Freddy Mertens Bombah¹*, Alphonse Ngalame², René Essomba³, Yannick Ekani Boukar², Enrique Zoa Nkoa4, Daniel Handy Eone4

1Department of Surgery and Specialty, Faculty of Medicine and Pharmaceutical Sciences, University of Douala, Cameroon

2Department of Gynecology and Obstetrics, Faculty of Health Sciences, University of Buea, Cameroon

3Department of Surgery and Specialty, Higher Institute of Medical Technology, University of Douala, Cameroon

4Department of Surgery and Specialty, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Cameroon

Introduction: Obstetric fractures or Birth fractures are rare events following childbirth. Although fracture of the femur is a relatively uncommon injury, it is the most common fracture of the lower extremity in the newborn. Since evolution of cesarean section rates in Africa, it is one of the most commonly practiced modes of delivery for breech. We described one case of fracture of the femur at cesarean section treated at Adlucem hospital in bonabéri-Douala (Cameroon).

Case report: A 2.1 kg male infant was delivered by lower segment cesarean section for breech presentation. Clinical and radiological examination showed shaft fracture of femur with good evolution.

Discussion: Fractures of the long bones are associated with cesarean section, breech delivery with assistance and low birth weight. Femoral fractures are the most associated long bones fracture with cesarean section.

Conclusion: The clinical and paraclinical diagnosis is simple and the management is mostly non-operative. It is important to explain to the parents and especially to the mother the benignity of the lesion.

DOI: 10.29245/2767-5130/2021/3.1150 View / Download Pdf

Nicholas M Bertha

Adeshina Adeyemo

Kevin J Perry

Gary F Updegrove*

DOI: 10.29245/2767-5130/2021/3.1146 View / Download Pdf

Gregory W. Kunis1*, Joshua A. Berko1, Jeffrey C. Shogan1, Joshua B. Sharan1, Derek Jones2

1Nova Southeastern University, Kiran C. Patel College of Osteopathic Medicine, Florida, USA

2Department of Orthopedic Surgery, Broward Health, Florida, USA

Intro: Tibial tuberosity avulsion fractures are rare fracture patterns accounting for less than 1% of all pediatric fractures. These fractures occur when there is a sudden unbalancing of forces through the patellar tendon that separates the tibial tubercle from the anterior portion of the proximal tibia. These forces are commonly introduced in sporting activities and show a predominance for adolescent males. Treatment with open reduction internal fixation commonly results in favorable outcomes with minimal complications. In this presentation, we explore a case of a tibial tuberosity avulsion fracture and give an in-depth review of all aspects concerning this fracture pattern.

Case Description: A 14-year-old male with no significant past medical history presented via emergency medical services after a ground level fall while playing basketball. Radiographs of the left knee and tibia revealed an Ogden Type III, distracted avulsion fracture of the tibial tuberosity with suprapatellar effusion. Surgical intervention was achieved through open reduction internal fixation of the left tibial tubercle.

Discussion: Although a relatively rare fracture pattern, this case demonstrates a classic presentation and treatment of a tibial tuberosity avulsion fracture. This case serves as a reminder that despite the rarity of the injury, a clinician with an appropriate index of suspicion can accurately diagnose and treat this fracture and achieve positive outcomes in returning the patient to pre-injury activities. For those reasons, we provide a comprehensive overview of all aspects regarding this fracture pattern including the anatomy, embryology, mechanism of action, predisposing conditions, treatment considerations, complications and associated injuries.

DOI: 10.29245/2767-5130/2021/3.1149 View / Download Pdf

Spencer W. Sullivan*, Ioonna Félix

Sports Medicine Institute, Hospital for Special Surgery, New York, NY, USA

This clinical case presents an elite level 23-year-old female tennis athlete with a high-grade partial thickness tear of the supraspinatus with associated pain, dysfunction, and deficits in strength and range of motion (ROM) of her trunk and lower extremities. The purpose was to determine the efficacy of using a regional interdependence approach in the treatment of a partial supraspinatus tear with associated kinetic chain deficits in an elite level athlete. Following 24 physical therapy sessions, pain, mobility (ROM), strength, and function improved in the dominant shoulder in addition to further symmetry of the trunk and lower extremity due to a regional interdependence rehabilitation approach and returned to elite level of play. As a result of this case, it is important for clinicians to consider a comprehensive, global approach to patient rehabilitation following injury.

DOI: 10.29245/2767-5130/2021/3.1147 View / Download Pdf

Jamie Heimroth1*, Max L. Willinger1, Nipun Sodhi1, Luke J. Garbarino1, Peter A. Gold1, Jonathan R. Danoff2, Sreevathsa Boraiah2

1Department of Orthopedic Surgery, Long Island Jewish Medical Center, Queens, NY, USA

2Department of Orthopedic Surgery, North Shore University Hospital, Manhasset, NY, USA

Chronic refractory pain after total joint replacement is debilitating and a source of dissatisfaction for patients. The management of pain following total joint replacement varies during the acute postoperative period compared to the 3 months postoperative at which point the pain is considered chronic pain. Acute postoperative pain relief programs have seen promising results with multimodal pain control through the use of combinations of opioids, acetaminophen, nonsteroidal anti-inflammatory drugs, gabapentinoids and ketamine. The addition of regional blocks to the multimodal regimen has improved acute postoperative pain control following total joint replacements. On the other hand, chronic pain can be successfully managed with options including genicular nerve radioablation therapy (GN-RFA), neuromuscular electrical stimulation (NMES), transcutaneous electrical nerve stimulation (TENS), and peripheral subcutaneous field stimulation (PSFS). While there is still minimal data on chronic pain relief regimens, meta-analyses and case reports have demonstrated the effectiveness and promising outcomes. This paper aims to evaluate the current medications and treatment options for managing refractory pain following TJA.

DOI: 10.29245/2767-5130/2021/3.1143 View / Download Pdf

Jay Moran1, Mark D. Miller2, Michael J. Medvecky1*

1Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, CT, USA

2Department of Orthopaedics, University of Virginia, Charlottesville, VA, USA

DOI: 10.29245/2767-5130/2021/3.1148 View / Download Pdf

Jayme Bristol

APRN-C, Orthopedic Department at Nebraska Medical Center in Omaha, NE; Clarkson College, Omaha, NE, USA

Background: Total hip replacement surgeries are one of the most common orthopedic surgeries performed today1. This number continues to rise. One way to accommodate the growing need for inpatient orthopedic beds is through high hospital turnover. High turnover can possibly be accomplished through early ambulation. The goal of the study is to see if standing or walking before eight hours post-operative decreased overall length of hospital stay. Methods: This research study is a retrospective chart review that looked at 92 randomly selected general anesthesia total hip replacement patients from Nebraska Medicine in Omaha, NE from August 2017 to August 2018. This research study makes a clear definition of early ambulation after total hip replacement surgery: standing or walking within eight hours of surgery. Results: From the analyzed research the average length of stay for all 92 total hip replacement patients was 4.23 days. For those total hip replacement patients who were ambulated within eight hours of surgery completion the average length of stay was 2.83 days. For the total hip replacement patients who were ambulated after eight hours of surgery completion the average length of stay was 5.14 days. Conclusion: There is a statistically significant difference in length of hospital stay for total hip replacement patients at Nebraska Medicine who were ambulated within eight hours of surgery completion compared to those who were not.

DOI: 10.29245/2767-5130/2021/2.1137 View / Download Pdf

Peter R. Reuter*, Arie J. van Duijn, Kaylee R. Fichthorn, Lacy Mroz

Department of Rehabilitation Sciences, Marieb College of Health & Human Services, Florida Gulf Coast University, Fort Myers, Florida, USA

Joint hypermobility is largely understood as a dysfunction of collagen fibers within connective tissues, allowing for a range of motion markedly increased over validated normal values. The ulnar collateral ligament (UCL) of the elbow provides stability to the elbow during valgus stress and, thus, has great significance in overhead throwing sports due to its susceptibility to injury. Our cross-sectional study explored the relationship between the length and width of the anterior bundle of the ulnar collateral ligament of the elbow and joint hypermobility. Two hundred and eighty-four undergraduate students completed a Beighton score assessment. Ultrasound images of the participants’ UCL were obtained in both arms at rest and under gravity induced valgus force. Sixty-one participants reported hypermobility in at least one elbow joint, and hypermobility in one elbow joint was correlated with hypermobility in the other. There were moderate correlations between UCL thickness and joint gapping between left and right elbow joints. However, there was no significant difference in UCL anterior bundle thickness or medial elbow joint gapping at rest or under valgus stress between those with and without hypermobile elbow joints. The thickness of the anterior bundle of the UCL and humeroulnar joint gap at rest moderately correlates to corresponding thickness and width under valgus stress. There is no significant difference in UCL anterior bundle thickness or joint width in people with elbow hypermobility and those without.

DOI: 10.29245/2767-5130/2021/2.1140 View / Download Pdf

R. Spagnolo1*, D. Porreca2, M. Vimercati3, F. Pace4

1Department of Orthopaedic Surgery, Hospital Niguarda Cà Granda, Milan, Italy

2Physiotherapist, ASST BergamomOvest-Hospital, Treviglio Caravaggio, Italy

3Physiotherapist, Hospital Niguarda Cà Granda, Milan, Italy

4First Orthopaedic Clinic-Hospital Gaetano Pini, University of Milan, Italy

Posterior fractures of the acetabulum are the most frequent pattern of acetabular fractures. Based on the works of Judet and Letournel, accurate reduction and stable osteosynthesis with early mobilization have become the gold standard for the treatment of posterior acetabular fractures. Recently, a less invasive approach has been described to decrease Kocher-Langenbeck (K-L) approach complications. The clinical case describes a patient affected by two-column fractures of the acetabulum with skin abrasions of the gluteus. The clinical evaluation was based on Merle d’Aubigne and Postel scoring, which Matta has modified. The approach used is a modified, less invasive K-L: a straight skin incision from the midpoint between the posterior superior iliac spine and the posterior tip of the greater trochanter. We observed the essential advantages using this approach were a lesser split of the gluteus maximus and no risk of damage for the superior gluteal nerve. In the early postoperative rehabilitation, we examined the strength of the gluteus maximus, which was better than in patients treated with the typical Kocher–Langenbeck approach. The patient resumed after fifteen years after surgery; hip mobility is complete and painless.

DOI: 10.29245/2767-5130/2021/2.1133 View / Download Pdf

Júlia Benini Kohler1, Jader Joel Machado Junqueira1, Taysa Cristiane Moreira da Silva3, Marco Antonio Gonçalves Pontes Filho3,4, Iolanda De Fátima L C Tibério1, Fernanda Degobbi T Q S Lopes1, Alexandre Póvoa Barbosa1,2*

1Department of Medicine, Laboratory of Experimental Therapeutics (LIM-20), School of Medicine, University of Sao Paulo, Sao Paulo, Brazil

2Department of Orthopaedics, Hospital do Coração - SP Brazil

3Department of Rheumatology, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil

4Departments of Orthopaedics and Rheumatology, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil

Despite of clinical evidence of increased incidence of bone diseases amongst smokers as well as worsening recovery in orthopedic surgeries, it is still unclear which pathological mechanisms are induced by smoking and how these events impair bone turnover.

Animal models and in vitro studies have been used to better elucidate these questions and smoking-induced oxidative stress have been pointed as playing crucial role in the worsening of bone cells activities leading bone damage.

Oxidative stress is a physiological mechanism characterized by an imbalance between oxidants and antioxidants components. This imbalance leads cell damage and consequent release of inflammatory mediators, resulting in structural changes that impair the functionality of compromised organ.

In this review, we summarize findings from clinical, animal models and in vitro studies that have elucidated the importance of the oxidative stress induced by smoking in different bone cells activities, leading bone mineral and organic matrix structural changes.

Highlights

We present the newest findings in understanding the impact of smoking in bone matrix composition. Review the clinical and experimental evidence for smoking-induced oxidative stress potential roles in bone turnover. Descript future directions for research and clinical management.

DOI: 10.29245/2767-5130/2021/2.1138 View / Download Pdf

Sagar Tontanahal1, Gahukamble Abhay Deodas1, Deeptiman James1, Anand Kurian2, Thomas Palocaren1*

1Department of Paediatric Orthopaedics, Christian Medical College, Vellore, India

2Department of Orthopaedics, Christian Medical College, Vellore, India

Background: The management of malignant bone tumors in children has come a long way in the past few decades. The transition from amputation to limb salvage has been made possible due to the rapid development in the diagnosis and the oncological management of these malignant tumors. However, there exist significant reservations regarding endoprosthetic reconstruction in children.

Material and methods: A mini-review was conducted of articles detailing the use of prosthetic reconstruction following tumor resection in children. The data regarding complications and functional outcomes following surgery were collected and presented.

Results: The studies reviewed reported a 5-year survival rate between 60 – 70 %. Uniform across the studies was the need for multiple surgeries when endoprosthesis was used for limb reconstruction, ranging between 2.8 – 3.5 surgeries. The most common complication noted across the studies was related to soft tissue problems such as joint instability followed by structural failure of the prosthesis. Infections were noted with a frequency of 10 – 15 %. Studies showed successful management of limb length discrepancy with expandible prosthesis. Musculoskeletal Tumor Society (MSTS) score used to evaluate the functional outcome showed satisfactory outcomes.

Conclusion: Limb salvage surgery, with recent advances in technique and prosthesis design, is an attractive option in children with extremity malignant bone tumors. In recent time, endoprosthetic reconstruction of extremities have yielded good functional results and are well accepted by the child and the parents. The purpose of this mini-review is to shed some light on the use of endoprosthetic reconstruction in children following tumor resection with its potential benefits and drawbacks.

DOI: 10.29245/2767-5130/2021/2.1135 View / Download Pdf

Adrienn Markovics1*, Daniel M. Toth2, Tibor T. Glant1, Katalin Mikecz1

1Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA

2Division of Rheumatology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA

Rheumatoid arthritis (RA) is a systemic autoimmune disease leading primarily to the inflammatory destruction of the synovial joints, ultimately resulting in loss of mobility and a decreased quality of life. Recent advances in RA-related research resulted in the introduction of Janus kinase (JAK) inhibitors to the therapeutic arsenal. JAK inhibitors are orally available and provide efficacy similar to that of disease-modifying anti-rheumatic drugs. However, due to the limited selectivity of these drugs, many RA patients experience adverse effects. The potential benefit of modulating protein tyrosine phosphatases, instead of inhibiting kinases, has not been explored. Using an animal model of RA, our group investigated the role of the Src homology region 2 domain-containing phosphatase 1 (SHP-1) in inflammatory arthritis. The purpose of the present article is to highlight important conclusions of our previous paper entitled “Regulation of autoimmune arthritis by the SHP-1 tyrosine phosphatase”. Herein we briefly present and discuss the observations of this study. We also outline future directions toward investigating the therapeutic potential of targeting SHP-1 in inflammatory arthritis in order to develop a new type of orally available drugs for the treatment of RA.

DOI: 10.29245/2767-5130/2021/2.1134 View / Download Pdf

Sophia L. Mancini1, Clark Dickin1, Dorice A. Hankemeier2, Lindsey Rolston3, Henry Wang1*

1Biomechanics Laboratory, Ball State University, Muncie, IN, USA

2Ball State University, Muncie, IN, USA

3Henry County Center for Orthopedic Surgery & Sports Medicine, New Castle, IN, USA

Soccer is becoming an increasingly popular sport amongst women. Common movements during play, such as jumping and cutting, require rapid acceleration and deceleration of multiple lower-limb joints. The anterior cruciate ligament (ACL), which contributes to stabilization of the knee, is often injured during these events. ACL injury typically requires costly surgery, extended time away from sports, and jeopardizes long-term joint health. Due to sex-specific factors such as menstruation and anatomical disadvantages, women are more susceptible to tearing their ACL. Injury often occurs in non-contact scenarios during rapid acceleration or deceleration movements. Research has examined these movements and established several kinematic and kinetic mechanisms as well as muscle activation patterns that frequently occur at the time of injury, however results tend to vary based on population. This article summarizes recent and relevant literature of ACL injury mechanisms and highlights the lack of specific research in the high-risk female soccer athlete population. Due to inconclusive risk factors, injury prevention programs within this population have been inconsistent. ACL injury risk for female soccer athletes should be closer examined so that more specific injury risks can be established, and effective protective measures can be taken. Raised awareness of this need may capture attention in the research and medical communities and potentially stimulate the development of strategies that limit future ACL injury and thus the challenges it brings to the high-risk female soccer athlete.

DOI: 10.29245/2767-5130/2021/1.1128 View / Download Pdf

Kentaro Amaha

Department of Orthopedic Surgery, Foot and Ankle; St. Luke's International Hospital, Tokyo, Japan

Metatarsalgia is one of the most common causes of forefoot pain, and it is characterized by pain in the front part of the foot under the head of the metatarsal bones. Primary metatarsalgia is idiopathic, but it has been suggested to be related to forefoot plantar compression. Because of the various causes of metatarsalgia, there is the need to thoroughly consider the etiology of metatarsalgia to find novel, effective, and conservative treatments for metatarsalgia to avoid surgical treatment. Pressure reduction or redistribution can be achieved using toe exercise, flat shoe inserts, metatarsal pads, custom-molded inserts, and rockerbars. There was no need for one treatment. If toe function was poor, toe exercises were recommended. If dorsiflexion of the ankle joint was limited, the Achilles tendon was stretched. If the pain was localized to the plantar aspect of the 2nd MTP, a decompression insole was applied. If the pain was limited to the plantar aspect of the 2nd MTP, a decompression insole was worn. If swelling occurred, anti-inflammatory drugs were indicated to reduce inflammation. The combination of the two was appropriate for this condition. Toe exercises can improve balance and are worth trying. An in-depth understanding of the various etiologies of metatarsal and toe deformities is essential for successful treatment.

DOI: 10.29245/2767-5130/2021/1.1131 View / Download Pdf

Shaan S. Patel*, Julian Gatta, Adrienne Lee, Blaine T. Bafus

Department of Orthopaedic Surgery, MetroHealth Medical Center, Cleveland, OH, USA

Background: Transolecranon distal humerus fractures are uncommon injuries. The purpose of this study is to review the outcomes and complications associated with transolecranon distal humerus fractures.

Material and Methods: We performed a systematic search of PubMed for articles published between 1990 and 2021. Included studies reported outcomes and complications of transolecranon distal humerus fractures. Data was extracted from the included studies to describe patient demographics, injury characteristics, outcome measurements, and complications.

Results: A total of 4 studies met inclusion criteria for data extraction and analysis. Two studies evaluated an adult cohort of a total of 18 patients. The average Disabilities of the Arm, Shoulder, and Hand (DASH) score was 40 (range 4.2 – 76.5). Fifteen patients (83%) had a complication. Elbow stiffness (11/18, 61%) was the most common complication. Eleven patients (61%) underwent more than one procedure. Two studies evaluated a pediatric cohort of a total of 9 patients. Five patients (56%) underwent non-operative treatment with immobilization and four patients (44%) underwent open reduction and internal fixation. There were no complications reported. All the pediatric patients regained near full range of motion of the elbow at their final follow-up.

Conclusion: Transolecranon distal humerus fractures are complex elbow injuries. In the adult population, they remain a challenge for orthopaedic surgeons. Complications, including elbow stiffness and infection, are high with frequent long-term functional limitations as represented by DASH scores. In contrast, pediatric patients have good outcomes and minimal complications that are similar to isolated olecranon and distal humerus fractures in children.

DOI: 10.29245/2767-5130/2021/1.1129 View / Download Pdf

Francisco Molina-Rueda1, Alicia Cuesta-Gómez1*, María Carratalá-Tejada1, Pilar Fernández-González1, Juan Carlos Miangolarra-Page1,2, Isabel Mª Alguacil-Diego1

1Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine. Faculty of Health of Sciences. Rey Juan Carlos University, Madrid, Spain

2Physical Medicine and Rehabilitation Service of the University Hospital of Fuenlabrada, Madrid, Spain

Background: Subjects with a unilateral transtibial amputation (UTA) that have used prosthesis for over five years have a higher occurrence rate of osteoarthritis at the knee and hip joints of the intact limb.
Objective: To research the joint internal moments of the hip, knee, and ankle in the sagittal and frontal planes during gait in persons with UTA.
Methods: 25 individuals with UTA (50.26 years ± 13.76) and 25 subjects without amputation (46.71 years ± 13.76) participated in this study. Gait analysis was carried out using a Vicon® Motion System (Oxford Metrics, Oxford, UK) with eight 100 Hz cameras with infrared strobes, two 1000 Hz AMTI® force-plates.
Results: People with UTA walk with a greater hip extensor moment in both intact and prosthetic limbs. The hip abductor moment was lower on the prosthetic limb compared to the intact limb and the control group. At the knee joint, the subjects with UTA walked with a reduced knee extensor and valgus moment on their prosthetic limb compared to the control group. At the ankle joint, the statistical analysis showed that the individuals with UTA walked with a reduced plantarflexor moment during the stance period on the intact limb compared to the people without amputation.
Conclusions: Subjects with UTA walk with a different joint kinetic pattern in the sagittal and frontal planes compared to non-disabled individuals.

DOI: 10.29245/2767-5130/2021/1.1118 View / Download Pdf

Joshua CY Ong*, Mahmoud A Awadallah, Andrew J White, Paul M Robinson

Trauma & Orthopaedic Department, Peterborough City Hospital, Bretton Gate, UK

Background: Fracture of the proximal humerus combined with dislocation of the glenohumeral joint and a soft tissue or bony Bankart lesion are rare. Management options are largely surgical and different approaches to fixation have been described. The reported outcomes are generally poor.

Methods: We present a series of three rare cases of traumatic dislocations of the shoulder associated with combined fractures of the proximal humerus and glenoid that were treated with surgical fixation. We describe the surgical technique and clinical outcomes.

Results: Our patients had multiple medical comorbidities; and coupled with the burden of injury, made a slow post-operative recovery (mean Constant-Murley score of 48 points over a mean follow-up time of 20 months).

Conclusion: A high index of suspicion and appropriate imaging is required to properly diagnose and surgically manage this uncommon pattern of injury. We recommend surgical treatment of these severe injuries, to stabilise the glenohumeral joint, and to achieve optimal clinical outcomes.

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Shiraz A. Sabah1*, William F. M. Jackson2

1Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, UK

2Nuffield Orthopaedic Centre, Oxford, UK

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Henry Magill1*, Mazin Ibrahim2, Foad Mohamed2, Samuel Grant3, Branavan Rudran4, Warwick Radford5

1Orthopaedic Registrar, Chelsea and Westminster Hospital, London, UK

2Orthopaedic Registrar, University College London Hospital, London, UK

3Orthopaedic Resident, University of Toronto, Toronto, Canada

4Orthopaedic Research Fellow, Chelsea and Westminster Hospital, London, UK

5Orthopaedic Consultant, Chelsea and Westminster Hospital, London, UK

The use of digital templating for Total Hip Arthroplasty (THA) is now the standard approach for pre-operative planning. Digital templating holds potential to reduce operative time and post-op complications however, this often relies on imprecise assumptions. The relationship between the X-ray source, subject and detector alters the perceived magnification. We therefore determine if Body Mass Index (BMI) is positively correlated with true magnification and if a predictive model based these parameters exists. A single surgeon series (n=107) was included in this study. Two independent observers assessed both pre- and post-operative AP pelvis radiographs using TraumaCad™. Post-operative radiographs were assessed to calculate the true magnification by calibrating from a known femoral head prosthesis size. Finally, a scatter plot with regression was used to determine if a predictive model of magnification existed using the Body Mass Index. The mean pre-operative magnification using a scaling marker was 124.2 ± 8.90%. The mean post-operative magnification using a known femoral head prosthesis size (true magnification) was 123.7 ± 3.98%. Significant variability exists in pre-operative marker data. Regression modelling showed no significant correlation between BMI and true magnification (post-op magnification). This study’s suggests that the precision and reliability of the radiographic marker in daily practice is poor. Regression modelling showed no significant correlation between BMI and the true magnification factor. Therefore, a pre-op predictive model cannot be reliably used. The data from this study suggest that a fixed magnification factor of 124% remains the most reliable and accurate method.

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Kelsey Millonig1*, Christopher Bibbo2

1Foot and Ankle Deformity Correction and Orthoplastics Fellow, Rubin Institute Advanced Orthopedics International Center for Limb Lengthening, Baltimore, USA

2Head of Foot and Ankle Surgery, Reconstructive Plastic and Microsurgery, Orthopaedic Trauma, Musculoskeletal Infections, Rubin Institute Advanced Orthopedics International Center for Limb Lengthening, Baltimore, USA

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R. Spagnolo1*, F. Pace2, D. Porreca3

1Department of Orthopaedic Surgery, Asst Hospital Treviglio, Bergamo, Italy

2First Orthopaedic Clinic-Hospital Gaetano Pini, University of Milan, Italy

3Physiotherapist ASST Bergamo, Ovest-Hospital Treviglio Caravaggio, Italy

Hip fractures are rare in children and are less than 1% of all pediatric fractures and less than 1% of all cases of hip fracture. The literature agrees that early treatment, whether surgical or conservative, reduces the risk of complications. The clinical case we present concerns a pertrochanteric fracture with displacement of the greater trochanter in a 4-year-old child. The fracture was a type 4 according to Delbet classification. Clinical evaluation was carried out using the Ratliff scheme. Clinical criteria include pain, movement, activity and X-ray evaluation of the fracture both from the point of view of the formation of the bone callus, and the alteration of the diaphyseal cervical angle (DCA). It was surgically treated with three cannulated screws and a hip spica plaster cast immobilization with a Kirschner wire to avoid secondary displacement. The cast was maintained during the 6 weeks healing period of the fracture. After plaster cast removal, the child begins physiotherapy with an experienced physio in pediatric trauma. The child healed without complications.

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Eduardo Gonzalez Edery1, Ximena Rios2, Gerardo Vargas2, Laura Arzuza3, Juan Reatiga Aguilar2*

1Departamento de Ortopedia y Traumatología, Clínica Valle Salud, Cali, Valle del Cauca, Colombia

2Departamento de Ortopedia y Traumatología, Fundación Campbell, Barranquilla, Colombia

3Epidemiología, Grupo Campbell, Barranquilla, Colombia

Surgical site infections are clinically and epidemiologically critical in orthopedic surgery, as they lead to several complications affecting the quality of life of patients. Contamination may occur during the surgery, through instruments directly inserted into the wound acting as reservoirs for microorganisms. This study aimed to review the literature on suction tip colonization during orthopedic surgery, with an aim toward setting guidelines for its management during surgical procedures. Suction tips can be colonized primarily in two ways. The first is through direct contact with a surgical wound or poor handling by surgical staff and the second is through continuous airflow through the tip of the suction. Colonization rate between studies has decreased in the last years reporting in recent papers a 7.3% suction tips colonization rates in clean orthopedic. The most common germs isolated are S. epidermidis, S. aureus and E. cloacae. Suction tip colonization has a direct relationship with the duration of the surgical procedure, with a higher rate of colonization with longer surgeries. Multiple strategies have been proposed to reduce the risk of colonization of the suction tips used during a surgical procedure including systematically changing suction cannula after 1 hour of surgery or strategies to reduce active suction time. It is unclear if suction tip colonization is directly related to surgical site infection rates. Further studies are needed to corelate infection and colonization of the suction canula.

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Douglas W. Van Pelt, Zachary R. Hettinger, Esther E. Dupont-Versteegden*

Department of Physical Therapy and Center for Muscle Biology, University of Kentucky, Lexington, KY 40536, USA

Muscle atrophy is among the most common conditions during sickness, injury, aging and after orthopedic surgeries, and is associated with poor health outcomes. As such, it is important to understand the molecular machinery responsible for the control of muscle mass and function for development of therapeutic targets and strategies to combat muscle atrophy. We have identified the cold shock RNA binding protein, RNA-binding motif protein 3 (RBM3) as a critical regulatory node in the control of skeletal muscle mass and herein, we review our current knowledge of its actions in skeletal muscle. We also cover future directions of research and how this knowledge may translate into therapeutic interventions.

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Seide Karasel

Department of Physical Medicine and Rehabilitation, Famagusta State Hospital, Famagusta, Cyprus

Low back pain is a common health problem that affects most adults at least one time in their lives, ranks second among the reasons for consulting a doctor, causing loss of labor and lowering the quality of life. We summarize a patient who has neurologic bladder after epiduroscopy.

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Lawrence W. Judge1, David Bellar2, Beau Links3, Andrew Mullally3, Mark King3, Zachry Waterson3, Brian Fox1,4, Makenzie Schoeff1, Nicholas Nordmann1, Henry Wang1*

1School of Kinesiology, Ball State University, Muncie IN, USA

2University of North Carolina at Charlotte, Charlotte, NC, USA

3Fort Wayne Medical Education Program, Fort Wayne, USA

4Denotes graduate student author

Coaches are trusted to create effective training plans based on the abilities of their athletes. However, there can exist a discrepancy between the coaches’ intended training intensity and the intensity perceived by their athletes. Thus, the purpose of this study was to evaluate athletes’ perceptions of training intensity and how they compared to their coach’s intended training intensity. Six female collegiate track and field athletes who ran >800 meter events were recruited for this study (Mean [SD]: 21.3 [1.2] years). Training duration, rate of perceived exertion (RPE), average heart rate for each training session and hours slept nightly were recorded for the next 14 weeks. Easy training days showed a discernible difference with actual session RPE rating higher than the target value (mean [SD] perception 3.25 [.847], target 1.51 [.692], p<.001), while hard training days were perceived as easier than intended (mean [SD] perception 6.26 [1.24], target 8.16 [.646], p<.001). Similarly, average training load (defined as the product of Session RPE and exercise duration) was higher than coach’s intentions on easy days (actual load mean [SD] 117.28 [19.15] p=.046), and lower than the coach’s intentions on hard days (p=.029). Workouts that are more intense than intended may lead to overtraining syndrome in athletes, and workouts that are less intense than intended may lead to undertraining, and athletes not achieving their full potential. Appropriate monitoring of training load can provide important information to athletes and coaches. Training load needs to be accurately determined to establish other recovery factors.

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