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https://www.readbyqxmd.com/read/29332055/operating-room-scheduling-and-surgeon-assignment-problem-under-surgery-durations-uncertainty
#1
Hongwei Liu, Tianyi Zhang, Shuai Luo, Dan Xu
BACKGROUND: Scientific management methods are urgently needed to balance the demand and supply of heath care services in Chinese hospitals. Operating theatre is the bottleneck and costliest department. Therefore, the surgery scheduling is crucial to hospital management. OBJECTIVE: To increase the utilization and reduce the cost of operating theatre, and to improve surgeons' satisfaction in the meantime, a practical surgery scheduling which could assign the operating room (OR) and surgeon for the surgery and sequence surgeries in each OR was provided for hospital managers...
December 29, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29331398/critical-differences-between-elective-and-emergency-surgery-identifying-domains-for-quality-improvement-in-emergency-general-surgery
#2
Alexandra B Columbus, Megan A Morris, Elizabeth J Lilley, Alyssa F Harlow, Adil H Haider, Ali Salim, Joaquim M Havens
OBJECTIVE: The objective of our study was to characterize providers' impressions of factors contributing to disproportionate rates of morbidity and mortality in emergency general surgery to identify targets for care quality improvement. BACKGROUND: Emergency general surgery is characterized by a high-cost burden and disproportionate morbidity and mortality. Factors contributing to these observed disparities are not comprehensively understood and targets for quality improvement have not been formally developed...
January 10, 2018: Surgery
https://www.readbyqxmd.com/read/29330982/assessment-of-safety-levels-in-operation-rooms-at-two-major-tertiary-care-public-hospitals-of-karachi-safe-surgery-saves-life
#3
Muhammad Saeed Minhas, Muhammad Muzzammil, Jahanzeb Effendi
BACKGROUND: The objectives of this study are to determine the knowledge and attitude towards surgical safety among the health care professionals including surgeons, anaesthetist, hospital administrators, and operation room personnel and raise awareness towards the importance of safe surgery. METHODS: A pilot cross- sectional study of 543 healthcare providers working in the operating rooms and the surgical intensive care units was conducted in two tertiary care hospitals, within a study period of one month...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29330861/validity-evidence-as-a-key-marker-of-quality-of-technical-skill-assessment-in-otl-hns
#4
Mathilde Labbé, Meredith Young, Lily H P Nguyen
OBJECTIVE: Quality monitoring of assessment practices should be a priority in all residency programs. Validity evidence is one of the main hallmarks of assessment quality and should be collected to support the interpretation and use of assessment data. Our objective was to identify, synthesize, and present the validity evidence reported supporting different technical skill assessment tools in otolaryngology-head and neck surgery (OTL-HNS). METHODS: We performed a secondary analysis of data generated through a systematic review of all published tools for assessing technical skills in OTL-HNS (n = 16)...
January 13, 2018: Laryngoscope
https://www.readbyqxmd.com/read/29328760/leadership-briefing-and-debriefing-in-the-operating-room
#5
Teresa Donnelly
Steelman (2014) stated that the concept of briefing and debriefing used in operating theatres derived from the airline industry in the 1970s. There had been a series of devastating air crashes and the airline industry had come under severe public scrutiny. Investigations identified that, while the crews operating these aircrafts were very skilled and knowledgeable, they lacked competence in their ability to perform as part of a team.
July 2017: Journal of Perioperative Practice
https://www.readbyqxmd.com/read/29328748/analysis-of-neuro-theatre-utilisation-and-reasons-for-cancellation-to-improve-efficiency-and-productivity
#6
Feras Sharouf, Asfand Baig Mirza, Vazira Moosajee, Sarah Plummer, Imran M Bhatti, Malik Zaben
In neurosurgery, much emphasis has recently been placed on theatre cancellation and time utilization as a key hospital management performance indicator. We sought to evaluate our unit's theatre throughput efficiency and identify the causes of elective surgery cancellations. We retrospectively audited all scheduled elective neurosurgical procedures over a period of nine months. Mean theatre utilization time was 47.0%. The common causes of cancellations were lack of theatre time (32%), non-availability of beds in recovery room (18...
April 2017: Journal of Perioperative Practice
https://www.readbyqxmd.com/read/29328742/pragmatic-recycling-of-paper-and-cardboard-in-the-operating-theatre-an-audit
#7
Douglas Ra McKendrick, Lorraine J Snedden, Rozel Bunch, Hazel McGregor
Despite recent legislation introduced in Scotland and motivated recycling at home, very little recycling exists within theatre environments. This study audited the introduction of recycling of paper and cardboard. All waste within a single operating theatre was collected by a dedicated team for 20 surgical cases. The collection of clean paper and cardboard packaging was limited to the theatre preparation room (TPR) and anaesthetic room (AR). No waste segregation was attempted within the operating theatre itself...
March 2017: Journal of Perioperative Practice
https://www.readbyqxmd.com/read/29328295/bright-nanowire-single-photon-source-based-on-siv-centers-in-diamond
#8
L Marseglia, K Saha, A Ajoy, T Schröder, D Englund, F Jelezko, R Walsworth, J L Pacheco, D L Perry, E S Bielejec, P Cappellaro
The practical implementation of many quantum technologies relies on the development of robust and bright single photon sources that operate at room temperature. The negatively charged silicon-vacancy (SiV-) color center in diamond is a possible candidate for such a single photon source. However, due to the high refraction index mismatch to air, color centers in diamond typically exhibit low photon out-coupling. An additional shortcoming is due to the random localization of native defects in the diamond sample...
January 8, 2018: Optics Express
https://www.readbyqxmd.com/read/29328238/2%C3%A2-%C3%A2-%C3%AE-m-doppler-wind-lidar-with-a-tm-fiber-laser-pumped-ho-ylf-laser
#9
Kohei Mizutani, Shoken Ishii, Makoto Aoki, Hironori Iwai, Ryohei Otsuka, Hirotake Fukuoka, Takayoshi Isikawa, Atsushi Sato
A 2 μm Ho-doped ytrrium lithium fluoride (Ho:YLF) laser end-pumped by a 1.94 μm Tm:fiber laser was developed. A laser system of a ring resonator oscillator and amplifier was operated at repetition rates of 200-5000 Hz at room temperature. The Q-switched outputs were 7.4 W at 5000 Hz and 4.25 W at 200 Hz. Injection seeding was applied to the ring resonator, and single-mode laser emission was obtained. The Tm:fiber-laser-pumped Ho:YLF laser was first used for Doppler wind lidar measurements, and wind profiles were obtained up to ranges of about 15 km in a range resolution of 96 m and an integration time of 1 s...
January 15, 2018: Optics Letters
https://www.readbyqxmd.com/read/29327923/aliovalent-cation-substitution-in-uo2-electronic-and-local-structures-of-u1-ylayo2%C3%A2-x-solid-solutions
#10
Damien Prieur, Laura Martel, Jean-François Vigier, Andreas C Scheinost, Kristina O Kvashnina, Joseph Somers, Philippe M Martin
For nuclear fuel related applications, the oxygen stoichiometry of mixed oxides U1-yMyO2±x is an essential property as it affects fuel properties and may endanger the safe operation of nuclear reactors. A careful review of the open literature indicates that this parameter is difficult to assess properly and that the nature of the defects, i.e., oxygen vacancies or UV, in aliovalent cation-doped UO2 is still subject to controversy. To confirm the formation of UV, we have investigated the room-temperature stable U1-yLayO2±x phase using several experimental methods (e...
January 12, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29327298/the-impact-of-obesity-on-outcomes-for-patients-undergoing-mastectomy-using-the-acs-nsqip-data-set
#11
Mary Garland, Fang-Chi Hsu, Clancy Clark, Akiko Chiba, Marissa Howard-McNatt
PURPOSE: According to the World Health Organization (WHO), 34.7% of females in the United States are obese (BMI ≥ 30) in 2014, compared to 32.5% in 2010. The previous research has demonstrated high BMI as an independent risk factor for surgical complications after breast surgery. As more patients become obese, we sought to examine whether increasing obesity had an effect on outcomes of women who underwent a unilateral mastectomy without breast reconstruction. METHODS: The study reviewed the 2007-2012 ACS-NSQIP database and identified all patients who underwent a unilateral mastectomy without reconstruction...
January 11, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29327268/serum-thiol-levels-and-thiol-disulphide-homeostasis-in-gunshot-injuries
#12
Hasan Buyukaslan, Umut Gulacti, Mehmet Tahir Gökdemir, Ramazan Giden, Hakim Celik, Özcan Erel, Erman Mustafa Dörterler
BACKGROUND: Gunshot injuries result in serious traumatic tissue damage due to high velocity of the bullet, deep penetration, and ballistic effect. Trauma is known to be related with oxidative stress. Serum thiol levels and disulphide/thiol homeostasis are novel oxidative stress biomarkers. In this study, we aimed to investigate serum thiol levels and disulphide/thiol homeostasis in injury patterns of patients admitted to the emergency department with a gunshot injury. METHOD: A total of 128 participants were included in the study...
January 11, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29327040/a-surgical-procedure-grid-for-safety-and-operating-room-communication-in-multisite-surgery
#13
Louis F Insalaco, Jeffrey H Spiegel
No abstract text is available yet for this article.
January 11, 2018: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/29325843/preoperative-intra-aortic-counterpulsation-in-cardiac-surgery-insights-from-a-retrospective-series-of-588-consecutive-high-risk-patients
#14
Giuseppe Gatti, Laura Morra, Gianluca Castaldi, Luca Maschietto, Florida Gripshi, Enrico Fabris, Andrea Perkan, Bernardo Benussi, Gianfranco Sinagra, Aniello Pappalardo
OBJECTIVE: To support a rational use of preoperative intra-aortic balloon pump (IABP) in cardiac surgery. DESIGN: Retrospective, observational study. SETTING: Single university hospital. PARTICIPANTS: The study included 588 (mean age 68.5 ± 9.6 yr) consecutive patients who received IABP before cardiac surgery from 1999 to 2016. INTERVENTIONS: Coronary surgery was performed in 573 (97.4%) cases...
December 6, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29325198/-hygienic-inspections-of-ventilation-systems-under-resting-conditions-according-to-din-1946-4-1999-03-a-retrospective-assessment
#15
Lena Friedrich, Irina Boeckelmann
BACKGROUND: Hygienic and microbiologically sterile air quality is essential for successful guideline-based work in operating theatres. To ensure clean air and to reduce contamination during surgery, ventilation systems are indispensable. Ventilation systems should be especially designed to keep the number of particles and germs under statutory limits. Therefore, they must be operated to recognised standards of good practice and be periodically inspected and maintained. The objective of this study was to prove, through the analysis of observation outside surgery time (rest condition), the effects of ventilation systems on air quality in a medical facility...
January 11, 2018: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/29324632/chair-lift-falls-and-injuries-in-children
#16
Eric W Glissmeyer, Ryan R Metzger, Robert Bolte
OBJECTIVE: The objective of this study was to compare demographic injury and treatment characteristics of hospitalized pediatric cases of falls from chair lifts to cases of other ski and snowboarding injuries and identify potential interventions for preventing falls from chair lifts. METHODS: Retrospective query of the trauma registry of Utah's only pediatric trauma center for children younger than 18 years requiring hospitalization for a ski or snowboarding injury from November 2004 to February 2014...
January 11, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29323794/skills-transfer-to-sinus-surgery-via-a-low-cost-simulation-based-curriculum
#17
R Alex Harbison, Jennifer Dunlap, Ian M Humphreys, Greg E Davis
BACKGROUND: Surgical skill development outside the operating room aims to improve technique and subsequent patient safety. The purpose of this study was to evaluate the correlation between technical and cognitive skills with cadaveric endoscopic sinus surgery (ESS) performance and change in ESS performance before and after implementation of a dedicated ESS simulation-based and knowledge-based curriculum. METHODS: A before-after study design was implemented among 10 medical students and 10 junior otolaryngology residents...
January 11, 2018: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29321491/selective-6h-sic-white-light-emission-by-picosecond-laser-direct-writing
#18
Sicong Wang, Lingfei Ji, Lin Li, Yan Wu, Yongzhe Zhang, Zhenyuan Lin
Displaying a full or tuneable emission spectrum with highly efficient is significant for luminescent materials used in solid-state lighting. Silicon carbide (SiC) has potential for use in photoelectric devices that operate under extreme conditions. In this paper, we present a method to selectively modify the photoluminescence (PL) properties of SiC by ultrafast laser direct writing. Based on this method, visible white PL could be observed by the naked eye at room temperature under ultraviolet excitation. By increasing the laser power intensity from 40 to 80 MW/cm2, the PL of the irradiated samples increased and pure white sunlight-like emission with controlled colour temperature was realised...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29320800/risks-of-preterm-premature-rupture-of-membranes-and-preterm-birth-post-fetoscopy-based-on-location-of-trocar-insertion-site
#19
Ramen H Chmait, Andrew H Chon, Lisa M Korst, Arlyn Llanes, Eftichia V Kontopoulos, Ruben A Quintero
OBJECTIVE:  The objective of this study was to assess whether the location of the trocar insertion site for laser treatment of twin-twin transfusion syndrome was associated with preterm-premature rupture of membranes (PPROM) and preterm birth (PTB). STUDY DESIGN:  In this study trocar location was documented in the operating room. Lower uterine segment (LUS) location was defined as any insertion <10 cm vertically from the pubic symphysis. Lateral location was defined as ≥5 cm horizontally from the midline...
January 10, 2018: American Journal of Perinatology
https://www.readbyqxmd.com/read/29319567/clinical-epidemiology-of-acute-burn-injuries-at-nepal-cleft-and-burn-centre-kathmandu-nepal
#20
Bishal Karki, Shankar Man Rai, Kiran Kishore Nakarmi, Surendra Jung Basnet, Mangal Gharti Magar, Krishna Kumar Nagarkoti, Sunil Thapa
BACKGROUND: Burn injury is a global health problem mainly occurring in developing countries. The Nepal Cleft and Burn Centre at Kirtipur Hospital, Kathmandu, has been providing the acute burn care since 2013 with 7 intensive care unit beds, 30 general beds, and 2 dedicated operating rooms. A similar descriptive study was performed in this center in 2014. These studies will be helpful for developing prevention strategies and monitoring the progress in the standard of care of acute burn patients...
January 9, 2018: Annals of Plastic Surgery
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