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(Click for frequent words.) 66 electroencephalographic EEG 65 electrocardiograms ECGs 64 electrocardiogram EKG 63 electromyographic EMG 62 electroencephalograms EEG 62 SPECT CT imaging 62 electroencephalograms 62 Electrophysiological 61 electroencephalographic 61 electrocardiography ECG 61 EKG readings 61 electrocardiographic 61 transcranial Doppler 61 esophageal pH 60 transesophageal echocardiography TEE 60 Echocardiogram 60 electrograms 60 transcranial Doppler ultrasound 60 transesophageal echocardiography 60 tomography scans 60 tracheal intubation 60 angiographically 59 percutaneous biopsy 59 intracardiac 59 electromyographic 59 holter monitoring 59 endoscopic retrograde cholangiopancreatography ERCGrant Parpan 59 electrocardiographs 59 evoked potentials 59 Holter monitor 59 urodynamic studies 59 ictal 59 ECG gated 58 color Doppler 58 Electrocardiogram ECG 58 audiometric 58 FDG PET CT 58 computed tomographic scans 58 urodynamic 58 transrectal ultrasound guided 58 color Doppler ultrasound 58 nondiagnostic 58 chest radiographs 58 Alternans 58 sonographic examination 58 cardiac repolarization 58 SpCO 58 somatosensory evoked potentials 58 radionuclide imaging 58 computerized tomography scan 57 perfusion MRI 57 NHAMCS 57 Color Doppler 57 functional MRI fMRI 57 transthoracic echocardiography 57 Magnetic resonance 57 PSGs 57 computerized tomography scans 57 electroencephalograph EEG 57 endoscopic retrograde 57 cardiac troponin 57 prospective multicenter study 57 laser Doppler 57 fundus photography 57 Electromyography 57 Cardioscan 57 electroencephalograph 57 electrophysiologic 57 Tissue Doppler 57 ultrasonographic examination 57 EEGs 57 ventricular tachycardia VT 57 Scintigraphy 57 sustained ventricular tachycardia 57 cerebral angiography 56 multidetector row 56 Abdominal ultrasound 56 cardioverter defibrillator 56 color Doppler sonography 56 electrocardiogram ECG 56 cardiac perfusion 56 Computed tomography 56 chest radiography 56 neuropsychological assessment 56 hemodynamic variables 56 cardiac conduction 56 Coronary Angiography 56 underwent coronary angiography 56 electrocardiography 56 tachyarrhythmias 56 Ultrasonography 56 postoperative complication 56 OptiVol 56 neuromuscular electrical stimulation 56 pathologic examination 56 QTc prolongation 56 Medtronic CareLink Network 56 Hemodynamic 56 abdominal ultrasound 56 Holter monitors 56 fluoroscopic images 56 ovarian malignancy 56 MDCT angiography 56 monophasic 56 transrectal ultrasound 56 Electrocardiogram 56 otoacoustic emissions 56 autonomic dysfunction 56 Ventricular Tachycardia 55 Positron emission tomography PET 55 sonographically guided 55 fundus camera 55 paraspinal 55 pressure monitoring ABPM 55 coronary artery stenosis 55 ventricular arrhythmia 55 cerebral oximetry 55 Embolic Protection Device 55 computed tomographic 55 electrodiagnostic 55 ECGs 55 Optical Coherence Tomography 55 dobutamine stress 55 esophageal manometry 55 cortical activation 55 DynaCT 55 neurophysiologic 55 tomography imaging 55 Doppler ultrasonography 55 angiography CCTA 55 Doppler sonography 55 oculomotor 55 cardioplegic arrest 55 Electrocardiography 55 contrast echocardiography 55 Vasotrac 55 radiographic imaging 55 ECG waveforms 55 CT perfusion 55 ventricular fibrillation VF 55 Radiographic 55 radiographic examinations 55 electrophysiological 55 neurosensory 55 electromyography 55 ICD shocks 55 EEG recordings 55 electromyogram 55 echocardiographic 55 Intravascular Ultrasound IVUS 55 hemodynamic parameters 55 transthoracic 55 Bispectral Index 55 near infrared spectroscopy 55 endoscopic examinations 55 Ebstein anomaly 55 MDCT scans 55 CT Angiography 55 polysomnographic 55 Skin sterol 55 iMRI 55 cardiac angiography 55 asystole 55 electrocardiograms ECG 55 Atrial 55 electrocardiograph ECG 54 Sonographic 54 transvaginal sonography 54 COR Analyzer System 54 EnSite System 54 Histopathologic 54 Echocardiograms 54 atrioventricular block 54 meta regression 54 PIB PET 54 near infrared spectroscopic 54 plethysmography 54 FDG-PET/CT 54 Ventricular fibrillation 54 interobserver 54 nephrectomies 54 rhythm disturbances 54 Intra operative 54 electroencephalography EEG 54 fluoroscopy guided 54 SoftView 54 implanted cardiac 54 Sysmex XE 54 cortical atrophy 54 Electroencephalography 54 urolithiasis 54 LATITUDE Patient Management 54 Intravascular 54 ECG 54 Doppler ultrasound 54 carotid ultrasound 54 cardiac tamponade 54 Brugada syndrome 54 acute aortic dissection 54 tomography scan 54 coronary catheterization 54 FDG PET imaging 54 transabdominal 54 Zargis Cardioscan 54 inferior parietal lobule 54 Histologic 54 Methods Retrospective 54 auscultation 54 coagulation abnormalities 54 sonographic examinations 54 antegrade cerebral perfusion 54 brain perfusion scans 54 fluorescein angiography 54 Lumbar Interbody Fusion 54 venography 54 resting ECG 54 pacemaker implantation 54 defibrillator implantation 54 sonographic evaluation 54 prolonged QT interval 54 imaging FMRI 54 coronary CTA 54 FFR measurements 54 Implantable Cardioverter Defibrillator ICD 54 histological examination 54 transcranial 54 Capsule endoscopy 54 bispectral index BIS 54 hyperacute 54 colonography 54 ECLS 54 EEG signals 54 F FDG PET 54 computed tomography scan 54 histologic examination 54 Medicsight ColonCAD 54 ultrasonographic 54 sonographic appearance 54 carotid artery stenosis 54 cryosurgical treatment 54 multislice 54 Perfusion CT 54 computed tomography angiography 54 brain glucose metabolism 53 implantable cardiac 53 Heavy menstrual bleeding 53 helical CT 53 microcirculatory 53 histrelin 53 defibrillator implant 53 Masimo Radical 7 53 sputum specimens 53 Angiogram 53 electroencephalograms EEGs 53 resonance imaging 53 VivaScope R 53 neurophysiological monitoring 53 acute myocardial ischemia 53 EEG electroencephalogram 53 microvessel 53 Myocardial Ischemia 53 histopathologic 53 Polysomnography 53 electromyography EMG 53 immunochemical 53 noninvasive diagnostic 53 anterior temporal 53 counterpulsation 53 brachial artery flow 53 histopathological examination 53 implanted pacemakers 53 sinus tachycardia 53 MEG magnetoencephalography 53 esophagogastroduodenoscopy 53 glaucomatous 53 endoscopic ultrasound EUS 53 pulsed Doppler 53 multifrequency 53 noninvasive cardiac 53 electroencephalogram 53 electrical impedance 53 positron emission 53 ventricular tachyarrhythmias 53 transtelephonic 53 Tasigna prolongs 53 bone scintigraphy 53 actigraphy 53 sinus node 53 dimensional ultrasonography 53 Afib 53 Vicor PD2i 53 induced sputum 53 ECG waveform 53 cardiac resynchronisation therapy 53 coronary computed tomography 53 nerve conduction 53 cerebral autoregulation 53 status epilepticus 53 excisional biopsy 53 Acoustic Monitoring 53 PD2i R 53 atrial arrhythmias 53 renal cysts 53 Pulse CO Oximeter 53 esophageal reflux 53 LRTI 53 Ultrasound imaging 53 cCTA 53 RT PCR assay 53 biomarker assay 53 NIR spectroscopy 53 pre operatively 53 scintigraphic 53 adrenalectomy 53 Echocardiographic 53 Positron emission 53 RVOT 53 syndromic 53 Electroencephalography EEG 53 bispectral index 53 Ultrasonographic 53 vascular insufficiency 53 pulmonary angiography 53 Hypotension 53 cerebral oximeter 53 wavelet transform 53 Secca System 53 fluoroscopic 53 x ray fluorescence 53 silent ischemia 53 defibrillators CRT Ds 53 Positron emission tomography 53 PET Positron Emission Tomography 53 gauge vitrectomy 53 spectrophotometric 53 Holter Monitor 53 FENO 52 dilations 52 arthrography 52 VCUG 52 Catheter Associated 52 chest radiograph 52 CARESCAPE Monitor B# 52 LDB CPR 52 Urinalysis 52 physiological parameters 52 Preoperatively 52 EtCO2 52 prehospital setting 52 Functional magnetic resonance 52 fetal echocardiography 52 optical coherence tomography OCT 52 functional MRIs 52 intravascular ultrasound IVUS 52 Status epilepticus 52 arterial grafts 52 CT angiograms 52 Computed Tomographic 52 Computed tomographic 52 computerized tomography CT 52 Defibrillation 52 computerized tomography CT scan 52 denervation 52 pneumatic compression 52 tachyarrhythmia 52 intrathoracic impedance 52 intraventricular 52 hemodynamic measurements 52 Arrhythmias 52 computed tomography scanning 52 acute myocardial infarction MI 52 intracoronary 52 radiofrequency catheter ablation 52 glucocorticoid therapy 52 catheter ablations 52 gadolinium enhanced 52 STEMI ST 52 thorough QT 52 Myocardial Perfusion Imaging 52 Vizilite 52 adnexal masses 52 tonometry 52 echogenic foci 52 duplex ultrasonography 52 Transesophageal 52 artery occlusion 52 Angiographic 52 photon laser 52 vessel occlusion 52 bronchoscopic 52 Bronchoscopy 52 bronchoalveolar lavage 52 HeC 52 Confocal microscopy 52 ECG electrocardiogram 52 myocardial revascularization 52 perfusion imaging 52 silent myocardial ischemia 52 chromosomal mutations 52 adrenal masses 52 atrial fibrillation ablation 52 Catheter Ablation 52 Coronary CTA 52 EnRhythm MRI SureScan pacing 52 microelectrode array 52 transcutaneous 52 PET positron emission tomography 52 epicardial 52 underwent angiography 52 Transcranial Magnetic Stimulation 52 computed tomography scans 52 intravascular ultrasound 52 catheter ablation procedures 52 electroencephalogram EEG 52 capnography 52 Holter recorders 52 needle electromyography procedures 52 Cardiotoxicity 52 biventricular 52 Cardiac Output 52 pupillary 52 pelvic ultrasound 52 Visualize Vascular 52 Tumor Response 52 Pulmonary artery 52 airborne LIDAR 52 semiquantitative 52 MTWA testing 52 implanted stimulator 52 electro cardiogram 52 extracorporeal circulation 52 PET CT scans 52 Cardiac Defibrillators 52 thrombus removal 52 hemodynamically stable 52 Daxor BVA 52 cerebral angiogram 52 paracentesis 52 dyssynchrony 52 transient elastography 52 bronchoscopies 52 impedance cardiography 52 myocardial necrosis 52 Radiofrequency ablation 52 preoperative diagnosis 52 functional neuroimaging 52 trans cranial 52 intraobserver 52 tomography scanner 52 CompuDent R 52 magnetoencephalography MEG 52 Coronary Artery Bypass Surgery 52 transesophageal 52 superior mesenteric artery 52 PEDOT nanotubes 52 manometry 52 lung biopsies 52 overnight polysomnography 52 myocardial viability 52 corneal thickness 52 computed tomographic angiography 52 obscure gastrointestinal bleeding 52 computed tomography CT scanners 52 frontal parietal 52 organ perfusion 52 electroencephalography 52 mania hypomania 52 Diffusion weighted 52 retrospectively analyzed 51 Cardiac catheterization 51 INTRABEAM 51 prospective nonrandomized 51 audiogram 51 tonometer 51 metabolite concentrations 51 cardiac resynchronization 51 electroretinography 51 cardiac magnetic resonance 51 Pulse Oximeter 51 immunohistochemical analysis 51 mitral stenosis 51 thrombus aspiration 51 myocardial ischemia 51 PD2i ® 51 spiral computed tomography 51 lumbar intervertebral 51 sonographic diagnosis 51 posterior cervical 51 cardiac auscultation 51 LightLab OCT 51 pulmonary artery pressures 51 CT urography 51 perfusion defects 51 sonographic guidance 51 Contrast Enhanced 51 x ray angiography 51 Multiple linear regression 51 TMS Therapy 51 EQ 5D 51 sinonasal 51 electrocardiograph 51 hypothalamic pituitary adrenal axis 51 Elastography 51 Serologic 51 polysomnography PSG 51 cochlear nerve 51 cardiograph 51 extubated 51 pulmonary artery catheterization 51 Raman spectroscopic 51 pCLE 51 cTnT 51 tracer uptake 51 coronary bypass grafting 51 arterial oxygen saturation 51 cardioverter defibrillators 51 spirometric 51 cardiac computed tomography 51 Doppler echocardiography 51 ICS G2 51 Backscatter X ray 51 cytolytic activity 51 uterine abnormalities 51 neurologic deficits 51 coronary vasculature 51 OnControl 51 treat brain aneurysms 51 computed tomography CT scanner 51 antemortem 51 COR Analyzer 51 tissue ablation 51 microcatheters 51 retrospective cohort study 51 Brodmann Area 51 Carotid 51 rhythm abnormalities 51 balloon valvuloplasty 51 cerebral oxygenation 51 abdominal ultrasounds 51 Oxygen Saturation 51 SCN5A 51 multicenter clinical trials 51 acetabular fractures 51 saline infusion 51 multidetector computed tomography MDCT 51 viral nucleic acids 51 Implantable Cardiac 51 Cystoscopy 51 capillary leakage 51 ophthalmoscopy 51 smart pillbox 51 magnetic resonance spectroscopic imaging 51 conventional angiography 51 CryoMaze 51 implantable cardiac devices 51 dimensional echocardiography 51 ambulatory ECG 51 abdominal computed tomography 51 dyspnoea 51 ELISA assays 51 intracardiac ultrasound catheter 51 nonthermal 51 uninterrupted chest compressions 51 VNUS Closure procedure 51 aneuploidies 51 alternans 51 Seattle Angina Questionnaire 51 diagnostic modality 51 cephalometric 51 coronary stenosis 51 ventricular repolarization 51 Viatronix V3D Colon 51 radiofrequency RF 51 cardiac cath 51 resynchronization therapy 51 Adverse effects 51 X ray backscatter 51 ePCR 51 differentiate squamous 51 pulmonary nodules 51 InSpectra StO2 51 CARE HF 51 computed tomographic scan 51 defibrillation shocks 51 blood oxygenation 51 CardioMEMS proprietary 51 intraoperative ultrasound 51 electron beam computed tomography 51 postoperative infections 51 EndoPAT 51 x rays MRIs 51 EEG abnormalities 51 positron emission tomography scans 51 intracranial electrodes 51 electrocardiograms EKGs 51 Electron beam 51 Postoperative 51 Mitral Valve 51 Fujitsu PalmSecure 51 EXPeRT R 51 CRT ICD 51 conduction abnormalities 51 tissue oxygenation 51 cerebral perfusion 51 INVOS 51 transcranial magnetic stimulation TMS 51 auditory cortices 51 physico chemical 51 cytological 51 upper endoscopy 50 Single Photon Emission Computed 50 troponin assay 50 mechanical dyssynchrony 50 esophageal motility 50 neurophysiological 50 IrDA Bluetooth 50 urinary cytology 50 imaging MRI 50 external counterpulsation 50 actigraph 50 myogenic 50 Raman spectra 50 Fluid Status 50 postmarketing adverse 50 Lymph node 50 cardiopulmonary bypass CPB 50 percutaneous catheter 50 computed tomography SPECT 50 anastomotic devices 50 periocular 50 neuro stimulation 50 Revo MRI 50 endoscopic surgical 50 syngo R 50 Computed tomography CT 50 Ischemia 50 Incidental findings 50 WatchPAT 50 MRI fMRI 50 CT angiography CTA 50 aberrometer 50 electrophysiology procedures 50 ePREOP 50 respiratory gating 50 needle aspiration 50 Carotid Revascularization Endarterectomy vs. 50 flexible bronchoscope 50 FDG PET scans 50 opacification 50 IgA deficiency 50 somatic mutations 50 Doppler Ultrasound 50 Attrius TM PET 50 gastroscope 50 radiotracer uptake 50 thermogram 50 histologic findings 50 QT QTc 50 sinus node dysfunction 50 lung nodule 50 peripheral insulin sensitivity 50 malignant polyps 50 ablation procedures 50 endoscopic biopsy 50 #F FDG 50 PNES 50 logistic regression analyzes 50 multislice CT 50 upper endoscopies 50 atrial pacing 50 cystoscopic 50 electrospray ionisation 50 biomolecular interactions 50 UFIT ® 50 SpHb 50 Spirometry 50 erythema nodosum 50 rCBF 50 Intracardiac 50 Rheos Therapy 50 sEMG 50 noncardiac 50 ductal adenocarcinoma 50 staphylococcal infection 50 OmniWave 50 neuro interventional 50 EBUS FNA 50 fluoroscopically guided 50 audiometry 50 prostate abnormalities 50 intracortical 50 cardiac troponin T 50 3M Littmann 50 diffusion tensor 50 Visensia 50 gamma spectrometry 50 posterior tibial nerve 50 tamponade 50 biophotonic 50 multiple logistic regression 50 confocal laser 50 PEMF therapy 50 stress echocardiography 50 magnetic resonance CMR 50 rate variability HRV 50 endoscopic ultrasound 50 Ecotones Duet 50 undergoing coronary angiography 50 thoracolumbar spine 50 EnSite Velocity System 50 hypopnea 50 FFR measurement 50 eCRF 50 optical coherence tomography 50 haemolysis 50 sputum cytology 50 pars plana vitrectomy 50 intracerebral haemorrhage 50 hormone human chorionic 50 theta rhythm 50 spectrographic analysis 50 QEEG 50 obstetric ultrasound 50 ECoG 50 extracranial 50 CT coronary angiography 50 cardiac telemetry 50 TUMT 50 Suboptimal 50 ultra sonography 50 EBUS 50 nerve conduction velocity 50 computed tomography CT angiography 50 microalbumin 50 T2 weighted images 50 inotropic 50 troponins 50 Cardiopulmonary bypass 50 biventricular pacing 50 neuroimaging studies 50 medial frontal cortex 50 ProstaScint 50 auditory brainstem response 50 microdialysis 50 pulmonary artery hypertension 50 coronary occlusion 50 IVUS imaging 50 carotid artery ultrasound 50 Embolic Protection System 50 pulmonary artery catheters 50 abnormal heartbeats 50 abdominal pelvic 50 slit lamp 50 DEFINITY ® 50 QRS interval 50 urography 50 luminal narrowing 50 carotid stenosis 50 teleconsultation 50 Cardiac Resynchronization Therapy 50 SEMG 50 Biphasic 50 multidetector CT 50 diagnostic angiography 50 GH deficiency 50 diagnose coronary artery 50 urodynamics 50 ultrasound examinations 50 hemodilution 50 muscle twitches 50 noninvasive ventilation 50 electrocardiograms 50 dimensional computed tomography 50 reverse transcription polymerase 50 ventricular tachyarrhythmia 50 CAREt 50 StO2 50 ThinPrep Imaging System 50 FDG uptake 50 stroke hypertension palpitations 50 transesophageal echocardiogram 50 ImmuKnow R 50 SPECT imaging 50 Left Ventricular 50 descending thoracic 50 florbetaben 50 magnetic resonance tomography 50 Telemonitoring 50 heel lance 50 thoracic aortic disease 50 multidetector computed tomography 49 mesenteric 49 Hemoccult II 49 immunofluorescent 49 prostate cancer metastases 49 T wave alternans 49 chromosomal aberrations 49 densitometry 49 spectrogram 49 Electromyography EMG 49 radar lidar 49 sacral nerve stimulation 49 SUDs 49 hepatic lesions 49 Nodule 49 cardiac catherization 49 FreeStyle Navigator 49 PreDx DRS 49 RF EMFs 49 FDDNP PET 49 sampling oscilloscope 49 Cardiac Cath 49 immunohistochemical 49 caval 49 superconducting quantum interference 49 surface electromyography 49 ultrasound transducers 49 Percutaneous Coronary Interventions 49 auditory stimulation 49 myocardial contractility 49 tomographic images 49 optical biosensor 49 ICD implantations 49 Multidetector CT 49 fMRI scanning 49 X rays MRIs 49 trigeminal 49 functional endoscopic sinus 49 neuro radiologists 49 multivariate logistic regression 49 Multispectral 49 Reveal XT 49 axial length 49 ambulatory cardiac 49 digital subtraction angiography 49 parameter measurements 49 intraoperative imaging 49 CRT Ds 49 bacterial prostatitis 49 vasa previa 49 myoclonus 49 cardiac CT angiography 49 endoscopic surgical procedures 49 rtPA 49 colonoscopic 49 diagnostically 49 coronary arterial 49 Cervical spine 49 spectral Doppler 49 exhaled nitric oxide 49 spectrograms 49 Holter monitoring 49 AF ablation 49 diagnostic laparoscopy 49 rotational angiography 49 ImPACT Immediate Post 49 Smart Capnography 49 vertebrobasilar 49 Mammographic 49 corneal topography 49 MSCT 49 SOMATOM Sensation 49 radiowave 49 intravenous heparin 49 hypoxemia 49 morphologic characteristics 49 spatio temporal 49 SpO 2 49 distal anastomosis 49 wirelessly transmits 49 noninvasive glucose 49 haemodynamic 49 STEP BD 49 Functional Measurement 49 brainwave activity 49 malignant nodules 49 transdermal glucose 49 continuous hemoglobin SpHb 49 AV node 49 cardiac biomarkers 49 Multiple logistic regression 49 LVAD implantation 49 Positron Emission Tomography PET 49 phototoxicity 49 Bronchial Thermoplasty 49 computer tomography CT 49 coronary arteriography 49 defibrillator ICD 49 pancreatic ductal adenocarcinoma 49 Tachycardia 49 Flow cytometry 49 QLAB 49 radiographic images 49 ACC NCDR 49 V3D Colon 49 TKAs 49 carcinoids 49 thoracentesis 49 Photoacoustic 49 SilverHawk Plaque Excision System 49 vibration analyzers 49 Aplio 49 DEXA scans 49 immunization registries 49 cerebral spinal 49 genomewide 49 Electron microscope 49 biometry 49 Dual Antiplatelet Therapy 49 echo planar imaging 49 polysomnogram 49 CT Scans 49 rEEG ® 49 QTc 49 Radiographs 49 Transcranial 49 vibrometer 49 PressureWire Aeris 49 mediated dilation 49 lethal arrhythmias 49 NIH CPSI 49 PREVENT IV 49 Prehospital 49 stenoses 49 stimulation PTNS 49 thyroglobulin 49 EEG biofeedback 49 electrode arrays 49 ICDs implanted 49 Gamma Cameras 49 Meta analyzes 49 doppler 49 AirStrip Cardiology 49 catheterisation 49 histopathologic examination 49 VisuMax 49 cognitive domains 49 polarimetric 49 angiography CTA 49 amplitude modulated 49 PET CT scanning 49 handheld XRF analyzer 49 MR spectroscopy 49 pleural fluid 49 dataloggers 49 Sodickson 49 4D Ultrasound 49 X rays ultrasounds 49 SF #v# 49 malignant neoplasms 49 inferior colliculus 49 portal venous 49 narrow QRS 49 LV dysfunction 49 RadCube 49 extracorporeal membrane oxygenation 49 ejection fractions 49 cardiography 49 particle image velocimetry 49 electromedical 49 PET CT scan 49 Prostate Px + 49 cytomegalovirus infection 49 Abbott ARCHITECT 49 hyperexcitability 49 stratifying patients 49 transrectal ultrasonography 49 fetal chromosomal 49 poststroke 49 Multiparameter 49 Hepatocellular Carcinoma HCC 49 placental tissues 49 expiratory 49 scaphoid fractures 49 nasal endoscopy 49 Computerized Axial Tomography 49 4D imaging 49 Toshiba Aquilion ONE 49 muscle stimulators 49 Wireless Telemetry 49 Optical coherence tomography 49 perimetry 49 Virtual Histology 49 Vasogen Celacade 49 WavSTAT 49 QTc intervals 49 electrode pads 49 electrophysiology EP 49 inhaled anesthetics 49 multimodality imaging 49 computed tomography PET CT 49 inhaled corticosteroid therapy 49 Otitis Media 49 Avigilon HD surveillance 49 power amplifier linearization 49 physiologic parameters 49 chlorophyll fluorescence 49 pulse amplitude 49 KIF6 gene variant