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| WordWatcher |
| Stedman's WordWatcher provides you with access to precise, accurate and case-correct terms covering a wide range of areas, including laboratory tests, diagnostic procedures, surgical operations, and equipment/instrumentation. For previous postings, please click on a listing on the right hand menu bar.
Please note: Stedman's WordWatcher has been discontinued from stedmans.com; however, we are considering publishing WordWatcher in another format. If you are interested in seeing WordWatcher continued as a publication, please let us know by contacting us at stedmans@lww.com. |
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Laboratory Tests:
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| carbohydrate sulfotransferase-6 (CHST6) gene assay |
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Synonyms: none |
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Usage: identification of patients and families at risk for macular corneal dystrophy |
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Method: isolation of genomic DNA, followed by amplification of CHST6 gene coding regions and sequencing of amplified products |
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Specimen: serum |
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Normal Range: no gene mutations present |
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Comments: none |
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Source: Adapted from Sultana A, Sridhar MS, Jagannathan A, Balasubramanian D, Kannabiran C, Klintworth GK. Novel mutations of the carbohydrate sulfotransferase-6 (CHST6) gene causing macular corneal dystrophy in India. Molecular Vision 2003(9):730-4. |
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Diagnostic Procedures:
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| iris image recognition registration |
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Synonyms: none |
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Indications: need for cyclotorsional alignment of the preoperative wavefront diagnostic information and verification of patient identification for surgery |
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Method: analysis and matching of digital iris images captured by pupil camera of an aberrometer and by a camera mounted on a laser when a patient is lying underneath it for treatment, and by use of sophisticated software, reference points obtained by the aberrometer are then stored and compared with the image obtained at the laser to find the best positional match for surgery, as well as providing verification of patient identification via iris image recognition and re-registration for intraoperative cyclotorsional movement |
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Normal Findings: alignment between two imaging systems is achieved prior to surgery, to be used at time of surgery, and verification of patient identification via iris image identification is confirmed at time of surgery |
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Comments: this technology offers many advantages compared with the more prevalent use of manual scleral markings for the same indication |
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Source: Adapted from Guttman C. Higher accuracy: Iris recognition technology aids cyclotorsional registration; sophisticated automatic software helps ensure optimal technique for wavefront-driven surgery. Ophthalmology Times 2004;29(4):43-44. |
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Surgical Operations:
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| laparoscopic resection gastric duplication |
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Description: ports are inserted in standard technique for Nissen fundoplication; collateral veins were ligated using scalpel; duplication dissected free from the esophagus and stomach using harmonic scalpel; care is taken to not enter gastric or esophageal lumen; surgical intervention was completed using Nissen procedure of wrapping exposed esophageal mucosa |
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Anatomy: abdomen; liver; gastric artery; esophagogastric area |
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Equipment: trocars; scalpel |
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Source: Adapted from Machado MAC, Santos V, Martino R, et al. Laparoscopic resection of gastric duplication: Successful treatment of a rare entity. Surgical Laparoscopy, Endoscopy & Percutaneous Techniques 2003;13-4:268-270. |
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Instrument/Device/Equipment:
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| LMA (laryngeal mask airway)—Flexible |
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Description: suitable for head and neck procedures; airway tube may be positioned away from surgical field without loss of seal; wire-reinforced tube resists kinking and cuff dislodgment; available in three pediatric and three adult sizes |
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Source: LMA North America Inc. product information. San Diego, CA. |
| LMA (laryngeal mask airway)—ProSeal |
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Description: improves the laryngeal seal without increasing mucosal pressures; separates the respiratory and alimentary tracts; provides higher airway seal pressures for use with positive pressure ventilation (PPV) |
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Source: LMA North America Inc. product information. San Diego, CA. |
| NobelPerfect dental implant |
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Description: unique, anatomically designed implant for esthetically demanding areas; scalloped implant design combines esthetics with biology in 3-dimensional osseous ridge |
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Source: Nobel Biocare USA Inc. product information. Yorba Linda, CA. |
| Olfactometer OM2S stimulus apparatus |
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Description: allows application of chemical stimuli without concomitant stimulation of mechanoreceptors or thermoreceptors |
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Source: Burghart Instruments product information. Wedel, Germany. |
| OnePort trocar |
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Description: provides the adaptability of a universal seal; every size and type of trocar for any procedure, from pediatric to bariatric |
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Source: ConMed product information. Utica, NY. |
| Optec 3500 vision tester |
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Description: vision tester controlled by microprocessor with night/day target illumination, distance/near lens systems, FACT contrast sensitivity testing, glare luminance tests, stereo test, phoria test, color test, potential acuity, and Snellen test in true Early Treatment Diabetic Retinopathy Study (ETDRS) format, and with remote control |
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Source: Stereo Optical Co. product information. Chicago, IL. |
| Perfect Pupil injector |
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Description: injector system to facilitate the placement of the Perfect Pupil expansion device (which is a small pupil dilator) through the wound into the viscoelastic-filled anterior chamber onto the surface of the iris, stainless steel and autoclavable instrument |
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Source: Mirvella Pty. Ltd. product information. Eden Prairie, MN. |
| Pillar palatal implant system |
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Description: revolutionary new treatment that can substantially reduce snoring without cutting, burning, or removing soft palate tissue; three small inserts are placed in the soft palate to stiffen tissue; permanent; promotes tissue ingrowth and fibrosis; offers lasting effect; designed to be a one-time placement; takes effect within 2-4 weeks; completely reversible |
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Source: Restore Medical Inc. product information. St. Paul, MN. |
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