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https://www.readbyqxmd.com/read/29132799/surgical-exploration-for-impalpable-testis-which-should-be-first-inguinal-exploration-or-laparoscopic-abdominal-exploration
#1
Akihiro Igarashi, Kenta Kikuchi, Kenjiro Ogushi, Mariko Hasegawa, Masahiro Hatanaka, Junko Fujino, Yoko Kishi, Hitoshi Ikeda
PURPOSE: To discuss an optimal surgical approach for impalpable testis in children, our own treatment results and those reported in the literature were reviewed. MATERIALS AND METHODS: Seventy-two impalpable testes were diagnosed in 68 patients: unilateral in 64 patients and bilateral in 4 patients. All patients underwent surgical exploration at the ages of 6 to 140months (median, 15months). The inguinal canal was initially explored, and abdominal exploration was performed with laparoscopy when an extra-abdominal testis was not identified...
October 16, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29120605/targeting-heat-shock-protein-70-to-ameliorate-c-jun-expression-and-improve-demyelinating-neuropathy
#2
Xinyue Zhang, Chengyuan Li, Stephen C Fowler, Zheng Zhang, Brian S J Blagg, Rick T Dobrowsky
Increased expression of the c-jun transcription factor occurs in a variety of human neuropathies and is critical in promoting Schwann cell (SC) dedifferentiation and loss of the myelinated phenotype. Using cell culture models, we previously identified KU-32 as a novobiocin-based C-terminal heat shock protein 90 (Hsp90) inhibitor that decreased c-jun expression and the extent of demyelination. Additional chemical optimization has yielded KU-596 as a neuroprotective novologue whose mechanistic efficacy to improve a metabolic neuropathy requires the expression of Hsp70...
November 9, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29102298/orchidopexy-in-children-with-prader-willi-syndrome-results-of-a-long-term-follow-up-study
#3
Maurizio Pacilli, Yves Heloury, Mike O'Brien, Tess Lionti, Margaret Rowell, John Hutson
INTRODUCTION: Prader-Willi syndrome (PWS) is a rare (1:20.000) genetic condition affecting both males and females. Among other features, in boys, the syndrome is characterized by cryptorchidism in 86-100% of cases, hypogonadism, delayed puberty and infertility. The aim of the present study is to appraise the results of orchidopexy in this selected population of children. STUDY DESIGN: A follow-up study of children with PWS treated for undescended testes at a single institution over a 20-year period was performed...
October 16, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29089736/early-experience-with-laparoscopic-management-of-nonpalpable-undescended-testes
#4
Okechukwu Hyginus Ekwunife, Victor Ifeanyichukwu Modekwe, Jideofor Okechukwu Ugwu, Chuka Abunike Ugwunne
BACKGROUND: Nonpalpable undescended testes (NPT) constitute 20%-30% of undescended testes, and its management has been a challenge both in diagnosis and treatment. Worldwide, laparoscopy is the current gold standard of management. In Nigeria, the management of NPT has largely been by open surgery with consequent high morbidity. In Nigeria, the trend is changing from a largely open management with its attendant high morbidity, to laparoscopic management which is the current worldwide gold standard of care...
July 2017: Nigerian Journal of Surgery: Official Publication of the Nigerian Surgical Research Society
https://www.readbyqxmd.com/read/28980063/evaluation-of-two-staged-fowler-stephens-laparoscopic-orchidopexy-fslo-for-intra-abdominal-testes-iat
#5
Deepak Bagga, Ashish Prasad, Shabnam Bhandari Grover, Nidhi Sugandhi, Narender Tekchandani, Samir Kant Acharya, Amat Samie
INTRODUCTION: The best operative intervention for intrabdominal testis (IAT) has not been standardized as yet. The question of whether to bring down an IAT with a single-staged vessel-intact laparoscopic orchidopexy (VILO) or a two-staged laparoscopic Fowler-Stephens orchidopexy (FSLO) is still undergoing debate, with both the procedures being popular. The present study has been designed to evaluate the factors predicting the success or failure of two-staged FSLO for (IAT). METHODS: 43 boys with 49 non-palpable testes underwent diagnostic laparoscopy out of which 35 underwent two-staged FSLO...
October 4, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28974876/laparoscopy-in-the-evaluation-of-impalpable-testes-and-its-short-term-outcomes-a-7-years-experience
#6
Rajarshi Kumar, Kartik Chandra Mandal, Pankaj Halder, Md Hadiuzzaman, Madhumita Mukhopadhyay, Biswanath Mukhopadhyay
AIMS: The aim of this study is to report and analyze results of laparoscopy in impalpable testes performed between 2009 and 2016 and its short-term outcomes. MATERIALS AND METHODS: Demographic data, laterality, laparoscopic findings, operative time, procedure, hospital stay, complications, and follow-up data of 76 patients with 79 impalpable testes from 2009 to 2016 were retrospectively collected and analyzed. Successful outcome was defined as maintenance of intrascrotal position with no atrophy at a follow-up of at least 6 months...
October 2017: Journal of Indian Association of Pediatric Surgeons
https://www.readbyqxmd.com/read/28954779/transcriptomic-gene-signatures-associated-with-persistent-airflow-limitation-in-patients-with-severe-asthma
#7
Pieter-Paul Hekking, Matthew J Loza, Stelios Pavlidis, Bertrand De Meulder, Diane Lefaudeux, Frederic Baribaud, Charles Auffray, Ariane H Wagener, Paul Brinkman, René Lutter, Aruna T Bansal, Ana R Sousa, Stewart A Bates, Ioannis Pandis, Louise J Fleming, Dominick E Shaw, Stephen J Fowler, Yike Guo, Andrea Meiser, Kai Sun, Julie Corfield, Peter Howarth, Elisabeth H Bel, Ian M Adcock, Kian Fan Chung, Ratko Djukanovic, Peter J Sterk
A proportion of severe asthma patients suffers from persistent airflow limitation (PAL), often associated with more symptoms and exacerbations. Little is known about the underlying mechanisms. Here, our aim was to discover unexplored potential mechanisms using Gene Set Variation Analysis (GSVA), a sensitive technique that can detect underlying pathways in heterogeneous samples.Severe asthma patients from the U-BIOPRED cohort with PAL (post-bronchodilator forced expiratory volume in 1 s/forced vital capacity ratio below the lower limit of normal) were compared with those without PAL...
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28947683/headspace-volatile-organic-compounds-from-bacteria-implicated-in-ventilator-associated-pneumonia-analysed-by-td-gc-ms
#8
Oluwasola Lawal, Howbeer Muhamadali, Waqar Ahmed, Iain R White, Tamara M E Nijsen, Royston Goodacre, Stephen J Fowler
Ventilator-associated pneumonia (VAP) is a healthcare-acquired infection arising from the invasion of the lower respiratory tract by opportunistic pathogens in critically ill ventilated patients. The current method of diagnosis requires the culture of an airway sample such as bronchoalveolar lavage, which is invasive to obtain and may take up to seven days to identify a causal pathogen, or indeed rule out infection. While awaiting results, patients are administered empirical antibiotics; risks of this approach include lack of effect on the causal pathogen, contribution to the development of antibiotic resistance and downstream effects such as increased length of intensive care stay, cost, morbidity and mortality...
September 26, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28940395/delay-discounting-as-impaired-valuation-delayed-rewards-in-an-animal-obesity-model
#9
David P Jarmolowicz, Jennifer L Hudnall, Luanne Hale, Stephen C Fowler, Marco Bortolato, Shea M Lemley, Michael J Sofis
Obesity is a major public health problem, which, like many forms of addiction, is associated with an elevated tendency to choose smaller immediate rather than larger delayed rewards, a response pattern often referred to as excessive delay discounting. Although some accounts of delay discounting conceptualize this process as impulsivity (placing the emphasis on overvaluing the smaller immediate reward), others have conceptualized delay discounting as an executive function (placing the emphasis on delayed rewards failing to retain their value)...
September 2017: Journal of the Experimental Analysis of Behavior
https://www.readbyqxmd.com/read/28939618/an-airway-traffic-jam-a-plastic-traffic-cone-masquerading-as-bronchial-carcinoma
#10
Nicholas Denny, Usman Maqsood, Stephen Fowler, Mohammed Munavvar
Tracheobronchial foreign body (TFB) aspiration is a common occurrence in children compared with adults. Long-standing cases of TFB aspiration during childhood presenting in an adult have rarely been reported. We report the unique case of an endobronchial Playmobil traffic cone that went undetected for 40 years and presented as a suspected bronchogenic carcinoma. This was subsequently removed successfully with flexible bronchoscopy. To our knowledge this is the first case of a TFB that was overlooked this length of time...
September 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28870074/exhaled-volatile-organic-compounds-of-infection-a-systematic-review
#11
Waqar M Ahmed, Oluwasola Lawal, Tamara M Nijsen, Royston Goodacre, Stephen J Fowler
With heightened global concern of microbial drug resistance, advanced methods for early and accurate diagnosis of infection are urgently needed. Analysis of exhaled breath volatile organic compounds (VOCs) toward detecting microbial infection potentially allows a highly informative and noninvasive alternative to current genomics and culture-based methods. We performed a systematic review of research literature reporting human and animal exhaled breath VOCs related to microbial infections. In this Review, we find that a wide range of breath sampling and analysis methods are used by researchers, which significantly affects interstudy method comparability...
October 13, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28867989/exhaled-breath-analysis-a-review-of-breath-taking-methods-for-off-line-analysis
#12
REVIEW
Oluwasola Lawal, Waqar M Ahmed, Tamara M E Nijsen, Royston Goodacre, Stephen J Fowler
BACKGROUND: The potential of exhaled breath sampling and analysis has long attracted interest in the areas of medical diagnosis and disease monitoring. This interest is attributed to its non-invasive nature, access to an unlimited sample supply (i.e., breath), and the potential to facilitate a rapid at patient diagnosis. However, progress from laboratory setting to routine clinical practice has been slow. Different methodologies of breath sampling, and the consequent difficulty in comparing and combining data, are considered to be a major contributor to this...
2017: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/28836968/infrarenal-high-intra-abdominal-testis-fusion-of-t2-weighted-and-diffusion-weighted-magnetic-resonance-images-and-pathological-findings
#13
Seiji Hoshi, Yuichi Sato, Junya Hata, Hidenori Akaihata, Soichiro Ogawa, Nobuhiro Haga, Yoshiyuki Kojima
BACKGROUND: Several recent reports have demonstrated that the preoperative sensitivity and accuracy of identifying and locating non-palpable testes increases with the use of conventional MRI, in addition to diffusion-weighted imaging (DWI). Therefore, pre-operative prediction of the presence and location of testes using imaging techniques may guide management of intra-abdominal testis. Fowler-Stephens orchiopexy is effective for treating patients with intra-abdominal testis; however, long-term testicular function after this procedure has not been clarified...
August 24, 2017: BMC Urology
https://www.readbyqxmd.com/read/28832317/cryptorchidism-experience-and-reason
#14
Kyrollis Attalla, Eric Arnone, Pierre Williot, Saul P Greenfield
INTRODUCTION: To characterize our contemporary clinical experience with cryptorchidism. MATERIALS AND METHODS: The records of boys referred for cryptorchidism were reviewed from 2001 to 2011. Data regarding the incidence of retractile testes, testicular ascent, surgical approach and outcomes were tabulated. Follow up was both early (< 12 weeks) and late (> 12 weeks). RESULTS: A total of 1885 patients, or 2593 testes, were identified...
August 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28782742/laparoscopic-management-of-m%C3%A3-llerian-duct-remnants-in-the-paediatric-age-evidence-and-outcome-analysis
#15
Maja Raicevic, Amulya Kumar Saxena
BACKGROUND: This study performed a literature analysis to determine outcomes of laparoscopic management in Müllerian duct remnants (MDRs). PATIENTS AND METHODS: Literature was searched for terms 'Müllerian' 'duct' 'remnants' and 'laparoscopy'. Primary end points were age at surgery, laparoscopic technique, intraoperative complications and postoperative morbidity. RESULTS: The search revealed 10 articles (2003-2014) and included 23 patients with mean age of 1...
August 1, 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28756296/pathway-discovery-using-transcriptomic-profiles-in-adult-onset-severe-asthma
#16
Pieter-Paul Hekking, Matt J Loza, Stelios Pavlidis, Bertrand de Meulder, Diane Lefaudeux, Fred Baribaud, Charles Auffray, Ariane H Wagener, Paul Brinkman, Rene Lutter, Aruna T Bansal, Ana R Sousa, Steve A Bates, Yannis Pandis, Louise J Fleming, Dominique E Shaw, Stephen J Fowler, Y Guo, Andrea Meiser, Kai Sun, Julie Corfield, Peter H Howarth, Elisabeth H Bel, Ian M Adcock, Kian Fan Chung, Ratko Djukanovic, Peter J Sterk
BACKGROUND: Adult-onset severe asthma is characterized by highly symptomatic disease despite high-intensity asthma treatments. Understanding of the underlying pathways of this heterogeneous disease is needed for the development of targeted treatments. Gene set variation analysis is a statistical technique used to identify gene profiles in heterogeneous samples. OBJECTIVE: We sought to identify gene profiles associated with adult-onset severe asthma. METHODS: This was a cross-sectional, observational study in which adult patients with adult-onset of asthma (defined as starting at age ≥18 years) as compared with childhood-onset severe asthma (<18 years) were selected from the U-BIOPRED cohort...
July 26, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28678059/peripheral-interventions-for-painful-stump-neuromas-of-the-lower-limb-a-systematic-review
#17
Stephanie Alexandra Poyntz, Milind Dalal, Nicholas Hacking, Stephen Fowler
OBJECTIVES: Painful stump neuromas in lower limb amputees are a significant burden on a person's quality of life due to interference with wearing prostheses and therefore the ability to walk. Treating painful stump neuromas is a challenge perhaps reflected by the lack of clinical guidelines both in the United Kingdom and internationally. METHODS: A systematic review was conducted to evaluate the efficacy of all treatments tried in the management of symptomatic neuromas in the lower limb amputation stump in order to establish whether one treatment is superior...
July 3, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28657423/in-vitro-metabolism-of-alectinib-a-novel-potent-alk-inhibitor-in-human-contribution-of-cyp3a-enzymes
#18
Toshito Nakagawa, Stephen Fowler, Kenji Takanashi, Kuresh Youdim, Tsuyoshi Yamauchi, Kosuke Kawashima, Mika Sato-Nakai, Li Yu, Masaki Ishigai
1. The in vitro metabolism of alectinib, a potent and highly selective oral anaplastic lymphoma kinase inhibitor, was investigated. 2. The main metabolite (M4) in primary human hepatocytes was identified, which is produced by deethylation at the morpholine ring. Three minor metabolites (M6, M1a, and M1b) were also identified, and a minor peak of hydroxylated alectinib (M5) was detected as a possible precursor of M4, M1a, and M1b. 3. M4, an important active major metabolite, was produced and further metabolized to M6 by CYP3A, indicating that CYP3A enzymes were the principal contributors to this route...
July 21, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28611376/allopregnanolone-mediates-the-exacerbation-of-tourette-like-responses-by-acute-stress-in-mouse-models
#19
Laura J Mosher, Sean C Godar, Marianela Nelson, Stephen C Fowler, Graziano Pinna, Marco Bortolato
Tourette syndrome (TS) is a neuropsychiatric disorder characterized by multiple tics and sensorimotor abnormalities, the severity of which is typically increased by stress. The neurobiological underpinnings of this exacerbation, however, remain elusive. We recently reported that spatial confinement (SC), a moderate environmental stressor, increases tic-like responses and elicits TS-like sensorimotor gating deficits in the D1CT-7 mouse, one of the best-validated models of TS. Here, we hypothesized that these adverse effects may be mediated by neurosteroids, given their well-documented role in stress-response orchestration...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28565802/continuous-type-splenogonadal-fusion-a-case-report
#20
Guizhen Huang, Yidong Huang, Li Zeng, Miao Yuan, Yang Wu, Lugang Huang
Splenogonadal fusion (SGF) is a rare congenital malformation. Since it lacks characteristic features, very few cases of SGF have been diagnosed preoperatively. Laparoscopy was effective in both diagnosing and surgically treating this condition. Herein, we reported left side SGF in a male patient who was diagnosed during laparoscopic exploration, and Fowler-Stephens orchidopexy was implemented at the same time. The patient was followed up for one year. At a 6-month follow-up, the left scrotum demonstrated swelling and the internal contents were hard...
May 2017: Experimental and Therapeutic Medicine
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