Related by context. All words. (Click for frequent words.) 65 endoluminal 65 unblock clogged arteries 65 vascular anatomy 64 Minimally invasive procedures 63 Surgical excision 63 ablate tissue 63 invasive biopsy 62 percutaneous biopsy 62 Radiofrequency ablation 62 distraction osteogenesis 62 laparoscopic technique 62 endoscopic retrograde cholangiopancreatography ERCGrant Parpan 62 transabdominal 61 TOGA procedure 61 lumbar disk herniation 61 sternal closure 61 preoperative diagnosis 61 laparoscopic colorectal 61 transradial approach 61 gynecologic procedures 61 postoperative infections 61 laparoscopic nephrectomy 60 distal anastomosis 60 transmural 60 colon resection 60 indwelling catheters 60 valve implantation 60 anterior pelvic 60 spinal metastases 60 cardiac revascularization 60 postoperative morbidity 60 ultrasonographic examination 60 antireflux 60 minimally invasive therapies 60 tumor excision 60 excisional 60 surgical decompression 60 needle aspiration 60 ostial 60 thoracoscopic lobectomy 60 keratoplasty 60 osteoid 60 ablative therapies 60 esophagogastric 60 sonographic appearance 60 perioperative morbidity 59 Minimally invasive surgery 59 calcaneal fractures 59 tarsal tunnel 59 epidural abscess 59 endoscopic surgical procedures 59 bladder bowel 59 catheter ablations 59 reimplantation 59 Dr. Kountakis 59 carotid angioplasty 59 postoperative hemorrhage 59 endothelial keratoplasty 59 inhalational 59 Dr. Dean Toriumi 59 hypertrophic scarring 59 endoscopic retrograde 59 acute ischemia 59 postoperative complication 59 biliary obstruction 59 Cardiac catheterization 59 unsedated colonoscopy 59 ovarian malignancy 59 Mohs micrographic surgery 59 cerebral angiography 59 diagnostic modality 59 Steroid injections 59 colonoscopic 59 ablative therapy 59 arteriography 59 spontaneous regression 59 HIPEC 59 gum grafting 59 laparoscopic colon 59 heterotopic bone 59 carotid artery blockage 59 individualize therapy 59 discogenic pain 59 balloon dilatation 59 unruptured aneurysm 59 transoral 58 Balloon kyphoplasty 58 skin abscesses 58 refractive correction 58 adnexal masses 58 wavefront guided LASIK 58 intrathoracic 58 tortuosity 58 transvenous 58 nerve stimulators 58 chiropractic manipulation 58 severe hepatic dysfunction 58 adrenalectomy 58 transesophageal 58 dissolving clots 58 endoscopic surgical 58 valve prosthesis 58 articular cartilage defects 58 minimally invasive laparoscopic 58 anastomotic devices 58 arthrography 58 postoperative radiotherapy 58 intraoperative complications 58 scaphoid fractures 58 gastroduodenal 58 cardioplegic arrest 58 Mitral valve 58 polyp detection 58 nonpharmacologic 58 arteriotomy 58 endovascular therapy 58 VCUG 58 systemic toxicity 58 urethral stricture 58 tracheal intubation 58 Post operatively 58 Coronary artery bypass 58 upper gastrointestinal endoscopy 58 musculoskeletal ultrasound 58 sonographically guided 58 cecal intubation 58 Balloon sinuplasty 58 cannulation 58 percutaneous drainage 58 cervical fusion 58 arterial grafts 58 prehospital setting 58 nephrectomies 58 chronic LBP 58 endometrial biopsy 58 bone marrow aspiration 58 coronary catheterization 58 vascular abnormalities 58 intracranial stenosis 58 Balloon angioplasty 58 microdebrider 58 lymph node removal 58 truncal 58 EKG electrocardiogram 58 bone grafting procedures 58 sonographic diagnosis 58 da mage 58 ablations 58 pre operatively 58 mesenteric ischemia 58 skin sparing mastectomy 58 preoperative evaluation 58 transfemoral approach 57 adenoidectomy 57 sentinel lymph node biopsy 57 treat menorrhagia 57 endoscopic visualization 57 sonographic evaluation 57 Aggrastat ® tirofiban hydrochloride 57 LAGB 57 corneal graft 57 ischemic mitral regurgitation 57 sensory nerve fibers 57 thoracic aortic aneurysm 57 video assisted thoracoscopic 57 cardiopulmonary bypass CPB 57 intragastric balloon 57 diskectomy 57 smaller incisions 57 stratifying patients 57 catherization 57 oncologic outcomes 57 Abbott BVS 57 thymectomy 57 vitamin D analogs 57 HoLEP 57 Schlemm canal 57 laproscopic procedure 57 conventional angiography 57 cytoreductive surgery 57 primary spontaneous pneumothorax 57 minimally invasive technique 57 ductal lavage 57 transesophageal echocardiography 57 jugular venous 57 bioengineered tissue 57 cardiac perfusion 57 osseointegration 57 thoracentesis 57 capsulotomy 57 Mohs surgery 57 tumor resection 57 dosimetric 57 chondral 57 thoracic aortic 57 occipital nerve 57 cerclage 57 incisional 57 Dr. Cadeddu 57 sympathectomy 57 transarterial 57 Postoperatively 57 bimanual 57 neuro vascular 57 arthroscopically 57 trabeculectomy 57 anastomotic 57 biceps tenodesis 57 endoscopist 57 intra operatively 57 gynaecologic 57 perforated appendicitis 57 laparoscopies 57 hemoperfusion 57 peri procedural 57 renal calculi 57 metastatic lymph nodes 57 minimally invasive endovascular 57 extensor mechanism 57 endovascular aneurysm repair 57 prolonged immobilization 57 cytoreduction 57 scarless 57 lung biopsies 57 repair TEVAR 57 Dr. Cliby 57 AF ablation 57 bronchoscopic procedures 57 periprosthetic fractures 57 patients undergoing noncardiac 57 Achilles tendon ruptures 57 nonvascular 57 glenohumeral joint 57 interventional radiology procedures 57 vascular insufficiency 57 percutaneous cryoablation 57 infective endocarditis 57 axon regeneration 57 CT angiography CTA 57 surgically induced 57 coronary artery stenting 57 atrial arrhythmias 57 less invasive laparoscopic 57 vaginal hysterectomy 57 atrioventricular 57 minimally invasive laparoscopic surgery 57 paracentesis 57 coronary CTA 57 Endometrial ablation 57 nerve decompression 57 radiochemotherapy 57 sinonasal 57 nephron sparing surgery 57 endoscopic resection 57 cardiac ablation procedures 57 peritoneal 57 sacrocolpopexy 57 immune suppressive drugs 57 endometrial ablation 57 adenomyosis 57 osteoid osteoma 56 multifocal IOLs 56 calcified lesions 56 EBUS 56 atraumatic 56 osteochondral 56 electrostimulation 56 diagnose coronary artery 56 varicoceles 56 Optic nerve 56 suprapubic 56 intracavitary 56 Dr. Hovanesian 56 cardiopulmonary bypass surgery 56 BioCart ™ System 56 intimal hyperplasia 56 Smaller incisions 56 functional mitral regurgitation 56 remineralization 56 laser refractive 56 abdominal pelvic 56 bony metastases 56 epidural steroid injections 56 epicardial ablation 56 Lumbar spinal stenosis 56 nephron sparing 56 antimicrobial prophylaxis 56 gynecologic surgery 56 foam sclerotherapy 56 perioperative complications 56 androgen ablation 56 neovascularisation 56 angioplasty stenting 56 postsurgical 56 axillary dissection 56 color Doppler ultrasound 56 NSAID induced GI 56 balloon valvuloplasty 56 endoscopic ultrasound 56 Intussusception 56 spinal misalignments 56 Coronary angioplasty 56 angiography CTA 56 SIADH 56 distal embolization 56 Balloon Sinuplasty 56 endoscopic sinus surgery 56 anatomical abnormalities 56 hemodynamic instability 56 spinal manipulations 56 periarticular 56 subclinical disease 56 GI endoscopy 56 intracerebral haemorrhage 56 Photodynamic therapy PDT 56 degenerative spondylolisthesis 56 laparascopic 56 facial transplantation 56 Septic arthritis 56 less invasively 56 nonsurgically 56 fracture fixation 56 MR arthrography 56 ankle arthrodesis 56 neurosensory 56 laparascopic surgery 56 Duodenal 56 Virtual colonoscopy 56 Peritoneal dialysis 56 bladeless LASIK 56 femoral neck fracture 56 epithelial barrier 56 Radical prostatectomy 56 spinal pathologies 56 tibial plateau fractures 56 extrapleural pneumonectomy 56 Dr. Domanskis 56 Cystoscopy 56 noninvasive ventilation 56 MDCT angiography 56 corticosteroid injection 56 single incision laparoscopic 56 transnasal 56 laparoscopic bariatric surgery 56 paraspinal muscles 56 invasive diagnostic 56 oncological outcomes 56 Genetic predisposition 56 tissue ingrowth 56 laser lipo 56 inotropic agents 56 Cardiopulmonary bypass 56 conventional laparoscopy 56 synthetic grafts 56 nonoperative treatment 56 thermal ablation 56 abdominal hysterectomies 56 pelvic anatomy 56 gastric imbrication 56 functional endoscopic sinus 56 invasive angiography 56 neurosurgical procedure 56 malperfusion 56 KYPHON Balloon Kyphoplasty 56 telomerase inhibition 56 vascular occlusion 56 transrectal ultrasound guided 56 treating neuropathic pain 56 Prognostic factors 56 antiplatelet therapies 56 ureteroscopy 56 vertebrobasilar 56 diabetic ulcer 56 transurethral 56 antibiotic prophylaxis 56 fundoplication 56 preoperative intraoperative 56 intramedullary nails 56 unsightly veins 56 nonsurgical treatment 56 percutaneous intervention 56 ventilator weaning 56 acetabular fractures 56 sidebranch 56 radiographic imaging 56 extracranial 56 transforaminal 56 Coronary artery bypass graft 56 laparoscopic fundoplication 56 reoperations 56 gastro esophageal reflux 56 transrectal 56 stent graft placement 56 thoracoscopy 56 anticoagulant medications 56 gynecological procedures 56 decompressive surgery 56 blocked carotid arteries 56 coronary anatomy 55 unclog arteries 55 photocoagulation 55 vertebral subluxation 55 peripheral arterial 55 tenodesis 55 topical anesthesia 55 osteoporotic compression fractures 55 urethroplasty 55 neurovascular structures 55 surgical revascularization 55 sacral nerve stimulation 55 intraperitoneal chemotherapy 55 cardio pulmonary bypass 55 sonographic guidance 55 prostate TURP 55 AF ablation procedures 55 endonasal 55 laparoscopic bariatric 55 inflamed tissues 55 biologic grafts 55 LenSx laser 55 vertebral compression fractures VCFs 55 stent grafting 55 ligament laxity 55 endobronchial 55 endoscopic procedure 55 pa tients 55 gingiva 55 bowel bladder 55 liver metastasis 55 fibrocystic disease 55 percutaneous catheter 55 laparoscopic colectomy 55 coagulation abnormalities 55 periodontal therapy 55 mitral stenosis 55 phototoxicity 55 cervical cerclage 55 coracoid 55 thromboprophylaxis 55 reinnervation 55 Pulmonary artery 55 nonsurgical treatments 55 coblation 55 Hip resurfacing 55 thoracic aortic aneurysms 55 intraoperatively 55 decompensated cirrhosis 55 chronic venous insufficiency 55 GI bleeds 55 posterior cervical 55 valvuloplasty 55 embolic stroke 55 psychotherapeutic interventions 55 minimally invasive endoscopic 55 interoperative 55 limb salvage 55 scleral buckling 55 corneal diseases 55 pacemaker implantation 55 ophthalmology dermatology 55 nuchal 55 surgical debulking 55 intraventricular 55 TKAs 55 ligamentous laxity 55 reconstructive procedures 55 disc arthroplasty 55 fibrin deposition 55 tissue perfusion 55 pseudoaneurysm 55 Dr. Donnenfeld 55 antithrombotic therapy 55 bioprosthetic valve 55 oral anticoagulant therapy 55 laparoscopic techniques 55 ablating 55 mycotic 55 Minimally invasive 55 ureteric 55 chromosomal mutations 55 autologous tissue 55 postoperative AF 55 endoscopic examinations 55 oculoplastic 55 artificial sphincter 55 TRUS biopsy 55 postoperative infection 55 Dr. Cassian Yee 55 RapidArc treatments 55 tumescent liposuction 55 capillary leakage 55 pulmonary dysfunction 55 epidural analgesia 55 SPECT CT imaging 55 transapical approach 55 endocrine therapies 55 subclavian vein 55 myomas 55 mitral repair 55 haemo 55 thrombus formation 55 facial reanimation 55 thoracic surgeries 55 ablative resurfacing 55 radiosurgical 55 hip arthroscopy 55 intraoperative bleeding 55 computed tomographic 55 Accelerated Partial Breast Irradiation 55 pulmonary resection 55 ablative laser 55 aortic root replacement 55 Seewaldt 55 intravascular fluid 55 opioid analgesia 55 hemodilution 55 surgical debridement 55 pelvic lymphadenectomy 55 balloon sinuplasty 55 diathermy 55 endometrial lining 55 postoperative pulmonary 55 acute renal 55 acute hepatic 55 ischemia reperfusion 55 cystoscopic 55 Antibiotic prophylaxis 55 ulnar neuropathy 55 fundus photography 55 Spinal fusion 55 coronary vasculature 55 laparoscopic appendectomy 55 LapBand 55 saline infusion 55 topically applied gel 55 bone marrow biopsies 55 x ray angiography 55 rhizotomy 55 catheter angiography 55 TomoDirect ™ 55 TEVAR 55 recurrent laryngeal nerve 55 explantation 55 metaplasia 55 Candida infection 55 systemic hypotension 55 multidetector row 55 plication 55 venous thromboembolic disease 55 sternotomy 55 undergoing hysterectomy 55 empiric therapy 55 Dr. Miguel Valderrabano 55 trochanteric 55 pain syndromes 55 allogeneic HSCT 55 small keyhole incisions 55 femtosecond lasers 55 AV fistulas 55 PLX STROKE targeting 55 microwave hyperthermia 55 vaginal epithelium 55 wedge resection 55 percutaneous vertebroplasty 55 neurologic deficits 55 capsular contracture 55 infantile hemangiomas 55 microkeratome blade 55 abdominal hysterectomy 55 scarless surgery 55 androgen signaling 54 intraperitoneal therapy 54 nitinol stents 54 ablate cardiac tissue 54 Mitral valve repair 54 decortication 54 Haemacure fibrin sealant 54 brain tumor resection 54 radiopacity 54 laproscopic 54 pessary 54 intraluminal 54 treating cancerous tumors 54 lung epithelium 54 regenerative therapy 54 corneal incisions 54 orthopedic spinal 54 Gall bladder 54 kidney urologic 54 hyperalgesia 54 aseptic technique 54 pupillary 54 MRgFUS 54 DHEA supplementation 54 seroma 54 radiation therapy SBRT 54 Lymph node 54 tissue oxygenation 54 Corticosteroid injections 54 urologic surgeons 54 laparoscopic cholecystectomy 54 infiltrative 54 unicompartmental knee arthroplasty 54 cardiac catherization 54 noninvasive ultrasound 54 Dr. Sharonne Hayes 54 non ablative 54 chemoembolization 54 corticosteroid injections 54 distal femoral 54 thoracoscopic 54 nonischemic 54 noninvasive painless 54 uterine fibroid 54 acupoint stimulation 54 nonfusion 54 Stabilimax NZ 54 electrocautery 54 vitro maturation IVM 54 adjuvant therapies 54 manual lymphatic drainage 54 malposition 54 frameless radiosurgery 54 cartilage defects 54 epididymal 54 abdominal ultrasounds 54 anticoagulant medication 54 uterine fibroid tumors 54 Androgen deprivation therapy 54 maturational 54 antiplatelet medications 54 minimally invasive outpatient 54 Carotid artery stenting 54 antiarrhythmic medications 54 radiofrequency RF energy 54 cautery 54 Radio Frequency Ablation 54 Dr. Kallmes 54 ascending aortic 54 radiofrequency RF 54 catheterisation 54 abnormal uterine bleeding 54 therapeutic armamentarium 54 Cykiert 54 hip resurfacing arthroplasty 54 hemodynamically stable 54 coronary revascularization procedures 54 radicular 54 appendiceal 54 radiographic findings 54 glial tumors 54 gauge vitrectomy 54 antegrade cerebral perfusion 54 cartilaginous tissue 54 urodynamic 54 thromboembolic disease 54 symptomatic paroxysmal AF 54 meniscal repair 54 wound dehiscence 54 posttraumatic arthritis 54 treating uterine fibroids 54 venous ulcers 54 axillary node 54 tonsil removal 54 thrombotic complications 54 atrial tachyarrhythmias 54 colon perforation 54 endovascular interventions 54 Coronary CT angiography 54 necrotic tissue 54 Synchrony lens 54 nodal metastasis 54 perfusion MRI 54 Myerburg 54 levodopa induced 54 ophthalmoscopy 54 thrombus aspiration 54 vitreo retinal 54 coil embolization 54 opacification 54 malabsorptive 54 including bariatric thoracic 54 SmartLipo Triplex 54 Liver transplantation 54 HDR brachytherapy 54 Urinary tract 54 sentinel node biopsy 54 pathologic fractures 54 pancreatic cysts 54 myocardial reperfusion 54 SpyGlass System 54 hilar 54 disk herniation 54 urethral strictures 54 RALP 54 Dr. Kauvar 54 body contouring procedure 54 cranio 54 transcutaneous 54 lumbar spine fusion 54 excisional biopsy 54 vitreoretinal 54 Nonsurgical 54 radiographic outcomes 54 limbal stem cells 54 microwave ablation 54 liposome formulation 54 endovascular coiling 54 ablation procedures 54 chemosensitivity 54 internal thoracic artery 54 lymphatic massage 54 venous reflux 54 angiogenic therapy 54 Islet transplantation 54 extracorporeal shock wave lithotripsy 54 prophylactic mastectomies 54 anatomic landmarks 54 immunosuppressive regimens 54 revascularization procedure 54 pyridostigmine 54 chronic leukemias 54 renal scarring 54 pancreatic cyst 54 monofocal 54 Body contouring 54 DALK 54 severe mitral regurgitation 54 intravenous sedation 54 Stereotactic radiosurgery 54 acute myocarditis 54 chiropractic adjustment 54 pulmonary artery banding 54 erythema edema 54 RNFL 54 primary hyperparathyroidism 54 postoperative radiographs 54 aortic coarctation 54 lipo dissolve 54 percutaneous nephrolithotomy 54 transthoracic 54 neuropsychological impairments 54 pharmacologic stress 54 cosmetically acceptable 54 arthroscopic surgical 54 pelvic radiotherapy 54 donor nephrectomy 54 conformal radiotherapy 54 Cervical spine 54 sequela 54 re epithelialization 54 nonoperative 54 prostate carcinoma 54 idiopathic pulmonary 54 dissolvable sutures 54 Littrup 54 osteoporotic vertebral compression fractures 54 multifactorial disease 54 anterior vertebral 54 lumbar interbody fusion 54 atrial fibrillation ablation 54 sacral neuromodulation 54 attenuation correction 54 fibrocystic 54 Spinal manipulation 54 trans urethral resection 54 septoplasty 54 pharmacological therapies 54 atherosclerotic coronary 54 meningeal 54 radiosurgery treatments 54 Hyperbaric oxygen 54 benign biliary strictures 54 Bone marrow transplantation 54 percutaneous coronary 54 microsurgical techniques 54 antireflux surgery 54 saphenous vein 54 HeartNet 54 uterine abnormalities 54 midline incision 54 hyaline cartilage 54 tibial nerve 54 Nasal polyps 54 node dissection 54 myocardial revascularization 54 dural 54 postoperative chemotherapy 54 natural orifice translumenal 54 corneal astigmatism 54 Bed sores 54 fibroma 54 dosing frequency 54 non resectable liver 54 inhaled anesthetics 54 Ebstein anomaly 54 perfusion abnormalities 54 epigastric 54 resynchronization therapy 54 AngioSculpt Scoring Balloon Catheter 54 hypervascular tumors 54 Bankart lesion 54 TUMT 54 benign uterine 54 Surgical resection 54 endoscopic ultrasonography 54 valvular 54 discogenic 54 urinary blockage 54 chemical peels microdermabrasion 54 lymphatic mapping 54 vertebral compression fracture 54 transfusion syndrome 54 proximal femur 54 arterial catheter 54 orthopedics neurosurgery 54 graft patency 54 suprarenal 54 full thickness plication 54 clot busters 54 canaloplasty 54 uterine perforation 53 osteoconductive 53 thoracic endovascular aortic 53 preemptive analgesia 53 antegrade 53 RF ablation 53 metabonomics 53 pre malignant lesions 53 incisionless 53 noninvasive imaging 53 osteoporotic bone 53 immunosuppressive therapies 53 electrophysiologic 53 Computed tomography 53 prospective multicenter study 53 catheter insertions 53 flexible bronchoscope 53 clot dissolving 53 histopathologic examination 53 deep peroneal nerve 53 CMV infections 53 haemodynamic 53 skeletally immature patients 53 histological examination 53 leiomyomas 53 cardiac tamponade 53 hysteroscopy 53 inotropes 53 breast abscesses 53 mediastinitis 53 vaginal hysterectomies 53 electro acupuncture 53 epidural steroid injection 53 Cholecystectomy 53 intravascular stent 53 postsurgical pain 53 repigmentation 53 defibrillator implantation 53 Interventional radiology 53 neuro stimulation 53 partial meniscectomy 53 lymphomas leukemias 53 retroperitoneal 53 superficial venous 53 liver resection 53 anti angiogenic agents 53 unicompartmental 53 turbinate 53 basal cell cancers 53 gadolinium enhanced 53 Heavy menstrual bleeding 53 minimally invasive arthroscopic 53 joint arthroplasty 53 urothelial cancer 53 stent insertion 53 angiographically 53 incisional hernias 53 esophageal perforation 53 pharmacologic approaches 53 Anti inflammatories 53 arterial occlusion 53 laparoscopic surgical procedures 53 limb sparing 53 pleural effusions 53 vascular dysfunction 53 abdominal ultrasound 53 organ perfusion 53 BPH benign prostatic 53 noninvasive outpatient 53 DVT PE 53 undergoing elective 53 osteogenesis 53 fibrocystic breast 53 elective PCI 53 labral 53 hamartoma 53 mucosal tissue 53 unblock arteries 53 endovascular aneurysm repair EVAR 53 microtrauma 53 imexon 53 prostate bladder 53 urolithiasis 53 saphenous veins 53 femoral tunnel 53 antiphospholipid syndrome 53 colon rectal 53 laparoscopic partial nephrectomy 53 VATS lobectomy 53 tricuspid regurgitation 53 intraobserver 53 histologic findings 53 thoracolumbar spine 53 Fluid retention 53 pituitary hormone 53 wound debridement 53 neurologic sequelae 53 cranial irradiation 53 minimally invasive 53 varus deformity 53 Coronary angiography 53 artery stenosis 53 Epley maneuver 53 mucous membrane lining 53 orthopedics pediatrics 53 haematomas 53 MMP inhibitors 53 extracapsular 53 otology 53 pelvic ultrasound 53 lung resection 53 transrectal ultrasound 53 Lisofylline 53 arthroscopic procedures 53 corneal ectasia 53 keratectomy 53 treat brain aneurysms 53 color Doppler 53 perineural 53 ADPKD patients 53 chronic osteomyelitis 53 arteriovenous fistula 53 fibroadenomas 53 occlusive disease 53 pedicle screw placement 53 vertebral bodies 53 arachnoiditis 53 fluoroscopically guided 53 rebleeding 53 abdominal adhesions 53 osteotomies 53 obstructive CAD 53 interventionalist 53 axillary node dissection 53 postsurgery 53 anatomic abnormalities 53 dose ionizing radiation 53 pseudotumor 53 biologic plausibility 53 anterior spinal 53 periodontal tissue 53 elevated IOP 53 cardiovascular disease osteoporosis 53 ICD implantation 53 swelling stiffness 53 abdominal aortic 53 perfusion imaging 53 phaco 53 NMES 53 bifurcation stent 53 adenomatous 53 cerebral ischemia 53 paclitaxel eluting stents 53 chemo therapy 53 endoscopy procedure 53 collagen crosslinking 53 Mechanical ventilation 53 meniscal tears 53 acetabular dysplasia 53 poststroke depression 53 spectral Doppler 53 interstitial fluid 53 jejunal 53 stellate ganglion block 53 suppurative 53 rtPA 53 Pelvic floor 53 preterm neonates 53 ALI ARDS 53 Thyroid disorders 53 renal parenchyma 53 adrenal suppression 53 postprocedure 53 invasive catheter 53 intravascular hemolysis 53 β blockers 53 callus formation 53 morphologic characteristics