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https://www.readbyqxmd.com/read/28730116/factors-affecting-residual-exotropia-after-two-muscle-surgery-for-intermittent-exotropia
#1
Shailja Tibrewal, Nishtha Singh, Marazul Islam Bhuiyan, Suma Ganesh
AIM: To study the factors affecting residual exotropia (>10 PD) at 4-6wk postoperative visit following two rectus muscle surgery for intermittent exotropia [bilateral lateral rectus (LR) recession or unilateral recess resect procedure]. METHODS: A retrospective chart review of patients with intermittent exotropia ≤50 PD who underwent two rectus muscle surgery in between Jan. 2011 to Dec. 2013 was performed. Possible factors were compared between patients with residual exotropia (>10 PD) and successful outcome (within 10 PD of orthotropia) at the 4-6wk postoperative visit...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728906/surgical-management-of-strabismus-following-choroidal-melanoma-plaque-brachytherapy
#2
Shatha H Alfreihi, Stacy L Pineles, Tara A McCannel, Angelica M Prada, Federico G Velez
PURPOSE: To characterize intraoperative findings, surgical approach, and postoperative outcomes in patients undergoing strabismus surgery following plaque brachytherapy for ocular melanoma. METHODS: The records of all patients who underwent plaque brachytherapy for choroidal melanoma between May 2007 and June 2016 were reviewed retrospectively to identify those who subsequently required strabismus surgery. RESULTS: Of the 461 patients who underwent plaque brachytherapy during the study period, 13 (2...
July 17, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28728290/-advances-in-research-of-divergence-insufficiency
#3
Y P Li, W Zhang
Divergence insufficiency is acquired esotropia at distance fixation with symptomatic uncrossed diplopia but fusion at near. It can be divided into two forms: primary isolated form and secondary form associated with neurologic abnormalities, also called divergence palsy. The clinical features of divergence insufficiency include small esotropia only at distance but orthotropia or small esophoria at near, comitant deviation at lateral gaze, reduced divergence fusion, full abduction and normal saccadic velocities in abduction...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28727317/laparoscopic-transabdominal-preperitoneal-approach-for-umbilical-hernia-with-rectus-diastasis
#4
Sante Capitano
INTRODUCTION: Rectus diastasis, when coexistent with umbilical hernia, can benefit from mesh-based repair of the midline. Laparoscopic correction of an umbilical hernia involves the placement of a mesh in the peritoneal cavity, but this comes with the risk of bowel complications. However, newly developed dual-sided composite meshes have helped to reduce this risk. MATERIALS AND SURGICAL TECHNIQUE: Four men and three women with umbilical hernia and rectus diastasis were treated with laparoscopic transabdominal preperitoneal repair...
August 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28727314/transperitoneal-rectus-sheath-block-and-transversus-abdominis-plane-block-for-laparoscopic-inguinal-hernia-repair-a-novel-approach
#5
Jun Nagata, Jun Watanabe, Masato Nagata, Yusuke Sawatsubashi, Masaki Akiyama, Takehide Tajima, Koichi Arase, Noritaka Minagawa, Takayuki Torigoe, Yoshifumi Nakayama, Reiko Horishita, Kentaro Kida, Kotaro Hamada, Keiji Hirata
INTRODUCTION: A laparoscopic approach for inguinal hernia repair is now considered the gold standard. Laparoscopic surgery is associated with a significant reduction in postoperative pain. Epidural analgesia cannot be used in patients with perioperative anticoagulant therapy because of complications such as epidural hematoma. As such, regional anesthetic techniques, such as ultrasound-guided rectus sheath block and transversus abdominis plane block, have become increasingly popular. However, even these anesthetic techniques have potential complications, such as rectus sheath hematoma, if vessels are damaged...
August 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28725437/towards-evidence-based-strength-training-a-comparison-of-muscle-forces-during-deadlifts-goodmornings-and-split-squats
#6
Florian Schellenberg, William R Taylor, Silvio Lorenzetti
BACKGROUND: To ensure an efficient and targeted adaptation with low injury risk during strength exercises, knowledge of the participant specific internal loading conditions is essential. The goal of this study was to calculate the lower limb muscles forces during the strength exercises deadlifts, goodmornings and splits squats by means of musculoskeletal simulation. METHODS: 11 participants were assessed performing 10 different variations of split squats by varying the step length as well as the maximal frontal tibia angle, and 13 participants were measured performing deadlift and goodmorning exercises...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28724819/stability-and-effects-of-muscle-transplantation-for-very-large-angle-esotropia-a-study-of-22-patients
#7
Jitendra Nenumal Jethani, Nirzari Shah, Sonal Amin, Monika Jethani
PURPOSE: A very large angle esotropia is characterized by an angle more than 80 prism diopters (pd). A single eye surgery would not correct such a large angle. Supramaximal recessions and resection would lead to restriction of ocular motility. We present a series of 22 patients with large angle esotropia treated with muscle transplantation. METHODS: A total of 22 patients (14 males and 8 females) were included in the study. All the patients had a minimum of 80 base out deviation in primary position...
July 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28721400/weight-adjusted-lean-body-mass-and-calf-circumference-are-protective-against-obesity-associated-insulin-resistance-and-metabolic-abnormalities
#8
Toshinari Takamura, Yuki Kita, Masatoshi Nakagen, Masaru Sakurai, Yuki Isobe, Yumie Takeshita, Kohzo Kawai, Takeshi Urabe, Shuichi Kaneko
BACKGROUND: To test the hypothesis that preserved muscle mass is protective against obesity-associated insulin resistance and metabolic abnormalities, we analyzed the relationship of lean body mass and computed tomography-assessed sectional areas of specific skeletal muscles with insulin resistance and metabolic abnormalities in a healthy cohort. METHODS: A total of 195 subjects without diabetes who had completed a medical examination were included in this study...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28718689/orbital-diffuse-large-b-cell-lymphoma-with-combined-variable-immunodeficiency
#9
Vishal S Parikh, Deepa Jagadeesh, James M Fernandez, Eric D Hsi, Arun D Singh
Common variable immunodeficiency (CVID) is a primary immunodeficiency manifesting as a reduction in the level of total immunoglobulin (Ig) G, a reduction in the level of either IgA or IgM, poor response to polysaccharide vaccine, and usually frequent infections. The association of CVID with an increased risk of malignancy, specifically lymphoma, is well known. A 63-year-old female with a past medical history significant for CVID presented with a 1-month history of dull, left eye pain with proptosis, hypoglobus, and left upper lid fullness without a discrete palpable mass...
July 18, 2017: Orbit
https://www.readbyqxmd.com/read/28718344/knee-extensor-fatigue-developed-during-high-intensity-exercise-limits-lower-limb-power-production
#10
Steven J O'bryan, François Billaut, Janet L Taylor, David M Rouffet
We investigated the association between changes in vastii electromyography (EMG) and knee extensor fatigue during high-intensity cycling, and the subsequent effect on lower-limb power and intermuscular coordination during all-out cycling. On two separate days, participants completed 30-s all-out cycling or 10-min of high-intensity cycling followed by 30-s all-out cycling. EMG for gluteus maximus (GMAX), rectus femoris (RF), vastii (VAS), hamstrings (HAM) and gastrocnemius (GAS); co-activation for GMAX/RF, VAS/HAM and VAS/GAS; isometric maximal voluntary force (IMVF) and resting twitch (RT) of the knee extensors were measured...
July 18, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28717888/acetabular-labral-reconstruction-using-the-indirect-head-of-the-rectus-femoris-tendon-significantly-improves-patient-reported-outcomes
#11
Eyal Amar, Thomas G Sampson, Zachary T Sharfman, Alyssa Caplan, Noa Rippel, Ran Atzmon, Michael Drexler, Ehud Rath
PURPOSE AND HYPOTHESIS: The aim of this study was to evaluate outcomes after acetabular labral reconstruction using the indirect head of the rectus femoris tendon. The study hypothesis stated that arthroscopic acetabular labral reconstruction may improve patient reported outcomes in patients with labral tears that were not amenable to repair. METHODS: Between 2009 and 2015, the senior author performed 31 acetabular labral reconstructions using the indirect head of the rectus femoris tendon...
July 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28717097/plasma-2-hydroxyglutarate-and-hexanoylcarnitine-levels-are-potential-biomarkers-for-skeletal-muscle-toxicity-in-male-fischer-344-rats
#12
Hisakuni Obayashi, Naoko Kobayashi, Yoshikazu Nezu, Takashi Yamoto, Mitsuyuki Shirai, Fumitoshi Asai
To identify new candidate biomarkers for skeletal muscle toxicity, an unbiased metabolomic analysis was performed in rats treated with two distinct myotoxicants, cerivastatin (CER) and tetramethyl-p-phenylenediamine (TMPD). Skeletal muscle toxicity was induced in male Fischer 344 rats by administering CER or TMPD and monitored using established endpoints, such as increased plasma creatine kinase (CK) activity and histopathology, and a metabolomic analysis of skeletal muscle and plasma samples. Plasma CK levels in CER-treated rats were markedly elevated at Day 11; however, those in TMPD-treated rats showed a statistically significant decrease at 24 hr after dosing...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28713703/comparative-perfusion-analysis-of-free-muscle-sparing-versus-pedicle-transverse-rectus-abdominis-myocutaneous-tram-flaps-in-vivo-in-the-peri-operative-and-late-post-operative-periods
#13
Richard McNally, Jonathan Rimler, Vincent Laurence, Keyianoosh Z Paydar, Garrett A Wirth
BACKGROUND: Current teaching suggests increased perfusion in free transverse rectus abdominis myocutaneous (TRAM) flaps over pedicled TRAM flaps, broadening indications for its use in high risk patients. This study compared perfusion analysis of free muscle-sparing versus pedicle TRAM flaps in vivo in the peri-operative and late post-operative periods. METHODS: The SPY-Elite system using indocyanine green dye was used to analyze flap perfusion intra-operatively and at 1 week and 3 months post-operatively...
May 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28711580/lateral-rectus-muscle-resection-following-maximal-recession-of-the-medial-rectus-muscle-in-thyroid-eye-disease
#14
Eric Weldy, Natalie C Kerr
BACKGROUND: Rectus muscle restriction is a common finding in thyroid eye disease (TED). Typically, restricted muscles are recessed to address strabismus and diplopia. However, some patients have residual strabismus following maximal recession of a restricted muscle. The purpose of this study was to report outcomes following resection of the lateral rectus muscle after maximal recession of the medial rectus muscle in patients with TED. METHODS: The medical records of patients with TED who underwent lateral rectus resection between 1998 and 2015 were reviewed retrospectively...
July 12, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28708068/mechanomyography-and-torque-during-fes-evoked-muscle-contractions-to-fatigue-in-individuals-with-spinal-cord-injury
#15
Nor Zainah Mohamad, Nur Azah Hamzaid, Glen M Davis, Ahmad Khairi Abdul Wahab, Nazirah Hasnan
A mechanomyography muscle contraction (MC) sensor, affixed to the skin surface, was used to quantify muscle tension during repetitive functional electrical stimulation (FES)-evoked isometric rectus femoris contractions to fatigue in individuals with spinal cord injury (SCI). Nine persons with motor complete SCI were seated on a commercial muscle dynamometer that quantified peak torque and average torque outputs, while measurements from the MC sensor were simultaneously recorded. MC-sensor-predicted measures of dynamometer torques, including the signal peak (SP) and signal average (SA), were highly associated with isometric knee extension peak torque (SP: r = 0...
July 14, 2017: Sensors
https://www.readbyqxmd.com/read/28705170/can-lokomat-therapy-with-children-and-adolescents-be-improved-an-adaptive-clinical-pilot-trial-comparing-guidance-force-path-control-and-freed
#16
Tabea Aurich-Schuler, Fabienne Grob, Hubertus J A van Hedel, Rob Labruyère
BACKGROUND: Robot-assisted gait therapy is increasingly being used in pediatric neurorehabilitation to complement conventional physical therapy. The robotic device applied in this study, the Lokomat (Hocoma AG, Switzerland), uses a position control mode (Guidance Force), where exact positions of the knee and hip joints throughout the gait cycle are stipulated. Such a mode has two disadvantages: Movement variability is restricted, and patients tend to walk passively. Kinematic variability and active participation, however, are crucial for motor learning...
July 14, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28705027/tensor-algebra-based-geometric-methodology-to-codify-central-chirality-on-organic-molecules
#17
C R García-Jacas, Y Marrero-Ponce, T Hernández-Ortega, K Martinez-Mayorga, L Cabrera-Leyva, J C Ledesma-Romero, I Aguilera-Fernández, A R Rodríguez-León
A novel mathematical procedure to codify chiral features of organic molecules in the QuBiLS-MIDAS framework is introduced. This procedure constitutes a generalization to that commonly used to date, where the values 1 and -1 (correction factor) are employed to weight the molecular vectors when each atom is labelled as R (rectus) or S (sinister) according to the Cahn-Ingold-Prelog rules. Therefore, values in the range [Formula: see text] with steps equal to 0.25 may be accounted for. The atoms labelled R or S can have negative and positive values assigned (e...
July 14, 2017: SAR and QSAR in Environmental Research
https://www.readbyqxmd.com/read/28704312/trunk-muscle-activation-in-the-back-and-hack-squat-at-the-same-relative-loads
#18
David R Clark, Michael I Lambert, Angus M Hunter
The hack squat (HS) is likely to produce a greater 1 repetition maximum (1RM) compared to the back squat (BS). This can be attributed to the support of the trunk during the HS compared to no support during BS. This support however, may compromise trunk muscle activation (TMA), therefore producing different training adaptations. Accordingly, the purpose of this study was to compare 1RM in BS and HS and TMA at 4 relative loads, 65, 75, 85 and 95% of maximal system mass. Ten males completed 3 test sessions:1) BS and HS 1RM, 2) HS & BS neuromuscular test familiarization, and, 3) Neuromuscular test for 3 reps at 4 loads for BS and HS...
July 12, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28704114/orbital-floor-fracture-with-entrapment-imaging-and-clinical-correlations-in-45-cases
#19
Nora Silverman, Jordan Spindle, Sunny X Tang, Andrew Wu, Bryan K Hong, John W Shore, Sara Wester, Flora Levin, Michael Connor, Benjamin Burt, Tanuj Nakra, Todd Shepler, Eric Hink, Tarek El-Sawy, Roman Shinder
Orbital floor fractures (OFF) with entrapment require prompt clinical and radiographic recognition for timely surgical correction. Correct CT radiographic interpretation of entrapped fractures can be subtle and thus missed. We reviewed the clinical, radiographic and intraoperative findings of 45 cases of entrapped OFF to correlate pre- and intraoperative findings with radiography. Retrospective review and statistical analysis of 45 patients with OFF using the chi squared and Kruskal-Wallis tests. Main outcome measures included patient demographics, clinical features, radiologic interpretation, intraoperative findings, and treatment outcomes...
July 13, 2017: Orbit
https://www.readbyqxmd.com/read/28702446/comparison-of-abdominal-muscle-activity-during-abdominal-drawing-in-maneuver-combined-with-irradiation-variations
#20
Young-In Hwang, Du-Jin Park
Many experts have used an indirect method for enhancing strength and performance of muscles in clinical practice. The indirect method, which called an irradiation is a basic procedure of proprioceptive neuromuscular facilitation, there is little research related the effects of irradiation. This study investigated abdominal muscle activity during abdominal drawing-in maneuver (ADIM) combined with irradiation variations. The study recruited 42 healthy, young adults who were divided randomly into three groups according to which intervention they received...
June 2017: Journal of Exercise Rehabilitation
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