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| 1 | Usefulness of computed tomography based three-dimensional reconstructions to assess the critical shoulder angle显示文摘BACKGROUND The critical shoulder angle(CSA)is a radiographic measurement that provides an assessment of both glenoid inclination and acromial length.Higher values may correlate with the presence of rotator cuff tears.However,it is difficult to obtain a high-quality true anteroposterior(AP)radiograph of the shoulder,with any excess scapular version or flexion/extension resulting in deviation from the true CSA value.Three-dimensional(3D)bony reconstructions of computed tomography(CT)shoulder scans may be able to be rotated to obtain a similar view to that of true AP radiographs.AIM To compare CSA measurements performed on 3D bony CT reconstructions,with those on corresponding true AP radiographs.METHODS CT shoulder scans were matched with true AP radiographs that were classified as either Suter-Henninger type A or C quality.3D bony reconstructions were segmented from the CT scans,and rotated to replicate an ideal true AP view.Two observers performed CSA measurements using both CT and radiographic images.Measurements were repeated after a one week interval.Reliability was assessed using intraclass correlation coefficients(ICCs)and Bland-Altman plots[bias,limits of agreement(LOA)].RESULTS Twenty CT shoulder scans were matched.The mean CSA values were 32.55°(±4.26°)with radiographs and 29.82°(±3.49°)with the CT-based method[mean difference 2.73°(±2.86°);P<0.001;bias+2.73°;LOA-2.17°to+7.63°].There was a strong correlation between the two methods(r=0.748;P<0.001).Intra-observer reliability was similar,but the best intra-observer values were achieved by the most experienced observer using the CT-based method[ICC:0.983(0.958-0.993);bias+0.03°,LOA-1.28°to+1.34°].Inter-observer reliability was better with the CT-based method[ICC:0.897(0.758-0.958),bias+0.24°,LOA-2.93°to+3.41°].CONCLUSION The described CT-based method may be a suitable alternative for critical shoulder angle measurement,as it overcomes the difficulty in obtaining a true AP radiographic view. | Dominic Mah Uphar Chamoli Geoffrey CS Smith | 2021 | World Journal of Orthopedics2021，12，5： | 2 |
| 2 | Identification of ubiquitin,a novel presenitin interactor that increase presenilin protein accumulation显示文摘 | Mah AL Perry G Smith MA | 2000 | J Cell Biol2000，151，4： | 1 |
| 3 | Fragrance materials in asthma: a pilot study using a surrogate aerosol product显示文摘 | Dilini Vethanayagam Harissios Vliagoftis Dennell Mah Jeremy Beach Ladd Smith Redwan Moqbel | 2013 | Journal of Asthma2013，，9： | 1 |
| 4 | Evaluation of 3-hour ambulation post car- diac catheterization显示文摘 | Mah J Smith H Jensen L | 1999 | Can J Cardiovasc Nurs1999，10，12： | 1 |
| 5 | The HITRAN molecular spectroscopic database:edition of 2000 including updates through 2001显示文摘 | Rothman LS Barbe A Chris Benner D Brown LR Camy-Peyret C Carleer MR Chance K Clerbaux C Dana V Devi VM Fayt A Flaud J-M Gamache RR Goldman A Jacquemart D Jucks KW Lafferty WJ Mandin J-Y Massie ST Nemtchinov V Newnham DA Perrin A Rinsland CP Schroeder J Smith KM Smith MAH Tang K Toth RA Vander Auwera J Varanasi P Yoshino K | 2003 | JQSRT2003，82，： | 1 |
| 6 | Oviposition deterrence to Sitodiplosis mosellana (Diptera:Cecidomyiidae):a source of resistance for durum wheat (Gramineae)显示文摘 | Lamb RJ Smith MAH Wise IL Clarke P Clarke J | | 0，，04： | 1 |
| 7 | Oviposition peference and offspring performance of a wheat midge Sitodiplosis mosellana (Géhin) (Diptera:Cecidomyiidae) on defended and less defended wheat plants显示文摘 | Lamb R J Sridhar P Smith MAH Wise IL | | 0，，02： | 1 |
| 8 | Trophic interaction between Sitodiplosis mosellana (Diptera:Cecidomyiidae) and spring wheat:implications for yield and seed quality显示文摘 | Lamb R J Tucker JR Wise IL Smith MAH | | 0，，05： | 1 |
| 9 | Genetic variation in male alarydimorphism in populations of pea aphid Acyrthosiphon pi-sum 显示文摘 | Smith MAH Mackay PA | 1989 | Entomol Exp Appl1989，51，： | 1 |
| 10 | Oxyto- cin in postnatally depressed mothers: its influence on mood and expressed emotion显示文摘 | Mah BL van Ijzendoorn MH Smith R | 2012 | Prog Neuropsychopharmacol BioIPsychiatry2012，40，2： | 1 |
| 11 | Oviposi- tion preference and offspring performance of a wheat midge Sitodiplosis mosellana (Oehin) ( Diptera: Ce cidomyiidae) on defended and less defended wheat plants 显示文摘 | LAMBRJ SRIDHARP SMITH MAH etal | 2003 | Environmental Entomology2003，32，2： | 1 |
| 12 | Evaluation of 3-hour ambulation post cardiac catheterization显示文摘 | Mah J Smith H Jensen L | 1999 | Can J Cardiovasc Nuts1999，10，12： | 1 |
| 13 | Evaluation of 3-hour ambulation post cardiac catheterization显示文摘 | Mah J Smith H Jensen L | 1999 | Can J Cardiovasc Nurs1999，10，12： | 1 |
| 14 | Kinetics of acetate metabolism during sludge digestion 显示文摘 | Paul H Smith Robert A Mah | 1966 | Applied Microbiology1966，14，3： | 1 |
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