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Book: The adult hip

Clohisy, John C.

hip preservation surgery

2015

Abstract: There is a rising interest in trying to preserve hips, especially in younger patients, rather than replacing them. Hips are preserved by providing the patient with a new area of articular cartilage that prevents bone from rubbing on bone. This book, by ... ...

Author's details	John C. Clohisy
Abstract	"There is a rising interest in trying to preserve hips, especially in younger patients, rather than replacing them. Hips are preserved by providing the patient with a new area of articular cartilage that prevents bone from rubbing on bone. This book, by the leaders in the field, will comprehensively cover both the basic science and operative techniques necessary to understand and master the clinical skills necessary for hip preservation. Key Features: Authors are the inventors of these techniques, First comprehensive coverage of hip preservation surgery. This is a growing area of orthopedics. Covers anatomy, pathology, biomechanics, and treatment."--Provided by publisher
Keywords	Hip Joint / surgery ; Hip / surgery ; Hip Injuries / surgery ; Joint Diseases / surgery ; Adult
Language	English
Size	XIX, 762 S. : zahlr. Ill., graph. Darst.
Edition	3. ed.
Publisher	Wolters Kluwer
Publishing place	Philadelphia u.a.
Publishing country	United States
Document type	Book
Note	Includes bibliographical references and index
Accompanying material	Zugang zu zusätzlichem Internetmaterial über Code
HBZ-ID	HT018383919
ISBN	978-1-4511-8393-1 ; 1-4511-8393-3
Database	Catalogue ZB MED Medicine, Health

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2014 A 3522	available for loan (reading room)	Lesesaal EG
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Article: Revision Surgery for Proximal Junctional Kyphosis and the Role for Addressing Residual Deformity.

Clohisy, John C F / Kim, Han Jo

International journal of spine surgery

2023 Volume 17, Issue S2, Page(s) S65–S74

Abstract: Proximal junctional kyphosis (PJK) is a common complication of adult spinal deformity surgery. Initially described in Scheuermann kyphosis and adolescent scoliosis, PJK now represents a wide spectrum of diagnoses and severities. Proximal junctional ... ...

Abstract	Proximal junctional kyphosis (PJK) is a common complication of adult spinal deformity surgery. Initially described in Scheuermann kyphosis and adolescent scoliosis, PJK now represents a wide spectrum of diagnoses and severities. Proximal junctional failure (PJF) is the most severe form of PJK. Revision surgery for PJK may improve outcomes in the setting of intractable pain, neurological deficits, and/or progressive deformity. Accurate diagnosis of the driver(s) of PJK and a surgical strategy that addresses these factors are required to optimize outcomes for revision surgery and to avoid recurrent PJK. One such factor is residual deformity. Recent investigations on recurrent PJK have identified radiographic parameters that may be useful in revision surgery to minimize the risk of recurrent PJK. In this review, we discuss classification systems used to guide sagittal plane correction and literature investigating their utility in predicting and preventing PJK/PJF, we review the literature on revision surgery for PJK and addressing residual deformity, and we present illustrative cases.
Language	English
Publishing date	2023-06-26
Publishing country	Netherlands
Document type	Journal Article
ISSN	2211-4599
ISSN	2211-4599
DOI	10.14444/8512
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Article ; Online: Total Hip Arthroplasty in Patients with Bilateral Upper-Limb Amelia: A Report of 2 Cases.

Gibian, Joseph T / Youngman, Tyler R / Clohisy, John C

JBJS case connector

2023 Volume 13, Issue 3

Abstract: Case: We report two patients, a 43-year-old man and a 26-year-old woman, with bilateral absence of the upper extremity and severe hip osteoarthritis. The involved hip was the dominant extremity for both patients. Total hip arthroplasty (THA) was ... ...

Abstract	Case: We report two patients, a 43-year-old man and a 26-year-old woman, with bilateral absence of the upper extremity and severe hip osteoarthritis. The involved hip was the dominant extremity for both patients. Total hip arthroplasty (THA) was performed using a posterior approach with dual-mobility implants. Both patients report satisfactory outcomes including the ability to perform the significant range of motion required for daily activities such as toe-to-head motion. Conclusion: In patients with extreme range of motion requirements such as those affected with bilateral upper-limb amelia, a posterior THA with a dual-mobility implant may be safely and successfully performed to treat disabling hip osteoarthritis.
MeSH term(s)	Male ; Female ; Humans ; Adult ; Arthroplasty, Replacement, Hip ; Osteoarthritis, Hip/diagnostic imaging ; Osteoarthritis, Hip/surgery ; Hip Prosthesis ; Upper Extremity/surgery
Language	English
Publishing date	2023-07-21
Publishing country	United States
Document type	Case Reports ; Journal Article
ISSN	2160-3251
ISSN (online)	2160-3251
DOI	10.2106/JBJS.CC.23.00124
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Article ; Online: Developmental Dysplasia of the Hip: Contemporary Concepts and Treatment Innovations.

Clohisy, John C

The Journal of arthroplasty

2017 Volume 32, Issue 9S, Page(s) S18–S19

Language	English
Publishing date	2017-09
Publishing country	United States
Document type	Editorial
ZDB-ID	632770-9
ISSN	1532-8406 ; 0883-5403
ISSN (online)	1532-8406
ISSN	0883-5403
DOI	10.1016/j.arth.2017.05.026
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Article ; Online: Supplement to Proceedings-2016 AAHKS Annual Meeting.

Clohisy, John C

The Journal of arthroplasty

2017 Volume 32, Issue 9S, Page(s) S1–S2

Language	English
Publishing date	2017-09
Publishing country	United States
Document type	Editorial
ZDB-ID	632770-9
ISSN	1532-8406 ; 0883-5403
ISSN (online)	1532-8406
ISSN	0883-5403
DOI	10.1016/j.arth.2017.06.006
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Article ; Online: Outcomes of Revision Total Hip Arthroplasty in Patients 60 Years and Younger.

Parilla, Frank W / Hannon, Charles P / Pashos, Gail E / Gresham, Karla J / Clohisy, John C

The Iowa orthopaedic journal

2024 Volume 43, Issue 2, Page(s) 38–44

Abstract: Background: The annual volume of patients requiring revision total hip arthroplasty prior to age 60 is projected to increase considerably. Despite this, outcome data for revision THA in these younger patients remain limited. The purpose of this study ... ...

Abstract	Background: The annual volume of patients requiring revision total hip arthroplasty prior to age 60 is projected to increase considerably. Despite this, outcome data for revision THA in these younger patients remain limited. The purpose of this study was to define implant survivorship, identify risk factors for re-revision, and determine clinical outcomes of revision THA in patients aged ≤60 years. Methods: We identified 191 revision THAs performed in patients aged ≤60 years. Minimum 4-year follow-up was obtained in 141 (73.8%) hips (mean 10.3 years [range, 4-20]). Mean age was 48 years (range, 20-60). Forty-five hips (32%) had previously been revised. Indications for index revision included aseptic loosening (28%), polyethylene wear (26%), dislocation (20%), and infection (14%). Outcome measures were Kaplan-Meier survival free from re-revision and patient-reported outcome scores (mHHS, UCLA). Results: Survivorship free from re-revision for any cause was 78% [95% CI=70-85] at five years and 71% [62-78] at ten years. The most common indication for re-revision at both five and ten years was dislocation (12% [8-19], 16% [10-23]), followed by infection (6% [3-12], 10% [5-18]) and aseptic loosening (2% [1-7], 4% [1-11]). Mean scores were improved from baseline at six (mHHS +21.4, UCLA +0.9) and twelve years (mHHS +13.4, UCLA +0.5). Conclusion: Revision THA in patients less than 60 years of age was associated with considerably lower rates of early loosening-related failure than historically reported. Recurrent dislocation and infection appear to remain challenges in this population. Despite improvements in survivorship from earlier studies, patient-reported functional improvements remained relatively unchanged.
MeSH term(s)	Humans ; Middle Aged ; Arthroplasty, Replacement, Hip/adverse effects ; Hip Prosthesis ; Treatment Outcome ; Prosthesis Failure ; Reoperation ; Joint Dislocations ; Prosthesis Design ; Follow-Up Studies ; Retrospective Studies
Language	English
Publishing date	2024-01-08
Publishing country	United States
Document type	Journal Article
ZDB-ID	1204065-4
ISSN	1555-1377 ; 1541-5457
ISSN (online)	1555-1377
ISSN	1541-5457
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Article ; Online: Derotational femoral osteotomy locations and their influence on joint reaction forces in dysplastic hips.

Shepherd, Molly C / Clohisy, John C / Nepple, Jeffrey J / Harris, Michael D

Journal of orthopaedic research : official publication of the Orthopaedic Research Society

2023 Volume 41, Issue 11, Page(s) 2474–2483

Abstract: Femoral version (FV) deformities are common in patients with developmental dysplasia of the hip (DDH) and may contribute to cartilage damage due to abnormal joint loading. Derotational femoral osteotomy (DFO) surgery corrects FV deformities. However ... ...

Abstract	Femoral version (FV) deformities are common in patients with developmental dysplasia of the hip (DDH) and may contribute to cartilage damage due to abnormal joint loading. Derotational femoral osteotomy (DFO) surgery corrects FV deformities. However there is little consensus about the femoral transection location for DFO, and its influence on joint loads is unknown. The purpose of this study was to compare the effects of two common DFO locations on muscle forces and hip joint reaction forces (JRFs) in patients with DDH. DFO was simulated in nine patients with DDH and abnormal FV using patient-specific musculoskeletal models. Femoral transection for DFO was separately simulated proximal and distal to the lesser trochanter and FV values were corrected to an idealized 15°. JRFs during early and late stance of gait were compared between the two simulated transection locations. Most changes to JRFs were similar between proximal and distal DFO, however, statistically significant differences were found for the medial JRF component during late stance among patients with femoral anteversion (p = 0.01). Force changes from five hip muscles were significantly different between DFO locations, however, changes were minimal. Most changes after DFO in patients with femoral retroversion were opposite of those with femoral anteversion, with anteroposterior and superior JRFs increasing after retroversion correction. After DFO correction, superior and medial JRFs in DDH patients remained elevated compared to controls. Understanding the influence of DFO location on muscle-generated hip forces can help surgeons justify decisions and potentially standardize surgical correction of FV deformities in patients with DDH.
MeSH term(s)	Humans ; Hip Joint/surgery ; Hip Joint/physiology ; Femur/surgery ; Gait/physiology ; Muscle, Skeletal ; Osteotomy ; Retrospective Studies
Language	English
Publishing date	2023-03-31
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
ZDB-ID	605542-4
ISSN	1554-527X ; 0736-0266
ISSN (online)	1554-527X
ISSN	0736-0266
DOI	10.1002/jor.25559
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Article: Concepts and Techniques to Prevent Cervical Spine Deformity After Spine Surgery: A Narrative Review.

Merrill, Robert K / Clohisy, John C / Albert, Todd J / Qureshi, Sheeraz A

Neurospine

2023 Volume 20, Issue 1, Page(s) 221–230

Abstract: Adult cervical spine deformity is associated with decreased health-related quality of life, disability, and myelopathy. A number of radiographic parameters help to characterize cervical deformity and aid in the diagnosis and treatment. There are several ... ...

Abstract	Adult cervical spine deformity is associated with decreased health-related quality of life, disability, and myelopathy. A number of radiographic parameters help to characterize cervical deformity and aid in the diagnosis and treatment. There are several etiologies for cervical spine deformity, the most common being iatrogenic. Additionally, spine surgery can accelerate adjacent segment degeneration which may lead to deformity. It is therefore important for all spine surgeons to be aware of the potential to cause iatrogenic cervical deformity. The aim of this review is to highlight concepts and techniques to prevent cervical deformity after spine surgery.
Language	English
Publishing date	2023-03-31
Publishing country	Korea (South)
Document type	Journal Article
ZDB-ID	3031654-6
ISSN	2586-6591 ; 2586-6583
ISSN (online)	2586-6591
ISSN	2586-6583
DOI	10.14245/ns.2244780.390
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Severe contracture in the lower extremity resulting from an osteoid osteoma of the lumbar spine in close proximity to neural elements in an adolescent: a case report.

Clohisy, John C F / Rubio, Daniel R / Gupta, Munish C

Spine deformity

2022 Volume 10, Issue 3, Page(s) 727–731

Abstract: Case: We report a rare case of a right-sided L4-5 facet osteoid osteoma in a 11-year-old female who presented with lower extremity pain, contractures, and gait disturbance in the setting of failed radiofrequency ablation. After open excision and single- ... ...

Abstract	Case: We report a rare case of a right-sided L4-5 facet osteoid osteoma in a 11-year-old female who presented with lower extremity pain, contractures, and gait disturbance in the setting of failed radiofrequency ablation. After open excision and single-level posterolateral fusion with instrumentation, her symptoms resolved and her spinopelvic parameters normalized. Conclusions: This case highlights the contracture that may occur as a result of neurogenic pain from an osteoid osteoma in close proximity to neural structures.
MeSH term(s)	Adolescent ; Child ; Contracture/complications ; Female ; Humans ; Lower Extremity ; Lumbar Vertebrae/diagnostic imaging ; Lumbar Vertebrae/surgery ; Osteoma, Osteoid/complications ; Osteoma, Osteoid/diagnostic imaging ; Osteoma, Osteoid/surgery ; Pain/etiology ; Spinal Neoplasms/complications ; Spinal Neoplasms/diagnostic imaging ; Spinal Neoplasms/surgery
Language	English
Publishing date	2022-01-06
Publishing country	England
Document type	Case Reports ; Journal Article
ZDB-ID	2717704-X
ISSN	2212-1358 ; 2212-134X ; 2212-1358
ISSN (online)	2212-1358 ; 2212-134X
ISSN	2212-1358
DOI	10.1007/s43390-021-00449-6
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Article ; Online: Cervical Total Disc Replacement in Athletes: A Systematic Review.

Clohisy, John C F / Maayan, Omri / Asada, Tomoyuki / Qureshi, Sheeraz A

Clinical spine surgery

2023 Volume 36, Issue 9, Page(s) 369–374

Abstract: Study design: Systematic review.: Objective: To perform a systematic review to describe clinical characteristics, outcomes, and return to play after cervical total disc replacement (cTDR) in athletes.: Summary of background data: The role of cTDR ... ...

Abstract	Study design: Systematic review. Objective: To perform a systematic review to describe clinical characteristics, outcomes, and return to play after cervical total disc replacement (cTDR) in athletes. Summary of background data: The role of cTDR in treating athletes with symptomatic cervical degenerative disc disease is undefined. Methods: A systematic search using MEDLINE through PubMed, EMBASE, and the Cochrane Library was conducted to identify all relevant literature. Data regarding study type, country in which the study was conducted, sample size, mean age, sex, type of sport, level of patient participation in sports, surgical indication, levels operated, type of implant, duration of follow-up, reoperations, surgical complications, extent of postoperative return to sports (RTSs), time to RTSs, and outcome notes were extracted from the included studies and analyzed. Results: Seven studies, including 4 case series and 3 case reports, and a total of 57 cTDR cases, were included. There was significant heterogeneity among the cTDR cases in terms of chosen sport and level of participation. Prestige LP was utilized in 51 out of 57 (89.5%) cases and 53 out of 57 (93%) cases were single-level. No reoperations were noted at a mean follow-up of 51.6 months. All patients returned to sports postoperatively. Return to training and competition occurred at a mean of 10.1 weeks and 30.7 weeks postoperatively, respectively. Conclusions: The available evidence regarding cTDR in athletes indicates that these patients RTSs at high rates, with return to training occurring around 10 weeks and return to competition occurring around 30 weeks. Clinical outcomes in these patients are like those reported for the general population. Low-level evidence, small numbers of cases, heterogeneity in chosen sport and participation level, and predominance of a single implant type limit the conclusions that can be drawn from the current literature on this patient population.
MeSH term(s)	Humans ; Total Disc Replacement ; Treatment Outcome ; Intervertebral Disc Degeneration/surgery ; Intervertebral Disc/surgery ; Athletes
Language	English
Publishing date	2023-09-14
Publishing country	United States
Document type	Systematic Review ; Journal Article
ZDB-ID	2849646-2
ISSN	2380-0194 ; 2380-0186
ISSN (online)	2380-0194
ISSN	2380-0186
DOI	10.1097/BSD.0000000000001526
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