Biomechanical mapping of the female pelvic floor /
References -- 12 - Cervical biomechanical deficiency and spontaneous preterm delivery -- Introduction -- Pilot study -- Cervix Monitor -- Studied population -- Examination procedure -- Data analysis and results -- Study with nonpregnant women -- Study with pregnant women -- Discussion -- Future dire...
| Main Author: | |
|---|---|
| Corporate Author: | |
| Format: | eBook |
| Language: | English |
| Published: |
London ; San Diego, CA :
Academic Press, an imprint of Elsevier,
[2023]
|
| Subjects: | |
| Online Access: | Connect to the full text of this electronic book |
Table of Contents:
- Front Cover
- Biomechanical Mapping of the Female Pelvic Floor
- Biomechanical Mapping of the Female Pelvic FloorVladimir EgorovChief Executive Officer, Chair of the Board, Advanced Tactil ...
- Copyright
- Dedication
- Contents
- Foreword by S. Abbas Shobeiri, MD, MBA, FACOG, FACS, CMPE
- 1
- Introduction
- 2
- Definitions and interpretation of biomechanical mapping
- Introduction
- Definitions
- Basic concepts
- Pressure
- Stress
- Strain
- Elasticity
- Stiffness
- Elastography
- Mechanical imaging
- Tactile imaging
- Functional tactile imaging
- Biomechanical integrity score
- Tactile ultrasound measurements
- Tactile ultrasound image fusion
- Biomechanical mapping
- Biomechanical mapping devices
- Vaginal Tactile Imager
- Vaginal Tactile Ultrasound Imager
- Cervix Monitor
- Antepartum Tactile Imager
- Laparoscopic Tissue Monitor
- Vaginal Tactile Electromyographic Imager
- Comments and interpretations
- Summary
- Abbreviations
- References
- 3
- Retrospective history and medical applications
- Introduction
- Earlier clinical applications
- Biophysical basis of tactile imaging
- Evaluation of tissue elasticity with force versus displacement measurement
- Delectability of inclusion in soft tissue
- Evaluation of elasticity moduli of bulk tissue
- Size and depth of inclusion
- Spatial resolution
- Signal processing and image formation
- Filtration and interpolation
- Moving object detection
- 2D image matching
- Reconstruction of 3D tactile image
- Clinical applications
- Breast
- The device
- Clinical study
- Prostate
- The device
- Clinical study
- Myofascial trigger point
- Vagina
- Vaginal probe design
- Pilot study
- Development study
- Detection of preprolapse conditions
- Summary
- References
- 4
- Biomechanical mapping with ultrasound and magnetic resonance imaging.
- Introduction
- Ultrasound elastography
- Strain ultrasound
- Technological aspects
- Clinical applications
- Breast
- Breast
- Prostate
- Prostate
- Heart
- Heart
- Levator ani
- Levator ani
- Urethra
- Urethra
- Cervix
- Cervix
- Perineum
- Perineum
- Shear wave ultrasound
- Technological aspects
- Clinical applications
- Breast
- Breast
- Prostate
- Prostate
- Liver
- Liver
- Muscles
- Muscles
- Levator ani
- Levator ani
- Urethra
- Urethra
- Cervix
- Cervix
- Perineum
- Perineum
- Ultrasound functional imaging
- Magnetic resonance elastography
- Dynamic magnetic resonance imaging
- Summary
- References
- 5
- Biomechanical mapping with force and pressure measurements
- Introduction
- Approach
- Perineometer
- Myotonometer
- Dynamometer
- Force devices
- Suction/aspiration probes
- Multisensor probes
- Discussion
- Summary
- References
- 6
- Pelvic floor characterization with vaginal tactile imaging
- Introduction
- Vaginal tactile imaging
- Device
- Measurement accuracy
- Clinical reproducibility
- Examination procedure
- Indications for use
- Clinical applications
- Test 1: Probe insertion
- Test 2: Probe elevation
- Test 3: Probe rotation
- Test 4: Valsalva maneuver
- Tests 5 and 6: Voluntary muscle contraction
- Test 7: Involuntary relaxation
- Test 8: Reflex muscle contraction
- Biomechanical paradigm
- Parameter 1: Maximum resistance force to insertion (N) (Test 1)
- Parameter 2: Insertion work (mJ) (Test 1)
- Parameters 3 and 4: Maximum stress-to-strain ratio (kPa/mm) (Test 1)
- Parameters 5 and 6: Maximum pressure (kPa) (Test 1)
- Parameter 11: Maximum pressure at probe elevation (kPa) (Test 2)
- Parameter 17: Maximum pressure gradient at probe elevation (kPa/mm) (Test 2)
- Parameter 19: Maximum intravaginal pressure at probe rotation (kPa) (Test 3).
- Parameter 20: Anterior versus posterior force at rest (N) (Test 3)
- Parameter 21: Left versus right force at rest (N) (Test 3)
- Parameter 26: Maximum pressure change at Valsalva (kPa) (Test 4)
- Parameter 27: Displacement of pressure peak along the vagina at Valsalva (mm) (Test 4)
- Parameter 35: Pelvic muscle contraction force (N) (Test 5)
- Parameter 36: Maximum intravaginal pressure at pelvic muscle contraction (kPa) (Test 5)
- Parameter 46: Involuntary pelvic muscle relaxation (%/s) (Test 7)
- Characterizing prolapse versus normal conditions
- Studied population
- Data analysis and results
- Changes with age, parity, and weight
- Studied population
- Data analysis
- Summary
- References
- 7
- Biomechanical integrity score
- Introduction
- Approach
- Vaginal Tactile Imager
- Studied population
- Statistical methods
- Results
- Discussion
- Summary
- References
- 8
- Preoperative assessment and prediction of pelvic prolapse surgery outcome
- Introduction
- Approach
- Vaginal Tactile imager
- Studied population
- Model design
- Statistical methods
- Results
- Discussion of predictive capability
- Discussion of modeling POP surgery outcome
- Summary
- References
- 9
- Changes of pelvic floor integrity after hysterectomy
- Introduction
- Approach
- Vaginal Tactile Imager
- Studied population
- Statistical methods
- Results
- Discussion
- Summary
- References
- 10
- Vaginal conditions after laser treatment
- Introduction
- Biomechanical changes after treatment
- Laser
- A pilot study
- Study 2
- Study 3
- Radiofrequency
- Pilot case report studies
- Recent trials
- Summary
- References
- 11
- Pelvic floor characterization with vaginal tactile ultrasound image fusion
- Introduction
- Vaginal Tactile Ultrasound Imager
- Study design
- Examination procedure
- Results
- Discussions.