Biomedical Engineering Online

Article	Citations
Beam orientation optimization for coherent X-ray scattering from distributed deep targets	60
Correction: The value of the wireless stethoscope in patients with COVID-19 infection in a makeshift hospital	59
Combining crowd-sourcing, census data, and public review forums for real-time, high-resolution food desert estimation	52
Attention-enhanced residual U-Net: lymph node segmentation method with bimodal MRI images	49
Interpretable classification for multivariate gait analysis of cerebral palsy	45
Object recognition and localization enhancement in visual prostheses: a real-time mixed reality simulation	44
Multi-modal body part segmentation of infants using deep learning	37
Advancements in osteoblast sourcing, isolation, and characterization for dental tissue regeneration: a review	36
Antioxidant scaffolds for enhanced bone regeneration: recent advances and challenges	35
Comparative analysis of electrical signals in facial expression muscles	33
A hybrid model for detecting motion artifacts in ballistocardiogram signals	32
Sleep postures monitoring based on capacitively coupled electrodes and deep recurrent neural networks	31
Precision and reliability study of hospital infusion pumps: a systematic review	30
4D printing: innovative solutions and technological advances in orthopedic repair and reconstruction, personalized treatment and drug delivery	30
Comparison of deep transfer learning algorithms and transferability measures for wearable sleep staging	29
Super-resolution reconstruction for early cervical cancer magnetic resonance imaging based on deep learning	29
Bugan Rongjin decoction alleviates inflammation and oxidative stress to treat the postmenopausal knee osteoarthritis through Wnt signaling pathway	28
A novel in-bed body posture monitoring for decubitus ulcer prevention using body pressure distribution mapping	25
Performance of deep-learning models incorporating knee alignment information for predicting ground reaction force during walking	24
A method based on non-ionizing microwave radiation for ancillary diagnosis of osteoporosis: a pilot study	24
Special collection in association with the 2023 International Conference on aging, innovation and rehabilitation	23
Thermography as an aid for the complementary diagnosis of nodules in the thyroid gland	23
Differences in intestinal motility during different sleep stages based on long-term bowel sounds	22
Early detection of myocardial ischemia in resting ECG: analysis by HHT	22
Detection of Alzheimer and mild cognitive impairment patients by Poincare and Entropy methods based on electroencephalography signals	22

Modelling intra-muscular contraction dynamics using in silico to in vivo domain translation	22
Four-phase CT lesion recognition based on multi-phase information fusion framework and spatiotemporal prediction module	21
LRSCnet: Local Reference Semantic Code learning for breast tumor classification in ultrasound images	20
Effect of a rigid ankle foot orthosis and an ankle foot orthosis with an oil damper plantar flexion resistance on pelvic and thoracic movements of patients with stroke during gait	20
Acquisition of a single grid-based phase-contrast X-ray image using instantaneous frequency and noise filtering	19
‘Falling heads’: investigating reflexive responses to head–neck perturbations	18
Beyond timing and step counting in 360° turning-in-place assessment: a scoping review	18
Correction: Detection and analysis of long noncoding RNA expression profiles related to epithelial–mesenchymal transition in keloids	18
Effects of lead exposure on blood electrical impedance spectroscopy of mice	18
StairNet: visual recognition of stairs for human–robot locomotion	17
Early prediction of hemodialysis complications employing ensemble techniques	17
Medial tibial plateau sustaining higher physiological stress than the lateral plateau: based on 3D printing and finite element method	17
Synthesizing multi-frame high-resolution fluorescein angiography images from retinal fundus images using generative adversarial networks	17
Using 2D U-Net convolutional neural networks for automatic acetabular and proximal femur segmentation of hip MRI images and morphological quantification: a preliminary study in DDH	16
Machine learning application for classification of Alzheimer's disease stages using 18F-flortaucipir positron emission tomography	16
Predictive value of CT imaging features on the risk of hemorrhagic transformation after mechanical thrombectomy for acute ischemic stroke with large vessel obstruction	15
Camera-based heart rate estimation for hospitalized newborns in the presence of motion artifacts	15
Targeted delivery of irinotecan to colon cancer cells using epidermal growth factor receptor-conjugated liposomes	15
Fus2Net: a novel Convolutional Neural Network for classification of benign and malignant breast tumor in ultrasound images	15
Identification of Alzheimer’s disease brain networks based on EEG phase synchronization	15
Dual-modal in vivo assessment for electrophysical and hemodynamic characteristics of cerebral edema induced by lipopolysaccharide	14
Classification of vasovagal syncope from physiological signals on tilt table testing	13
Structural geometries and mechanical properties of vertebral implant with honeycomb sandwich structure for vertebral compression fractures: a finite element analysis	13
Automated diagnosis of schizophrenia based on spatial–temporal residual graph convolutional network	13
Comparison of plugin and redundant marker sets to analyze gait kinematics between different populations	13
Multiscale reconstruction of bronchus and cancer cells in human lung adenocarcinoma	13
Development of a deep learning-based MRI diagnostic model for human Brucella spondylitis	13
Patients ‘ perspectives on bone replacement materials in a German university hospital setting	13
Emerging technologies in airway management: a narrative review of intubation robotics and anatomical structure recognition algorithms	13
Enhancing laparoscopic visibility: efficient surgical smoke clearance innovatively using nebulization technology	13
Implantable antennas for biomedical applications: a systematic review	13
Expression of periostin in the epithelium of cholesteatoma with different degrees of ossicular chain destruction and its clinical value in predicting postoperative hearing recovery	13
Comprehensive review of composition, properties, clinical applications, and future perspectives of calcium-enriched mixture (CEM) cement: a systematic analysis	12
The state of the art and future trends of root canal files from the perspective of patent analysis: a study design	12
Feasibility and anteversion accuracy of a patient-specific instrument for femoral prosthesis implantation in total hip arthroplasty	12
Highly efficient magnetic ablation and the contrast of various imaging using biocompatible liquid–metal gallium	12
Correction: A glaucoma micro-stent with diverging channel and stepped shaft structure based on microfluidic template processing technology	12
The use of a convolutional neural network to automate radiologic scoring of computed tomography of paranasal sinuses	12
Parameter subset reduction for imaging-based digital twin generation of patients with left ventricular mechanical discoordination	12
Performance and limitation of machine learning algorithms for diabetic retinopathy screening and its application in health management: a meta-analysis	12
Voxel-wise body composition analysis using image registration of a three-slice CT imaging protocol: methodology and proof-of-concept studies	12
Screening ovarian cancer by using risk factors: machine learning assists	12
Abnormal interlimb coordination of motor developmental delay during infant crawling based on kinematic synergy analysis	12
Long-term inhaling ultrafine zinc particles increases cardiac wall stresses elevated by myocardial infarction	12
Model-based patient matching for in-parallel pressure-controlled ventilation	11
The effect of depth data and upper limb impairment on lightweight monocular RGB human pose estimation models	11
Deep learning of longitudinal chest X-ray and clinical variables predicts duration on ventilator and mortality in COVID-19 patients	11
The global burden and attributable risk factors of chronic lymphocytic leukemia in 204 countries and territories from 1990 to 2019: analysis based on the global burden of disease study 2019	11
Instantaneous radiated power of brain activity: application to prepulse inhibition and facilitation for body dysmorphic disorder	11
The application of machine learning methods for predicting the progression of adolescent idiopathic scoliosis: a systematic review	11

Stiffness optimization and reliable design of a hip implant by using the potential of additive manufacturing processes	11
Automatic detection of epilepsy from EEGs using a temporal convolutional network with a self-attention layer	11
A comprehensive review of heart rate measurement using remote photoplethysmography and deep learning	11
A model-based spectral directional approach reveals the long-term impact of COVID-19 on cardiorespiratory control and baroreflex	11
Age-related differences in gait symmetry obtained from kinematic synergies and muscle synergies of lower limbs during childhood	10
Prediction of non-perfusion volume ratio for uterine fibroids treated with ultrasound-guided high-intensity focused ultrasound based on MRI radiomics combined with clinical parameters	10
In vivo video microscopy of the rupturing process of thin blood vessels to clarify the mechanism of bruising caused by blunt impact: an animal study	10
Design, construction, and deployment of a multi-locus transcranial magnetic stimulation system for clinical use	10
In vivo imaging of adipose-derived stem cell sheets on biodegradable nonwoven fabric using X-ray CT	10
Preclinical evaluation of a hydraulic actuation system with guide tube for robotic cochlear implant electrode insertion	10
Reconstructing asynchrony for mechanical ventilation using a hysteresis loop virtual patient model	10
Complexity of post-concussion syndrome assessment and management: a case for customizing rehabilitation	10
EEG-based emergency braking intention detection during simulated driving	10
Effects of different running intensities on the micro-level failure strain of rat femoral cortical bone structures: a finite element investigation	9
Measures of overnight oxygen saturation to characterize sleep apnea severity and predict postoperative respiratory depression	9
Correction: A personalised prosthetic liner with embedded sensor technology: a case study	9
EfficientNet-based machine learning architecture for sleep apnea identification in clinical single-lead ECG signal data sets	9
Self-supervised learning framework application for medical image analysis: a review and summary	9
An in-vitro three-dimensional surgical simulation technique to predict tibial tunnel length in transtibial posterior cruciate ligament reconstruction	9
WDRIV-Net: a weighted ensemble transfer learning to improve automatic type stratification of lumbar intervertebral disc bulge, prolapse, and herniation	9
Integrative research on the mechanisms of acupuncture mechanics and interdisciplinary innovation	9
Assessment of demineralized tooth lesions using optical coherence tomography and other state-of-the-art technologies: a review	9
Applications of nanotechnology in orthodontics: a comprehensive review of tooth movement, antibacterial properties, friction reduction, and corrosion resistance	9
Which are best for successful aging prediction? Bagging, boosting, or simple machine learning algorithms?	9
Changes in retinal multilayer thickness and vascular network of patients with Alzheimer’s disease	9
A novel corneal indentation device for comparison of corneal tangent modulus before and after FS-LASIK in vivo	9
Prediction of risk factors of plastic bronchitis in children with severe Mycoplasma pneumoniae pneumonia	9
Characterization and in vitro assessment of three-dimensional extrusion Mg-Sr codoped SiO2-complexed porous microhydroxyapatite whisker scaffolds for biomedical engineering	9
Video-based analysis of the blink reflex in Parkinson’s disease patients	9
Design of bionic active–passive hybrid-driven prosthesis based on gait analysis and simulation of compound control method	9
Deep learning for predicting myopia severity classification method	9
A multi-task learning model using RR intervals and respiratory effort to assess sleep disordered breathing	9
Optimizing stent retrievers for mechanical enhancement and in vitro testing in acute ischemic stroke models	9
Development of a deep learning radiomics model combining lumbar CT, multi-sequence MRI, and clinical data to predict high-risk cage subsidence after lumbar fusion: a retrospective multicenter study	9
Relationship between RSV-hospitalized children and meteorological factors: a time series analysis from 2017 to 2023	8
Investigating the correlation between smoking and blood pressure via photoplethysmography	8
Development of early prediction model of in-hospital cardiac arrest based on laboratory parameters	8
Correction to: Study on the methodology of striae gravidarum severity evaluation	8
Identification of a novel prognosis-associated ceRNA network in lung adenocarcinoma via bioinformatics analysis	8
Investigation of bending angle algorithm and path planning for puncture needles in transjugular intrahepatic portosystemic shunt	8
Impact of stroma remodeling on forces experienced by cancer cells and stromal cells within a pancreatic tumor tissue	8
Multi-branch CNNFormer: a novel framework for predicting prostate cancer response to hormonal therapy	8
A coarse-to-fine cascade deep learning neural network for segmenting cerebral aneurysms in time-of-flight magnetic resonance angiography	8
Continuous relative phases of walking with an articulated passive ankle–foot prosthesis in individuals with a unilateral transfemoral and transtibial amputation: an explorative case–control study	8
Impacts of stimulus parameters and configurations on motor cortex direct electrical stimulation using intrinsic optical imaging: a pilot study	8
Stochastic integrated model-based protocol for volume-controlled ventilation setting	8
Calculation of recovery coefficients for partial volume effect correction in PET/CT imaging using a customized anthropomorphic body phantom	8
Three-dimensional finite element analysis of the effect of alveolar cleft bone graft on the maxillofacial biomechanical stabilities of unilateral complete cleft lip and palate	8
Noninvasive spinal stimulation improves walking in chronic stroke survivors: a proof-of-concept case series	8
A survey of Transformer applications for histopathological image analysis: New developments and future directions	8
Deep learning based on susceptibility-weighted MR sequence for detecting cerebral microbleeds and classifying cerebral small vessel disease	8
Non-invasive myocardial work index contributes to early identification of impaired left ventricular myocardial function in uremic patients with preserved left ventricular ejection fraction	7
Neuro-nanotechnology: diagnostic and therapeutic nano-based strategies in applied neuroscience	7
Applications of radiomics-based analysis pipeline for predicting epidermal growth factor receptor mutation status	7
Model-based estimation of QT intervals of mouse fetal electrocardiogram	7
The oxygenation module: the missing link in using sleep apnea devices to treat COVID-19 pneumonia at home	7
A glaucoma micro-stent with diverging channel and stepped shaft structure based on microfluidic template processing technology	7
Deep learning algorithm performance in contouring head and neck organs at risk: a systematic review and single-arm meta-analysis	7
A combined encoder–transformer–decoder network for volumetric segmentation of adrenal tumors	7
Designing and validating an experimental protocol to induce airway narrowing in older adults with and without asthma	7
RAGE plays key role in diabetic retinopathy: a review	7
Using prior information to enhance microwave tomography images in bone health assessment	7
Transcriptomic and metabolomic insights into neutrophil activity in COPD complicated by metabolic syndrome	7
Gastric polyp detection module based on improved attentional feature fusion	7
Simulating impaired left ventricular–arterial coupling in aging and disease: a systematic review	7
Advancing global health through engineering: a perspective on teaching an online global health course to engineers during a global pandemic	7
Multiple overlapping stent-assisted coiling improves efficacy and safety of treatment for complex intracranial aneurysms: a randomized trial	6
Transparent decision support for mechanical ventilation using visualization of clinical preferences	6
Intraoperative serosal extracellular mapping of the human distal colon: a feasibility study	6
Effect of nano-hydroxyapatite filling on masticatory function and gingival sulcular fluid inflammatory factor levels in periapical inflammation	6
Changes in temporal lobe activation during a sound stimulation task in patients with sensorineural tinnitus: a multi-channel near-infrared spectroscopy study	6
The role of bone marrow on the mechanical properties of trabecular bone: a systematic review	6
Effect of guidewire insertion in fractional flow reserve procedure for real geometry using computational fluid dynamics	6
Machine learning-enhanced echocardiography for screening coronary artery disease	6
Effect of microtextured titanium sheets using laser enhances proliferation and collagen synthesis of mouse fibroblasts via the TGF-β/Smad pathway	6
Analysis of angiographic findings and short-term recurrence factors in patients presenting with hemoptysis	6
Machine learning classification of multiple sclerosis patients based on raw data from an instrumented walkway	6
Differentiation between invasive ductal carcinoma and ductal carcinoma in situ by combining intratumoral and peritumoral ultrasound radiomics	6
Reliability analysis of hospital infusion pumps: a case study	6
Current methods for contactless optical patient diagnosis: a systematic review	6

Deep learning-driven multi-view multi-task image quality assessment method for chest CT image	6
Robotic devices for paediatric rehabilitation: a review of design features	6
Accuracy evaluation and clinical realization of digital interproximal enamel reduction for orthodontics: a case study	6
Emerging trends and hotspot in gut–lung axis research from 2011 to 2021: a bibliometrics analysis	6
Age- and muscle-specific reliability of muscle architecture measurements assessed by two-dimensional panoramic ultrasound	6
Viability of ex-vivo myography as a diagnostic tool for rectus abdominis muscle electrical activity collected at Cesarean section within a diamater cohort study	6
Proof of concept of an accelerometer as a trigger for unilateral diaphragmatic pacing: a porcine model	5
Estimating the neural spike train from an unfused tetanic signal of low-threshold motor units using convolutive blind source separation	5
The autonomic balance of heart rhythm complexity after renal artery denervation: insight from entropy of entropy and average entropy analysis	5
Influence of posterior pedicle screw fixation at L4–L5 level on biomechanics of the lumbar spine with and without fusion: a finite element method	5
Long-term training on sand changes lower limb muscle activities during running in runners with over-pronated feet	5
Protocol for metadata and image collection at diabetic foot ulcer clinics: enabling research in wound analytics and deep learning	5
A personalized clinical assessment: multi-sensor approach for understanding musculoskeletal health in the frail population	5
Research on automatic assessment of the severity of unilateral vocal cord paralysis based on Mel-spectrogram and convolutional neural networks	5
Towards a validated musculoskeletal knee model to estimate tibiofemoral kinematics and ligament strains: comparison of different anterolateral augmentation procedures combined with isolated ACL recons	5
Investigation of total skin helical tomotherapy using a 3D-printed total skin bolus	5
A comparison of point-tracking algorithms in ultrasound videos from the upper limb	5
A review of novel methods to assist digital planning and execution of osteotomy for upper limb deformities	5
Automatic lesion detection and segmentation in 18F-flutemetamol positron emission tomography images using deep learning	5
Combined therapy with contralateral controlled functional electrical stimulation and transcranial direct current stimulation for early post-stroke hand dysfunction	5
Deep learning for the harmonization of structural MRI scans: a survey	5
Video microscopy: an old story with a bright biological future	5
The concepts of muscle activity generation driven by upper limb kinematics	5
Development of a bowel sound detector adapted to demonstrate the effect of food intake	5
A mobile-assisted voice condition analysis system for Parkinson’s disease: assessment of usability conditions	5
Correction: Nuclear proteins and diabetic retinopathy: a review	5
Sensor-based assessment of social isolation in community-dwelling older adults: a scoping review	5
Comparison of deep learning-based image segmentation methods for intravascular ultrasound on retrospective and large image cohort study	5
Effect of local ozone treatment on rats with anterior rectal resection and the possible mechanisms	5
Brain CT registration using hybrid supervised convolutional neural network	5
Hypoxia-inducible transcription factor-1α inhibition by topotecan protects against lipopolysaccharide-induced inflammation and apoptosis of cardiomyocytes	5
Free-living core body temperature monitoring using a wrist-worn sensor after COVID-19 booster vaccination: a pilot study	5
Multimodal diagnosis model of Alzheimer’s disease based on improved Transformer	5
Predicting the perioperative transfusion risk of proximal femoral antirotation nailing (PFNA) for elderly patients with intertrochanteric fractures: a new predictive nomogram	5
Mechanically strained osteocyte-derived exosomes contained miR-3110-5p and miR-3058-3p and promoted osteoblastic differentiation	5
Deep learning for predicting refractive error from multiple photorefraction images	5
A nomogram and risk stratification system for predicting survival in T1-2N0-1 breast cancer patients with liver metastasis in females: a population-based study	5
Home-based upper limb stroke rehabilitation mechatronics: challenges and opportunities	5
Development of a hydrogel-based three-dimensional (3D) glioblastoma cell lines culture as a model system for CD73 inhibitor response study	5
Evaluating imaging repeatability of fully self-service fundus photography within a community-based eye disease screening setting	5
Bactericidal effect of low-temperature atmospheric plasma against the Shigella flexneri	5
Intermittent parathyroid hormone treatment affects the bone structural parameters and mechanical strength of the femoral neck after ovariectomy-induced osteoporosis in rats	4
Human acellular amniotic membrane/polycaprolactone vascular grafts prepared by electrospinning enable vascular remodeling in vivo	4
Human cells with osteogenic potential in bone tissue research	4
Gait training with a wearable curara® robot for cerebellar ataxia: a single-arm study	4
Estimation of the biaxial tensile behavior of ovine esophageal tissue using artificial neural networks	4
3D printed polylactic acid/gelatin-nano-hydroxyapatite/platelet-rich plasma scaffold for critical-sized skull defect regeneration	4
Early diagnostic model of pyonephrosis with calculi based on radiomic features combined with clinical variables	4
Investigating gait-responsive somatosensory cueing from a wearable device to improve walking in Parkinson’s disease	4
Forecasting motion trajectories of elbow and knee joints during infant crawling based on long–short-term memory (LSTM) networks	4
Automatic localization of cochlear implant electrodes using cone beam computed tomography images	4
Improving cardiovascular risk prediction with machine learning: a focus on perivascular adipose tissue characteristics	4
Potential role of metal nanoparticles in treatment of peri-implant mucositis and peri-implantitis	4
Public transcriptome database-based selection and validation of reliable reference genes for breast cancer research	4
Effect of limb rotation on radiographic alignment measurement in mal-aligned knees	4
A finger on the pulse of cardiovascular health: estimating blood pressure with smartphone photoplethysmography-based pulse waveform analysis	4
Pulmonary lesion subtypes recognition of COVID-19 from radiomics data with three-dimensional texture characterization in computed tomography images	4
Three-dimensional visualization of thyroid ultrasound images based on multi-scale features fusion and hierarchical attention	4
Sex differences in electrical activity of the brain during sleep: a systematic review of electroencephalographic findings across the human lifespan	4
Aldehyde dehydrogenase 2 alleviates monosodium iodoacetate-induced oxidative stress, inflammation and apoptosis in chondrocytes via inhibiting aquaporin 4 expression	4
Assessing chronic obstructive pulmonary disease risk based on exhalation and cough sounds	4
Ferroptosis in radiation-induced brain injury: roles and clinical implications	4
Magnetic-guided nanocarriers for ionizing/non-ionizing radiation synergistic treatment against triple-negative breast cancer	4
The impact of a 5G-based smart nursing information system and associated mobile hardware on clinical nurses’ work stress: a randomized controlled study in a Chinese hospital	4
Monitoring variability in parameter estimates for lumped parameter models of the systemic circulation using longitudinal hemodynamic measurements	4
Changes in heart rate variability at rest and during exercise in patients after a stroke: a feasibility study	4
Automated landmarking of bends in vascular structures: a comparative study with application to the internal carotid artery	4
A review of osteoporotic vertebral fracture animal models	4
A test prototype of a novel flexible video laryngoscope and preliminary verification in a difficult airway management simulator	4
Exploration of the effect of morphology and location on hemodynamics of small aneurysms: a variable-controlled study based on two cases with tandem aneurysms	4
Effects of vibration therapy for post-stroke spasticity: a systematic review and meta-analysis of randomized controlled trials	4
Evaluating effect of metallic ions on aggregation behavior of β-amyloid peptides by atomic force microscope and surface-enhanced Raman Scattering	4
The significance of ophthalmological features in diagnosis of thyroid-associated ophthalmopathy	4
A concept for human use of real-time and remote monitoring of diabetic subjects using intermittent scanned continuous glucose measurement	4
Identification of ocular refraction based on deep learning algorithm as a novel retinoscopy method	4
Muscle synergy and kinematic synergy analyses during sit-to-stand motions in hallux valgus patients before and after treatment with Kinesio taping	4
Design and validation of an alignment free adaptive joint torque measurement system	4
Deep neural networks for wearable sensor-based activity recognition in Parkinson’s disease: investigating generalizability and model complexity	4
Extended classifier system with continuous real-coded variables for feature extraction of instantaneous pulse-rate variability and respiration of individuals with gaming disorder	4
A computer-aided determining method for the myometrial infiltration depth of early endometrial cancer on MRI images	4
Deep learning and electrocardiography: systematic review of current techniques in cardiovascular disease diagnosis and management	4
A comprehensive analysis of potential gastric cancer prognostic biomarker ITGBL1 associated with immune infiltration and epithelial–mesenchymal transition	4
Effect of two types of shoulder prosthesis on the muscle forces using a generic multibody model for different arm motions	4
Prediction of programmed cell death protein 1 in hepatocellular carcinoma patients using radiomics analysis with radiofrequency-based ultrasound multifeature maps	3
Correction: Correlation between the ERD in grasp/open tasks of BCIs and hand function of stroke patients: a cross‑sectional study	3
Development and validation of an ultrasound-based deep learning radiomics nomogram for predicting the malignant risk of ovarian tumours	3
In vitro study on the osteoimmunological potential of magnesium implants (WE43MEO)	3
The efficacy and safety of telerehabilitation for patients following total knee arthroplasty: a overviews of systematic reviews	3
The value of the wireless stethoscope in patients with COVID-19 infection in a makeshift hospital	3
In vivo experimental validation of detection of gastric slow waves using a flexible multichannel electrogastrography sensor linear array	3
A 2D–3D hybrid convolutional neural network for lung lobe auto-segmentation on standard slice thickness computed tomography of patients receiving radiotherapy	3
Key transition technology of ski jumping based on inertial motion unit, kinematics and dynamics	3
Advances in the development and application of non-contact intraoperative image access systems	3
Correction: Highly efficient magnetic ablation and the contrast of various imaging using biocompatible liquid–metal gallium	3
The application of 3D printing in preoperative planning for transcatheter aortic valve replacement: a systematic review	3