Medial Epicondyle Apophyseal Avulsion Fractures in Youth Throwers: A Severe Variant of Little League Elbow (132)

Objectives: Medial epicondyle apophyseal avulsion fractures sustained during throwing represent an understudied, severe variant of medial epicondyle apophysitis, or ‘Little League elbow’. The current study sought to characterize presenting features, treatment options, and clinical results of a large cohort of pre-adolescent and adolescent patients who presented with these fractures. Methods: Skeletally immature athletes with medial epicondyle apophyseal avulsion fractures sustained during throwing from 2003-2017 at a tertiary-care pediatric referral center were identified. Exclusion criteria were fractures sustained during non-throwing activity or prior elbow fracture. Medical records and radiographic images were reviewed for study variables. Treatment decisions were made independently by fellowship-trained pediatric orthopaedic surgeons or sports medicine physicians on a case-by-case basis. Patients treated with open reduction and internal fixation (ORIF) were compared to those treated non-operatively, and all fracture patients were compared to a larger control group of patients diagnosed with medial epicondyle apophysitis/Little League elbow with no fracture. Results: During the study period, a total of 317 patients were diagnosed with Little League elbow due to medial epicondyle apophyseal overuse injury, 50 of whom (16%) sustained a discreet, radiographically confirmed epicondyle fracture sustained during a single throw. Median age of the fracture cohort at presentation was 13.1 years (range 8 years – 16 years). Forty-nine fracture patients (98%) were male baseball pitchers and one (2%) was a male football quarterback. Fracture patients had significantly higher median BMI (21.3 kg/m2 vs. 19.2kg/m2, p=0.004) than the apophysitis control group, but there was no significant difference in age. Of the 37 patients with documentation regarding pre-injury symptoms, 31 patients (84%) described pre-existing medical elbow pain prior to their acute injury, while 6 (16%) denied pain prior to the inciting throw. Of the 12 patients (24%) with documented shoulder exams at presentation, 5 (42%) demonstrated glenohumeral internal rotation deficit (GIRD). Twenty-three patients (46%) were treated with ORIF (22 single screw fixation; 1 suture anchor fixation), while 27 (54%) were treated non-operatively. Median fracture displacement was significantly greater in operative patients than non-operative patients (5.0mm vs. 3.0mm, p=<.001), with all ‘minimally displaced’ (<4mm) fractures undergoing non-operative treatment (Figure 1). Multivariable analysis determined that for each additional mm of displacement, the odds of surgical intervention increased by 6.4 times (OR=6.36; 95% CI=1.83-22.07; p=.004), when controlling for age and BMI. All patients returned to their throwing sport (RTS) at a median of 12.8 weeks post-diagnosis, but 13 (26%) developed recurrent elbow pain, with no significant difference in in RTS time or recurrence rate between treatment cohorts. Nine of twenty-two (41%) screw ORIF patients underwent secondary implant removal, with no significant difference in this rate between those with or without a washer. Conclusions: Medial epicondyle apophyseal avulsion fractures in youth throwers represent a severe variant of Little League elbow, constituting approximately 16% of cases within the condition’s spectrum. These fractures may be effectively treated with either non-operative measures, particularly minimally displaced fractures <4mm, or ORIF, though >40% of operative patients may require implant removal. A large majority of patients reported medial elbow pain prior to fracture, suggesting this severe presentation of Little League elbow may be preventable.

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CLINICAL FEATURES AND OUTCOMES OF LITTLE LEAGUE ELBOW IN YOUNG ATHLETES

Orthopaedic Journal of Sports Medicine ◽

10.1177/2325967121s00146 ◽

2021 ◽

Vol 9 (7_suppl3) ◽

pp. 2325967121S0014

Author(s):

Benton E. Heyworth ◽

Evan T. Zheng ◽

Donald S. Bae

Keyword(s):

Tertiary Care ◽

Clinical History ◽

Adolescent Male ◽

Return To Sports ◽

Kinetic Chain ◽

Position Change ◽

Elbow Pain ◽

Avulsion Fractures ◽

Duration Of Symptoms ◽

Little League

Background: As participation and specialization in youth sports has increased, so too has the incidence of overuse conditions, such as medial epicondyle apophysitis, or Little League Elbow (LLE). Hypothesis/ Purpose: The study purpose was to assess the demographic features, clinical presentation, management, and outcomes of a population of skeletally immature athletes with this increasingly common, but understudied, condition. Methods: A retrospective analysis was performed of patients diagnosed with LLE between 2003 and 2017 at a tertiary-care pediatric hospital. All patients had open apophyses with a clinical history of repetitive overhead athletic activity and radiographic and/or physical exam findings consistent with LLE. Study variables were derived from the electronic medical record. Results: Three hundred seventeen subjects (mean age: 12.8 years, range 8yrs – 16yrs; 310 males, 98%) were identified. The vast majority were baseball players (n=310, 98%), though there were several tennis players (n=4, 1%) and football quarterbacks (n=3, 1%). Two-hundred sixty-eight patients (85%) presented with apophysitis, while 49 (15%) presented with acute avulsion fractures from throwing (with 84% reporting preceding medial elbow pain). The acute fracture patients are the subject of a separate study. In the apophysitis cohort, all of whom presented with medial elbow pain, other presenting findings/symptoms included decreased elbow range of motion (16%) and concomitant ipsilateral shoulder pain (13%). Amongst those with documented shoulder exams, a majority (55%) demonstrated glenohumeral internal rotation deficit (GIRD) with a significantly longer time from diagnosis to resolution of symptoms (p=0.025). All apophysitis patients were treated with rest (complete cessation 75%, relative rest/position change 25%). Mean follow up was 32 months (sd 33 months). Return to sports occurred at a median of 12 weeks from diagnosis (IQR 7wks – 18wks). Recurrence of elbow pain occurred a median of 24 months (IQR 11mo - 43mo) following initial diagnosis in 13% of patients, a sub-cohort with significantly longer duration of symptoms prior to index presentation (p=0.024). One patient also suffered a subsequent medial epicondylar avulsion fracture while throwing in the setting of non-compliance with recommended rest. Conclusion: Little League Elbow is most commonly seen in adolescent and pre-adolescent male pitchers but may rarely be seen in other overhead athletic sub-populations. Careful evaluation of the entire kinetic chain is critical to identify concomitant pathology such as GIRD, which may portend a prolonged recovery. Proper treatment is necessary to minimize recurrence and development of epicondyle avulsion fractures, which represent a potentially preventable, but severe variant of LLE.

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USE OF A WASHER DOES NOT AFFECT THE RATE OF IMPLANT REMOVAL OR ELBOW MOTION AFTER FIXATION OF MEDIAL EPICONDYLE FRACTURES

Orthopaedic Journal of Sports Medicine ◽

10.1177/2325967119s00184 ◽

2019 ◽

Vol 7 (3_suppl) ◽

pp. 2325967119S0018

Author(s):

Neeraj M. Patel ◽

Christopher R. Gajewski ◽

Anthony M. Ascoli ◽

J. Todd Lawrence

Keyword(s):

Screw Fixation ◽

Univariate Analysis ◽

Medial Epicondyle ◽

Implant Removal ◽

Hardware Removal ◽

Rank Test ◽

Retrospective Case ◽

Significant Difference ◽

The Mean ◽

The Impact

Background: The use of a washer to supplement screw fixation can prevent fragmentation and penetration during the surgical treatment of medial epicondyle fractures. However, concerns may arise regarding screw prominence and the need for subsequent implant removal. The purpose of this study is to evaluate the impact of washer utilization on the need for hardware removal and elbow range of motion (ROM). Methods: All surgically-treated pediatric medial epicondyle fractures over a 7-year period were queried for this retrospective case-control study. Patients were only included if their fracture was fixed with a single screw with or without a washer. Per institutional protocol, implants were not routinely removed after fracture healing. Hardware removal was performed only if the patient experienced a complication or implant-related symptoms that were refractory to non-operative management. Full ROM was considered flexion beyond 130 degrees and less than a 10-degree loss of extension. Univariate analysis was followed by creation of Kaplan-Meier (one minus survival) curves in order to analyze the time until full ROM was regained after surgery. Curves between patients with and without a washer were compared with a log rank test. Results: Of the 137 patients included in the study, the mean age was 12.2±2.3 years and 85 (62%) were male. A total of 31 (23%) patients ultimately underwent hardware removal. A washer was utilized in 90 (66%) cases overall. There was not an increased need for subsequent implant removal in these patients compared to those that underwent screw fixation alone (p=0.11). The mean BMI of patients that underwent hardware removal (19.1±2.5) was similar to that of children who did not (20.4±3.5, p=0.06). When analyzing a subgroup of 102 athletes only, there was similarly no difference in the rate of implant removal if a washer was used (p=0.64). Overall, 107 (78%) patients regained full ROM at a mean of 13.9±9.7 weeks after surgery (Figure 1). There was no statistically significant difference in the proportions of patients with and without a washer that achieved full ROM (p=0.46). Full ROM was achieved at a mean of 14.1±11.0 weeks in those with a washer compared to 13.6±6.2 weeks in those without one (p=0.21). Conclusions: Use of a washer did not affect the need for subsequent implant removal or elbow ROM after fixation of pediatric medial epicondyle fractures, even in thinner patients or competitive athletes. If there is concern for fracture fragmentation or penetration, a washer can be included without concern that future unplanned surgeries may be required.

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Association of ocular biometric parameters with diabetic retinopathy

International Journal of Research in Medical Sciences ◽

10.18203/2320-6012.ijrms20204240 ◽

2020 ◽

Vol 8 (10) ◽

pp. 3624

Author(s):

Shubhneek Kaur Dhillon Utaal ◽

Rupali Chopra ◽

Nitin Batra

Keyword(s):

Diabetic Retinopathy ◽

Tertiary Care ◽

Anterior Chamber Depth ◽

North India ◽

Control Group ◽

Biometric Parameters ◽

Department Of Ophthalmology ◽

Significant Difference ◽

Disease Severity Scale

Background: To study the association of ocular biometric parameters {Spherical equivalent (SE), Axial length (AL), Anterior chamber depth (ACD) and Corneal curvature (CC)} with diabetic retinopathy (DR) in subjects with Type 2 diabetes mellitus (DM).Methods: This prospective observational study was conducted in the Outpatient Department of Ophthalmology of a tertiary care teaching hospital in North India. The study included 100 subjects having various grades of DR as cases and 100 diabetics without DR as controls. The SE was assessed using objective autorefraction, while AL, CC and ACD were measured using the NIDEK AL SCAN. International Clinical Diabetic Retinopathy Disease Severity Scale was used for grading of DR.Results: A total of 181 eyes in the study group and 200 eyes in the control group were analysed. Progressive decrease in the mean AL was observed with the increasing severity of DR (p=0.017). Deeper ACD had a negative correlation with severity of DR (p=0.037). No statistically significant difference was observed for AL and ACD with the incidence of DR (p=0.147 and p=0.091 respectively). Likewise, there was no significant relation of DR with SE or CC.Conclusions: Longer AL and deep ACD were protective against progression to the severe forms of DR. However, there was no correlation of AL and ACD with the incidence of DR. The SE and CC were not found to be significant determinants for either development or severity of DR.

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A Feasibility Trial to Evaluate the Composite Efficacy of Inhaled Nitric Oxide in the Treatment of Covid 19 Pneumonia : Impact on Viral Load and Clinical Outcomes

10.1101/2021.04.15.21255300 ◽

2021 ◽

Author(s):

Merlin Moni ◽

Thushara Madathil ◽

Dipu Sathyapalan ◽

Veena Menon ◽

Georg Gutjahr ◽

...

Keyword(s):

Nitric Oxide ◽

Viral Load ◽

Clinical Outcomes ◽

Tertiary Care ◽

Inhaled Nitric Oxide ◽

Feasibility Trial ◽

Ordinal Scale ◽

Control Group ◽

South Indian ◽

Significant Difference

Background: Hypoxic patients with Covid 19 pneumonia are at high risk of adverse outcomes. Inhaled Nitric Oxide (iNO) inhibits viral entry and replication of SARS-CoV2 and in vivo proof of its antiviral actions is unavailable to date. This feasibility study was conducted to test the antiviral effects of iNO and to describe clinical outcomes. Methods: The phase II open label, randomised controlled feasibility trial(ISRCTN 16806663) conducted at a South Indian tertiary care referral centre, recruited COVID-19 pneumonia patients with hypoxic respiratory failure and allocated them into iNO cases and control groups(1:1). iNO was administered as pulses for 30 minutes for three consecutive days at 12-hour intervals in cases, in addition to standard of care received by the control group. The primary outcome was decline in viral load, as defined by a surrogate change in the RT-PCR cycle threshold. The co-primary clinical outcome was time to improvement of >2 points on the WHO Ordinal Scale(WOS). Results: Among the 29 patients enrolled, 14 iNO cases and 11 controls completed the study protocol. Longitudinal analysis revealed a significant difference in the decline (p <0.002, N= 23) in viral load among the iNO cases compared to controls. The proportion of patients achieving 2-point improvement in the WOS within 14 days of randomisation was significantly higher in the iNO cases (n=11, 79%), as compared to the controls (n=4, 36%) (p=0.05). Conclusions: Our study demonstrated significant improvement in virological and clinical outcomes among patients with adjunct iNO therapy and no adverse effects were reported.

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The effect of ladder approach on development of preterm low birth weight infants with HIE-2

International Journal of Contemporary Pediatrics ◽

10.18203/2349-3291.ijcp20200674 ◽

2020 ◽

Vol 7 (3) ◽

pp. 520

Author(s):

Tushar R. Jadhav ◽

Shailaja S. Jaywant

Keyword(s):

Birth Weight ◽

Low Birth Weight ◽

Premature Infants ◽

Tertiary Care ◽

Control Group ◽

Care Hospital ◽

Post Intervention ◽

Low Birth Weight Infants ◽

Significant Difference

Background: Premature infants with Peri-natal asphyxia leading to a hypoxic-ischemic encephalopathy (HIE) are at greater risk for cerebral palsy. HIE grade II infants have long term neurological complications due to maladaptive brain wiring during NICU stay. Ladder approach, with graded stimulation program is administered by Occupational therapist, plays a vital role to minimize the maladaptive responses to environment. Objective of this study was to effect of Ladder Approach on preterm low birth weight Infants with HIE-2 as compared to conventional treatment. Design of this study was to Prospective Block Randomized Convenient Sampling Control Trial, Experimental design study. The study was carried out in the NICU and PU ward of Tertiary care hospital in metropolitan city from April 2015 to October 2016. The study subjects included a convenient sample of 30 preterm Low birth weight HIE-2 infants randomly selected into study or control groups. Neonatal behavioural Assessment scale (NBAS), Infant Neurological International Battery (INFANIB).Methods: The preterm infants from study group who received Ladder Approach and control group who received routine conventional care only. Outcome measures NBAS was at baseline and first follow up. INFANIB was administered at second follow up to assess neurodevelopment.Results: Showed that the premature infants of the study had significant difference in neuro behavioral status with mean for all subcomponents from to post intervention mean 39.6 in experimental group and from baseline mean of 24.3 to post intervention mean score of 33.2 in control group on neurobehavioral scale. Further neurodevelopmental status showed similar results on INFANIB in experimental group.Conclusions: The premature Infants with HIE grade 2, receiving ladder approach have shown more mature responses resulting into well-organized Neurobehavioral status, and resulted in improved brain wiring as evident in INFANIB.

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A Structured Maternity Case Record to Improve Quality of Documentation in a Tertiary Care Hospital, Delhi

JOURNAL FOR CLINICAL AND DIAGNOSTIC RESEARCH ◽

10.7860/jcdr/2021/45693.14647 ◽

2021 ◽

Author(s):

AG Radhika ◽

Chetna Dengri ◽

Abhishek Kumar ◽

Shalini Singh

Keyword(s):

Tertiary Care ◽

Intervention Group ◽

Control Group ◽

Care Hospital ◽

Case Record ◽

Hospital Case ◽

Sequence Of Events ◽

Significant Difference ◽

Time Of Admission

Introduction: India contributes to about 18% of global maternal deaths and 22.6% of still births. Efforts to improve the quality of care are challenged by the lack of reliable documentation of data. Hence, a concise, structured maternity case sheet (PrasavRecord) was designed with the aim to bring about an improvement in documentation of treatment and events related to woman in labour from the time of admission till her discharge from the hospital. Aim: To study the improvement in quality of documentation from the time of admission till discharge of a woman in labour with the help of structured format i.e., PrasavRecord. Materials and Methods: The study was conducted in February 2017. A quasi experimental study design was used, and the completeness of data recorded by the resident doctors in the existing hospital case sheet (control group) with those recorded in PrasavRecord (intervention group) were assessed in a total of 65 deliveries in each arm. Details of the patient from admission to the labour room followed by the entire sequence of events during labour as well as hospital stay in postpartum period were recorded over 130 parameters under different sections in PrasavRecord. Statistical analysis was done by using SPSS version 21.0. Results: Completeness of the documentation in terms of history, investigations and findings at examination including those at labour, nearly, 92% of the doctors rated PrasavRecord as “good and very good” for appearance, recommended its routine use, and 75% agreed that the format will be useful for conversion to electronic medical record. There was highly significant difference between the average percentage of completeness in PrasavRecord 75.8 {95% CI (74.2-77.4)} and hospital case sheets 42.2 {95% CI (40.9-43.6)} i.e., z=5.38 p-value <0.001. Conclusion: PrasavRecord is a simple, acceptable and user-friendly data entry format which improves the quality of documentation of the processes and practices during childbirth. Larger trials are required to finetune it to facilitate its widespread use thereby, ensuring a uniform documentation process of labour and postpartum.

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P-750 Clinical efficacy of virtual reality for acute pain and anxiety management during outpatient hysteroscopy and endometrial biopsy in subfertile patients

Human Reproduction ◽

10.1093/humrep/deab128.036 ◽

2021 ◽

Vol 36 (Supplement_1) ◽

Author(s):

V Schutyser ◽

R Buyl ◽

M De Vos ◽

H Tournaye ◽

C Blockeel

Keyword(s):

Virtual Reality ◽

Controlled Trial ◽

Tertiary Care ◽

Cochrane Review ◽

Endometrial Biopsy ◽

Cognitive Capacity ◽

Control Group ◽

Preliminary Results ◽

Pain Scores ◽

Significant Difference

Abstract Study question Does the use of virtual reality (VR) headsets in diagnostic office hysteroscopy (HSC) with endometrial biopsy (EB) reduce anxiety and pain scores in the patient? Summary answer Virtual reality during office HSC do not seem to improve relaxation, anxiety, or pain scores. Physicians have a good perception of patients’ pain. What is known already Women undergoing outpatient HSC experience high levels of preoperative anxiety, which increase pain and discomfort during the procedure. The experience of pain is a complex phenomenon, which simultaneously occurs on cognitive, emotional, and behavioural levels, and is influenced by many factors. A Cochrane review failed to show a significant difference between different types of pain relief (analgesics, local anaesthetic and verbal support techniques …). VR is a multisensory immersion providing an interactive high level distraction, occupying a large portion of humans’ finite attentional resources (vision and audio), and leaving less cognitive capacity available to process pain. Study design, size, duration The sample size for this prospective randomized controlled trial was calculated at 196 patients (98 per group), considering a power of at least 80% to detect superiority of adding a VR headset versus standard care, standard deviation (SD = 2.0), using a two-sided, t-test, at significance level alpha of 0.05. The preliminary results after 1 month include a sample of 48 patients 25 in the VR group and 23 controls. Participants/materials, setting, methods All 48 patients suffer subfertility and underwent HSC with EB at our tertiary-care fertility center. We used Oncomfort®, a commercially available VR autohypnosis relaxation program designed for perioperative settings. The headmounted smartphone display with headphones provides image sound distraction with suggestive hypnosis techniques incorporated. Before and immediately after the exam, both patients and surgeons fill out a questionnaire using the 10.0cm visual analog scale (VAS). Main results and the role of chance The mean duration of HSC was 3min43sec in the VR group, (range 2-6min), compared to 4min50 in the control group (range 1-12minutes), which was not significantly different (p = 0.09). Subjective variables of stress, anxiety and pain were evaluated at four different time points, i.e. before, during, immediately after HSC and one week later. According to VAS, stress levels did not differ significantly (p > 0.05) between the VR group and the control group, or within time 5.08 to 5.36 to 3.08 vs 4.48 to 4.83 to 2.48 before, during and after HSC respectively. Fear levels prior to HSC at 4.28 for VR patients and 3.52 for controls did not increase significantly during HSC in both groups: 4.44 vs 4.17. During HSC, pain levels increased from 1.40 to 4.720 in the VR group vs 0.65 to 4.109 (NS) in the controls, to decrease again afterwards to 2.60 vs 2.17 (NS) respectively. Physicians rated the average pain levels of VR patients as 3.32 compared to 3.0 for controls, which was significantly correlated to patients’ perception (p < 0,005). Patients gave a positive rating to the VR experience (satisfaction score 7.17). Limitations, reasons for caution These are preliminary results, evaluating only a fourth of the required sample. A population selection bias could exist, as recruited patients were willing to accept VR. The very short induction period of 2 minutes could influence the effect of (immersiveness into) VR. Wider implications of the findings Pain management in ambulatory procedures should be multimodal and should include both pharmacological and non-pharmacological interventions. Introducing VR might increase patient tolerance for longer or more painful procedures. Offering a range of options will increase the spectrum of successful procedures in the outpatient setting and improve patient experience. Trial registration number B.U.N. 1432020000050

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Evaluation of Mirror Therapy for Upper Limb Rehabilitation in Stroke

Indian Journal of Physical Medicine and Rehabilitation ◽

10.5005/ijopmr-24-3-63 ◽

2013 ◽

Vol 24 (3) ◽

pp. 63-69 ◽

Cited By ~ 1

Author(s):

Laisram Nonica ◽

Muzaffar Tufail ◽

RK Wadhwa ◽

Borah Diganta ◽

SY Kothari

Keyword(s):

Upper Extremity ◽

Tertiary Care ◽

Self Care ◽

Motor Recovery ◽

Control Group ◽

Care Hospital ◽

Mirror Therapy ◽

Treatment Protocols ◽

Upper Limb Rehabilitation ◽

Significant Difference

Abstract Trials have shown modest clinical improvement in disabilities after stroke with the use of different techniques; however most of the treatment protocols for the paretic upper extremity are either expensive or labour intensive, which makes the provision of intensive treatment for many patients difficult. It has been suggested that mirror therapy is a simple, inexpensive and, most importantly patient-directed treatment that may improve upper extremity function. A prospective randomised case control study was done on 60 patients of both the sexes in the age group of 19 to 82 years having stroke for the first time. This study was conducted in the Department of Physical Medicine and Rehabilitation of a tertiary care hospital. All the patients who fulfilled the criteria were enrolled for study; patients were randomly allotted to the study or control group. Study group was given mirror therapy in addition to the conventional stroke rehabilitation programme. Patients were assessed in terms of motor recovery (Brunnstrom stages), spasticity (modified Ashworth Scale), and the self-care items of the Barthel index. These indices were measured at 0 month (pretreatment), 1 month (post-treatment), and 6 months (follow-up). There was a statistically significant difference in spasticity improvement between the study and control groups; however no significant difference was seen in motor recovery and self care items between the groups. The patients had significant improvements within the groups after the therapy for one month. Mirror therapy can be a useful intervention supplement in rehabilitation of patients; it provides a simple and cost effective therapy for recovery of hand function.

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Pregnancy Rate after Controlled Ovarian Hyperstimulation and Intrauterine Insemination for the Treatment of Endometriosis following Surgery

BioMed Research International ◽

10.1155/2015/282301 ◽

2015 ◽

Vol 2015 ◽

pp. 1-8 ◽

Cited By ~ 3

Author(s):

Attila Keresztúri ◽

Zoltan Kozinszky ◽

József Daru ◽

Norbert Pásztor ◽

János Sikovanyecz ◽

...

Keyword(s):

Pregnancy Rate ◽

Outcome Measures ◽

Live Birth ◽

Intrauterine Insemination ◽

Care Center ◽

Tertiary Care ◽

Controlled Ovarian Hyperstimulation ◽

Control Group ◽

Ovarian Hyperstimulation ◽

Significant Difference

Objective. To compare pregnancy rate after controlled ovarian hyperstimulation and intrauterine insemination (COH-IUI) with no treatment in patients with endometriosis-associated infertility treated with laparoscopy.Design. A clinical cohort study.Setting. University-level tertiary care center.Patients. 238 women with various stages of endometriosis after laparoscopic treatment.Interventions. Either COH-IUI or follow-up for 12 months.Main Outcome Measures. The primary outcome measures were clinical pregnancy and live birth rate. Predictive factors evaluated were female age, maternal BMI, and duration of infertility.Results. The pregnancy rate attained after the integrated laparoscopy–COH-IUI approach was 53.4%, while it was significantly lower (38.5%) in the control group. Similarly, a significant difference was observed in live births (48.3% versus 34.2%). Patients with severe endometriosis were less likely to achieve pregnancy (38%) and live birth (35%) than their counterparts with milder forms (57% and 53%).Conclusions. In patients with endometriosis-based infertility, surgery followed by COH-IUI is more effective than surgery alone.

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SURGICAL TREATMENT OF PATELLAR INSTABILITY IN ADOLESCENT DANCERS

Orthopaedic Journal of Sports Medicine ◽

10.1177/2325967121s00120 ◽

2021 ◽

Vol 9 (7_suppl3) ◽

pp. 2325967121S0012

Author(s):

KD Nunally ◽

LJ Micheli ◽

E Zheng ◽

Z Hussain ◽

B Wilson ◽

...

Keyword(s):

Female Athletes ◽

Tertiary Care ◽

Patellofemoral Instability ◽

Implant Removal ◽

Tibial Tubercle ◽

Control Group ◽

High Risk Population ◽

Recurrent Instability ◽

Adolescent Dancers ◽

Stabilization Technique

Background: Adolescent dancers may be a high-risk population for patellofemoral instability (PFI), but the condition remains under-investigated, to date, in this sub-group of athletes. Purpose: The purpose of this study was to (1) investigate the descriptive epidemiology of PFI in adolescent dancers, (2) analyze the efficacy of various patellar stabilization procedures within this population, and (3) compare PFI in dancers to a larger control group of matched, non-dancer athletes. Methods: A retrospective review of athletes, ages 10 to 19, who presented to a single tertiary care center with PFI between 2008 and 2017 was performed. Based on each patient’s primary sport, the cohort was divided into a dancer and a non-dancer control group. Demographics, clinical and radiologic features, surgical stabilization technique, and postoperative course and clinical outcomes were collected. Independent categorical groups were tested using chi squared and Fisher exact tests. Results: 258 adolescent athletes were included, 41 of whom were dancers, all females. This group was therefore matched with a control group of similarly aged, all-female athletes with PFI (Table 1). 54 athletes had bilateral PFI, yielding 285 knees for analysis. There was no difference between dancer and non-dancer athletes’ age, BMI, laterality, mechanism of injury, nor number of preoperative instability events. However, dancers had lower Dejour Classifications (p=0.044), smaller patella inclination angles (20.9±8.14 versus 25.0±9.84; p=0.004), and smaller Caton-Deschamps Indices (1.18±0.161 versus 1.25±0.189; p=0.041). Among dancers, there was no association between surgical stabilization technique and rates of recurrent instability (p=0.418) nor re-stabilization procedures (p=1.0) (Table 2). However, dancers who underwent tibial tubercle osteotomy (TTO) had higher rates of subsequent, non-stabilization procedures (66.7%), all for implant removal, compared to those undergoing isolated medial retinacular repairs (MRP) (3.8%) (p<0.001). There was no difference between the dancer and non-dancer athletes’ rates of recurrent instability (p=0.297), re-stabilization procedures (p=0.061), nor subsequent non-stabilization procedures (p=0.242). Conclusions: Female dancers with PFI have similar demographic and clinical features as other female athletes with PFI, but have lower rates or less severe trochlear dysplasia, lateral tilt and patella alta. Therefore, the ligamentous laxity inherent in dancers may be a more powerful risk factor for PFI than other non-modifiable risk factors. Notably, the TTO was a powerful stabilization procedure for this sub-population with low rates of recurrent instability episodes and no revision stabilization procedures performed. Rates of implant removal surgery following TTO may be substantial, though this may be technique or surgeon dependent. Tables/Figures: [Table: see text][Table: see text]

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