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https://www.readbyqxmd.com/read/28733572/lower-eyelid-reconstruction-following-a-traumatic-full-thickness-loss
#1
W J Tang, A Z Mat Saad
Eyelid reconstruction is complex and challenging since it is not only for structural and functional restoration, but also for an acceptable aesthetic result. In full thickness eyelid injuries, it will involve both anterior and posterior lamella. Therefore, when reconstructing the defect, it requires at least two layers; one will be a flap with blood supply, and the other can be a free graft. In this case, a rotational advancement cheek flap and composite graft were used to reconstruct the lower eyelid.
June 2017: Medical Journal of Malaysia
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
#2
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/28707450/a-simple-concept-for-covering-pressure-sores-wound-edge-based-propeller-perforator-flap
#3
Osman Kelahmetoglu, Koenraad Van Landuyt, Caglayan Yagmur, Casper E Sommeling, Musa K Keles, Volkan Tayfur, Tekin Simsek, Yener Demirtas, Ethem Guneren
We present a new surgical modification to allow propeller perforator flaps to cover pressure sores at various locations. We used a propeller perforator flap concept based on the detection of newly formed perforator vessels located 1 cm from the wound margin and stimulated by the chronic inflammation process. Between January 2009 and January 2017, 33 wound edge-based propeller perforator flaps were used to cover pressure sores at various locations in 28 patients. In four cases more than one flap was used on the same patient...
July 13, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28689649/epispadias-repair-with-tunica-vaginalis-flap
#4
R S Zee, J H Makari, Fernando Ferrer, C D A Herndon
INTRODUCTION: Primary epispadias is a rare congenital malformation that afflicts about 1 in 80,000 children. The surgical repair, originally described by Cantwell over 100 years ago, is fundamentally sound and incorporates several important steps to achieve an optimal result. METHODS: A 9-month-old male with penopubic epispadias presented for surgical repair. Pre-operative imaging included a normal renal ultrasound and voiding cystourethrogram that demonstrated a moderate-sized bladder, partially competent bladder neck, and no vesicoureteral reflux...
June 27, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28679665/limitations-of-rotational-manoeuvrability-in-insects-and-hummingbirds-evaluating-the-effects-of-neuro-biomechanical-delays-and-muscle-mechanical-power
#5
Pan Liu, Bo Cheng
Flying animals ranging in size from fruit flies to hummingbirds are nimble fliers with remarkable rotational manoeuvrability. The degrees of manoeuvrability among these animals, however, are noticeably diverse and do not simply follow scaling rules of flight dynamics or muscle power capacity. As all manoeuvres emerge from the complex interactions of neural, physiological and biomechanical processes of an animal's flight control system, these processes give rise to multiple limiting factors that dictate the maximal manoeuvrability attainable by an animal...
July 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28676159/flap-basics-i-rotation-and-transposition-flaps
#6
REVIEW
Sidney J Starkman, Carson T Williams, David A Sherris
In many cases of complex facial defects, because of advanced cutaneous malignancies, primary wound closure is impossible. In these instances, ideal results can be obtained through recruitment of adjacent tissue with the use of local flaps. Advances in local flap techniques have raised the bar in facial reconstruction; however, acceptable results to the surgeon and patient require high levels of planning and surgical technique. Defects resulting from Mohs surgery and other traumatic injuries can typically be repaired with local flaps...
August 2017: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/28666790/surgical-correction-of-cryptotia-combined-with-an-ultra-delicate-split-thickness-skin-graft-in-continuity-with-a-full-thickness-skin-rotation-flap
#7
Xiaobo Yu, Qinghua Yang, Haiyue Jiang, Bo Pan, Yanyong Zhao, Lin Lin
BACKGROUND: Cryptotia is a common congenital ear deformity in Asian populations. In cryptotia, a portion of the upper ear is hidden and fixed in a pocket of the skin of the mastoid. Here we describe our method for cryptotia correction by using an ultra-delicate split-thickness skin graft in continuity with a full-thickness skin rotation flap. PATIENTS AND METHODS: We developed a new method for correcting cryptotia by using an ultra-delicate split-thickness skin graft in continuity with a full-thickness skin rotation flap...
June 9, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28666523/reconstruction-techniques-of-choice-for-the-facial-cosmetic-units
#8
F Russo, M Linares, M E Iglesias, J L Martínez-Amo, F Cabo, J Tercedor, R Costa-Vieira, T Toledo-Pastrana, J M Ródenas, V Leis
BACKGROUND AND OBJECTIVES: A broad range of skin flaps can be used to repair facial surgical defects after the excision of a tumor. The aim of our study was to develop a practical guideline covering the most useful skin grafts for each of the distinct facial cosmetic units. MATERIAL AND METHODS: This was a multicenter study in which 10 dermatologists with extensive experience in reconstructive surgery chose their preferred technique for each cosmetic unit. The choice of flaps was based on personal experience, taking into account factors such as suitability of the reconstruction technique for the specific defect, the final cosmetic result, surgical difficulty, and risk of complications...
June 27, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28662225/complete-philtrum-reconstruction-on-the-partial-thickness-cross-lip-flap-by-nasolabial-muscle-tension-line-group-reconstruction-in-the-same-stage-of-flap-transfer
#9
Ningbei Yin, Di Wu, Yongqian Wang, Tao Song, Haidong Li, Chanyuan Jiang, Hengyuan Ma, Zhenmin Zhao
Importance: The blood supply pattern of the partial-thickness musculomucosal pedicle flaps is different from the traditional Abbe flap. The arterial blood supply and venous drainage are highly reliable during clinical practice. Objective: To describe the reconstruction of the philtrum in the cross-lip flap transfer using nasolabial muscle tension line group reconstruction. Design, Setting, and Participants: From January 1, 2014, through June 31, 2015, a total of 6 patients with upper lip defect were treated with philtrum reconstruction in the same stage of the split cross-lip flap transfer at the Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China...
June 29, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28650403/the-classic-pitanguy-s-technique-and-its-modifications-in-mammaplasty-ten-years-of-experiences
#10
Harris Zavrides
BACKGROUND: Mammaplasty surgery has been modified in the past few years, as plastic surgeons worked to improve and maintain the breast shape and especially the "bottoming out" of the gland. The classic Pitanguy's technique has been shown to be an anatomically safe technique in the management of the breast. However, as first described, cannot be applied in gigantomastia or in severe breast ptosis cases or in cases of dense breast parenchyma or for a long-lasting breast lift result. Using 2 different modifications, the Pitanguy technique can be applied for breasts of all sizes and for all cases of breast ptosis...
June 23, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28618738/groin-and-thigh-reconstructions-with-pedicled-rectus-abdominis-myocutaneous-flaps
#11
Hakan Uzun, Ozan Bitik, Yahya Baltu, Mehmet Dadaci, Aycan Uğur Kayikçioğlu
BACKGROUND/AIM: Resection of tumors from the groin and thigh regions with safe margins often results in significant soft tissue defects, which preclude primary closure. This study presents a series of rectus abdominis myocutaneous flaps for irradiated thigh and groin wounds with the purpose of evaluating the efficacy and outcomes of these flaps in this population. MATERIALS AND METHODS: From 2008 to 2015, all patients who underwent resection of thigh or groin region tumors and reconstruction with an inferiorly based rectus abdominis myocutaneous flap were retrospectively identified...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28609622/combined-electron-diffraction-and-spectroscopic-determination-of-the-structure-of-spiropentane-c5h8
#12
Jason W Sandwisch, Blake A Erickson, Kenneth Hedberg, Joseph W Nibler
Gas-phase electron-diffraction (GED) data have been combined with recent spectroscopic rotational constants to determine the rα(0) structural parameters for spiropentane, C5H8. The structure has D2d symmetry, and the results yield values of 1.105(2) Å for the CH bond length, 1.557(3) Å for the distal CC bond length, and a smaller value of 1.482(1) Å for the four lateral CC bonds that connect to the central carbon atom. The HCH angle is 113.7(13)°, and the HCH flap angle, defined as the angle of the HCH bisector and the distal CC bond, is 150...
June 26, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28604551/the-periosteal-medial-femoral-condyle-free-flap-a-new-option-for-soft-tissue-reconstruction-of-the-distal-lower-extremity
#13
Noah H Saad, Matthew E Pontell, Brian S Winters, Joseph Daniel, Adam Saad
BACKGROUND: Small (<30 cm) soft tissue defects of the distal leg, foot, and ankle pose a complicated issue with regard to wound healing. Multiple flaps have been proposed for reconstruction of these wounds with varying levels of success. The medial femoral condyle flap is a free bone flap supplied by the descending geniculate artery. It is currently used in the treatment of fracture nonunion, infected bone defects, avascular necrosis, and osteoradionecrosis. This study proposes the use of the periosteal portion of the medial femoral condyle (PMFC) flap for soft tissue reconstruction of the distal leg, foot, and ankle...
June 9, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28602132/treatment-of-congenital-clasped-thumb-in-arthrogryposis
#14
H Abdel-Ghani, M Mahmoud, A Shaheen, M Abdel-Wahed
We report the result of treatment of 69 complex clasped thumbs in 39 patients with distal arthrogryposis. The mean age at surgery was 30 months. Surgical reconstruction included skin augmentation of the first web using modified dorsal rotation advancement flap (Abdel-Ghani flap), a la Carte release of tight structures of the first web, and chondrodesis of the thumb metacarpophalangeal joint. The mean follow-up was 4 years. We prefer chondrodesis because of the presence of global instability, abnormal joint structure, abnormal articular surfaces, and inefficient muscles for transfer...
June 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28570455/anatomical-reconstruction-of-the-nasal-floor-in-complete-unilateral-cleft-lip-repair
#15
Lan Sook Chang, Yoosung Son, Rong-Min Baek, Baek-Kyu Kim
BACKGROUND: Numerous methods exist for repairing unilateral cleft lips and mainly focus on cutaneous design to achieve sufficient rotation of the medial (M) cleft lip and produce a natural Cupid's bow and philtrum. However, precise nasal floor reconstruction has not been described in detail. This is the first study to introduce a technique for repairing complete unilateral cleft lips with a focus on nasal floor reconstruction. METHODS: In our technique, "Straight-Line Advanced Release Technique (StART)," the nasal floor is considered a 3-dimensional cuboid structure; the M mucosal and lateral (L) mucosal flaps constituted the posterior surface...
May 31, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28554559/endoscopic-closure-of-septal-perforations
#16
Isam Alobid
OBJECTIVE: The management of septal perforations is a challenge for the surgeon. A wide variety of surgical techniques have been described, with different approaches. There is no scientific evidence to support a particular approach. The objective of this review is to present a practical guide on the technique of choice for each case of septal perforation. DISCUSSION: Inspection of the nasal mucosa, the size of the perforation, the location and especially the osteo-cartilaginous support, are the pillars of a successful surgery...
May 26, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28550242/impact-of-groin-flap-ischemia-reperfusion-on-red-blood-cell-micro-rheological-parameters-in-a-follow-up-study-on-rats
#17
Zsuzsanna Magyar, Abel Molnar, David Belkin Nachmias, Din Mann, Viktoria Sogor, Anita Mester, Katalin Peto, Norbert Nemeth
BACKGROUND: Flap hypoperfusion or ischemia-reperfusion (I/R) may occur during preparation-transposition procedures and by postoperative thrombotic complications. Behind the microcirculatory disturbances micro-rheological alterations are also supposed. OBJECTIVE: We aimed to investigate the groin flap I/R with following-up micro-rheological parameters. METHODS: Anesthetized rats were subjected to Control or I/R groups. Groin flaps were prepared bilaterally, pedicled on the superficial epigastric vessels...
May 24, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28529663/the-modified-dunn-procedure-for-slipped-capital-femoral-epiphysis-the-bernese-experience
#18
M Tannast, L M Jost, T D Lerch, F Schmaranzer, K Ziebarth, K A Siebenrock
PURPOSE: Based on previous investigations on the vascular blood supply to the femoral head, a technique for anatomical reduction after slipped capital femoral epiphysis was developed. This technique is a modification of the original technique by Dunn using a retinacular soft-tissue flap. This allows the visual control of the epiphyseal vascular blood supply. We report the experience at the inventor's institution with a critical discussion of the available literature. METHODS: Using a trochanteric osteotomy for surgical dislocation of the hip, a retinacular soft tissue flap is created containing the deep branch of the medial femoral circumflex artery, the external rotators and the capsule...
April 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28513472/experimental-and-numerical-studies-of-beetle-inspired-flapping-wing-in-hovering-flight
#19
Tien Van Truong, Tuyen Quang Le, Hoon Cheol Park, Doyoung Byun
In this paper, we measure unsteady forces and visualize 3D vortices around a beetle-like flapping wing model in hovering flight by experiment and numerical simulation. The measurement of unsteady forces and flow patterns around the wing were conducted using a dynamically scaled wing model in the mineral-oil tank. The wing kinematics were directly derived from the experiment of a real beetle. The 3D flow structures of the flapping wing were captured by using air bubble visualization while forces were measured by a sensor attached at the wing base...
May 17, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/28506450/utility-and-versatility-of-the-supraclavicular-artery-island-flap-in-head-and-neck-reconstruction
#20
José A González-García, Carlos M Chiesa-Estomba, Jon A Sistiaga, Ekhiñe Larruscain, Leire Álvarez, Xabier Altuna
INTRODUCTION: The supraclavicular island flap is a rotational pedicled flap and may have some advantages in head and neck reconstruction compared with free-tissue transfer when this kind of reconstruction is not affordable or recommended. MATERIAL AND METHODS: We present our experience during the year 2016 in the application of the supraclavicular island flap in five cases as an alternative to microvascular reconstruction in several defects after resection of head and neck tumours...
May 12, 2017: Acta Otorrinolaringológica Española
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