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https://www.readbyqxmd.com/read/29054311/transcutaneous-aponeurotic-repair-with-small-detachment-of-the-levator-aponeurosis-for-aponeurotic-blepharoptosis-in-japanese-patients
#1
Hiromichi Matsuda, Takuya Shiba, Yasuhiro Takahashi, Hiroshi Tsuneoka
PURPOSE: To examine the surgical outcomes of a modified transcutaneous aponeurotic repair for aponeurotic blepharoptosis in a Japanese population. METHODS: This retrospective study included 75 eyelids of 45 patients with aponeurotic blepharoptosis who had undergone a modified transcutaneous aponeurotic repair. This procedure included a long skin incision for securing a wide surgical field, creation of a double eyelid crease, and a small extent of detachment of the levator aponeurosis from the tarsal surface...
September 28, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29053405/evolution-of-endoscopic-anterior-component-separation-to-a-precostal-access-with-a-new-cylindrical-balloon-trocar
#2
Gernot Köhler, Ines Fischer, Richard Kaltenböck, Michael Lechner, Bernhard Dauser, Lars Nannestad Jorgensen
INTRODUCTION: Endoscopic anterior component separation (ECS) techniques facilitate tension-free midline closure of wide ventral hernia defects. We describe a novel approach with a precostal incision and a new cylindrical ballon trocar. MATERIALS AND METHODS: A single-center analysis of 19 patients undergoing ECS between January 1, 2014 and August 2, 2017 was performed with regard to improvement of technique. We currently start with a lateral precostal incision. This access in a low-fat and stable area allows for easy identification of the external oblique muscle with the ribs functioning as dorsal abutment for entering the correct plane between external and internal oblique muscles...
October 20, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29038920/stener-like-lesion-of-the-lateral-collateral-ligament-of-the-first-metatarsophalangeal-joint
#3
S Braspenningx, W Rezaie, P Simons
Displaced ulnar collateral ligament injuries of the metacarpophalangeal joint of the thumb, also known as Stener lesions, are a well-recognized clinical entity, requiring surgical intervention because of the trapped location of the torn lateral collateral ligament superficial to the adductor aponeurosis of the thumb. We report a similar lesion located at the first metatarsophalangeal joint, to our knowledge the first ever described in the literature. In our patient, magnetic resonance imaging showed a full-thickness tear of the lateral collateral ligament of the first metatarsophalangeal joint, as well as a full-thickness tear of the extensor hood, with dislocation of the proximal part of the ruptured lateral collateral ligament to a position superficial to the extensor hood...
October 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29038526/strain-in-shock-loaded-skeletal-muscle-and-the-time-scale-of-muscular-wobbling-mass-dynamics
#4
Kasper B Christensen, Michael Günther, Syn Schmitt, Tobias Siebert
In terrestrial locomotion, muscles undergo damped oscillations in response to limb impacts with the ground. Muscles are also actuators that generate mechanical power to allow locomotion. The corresponding elementary contractile process is the work stroke of an actin-myosin cross-bridge, which may be forcibly detached by superposed oscillations. By experimentally emulating rat leg impacts, we found that full activity and non-fatigue must meet to possibly prevent forcible cross-bridge detachment. Because submaximal muscle force represents the ordinary locomotor condition, our results show that forcible, eccentric cross-bridge detachment is a common, physiological process even during isometric muscle contractions...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29019559/comparison-between-inguinal-herniotomies-with-and-without-incising-external-oblique-aponeurosis-a-randomized-clinical-trial
#5
Shahnam Askarpour, Mehran Peyvasteh, Shaghayegh Sherafatmand
BACKGROUND: Inguinal herniotomy is the most common surgery performed by pediatric surgeons. AIM: To compare the results and complications between two conventional methods of pediatric inguinal herniotomy with and without incising external oblique aponeurosis in terms of recurrence of hernia and other complications. METHODS: This one blinded clinical trial study was conducted on 800 patients with indirect inguinal hernia. Inclusion criterion was children with inguinal hernia...
July 2017: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/29019540/comparative-efficacy-of-immunohistochemical-markers-in-surgical-healing
#6
Octávio Antonio Azevedo da Costa, Jurandir Marcondes Ribas, Bruno Luiz Ariede, Tereza Cavalcanti, João Guilherme Seifert Scapini, Camila Vitola Pasetto
OBJECTIVE: to evaluate the efficacy of three immunohistochemical markers involved in the wound healing process. METHODS: experimental study of 40 Wistar rats of the markers metalloproteinases and matrix metalloproteinase 9 (MMP-9), beta transforming growth factor (TGF-β) and myofibroblasts and smooth muscle actin alpha (α-MLA) markers, studied from fragments of surgical scar of abdominal incision involving skin, aponeurosis and peritoneum. The animals were divided into four subgroups of ten according to the day of death, scheduled in three, seven, 14 and 21 days...
July 2017: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/28988818/assessing-outcome-following-levatorplasty-when-east-meets-west-editorial-on-paper-transcutaneous-aponeurotic-repair-with-small-detachment-of-the-levator-aponeurosis-for-aponeurotic-blepharoptosis-in-japanese-patients
#7
Jan J van Wingerden
No abstract text is available yet for this article.
September 25, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28985894/in-vivo-fascicle-length-measurements-via-b-mode-ultrasound-imaging-with-single-vs-dual-transducer-arrangements
#8
Scott F Brennan, Andrew G Cresswell, Dominic J Farris, Glen A Lichtwark
Ultrasonography is a useful technique to study muscle contractions in vivo, however larger muscles like vastus lateralis may be difficult to visualise with smaller, commonly used transducers. Fascicle length is often estimated using linear trigonometry to extrapolate fascicle length to regions where the fascicle is not visible. However, this approach has not been compared to measurements made with a larger field of view for dynamic muscle contractions. Here we compared two different single-transducer extrapolation methods to measure VL muscle fascicle length to a direct measurement made using two synchronised, in-series transducers...
September 25, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28951207/cap-n-collar-transcription-factor-regulates-multiple-genes-coding-for-proteins-involved-in-insecticide-detoxification-in-the-red-flour-beetle-tribolium-castaneum
#9
Megha Kalsi, Subba Reddy Palli
In invertebrates, a heterodimer of xenobiotic transcription factors, cap n collar C isoform (CncC) and muscle aponeurosis fibromatosis (Maf) mediate cellular defense. In insects, these proteins regulate expression of genes involved in insecticide detoxification. In the current study, we performed sequencing of cDNA copied from RNA isolated from Tribolium castaneum pyrethroid resistant strain (QTC279) beetles injected with CncC or green fluorescence protein (GFP, control) dsRNA. Differential expression analysis of sequences identified 662 genes that showed a decrease and 91 genes that showed an increase in expression (p value ≤ 0...
September 23, 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28941556/subgaleal-hematoma-at-the-contralateral-side-of-scalp-trauma-in-an-adult
#10
Ching-En Chen, Zen-Zhon Liao, Yen-Heng Lee, Cheng-Chieh Liu, Chi-Kao Tang, Yi-Rong Chen
BACKGROUND: Subgaleal hematoma (SGH), an abnormal accumulation of blood under the galeal aponeurosis of the scalp, is more commonly observed in newborns and children. According to previous cases, the etiology of SGH includes mild head trauma, vacuum-assisted vaginal delivery, contusion, and hair braiding or pulling. CASE REPORT: A 39-year-old healthy worker came to our emergency department (ED) due to scalp lacerations from an accident that caused severe twisting of his hair...
September 20, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28937784/lacertus-fibrosus-versus-achilles-allograft-reconstruction-for-distal-biceps-tears-a-biomechanical-study
#11
Anand M Murthi, Miguel A Ramirez, Brent G Parks, Shannon R Carpenter
BACKGROUND: The bicipital aponeurosis, or lacertus fibrosus, can potentially be used as a reconstruction graft in chronic distal biceps tendon tears. PURPOSE: To evaluate construct stiffness, load to failure, and failure mechanism with lacertus fibrosus versus Achilles allograft for distal biceps tendon reconstruction. STUDY DESIGN: Controlled laboratory study. METHODS: Ten fresh-frozen matched cadaveric pairs of elbows were used...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28930783/retrospective-analysis-of-the-effect-of-hering-law-on-outcomes-of-surgical-correction-of-ptosis
#12
Er Pan, Jiangang Yu, Shengchang Zhang, Yunfei Nie, Qin Li
INTRODUCTION: Several factors may influence aesthetic outcomes of ptosis surgery, especially in patients with asymmetrical ptosis. We retrospectively assessed the effect of Hering law on surgical outcomes of patients with asymmetrical ptosis. METHODS: Patients with mild to moderate asymmetrical ptosis (N = 300) who underwent advancement or plication of upper eyelid aponeurosis between January 2014 and July 2016 were enrolled. Fifty patients (group A) underwent surgery without taking into consideration the impact of Hering law...
September 19, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28914668/minimally-invasive-palmaris-longus-abductorplasty-for-severe-carpal-tunnel-syndrome
#13
Sze-Ryn Chung, Robert Tze-Jin Yap, Andrew Yam Kean Tuck
Camitz abductorplasty is the most commonly used tendon transfer in patients with severe carpal tunnel syndrome with significant muscle wasting and loss of opposition. This procedure requires a long incision in the palm to harvest a strip of palmar aponeurosis to lengthen the palmaris longus tendon, allowing it to reach the abductor pollicis brevis insertion. Several complications have been attributed to this extensive dissection in the palm. We describe a minimally invasive palmaris longus abductorplasty using a strip of free flexor carpi radialis tendon graft to achieve the necessary length...
September 13, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28902098/repair-of-the-thumb-ulnar-collateral-ligament-with-suture-tape-augmentation
#14
Anthony F De Giacomo, Steven S Shin
One of the most commonly injured structures of the thumb metacarpophalangeal (MCP) joint is the ulnar collateral ligament (UCL). An acute injury of this ligament is often amenable to primary repair. Despite the favorable outcomes of primary repair, the thumb is often restricted during initial healing of the ligament with immobilization and delayed rehabilitation. We present a novel technique to augment the repair of the UCL with suture tape to provide immediate biomechanical support and strength during the critical time of ligament healing...
September 8, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28866812/the-pyramidalis-anterior-pubic-ligament-adductor-longus-complex-plac-and-its-role-with-adductor-injuries-a-new-anatomical-concept
#15
Ernest Schilders, Srino Bharam, Elan Golan, Alexandra Dimitrakopoulou, Adam Mitchell, Mattias Spaepen, Clive Beggs, Carlton Cooke, Per Holmich
PURPOSE: Adductor longus injuries are complex. The conflict between views in the recent literature and various nineteenth-century anatomy books regarding symphyseal and perisymphyseal anatomy can lead to difficulties in MRI interpretation and treatment decisions. The aim of the study is to systematically investigate the pyramidalis muscle and its anatomical connections with adductor longus and rectus abdominis, to elucidate injury patterns occurring with adductor avulsions. METHODS: A layered dissection of the soft tissues of the anterior symphyseal area was performed on seven fresh-frozen male cadavers...
September 2, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28857984/levator-aponeurosis-and-muller-muscle-plication-reinforced-with-levator-sheath-advancement-for-blepharoptosis-correction
#16
Jin Suk Byun, Kun Hwang, Sang Yun Lee, Hak Tae Kim, Kenneth Kim
The authors innovated the levator aponeurosis and Muller muscle plication reinforced with levator sheath advancement (AMPSA) for blepharoptosis correction. The orbital septum was opened 1 mm above its fusion with the levator aponeurosis. The preaponeurotic fat was retracted and the thickened part of the levator sheath was identified. Two plication sutures were made: medial suture at the medial border of the pupil and lateral between the lateral border of the pupil and the lateral limbus. A needle with 6-0 nylon thread first bit the tarsal plate approximately 1 mm below its upper border, then bit the levator aponeurosis and the Muller muscle together at 3 to 6 mm above the upper border of the tarsal plate...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28834838/anatomical-relationship-of-the-inferior-bundle-of-the-incisivus-labii-inferioris-with-the-depressor-labii-inferioris-and-the-platysma
#17
Mi-Sun Hur
The current study examined the inferior bundle of the incisivus labii inferioris muscle (ILI) and its morphologic and spatial relationships with regard to the depressor labii inferioris muscle (DLI) and the platysma. Incisivus labii inferioris muscles and their inferior bundles were investigated in 50 specimens from embalmed Korean adult cadavers. The inferior bundle of the ILI was divided from the originating fibers of the ILI, and it was present in all specimens (100%). The inferior bundle of the ILI could be distinguished into the transverse and inferolateral slips according to their courses and locations...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28833609/magnetic-resonance-imaging-of-the-tensor-vastus-intermedius-a-topographic-study-based-on-anatomical-dissections
#18
Karl Grob, Mirjana Manestar, Dominic Gascho, Timothy Ackland, Helen Gilbey, Christian Fretz, Markus S Kuster
The tensor of the vastus intermedius (TVI) is a newly described component of the extensor apparatus of the knee joint. The objective of this study was to evaluate the appearance of the TVI on magnetic resonance (MR) imaging and its association with the adjacent vastus lateralis (VL) and vastus intermedius (VI) muscles and to compare these findings with the corresponding anatomy. MR images were analyzed from a cadaveric thigh where the TVI, as part of the extensor apparatus of the knee joint, had been dissected...
August 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28832215/a-clinical-study-of-the-modified-thread-carpal-tunnel-release
#19
Danqing Guo, Danzhu Guo, Joseph Guo, Steven C Schmidt, Rachel M Lytie
BACKGROUND: Previous studies have indicated that the thread carpal tunnel release (TCTR) is a safe and effective technique. Through a study on 11 cadaveric wrists, the TCTR procedure was modified and the needle control accuracy was improved to 0.15 to 0.2 mm, which is precise enough to preserve superficial palmar aponeurosis (SupPA), Berrettini branch, and common digital nerves. The aim of the present study was to verify the modified TCTR clinically. METHODS: The modified TCTR was performed on 159 hands of 116 patients...
September 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28823003/anatomical-study-of-the-palatine-aponeurosis-application-to-posterior-palatal-seal-of-the-complete-maxillary-denture
#20
Joe Iwanaga, Junta Kido, Marcin Lipski, Iwona M Tomaszewska, Krzysztof A Tomaszewski, Jerzy A Walocha, Rod J Oskouian, R Shane Tubbs
The palatine aponeurosis is a thin, fibrous lamella comprising the extended tendons of the tensor veli palatini muscles, attached to the posterior border and inferior surface of the palatine bone. In dentistry, the relationship between the "vibrating line" and the border of the hard and soft palate has long been discussed. However, to our knowledge, there has been no discussion of the relationship between the palatine aponeurosis and the vibrating line(s). Twenty sides from ten fresh frozen White cadaveric heads (seven males and three females) whose mean age at death was 79 years) were used in this study...
August 19, 2017: Surgical and Radiologic Anatomy: SRA
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