tricuspid valve 56 microcirculatory improvement helping 56 left ventricular LV 56 lumbar decompression 56 Biventricular 56 femoropopliteal 56 orthotopic liver transplantation 56 vasculopathy 56 longus tendon 56 Cardiac catheterization 56 Vertebral Compression Fractures 56 bronchogenic 56 Ureteral 56 IDET 56 colposuspension 56 aortic stent grafts 56 supraspinatus 56 cerebral angiogram 56 minimally invasive gynecologic 56 Femoral 56 plain radiographs 56 Endoprosthesis 56 inguinal hernias 56 Duodenal 56 Transcatheter Aortic Valve Implantation 56 intracoronary 56 Carotid endarterectomy 56 OsseoSpeed 56 photocoagulation 56 Carotid Stenting 56 Intra operative 56 endoscopic retrograde 56 Patients Undergoing 56 heterotopic bone 56 video assisted thoracoscopic 56 STARFlex 56 fibrin glue 56 sonographically guided 56 scleral 56 Drug Eluting Stents 56 DIEP 56 publicists Mara Buxbaum 56 Microwave Ablation System 56 cerebral vasospasm 56 atrioventricular 56 laparascopic 56 ultrasonographic 56 Crystalens AO 56 crossclamp 56 Bankart lesion 56 stenting procedures 56 radical retropubic prostatectomy 56 Stent Grafts 56 prosthetic valve 56 bifurcated lesions 56 nephrectomies 56 MitraClip device 56 Cystectomy 56 replacement PAVR 56 Ebstein anomaly 56 branch retinal vein 56 Transoral 56 degenerative lumbar 56 thrombosed 56 minimally invasive aortic valve 56 evaluate ZFP Therapeutic 56 endovascular aneurysm repair EVAR 56 intra operatively 56 pseudoaneurysms 56 hypoplastic 56 ATS CryoMaze TM 56 thoracentesis 56 Advanced Microspheres 56 Cardioblate 56 liquid embolic 56 CABG procedures 56 revascularisation 56 TAXUS Express2 paclitaxel eluting 56 medial compartment 56 transcatheter 56 aortic valve stenosis 56 NOTES Natural Orifice 56 calcaneal fractures 56 Coronary Artery Bypass Grafting 56 CABG Surgery 56 mitral valve surgery 56 cobalt chromium 56 Amplatzer 56 device LVAD 56 undergoing cardiac catheterization 56 intramedullary nail 56 Intra articular 56 vaginal incision 56 intracardiac 56 acetabular fracture 56 vertebral discs 56 Repliform 56 Diamondback #deg 56 articular surface 56 laparoscopically assisted 56 glenohumeral joint 56 incisional 56 primary anastomosis 56 MGuard ™ 56 BioSTAR ® 56 Hip Replacement System 56 aortic root 56 cardioplegic arrest 56 femoroacetabular impingement 56 hip arthroplasty 56 Breast Biopsy 56 KyphX 56 Venous 56 PATHFINDER R 56 angiographically 56 percutaneous valve 56 postoperative atrial fibrillation 56 aortic 56 biventricular pacemaker 56 laparoscopic adjustable gastric banding 56 intermittent pneumatic 56 MGuard TM 55 arthroscopic procedures 55 function DGF 55 total knee arthroplasty 55 MR angiography 55 patients undergoing CABG 55 peripheral vascular stent 55 endoscopic mucosal resection 55 minimally invasive spinal 55 Spinal System 55 Tracheostomy 55 minimally invasive orthopedic 55 nephron sparing surgery 55 catheters guidewires 55 RF Kyphoplasty 55 cartilage defects 55 sonographic examinations 55 Computed tomography 55 DSEK 55 percutaneous coronary 55 transient elastography 55 mechanical thrombectomy 55 biceps tenodesis 55 truncal 55 Transesophageal 55 microsurgical 55 esophagectomy 55 Embolization 55 urethral strictures 55 recombinant tissue plasminogen 55 anterior resection 55 arthrography 55 tenotomy 55 endovascular stent graft 55 Esophageal 55 cardiac revascularization 55 talar 55 microvascular decompression 55 tibial osteotomy 55 vascular ultrasound 55 Strattice ™ 55 subscapularis 55 atraumatic 55 Bonati Procedures 55 segmentectomy 55 TECNIS ® 55 Adhesions 55 adenoidectomy 55 false lumen 55 diaphyseal 55 percutaneous procedures 55 osteobiologic 55 Preoperative 55 INTELLITEMP ® 55 Patency 55 PORT ACCESS 55 coronary interventions 55 coronary revascularization procedures 55 Thrombus Aspiration 55 AngioJet thrombectomy 55 NearVision CK 55 IntraLase laser 55 implantations 55 Augment ™ 55 Meniscal 55 vascularization 55 STARFlex R 55 biliary stents 55 everolimus eluting stents 55 urethral stricture 55 patellofemoral 55 CABG surgery 55 abdominal hysterectomy 55 PSD Veritas 55 embolic protection device 55 humeral 55 resection cavity 55 StomaphyX 55 surgical revascularization 55 percutaneous transluminal 55 Accelerated Partial Breast Irradiation 55 atherosclerotic renal artery stenosis 55 ablations 55 laproscopic 55 Sleeve Gastrectomy 55 occluders 55 Thrombectomy 55 neointimal hyperplasia 55 intraluminal 55 carotid artery stenosis 55 osteosynthesis 55 denervation 55 endovenous laser 55 wedge resection 55 colon resection 55 disc arthroplasty 55 benign prostatic hyperplasia enlarged 55 revascularization procedures 55 Robotic Assisted 55 degenerative spondylolisthesis 55 spinal metastases 55 Antibiotic prophylaxis 55 laparoscopic surgical 55 laparoscopic radical prostatectomy 55 Nitinol Stent 55 noncardiac surgery 55 toric IOL 55 Unicompartmental 55 gynecologic surgery 55 osteochondral lesions 55 LapBand 55 Balloon sinuplasty 55 Bypass Surgery 55 minimally invasive interventional 55 coronary vessels 55 Nissen fundoplication 55 Grafts 55 shoulder arthroplasty 55 ileal 55 transvenous 55 elective PCI 55 laparoscopic colon 55 Hyperparathyroidism 55 percutaneous mitral valve 55 cardioverter defibrillator 55 bone grafting procedures 55 endobronchial 55 thyroidectomy 55 Ischemic 55 RALP 55 echocardiographic 55 thrombus aspiration 55 percutaneous aortic 55 laminectomy 55 postoperative complication 55 brain tumor resection 55 Contrast Enhanced 55 interventional neuroradiologists 55 Stent Graft 55 Ablation 55 interstitial brachytherapy 55 CorMatrix ECM 55 venography 55 iliac 55 ischemic cardiomyopathy 55 atrial septal 55 Coronary Angiography 55 guiding catheters 55 carotid stents 55 T1 weighted images 55 Surgical Mesh 55 TORS 55 synthetic grafts 55 Ectopic 55 minimally invasive cardiac 55 Chris Kanarick 55 Forward Looking IVUS 55 endovascular interventions 55 perioperative mortality 55 extracranial 55 carotid surgery 55 electrophysiologic 55 venous reflux 55 lumbar fusion 55 jejunal 55 artery stenting 55 lumbar spinal 55 femoral neck fracture 55 retransplantation 55 TAXUS Liberté stent 55 osseointegration 55 pericardial effusion 55 IVUS imaging 55 coronary catheterization 55 Intra arterial 55 intravesical therapy 55 lumbar laminectomy 55 Eluting Stent 55 Bioprosthesis 55 fixator 55 hydroxyapatite coated 55 Thrombolysis 55 urography 55 diagnostic catheterization 55 pelvic lymphadenectomy 55 SpyGlass System 55 balloon kyphoplasty minimally invasive 55 tissue ablation 55 popliteal 55 patients undergoing noncardiac 55 ureteric 55 Coronary Artery Bypass Surgery 55 plaque excision 55 Suture Anchor 55 proximal femur 55 FDA Approvals 55 cytoreductive surgery 55 urethral bulking agent 55 Groin hernias 55 vascular anatomy 55 intracerebral 55 Keratoplasty 55 myocardial ischemia 55 TURBT 54 CD HORIZON 54 ureteral 54 craniomaxillofacial 54 balloon expandable 54 endoscopic procedure 54 left ventricular dysfunction 54 catheter ablations 54 Tissue Matrix 54 Osteotomy 54 ERCP 54 sirolimus eluting 54 coronary artery bypass grafting 54 pulmonary hypoplasia 54 TEVAR 54 Autologous 54 iliac artery 54 stenotic 54 ureteroscopy 54 Surgical Ablation System 54 GORE HELEX Septal Occluder 54 abnormal uterine bleeding 54 underwent radical cystectomy 54 arteriovenous fistula 54 multicenter clinical trials 54 Balloon Catheters 54 Gets FDA Clearance 54 neointimal 54 underwent laparoscopic gastric 54 postsurgical 54 posterior lumbar interbody fusion 54 Infarct 54 Vascular Graft 54 pulmonary valves 54 lumbar interbody fusion 54 pulmonary stenosis 54 V3D Colon 54 abdominal aortic aneurysms AAA 54 Noor Almaleki underwent 54 pleural effusions 54 Abdominal Wall 54 Sapien XT 54 Sirolimus eluting Coronary Stent 54 L5 S1 54 distal tibia 54 intervertebral disc 54 coronary stent merged 54 Inguinal 54 neurointerventional 54 pulmonary angiography 54 chronic thromboembolic pulmonary 54 small keyhole incisions 54 spinal fusion procedures 54 pancreatic duct 54 Endothelial 54 ClosureFAST catheter 54 Surgical excision 54 intra aortic balloon 54 endoluminal stent graft ELG 54 atresia 54 AGA Medical AMPLATZER ® 54 embolizations 54 distal pancreatectomy 54 PFO migraine 54 tuberosity 54 postoperative mortality 54 Epi LASIK 54 symptomatic intracranial 54 Reconstructive Tissue Matrix 54 radical nephrectomy 54 vProtect TM Luminal Shield 54 catheter occlusion 54 Myocardial Infarction Study 54 XIENCE V PROMUS Stent 54 distensibility 54 Color Doppler 54 QuadraSphere 54 pretransplant 54 Single Incision 54 Fractional Flow Reserve 54 reimplantation 54 BioSTAR R 54 radiofrequency catheter ablation 54 Total Knee Arthroplasty 54 PICCs 54 Atom Stent 54 posterior spinal 54 vascular insufficiency 54 reintervention 54 Carotid artery stenting 54 Anterior Cervical 54 IMPELLA 54 JenaValve 54 eSVS MESH 54 total hip arthroplasties 54 GEM OS1 54 intraventricular 54 laser assisted lipolysis 54 occluded artery 54 minimally invasive arthroscopic 54 Delayed Graft Function 54 nonsurgical treatment 54 intertrochanteric 54 Capsular 54 CardioWest TAH t 54 pulmonary vasculature 54 mitral regurgitation MR 54 Cryoablation 54 carotid stenosis 54 Direct Visualization 54 angiography angioplasty 54 Burch colposuspension 54 endoscopic surgical 54 Allograft 54 SilverHawk Plaque Excision System 54 HeartMate R 54 PFO closure 54 fibroma 54 Autograft 54 Intravascular 54 restenotic lesions 54 artery occlusion 54 distraction osteogenesis 54 ventral hernias 54 minimally invasive techniques 54 Z plasty 54 renal artery stenosis 54 microcirculatory improvement 54 Polyzene R F 54 laparotomy 54 lobectomy 54 cartilage regeneration 54 Intracoronary 54 midline incision