Robert M. Kay
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View article: An Analysis of Reoperations Following Proximal Femoral Varus Derotational Osteotomy in Children with Cerebral Palsy
An Analysis of Reoperations Following Proximal Femoral Varus Derotational Osteotomy in Children with Cerebral Palsy Open
Background: Hip displacement is common in children with cerebral palsy (CP). The existing literature has focused on native-hip longevity in patients with CP. This study investigated the reoperation-free rate of hips in children with CP fol…
View article: Predictors of Changes in Pelvic Rotation after Surgery with or without Femoral Derotational Osteotomy in Ambulatory Children with Cerebral Palsy
Predictors of Changes in Pelvic Rotation after Surgery with or without Femoral Derotational Osteotomy in Ambulatory Children with Cerebral Palsy Open
Asymmetry of pelvic rotation affects function. However, predicting the post-operative changes in pelvic rotation is difficult as the root causes are complex and likely multifactorial. This retrospective study explored potential predictors …
View article: Supplementary Figures 1-5 from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene
Supplementary Figures 1-5 from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene Open
Supplementary Figures 1-5 from CUL7 Is a Novel Antiapoptotic Oncogene
View article: Data from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene
Data from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene Open
Using an expression cloning approach, we identify CUL7, a member of the cullin family, as a functional inhibitor of Myc-induced apoptosis. Deregulated expression of the Myc oncogene drives cellular proliferation yet also sensitizes cells t…
View article: Supplementary Figures 1-5 from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene
Supplementary Figures 1-5 from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene Open
Supplementary Figures 1-5 from CUL7 Is a Novel Antiapoptotic Oncogene
View article: Supplementary Figure Legends 1-5 from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene
Supplementary Figure Legends 1-5 from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene Open
Supplementary Figure Legends 1-5 from CUL7 Is a Novel Antiapoptotic Oncogene
View article: Data from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene
Data from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene Open
Using an expression cloning approach, we identify CUL7, a member of the cullin family, as a functional inhibitor of Myc-induced apoptosis. Deregulated expression of the Myc oncogene drives cellular proliferation yet also sensitizes cells t…
View article: Supplementary Figure Legends 1-5 from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene
Supplementary Figure Legends 1-5 from <i>CUL7</i> Is a Novel Antiapoptotic Oncogene Open
Supplementary Figure Legends 1-5 from CUL7 Is a Novel Antiapoptotic Oncogene
View article: Distal femoral extension osteotomy and patellar tendon advancement or shortening in ambulatory children with cerebral palsy: A modified Delphi consensus study and literature review
Distal femoral extension osteotomy and patellar tendon advancement or shortening in ambulatory children with cerebral palsy: A modified Delphi consensus study and literature review Open
Purpose: In children with cerebral palsy, flexion deformities of the knee can be treated with a distal femoral extension osteotomy combined with either patellar tendon advancement or patellar tendon shortening. The purpose of this study wa…
View article: Functional Bracing of Femur Fractures in Young Children Avoids Anesthesia and Spica Casting with Equivalent Outcomes: A Randomized Prospective Study
Functional Bracing of Femur Fractures in Young Children Avoids Anesthesia and Spica Casting with Equivalent Outcomes: A Randomized Prospective Study Open
Purpose: AAOS Clinical Practice Guidelines recommend spica casting for pediatric femur fractures ages 6 months to 5 years. Kramer et al. reported the use of custom made functional braces as an alternative; however, custom making braces pre…
View article: Assessment of foot alignment and function for ambulatory children with cerebral palsy: Results of a modified Delphi technique consensus study
Assessment of foot alignment and function for ambulatory children with cerebral palsy: Results of a modified Delphi technique consensus study Open
Purpose: The purpose of this study was to establish consensus for the assessment of foot alignment and function in ambulatory children with cerebral palsy, using expert surgeon’s opinion through a modified Delphi technique. Methods: The pa…
View article: Anterior distal femoral hemiepiphysiodesis in children with cerebral palsy: Establishing surgical indications and techniques using the modified Delphi method and literature review
Anterior distal femoral hemiepiphysiodesis in children with cerebral palsy: Establishing surgical indications and techniques using the modified Delphi method and literature review Open
Purpose: The purpose of this study was to develop consensus for the surgical indications of anterior distal femur hemiepiphysiodesis in children with cerebral palsy using expert surgeon opinion through a modified Delphi technique. Methods:…
View article: Finding consensus for hamstring surgery in ambulatory children with cerebral palsy using the Delphi method
Finding consensus for hamstring surgery in ambulatory children with cerebral palsy using the Delphi method Open
Purpose: There is marked variation in indications and techniques for hamstring surgery in children with cerebral palsy. There is particular uncertainty regarding the indications for hamstring transfer compared to traditional hamstring leng…
View article: Pre-operative nutrition assessments do not improve outcomes in cerebral palsy patients undergoing varus derotational osteotomy
Pre-operative nutrition assessments do not improve outcomes in cerebral palsy patients undergoing varus derotational osteotomy Open
Pre-operative nutritional assessments have been used as a “cornerstone” to help optimize nutritional status and weight in children with cerebral palsy (CP) to lower the risk of postoperative complications. However, the potential value of n…
View article: Lfc and Lsc Oncoproteins Represent Two New Guanine Nucleotide Exchange Factors for the Rho GTP-binding Protein
Lfc and Lsc Oncoproteins Represent Two New Guanine Nucleotide Exchange Factors for the Rho GTP-binding Protein Open
Lfc and Lsc are two recently identified oncoproteins that contain a Dbl homology domain in tandem with a pleckstrin homology domain and thus share sequence similarity with a number of other growth regulatory proteins including Dbl, Tiam-1,…
View article: Distal rectus femoris surgery in children with cerebral palsy: Results of a Delphi consensus project
Distal rectus femoris surgery in children with cerebral palsy: Results of a Delphi consensus project Open
Purpose The purpose of this study was for an international panel of experts to establish consensus indications for distal rectus femoris surgery in children with cerebral palsy (CP) using a modified Delphi method. Methods The panel used a …
View article: Jump Gait in Spastic Diplegia: An Expert Panel Case Review
Jump Gait in Spastic Diplegia: An Expert Panel Case Review Open
A detailed, thoughtful examination of a patient’s gait is an important aspect of the care of most patients in orthopaedics. Many times, an appropriate visual inspection of gait can reveal the most important pathologies seen in a general p…
View article: Quantitative Computed Tomography Assessment of Bone Deficits in Ambulatory Children and Adolescents with Spina Bifida: Importance of Puberty
Quantitative Computed Tomography Assessment of Bone Deficits in Ambulatory Children and Adolescents with Spina Bifida: Importance of Puberty Open
Pathologic fractures of the femur and tibia are common in youth with spina bifida (SB). These fractures may be associated with deficient bone accrual due to decreased ambulation and skeletal loading. This prospective cohort study used quan…
View article: Anterior distal femoral hemiepiphysiodesis with and without patellar tendon shortening for fixed knee flexion contractures in children with cerebral palsy
Anterior distal femoral hemiepiphysiodesis with and without patellar tendon shortening for fixed knee flexion contractures in children with cerebral palsy Open
Purpose Surgery is often required for fixed knee flexion contractures in patients with neuromuscular conditions. Anterior distal femoral hemiepiphysiodesis (ADFH) is an alternative to distal femoral extension osteotomy (DFEO) in skeletally…
View article: Indications for gastrocsoleus lengthening in ambulatory children with cerebral palsy: A Delphi consensus study
Indications for gastrocsoleus lengthening in ambulatory children with cerebral palsy: A Delphi consensus study Open
Purpose Equinus is the most common deformity in cerebral palsy (CP) and gastrocsoleus lengthening (GSL) is the most commonly performed surgery to improve gait and function in ambulatory children with CP. Substantial variation exists in the…
View article: Pre-operative methicillin resistant Staphylococcus aureus results do not predict surgical site infections in children undergoing varus derotational osteotomy
Pre-operative methicillin resistant Staphylococcus aureus results do not predict surgical site infections in children undergoing varus derotational osteotomy Open
Literature regarding the value of pre-operative nasal methicillin resistant S taphylococcus aureus (MRSA) swabs to predict surgical site infections (SSIs) in children undergoing lower extremity surgery is limited. The purpose of our study …
View article: Response to comment on Siddiqui et al: ‘Femoral shaft fractures in children with non-ambulatory neuromuscular disorders can be effectively treated using flexible intramedullary nails’
Response to comment on Siddiqui et al: ‘Femoral shaft fractures in children with non-ambulatory neuromuscular disorders can be effectively treated using flexible intramedullary nails’ Open
Dear Colleagues, We would like to thank you for your thoughtful comments and suggestions in regard to our study. 1 A recent study from our institution evaluated the very topic of length unstable femur fractures treated with flexible intram…
View article: Split Tibialis Anterior Tendon Transfer to The Peroneus Brevis or Tertius for the Treatment of Varus Foot Deformities in Children with Static Encephalopathy: A retrospective case series
Split Tibialis Anterior Tendon Transfer to The Peroneus Brevis or Tertius for the Treatment of Varus Foot Deformities in Children with Static Encephalopathy: A retrospective case series Open
SPLATT to the peroneus tertius or brevis is effective, and complications are rare. Subsequent valgus or recurrent varus deformities may occur, possibly requiring repeat surgery.
View article: Femoral shaft fractures in children with non-ambulatory neuromuscular disorders can be effectively treated using flexible intramedullary nails
Femoral shaft fractures in children with non-ambulatory neuromuscular disorders can be effectively treated using flexible intramedullary nails Open
Purpose There is little information in the literature regarding flexible intramedullary nails (FIN) for treating femur fractures in children with neuromuscular disorders. The purpose of this study is to investigate the outcomes of FIN for …
View article: Establishing surgical indications for hamstring lengthening and femoral derotational osteotomy in ambulatory children with cerebral palsy
Establishing surgical indications for hamstring lengthening and femoral derotational osteotomy in ambulatory children with cerebral palsy Open
Purpose Surgical procedures, such as medial hamstring lengthening (MHL) and femoral derotational osteotomy (FDO), can improve the gait of children with cerebral palsy (CP); however, substantial variation exists in the factors that influenc…
View article: Fever after varus derotational osteotomy is common, but not a risk factor for infection
Fever after varus derotational osteotomy is common, but not a risk factor for infection Open
Postoperative fever in pediatric patients following reconstructive hip surgery is of unknown significance. This study identifies the prevalence of postoperative fever after corrective hip surgery, its relationship to infection, and whether…
View article: Synovial fluid cell counts and its role in the diagnosis of paediatric septic arthritis
Synovial fluid cell counts and its role in the diagnosis of paediatric septic arthritis Open
Purpose Clinical presentation of paediatric septic arthritis (SA) can be similar to other joint pathologies. Despite potential for infection in all major joints, most diagnostic criteria are based on values from the hip. This study identif…