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  1. AU="Lawson, Richard"
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  1. Article ; Online: Carpal tunnel syndrome caused by an interosseous ganglion of the lunate.

    Heading, Sally L / Duraku, Liron S / Lawson, Richard

    The Journal of hand surgery, European volume

    2024  , Page(s) 17531934241227809

    Abstract: We present a case of a 29-year-old woman with diffuse, unilateral wrist pain and carpal tunnel syndrome secondary to an interosseous ganglion of the lunate and aim to highlight uncommon aetiologies when assessing patients with atypical carpal tunnel ... ...

    Abstract We present a case of a 29-year-old woman with diffuse, unilateral wrist pain and carpal tunnel syndrome secondary to an interosseous ganglion of the lunate and aim to highlight uncommon aetiologies when assessing patients with atypical carpal tunnel symptoms.
    Language English
    Publishing date 2024-01-31
    Publishing country England
    Document type Journal Article
    ZDB-ID 2272801-6
    ISSN 2043-6289 ; 1753-1934
    ISSN (online) 2043-6289
    ISSN 1753-1934
    DOI 10.1177/17531934241227809
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1940: Show issues Location:
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  2. Article ; Online: Hotels in top college football towns face loan risks

    Lawson, Richard

    2020  

    Abstract: College football towns are the latest to see an economic impact due to the cancelation of football seasons and fan limitations. The further cancellation of film festivals, music festivals, and conventions, on top of college football season fan ... ...

    Abstract College football towns are the latest to see an economic impact due to the cancelation of football seasons and fan limitations. The further cancellation of film festivals, music festivals, and conventions, on top of college football season fan limitations, have notably hit Nashville and Austin the hardest. The Power Five Conference teams have seen the greatest impact of devastation, with many hotels in their regions behind on loan payments.
    Keywords COVID-19 ; College Football ; Pandemic Response ; Hotel Industry ; NCAA ; Power Five Conferences ; College Towns ; covid19
    Language English
    Publishing date 2020-09-24
    Publisher Hotel New Now
    Publishing country us
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Calculating the precision of slope-intercept glomerular filtration rate measurements.

    Memmott, Matthew J / Lawson, Richard S

    Nuclear medicine communications

    2022  Volume 43, Issue 8, Page(s) 959–966

    Abstract: Glomerular filtration rate (GFR) can be measured by observing the clearance of a suitable tracer from blood plasma after an intravenous injection. Slope-intercept GFR is an estimate of GFR calculated from an exponential fit to multiple blood sample ... ...

    Abstract Glomerular filtration rate (GFR) can be measured by observing the clearance of a suitable tracer from blood plasma after an intravenous injection. Slope-intercept GFR is an estimate of GFR calculated from an exponential fit to multiple blood sample measurements. The precision of the result depends on the uncertainties on all the measured quantities, but the most important factor is the error on the slope and intercept of the fit. However, these two errors are not independent as an increase in slope tends to produce an increase in intercept as well. This study derives the appropriate equations for calculating the precision of the result and shows that, if this dependence is not taken into account, the uncertainty in GFR can be significantly overestimated. The advantage of using Chi-square as a quality control measure is also introduced.
    MeSH term(s) Glomerular Filtration Rate ; Kinetics ; Quality Control ; Uncertainty
    Language English
    Publishing date 2022-06-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 758141-5
    ISSN 1473-5628 ; 0143-3636
    ISSN (online) 1473-5628
    ISSN 0143-3636
    DOI 10.1097/MNM.0000000000001593
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.A 1577: Show issues Location:
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  4. Article ; Online: The Medial Femoral Trochlea Osteochondral Flap for Scaphoid Reconstruction: A Systematic Review.

    Sivakumar, Brahman / Lawson, Richard / Graham, David J

    Hand (New York, N.Y.)

    2023  , Page(s) 15589447231151430

    Abstract: Background: The medial femoral trochlea flap has been used to resurface scaphoids with recalcitrant proximal pole fractures or avascular necrosis, providing vascularized osteochondral tissue with similar morphological characteristics. This article aims ... ...

    Abstract Background: The medial femoral trochlea flap has been used to resurface scaphoids with recalcitrant proximal pole fractures or avascular necrosis, providing vascularized osteochondral tissue with similar morphological characteristics. This article aims to review the contemporary literature on its use for scaphoid reconstruction.
    Methods: A systematic review of Embase, PubMed, Cochrane Central Register of Controlled Trials, and MEDLINE assessed the use of medial femoral trochlea flaps in scaphoids.
    Results: Eight studies were included, with 76 patients at a mean age of 26 years. Forty-three patients underwent clinical review, and 10 patients underwent radiographic evaluation, at a mean 23.3 months of follow-up. Flaps were generally performed for proximal pole fractures, avascular necrosis, nonunion, or failure of prior fixation; 94.4% of the flaps united. No marked change in sagittal plane motion was noted; reductions were seen in axial and coronal plane motion. The Disabilities of the Arm, Shoulder, and Hand scores improved from a mean of 25.2 to 11.5. Radiographic markers also improved. A total of 12.3% of patients had unplanned return to theater. Three patients required early revision for vascular thrombosis, and 1 patient suffered a volar carpal dislocation. Three patients underwent salvage procedures for ongoing pain.
    Conclusions: Although technically demanding, promising early-term to medium-term results are noted with the use of medial femoral trochlea flaps in the scaphoid.
    Language English
    Publishing date 2023-02-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2277325-3
    ISSN 1558-9455 ; 1558-9447
    ISSN (online) 1558-9455
    ISSN 1558-9447
    DOI 10.1177/15589447231151430
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.A 6820: Show issues Location:
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  5. Article ; Online: An accessory extensor pollicis longus tendon: an anatomical variant.

    Kim, Raymond G / Graham, David / Lawson, Richard / Sivakumar, Brahman

    ANZ journal of surgery

    2023  Volume 93, Issue 10, Page(s) 2505–2507

    MeSH term(s) Humans ; Tendons ; Thumb ; Wrist
    Language English
    Publishing date 2023-08-21
    Publishing country Australia
    Document type Case Reports
    ZDB-ID 2050749-5
    ISSN 1445-2197 ; 1445-1433 ; 0004-8682
    ISSN (online) 1445-2197
    ISSN 1445-1433 ; 0004-8682
    DOI 10.1111/ans.18659
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    Zs.A 180: Show issues Location:
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  6. Article ; Online: The Volar Midline Longitudinal Groove of the Middle Phalanx: An Anatomic Study and Clinical Implications.

    Tiedgen, Alexander / Jhattu, Hardeep / Lawson, Richard / Sivakumar, Brahman

    The Journal of hand surgery

    2022  

    Abstract: Purpose: To investigate the volar anatomy of the middle phalanges of the hand; in particular, to define the presence and depth of a volar midline longitudinal groove.: Methods: Measurements were performed at 5 equidistant points along the shafts of ... ...

    Abstract Purpose: To investigate the volar anatomy of the middle phalanges of the hand; in particular, to define the presence and depth of a volar midline longitudinal groove.
    Methods: Measurements were performed at 5 equidistant points along the shafts of 60 skeletonized middle phalanges from 15 cadaveric hands. The thickness at the midline of each phalanx was subtracted from the maximal dorsovolar thickness to indicate the presence or absence of a groove at each point. The phalanges were also evaluated by computed tomography to confirm the presence of a volar groove and to rule out morphological abnormalities.
    Results: A volar groove was confirmed in all 60 phalanges. The groove had an average depth of 0.4 mm and was found to be deepest at the mid-phalangeal shaft. The groove reached a depth of greater than 1 mm in 23% of the phalanges. The middle phalanges of the middle and ring digits consistently revealed deeper grooves than those found in the index and little fingers. Computed tomography confirmed the presence of a volar groove and showed no morphological abnormalities.
    Conclusions: A midline volar longitudinal groove is present in the middle phalanges, is most pronounced in the mid-phalangeal shaft, and is the deepest in the middle and ring fingers.
    Clinical relevance: Surgeons should be cognizant of the volar longitudinal groove when inserting screws from dorsal to volar during the fixation of middle phalangeal fractures. Lateral intraoperative fluoroscopy may not reveal excessive screw penetration because of the presence of ridges on either side of the groove. Particular care should be taken at the mid-phalangeal level of the middle phalanges of the middle and ring fingers.
    Language English
    Publishing date 2022-11-10
    Publishing country United States
    Document type Journal Article
    ZDB-ID 605716-0
    ISSN 1531-6564 ; 0363-5023
    ISSN (online) 1531-6564
    ISSN 0363-5023
    DOI 10.1016/j.jhsa.2022.10.004
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  7. Article ; Online: Outcomes of First Metacarpal Extension Osteotomy for Base of Thumb Arthritis.

    Chiang, Jenny / Graham, David / Lawson, Richard / Sivakumar, Brahman

    Hand (New York, N.Y.)

    2022  Volume 18, Issue 2_suppl, Page(s) 74S–80S

    Abstract: Background: First metacarpal extension osteotomy (FMEO) aims to correct the adduction deformity associated with thumb arthritis, as well as improve the congruity at the first carpometacarpal (FCMC) joint. However, the benefits of this procedure are ... ...

    Abstract Background: First metacarpal extension osteotomy (FMEO) aims to correct the adduction deformity associated with thumb arthritis, as well as improve the congruity at the first carpometacarpal (FCMC) joint. However, the benefits of this procedure are currently unclear. The purpose of this study is to investigate the outcomes of FMEO in the treatment of FCMC joint arthritis.
    Methods: Electronic databases were searched systematically for original data studies in the English language reporting outcomes following FMEO for base of thumb arthritis. Data were extracted from the text, tables, and figures of publications and meta-analyzed where possible.
    Results: Ten publications comprising 211 thumbs were included. FMEO was associated with an improvement in pain relief and patient-reported functional outcomes, however meta-analysis showed no significant long-term improvement in grip strength or lateral pinch grip. Although there was disease progression in one third of patients after FMEO, most did not require further procedures. Outcomes following secondary procedures was not analyzed in the literature. FMEO produced a range of minor complications, however, major complications were rare.
    Conclusions: The available evidence suggests FMEO does not improve grip or pinch strength. However, it may have a role in analgesia and improvement in functional outcomes. Further studies should compare outcomes of FMEO to continued nonoperative treatment, or other surgical options including arthroscopy or ligamentous reconstruction.
    MeSH term(s) Humans ; Thumb/surgery ; Osteoarthritis/surgery ; Metacarpal Bones/surgery ; Plastic Surgery Procedures ; Osteotomy/methods
    Language English
    Publishing date 2022-01-20
    Publishing country United States
    Document type Meta-Analysis ; Journal Article
    ZDB-ID 2277325-3
    ISSN 1558-9455 ; 1558-9447
    ISSN (online) 1558-9455
    ISSN 1558-9447
    DOI 10.1177/15589447211065071
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  8. Article ; Online: Recurrent Trigger Finger Caused by Herniation of Flexor Digitorum Profundus through the Chiasma - A Case Report.

    Tolerton, Sarah K / Sivakumar, Brahman S / Lawson, Richard D

    The journal of hand surgery Asian-Pacific volume

    2022  Volume 27, Issue 4, Page(s) 732–735

    Abstract: Trigger digit is a common condition which is largely idiopathic in etiology. Less frequently, it has been described secondary to anatomical variations or space occupying lesions. We describe a patient who developed a recurrent trigger finger after a ... ...

    Abstract Trigger digit is a common condition which is largely idiopathic in etiology. Less frequently, it has been described secondary to anatomical variations or space occupying lesions. We describe a patient who developed a recurrent trigger finger after a surgical release of the first annular pulley. Intraoperatively, the trigger was noted to be caused by herniation of the flexor digitorum profundus (FDP) tendon into a noose formed by the two slips of the flexor digitorum superficialis tendon (FDS) and the proximal edge of the second annular pulley.
    MeSH term(s) Biomechanical Phenomena ; Hand ; Humans ; Muscle, Skeletal ; Tendons/diagnostic imaging ; Tendons/surgery ; Trigger Finger Disorder/etiology ; Trigger Finger Disorder/surgery
    Language English
    Publishing date 2022-08-08
    Publishing country Singapore
    Document type Case Reports ; Journal Article
    ZDB-ID 2848651-1
    ISSN 2424-8363 ; 2424-8355
    ISSN (online) 2424-8363
    ISSN 2424-8355
    DOI 10.1142/S2424835522720365
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    Zs.A 5911: Show issues Location:
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  9. Book: Bills of health

    Lawson, Richard

    1997  

    Author's details Richard Lawson
    Keywords State Medicine / economics / Great Britain ; Health Status ; Socioeconomic Factors ; Environmental Health / economics / Great Britain ; Großbritannien ; Gesundheitsökonomie
    Subject Gesundheitsökonomik ; Gesundheitswesen ; Medizinökonomie ; Medizinökonomik ; Medizinische Ökonomie ; Medizinische Ökonomik ; Health Economics
    Language English
    Size XIV, 273 S. : Ill., graph. Darst.
    Publisher Radcliffe Med. Press
    Publishing place Oxford u.a.
    Publishing country Great Britain
    Document type Book
    HBZ-ID HT007586678
    ISBN 1-85775-101-9 ; 978-1-85775-101-7
    Database Catalogue ZB MED Medicine, Health

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    Shelf markLoan statusLocation
    1997 A 5780 order for loan Magazin

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  10. Article ; Online: Acute Mallet Finger Injuries-A Review.

    Sivakumar, Brahman Shankar / Graham, David J / Ledgard, James P / Lawson, Richard D

    The Journal of hand surgery

    2022  Volume 48, Issue 3, Page(s) 283–291

    Abstract: Acute disruptions of the terminal extensor tendon are common and can result in significant dysfunction if not recognized and treated appropriately. This article provides a topical review of the contemporary literature concerning acute mallet finger ... ...

    Abstract Acute disruptions of the terminal extensor tendon are common and can result in significant dysfunction if not recognized and treated appropriately. This article provides a topical review of the contemporary literature concerning acute mallet finger injuries. It also proposes a modification to the Doyle classification to make it more encompassing and less prone to interobserver error.
    MeSH term(s) Humans ; Finger Injuries/therapy ; Tendon Injuries/therapy ; Tendons ; Hand Deformities, Acquired/therapy ; Arthritis
    Language English
    Publishing date 2022-12-09
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 605716-0
    ISSN 1531-6564 ; 0363-5023
    ISSN (online) 1531-6564
    ISSN 0363-5023
    DOI 10.1016/j.jhsa.2022.10.013
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