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[PMID]: 29517708
[Au] Autor:Tziatzios G; Gkolfakis P; Triantafyllou K
[Ad] Address:Hepatogastroenterology Unit, Second Department of Internal Medicine-Propaedeutic, Research Institute and Diabetes Center, Medical School, National and Kapodistrian University of Athens ''Attikon" University General Hospital Athens, Greece.
[Ti] Title:The Accurate Sample Size: A Rather Daunting Task When Evaluating New Endoscopes.
[So] Source:J Clin Gastroenterol;, 2018 Mar 06.
[Is] ISSN:1539-2031
[Cp] Country of publication:United States
[La] Language:eng
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1803
[Cu] Class update date: 180308
[Lr] Last revision date:180308
[St] Status:Publisher
[do] DOI:10.1097/MCG.0000000000001009

  2 / 10277 MEDLINE  
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[PMID]: 29436200
[Au] Autor:Jeong JY; Kim JC; Kang DH; Lee JY
[Ad] Address:Department of Urology, Severance Hospital, Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea.
[Ti] Title:Digital Videoscopic Retrograde Intrarenal Surgeries for Renal Stones: Time-to-Maximal Stone Length Ratio Analysis.
[So] Source:Yonsei Med J;59(2):303-309, 2018 Mar.
[Is] ISSN:1976-2437
[Cp] Country of publication:Korea (South)
[La] Language:eng
[Ab] Abstract:PURPOSE: To investigate 100 consecutive cases of videoscopic retrograde intrarenal surgery (RIRS) by a single surgeon and to evaluate factors associated with stone-free status and the learning curve thereof. MATERIALS AND METHODS: We analyzed the results of videoscopic RIRS in 100 patients who underwent primary treatment for renal stones from January 2015 to August 2016. Videoscopic RIRS were performed with URF-V and URF-V2 flexible video uteroscopes (Olympus) or a Flex-Xc flexible ureterorenoscope (KARL STORZ). Non-contrast computed tomography was taken at 3 months postoperatively to confirm the absence of stones. The stone characteristics included the location, maximal stone length (MSL), stone heterogeneity index (SHI), and mean stone density (MSD). Fragmentation efficacy was calculated as operative time (min) divided by removed MSL (mm), and was evaluated in the sequential order of operations. RESULTS: The mean age of the total patient was 60.0±14.0 years. The mean MSL was 13.1±6.2 mm. The average MSD was 734.2±327.6 Hounsfield unit (HU) and the SHI was 241.0±120.0 HU. The mean operation time was 65.1±45.7 min considering each renal unit. The stone-free rate at 3 months post-surgery was 87%. The estimated cut-off of the time-to-MSL ratio below 5 min/mm was 50. Multivariate analyses indicated a lower MSD [odds ratio (OR): 0.998; 95% confidence interval (CI): 0.996-0.999; p=0.047) and the last 50 cases (OR: 5.408, 95% CI: 1.337-30.426; p=0.030) as independent predictors of stone-free status after videoscopic RIRS. CONCLUSION: Low MSDs and the last 50 cases were significant predictors of stone-free rate in videoscopic RIRS.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1802
[Cu] Class update date: 180308
[Lr] Last revision date:180308
[St] Status:In-Process
[do] DOI:10.3349/ymj.2018.59.2.303

  3 / 10277 MEDLINE  
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[PMID]: 29513386
[Au] Autor:Alicandri-Ciufelli M; Fermi M; Bonali M; Presutti L; Marchioni D; Todeschini A; Aschuetz L
[Ad] Address:Otolaryngology-Head and Neck Surgery Department, University Hospital of Modena, Modena.
[Ti] Title:Facial sinus endoscopic evaluation, radiologic assessment, and classification.
[So] Source:Laryngoscope;, 2018 Mar 07.
[Is] ISSN:1531-4995
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:OBJECTIVES: To describe facial sinus anatomy from an endoscopic perspective and present a radiologic classification. METHODS: Facial sinus was studied by endoscopy and high-resolution computed tomography (HRCT) scan in 39 temporal bones that underwent exclusive transcanal endoscopic approach. A radiomorphologic classification based on the relationship between the facial sinus and the mastoid portion of the facial nerve is created as follows. In type A facial sinus, the pneumatization of the facial sinus did not extend medially or posteriorly to the mastoid portion of the facial nerve. In type B facial sinus, the pneumatization extended posteriorly to the mastoid portion of the facial nerve. In type C facial sinus, the pneumatization extended posteriorly and medially to the mastoid portion of the facial nerve. RESULTS: In all the specimens that underwent HRCT (n = 31), facial sinus could be identified, and its depth classified, in relation to the facial nerve. In this group, 58% type A, 29% type B, and 13% type C facial sinuses were identified. In all the specimens (n = 39), the facial sinus could be assessed by means of an exclusive endoscopic transcanal approach, and anatomical variants of the chordiculus, previously known as chordal ridge, could be described: ridge (39%), bridge (18%), incomplete (15%), and absent (28%). CONCLUSION: Endoscopic exploration of the retrotympanum guarantees a very good exposure of the facial sinus, allowing detailed anatomic descriptions of its conformation and relationships with other structures. Improvement in our knowledge of its anatomy might decrease the possibility of residual disease during cholesteatoma surgery. Angled endoscopes (e.g. 45 °, 70 °) can guarantee a better view of the facial sinus. LEVEL OF EVIDENCE: NA. Laryngoscope, 2018.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1803
[Cu] Class update date: 180307
[Lr] Last revision date:180307
[St] Status:Publisher
[do] DOI:10.1002/lary.27135

  4 / 10277 MEDLINE  
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[PMID]: 29506328
[Au] Autor:Park SH; Sim HB
[Ad] Address:Department of Plastic and Reconstructive Surgery, Soonchunhyang University Hospital, Seoul, Korea.
[Ti] Title:Endoscopic transaxillary prepectoral conversion for submuscular breast implants.
[So] Source:Arch Plast Surg;, 2018 Mar 05.
[Is] ISSN:2234-6163
[Cp] Country of publication:Korea (South)
[La] Language:eng
[Ab] Abstract:Background: During breast augmentation, the transaxillary approach provides the advantage of allowing the mammary prosthesis to be placed through incisions that are remote from the breast itself, thereby reducing the visibility of postoperative scars. For patients experiencing capsular contracture who do not want additional scars, the previous transaxillary scar can be used for site change and implant exchange. Methods: This study analyzed 17 patients (34 breasts) with submuscular breast implants with grade III-IV capsular contracture who received treatment from 2010 to 2015. The mean age of the patients was 29 years (range, 20-38 years). The inclusion criterion was a pinch test of more than 3 cm at the upper pole of the breast. Previous axillary scars were used to expose the pectoralis fascia, and submuscular breast implants were removed carefully. The dissection underneath the pectoralis fascia was performed with endoscopic assistance, using electrocautery under direct visualization. Results: The mean follow-up period was 14 months (range, 6-24 months). The entire dissection plane was changed from the submuscular plane to the subfascial plane. Round textured gel implants were used, with a mean implant size of 220 mL (range, 160-300 mL). Two patients developed grade II capsular contracture. There were no cases of malposition or asymmetry. Three patients complained of minor implant palpability. None of the patients required additional surgery. Conclusions: Endoscopic subfascial conversion may be an effective technique for treating capsular contracture and avoiding scarring of the breast in selected patients.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1803
[Cu] Class update date: 180306
[Lr] Last revision date:180306
[St] Status:Publisher
[do] DOI:10.5999/aps.2017.01263

  5 / 10277 MEDLINE  
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[PMID]: 29505729
[Au] Autor:Luo X; Mori K; Peters TM
[Ad] Address:Department of Computer Science, Fujian Key Laboratory of Computing and Sensing for Smart City, Xiamen University, Xiamen 361005, China; email: xbluo@xmu.edu.cn.
[Ti] Title:Advanced Endoscopic Navigation: Surgical Big Data, Methodology, and Applications.
[So] Source:Annu Rev Biomed Eng;, 2018 Mar 05.
[Is] ISSN:1545-4274
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:Interventional endoscopy (e.g., bronchoscopy, colonoscopy, laparoscopy, cystoscopy) is a widely performed procedure that involves either diagnosis of suspicious lesions or guidance for minimally invasive surgery in a variety of organs within the body cavity. Endoscopy may also be used to guide the introduction of certain items (e.g., stents) into the body. Endoscopic navigation systems seek to integrate big data with multimodal information (e.g., computed tomography, magnetic resonance images, endoscopic video sequences, ultrasound images, external trackers) relative to the patient's anatomy, control the movement of medical endoscopes and surgical tools, and guide the surgeon's actions during endoscopic interventions. Nevertheless, it remains challenging to realize the next generation of context-aware navigated endoscopy. This review presents a broad survey of various aspects of endoscopic navigation, particularly with respect to the development of of endoscopicnavigation techniques. First, we investigate big data with multimodal information involved in endoscopic navigation. Next, we focus on numerous methodologies used for endoscopic navigation. We then review different endoscopic procedures in clinical applications. Finally, we discuss novel techniques and promising directions for the development of endoscopic navigation. Expected final online publication date for the Annual Review of Biomedical Engineering Volume 20 is June 4, 2018. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1803
[Cu] Class update date: 180305
[Lr] Last revision date:180305
[St] Status:Publisher
[do] DOI:10.1146/annurev-bioeng-062117-120917

  6 / 10277 MEDLINE  
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[PMID]: 29239925
[Au] Autor:Mladina R; Skitarelic N; Cingi C; Chen L; Bayar Muluk N
[Ad] Address:The Board of Surgical Sciences, Croatian Academy of Medical Sciences, Zagreb.
[Ti] Title:The Validity of Training Endoscopic Sinus and Skull Base Surgery Techniques on the Experimental Head Model.
[So] Source:J Craniofac Surg;29(2):498-501, 2018 Mar.
[Is] ISSN:1536-3732
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:OBJECTIVES: The aim of this study was to better understand the usual learning curve in acquiring endonasal endoscopic sinus and skull base surgery (ESSBS) techniques during the novice training on the lamb's head model. METHODS: Ten novices were asked to perform 10 bilateral dissections on the particular lamb's head each. The dissections were uniform, consisted of 10 well-defined steps, beginning from the simple removal of the inferior turbinate, and ending with more complicated procedures like cerebrospinal fluid leak repair, Draf 3 procedure for the frontal sinus and elevation of the nasal septal flap. The dissections have been supervised by experienced surgeons. A set of standard ESSBS instruments and 0° and 45° endoscopes have been used under the navigational system. The time required to complete each step has been measured in minutes. RESULTS: In general and quite expectedly, time rates have been obviously lowering as the number of the dissections performed has been growing in each of the participants. CONCLUSION: Training of the endonasal ESSBS techniques on the lamb's head proved to be useful for novices in getting basic surgical skills in the field. Because of the high degree of anatomic similarity and high level of the anatomic dimensions congruency between the lamb's head and human head (sheep's head has bigger dimensions!) it proved to be an essential preparation for the human cadaveric dissection. The median values of the time rates having been needed to complete the particular of the 10 steps in the last novices' dissections could be accepted as an orientation, just suggesting that once the time needed to complete 1 of the 10 steps has been and achieved by the particular novice, this could be an approximate sign of the maturity for the exercises on human cadaver head.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1712
[Cu] Class update date: 180306
[Lr] Last revision date:180306
[St] Status:In-Process
[do] DOI:10.1097/SCS.0000000000004208

  7 / 10277 MEDLINE  
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[PMID]: 29501633
[Au] Autor:Linsler S; Breuskin D; Tschernig T; Oertel J
[Ad] Address:Klinik für Neurochirurgie, Universitätsklinikum des Saarlandes, Homburg, Deutschland.
[Ti] Title:Reaching the sellar region endonasally - one or both nostrils? A pilot study in body donors.
[So] Source:Ann Anat;, 2018 Feb 28.
[Is] ISSN:1618-0402
[Cp] Country of publication:Germany
[La] Language:eng
[Ab] Abstract:INTRODUCTION: The purpose of this study was to evaluate the effect of posterior septectomy size on surgical exposure and surgical freedom during the endoscopic transsphenoidal approach to the sellar and parasellar region. METHODS: A mononostril and binostril approach to the sellar region was performed on 4 formalin-fixed cadaveric heads. Predefined anatomical structures were identified. Additionally, a millimeter gauge was introduced into the surgical site and the extent of dorsal septectomy was analyzed for both approaches. Surgical freedom was defined as the distance between the ipsilateral and contralateral limit of opening of the sphenoid sinus. RESULTS: The mean extent of dorsal septectomy was 15.7±5.7mm using a binostril approach to achieve adequate visualization of all relevant anatomical structures. Superior results were obtained via binostril technique with respect to the ability to identify the contralateral internal carotid artery or opticocarotid recessus. No such advantage was found for all other landmarks. Surgical freedom between the ipsilateral and contralateral limit of exposure of the sphenoid sinus was measured with 15±0.8mm in the mononostril and 19.2±0.9mm in the binostril group. CONCLUSIONS: The surgical exposure increased significantly with progressively larger posterior septectomy in binostril approaches until a 20-mm posterior septectomy. Bilateral lateral opticocarotid recesses were accessible with a mean of 15mm for posterior septectomy. In the mononostril group no dorsal septectomy was necessary. Thus, the nasal mucosa is more preserved by this technique. However, the lateral exposure is partially limited and the use of angled endoscopes is recommended when adopting a mononostril approach to the sellar region.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1803
[Cu] Class update date: 180304
[Lr] Last revision date:180304
[St] Status:Publisher

  8 / 10277 MEDLINE  
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[PMID]: 29465542
[Au] Autor:Huang L; Huang Z; Tai Y; Wang P; Hu B; Tang C
[Ad] Address:Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China.
[Ti] Title:The small bowel diseases detected by capsule endoscopy in patients with chronic abdominal pain: A retrospective study.
[So] Source:Medicine (Baltimore);97(8):e0025, 2018 Feb.
[Is] ISSN:1536-5964
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:Chronic abdominal pain (CAP) remains a particular challenge because of its complicated causes, especially when the disorders involve the small bowel, where it is quite difficult to intubate the flexible endoscopes. This study was to investigate the small bowel diseases detected by capsule endoscopy (CE) in CAP patients to evaluate the role of CE on CAP, and analyzed the relationship among the clinical characteristics of CAP patients and the positive rates of CE findings to search for the indications of CE for CAP patients.This retrospective study included 341 patients with CAP defined as recurrent abdominal pain for no <3 months. Each patient underwent CE after a negative diagnostic work-up. All CE images were reviewed by 3 gastroenterologists independently. The positive findings were defined as abnormal findings in the small bowel that might have been the causes of CAP. The final diagnosis was confirmed by CE findings, clinical features, histopathology, and a response to the treatment during the follow-up for at least 3 months after CE.The overall positive rate of CE findings was 28.15% (96/341). The positive rate in CAP-A (CAP with associated symptoms) group was significantly higher than that in CAP-O (CAP only) group (33.16% vs 21.38%, P = .017). Multivariate logistic regression analysis revealed that weight loss (odds ratio [OR] = 2.827, 95% confidence interval (CI) = 1.938-4.926), hypoalbuminemia (OR = 6.142, 95%IC = 4.129-8.274), elevated erythrocyte sedimentation rate (ESR) (OR = 4.025, 95%IC = 3.178-6.892), or increased C-reactive protein (CRP) (OR = 7.539, 95%CI = 5.365-11.723) were significantly associated with high positive rates. On follow-up, final diagnosis was confirmed in 56 of 69 (81.16%) patients with positive CE findings. About half of these patients (46.38%, 32/69) were diagnosed as inflammatory diseases, including Crohn disease (12), tuberculosis (5), NSAID enteropathy (4), etc. Tumors were proved in 21.74% (15/69) patients, including malignant in 7 cases and benign in 8 cases. Parasitosis was found in 9 (13.04%) patients.This study suggests that CE may be helpful for CAP patients to detect the small bowel diseases, half of which were comprised of inflammatory diseases. Besides, weight loss, hypoalbuminemia, elevated ESR, or increased CRP may be regarded as the indications of CE for CAP patients.
[Mh] MeSH terms primary: Abdominal Pain/etiology
Capsule Endoscopy/methods
Chronic Pain/etiology
Intestinal Diseases/diagnostic imaging
Intestine, Small/diagnostic imaging
[Mh] MeSH terms secundary: Adolescent
Adult
Aged
Blood Sedimentation
C-Reactive Protein/analysis
Female
Humans
Hypoalbuminemia/complications
Logistic Models
Male
Middle Aged
Retrospective Studies
Weight Loss
Young Adult
[Pt] Publication type:EVALUATION STUDIES; JOURNAL ARTICLE
[Nm] Name of substance:9007-41-4 (C-Reactive Protein)
[Em] Entry month:1803
[Cu] Class update date: 180302
[Lr] Last revision date:180302
[Js] Journal subset:AIM; IM
[Da] Date of entry for processing:180222
[St] Status:MEDLINE
[do] DOI:10.1097/MD.0000000000010025

  9 / 10277 MEDLINE  
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[PMID]: 29494918
[Au] Autor:Sakudo A; Miyagi H; Horikawa T; Yamashiro R; Misawa T
[Ad] Address:Laboratory of Biometabolic Chemistry, School of Health Sciences, University of the Ryukyus, Nishihara, Okinawa 903-0215, Japan. Electronic address: sakudo@med.u-ryukyu.ac.jp.
[Ti] Title:Treatment of Helicobacter pylori with dielectric barrier discharge plasma causes UV induced damage to genomic DNA leading to cell death.
[So] Source:Chemosphere;200:366-372, 2018 Feb 19.
[Is] ISSN:1879-1298
[Cp] Country of publication:England
[La] Language:eng
[Ab] Abstract:Gastrointestinal endoscopy is an important tool for the indentification and treatment of disorders of the gastrointestinal tract. However, nosocomial infections of Helicobacter pylori have been linked to the use of contaminated endoscopes. Disinfectants such as glutaraldehyde, ortho-phthalaldehyde and peracetic acid are generally used in the reprocesssing of endoscopes, but these chemicals are hazardous to human health. Thus, safer reprocessing and disinfecion methods are needed. In this study, we applied a dielectric barrier discharge (DBD) plasma torch for inactivation of H. pylori to investigate a potential new methodology to disinfect endoscopes. Suspensions of H. pylori in 10% glycerol were subjected to the DBD plasma torch, which reduced the viable cell count to undetectable levels after 2 min of treatment. Furthermore, urease activity of H. pylori was eliminated after 2 min-plasma treatment, while plasma-treatment reduced the intact DNA of H. pylori in a time-dependent manner. Next, we examined several potential bactericidal factors produced by the DBD plasma torch. Two min-plasma treatment resulted in a small temperature rise (4 °C), ultraviolet radiation (UV) generation, and the production of hydrogen peroxide. H. pylori samples were then exposed to equivalent levels of each of these factors in turn. Our results showed that treatment with heat and hydrogen peroxide at the levels produced after 2-min of plasma treatment did not efficiently inactivate H. pylori, whereas exposure to UV had a significant bactericidal effect. Taken together, UV generated by the plasma torch may be crucial for efficient inactivation of H. pylori by damaging the bacterial DNA.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1803
[Cu] Class update date: 180301
[Lr] Last revision date:180301
[St] Status:Publisher

  10 / 10277 MEDLINE  
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[PMID]: 29493720
[Au] Autor:Kouhi A; Zarch VV; Pouyan A
[Ad] Address:Otorhinolaryngology Research Center, Amir-A'lam Hospital, North Sa'adi Ave., Tehran, Iran.
[Ti] Title:Risk of posterior semicircular canal trauma when using a retrosigmoid approach for acoustic neuroma surgery and role of endoscopy: An imaging study.
[So] Source:Ear Nose Throat J;97(1-2):24-30, 2018 Jan-Feb.
[Is] ISSN:1942-7522
[Cp] Country of publication:United States
[La] Language:eng
[Ab] Abstract:The rate of hearing preservation after vestibular schwannoma surgery is variable and is not as high as expected, possibly due to injuries to the posterior semicircular canal while exposing the tumor. The aim of this study was to estimate the risk of posterior semicircular canal injuries using temporal bone computed tomography (CT) scan findings. Temporal bone CT scans of 30 patients selected between 2013 and 2015 were studied. The median age of the patients was 40 years. Two planes were studied: (1) the axial plane that shows the common crus of the posterior semicircular canal and (2) the coronal plane that shows the two crura of the posterior semicircular canal. Five lines were drawn and four angles and three distances were measured. In this study, we divided the patients into three groups consisting of 10 patients each: (1) patients with no evidence of inflammatory or neoplastic disease, (2) those with chronic ear disease, and (3) those with vestibular schwannomas. The portion of the internal auditory canal that was exposed by drilling while preserving the posterior semicircular canal was 53 to 64% and 61 ± 9% in whole temporal bones in the three groups. The mean angle of vision with an endoscope was less than 105° in 56% of cases, which means even with a 30° endoscope, the fundus could not be visualized. Therefore, according to our data, it seemed impossible to expose the whole length of the internal auditory canal from the porus to the fundus without causing injury to the posterior semicircular canal. However, the use of endoscopes may help to prevent injury.
[Pt] Publication type:JOURNAL ARTICLE
[Em] Entry month:1803
[Cu] Class update date: 180301
[Lr] Last revision date:180301
[St] Status:In-Process


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