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https://www.readbyqxmd.com/read/28637207/the-use-of-semitranslucent-rubber-pledgets-during-microsurgical-dissection-of-cerebellopontine-angle-tumors-technical-note
#1
Marcus D Mazur, Richard Gurgel, Joel D MacDonald
BACKGROUND AND IMPORTANCE: Dissection of cerebellopontine angle (CPA) tumors that abut or adhere to the brainstem or cranial nerves can be a challenging surgical endeavor. We describe the use of semitranslucent latex rubber pledgets in the tumor-brain interface as a method to improve visualization and protection of vital tissue during microsurgical dissection of CPA masses. The rubber pledgets are fashioned by cutting circular discs out of the cuff portion of talc-free, partially opaque latex gloves...
June 20, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28634695/assessment-of-early-diastolic-intraventricular-pressure-gradient-in-the-left-ventricle-among-patients-with-repaired-tetralogy-of-fallot
#2
Maki Kobayashi, Ken Takahashi, Mariko Yamada, Kana Yazaki, Kotoko Matsui, Noboru Tanaka, Sachie Shigemitsu, Katsumi Akimoto, Masahiko Kishiro, Keisuke Nakanishi, Shiori Kawasaki, Masaki Nii, Keiichi Itatani, Toshiaki Shimizu
Assessment of left ventricular (LV) dysfunction is vital in patients with repaired tetralogy of Fallot (rTOF). The early diastolic intraventricular pressure gradient (IVPG) in the LV plays an important role in diastolic function. IVPG is calculated as the intraventricular pressure difference divided by the LV length, which allows to account for differences in LV size and therefore calculate IVPG in children. We aimed to investigate the mechanisms of LV diastolic dysfunction by measuring mid-to-apical IVPG as an indicator of the active suction force sucking blood from the left atrium into the LV...
June 20, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28632561/early-postoperative-magnetic-resonance-imaging-in-detecting-radicular-pain-after-lumbar-decompression-surgery-retrospective-study-of-the-relationship-between-dural-sac-cross-sectional-area-and-postoperative-radicular-pain
#3
Toshimasa Futatsugi, Jun Takahashi, Hiroki Oba, Shota Ikegami, Yuji Mogami, Syunichi Shibata, Yoshihito Ohji, Hirotaka Tanikawa, Hiroyuki Kato
STUDY DESIGN: A retrospective analysis. OBJECTIVE: To evaluate the association between early postoperative dural sac cross-sectional area (DCSA) and radicular pain. SUMMARY OF BACKGROUND DATA: The correlation between postoperative magnetic resonance imaging (MRI) findings and postoperative neurological symptoms after lumbar decompression surgery is controversial. METHODS: This study included 115 patients who underwent lumbar decompression surgery followed by MRI within 7 days postoperatively...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28631452/the-impact-of-the-anaesthetic-conserving-device-on-occupational-exposure-to-isoflurane-among-intensive-care-healthcare-professionals
#4
Jennifer Herzog-Niescery, Heike Vogelsang, Philipp Gude, Hans-Martin Seipp, Horst Bartz, Waldemar Uhl, Thomas P Weber, Martin Bellgardt
BACKGROUND: Use of Anesthetic Conserving Devices (ACD) for inhalational isoflurane sedation in intensive care units (ICU) has grown in recent years, and healthcare professionals are concerned about isoflurane pollution and exposure-related health risks. Real-time measurements to determine isoflurane exposure in ICU personnel during short-term patient care procedures and ACD handling have not yet been performed. METHODS: Isoflurane concentrations in the breathing zones of ICU staff (25 cm around the nose and mouth) were measured, by photoacoustic gas monitoring, during daily practice including tracheal suctioning, oral hygiene, body care, and patient positioning...
June 14, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28628684/megasessions-efficacy-of-fewer-longer-treatment-sessions-for-fat-reduction-in-noninvasive-body-contouring-using-a-radiofrequency-based-device
#5
Diane Duncan
<p>While the field of noninvasive body contouring is booming, many patients still note a lesser result than they might achieve with a single session of liposuction or dermolipectomy. The duration of a noninvasive fat reduction treatment series can be daunting. Patients have questioned the worth of these procedures when the expected benefit is modest and the time they devote to the project is significant. An eight-patient mini-study was performed to see if two or three "megasessions" could be substituted for eight weekly sessions of bipolar radiofrequency based fat reduction treatments...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28624682/effect-of-the-fungus-piriformospora-indica-on-physiological-characteristics-and-root-morphology-of-wheat-under-combined-drought-and-mechanical-stresses
#6
Fatemeh Hosseini, Mohammad Reza Mosaddeghi, Anthony Roger Dexter
This study was done to evaluate the effects of the root-colonizing endophytic fungus Piriformospora indica on wheat growth under combined drought and mechanical stresses. Inoculated (colonized) and non-inoculated (uncolonized) wheat (Triticum aestivum L. cv. Chamran) seedlings were planted in growth chambers filled with moist sand (at a matric suction of 20 hPa). Slight, moderate and severe mechanical stresses (i.e., penetration resistance, Qp, of 1.17, 4.17 and 5.96 MPa, respectively) were produced by a dead-load technique (i...
June 7, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28621838/the-effect-of-compliant-inflow-cannulae-on-the-hemocompatibility-of-rotary-blood-pump-circuits-in-an-in-vitro-model
#7
Jo P Pauls, Deepika Nandakumar, Jarod Horobin, Justin D Prendeville, Michael J Simmonds, John F Fraser, Geoff Tansley, Shaun D Gregory
Rotary blood pumps (RBPs) are used for mechanical circulatory support in heart failure patients but exhibit a reduced response to preload changes, which can lead to ventricular suction events. A passive control system, in the form of a compliant inflow cannula (IC), has been developed to mitigate suction, although this device may cause significant hemolysis. This study compared the incidence of mechanically induced hemolysis of two compliant IC designs (strutted and nonstrutted) with a rigid IC (control) in a blood circulation loop over 90 min...
June 16, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28618745/effects-of-a-closed-system-suction-connector-on-airway-resistance-in-ventilated-neonates
#8
Sezin Ünal, Ebru Ergenekon, Ebru Kazanci, Selma Aktaş, Ferit Kulali, İbrahim Murat Hirfanoğlu, Canan Türkyilmaz, Yıldız Atalay
BACKGROUND/AIM: Increased airway resistance reduces the effectiveness of ventilation treatment. Endotracheal tubes (ETTs) and connectors contribute to resistance. However, the effect of a closed system suction (CSS) connector is not well known. We compared the in vivo resistance occurring with a CSS connector with that of the standard connector. MATERIALS AND METHODS: This prospective study was conducted at Gazi University Hospital's neonatal intensive care unit...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28617467/a-wet-tolerant-adhesive-patch-inspired-by-protuberances-in-suction-cups-of-octopi
#9
Sangyul Baik, Da Wan Kim, Youngjin Park, Tae-Jin Lee, Suk Ho Bhang, Changhyun Pang
Adhesion strategies that rely on mechanical interlocking or molecular attractions between surfaces can suffer when coming into contact with liquids. Thus far, artificial wet and dry adhesives have included hierarchical mushroom-shaped or porous structures that allow suction or capillarity, supramolecular structures comprising nanoparticles, and chemistry-based attractants that use various protein polyelectrolytes. However, it is challenging to develop adhesives that are simple to make and also perform well-and repeatedly-under both wet and dry conditions, while avoiding non-chemical contamination on the adhered surfaces...
June 14, 2017: Nature
https://www.readbyqxmd.com/read/28616292/uniportal-video-assisted-thoracoscopic-surgery-left-upper-lobectomy-and-systematic-lymph-node-dissection-with-fused-fissure
#10
Ying Chen, Jun-Tao Lin, Song Dong, Xue-Ning Yang, Yi-Long Wu, Wen-Zhao Zhong
As surgical proficiency and the development of medical techniques have improved, uniportal video-assisted thoracoscopic surgery (VATS) has emerged as a minimally invasive alternative in the surgical management of lung cancer. The spectrum of uniportal VATS indications is now almost equal to that of conventional VATS. Recent decades have witnessed the emergence of numerous uniportal VATS techniques. A significant proportion of these have to be converted into a multiport approach and even open thoracotomy due to the difficulty of managing the upper lobe vein and bronchus, particularly for the technically challenging left upper lobectomy...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28614838/factitious-dermatitis-due-to-thermal-burn-with-histologic-features-simulating-fixed-drug-eruption
#11
Leah Persad, Sadia Salim, Kiran Motaparthi
Factitious dermatitis (FD) (dermatitis artefacta) is rare and often difficult to diagnose because of conflicting history and nonspecific clinical and histologic findings. It can present with varied clinical features including geometric ulcers, erosions, and less commonly bullae secondary to external trauma from chemicals, electric burns, heat, and suction. Herein, we describe a case of bullous FD due to thermal burn with histologic features demonstrating overlap with fixed drug eruption. Histopathology demonstrated a subepidermal blister with epidermal necrosis along with pigment incontinence and dermal eosinophils and neutrophils...
January 31, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28611521/animal-experimental-studies-using-small-intestine-endoscope
#12
Jin-Hua Liu, Dan-Yang Liu, Li Wang, Li-Ping Han, Zhe-Yu Qi, Hai-Jun Ren, Yan Feng, Feng-Ming Luan, Liang-Tian Mi, Shu-Mei Shan
AIM: To assess the feasibility and safety of a novel enteroscope, negative-pressure suction endoscope in examining the small intestine of a porcine model. METHODS: In vitro experiments in small intestinal loops from 20 pigs and in vivo experiments in 20 living pigs were conducted. RESULTS: In in vitro experiments, a negative pressure of > 0.06 MPa was necessary for optimal visualization of the intestine, and this pressure did not cause gross or histological damage to the mucosa...
May 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28610543/does-diathermy-smoke-contaminate-processed-salvaged-blood-in-cardiac-surgery
#13
Katherine R Hulme, Jon van den Burg
INTRODUCTION: A cell salvage device is used in cardiac surgery with the aim of reducing allogeneic blood transfusion. Suction of blood from the operating field used for the device is often accompanied by diathermy smoke. There is limited published research to know if this blood is then contaminated with clinically significant levels of harmful chemicals from this smoke. Postoperative cardiac surgery patients are already physiologically vulnerable, making the optimization of salvaged blood worth considering...
June 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28608861/neonatal-pinealectomy-in-rats-a-simple-micro-suction-technique
#14
Bohdan Pawlicki, Brandon Michael Henry, Krzysztof A Tomaszewski, Mariusz Gajda, Iwona Brzozowska, Jerzy A Walocha, Anna Skowron-Cendrzak
To determine the role of the pineal gland and its secretory product melatonin on various aspects of the functioning of the organism, the gland can be easily surgically removed in rats within 18 hours after birth. We performed pinealectomy in rats in a state of deep hypothermia under an operating microscope, using a micro-suction device of our own construction. The rats were induced into a state of suspended animation by placing them in the freezing compartment at minus 20 Celsius degrees. The cessation of respiration and heart beat lasted for about 15 minutes...
2017: Folia Medica Cracoviensia
https://www.readbyqxmd.com/read/28608250/the-efficacy-of-active-drainage-for-preventing-postoperative-organ-space-surgical-site-infections-in-patients-with-crohn-s-disease
#15
Ryo Ikeshima, Tsunekazu Mizushima, Hidekazu Takahashi, Naotsugu Haraguchi, Junichi Nishimura, Taishi Hata, Chu Matsuda, Masakazu Ikenaga, Kiyokazu Nakajima, Hirofumi Yamamoto, Kohei Murata, Yuichiro Doki, Masaki Mori
PURPOSE: Patients with Crohn's disease (CD) show a higher incidence of surgical site infections (SSIs) after bowel resection in comparison to other patient populations because CD patients commonly suffer from anemia, malnutrition, and immunosuppression. In comparison to conventional passive drainage, active drainage using a closed-suction drain reportedly reduces postoperative wound-related complications in several diseases. In the present study, we aimed to investigate the incidence of SSI and to identify the risk factors for SSI in patients with CD...
June 12, 2017: Surgery Today
https://www.readbyqxmd.com/read/28606716/the-relation-between-given-volume-and-heart-rate-during-newborn-resuscitation
#16
J E Linde, J Schulz, J M Perlman, K Øymar, L Blacy, H Kidanto, H L Ersdal
BACKGROUND: During delivery room resuscitation of depressed newborns, provision of appropriate tidal volume (TV) with establishment of functional residual capacity (FRC) is essential for circulatory recovery. Effective positive pressure ventilation (PPV) is associated with a rapid increase in heart rate (HR). The relationship between delivery of TV and HR responses remains unclear. OBJECTIVES: The study objectives were to determine (1) the relationship between a given TV during initial PPV and HR responses of depressed newborns, and (2) the optimal delivered TV associated with a rapid increase in HR...
June 9, 2017: Resuscitation
https://www.readbyqxmd.com/read/28606258/-meta-analysis-of-the-efficacy-and-safety-of-drainage-after-total-hip-arthroplasty
#17
N Hou, F Jing, W Rong, D W He, J J Zhu, L Fang, C J Sun
Objective: To determine whether suction drainage is safe and effective compared with no-drainage in total hip arthroplasty. Methods: The research was based on PubMed, MEDLINE, EMBASE, Highwire, the Cochrane Library, CBM, CNKI, VIP and WFSD.The data were analysed using RevMan 5.2.Twenty-seven randomised controlled trials involving 3 603 hips were included in the analysis. Results: The meta-analysis indicate that suction drainage increases the rate of homologous blood transfusion (OR=1.98, 95%CI: 1.49-2.64, P<0...
June 6, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28605205/analysis-of-factors-influencing-drain-amount-time-to-drain-removal-and-seroma-formation-in-patients-undergoing-immediate-expander-implant-breast-reconstruction
#18
Kyong-Je Woo, Joo Myong Paik, Goo-Hyun Mun, Jai-Kyong Pyon, Byung-Joon Jeon, Sa Ik Bang
BACKGROUND: Placement of a closed suction drain is a common cause of patient complaints, such as postoperative pain or discomfort following immediate expander-implant breast reconstruction. This study aims to identify factors that affect drainage volume, time to drain removal, and seroma formation. METHODS: A retrospective chart review of prospectively collected data was conducted on patients who underwent immediate expander-implant breast reconstructions following nipple-sparing or skin-sparing mastectomy without skin excision (nipple areolar complex excision only) between February 2010 and April 2015...
June 12, 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28604979/femtosecond-laser-assisted-cataract-in-vitreoretinal-surgery
#19
Stanislao Rizzo, Daniela Bacherini, Francesco Faraldi, Marco Pellegrini, Cesare Mariotti
PURPOSE: To assess the safety and surgical results of femtosecond laser-assisted phacovitrectomy. METHODS: Fifteen patients over 50 years of age with coexisting vitreoretinal pathologies and cataract underwent combined femtosecond laser-assisted cataract extraction and sutureless 25-G and 27-G vitreoretinal surgery. RESULTS: The indication for surgery was macular hole in 6 patients, epiretinal membrane in 6, vitreous hemorrhage in 2, and retinal detachment in 1...
June 2, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28602587/surgical-management-of-leukoderma-after-burn-a-review
#20
REVIEW
Eric L Maranda, Mindy X Wang, Shahjahan Shareef, Bryon A Tompkins, Christopher Emerson, Evangelos V Badiavas
Burns are a common and sometimes devastating injury causing a significant amount of pain, disability, and occasionally death. Burns can have serious aesthetic and functional consequences such as pigmentary changes and formation of scar tissue. Hypopigmentation or depigmentation is often a result of partial- or full-thickness burns, which is referred to as leukoderma after burn. Thus, this study is aimed at systematically reviewing the surgical options for treating leukoderma after burn in order to gain insight into the advantages, disadvantages, and future implications of each surgical technique...
June 8, 2017: Burns: Journal of the International Society for Burn Injuries
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