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https://www.readbyqxmd.com/read/29150450/aerobic-power-and-flight-capacity-in-birds-a-phylogenetic-test-of-the-heart-size-hypothesis
#1
Roberto F Nespolo, César González-Lagos, Jaiber J Solano-Iguaran, Magnus Elfwing, Alvaro Garitano-Zavala, Santiago Mañosa, Juan Carlos Alonso, Jordi Altimiras
Flight capacity is one of the most important innovations in animal evolution; it only evolved in insects, birds, mammals and the extinct pterodactyls. Given that powered flight represents a demanding aerobic activity, an efficient cardiovascular system is essential for the continuous delivery of oxygen to the pectoral muscles during flight. It is well known that the limiting step in the circulation is stroke volume (the volume of blood pumped from the ventricle to the body during each beat), which is determined by the size of the ventricle...
November 17, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29075819/augmentation-mastopexy-with-a-dermal-encapsulated-round-or-anatomic-autoprosthesis
#2
Safvet Ors
INTRODUCTION: Several factors, such as aging, pregnancy, and weight loss, reduce the elasticity of the breast tissue, and ptosis occurs. Due to aging and gravity, it is not possible to completely prevent breast ptosis. The goal is to delay the recurrence of ptosis as much as possible. PATIENTS AND METHODS: This study included 20 female patients aged 25-55 years. The patients who underwent surgery had different levels of ptosis. Although the patients wanted their breasts to be lifted and an increase in projection, they did not want implants to be used...
October 26, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29066060/re-introducing-the-delto-acromial-perforator-flap-clinical-experience-and-cadaver-dissection
#3
Adrian S H Ooi, Daniel R Butz, Chad M Teven, Lawrence J Gottlieb
BACKGROUND: Although perforator flaps from the pectoral branch of the thoraco-acromial (TA) axis have been well-described, there are few reports of perforator flaps based on the delto-acromial (DA) branches. We have found a reliable perforator coming off the DA branch of the TA axis, and have named a flap based on this vessel the delto-acromial perforator (DAP) flap. We describe our experience with the DAP flap together with a fresh cadaver anatomical study. METHODS: A retrospective review of all DAP flaps performed between December 2012 and January 2015 at our institution, with analysis of operative details, flap characteristics and surgical outcomes...
September 12, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29062631/immediate-nipple-areolar-complex-reconstruction-for-patients-undergoing-implant-based-reconstruction-or-therapeutic-mammoplasty
#4
Lyndsey R Highton, John A Murphy
BACKGROUND: We report a technique of immediate nipple-areolar complex (NAC) reconstruction for patients undergoing skin-sparing mastectomy and implant-based breast reconstruction or therapeutic mammoplasty with central excision. METHODS: Immediate nipple reconstruction is performed using a modified C-V flap planned along the edge of the incision. The areola is reconstructed using a full-thickness skin graft taken from skin usually discarded during the procedure...
September 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28894664/aesthetic-female-to-male-chest-transformation-power-of-combining-modified-mastectomy-with-a-pectoral-implant
#5
Turkia Abbed, David A Shifrin
Gender reassignment surgery has gained in popularity with increased media exposure and society's recognition of gender dysphoria. Female-to-male gender reassignment often begins with the "top" or chest surgery. Mastectomy with free nipple grafting is the most frequently described technique in the literature. This technique is reliable yet lacks the ability to provide a true male chest shape. We discuss our technique for female-to-male "top" surgery combining traditional mastectomy techniques with a lower pole pedicle vascularized areola and a pectoral implant...
August 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28740779/using-the-venous-pectoral-branch-from-the-thoracoacromial-system-as-a-lifeboat-in-autologous-breast-reconstruction
#6
Michael Tarakji, Matthew J Bartow, Charles Dupin, Oren Tessler
The most common recipient vessels for autologous free flap breast reconstruction are the internal mammary vessels. At times, there are problems with the exposed internal mammary vein (IMV) that require other options such as using the contralateral IMV, superior rib resection to access proximal IMV, retrograde IMV use, and thoracodorsal vein access with or without a vein graft. This case demonstrates using the pectoral branch of the thoracoacromial venous system without a vein graft as a lifeboat option when the IMV is not suitable for anastomosis...
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28654558/the-efficacy-of-ultrasound-guided-type-ii-pectoral-nerve-blocks-in-perioperative-pain-management-for-immediate-reconstruction-after-modified-radical-mastectomy-a-prospective-randomized-study
#7
Kaiyuan Wang, Xiaobei Zhang, Tingting Zhang, Hui Yue, Shan Sun, Hongwei Zhao, Peng Zhou
OBJECTIVES: The pectoral nerves (Pecs) II block is a technique that places local anesthetic between the thoracic muscles to block the axillary and breast regions. This study aimed to compare the quality of perioperative analgesia and side effects of the Pecs II block under general anesthesia versus general anesthesia alone in immediate unilateral breast reconstruction with an implant and latissimus dorsi (LD) flap after modified radical mastectomy. METHODS: Sixty-four patients scheduled for immediate breast reconstruction after modified radical mastectomy were randomly allocated into the Pecs II block under general anesthesia group (Group P, n=32) or the general anesthesia alone group (Group G, n=32)...
June 16, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28570441/significance-of-the-lateral-thoracic-artery-in-pectoralis-major-musculocutaneous-flap-reconstruction-quantitative-assessment-of-blood-circulation-using-indocyanine-green-angiography
#8
Hidetaka Miyazaki, Kimihiro Igari, Toshifumi Kudo, Toshinori Iwai, Yoshitaka Wada, Yasuhiro Takahashi, Yoshinori Inoue, Shinichi Asamura
Free tissue transfer is the preferred reconstruction option in most major head and neck reconstructions. The pectoralis major muscle musculocutaneous (PMMC) flap is commonly used in salvage of necrotic free flaps and is the first choice for patients who are not candidates for free flaps. The lateral thoracic artery (LTA), which is thought to contribute to blood perfusion of the inferior and lateral mammary area, is not preserved in a conventionally harvested PMMC flap. With regard to blood supply, it has been suggested that the LTA should be preserved, in addition to the pectoral branch of the thoracoacromial artery, when a skin island is designed in the lower chest to attain a pedicle length sufficient for head and neck reconstruction...
November 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28551896/-review-of-common-pathogens-in-the-bone-and-blood-cultures-and-antibiotic-treatment-in-patients-with-sternal-osteomyelitis
#9
Michal Benkler, Ori Shulman, Yoav Avrahamy, David Mendes, Yoav Arus, Ron Fishel, Amos Leviav, Dana Egozi
AIMS: This study concentrates on microbiological data collection of deep sternal wounds to delineate early and correct antibiotic therapy. BACKGROUND: Deep sternal wound infection, mediastinitis and sternal osteomyelitis are devastating and life-threatening complications of median-sternotomy incisions after cardiac surgical procedures. The incidence of surgical wound infection in sternotomies should be similar to that in any clean surgical procedure (i.e. approximately 2%)...
February 2017: Harefuah
https://www.readbyqxmd.com/read/28458765/right-ventricular-perforation-from-a-floating-rib-following-deep-sternal-wound-infection-debridement-and-application-of-a-vacuum-assisted-closure-device-a-case-report-and-literature-review
#10
Amanda J Ross, Nada N Berry
Introduction: Deep sternal wound infection following major cardiac surgery is a deleterious complication with sequelae that can be life threatening. The use of vacuum-assisted closure therapy in management of sternal wounds with resultant right ventricular rupture has been documented in the cardiothoracic and to a lesser extent in the reconstructive literature. Methods/Case Report: We present a case of a 67-year-old male patient who suffered from right ventricular perforation from a floating rib following debridement of a deep sternal wound infection and placement of a vacuum-assisted closure device...
2017: Eplasty
https://www.readbyqxmd.com/read/28434900/breast-cancer-in-a-pectoralis-major-myocutaneous-flap-used-for-the-reconstruction-of-tongue-cancer-a-case-report
#11
Eiji Hirai, Shunji Sarukawa, Kozo Yamamoto, Masahiro Okamoto
Breast cancers are the most common cancers in women. However, breast cancer occurring in a pectoralis major myocutaneous flap is extremely rare. This article describes a case of breast cancer occurring in such a flap used for reconstruction of the tongue in a 72-year-old woman. Follow-up computed tomogram depicted a slowly growing mass in the flap. Thirty-nine months postoperatively, a fine-needle aspiration biopsy specimen taken from the lesion suggested glandular carcinoma. The patient was diagnosed with breast cancer in the neck area of the flap and tumor excision was performed...
July 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28280682/functional-and-aesthetic-thorax-reconstruction-after-desmoid-tumor-resection
#12
Carlos Olvera-Caballero, Eric Acosta-Ponce de Leon, Sergio Sanchez-Sosa
This study describes a case report of a 31-year-old patient who presented with a left thoracic tumor on costal cartilages 5 and 6 that was diagnosed as a desmoid tumor 3 years after receiving retropectoral breast implants for cosmetic reasons. The integral reconstruction of the thoracic wall, functional and aesthetic, was planned for a single surgical period. The defect secondary to the tumor resection, which left the pericardium and lung exposed, was closed using the pectoral muscle as a "pre-expanded" flap by the breast implant, and the breast aesthetic was treated bilaterally with new implants in the retromammary position...
February 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28118214/pectoral-nerve-and-transverse-abdominis-plane-block-in-a-patient-undergoing-mastectomy-with-transverse-rectus-abdominis-muscle-flap-a-case-report
#13
Sephalie Y Patel, Raymond M Evans, Rosemarie E Garcia Getting, Pilar Suz
Postoperative nausea, vomiting, and pain present considerable concerns after reconstructive breast surgery. We present a case report of a 65-year-old woman with a history of severe postoperative nausea and vomiting, presenting for unilateral mastectomy with transverse rectus abdominis muscle flap. We performed unilateral pectoral nerve block and transverse abdominis plane block, which provided 24 hours of pain control and mitigated nausea and vomiting during the postoperative period.
April 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28005753/motor-nerve-preservation-and-muscle-atrophy-after-pectoralis-major-musculocutaneous-flap-surgery-for-oromandibular-reconstruction
#14
Yu Takayama, Satoshi Yokoo, Takaya Makiguchi, Takahide Komori
OBJECTIVE: The authors investigated the clinical and histopathologic significance of medial pectoral nerve preservation/reinnervation of pectoralis major musculocutaneous flap for oromandibular reconstruction. MATERIALS AND METHODS: The authors compared 13 patients treated with pectoralis major musculocutaneous flap reconstruction and 6 control patients treated by rectus abdominis musculocutaneous flap reconstruction without motor nerve restoration. Subjective awareness was scored to evaluate changes in the facial contour due to muscle atrophy, and objective evaluation was performed in few patients...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27988567/-i-plectranthias-i-i-takasei-i-new-species-of-anthiadine-fish-from-southern-japan%C3%A2-teleostei-serranidae
#15
Anthony C Gill, Yi-Kai Tea, Hiroshi Senou
Plectranthias takasei is described from two specimens collected in Izu Oceanic Park, Sagami Bay, Honshu, Japan. It is distinguished from congeners in having the following combination of characters: dorsal rays X,15; no fleshy flaps on dorsal-fin spines; pectoral rays 13, all unbranched; branched caudal-fin rays 8 + 7; lateral line scales 28 (including intermittent and terminal pitted scales); circumpeduncular scales 12; fourth dorsal-fin spine longest; and preopercle without antrorse spines or serrations ventrally, with 2-3 weak serrations or crenulations posteriorly...
December 7, 2016: Zootaxa
https://www.readbyqxmd.com/read/27876746/-the-cross-plastic-correction-of-the-soft-tissue-defect-on-the-neck-with-the-use-of-a-pectoral-flap-harvested-from-the-opposite-side
#16
A L Klochikhin, G I Markov, A L Chistyakov, N N Kosheleva
The authors describe a patient presenting with initially multiple metachronous cancer spreading over the right-handed side of the mouth floor and the right-handed part of the lower jaw. The patient who underwent cross-plastic surgery for the correction of the extensive soft tissue defect on the neck with the use of the musculocutaneous pectoral flap with the axial blood supply is described. The observation during the 14 year follow-up period confirmed the good functional outcome of the treatment.
2016: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/27701198/physoschistura-chhimtuipuiensis-a-new-species-of-loach-teleostei-nemacheilidae-from-mizoram-north-eastern-india
#17
Lalramliana Lalramliana, Denis Van Lalhlimpuia, Beihrosa Solo, Vanramliana Vanramliana
Physoschistura chhimtuipuiensis, new species, from a tributary of the Kaladan River in Mizoram, northeastern India, is distinguished from all other species of Physoschistura by a combination of the following characters: scales between pectoral- and pelvic-fin bases deeply embedded and sparsely set, lateral line incomplete with 56-63 pores, reaching slightly beyond the base of the last anal-fin ray, a suborbital flap in male, 8½ branched dorsal-fin rays and 8+7 branched caudal-fin rays.
October 4, 2016: Zootaxa
https://www.readbyqxmd.com/read/27615962/a-new-species-of-the-lizardfish-genus-synodus-aulopiformes-synodontidae-from-the-western-pacific-ocean
#18
Hsuan-Ching Ho, Jen-Ping Chen, Kwang-Tsao Shao
Synodus pacificus sp. nov., a new species of lizardfish, is described based on specimens collected in the western Pacific Ocean. It belongs to a species group with needle-like posterior processes of the pelvic girdle and differs from its congeners by having the following combination of characters: 4 upside-down omega-shaped marks on the lateral body; black patches on the nape and opercular region; cross bars on the ventral surface of the head; bars on the dorsal and caudal fins; orbital large (6.7-8.1% SL); interorbital space narrow (2...
September 8, 2016: Zootaxa
https://www.readbyqxmd.com/read/27562154/-reconstruction-of-postburn-facial-scar-contracture-deformity-with-expanded-flap-containing-cervical-cutaneous-branch-of-transverse-cervical-artery
#19
P Xu, S Q Wang, X Yan, Y Lin, H H Ge, Q Tan
OBJECTIVE: To observe the effect of expanded flap containing cervical cutaneous branch of transverse cervical artery (TCA) on reconstruction of postburn facial scar contracture deformity. METHODS: Six patients with postburn facial scar contracture deformity, hospitalized from September 2011 to January 2016, with the scar area ranging from 12 cm×10 cm to 20 cm×15 cm, were reconstructed with expanded flap containing cervical cutaneous branch of TCA. One expander of 300 mL or 350 mL implanted in anterior pectoral area was injected for excessive expanding; one patient was conducted with expansion in both sides of the anterior pectoral area...
August 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/27470816/resurrection-of-the-family-aetobatidae-myliobatiformes-for-the-pelagic-eagle-rays-genus-aetobatus
#20
William T White, Gavin J P Naylor
Molecular and morphological data show that the pelagic eagle rays of the genus Aetobatus form a distinct family-level grouping separate from the true eagle rays, Aetomylaeus and Myliobatis (family Myliobatidae). The family Aetobatidae is herein resurrected to include the pelagic eagle rays and definitions are provided for this family and for the Myliobatidae. The key characters separating Aetobatidae from Myliobatidae are: pectoral fins joining head at level of eyes (vs. below level of eyes), internasal flap deeply notched (vs...
July 21, 2016: Zootaxa
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