Pre- and post-operative evaluation of pincer-type femoroacetabular impingement during squat using image-matching techniques: A case report

•Hip kinematics with pincer-type femoroacetabular impingement were evaluated.•Rim-neck clearance was visualized based on patient’s kinematics and morphology.•Image-matching techniques were used for pre-and post-operative evaluation.•We could detect the precise location of the impingement during squa...

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Published inInternational journal of surgery case reports Vol. 42; pp. 121 - 127
Main Authors Yoshimoto, Kensei, Hamai, Satoshi, Higaki, Hidehiko, Gondo, Hirotaka, Ikebe, Satoru, Nakashima, Yasuharu
Format Journal Article
LanguageEnglish
Published Netherlands Elsevier Ltd 01.01.2018
Elsevier
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Online AccessGet full text
ISSN2210-2612
2210-2612
DOI10.1016/j.ijscr.2017.12.007

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Abstract •Hip kinematics with pincer-type femoroacetabular impingement were evaluated.•Rim-neck clearance was visualized based on patient’s kinematics and morphology.•Image-matching techniques were used for pre-and post-operative evaluation.•We could detect the precise location of the impingement during squat.•Image-matching techniques were useful to assess femoroacetabular impingement. Although combined evaluation of hip joint kinematics and bone morphology is necessary for accurate assessment of femoroacetabular impingement (FAI), there are no report which evaluated hip kinematics of pincer-type FAI. The pre- and postoperative hip kinematics of a 46-year-old man, with a pincer-type FAI during squat were evaluated using image-matching techniques and the rim-neck distance was measured. Preoperative simulation of squatting was also performed using patient’s bone models and healthy subject’s kinematics data to detect the overlapping lesion between the acetabulum and the femur. Post-acetabuloplasty, right coxalgia during squat disappeared, and the Harris Hip Score improved from 79 to 92 at one year after surgery. Posterior pelvic tilt, femoral and hip flexion angle changed from 24.0°, 101.1°, and 70.8° to 23.3°, 92.6°, and 63.3°, respectively. The minimum rim-neck distance at maximum hip flexion improved from 1.8mm to 7.3mm. We could evaluate both of hip kinematics and morphology with image-matching techniques, and could visualize the clearance between the femoral head-neck junction and the acetabular rim. Image-matching techniques were clinically useful to assist surgeons in detecting the location of the impingement and confirming resection of the pincer lesion post-operatively.
AbstractList Although combined evaluation of hip joint kinematics and bone morphology is necessary for accurate assessment of femoroacetabular impingement (FAI), there are no report which evaluated hip kinematics of pincer-type FAI.INTRODUCTIONAlthough combined evaluation of hip joint kinematics and bone morphology is necessary for accurate assessment of femoroacetabular impingement (FAI), there are no report which evaluated hip kinematics of pincer-type FAI.The pre- and postoperative hip kinematics of a 46-year-old man, with a pincer-type FAI during squat were evaluated using image-matching techniques and the rim-neck distance was measured. Preoperative simulation of squatting was also performed using patient's bone models and healthy subject's kinematics data to detect the overlapping lesion between the acetabulum and the femur. Post-acetabuloplasty, right coxalgia during squat disappeared, and the Harris Hip Score improved from 79 to 92 at one year after surgery. Posterior pelvic tilt, femoral and hip flexion angle changed from 24.0°, 101.1°, and 70.8° to 23.3°, 92.6°, and 63.3°, respectively. The minimum rim-neck distance at maximum hip flexion improved from 1.8mm to 7.3mm.PRESENTATION OF CASEThe pre- and postoperative hip kinematics of a 46-year-old man, with a pincer-type FAI during squat were evaluated using image-matching techniques and the rim-neck distance was measured. Preoperative simulation of squatting was also performed using patient's bone models and healthy subject's kinematics data to detect the overlapping lesion between the acetabulum and the femur. Post-acetabuloplasty, right coxalgia during squat disappeared, and the Harris Hip Score improved from 79 to 92 at one year after surgery. Posterior pelvic tilt, femoral and hip flexion angle changed from 24.0°, 101.1°, and 70.8° to 23.3°, 92.6°, and 63.3°, respectively. The minimum rim-neck distance at maximum hip flexion improved from 1.8mm to 7.3mm.We could evaluate both of hip kinematics and morphology with image-matching techniques, and could visualize the clearance between the femoral head-neck junction and the acetabular rim.DISCUSSIONWe could evaluate both of hip kinematics and morphology with image-matching techniques, and could visualize the clearance between the femoral head-neck junction and the acetabular rim.Image-matching techniques were clinically useful to assist surgeons in detecting the location of the impingement and confirming resection of the pincer lesion post-operatively.CONCLUSIONImage-matching techniques were clinically useful to assist surgeons in detecting the location of the impingement and confirming resection of the pincer lesion post-operatively.
Although combined evaluation of hip joint kinematics and bone morphology is necessary for accurate assessment of femoroacetabular impingement (FAI), there are no report which evaluated hip kinematics of pincer-type FAI. The pre- and postoperative hip kinematics of a 46-year-old man, with a pincer-type FAI during squat were evaluated using image-matching techniques and the rim-neck distance was measured. Preoperative simulation of squatting was also performed using patient's bone models and healthy subject's kinematics data to detect the overlapping lesion between the acetabulum and the femur. Post-acetabuloplasty, right coxalgia during squat disappeared, and the Harris Hip Score improved from 79 to 92 at one year after surgery. Posterior pelvic tilt, femoral and hip flexion angle changed from 24.0°, 101.1°, and 70.8° to 23.3°, 92.6°, and 63.3°, respectively. The minimum rim-neck distance at maximum hip flexion improved from 1.8mm to 7.3mm. We could evaluate both of hip kinematics and morphology with image-matching techniques, and could visualize the clearance between the femoral head-neck junction and the acetabular rim. Image-matching techniques were clinically useful to assist surgeons in detecting the location of the impingement and confirming resection of the pincer lesion post-operatively.
• Hip kinematics with pincer-type femoroacetabular impingement were evaluated. • Rim-neck clearance was visualized based on patient’s kinematics and morphology. • Image-matching techniques were used for pre-and post-operative evaluation. • We could detect the precise location of the impingement during squat. • Image-matching techniques were useful to assess femoroacetabular impingement.
•Hip kinematics with pincer-type femoroacetabular impingement were evaluated.•Rim-neck clearance was visualized based on patient’s kinematics and morphology.•Image-matching techniques were used for pre-and post-operative evaluation.•We could detect the precise location of the impingement during squat.•Image-matching techniques were useful to assess femoroacetabular impingement. Although combined evaluation of hip joint kinematics and bone morphology is necessary for accurate assessment of femoroacetabular impingement (FAI), there are no report which evaluated hip kinematics of pincer-type FAI. The pre- and postoperative hip kinematics of a 46-year-old man, with a pincer-type FAI during squat were evaluated using image-matching techniques and the rim-neck distance was measured. Preoperative simulation of squatting was also performed using patient’s bone models and healthy subject’s kinematics data to detect the overlapping lesion between the acetabulum and the femur. Post-acetabuloplasty, right coxalgia during squat disappeared, and the Harris Hip Score improved from 79 to 92 at one year after surgery. Posterior pelvic tilt, femoral and hip flexion angle changed from 24.0°, 101.1°, and 70.8° to 23.3°, 92.6°, and 63.3°, respectively. The minimum rim-neck distance at maximum hip flexion improved from 1.8mm to 7.3mm. We could evaluate both of hip kinematics and morphology with image-matching techniques, and could visualize the clearance between the femoral head-neck junction and the acetabular rim. Image-matching techniques were clinically useful to assist surgeons in detecting the location of the impingement and confirming resection of the pincer lesion post-operatively.
Author Hamai, Satoshi
Nakashima, Yasuharu
Ikebe, Satoru
Gondo, Hirotaka
Yoshimoto, Kensei
Higaki, Hidehiko
AuthorAffiliation b Department of Life Science, Faculty of Life Science, Kyushu Sangyo University, 2-3-1 Matsugadai, Higashi-ku, Fukuoka, 813-0004, Japan
a Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
c Department of Biorobotics, Faculty of Engineering, Kyushu Sangyo University, 2-3-1 Matsugadai, Higashi-ku, Fukuoka, 813-0004, Japan
d Department of Creative Engineering, National Institute of Technology, Kitakyushu College, 5-20-1 Shii, Kokuraminamiku, Kitakyushu, Fukuoka, 802-0985, Japan
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Keywords Image-matching techniques
Case report
Pincer
Hip
Femoroacetabular impingement
Kinematics
Language English
License This is an open access article under the CC BY-NC-ND license.
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Snippet •Hip kinematics with pincer-type femoroacetabular impingement were evaluated.•Rim-neck clearance was visualized based on patient’s kinematics and...
Although combined evaluation of hip joint kinematics and bone morphology is necessary for accurate assessment of femoroacetabular impingement (FAI), there are...
• Hip kinematics with pincer-type femoroacetabular impingement were evaluated. • Rim-neck clearance was visualized based on patient’s kinematics and...
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SubjectTerms Case report
Femoroacetabular impingement
Hip
Image-matching techniques
Kinematics
Pincer
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Title Pre- and post-operative evaluation of pincer-type femoroacetabular impingement during squat using image-matching techniques: A case report
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