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拇短展肌肌力定量检测的正常值及其可信度研究

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中华手外科杂志 2004年第1期20卷 44-46页

作者：刘璠 Lois Carlson h.kirk watson 南通医学院附属医院骨科江苏226001 Connecticut Combined hand Survice:hartford hospital University of Connecticut.Hartford CTYale UniversityNew HavenCT

目的　探讨拇短展肌肌力定量检测所得的正常值并分析其可信度。方法　用微电脑控制便携式肌力测量仪对 2 0～ 59岁的 2 97位正常人进行拇短展肌肌力正常值的测定。另 1组 12位正常人被用于组内及组间可信度测定。结果　各组正常值相当恒... 详细信息

目的　探讨拇短展肌肌力定量检测所得的正常值并分析其可信度。方法　用微电脑控制便携式肌力测量仪对 2 0～ 59岁的 2 97位正常人进行拇短展肌肌力正常值的测定。另 1组 12位正常人被用于组内及组间可信度测定。结果　各组正常值相当恒定 ,男性均大于女性。年龄、性别、优势与非优势手之间无显著差异。组内及组间可信度系数分别为 0 .92、0 .89。结论　该研究可为临床检测拇短展肌肌力提供客观、量化的正常值标准。

关键词：拇短展肌肌力定量检测正常值可信度年龄性别

拇短展肌肌力定量测定在腕管综合征诊断中作用

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中华创伤骨科杂志 2003年第4期5卷 312-315页

作者：刘璠 h.kirk watson Lois Carlson 南通医学院附院骨科 Connecticut Combined hand Surgery Hartford Hospital University of ConnecticutHartfordCTand Yale UniversityNewHavenCT06106USA

目的探讨临床客观、量化的拇短展肌肌力评判方法。方法应用计算机化微型便携式肌力测定仪对101例(162只手)腕管综合征患者进行测定。其中女77例、男24例。年龄20～59岁。所有患者均于术前进行了肌力测定,其中62只手在术后6周再次测定。... 详细信息

目的探讨临床客观、量化的拇短展肌肌力评判方法。方法应用计算机化微型便携式肌力测定仪对101例(162只手)腕管综合征患者进行测定。其中女77例、男24例。年龄20～59岁。所有患者均于术前进行了肌力测定,其中62只手在术后6周再次测定。结果44%的患者具有拇短展肌肌力减弱,其不同性别间的差异具有极显著意义(P<0.001)。部分年龄组别间差异有显著性意义(P<0.05)。术前术后差异具极显著意义(P<0.001)。结论拇短展肌肌力定量测定是判断腕管综合征严重程度、评定疗效的一个良好的客观指标。

关键词：腕管综合征肌力测定仪拇短展肌定量测定诊断

腕管综合征主要症状体征敏感性与特异性的比较

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中华手外科杂志 2004年第3期20卷 140-142页

作者：刘璠 Lois Carlson h.kirk watson 江苏省南通医学院附属医院骨科 Connecticut Combined hand Surgery Hartford HospitalUniversity of Connecticutand Yale UniversityCT06106USA

目的　比较腕管综合征 (carpaltunnelsyndrome ,CTS)主要症状、体征的敏感性与特异性。方法　对 10 1例 ( 162只手 )进行症状严重程度与功能状况的询问 ,感觉、运动功能的检查 ;其中 62只手在术后 6周再次测定。结果　 162只患手中 15 ... 详细信息

目的　比较腕管综合征 (carpaltunnelsyndrome ,CTS)主要症状、体征的敏感性与特异性。方法　对 10 1例 ( 162只手 )进行症状严重程度与功能状况的询问 ,感觉、运动功能的检查 ;其中 62只手在术后 6周再次测定。结果　 162只患手中 15 8只具有典型症状 ( 98% )。Phalen征、前臂正中神经加压征、Semmes Weinstein单丝纤维测试阳性率分别为 98%、96%、82 %。 87%的患手出现肌力下降 ,拇短展肌肌力测定 (定量法 )结果显示 ,与徒手法相比 ,不同性别间、术前与术后的差异均具非常显著意义 (P halen征、前臂正中神经加压征、拇短展肌肌力变化的敏感性与特异性最高 ,拇短展肌肌力定量法测定是判断腕管综合征严重程度、评定疗效的一个良好的客观指标。

关键词：腕管综合征肌力主要症状体征特异性典型症状前臂结论定量法徒手

high resolution tracking of adult horseshoe crabs Limulus polyphemus in a New hampshire estuary using fixed array ultrasonic telemetry

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Current Zoology 2010年第5期56卷 599-610页

作者： Winsor h.watson Ⅲ Christopher C.ChABOT Department of Biological Sciences University of New Hampshire Department of Biology Plymouth State University

While several studies have documented the large-scale, seasonal movements of horseshoe crabs, little is known about their fine-scale, daily movement patterns. In this study we used a fixed array ultrasonic telemetry system to track the movements of 12 male and 16 female horseshoe crabs in the Great Bay estuary, New hampshire. Data were obtained during the mating season, as well as during the remainder of the summer and fall, in the years 2005-2008. During the mating season animals were often, but not always, active during the high tides when they were approaching and leaving the spawning beaches. On average, both males and females approached mating beaches during 33% of the high tides they experienced and they most often made the tran- sition from being inactive to active during the last two hours of an incoming tide. From April-October horseshoe crabs were significantly more active during high tide periods vs low tide periods, with no clear preference for diurnal vs nocturnal activity. After the mating season ended horseshoe crabs continued to move into shallower water at high tide and then return to deeper water at low tide. Observations by SCUBA divers suggest that during these excursions into the mudflats horseshoe crabs were digging pits in the sediment while foraging for food. Thus, the tidal rhythm of activity that has been so well documented during the mating season probably persists into the fall, and primarily involves foraging activities

关键词： Telemetry Tracking Movements Mating Foraging Estuary

Circatidal rhythms of locomotion in the American horseshoe crab Limulus polyphemus: Underlying mechanisms and cues that influence them

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Current Zoology 2010年第5期56卷 499-517页

作者： Christopher C.ChABOT Winsor h.watson Ⅲ Department of Biological Sciences Plymouth State University Department of Biological Sciences University of New Hampshire

While eye sensitivity in the American horseshoe crab Limulus polyphemus has long been known to be under the control of an endogenous circadian clock, only recently has horseshoe crab locomotion been shown to be controlled by a separate clock system. In the laboratory, this system drives clear activity rhythms throughout much of the year, not just during the mating season when horseshoe crabs express clear tidal rhythms in the field. Water temperature is a key factor influencing the expression of these rhythms： at 17~C tidal rhythms are expressed by most animals, while at I l^C expression of circatidal rhythms is rarely seen, and at 4~C rhythms are suppressed. Neither long （16：8 Light：Dark） nor short （8：16） photoperiods modify this behavior at any of these temperatures. Synchronization of these circatidal rhythms can be most readily effeeted by water pressure cycles both in situ and in the lab, while temperature and current cycles play lesser, but possibly contributory, roles. Interestingly, Light：Dark cycles appear to have synchronizing as well as ＂masking＂ effects in some individuals. Evidence that each of two daily bouts of activity are independent suggests that the Limulus circatidal rhythm of locomotion is driven by two （circalunidian） clocks, each with a period of 24.8h. While the anatomical locations of either the circadian clock, that drives fluctuations in visual sensitivity, or the circatidal clock, that controls tidal rhythms of locomotion, are currently unknown, preliminary molecular analyses have shown that a 71 kD protein that reacts with antibodies directed against the Drosophila PERIOD （PER） protein is found in both the pro- tocerebrum and the subesophageal ganglion

关键词： Circatidal Circadian Circalunidian Rhythms Behavior PER Tides Locomotion

horseshoe crab behavior:Patterns and processes

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Current Zoology 2010年第5期56卷 I0001-I0003页

作者： Christopher C.Chabot Winsor h.watson Ⅲ Plymouth State University University of New hampshire

1 Introduction The Ameriean horseshoe erab Limulus PolyPhemus has long served as a souree of delight and insPiration to a broad eross-seetion of seientists-from naturalists to ***, for the last hundred years or so,new... 详细信息

关键词：行为马蹄科学家自然主义蟹

Seasonal movements of American horseshoe crabs Limulus polyphemus in the Great Bay Estuary,New hampshire (USA)

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Current Zoology 2010年第5期56卷 587-598页

作者： Susanne Y SChALLER Christopher C.ChABOT Winsor h.watson Ⅲ Department of Biological Sciences University of New Hampshire Department of Biology Plymouth State University

The goal of this study was to determine the year round movement patterns of American horseshoe crabs, Limulus polyphemus, in the Great Bay Estuary, New hampshire （USA） by using acoustic telemetry to track the movements of 37 adult Limulus, for periods ranging from 2 to 31 months. During the winter （December-March） horseshoe crabs moved very little. In the spring, when water temperatures exceeded II^C, horseshoe crabs moved at least 1 km further up into the estuary to shallower subtidal areas about a month prior to spawning. The mean distance traveled during spring migrations was 2.6 ＋ 0.5 （n=20） km up the estuary. Mating occurred in May and June and during these months animals spent most of their time in shallow subtidal areas adjacent to mating beaches. In the summer （July-Augnst）, animals moved 1.5 ± 0.5 （n=26） km down the estuary, towards the ocean, and ranged widely, using extensive portions of the estuary. In the fall （September-November） movement was more limited （0.5 ± 0.5 km; n = 24） while animals settled into wintering locations, where they remained until spring. The mean annual linear range for all animals was 4.5 ± 0.3 km （n =35） and the maximum distance traveled by an individual horseshoe crab within one year was 9.2 km. There was no evidence that any of the horseshoe crabs tracked during this study left the estuary

关键词： Limuluspolyphemus Acoustic telemetry horseshoe crab Tracking Estuary home range

Male horseshoe crabs Limulus polyphemus use multiple sensory cues to locate mates

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Current Zoology 2010年第5期56卷 485-498页

作者： Katharine M.SAUNDERS h.Jane BROCKMANN Winsor h.watson Ⅲ Steven h.JURY Department of Biology University of Florida Department of Biological Sciences University of New Hampshire Biology Department Bates College

The use of multisensory cues to locate mates can increase an organism＇s success by acting as a back-up plan when one system fails, by providing additional information to the receiver, and by increasing their ability to detect mates using senses that have different ranges in a variable aquatic environment. In this contribution we review the sensory cues that male horseshoe crabs Lirnulus polyphemus are known to use when locating mates and then provide new data that shed light on this subject. Dur- ing the breeding season, females migrate into shore during high tides to spawn. Males attach to females as they approach the beach or are attracted to pairs already spawning. Vision is well established as an important cue in attracting males. Although chemoreception is well known in other marine arthropods, and horseshoe crabs have the anatomy available, there are few studies on chemical cues in this species. Experiments are presented here that provide evidence for chemical cue use. We show that the attraction, and retention, of attached and satellite males to actively spawning females and mating pairs involves multimodal cues

关键词： Multimodal communication horseshoe crabs Sensory system Mating cues

Emergency department procedural sedation for primary electrical cardioversion — a comparison with procedural sedations for other reasons

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World Journal of Emergency Medicine 2017年第3期8卷 165-169页

作者： Michael Butler Patrick Froese Peter Zed George Kovacs Robert Mac Kinley kirk Magee Mary-Lynn watson Samuel G.Campbell Department of Emergency Medicine Faculty of Medicine Dalhousie University Department of Undergraduate Medicine Faculty of Medicine Dalhousie University Faculty of Pharmaceutical Sciences University of British Columbia Department of Emergency Medicine Faculty of Medicine University of British Columbia

BACKGROUND: Atrial fibrillation(AF) is the most common arrhythmia treated in the emergency department(ED), with primary electrical cardioversion(PEC) the preferred method of rhythm control. Anecdotally, patients undergoing ED procedural sedation(EDPS) for PEC differ from those requiring EDPS for other procedures: they are at higher risk of adverse events, and require fewer drugs and lower doses. We attempt to verify this using an EDPS registry at a Canadian, tertiary care teaching ***: This is a retrospective review of patients that underwent EDPS for the period of June 2006 to September 2014. We compared demographics, medication use and intra-procedural adverse events between those receiving EDPS for PEC for AF compared to that for other indications. We report the asssociation between AEs and predictors using logistic ***: A total of 4 867 patients were included, 714 for PEC for AF and 4 153 for other indications. PEC patients were more likely male(58.5% vs. 47.1%), older(59.5 years vs. 48.1 years), and less likely to be ASA I(46.6% vs. 69.0%). PEC patients received smaller doses of propofol and less likely to receive adjuvant analgesic therapy(11.5% vs. 78.2%). PEC patients were more likely to experience hypotension(27.6% vs. 16.5%) but respiratory AEs(apnea, hypoxia and airway intervention) were not ***: EDPS for PEC differs from that conducted for other purposes: patients tend to be less healthy, receive smaller doses of medication and more likely to suffer hypotension without an increase in respiratory AEs. These factors should be considered when performing EDPS.

关键词： Procedural sedation Atrial fibrillation Electrical cardioversion